Merge ssh://master.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86

* ssh://master.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86: (35 commits)
x86: Add HPET force support for MCP55 (nForce 5) chipsets
x86: Force enable HPET for CK804 (nForce 4) chipsets
x86: clean up setup.h and the boot code
x86: Save registers in saved_context during suspend and hibernation
x86: merge setup_32/64.h
x86: merge signal_32/64.h
x86: merge required-features.h
x86: merge sigcontext_32/64.h
x86: merge msr_32/64.h
x86: merge mttr_32/64.h
x86: merge statfs_32/64.h
x86: merge stat_32/64.h
x86: merge shmbuf_32/64.h
x86: merge ptrace_32/64.h
x86: merge msgbuf_32/64.h
x86: merge elf_32/64.h
x86: merge byteorder_32/64.h
x86: whitespace cleanup of mce_64.c
x86: consolidate the cpu/ related code usage
x86: prepare consolidation of cpu/ related code usage
...

Documentation/kernel-parameters.txt

···
 	hpet=		[X86-32,HPET] option to control HPET usage
 			Format: { enable (default) | disable | force }
 			disable: disable HPET and use PIT instead
-			force: allow force enabled of undocumented chips (ICH4, VIA)
+			force: allow force enabled of undocumented chips (ICH4,
+			VIA, nVidia)
 
 	com20020=	[HW,NET] ARCnet - COM20020 chipset
 			Format:

arch/i386/Kconfig

···
 
 source "fs/Kconfig"
 
+source "kernel/Kconfig.instrumentation"
+
 source "arch/i386/Kconfig.debug"
 
 source "security/Kconfig"

arch/i386/Makefile

···
 # Fill in SRCARCH
 SRCARCH	:= x86
 
+# BITS is used as extension for files which are available in a 32 bit
+# and a 64 bit version to simplify shared Makefiles.
+# e.g.: obj-y += foo_$(BITS).o
+BITS := 32
+export BITS
+
 HAS_BIARCH      := $(call cc-option-yn, -m32)
 ifeq ($(HAS_BIARCH),y)
 AS              := $(AS) --32

arch/x86/boot/boot.h

···
 #include <linux/types.h>
 #include <linux/edd.h>
 #include <asm/boot.h>
-#include <asm/bootparam.h>
+#include <asm/setup.h>
 
 /* Useful macros */
 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))

arch/x86/boot/compressed/relocs.c

···
 
 static int is_safe_abs_reloc(const char* sym_name)
 {
-	int i, array_size;
+	int i;
 
-	array_size = sizeof(safe_abs_relocs)/sizeof(char*);
-
-	for(i = 0; i < array_size; i++) {
+	for(i = 0; i < ARRAY_SIZE(safe_abs_relocs); i++) {
 		if (!strcmp(sym_name, safe_abs_relocs[i]))
 			/* Match found */
 			return 1;

arch/x86/boot/main.c

···
  * screws up the old-style command line protocol, adjust by
  * filling in the new-style command line pointer instead.
  */
-#define OLD_CL_MAGIC	0xA33F
-#define OLD_CL_ADDRESS	0x20
 
 static void copy_boot_params(void)
 {

arch/x86/crypto/Makefile

···
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/crypto/Makefile_32
-else
-include ${srctree}/arch/x86/crypto/Makefile_64
-endif
+#
+# Arch-specific CryptoAPI modules.
+#
+
+obj-$(CONFIG_CRYPTO_AES_586) += aes-i586.o
+obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
+
+obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
+obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
+
+aes-i586-y := aes-i586-asm_32.o aes_32.o
+twofish-i586-y := twofish-i586-asm_32.o twofish_32.o
+
+aes-x86_64-y := aes-x86_64-asm_64.o aes_64.o
+twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_64.o

arch/x86/crypto/Makefile_32

···
-# 
-# x86/crypto/Makefile 
-# 
-# Arch-specific CryptoAPI modules.
-# 
-
-obj-$(CONFIG_CRYPTO_AES_586) += aes-i586.o
-obj-$(CONFIG_CRYPTO_TWOFISH_586) += twofish-i586.o
-
-aes-i586-y := aes-i586-asm_32.o aes_32.o
-twofish-i586-y := twofish-i586-asm_32.o twofish_32.o
-

arch/x86/crypto/Makefile_64

···
-# 
-# x86/crypto/Makefile 
-# 
-# Arch-specific CryptoAPI modules.
-# 
-
-obj-$(CONFIG_CRYPTO_AES_X86_64) += aes-x86_64.o
-obj-$(CONFIG_CRYPTO_TWOFISH_X86_64) += twofish-x86_64.o
-
-aes-x86_64-y := aes-x86_64-asm_64.o aes_64.o
-twofish-x86_64-y := twofish-x86_64-asm_64.o twofish_64.o
-

arch/x86/kernel/Makefile_32

···
 obj-$(CONFIG_X86_LOCAL_APIC)	+= apic_32.o nmi_32.o
 obj-$(CONFIG_X86_IO_APIC)	+= io_apic_32.o
 obj-$(CONFIG_X86_REBOOTFIXUPS)	+= reboot_fixups_32.o
-obj-$(CONFIG_KEXEC)		+= machine_kexec_32.o relocate_kernel_32.o crash_32.o
+obj-$(CONFIG_KEXEC)		+= machine_kexec_32.o relocate_kernel_32.o crash.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump_32.o
 obj-$(CONFIG_X86_NUMAQ)		+= numaq_32.o
 obj-$(CONFIG_X86_SUMMIT_NUMA)	+= summit_32.o

arch/x86/kernel/Makefile_64

···
 		x8664_ksyms_64.o i387_64.o syscall_64.o vsyscall_64.o \
 		setup64.o bootflag.o e820_64.o reboot_64.o quirks.o i8237.o \
 		pci-dma_64.o pci-nommu_64.o alternative.o hpet.o tsc_64.o bugs_64.o \
-		perfctr-watchdog.o i8253.o
+		i8253.o
 
 obj-$(CONFIG_STACKTRACE)	+= stacktrace.o
-obj-$(CONFIG_X86_MCE)		+= mce_64.o therm_throt.o
-obj-$(CONFIG_X86_MCE_INTEL)	+= mce_intel_64.o
-obj-$(CONFIG_X86_MCE_AMD)	+= mce_amd_64.o
-obj-$(CONFIG_MTRR)		+= cpu/mtrr/
-obj-$(CONFIG_ACPI)		+= acpi/
+obj-y				+= cpu/
+obj-y				+= acpi/
 obj-$(CONFIG_X86_MSR)		+= msr.o
 obj-$(CONFIG_MICROCODE)		+= microcode.o
 obj-$(CONFIG_X86_CPUID)		+= cpuid.o
 obj-$(CONFIG_SMP)		+= smp_64.o smpboot_64.o trampoline_64.o tsc_sync.o
 obj-y				+= apic_64.o  nmi_64.o
 obj-y				+= io_apic_64.o mpparse_64.o genapic_64.o genapic_flat_64.o
-obj-$(CONFIG_KEXEC)		+= machine_kexec_64.o relocate_kernel_64.o crash_64.o
+obj-$(CONFIG_KEXEC)		+= machine_kexec_64.o relocate_kernel_64.o crash.o
 obj-$(CONFIG_CRASH_DUMP)	+= crash_dump_64.o
 obj-$(CONFIG_PM)		+= suspend_64.o
 obj-$(CONFIG_HIBERNATION)	+= suspend_asm_64.o
-obj-$(CONFIG_CPU_FREQ)		+= cpu/cpufreq/
 obj-$(CONFIG_EARLY_PRINTK)	+= early_printk.o
 obj-$(CONFIG_IOMMU)		+= pci-gart_64.o aperture_64.o
 obj-$(CONFIG_CALGARY_IOMMU)	+= pci-calgary_64.o tce_64.o
···
 obj-$(CONFIG_PCI)		+= early-quirks.o
 
 obj-y				+= topology.o
-obj-y				+= intel_cacheinfo.o
-obj-y				+= addon_cpuid_features.o
 obj-y				+= pcspeaker.o
 
 CFLAGS_vsyscall_64.o		:= $(PROFILING) -g0
-
-therm_throt-y                   += cpu/mcheck/therm_throt.o
-intel_cacheinfo-y		+= cpu/intel_cacheinfo.o
-addon_cpuid_features-y		+= cpu/addon_cpuid_features.o
-perfctr-watchdog-y		+= cpu/perfctr-watchdog.o

arch/x86/kernel/acpi/Makefile

···
-ifeq ($(CONFIG_X86_32),y)
-include ${srctree}/arch/x86/kernel/acpi/Makefile_32
-else
-include ${srctree}/arch/x86/kernel/acpi/Makefile_64
+obj-$(CONFIG_ACPI)		+= boot.o
+obj-$(CONFIG_ACPI_SLEEP)	+= sleep_$(BITS).o wakeup_$(BITS).o
+
+ifneq ($(CONFIG_ACPI_PROCESSOR),)
+obj-y				+= cstate.o processor.o
 endif
+

arch/x86/kernel/acpi/Makefile_32

···
-obj-$(CONFIG_ACPI)		+= boot.o
-obj-$(CONFIG_ACPI_SLEEP)	+= sleep_32.o wakeup_32.o
-
-ifneq ($(CONFIG_ACPI_PROCESSOR),)
-obj-y				+= cstate.o processor.o
-endif
-

arch/x86/kernel/acpi/Makefile_64

···
-obj-y			:= boot.o
-obj-$(CONFIG_ACPI_SLEEP)	+= sleep_64.o wakeup_64.o
-
-ifneq ($(CONFIG_ACPI_PROCESSOR),)
-obj-y			+= processor.o cstate.o
-endif
-

arch/x86/kernel/acpi/wakeup_64.S

···
 #include <asm/pgtable.h>
 #include <asm/page.h>
 #include <asm/msr.h>
+#include <asm/asm-offsets.h>
 
 # Copyright 2003 Pavel Machek <[e-mail]>, distribute under GPLv2
 #
···
 	xorl	%eax, %eax
 	call	save_processor_state
 
-	movq %rsp, saved_context_esp(%rip)
-	movq %rax, saved_context_eax(%rip)
-	movq %rbx, saved_context_ebx(%rip)
-	movq %rcx, saved_context_ecx(%rip)
-	movq %rdx, saved_context_edx(%rip)
-	movq %rbp, saved_context_ebp(%rip)
-	movq %rsi, saved_context_esi(%rip)
-	movq %rdi, saved_context_edi(%rip)
-	movq %r8,  saved_context_r08(%rip)
-	movq %r9,  saved_context_r09(%rip)
-	movq %r10, saved_context_r10(%rip)
-	movq %r11, saved_context_r11(%rip)
-	movq %r12, saved_context_r12(%rip)
-	movq %r13, saved_context_r13(%rip)
-	movq %r14, saved_context_r14(%rip)
-	movq %r15, saved_context_r15(%rip)
-	pushfq ; popq saved_context_eflags(%rip)
+	movq	$saved_context, %rax
+	movq	%rsp, pt_regs_rsp(%rax)
+	movq	%rbp, pt_regs_rbp(%rax)
+	movq	%rsi, pt_regs_rsi(%rax)
+	movq	%rdi, pt_regs_rdi(%rax)
+	movq	%rbx, pt_regs_rbx(%rax)
+	movq	%rcx, pt_regs_rcx(%rax)
+	movq	%rdx, pt_regs_rdx(%rax)
+	movq	%r8, pt_regs_r8(%rax)
+	movq	%r9, pt_regs_r9(%rax)
+	movq	%r10, pt_regs_r10(%rax)
+	movq	%r11, pt_regs_r11(%rax)
+	movq	%r12, pt_regs_r12(%rax)
+	movq	%r13, pt_regs_r13(%rax)
+	movq	%r14, pt_regs_r14(%rax)
+	movq	%r15, pt_regs_r15(%rax)
+	pushfq
+	popq	pt_regs_eflags(%rax)
 
 	movq	$.L97, saved_rip(%rip)
 
-	movq %rsp,saved_rsp
-	movq %rbp,saved_rbp
-	movq %rbx,saved_rbx
-	movq %rdi,saved_rdi
-	movq %rsi,saved_rsi
+	movq	%rsp, saved_rsp
+	movq	%rbp, saved_rbp
+	movq	%rbx, saved_rbx
+	movq	%rdi, saved_rdi
+	movq	%rsi, saved_rsi
 
 	addq	$8, %rsp
 	movl	$3, %edi
···
 .L99:
 	.align 4
 	movl	$24, %eax
-	movw %ax, %ds
-	movq	saved_context+58(%rip), %rax
-	movq %rax, %cr4
-	movq	saved_context+50(%rip), %rax
-	movq %rax, %cr3
-	movq	saved_context+42(%rip), %rax
-	movq %rax, %cr2
-	movq	saved_context+34(%rip), %rax
-	movq %rax, %cr0
-	pushq saved_context_eflags(%rip) ; popfq
-	movq saved_context_esp(%rip), %rsp
-	movq saved_context_ebp(%rip), %rbp
-	movq saved_context_eax(%rip), %rax
-	movq saved_context_ebx(%rip), %rbx
-	movq saved_context_ecx(%rip), %rcx
-	movq saved_context_edx(%rip), %rdx
-	movq saved_context_esi(%rip), %rsi
-	movq saved_context_edi(%rip), %rdi
-	movq saved_context_r08(%rip), %r8
-	movq saved_context_r09(%rip), %r9
-	movq saved_context_r10(%rip), %r10
-	movq saved_context_r11(%rip), %r11
-	movq saved_context_r12(%rip), %r12
-	movq saved_context_r13(%rip), %r13
-	movq saved_context_r14(%rip), %r14
-	movq saved_context_r15(%rip), %r15
+	movw	%ax, %ds
+
+	/* We don't restore %rax, it must be 0 anyway */
+	movq	$saved_context, %rax
+	movq	saved_context_cr4(%rax), %rbx
+	movq	%rbx, %cr4
+	movq	saved_context_cr3(%rax), %rbx
+	movq	%rbx, %cr3
+	movq	saved_context_cr2(%rax), %rbx
+	movq	%rbx, %cr2
+	movq	saved_context_cr0(%rax), %rbx
+	movq	%rbx, %cr0
+	pushq	pt_regs_eflags(%rax)
+	popfq
+	movq	pt_regs_rsp(%rax), %rsp
+	movq	pt_regs_rbp(%rax), %rbp
+	movq	pt_regs_rsi(%rax), %rsi
+	movq	pt_regs_rdi(%rax), %rdi
+	movq	pt_regs_rbx(%rax), %rbx
+	movq	pt_regs_rcx(%rax), %rcx
+	movq	pt_regs_rdx(%rax), %rdx
+	movq	pt_regs_r8(%rax), %r8
+	movq	pt_regs_r9(%rax), %r9
+	movq	pt_regs_r10(%rax), %r10
+	movq	pt_regs_r11(%rax), %r11
+	movq	pt_regs_r12(%rax), %r12
+	movq	pt_regs_r13(%rax), %r13
+	movq	pt_regs_r14(%rax), %r14
+	movq	pt_regs_r15(%rax), %r15
 
 	xorl	%eax, %eax
 	addq	$8, %rsp

arch/x86/kernel/apic_64.c

···
 	apic_write(APIC_SPIV, value);
 }
 
+void lapic_shutdown(void)
+{
+	unsigned long flags;
+
+	if (!cpu_has_apic)
+		return;
+
+	local_irq_save(flags);
+
+	disable_local_APIC();
+
+	local_irq_restore(flags);
+}
+
 /*
  * This is to verify that we're looking at a real local APIC.
  * Check these against your board if the CPUs aren't getting

arch/x86/kernel/asm-offsets_64.c

···
 	DEFINE(pbe_orig_address, offsetof(struct pbe, orig_address));
 	DEFINE(pbe_next, offsetof(struct pbe, next));
 	BLANK();
+#define ENTRY(entry) DEFINE(pt_regs_ ## entry, offsetof(struct pt_regs, entry))
+	ENTRY(rbx);
+	ENTRY(rbx);
+	ENTRY(rcx);
+	ENTRY(rdx);
+	ENTRY(rsp);
+	ENTRY(rbp);
+	ENTRY(rsi);
+	ENTRY(rdi);
+	ENTRY(r8);
+	ENTRY(r9);
+	ENTRY(r10);
+	ENTRY(r11);
+	ENTRY(r12);
+	ENTRY(r13);
+	ENTRY(r14);
+	ENTRY(r15);
+	ENTRY(eflags);
+	BLANK();
+#undef ENTRY
+#define ENTRY(entry) DEFINE(saved_context_ ## entry, offsetof(struct saved_context, entry))
+	ENTRY(cr0);
+	ENTRY(cr2);
+	ENTRY(cr3);
+	ENTRY(cr4);
+	ENTRY(cr8);
+	BLANK();
+#undef ENTRY
 	DEFINE(TSS_ist, offsetof(struct tss_struct, ist));
 	BLANK();
 	DEFINE(crypto_tfm_ctx_offset, offsetof(struct crypto_tfm, __crt_ctx));

arch/x86/kernel/cpu/Makefile

···
 # Makefile for x86-compatible CPU details and quirks
 #
 
-obj-y	:=	common.o proc.o bugs.o
+obj-y			:= intel_cacheinfo.o addon_cpuid_features.o
 
-obj-y	+=	amd.o
-obj-y	+=	cyrix.o
-obj-y	+=	centaur.o
-obj-y	+=	transmeta.o
-obj-y	+=	intel.o intel_cacheinfo.o addon_cpuid_features.o
-obj-y	+=	nexgen.o
-obj-y	+=	umc.o
+obj-$(CONFIG_X86_32)	+= common.o proc.o bugs.o
+obj-$(CONFIG_X86_32)	+= amd.o
+obj-$(CONFIG_X86_32)	+= cyrix.o
+obj-$(CONFIG_X86_32)	+= centaur.o
+obj-$(CONFIG_X86_32)	+= transmeta.o
+obj-$(CONFIG_X86_32)	+= intel.o
+obj-$(CONFIG_X86_32)	+= nexgen.o
+obj-$(CONFIG_X86_32)	+= umc.o
 
-obj-$(CONFIG_X86_MCE)	+=	mcheck/
-
-obj-$(CONFIG_MTRR)	+= 	mtrr/
-obj-$(CONFIG_CPU_FREQ)	+=	cpufreq/
+obj-$(CONFIG_X86_MCE)	+= mcheck/
+obj-$(CONFIG_MTRR)	+= mtrr/
+obj-$(CONFIG_CPU_FREQ)	+= cpufreq/
 
 obj-$(CONFIG_X86_LOCAL_APIC) += perfctr-watchdog.o

arch/x86/kernel/cpu/mcheck/Makefile

···
-obj-y	=	mce.o k7.o p4.o p5.o p6.o winchip.o therm_throt.o
-obj-$(CONFIG_X86_MCE_NONFATAL)	+=	non-fatal.o
+obj-y				=  mce_$(BITS).o therm_throt.o
+
+obj-$(CONFIG_X86_32)		+= k7.o p4.o p5.o p6.o winchip.o
+obj-$(CONFIG_X86_MCE_INTEL)	+= mce_intel_64.o
+obj-$(CONFIG_X86_MCE_AMD)	+= mce_amd_64.o
+obj-$(CONFIG_X86_MCE_NONFATAL)	+= non-fatal.o

arch/x86/kernel/crash_32.c

···
-/*
- * Architecture specific (i386) functions for kexec based crash dumps.
- *
- * Created by: Hariprasad Nellitheertha ([e-mail])
- *
- * Copyright (C) IBM Corporation, 2004. All rights reserved.
- *
- */
-
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/kernel.h>
-#include <linux/smp.h>
-#include <linux/reboot.h>
-#include <linux/kexec.h>
-#include <linux/delay.h>
-#include <linux/elf.h>
-#include <linux/elfcore.h>
-
-#include <asm/processor.h>
-#include <asm/hardirq.h>
-#include <asm/nmi.h>
-#include <asm/hw_irq.h>
-#include <asm/apic.h>
-#include <linux/kdebug.h>
-#include <asm/smp.h>
-
-#include <mach_ipi.h>
-
-
-/* This keeps a track of which one is crashing cpu. */
-static int crashing_cpu;
-
-#if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC)
-static atomic_t waiting_for_crash_ipi;
-
-static int crash_nmi_callback(struct notifier_block *self,
-			unsigned long val, void *data)
-{
-	struct pt_regs *regs;
-	struct pt_regs fixed_regs;
-	int cpu;
-
-	if (val != DIE_NMI_IPI)
-		return NOTIFY_OK;
-
-	regs = ((struct die_args *)data)->regs;
-	cpu = raw_smp_processor_id();
-
-	/* Don't do anything if this handler is invoked on crashing cpu.
-	 * Otherwise, system will completely hang. Crashing cpu can get
-	 * an NMI if system was initially booted with nmi_watchdog parameter.
-	 */
-	if (cpu == crashing_cpu)
-		return NOTIFY_STOP;
-	local_irq_disable();
-
-	if (!user_mode_vm(regs)) {
-		crash_fixup_ss_esp(&fixed_regs, regs);
-		regs = &fixed_regs;
-	}
-	crash_save_cpu(regs, cpu);
-	disable_local_APIC();
-	atomic_dec(&waiting_for_crash_ipi);
-	/* Assume hlt works */
-	halt();
-	for (;;)
-		cpu_relax();
-
-	return 1;
-}
-
-static void smp_send_nmi_allbutself(void)
-{
-	cpumask_t mask = cpu_online_map;
-	cpu_clear(safe_smp_processor_id(), mask);
-	if (!cpus_empty(mask))
-		send_IPI_mask(mask, NMI_VECTOR);
-}
-
-static struct notifier_block crash_nmi_nb = {
-	.notifier_call = crash_nmi_callback,
-};
-
-static void nmi_shootdown_cpus(void)
-{
-	unsigned long msecs;
-
-	atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
-	/* Would it be better to replace the trap vector here? */
-	if (register_die_notifier(&crash_nmi_nb))
-		return;		/* return what? */
-	/* Ensure the new callback function is set before sending
-	 * out the NMI
-	 */
-	wmb();
-
-	smp_send_nmi_allbutself();
-
-	msecs = 1000; /* Wait at most a second for the other cpus to stop */
-	while ((atomic_read(&waiting_for_crash_ipi) > 0) && msecs) {
-		mdelay(1);
-		msecs--;
-	}
-
-	/* Leave the nmi callback set */
-	disable_local_APIC();
-}
-#else
-static void nmi_shootdown_cpus(void)
-{
-	/* There are no cpus to shootdown */
-}
-#endif
-
-void machine_crash_shutdown(struct pt_regs *regs)
-{
-	/* This function is only called after the system
-	 * has panicked or is otherwise in a critical state.
-	 * The minimum amount of code to allow a kexec'd kernel
-	 * to run successfully needs to happen here.
-	 *
-	 * In practice this means shooting down the other cpus in
-	 * an SMP system.
-	 */
-	/* The kernel is broken so disable interrupts */
-	local_irq_disable();
-
-	/* Make a note of crashing cpu. Will be used in NMI callback.*/
-	crashing_cpu = safe_smp_processor_id();
-	nmi_shootdown_cpus();
-	lapic_shutdown();
-#if defined(CONFIG_X86_IO_APIC)
-	disable_IO_APIC();
-#endif
-	crash_save_cpu(regs, safe_smp_processor_id());
-}

arch/x86/kernel/crash_64.c arch/x86/kernel/crash.c

···
 /*
- * Architecture specific (x86_64) functions for kexec based crash dumps.
+ * Architecture specific (i386/x86_64) functions for kexec based crash dumps.
  *
  * Created by: Hariprasad Nellitheertha ([e-mail])
  *
···
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/smp.h>
-#include <linux/irq.h>
 #include <linux/reboot.h>
 #include <linux/kexec.h>
 #include <linux/delay.h>
 #include <linux/elf.h>
 #include <linux/elfcore.h>
-#include <linux/kdebug.h>
 
 #include <asm/processor.h>
 #include <asm/hardirq.h>
 #include <asm/nmi.h>
 #include <asm/hw_irq.h>
+#include <asm/apic.h>
+#include <linux/kdebug.h>
+#include <asm/smp.h>
+
+#ifdef X86_32
+#include <mach_ipi.h>
+#else
 #include <asm/mach_apic.h>
+#endif
 
 /* This keeps a track of which one is crashing cpu. */
 static int crashing_cpu;
 
-#ifdef CONFIG_SMP
+#if defined(CONFIG_SMP) && defined(CONFIG_X86_LOCAL_APIC)
 static atomic_t waiting_for_crash_ipi;
 
 static int crash_nmi_callback(struct notifier_block *self,
-				unsigned long val, void *data)
+			unsigned long val, void *data)
 {
 	struct pt_regs *regs;
+#ifdef X86_32
+	struct pt_regs fixed_regs;
+#endif
 	int cpu;
 
 	if (val != DIE_NMI_IPI)
···
 	regs = ((struct die_args *)data)->regs;
 	cpu = raw_smp_processor_id();
 
-	/*
-	 * Don't do anything if this handler is invoked on crashing cpu.
+	/* Don't do anything if this handler is invoked on crashing cpu.
 	 * Otherwise, system will completely hang. Crashing cpu can get
 	 * an NMI if system was initially booted with nmi_watchdog parameter.
 	 */
···
 		return NOTIFY_STOP;
 	local_irq_disable();
 
+#ifdef X86_32
+	if (!user_mode_vm(regs)) {
+		crash_fixup_ss_esp(&fixed_regs, regs);
+		regs = &fixed_regs;
+	}
+#endif
 	crash_save_cpu(regs, cpu);
 	disable_local_APIC();
 	atomic_dec(&waiting_for_crash_ipi);
 	/* Assume hlt works */
-	for(;;)
-		halt();
+	halt();
+	for (;;)
+		cpu_relax();
 
 	return 1;
 }
 
 static void smp_send_nmi_allbutself(void)
 {
-	send_IPI_allbutself(NMI_VECTOR);
+	cpumask_t mask = cpu_online_map;
+	cpu_clear(safe_smp_processor_id(), mask);
+	if (!cpus_empty(mask))
+		send_IPI_mask(mask, NMI_VECTOR);
 }
-
-/*
- * This code is a best effort heuristic to get the
- * other cpus to stop executing. So races with
- * cpu hotplug shouldn't matter.
- */
 
 static struct notifier_block crash_nmi_nb = {
 	.notifier_call = crash_nmi_callback,
···
 	unsigned long msecs;
 
 	atomic_set(&waiting_for_crash_ipi, num_online_cpus() - 1);
+	/* Would it be better to replace the trap vector here? */
 	if (register_die_notifier(&crash_nmi_nb))
-		return;         /* return what? */
-
-	/*
-	 * Ensure the new callback function is set before sending
+		return;		/* return what? */
+	/* Ensure the new callback function is set before sending
 	 * out the NMI
 	 */
 	wmb();
···
 		mdelay(1);
 		msecs--;
 	}
+
 	/* Leave the nmi callback set */
 	disable_local_APIC();
 }
···
 
 void machine_crash_shutdown(struct pt_regs *regs)
 {
-	/*
-	 * This function is only called after the system
+	/* This function is only called after the system
 	 * has panicked or is otherwise in a critical state.
 	 * The minimum amount of code to allow a kexec'd kernel
 	 * to run successfully needs to happen here.
···
 	local_irq_disable();
 
 	/* Make a note of crashing cpu. Will be used in NMI callback.*/
-	crashing_cpu = smp_processor_id();
+	crashing_cpu = safe_smp_processor_id();
 	nmi_shootdown_cpus();
-
-	if(cpu_has_apic)
-		 disable_local_APIC();
-
+	lapic_shutdown();
+#if defined(CONFIG_X86_IO_APIC)
 	disable_IO_APIC();
-
-	crash_save_cpu(regs, smp_processor_id());
+#endif
+	crash_save_cpu(regs, safe_smp_processor_id());
 }

arch/x86/kernel/head_32.S

···
 	movsl
 	movl boot_params - __PAGE_OFFSET + NEW_CL_POINTER,%esi
 	andl %esi,%esi
-	jnz 2f			# New command line protocol
-	cmpw $(OLD_CL_MAGIC),OLD_CL_MAGIC_ADDR
-	jne 1f
-	movzwl OLD_CL_OFFSET,%esi
-	addl $(OLD_CL_BASE_ADDR),%esi
-2:
+	jz 1f			# No comand line
 	movl $(boot_command_line - __PAGE_OFFSET),%edi
 	movl $(COMMAND_LINE_SIZE/4),%ecx
 	rep

arch/x86/kernel/mce_64.c arch/x86/kernel/cpu/mcheck/mce_64.c

···
 /*
  * Machine check handler.
  * K8 parts Copyright 2002,2003 Andi Kleen, SuSE Labs.
- * Rest from unknown author(s). 
- * 2004 Andi Kleen. Rewrote most of it. 
+ * Rest from unknown author(s).
+ * 2004 Andi Kleen. Rewrote most of it.
  */
 
 #include <linux/init.h>
···
 #include <linux/ctype.h>
 #include <linux/kmod.h>
 #include <linux/kdebug.h>
-#include <asm/processor.h> 
+#include <asm/processor.h>
 #include <asm/msr.h>
 #include <asm/mce.h>
 #include <asm/uaccess.h>
···
  * separate MCEs from kernel messages to avoid bogus bug reports.
  */
 
-struct mce_log mcelog = { 
+struct mce_log mcelog = {
 	MCE_LOG_SIGNATURE,
 	MCE_LOG_LEN,
-}; 
+};
 
 void mce_log(struct mce *mce)
 {
···
 	       "CPU %d: Machine Check Exception: %16Lx Bank %d: %016Lx\n",
 	       m->cpu, m->mcgstatus, m->bank, m->status);
 	if (m->rip) {
-		printk(KERN_EMERG 
-		       "RIP%s %02x:<%016Lx> ",
+		printk(KERN_EMERG "RIP%s %02x:<%016Lx> ",
 		       !(m->mcgstatus & MCG_STATUS_EIPV) ? " !INEXACT!" : "",
 		       m->cs, m->rip);
 		if (m->cs == __KERNEL_CS)
 			print_symbol("{%s}", m->rip);
 		printk("\n");
 	}
-	printk(KERN_EMERG "TSC %Lx ", m->tsc); 
+	printk(KERN_EMERG "TSC %Lx ", m->tsc);
 	if (m->addr)
 		printk("ADDR %Lx ", m->addr);
 	if (m->misc)
-		printk("MISC %Lx ", m->misc); 	
+		printk("MISC %Lx ", m->misc);
 	printk("\n");
 	printk(KERN_EMERG "This is not a software problem!\n");
-        printk(KERN_EMERG
-    "Run through mcelog --ascii to decode and contact your hardware vendor\n");
+	printk(KERN_EMERG "Run through mcelog --ascii to decode "
+	       "and contact your hardware vendor\n");
 }
 
 static void mce_panic(char *msg, struct mce *backup, unsigned long start)
-{ 
+{
 	int i;
 
 	oops_begin();
 	for (i = 0; i < MCE_LOG_LEN; i++) {
 		unsigned long tsc = mcelog.entry[i].tsc;
+
 		if (time_before(tsc, start))
 			continue;
-		print_mce(&mcelog.entry[i]); 
+		print_mce(&mcelog.entry[i]);
 		if (backup && mcelog.entry[i].tsc == backup->tsc)
 			backup = NULL;
 	}
 	if (backup)
 		print_mce(backup);
 	panic(msg);
-} 
+}
 
 static int mce_available(struct cpuinfo_x86 *c)
 {
···
 	}
 }
 
-/* 
+/*
  * The actual machine check handler
  */
-
 void do_machine_check(struct pt_regs * regs, long error_code)
 {
 	struct mce m, panicm;
···
 	atomic_inc(&mce_entry);
 
 	if (regs)
-		notify_die(DIE_NMI, "machine check", regs, error_code, 18, SIGKILL);
+		notify_die(DIE_NMI, "machine check", regs, error_code, 18,
+			   SIGKILL);
 	if (!banks)
 		goto out2;
 
···
 	/* if the restart IP is not valid, we're done for */
 	if (!(m.mcgstatus & MCG_STATUS_RIPV))
 		no_way_out = 1;
-	
+
 	rdtscll(mcestart);
 	barrier();
 
 	for (i = 0; i < banks; i++) {
 		if (!bank[i])
 			continue;
-		
-		m.misc = 0; 
+
+		m.misc = 0;
 		m.addr = 0;
 		m.bank = i;
 		m.tsc = 0;
···
 	if (mce_notify_user()) {
 		next_interval = max(next_interval/2, HZ/100);
 	} else {
-		next_interval = min(next_interval*2,
+		next_interval = min(next_interval * 2,
 				(int)round_jiffies_relative(check_interval*HZ));
 	}
 
···
 };
 
 static __init int periodic_mcheck_init(void)
-{ 
+{
 	next_interval = check_interval * HZ;
 	if (next_interval)
 		schedule_delayed_work(&mcheck_work,
 				      round_jiffies_relative(next_interval));
 	idle_notifier_register(&mce_idle_notifier);
 	return 0;
-} 
+}
 __initcall(periodic_mcheck_init);
 
 
-/* 
+/*
  * Initialize Machine Checks for a CPU.
  */
 static void mce_init(void *dummy)
···
 
 	rdmsrl(MSR_IA32_MCG_CAP, cap);
 	banks = cap & 0xff;
-	if (banks > NR_BANKS) { 
+	if (banks > NR_BANKS) {
 		printk(KERN_INFO "MCE: warning: using only %d banks\n", banks);
-		banks = NR_BANKS; 
+		banks = NR_BANKS;
 	}
 	/* Use accurate RIP reporting if available. */
 	if ((cap & (1<<9)) && ((cap >> 16) & 0xff) >= 9)
···
 	for (i = 0; i < banks; i++) {
 		wrmsrl(MSR_IA32_MC0_CTL+4*i, bank[i]);
 		wrmsrl(MSR_IA32_MC0_STATUS+4*i, 0);
-	}	
+	}
 }
 
 /* Add per CPU specific workarounds here */
 static void __cpuinit mce_cpu_quirks(struct cpuinfo_x86 *c)
-{ 
+{
 	/* This should be disabled by the BIOS, but isn't always */
 	if (c->x86_vendor == X86_VENDOR_AMD && c->x86 == 15) {
-		/* disable GART TBL walk error reporting, which trips off 
+		/* disable GART TBL walk error reporting, which trips off
 		   incorrectly with the IOMMU & 3ware & Cerberus. */
 		clear_bit(10, &bank[4]);
 		/* Lots of broken BIOS around that don't clear them
···
 		mce_bootlog = 0;
 	}
 
-}			
+}
 
 static void __cpuinit mce_cpu_features(struct cpuinfo_x86 *c)
 {
···
 	}
 }
 
-/* 
+/*
  * Called for each booted CPU to set up machine checks.
- * Must be called with preempt off. 
+ * Must be called with preempt off.
  */
 void __cpuinit mcheck_init(struct cpuinfo_x86 *c)
 {
 	static cpumask_t mce_cpus = CPU_MASK_NONE;
 
-	mce_cpu_quirks(c); 
+	mce_cpu_quirks(c);
 
 	if (mce_dont_init ||
 	    cpu_test_and_set(smp_processor_id(), mce_cpus) ||
···
 	return 0;
 }
 
-static void collect_tscs(void *data) 
-{ 
+static void collect_tscs(void *data)
+{
 	unsigned long *cpu_tsc = (unsigned long *)data;
-	rdtscll(cpu_tsc[smp_processor_id()]);
-} 
 
-static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize, loff_t *off)
+	rdtscll(cpu_tsc[smp_processor_id()]);
+}
+
+static ssize_t mce_read(struct file *filp, char __user *ubuf, size_t usize,
+			loff_t *off)
 {
 	unsigned long *cpu_tsc;
 	static DECLARE_MUTEX(mce_read_sem);
···
 	if (!cpu_tsc)
 		return -ENOMEM;
 
-	down(&mce_read_sem); 
+	down(&mce_read_sem);
 	next = rcu_dereference(mcelog.next);
 
 	/* Only supports full reads right now */
-	if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) { 
+	if (*off != 0 || usize < MCE_LOG_LEN*sizeof(struct mce)) {
 		up(&mce_read_sem);
 		kfree(cpu_tsc);
 		return -EINVAL;
 	}
 
 	err = 0;
-	for (i = 0; i < next; i++) {		
+	for (i = 0; i < next; i++) {
 		unsigned long start = jiffies;
+
 		while (!mcelog.entry[i].finished) {
 			if (time_after_eq(jiffies, start + 2)) {
 				memset(mcelog.entry + i,0, sizeof(struct mce));
···
 		}
 		smp_rmb();
 		err |= copy_to_user(buf, mcelog.entry + i, sizeof(struct mce));
-		buf += sizeof(struct mce); 
+		buf += sizeof(struct mce);
  timeout:
 		;
-	} 
+	}
 
 	memset(mcelog.entry, 0, next * sizeof(struct mce));
 	mcelog.next = 0;
 
 	synchronize_sched();
 
-	/* Collect entries that were still getting written before the synchronize. */
-
+	/*
+	 * Collect entries that were still getting written before the
+	 * synchronize.
+	 */
 	on_each_cpu(collect_tscs, cpu_tsc, 1, 1);
-	for (i = next; i < MCE_LOG_LEN; i++) { 
-		if (mcelog.entry[i].finished && 
-		    mcelog.entry[i].tsc < cpu_tsc[mcelog.entry[i].cpu]) {  
-			err |= copy_to_user(buf, mcelog.entry+i, sizeof(struct mce));
+	for (i = next; i < MCE_LOG_LEN; i++) {
+		if (mcelog.entry[i].finished &&
+		    mcelog.entry[i].tsc < cpu_tsc[mcelog.entry[i].cpu]) {
+			err |= copy_to_user(buf, mcelog.entry+i,
+					    sizeof(struct mce));
 			smp_rmb();
 			buf += sizeof(struct mce);
 			memset(&mcelog.entry[i], 0, sizeof(struct mce));
 		}
-	} 	
+	}
 	up(&mce_read_sem);
 	kfree(cpu_tsc);
-	return err ? -EFAULT : buf - ubuf; 
+	return err ? -EFAULT : buf - ubuf;
 }
 
 static unsigned int mce_poll(struct file *file, poll_table *wait)
···
 	return 0;
 }
 
-static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd, unsigned long arg)
+static int mce_ioctl(struct inode *i, struct file *f,unsigned int cmd,
+		     unsigned long arg)
 {
 	int __user *p = (int __user *)arg;
+
 	if (!capable(CAP_SYS_ADMIN))
-		return -EPERM; 
+		return -EPERM;
 	switch (cmd) {
-	case MCE_GET_RECORD_LEN: 
+	case MCE_GET_RECORD_LEN:
 		return put_user(sizeof(struct mce), p);
 	case MCE_GET_LOG_LEN:
-		return put_user(MCE_LOG_LEN, p);		
+		return put_user(MCE_LOG_LEN, p);
 	case MCE_GETCLEAR_FLAGS: {
 		unsigned flags;
-		do { 
+
+		do {
 			flags = mcelog.flags;
-		} while (cmpxchg(&mcelog.flags, flags, 0) != flags); 
-		return put_user(flags, p); 
+		} while (cmpxchg(&mcelog.flags, flags, 0) != flags);
+		return put_user(flags, p);
 	}
 	default:
-		return -ENOTTY; 
-	} 
+		return -ENOTTY;
+	}
 }
 
 static const struct file_operations mce_chrdev_ops = {
···
 		set_in_cr4(X86_CR4_MCE);
 }
 
-/* 
- * Old style boot options parsing. Only for compatibility. 
+/*
+ * Old style boot options parsing. Only for compatibility.
  */
-
 static int __init mcheck_disable(char *str)
 {
 	mce_dont_init = 1;
···
 	else if (isdigit(str[0]))
 		get_option(&str, &tolerant);
 	else
-		printk("mce= argument %s ignored. Please use /sys", str); 
+		printk("mce= argument %s ignored. Please use /sys", str);
 	return 1;
 }
 
 __setup("nomce", mcheck_disable);
 __setup("mce=", mcheck_enable);
 
-/* 
+/*
  * Sysfs support
- */ 
+ */
 
 /* On resume clear all MCE state. Don't want to see leftovers from the BIOS.
    Only one CPU is active at this time, the others get readded later using
···
 }
 
 /* Reinit MCEs after user configuration changes */
-static void mce_restart(void) 
-{ 
+static void mce_restart(void)
+{
 	if (next_interval)
 		cancel_delayed_work(&mcheck_work);
 	/* Timer race is harmless here */
-	on_each_cpu(mce_init, NULL, 1, 1);       
+	on_each_cpu(mce_init, NULL, 1, 1);
 	next_interval = check_interval * HZ;
 	if (next_interval)
 		schedule_delayed_work(&mcheck_work,
···
 
 /* Why are there no generic functions for this? */
 #define ACCESSOR(name, var, start) \
-	static ssize_t show_ ## name(struct sys_device *s, char *buf) { 	   	   \
-		return sprintf(buf, "%lx\n", (unsigned long)var);		   \
-	} 									   \
+	static ssize_t show_ ## name(struct sys_device *s, char *buf) {	\
+		return sprintf(buf, "%lx\n", (unsigned long)var);	\
+	}								\
 	static ssize_t set_ ## name(struct sys_device *s,const char *buf,size_t siz) { \
-		char *end; 							   \
-		unsigned long new = simple_strtoul(buf, &end, 0); 		   \
-		if (end == buf) return -EINVAL;					   \
-		var = new;							   \
-		start; 								   \
-		return end-buf;		     					   \
-	}									   \
+		char *end;						\
+		unsigned long new = simple_strtoul(buf, &end, 0);	\
+		if (end == buf) return -EINVAL;				\
+		var = new;						\
+		start;							\
+		return end-buf;						\
+	}								\
 	static SYSDEV_ATTR(name, 0644, show_ ## name, set_ ## name);
 
 /* TBD should generate these dynamically based on number of available banks */

arch/x86/kernel/quirks.c

···
 	NONE_FORCE_HPET_RESUME,
 	OLD_ICH_FORCE_HPET_RESUME,
 	ICH_FORCE_HPET_RESUME,
-	VT8237_FORCE_HPET_RESUME
+	VT8237_FORCE_HPET_RESUME,
+	NVIDIA_FORCE_HPET_RESUME,
 } force_hpet_resume_type;
 
 static void __iomem *rcba_base;
···
 DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8237,
 			 vt8237_force_enable_hpet);
 
+/*
+ * Undocumented chipset feature taken from LinuxBIOS.
+ */
+static void nvidia_force_hpet_resume(void)
+{
+	pci_write_config_dword(cached_dev, 0x44, 0xfed00001);
+	printk(KERN_DEBUG "Force enabled HPET at resume\n");
+}
+
+static void nvidia_force_enable_hpet(struct pci_dev *dev)
+{
+	u32 uninitialized_var(val);
+
+	if (!hpet_force_user || hpet_address || force_hpet_address)
+		return;
+
+	pci_write_config_dword(dev, 0x44, 0xfed00001);
+	pci_read_config_dword(dev, 0x44, &val);
+	force_hpet_address = val & 0xfffffffe;
+	force_hpet_resume_type = NVIDIA_FORCE_HPET_RESUME;
+	printk(KERN_DEBUG "Force enabled HPET at base address 0x%lx\n",
+		force_hpet_address);
+	cached_dev = dev;
+	return;
+}
+
+/* ISA Bridges */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0050,
+			nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0051,
+			nvidia_force_enable_hpet);
+
+/* LPC bridges */
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0360,
+			nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0361,
+			nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0362,
+			nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0363,
+			nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0364,
+			nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0365,
+			nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0366,
+			nvidia_force_enable_hpet);
+DECLARE_PCI_FIXUP_HEADER(PCI_VENDOR_ID_NVIDIA, 0x0367,
+			nvidia_force_enable_hpet);
 
 void force_hpet_resume(void)
 {
···
 
 	    case VT8237_FORCE_HPET_RESUME:
 		return vt8237_force_hpet_resume();
+
+	    case NVIDIA_FORCE_HPET_RESUME:
+		return nvidia_force_hpet_resume();
 
 	    default:
 		break;

arch/x86/kernel/smpboot_64.c

···
 
 	printk(KERN_INFO "Inquiring remote APIC #%d...\n", apicid);
 
-	for (i = 0; i < sizeof(regs) / sizeof(*regs); i++) {
+	for (i = 0; i < ARRAY_SIZE(regs); i++) {
 		printk("... APIC #%d %s: ", apicid, names[i]);
 
 		/*

arch/x86/kernel/suspend_64.c

···
 
 struct saved_context saved_context;
 
-unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx;
-unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi;
-unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11;
-unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15;
-unsigned long saved_context_eflags;
-
 void __save_processor_state(struct saved_context *ctxt)
 {
 	kernel_fpu_begin();

arch/x86/kernel/suspend_asm_64.S

···
 #include <asm/asm-offsets.h>
 
 ENTRY(swsusp_arch_suspend)
-
-	movq %rsp, saved_context_esp(%rip)
-	movq %rax, saved_context_eax(%rip)
-	movq %rbx, saved_context_ebx(%rip)
-	movq %rcx, saved_context_ecx(%rip)
-	movq %rdx, saved_context_edx(%rip)
-	movq %rbp, saved_context_ebp(%rip)
-	movq %rsi, saved_context_esi(%rip)
-	movq %rdi, saved_context_edi(%rip)
-	movq %r8,  saved_context_r08(%rip)
-	movq %r9,  saved_context_r09(%rip)
-	movq %r10, saved_context_r10(%rip)
-	movq %r11, saved_context_r11(%rip)
-	movq %r12, saved_context_r12(%rip)
-	movq %r13, saved_context_r13(%rip)
-	movq %r14, saved_context_r14(%rip)
-	movq %r15, saved_context_r15(%rip)
-	pushfq ; popq saved_context_eflags(%rip)
+	movq	$saved_context, %rax
+	movq	%rsp, pt_regs_rsp(%rax)
+	movq	%rbp, pt_regs_rbp(%rax)
+	movq	%rsi, pt_regs_rsi(%rax)
+	movq	%rdi, pt_regs_rdi(%rax)
+	movq	%rbx, pt_regs_rbx(%rax)
+	movq	%rcx, pt_regs_rcx(%rax)
+	movq	%rdx, pt_regs_rdx(%rax)
+	movq	%r8, pt_regs_r8(%rax)
+	movq	%r9, pt_regs_r9(%rax)
+	movq	%r10, pt_regs_r10(%rax)
+	movq	%r11, pt_regs_r11(%rax)
+	movq	%r12, pt_regs_r12(%rax)
+	movq	%r13, pt_regs_r13(%rax)
+	movq	%r14, pt_regs_r14(%rax)
+	movq	%r15, pt_regs_r15(%rax)
+	pushfq
+	popq	pt_regs_eflags(%rax)
 
 	/* save the address of restore_registers */
 	movq	$restore_registers, %rax
···
 	movq	%rcx, %cr3
 	movq	%rax, %cr4;  # turn PGE back on
 
-	movq saved_context_esp(%rip), %rsp
-	movq saved_context_ebp(%rip), %rbp
-	/* restore GPRs (we don't restore %rax, it must be 0 anyway) */
-	movq saved_context_ebx(%rip), %rbx
-	movq saved_context_ecx(%rip), %rcx
-	movq saved_context_edx(%rip), %rdx
-	movq saved_context_esi(%rip), %rsi
-	movq saved_context_edi(%rip), %rdi
-	movq saved_context_r08(%rip), %r8
-	movq saved_context_r09(%rip), %r9
-	movq saved_context_r10(%rip), %r10
-	movq saved_context_r11(%rip), %r11
-	movq saved_context_r12(%rip), %r12
-	movq saved_context_r13(%rip), %r13
-	movq saved_context_r14(%rip), %r14
-	movq saved_context_r15(%rip), %r15
-	pushq saved_context_eflags(%rip) ; popfq
+	/* We don't restore %rax, it must be 0 anyway */
+	movq	$saved_context, %rax
+	movq	pt_regs_rsp(%rax), %rsp
+	movq	pt_regs_rbp(%rax), %rbp
+	movq	pt_regs_rsi(%rax), %rsi
+	movq	pt_regs_rdi(%rax), %rdi
+	movq	pt_regs_rbx(%rax), %rbx
+	movq	pt_regs_rcx(%rax), %rcx
+	movq	pt_regs_rdx(%rax), %rdx
+	movq	pt_regs_r8(%rax), %r8
+	movq	pt_regs_r9(%rax), %r9
+	movq	pt_regs_r10(%rax), %r10
+	movq	pt_regs_r11(%rax), %r11
+	movq	pt_regs_r12(%rax), %r12
+	movq	pt_regs_r13(%rax), %r13
+	movq	pt_regs_r14(%rax), %r14
+	movq	pt_regs_r15(%rax), %r15
+	pushq	pt_regs_eflags(%rax)
+	popfq
 
 	xorq	%rax, %rax
 

arch/x86/kernel/tsc_32.c

···
 {
 	unsigned long long start, end;
 	unsigned long count;
-	u64 delta64;
+	u64 delta64 = (u64)ULLONG_MAX;
 	int i;
 	unsigned long flags;
 
 	local_irq_save(flags);
 
-	/* run 3 times to ensure the cache is warm */
+	/* run 3 times to ensure the cache is warm and to get an accurate reading */
 	for (i = 0; i < 3; i++) {
 		mach_prepare_counter();
 		rdtscll(start);
 		mach_countup(&count);
 		rdtscll(end);
+
+		/*
+		 * Error: ECTCNEVERSET
+		 * The CTC wasn't reliable: we got a hit on the very first read,
+		 * or the CPU was so fast/slow that the quotient wouldn't fit in
+		 * 32 bits..
+		 */
+		if (count <= 1)
+			continue;
+
+		/* cpu freq too slow: */
+		if ((end - start) <= CALIBRATE_TIME_MSEC)
+			continue;
+
+		/*
+		 * We want the minimum time of all runs in case one of them
+		 * is inaccurate due to SMI or other delay
+		 */
+		delta64 = min(delta64, (end - start));
 	}
-	/*
-	 * Error: ECTCNEVERSET
-	 * The CTC wasn't reliable: we got a hit on the very first read,
-	 * or the CPU was so fast/slow that the quotient wouldn't fit in
-	 * 32 bits..
-	 */
-	if (count <= 1)
-		goto err;
 
-	delta64 = end - start;
-
-	/* cpu freq too fast: */
+	/* cpu freq too fast (or every run was bad): */
 	if (delta64 > (1ULL<<32))
-		goto err;
-
-	/* cpu freq too slow: */
-	if (delta64 <= CALIBRATE_TIME_MSEC)
 		goto err;
 
 	delta64 += CALIBRATE_TIME_MSEC/2; /* round for do_div */

arch/x86/oprofile/Kconfig

···
-config PROFILING
-	bool "Profiling support (EXPERIMENTAL)"
-	help
-	  Say Y here to enable the extended profiling support mechanisms used
-	  by profilers such as OProfile.
-	  
-
-config OPROFILE
-	tristate "OProfile system profiling (EXPERIMENTAL)"
-	depends on PROFILING
-	help
-	  OProfile is a profiling system capable of profiling the
-	  whole system, include the kernel, kernel modules, libraries,
-	  and applications.
-
-	  If unsure, say N.
-

arch/x86_64/Kconfig

···
 
 source fs/Kconfig
 
+source "kernel/Kconfig.instrumentation"
+
 source "arch/x86_64/Kconfig.debug"
 
 source "security/Kconfig"

arch/x86_64/Makefile

···
 # Fill in SRCARCH
 SRCARCH	:= x86
 
+# BITS is used as extension for files which are available in a 32 bit
+# and a 64 bit version to simplify shared Makefiles.
+# e.g.: obj-y += foo_$(BITS).o
+BITS := 64
+export BITS
+
 LDFLAGS		:= -m elf_x86_64
 OBJCOPYFLAGS	:= -O binary -R .note -R .comment -S
 LDFLAGS_vmlinux :=

include/asm-x86/Kbuild

···
 header-y += ucontext.h
 header-y += vsyscall32.h
 
-unifdef-y += a.out_32.h
-unifdef-y += a.out_64.h
-unifdef-y += byteorder_32.h
-unifdef-y += byteorder_64.h
 unifdef-y += e820.h
-unifdef-y += elf_32.h
-unifdef-y += elf_64.h
 unifdef-y += ist.h
 unifdef-y += mce.h
-unifdef-y += msgbuf_32.h
-unifdef-y += msgbuf_64.h
-unifdef-y += msr_32.h
-unifdef-y += msr_64.h
 unifdef-y += msr.h
-unifdef-y += mtrr_32.h
-unifdef-y += mtrr_64.h
 unifdef-y += mtrr.h
 unifdef-y += page_32.h
 unifdef-y += page_64.h
 unifdef-y += posix_types_32.h
 unifdef-y += posix_types_64.h
-unifdef-y += ptrace_32.h
-unifdef-y += ptrace_64.h
-unifdef-y += setup_32.h
-unifdef-y += setup_64.h
-unifdef-y += shmbuf_32.h
-unifdef-y += shmbuf_64.h
-unifdef-y += sigcontext_32.h
-unifdef-y += sigcontext_64.h
-unifdef-y += signal_32.h
-unifdef-y += signal_64.h
-unifdef-y += stat_32.h
-unifdef-y += stat_64.h
-unifdef-y += statfs_32.h
-unifdef-y += statfs_64.h
+unifdef-y += ptrace.h
 unifdef-y += unistd_32.h
 unifdef-y += unistd_64.h
 unifdef-y += user_32.h

include/asm-x86/a.out.h

···
+#ifndef _ASM_X86_A_OUT_H
+#define _ASM_X86_A_OUT_H
+
+struct exec
+{
+	unsigned int a_info;	/* Use macros N_MAGIC, etc for access */
+	unsigned a_text;	/* length of text, in bytes */
+	unsigned a_data;	/* length of data, in bytes */
+	unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
+	unsigned a_syms;	/* length of symbol table data in file, in bytes */
+	unsigned a_entry;	/* start address */
+	unsigned a_trsize;	/* length of relocation info for text, in bytes */
+	unsigned a_drsize;	/* length of relocation info for data, in bytes */
+};
+
+#define N_TRSIZE(a)	((a).a_trsize)
+#define N_DRSIZE(a)	((a).a_drsize)
+#define N_SYMSIZE(a)	((a).a_syms)
+
 #ifdef __KERNEL__
+# include <linux/thread_info.h>
+# define STACK_TOP	TASK_SIZE
 # ifdef CONFIG_X86_32
-#  include "a.out_32.h"
+#  define STACK_TOP_MAX	STACK_TOP
 # else
-#  include "a.out_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "a.out_32.h"
-# else
-#  include "a.out_64.h"
+#  define STACK_TOP_MAX	TASK_SIZE64
 # endif
 #endif
+
+#endif /* _ASM_X86_A_OUT_H */

include/asm-x86/a.out_32.h

···
-#ifndef __I386_A_OUT_H__
-#define __I386_A_OUT_H__
-
-struct exec
-{
-  unsigned long a_info;		/* Use macros N_MAGIC, etc for access */
-  unsigned a_text;		/* length of text, in bytes */
-  unsigned a_data;		/* length of data, in bytes */
-  unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
-  unsigned a_syms;		/* length of symbol table data in file, in bytes */
-  unsigned a_entry;		/* start address */
-  unsigned a_trsize;		/* length of relocation info for text, in bytes */
-  unsigned a_drsize;		/* length of relocation info for data, in bytes */
-};
-
-#define N_TRSIZE(a)	((a).a_trsize)
-#define N_DRSIZE(a)	((a).a_drsize)
-#define N_SYMSIZE(a)	((a).a_syms)
-
-#ifdef __KERNEL__
-
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	STACK_TOP
-
-#endif
-
-#endif /* __A_OUT_GNU_H__ */

include/asm-x86/a.out_64.h

···
-#ifndef __X8664_A_OUT_H__
-#define __X8664_A_OUT_H__
-
-/* 32bit a.out */
-
-struct exec
-{
-  unsigned int a_info;		/* Use macros N_MAGIC, etc for access */
-  unsigned a_text;		/* length of text, in bytes */
-  unsigned a_data;		/* length of data, in bytes */
-  unsigned a_bss;		/* length of uninitialized data area for file, in bytes */
-  unsigned a_syms;		/* length of symbol table data in file, in bytes */
-  unsigned a_entry;		/* start address */
-  unsigned a_trsize;		/* length of relocation info for text, in bytes */
-  unsigned a_drsize;		/* length of relocation info for data, in bytes */
-};
-
-#define N_TRSIZE(a)	((a).a_trsize)
-#define N_DRSIZE(a)	((a).a_drsize)
-#define N_SYMSIZE(a)	((a).a_syms)
-
-#ifdef __KERNEL__
-#include <linux/thread_info.h>
-#define STACK_TOP	TASK_SIZE
-#define STACK_TOP_MAX	TASK_SIZE64
-#endif
-
-#endif /* __A_OUT_GNU_H__ */

include/asm-x86/apic_64.h

···
 extern void connect_bsp_APIC (void);
 extern void disconnect_bsp_APIC (int virt_wire_setup);
 extern void disable_local_APIC (void);
+extern void lapic_shutdown (void);
 extern int verify_local_APIC (void);
 extern void cache_APIC_registers (void);
 extern void sync_Arb_IDs (void);

include/asm-x86/bitops_32.h

···
 		:"Ir" (nr));
 }
 
+/*
+ * clear_bit_unlock - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit() is atomic and implies release semantics before the memory
+ * operation. It can be used for an unlock.
+ */
+static inline void clear_bit_unlock(unsigned long nr, volatile unsigned long *addr)
+{
+	barrier();
+	clear_bit(nr, addr);
+}
+
 static inline void __clear_bit(int nr, volatile unsigned long * addr)
 {
 	__asm__ __volatile__(
···
 		:"+m" (ADDR)
 		:"Ir" (nr));
 }
+
+/*
+ * __clear_bit_unlock - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * __clear_bit() is non-atomic and implies release semantics before the memory
+ * operation. It can be used for an unlock if no other CPUs can concurrently
+ * modify other bits in the word.
+ *
+ * No memory barrier is required here, because x86 cannot reorder stores past
+ * older loads. Same principle as spin_unlock.
+ */
+static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long *addr)
+{
+	barrier();
+	__clear_bit(nr, addr);
+}
+
 #define smp_mb__before_clear_bit()	barrier()
 #define smp_mb__after_clear_bit()	barrier()
 
···
 		:"Ir" (nr) : "memory");
 	return oldbit;
 }
+
+/**
+ * test_and_set_bit_lock - Set a bit and return its old value for lock
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This is the same as test_and_set_bit on x86
+ */
+#define test_and_set_bit_lock test_and_set_bit
 
 /**
  * __test_and_set_bit - Set a bit and return its old value
···
 }
 
 #include <asm-generic/bitops/hweight.h>
-#include <asm-generic/bitops/lock.h>
 
 #endif /* __KERNEL__ */
 

include/asm-x86/bitops_64.h

···
 		:"dIr" (nr));
 }
 
+/*
+ * clear_bit_unlock - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * clear_bit() is atomic and implies release semantics before the memory
+ * operation. It can be used for an unlock.
+ */
+static inline void clear_bit_unlock(unsigned long nr, volatile unsigned long *addr)
+{
+	barrier();
+	clear_bit(nr, addr);
+}
+
 static __inline__ void __clear_bit(int nr, volatile void * addr)
 {
 	__asm__ __volatile__(
 		"btrl %1,%0"
 		:ADDR
 		:"dIr" (nr));
+}
+
+/*
+ * __clear_bit_unlock - Clears a bit in memory
+ * @nr: Bit to clear
+ * @addr: Address to start counting from
+ *
+ * __clear_bit() is non-atomic and implies release semantics before the memory
+ * operation. It can be used for an unlock if no other CPUs can concurrently
+ * modify other bits in the word.
+ *
+ * No memory barrier is required here, because x86 cannot reorder stores past
+ * older loads. Same principle as spin_unlock.
+ */
+static inline void __clear_bit_unlock(unsigned long nr, volatile unsigned long *addr)
+{
+	barrier();
+	__clear_bit(nr, addr);
 }
 
 #define smp_mb__before_clear_bit()	barrier()
···
 		:"dIr" (nr) : "memory");
 	return oldbit;
 }
+
+/**
+ * test_and_set_bit_lock - Set a bit and return its old value for lock
+ * @nr: Bit to set
+ * @addr: Address to count from
+ *
+ * This is the same as test_and_set_bit on x86
+ */
+#define test_and_set_bit_lock test_and_set_bit
 
 /**
  * __test_and_set_bit - Set a bit and return its old value
···
 #define ARCH_HAS_FAST_MULTIPLIER 1
 
 #include <asm-generic/bitops/hweight.h>
-#include <asm-generic/bitops/lock.h>
 
 #endif /* __KERNEL__ */
 

include/asm-x86/byteorder.h

···
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "byteorder_32.h"
-# else
-#  include "byteorder_64.h"
-# endif
+#ifndef _ASM_X86_BYTEORDER_H
+#define _ASM_X86_BYTEORDER_H
+
+#include <asm/types.h>
+#include <linux/compiler.h>
+
+#ifdef __GNUC__
+
+#ifdef __i386__
+
+static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+{
+#ifdef CONFIG_X86_BSWAP
+	__asm__("bswap %0" : "=r" (x) : "0" (x));
 #else
-# ifdef __i386__
-#  include "byteorder_32.h"
-# else
-#  include "byteorder_64.h"
-# endif
+	__asm__("xchgb %b0,%h0\n\t"	/* swap lower bytes	*/
+		"rorl $16,%0\n\t"	/* swap words		*/
+		"xchgb %b0,%h0"		/* swap higher bytes	*/
+		:"=q" (x)
+		: "0" (x));
 #endif
+	return x;
+}
+
+static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val)
+{
+	union {
+		struct { __u32 a,b; } s;
+		__u64 u;
+	} v;
+	v.u = val;
+#ifdef CONFIG_X86_BSWAP
+	asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1"
+	    : "=r" (v.s.a), "=r" (v.s.b)
+	    : "0" (v.s.a), "1" (v.s.b));
+#else
+	v.s.a = ___arch__swab32(v.s.a);
+	v.s.b = ___arch__swab32(v.s.b);
+	asm("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b));
+#endif
+	return v.u;
+}
+
+#else /* __i386__ */
+
+static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
+{
+	__asm__("bswapq %0" : "=r" (x) : "0" (x));
+	return x;
+}
+
+static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
+{
+	__asm__("bswapl %0" : "=r" (x) : "0" (x));
+	return x;
+}
+
+#endif
+
+/* Do not define swab16.  Gcc is smart enough to recognize "C" version and
+   convert it into rotation or exhange.  */
+
+#define __arch__swab64(x) ___arch__swab64(x)
+#define __arch__swab32(x) ___arch__swab32(x)
+
+#define __BYTEORDER_HAS_U64__
+
+#endif /* __GNUC__ */
+
+#include <linux/byteorder/little_endian.h>
+
+#endif /* _ASM_X86_BYTEORDER_H */

include/asm-x86/byteorder_32.h

···
-#ifndef _I386_BYTEORDER_H
-#define _I386_BYTEORDER_H
-
-#include <asm/types.h>
-#include <linux/compiler.h>
-
-#ifdef __GNUC__
-
-/* For avoiding bswap on i386 */
-#ifdef __KERNEL__
-#endif
-
-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
-{
-#ifdef CONFIG_X86_BSWAP
-	__asm__("bswap %0" : "=r" (x) : "0" (x));
-#else
-	__asm__("xchgb %b0,%h0\n\t"	/* swap lower bytes	*/
-		"rorl $16,%0\n\t"	/* swap words		*/
-		"xchgb %b0,%h0"		/* swap higher bytes	*/
-		:"=q" (x)
-		: "0" (x));
-#endif
-	return x;
-}
-
-static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 val)
-{ 
-	union { 
-		struct { __u32 a,b; } s;
-		__u64 u;
-	} v;
-	v.u = val;
-#ifdef CONFIG_X86_BSWAP
-	asm("bswapl %0 ; bswapl %1 ; xchgl %0,%1" 
-	    : "=r" (v.s.a), "=r" (v.s.b) 
-	    : "0" (v.s.a), "1" (v.s.b)); 
-#else
-   v.s.a = ___arch__swab32(v.s.a); 
-	v.s.b = ___arch__swab32(v.s.b); 
-	asm("xchgl %0,%1" : "=r" (v.s.a), "=r" (v.s.b) : "0" (v.s.a), "1" (v.s.b));
-#endif
-	return v.u;	
-} 
-
-/* Do not define swab16.  Gcc is smart enough to recognize "C" version and
-   convert it into rotation or exhange.  */
-
-#define __arch__swab64(x) ___arch__swab64(x)
-#define __arch__swab32(x) ___arch__swab32(x)
-
-#define __BYTEORDER_HAS_U64__
-
-#endif /* __GNUC__ */
-
-#include <linux/byteorder/little_endian.h>
-
-#endif /* _I386_BYTEORDER_H */

include/asm-x86/byteorder_64.h

···
-#ifndef _X86_64_BYTEORDER_H
-#define _X86_64_BYTEORDER_H
-
-#include <asm/types.h>
-#include <linux/compiler.h>
-
-#ifdef __GNUC__
-
-static __inline__ __attribute_const__ __u64 ___arch__swab64(__u64 x)
-{
-	__asm__("bswapq %0" : "=r" (x) : "0" (x));
-	return x;
-}
-
-static __inline__ __attribute_const__ __u32 ___arch__swab32(__u32 x)
-{
-	__asm__("bswapl %0" : "=r" (x) : "0" (x));
-	return x;
-}
-
-/* Do not define swab16.  Gcc is smart enough to recognize "C" version and
-   convert it into rotation or exhange.  */
-
-#define __arch__swab32(x) ___arch__swab32(x)
-#define __arch__swab64(x) ___arch__swab64(x)
-
-#endif /* __GNUC__ */
-
-#define __BYTEORDER_HAS_U64__
-
-#include <linux/byteorder/little_endian.h>
-
-#endif /* _X86_64_BYTEORDER_H */

include/asm-x86/div64.h

···
+#ifndef _ASM_X86_DIV64_H
+#define _ASM_X86_DIV64_H
+
 #ifdef CONFIG_X86_32
-# include "div64_32.h"
+
+#include <linux/types.h>
+
+/*
+ * do_div() is NOT a C function. It wants to return
+ * two values (the quotient and the remainder), but
+ * since that doesn't work very well in C, what it
+ * does is:
+ *
+ * - modifies the 64-bit dividend _in_place_
+ * - returns the 32-bit remainder
+ *
+ * This ends up being the most efficient "calling
+ * convention" on x86.
+ */
+#define do_div(n,base) ({ \
+	unsigned long __upper, __low, __high, __mod, __base; \
+	__base = (base); \
+	asm("":"=a" (__low), "=d" (__high):"A" (n)); \
+	__upper = __high; \
+	if (__high) { \
+		__upper = __high % (__base); \
+		__high = __high / (__base); \
+	} \
+	asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (__base), "0" (__low), "1" (__upper)); \
+	asm("":"=A" (n):"a" (__low),"d" (__high)); \
+	__mod; \
+})
+
+/*
+ * (long)X = ((long long)divs) / (long)div
+ * (long)rem = ((long long)divs) % (long)div
+ *
+ * Warning, this will do an exception if X overflows.
+ */
+#define div_long_long_rem(a,b,c) div_ll_X_l_rem(a,b,c)
+
+static inline long
+div_ll_X_l_rem(long long divs, long div, long *rem)
+{
+	long dum2;
+      __asm__("divl %2":"=a"(dum2), "=d"(*rem)
+      :	"rm"(div), "A"(divs));
+
+	return dum2;
+
+}
+
+extern uint64_t div64_64(uint64_t dividend, uint64_t divisor);
+
 #else
-# include "div64_64.h"
-#endif
+# include <asm-generic/div64.h>
+#endif /* CONFIG_X86_32 */
+
+#endif /* _ASM_X86_DIV64_H */

include/asm-x86/div64_32.h

···
-#ifndef __I386_DIV64
-#define __I386_DIV64
-
-#include <linux/types.h>
-
-/*
- * do_div() is NOT a C function. It wants to return
- * two values (the quotient and the remainder), but
- * since that doesn't work very well in C, what it
- * does is:
- *
- * - modifies the 64-bit dividend _in_place_
- * - returns the 32-bit remainder
- *
- * This ends up being the most efficient "calling
- * convention" on x86.
- */
-#define do_div(n,base) ({ \
-	unsigned long __upper, __low, __high, __mod, __base; \
-	__base = (base); \
-	asm("":"=a" (__low), "=d" (__high):"A" (n)); \
-	__upper = __high; \
-	if (__high) { \
-		__upper = __high % (__base); \
-		__high = __high / (__base); \
-	} \
-	asm("divl %2":"=a" (__low), "=d" (__mod):"rm" (__base), "0" (__low), "1" (__upper)); \
-	asm("":"=A" (n):"a" (__low),"d" (__high)); \
-	__mod; \
-})
-
-/*
- * (long)X = ((long long)divs) / (long)div
- * (long)rem = ((long long)divs) % (long)div
- *
- * Warning, this will do an exception if X overflows.
- */
-#define div_long_long_rem(a,b,c) div_ll_X_l_rem(a,b,c)
-
-static inline long
-div_ll_X_l_rem(long long divs, long div, long *rem)
-{
-	long dum2;
-      __asm__("divl %2":"=a"(dum2), "=d"(*rem)
-      :	"rm"(div), "A"(divs));
-
-	return dum2;
-
-}
-
-extern uint64_t div64_64(uint64_t dividend, uint64_t divisor);
-#endif

include/asm-x86/div64_64.h

···
-#include <asm-generic/div64.h>

include/asm-x86/elf.h

···
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "elf_32.h"
-# else
-#  include "elf_64.h"
-# endif
+#ifndef _ASM_X86_ELF_H
+#define _ASM_X86_ELF_H
+
+/*
+ * ELF register definitions..
+ */
+
+#include <asm/ptrace.h>
+#include <asm/user.h>
+#include <asm/auxvec.h>
+
+typedef unsigned long elf_greg_t;
+
+#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
+typedef elf_greg_t elf_gregset_t[ELF_NGREG];
+
+typedef struct user_i387_struct elf_fpregset_t;
+
+#ifdef __i386__
+
+typedef struct user_fxsr_struct elf_fpxregset_t;
+
+#define R_386_NONE	0
+#define R_386_32	1
+#define R_386_PC32	2
+#define R_386_GOT32	3
+#define R_386_PLT32	4
+#define R_386_COPY	5
+#define R_386_GLOB_DAT	6
+#define R_386_JMP_SLOT	7
+#define R_386_RELATIVE	8
+#define R_386_GOTOFF	9
+#define R_386_GOTPC	10
+#define R_386_NUM	11
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS32
+#define ELF_DATA	ELFDATA2LSB
+#define ELF_ARCH	EM_386
+
 #else
-# ifdef __i386__
-#  include "elf_32.h"
-# else
-#  include "elf_64.h"
-# endif
+
+/* x86-64 relocation types */
+#define R_X86_64_NONE		0	/* No reloc */
+#define R_X86_64_64		1	/* Direct 64 bit  */
+#define R_X86_64_PC32		2	/* PC relative 32 bit signed */
+#define R_X86_64_GOT32		3	/* 32 bit GOT entry */
+#define R_X86_64_PLT32		4	/* 32 bit PLT address */
+#define R_X86_64_COPY		5	/* Copy symbol at runtime */
+#define R_X86_64_GLOB_DAT	6	/* Create GOT entry */
+#define R_X86_64_JUMP_SLOT	7	/* Create PLT entry */
+#define R_X86_64_RELATIVE	8	/* Adjust by program base */
+#define R_X86_64_GOTPCREL	9	/* 32 bit signed pc relative
+					   offset to GOT */
+#define R_X86_64_32		10	/* Direct 32 bit zero extended */
+#define R_X86_64_32S		11	/* Direct 32 bit sign extended */
+#define R_X86_64_16		12	/* Direct 16 bit zero extended */
+#define R_X86_64_PC16		13	/* 16 bit sign extended pc relative */
+#define R_X86_64_8		14	/* Direct 8 bit sign extended  */
+#define R_X86_64_PC8		15	/* 8 bit sign extended pc relative */
+
+#define R_X86_64_NUM		16
+
+/*
+ * These are used to set parameters in the core dumps.
+ */
+#define ELF_CLASS	ELFCLASS64
+#define ELF_DATA	ELFDATA2LSB
+#define ELF_ARCH	EM_X86_64
+
+#endif
+
+#ifdef __KERNEL__
+
+#ifdef CONFIG_X86_32
+#include <asm/processor.h>
+#include <asm/system.h>		/* for savesegment */
+#include <asm/desc.h>
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+	(((x)->e_machine == EM_386) || ((x)->e_machine == EM_486))
+
+/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
+   contains a pointer to a function which might be registered using `atexit'.
+   This provides a mean for the dynamic linker to call DT_FINI functions for
+   shared libraries that have been loaded before the code runs.
+
+   A value of 0 tells we have no such handler.
+
+   We might as well make sure everything else is cleared too (except for %esp),
+   just to make things more deterministic.
+ */
+#define ELF_PLAT_INIT(_r, load_addr)	do { \
+	_r->ebx = 0; _r->ecx = 0; _r->edx = 0; \
+	_r->esi = 0; _r->edi = 0; _r->ebp = 0; \
+	_r->eax = 0; \
+} while (0)
+
+/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
+   now struct_user_regs, they are different) */
+
+#define ELF_CORE_COPY_REGS(pr_reg, regs)		\
+	pr_reg[0] = regs->ebx;				\
+	pr_reg[1] = regs->ecx;				\
+	pr_reg[2] = regs->edx;				\
+	pr_reg[3] = regs->esi;				\
+	pr_reg[4] = regs->edi;				\
+	pr_reg[5] = regs->ebp;				\
+	pr_reg[6] = regs->eax;				\
+	pr_reg[7] = regs->xds & 0xffff;			\
+	pr_reg[8] = regs->xes & 0xffff;			\
+	pr_reg[9] = regs->xfs & 0xffff;			\
+	savesegment(gs,pr_reg[10]);			\
+	pr_reg[11] = regs->orig_eax;			\
+	pr_reg[12] = regs->eip;				\
+	pr_reg[13] = regs->xcs & 0xffff;		\
+	pr_reg[14] = regs->eflags;			\
+	pr_reg[15] = regs->esp;				\
+	pr_reg[16] = regs->xss & 0xffff;
+
+#define ELF_PLATFORM	(utsname()->machine)
+#define set_personality_64bit()	do { } while (0)
+extern unsigned int vdso_enabled;
+
+#else /* CONFIG_X86_32 */
+
+#include <asm/processor.h>
+
+/*
+ * This is used to ensure we don't load something for the wrong architecture.
+ */
+#define elf_check_arch(x) \
+	((x)->e_machine == EM_X86_64)
+
+#define ELF_PLAT_INIT(_r, load_addr)	do {		  \
+	struct task_struct *cur = current;		  \
+	(_r)->rbx = 0; (_r)->rcx = 0; (_r)->rdx = 0;	  \
+	(_r)->rsi = 0; (_r)->rdi = 0; (_r)->rbp = 0;	  \
+	(_r)->rax = 0;					  \
+	(_r)->r8 = 0;					  \
+	(_r)->r9 = 0;					  \
+	(_r)->r10 = 0;					  \
+	(_r)->r11 = 0;					  \
+	(_r)->r12 = 0;					  \
+	(_r)->r13 = 0;					  \
+	(_r)->r14 = 0;					  \
+	(_r)->r15 = 0;					  \
+	cur->thread.fs = 0; cur->thread.gs = 0;		  \
+	cur->thread.fsindex = 0; cur->thread.gsindex = 0; \
+	cur->thread.ds = 0; cur->thread.es = 0;		  \
+	clear_thread_flag(TIF_IA32);			  \
+} while (0)
+
+/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
+   now struct_user_regs, they are different). Assumes current is the process
+   getting dumped. */
+
+#define ELF_CORE_COPY_REGS(pr_reg, regs)  do {			\
+	unsigned v;						\
+	(pr_reg)[0] = (regs)->r15;				\
+	(pr_reg)[1] = (regs)->r14;				\
+	(pr_reg)[2] = (regs)->r13;				\
+	(pr_reg)[3] = (regs)->r12;				\
+	(pr_reg)[4] = (regs)->rbp;				\
+	(pr_reg)[5] = (regs)->rbx;				\
+	(pr_reg)[6] = (regs)->r11;				\
+	(pr_reg)[7] = (regs)->r10;				\
+	(pr_reg)[8] = (regs)->r9;				\
+	(pr_reg)[9] = (regs)->r8;				\
+	(pr_reg)[10] = (regs)->rax;				\
+	(pr_reg)[11] = (regs)->rcx;				\
+	(pr_reg)[12] = (regs)->rdx;				\
+	(pr_reg)[13] = (regs)->rsi;				\
+	(pr_reg)[14] = (regs)->rdi;				\
+	(pr_reg)[15] = (regs)->orig_rax;			\
+	(pr_reg)[16] = (regs)->rip;				\
+	(pr_reg)[17] = (regs)->cs;				\
+	(pr_reg)[18] = (regs)->eflags;				\
+	(pr_reg)[19] = (regs)->rsp;				\
+	(pr_reg)[20] = (regs)->ss;				\
+	(pr_reg)[21] = current->thread.fs;			\
+	(pr_reg)[22] = current->thread.gs;			\
+	asm("movl %%ds,%0" : "=r" (v)); (pr_reg)[23] = v;	\
+	asm("movl %%es,%0" : "=r" (v)); (pr_reg)[24] = v;	\
+	asm("movl %%fs,%0" : "=r" (v)); (pr_reg)[25] = v;	\
+	asm("movl %%gs,%0" : "=r" (v)); (pr_reg)[26] = v;	\
+} while(0);
+
+/* I'm not sure if we can use '-' here */
+#define ELF_PLATFORM       ("x86_64")
+extern void set_personality_64bit(void);
+extern int vdso_enabled;
+
+#endif /* !CONFIG_X86_32 */
+
+#define USE_ELF_CORE_DUMP
+#define ELF_EXEC_PAGESIZE	4096
+
+/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
+   use of this is to invoke "./ld.so someprog" to test out a new version of
+   the loader.  We need to make sure that it is out of the way of the program
+   that it will "exec", and that there is sufficient room for the brk.  */
+
+#define ELF_ET_DYN_BASE		(TASK_SIZE / 3 * 2)
+
+/* This yields a mask that user programs can use to figure out what
+   instruction set this CPU supports.  This could be done in user space,
+   but it's not easy, and we've already done it here.  */
+
+#define ELF_HWCAP		(boot_cpu_data.x86_capability[0])
+
+/* This yields a string that ld.so will use to load implementation
+   specific libraries for optimization.  This is more specific in
+   intent than poking at uname or /proc/cpuinfo.
+
+   For the moment, we have only optimizations for the Intel generations,
+   but that could change... */
+
+#define SET_PERSONALITY(ex, ibcs2) set_personality_64bit()
+
+/*
+ * An executable for which elf_read_implies_exec() returns TRUE will
+ * have the READ_IMPLIES_EXEC personality flag set automatically.
+ */
+#define elf_read_implies_exec(ex, executable_stack)	\
+	(executable_stack != EXSTACK_DISABLE_X)
+
+struct task_struct;
+
+extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
+extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
+
+#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
+#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
+
+#ifdef CONFIG_X86_32
+extern int dump_task_extended_fpu (struct task_struct *,
+				   struct user_fxsr_struct *);
+#define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) \
+	dump_task_extended_fpu(tsk, elf_xfpregs)
+#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG
+
+#define VDSO_HIGH_BASE		(__fix_to_virt(FIX_VDSO))
+#define VDSO_CURRENT_BASE	((unsigned long)current->mm->context.vdso)
+#define VDSO_PRELINK		0
+
+#define VDSO_SYM(x) \
+		(VDSO_CURRENT_BASE + (unsigned long)(x) - VDSO_PRELINK)
+
+#define VDSO_HIGH_EHDR		((const struct elfhdr *) VDSO_HIGH_BASE)
+#define VDSO_EHDR		((const struct elfhdr *) VDSO_CURRENT_BASE)
+
+extern void __kernel_vsyscall;
+
+#define VDSO_ENTRY		VDSO_SYM(&__kernel_vsyscall)
+
+/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
+
+#define ARCH_DLINFO \
+do if (vdso_enabled) {							\
+		NEW_AUX_ENT(AT_SYSINFO,	VDSO_ENTRY);			\
+		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE);	\
+} while (0)
+
+#else /* CONFIG_X86_32 */
+
+/* 1GB for 64bit, 8MB for 32bit */
+#define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff)
+
+#define ARCH_DLINFO						\
+do if (vdso_enabled) {						\
+	NEW_AUX_ENT(AT_SYSINFO_EHDR,(unsigned long)current->mm->context.vdso);\
+} while (0)
+
+#endif /* !CONFIG_X86_32 */
+
+struct linux_binprm;
+
+#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
+extern int arch_setup_additional_pages(struct linux_binprm *bprm,
+				       int executable_stack);
+
+#endif /* __KERNEL__ */
+
 #endif

include/asm-x86/elf_32.h

···
-#ifndef __ASMi386_ELF_H
-#define __ASMi386_ELF_H
-
-/*
- * ELF register definitions..
- */
-
-#include <asm/ptrace.h>
-#include <asm/user.h>
-#include <asm/auxvec.h>
-
-#define R_386_NONE	0
-#define R_386_32	1
-#define R_386_PC32	2
-#define R_386_GOT32	3
-#define R_386_PLT32	4
-#define R_386_COPY	5
-#define R_386_GLOB_DAT	6
-#define R_386_JMP_SLOT	7
-#define R_386_RELATIVE	8
-#define R_386_GOTOFF	9
-#define R_386_GOTPC	10
-#define R_386_NUM	11
-
-typedef unsigned long elf_greg_t;
-
-#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-typedef struct user_i387_struct elf_fpregset_t;
-typedef struct user_fxsr_struct elf_fpxregset_t;
-
-/*
- * This is used to ensure we don't load something for the wrong architecture.
- */
-#define elf_check_arch(x) \
-	(((x)->e_machine == EM_386) || ((x)->e_machine == EM_486))
-
-/*
- * These are used to set parameters in the core dumps.
- */
-#define ELF_CLASS	ELFCLASS32
-#define ELF_DATA	ELFDATA2LSB
-#define ELF_ARCH	EM_386
-
-#ifdef __KERNEL__
-
-#include <asm/processor.h>
-#include <asm/system.h>		/* for savesegment */
-#include <asm/desc.h>
-
-/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
-   contains a pointer to a function which might be registered using `atexit'.
-   This provides a mean for the dynamic linker to call DT_FINI functions for
-   shared libraries that have been loaded before the code runs.
-
-   A value of 0 tells we have no such handler. 
-
-   We might as well make sure everything else is cleared too (except for %esp),
-   just to make things more deterministic.
- */
-#define ELF_PLAT_INIT(_r, load_addr)	do { \
-	_r->ebx = 0; _r->ecx = 0; _r->edx = 0; \
-	_r->esi = 0; _r->edi = 0; _r->ebp = 0; \
-	_r->eax = 0; \
-} while (0)
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE	4096
-
-/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
-   use of this is to invoke "./ld.so someprog" to test out a new version of
-   the loader.  We need to make sure that it is out of the way of the program
-   that it will "exec", and that there is sufficient room for the brk.  */
-
-#define ELF_ET_DYN_BASE         (TASK_SIZE / 3 * 2)
-
-/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
-   now struct_user_regs, they are different) */
-
-#define ELF_CORE_COPY_REGS(pr_reg, regs)		\
-	pr_reg[0] = regs->ebx;				\
-	pr_reg[1] = regs->ecx;				\
-	pr_reg[2] = regs->edx;				\
-	pr_reg[3] = regs->esi;				\
-	pr_reg[4] = regs->edi;				\
-	pr_reg[5] = regs->ebp;				\
-	pr_reg[6] = regs->eax;				\
-	pr_reg[7] = regs->xds & 0xffff;			\
-	pr_reg[8] = regs->xes & 0xffff;			\
-	pr_reg[9] = regs->xfs & 0xffff;			\
-	savesegment(gs,pr_reg[10]);			\
-	pr_reg[11] = regs->orig_eax;			\
-	pr_reg[12] = regs->eip;				\
-	pr_reg[13] = regs->xcs & 0xffff;		\
-	pr_reg[14] = regs->eflags;			\
-	pr_reg[15] = regs->esp;				\
-	pr_reg[16] = regs->xss & 0xffff;
-
-/* This yields a mask that user programs can use to figure out what
-   instruction set this CPU supports.  This could be done in user space,
-   but it's not easy, and we've already done it here.  */
-
-#define ELF_HWCAP	(boot_cpu_data.x86_capability[0])
-
-/* This yields a string that ld.so will use to load implementation
-   specific libraries for optimization.  This is more specific in
-   intent than poking at uname or /proc/cpuinfo.
-
-   For the moment, we have only optimizations for the Intel generations,
-   but that could change... */
-
-#define ELF_PLATFORM  (utsname()->machine)
-
-#define SET_PERSONALITY(ex, ibcs2) do { } while (0)
-
-/*
- * An executable for which elf_read_implies_exec() returns TRUE will
- * have the READ_IMPLIES_EXEC personality flag set automatically.
- */
-#define elf_read_implies_exec(ex, executable_stack)	(executable_stack != EXSTACK_DISABLE_X)
-
-struct task_struct;
-
-extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
-extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
-extern int dump_task_extended_fpu (struct task_struct *, struct user_fxsr_struct *);
-
-#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
-#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
-#define ELF_CORE_COPY_XFPREGS(tsk, elf_xfpregs) dump_task_extended_fpu(tsk, elf_xfpregs)
-#define ELF_CORE_XFPREG_TYPE NT_PRXFPREG
-
-#define VDSO_HIGH_BASE		(__fix_to_virt(FIX_VDSO))
-#define VDSO_CURRENT_BASE	((unsigned long)current->mm->context.vdso)
-#define VDSO_PRELINK		0
-
-#define VDSO_SYM(x) \
-		(VDSO_CURRENT_BASE + (unsigned long)(x) - VDSO_PRELINK)
-
-#define VDSO_HIGH_EHDR		((const struct elfhdr *) VDSO_HIGH_BASE)
-#define VDSO_EHDR		((const struct elfhdr *) VDSO_CURRENT_BASE)
-
-extern void __kernel_vsyscall;
-
-#define VDSO_ENTRY		VDSO_SYM(&__kernel_vsyscall)
-
-struct linux_binprm;
-
-#define ARCH_HAS_SETUP_ADDITIONAL_PAGES
-extern int arch_setup_additional_pages(struct linux_binprm *bprm,
-                                       int executable_stack);
-
-extern unsigned int vdso_enabled;
-
-/* update AT_VECTOR_SIZE_ARCH if the number of NEW_AUX_ENT entries changes */
-#define ARCH_DLINFO							\
-do if (vdso_enabled) {							\
-		NEW_AUX_ENT(AT_SYSINFO,	VDSO_ENTRY);			\
-		NEW_AUX_ENT(AT_SYSINFO_EHDR, VDSO_CURRENT_BASE);	\
-} while (0)
-
-#endif
-
-#endif

include/asm-x86/elf_64.h

···
-#ifndef __ASM_X86_64_ELF_H
-#define __ASM_X86_64_ELF_H
-
-/*
- * ELF register definitions..
- */
-
-#include <asm/ptrace.h>
-#include <asm/user.h>
-
-/* x86-64 relocation types */
-#define R_X86_64_NONE		0	/* No reloc */
-#define R_X86_64_64		1	/* Direct 64 bit  */
-#define R_X86_64_PC32		2	/* PC relative 32 bit signed */
-#define R_X86_64_GOT32		3	/* 32 bit GOT entry */
-#define R_X86_64_PLT32		4	/* 32 bit PLT address */
-#define R_X86_64_COPY		5	/* Copy symbol at runtime */
-#define R_X86_64_GLOB_DAT	6	/* Create GOT entry */
-#define R_X86_64_JUMP_SLOT	7	/* Create PLT entry */
-#define R_X86_64_RELATIVE	8	/* Adjust by program base */
-#define R_X86_64_GOTPCREL	9	/* 32 bit signed pc relative
-					   offset to GOT */
-#define R_X86_64_32		10	/* Direct 32 bit zero extended */
-#define R_X86_64_32S		11	/* Direct 32 bit sign extended */
-#define R_X86_64_16		12	/* Direct 16 bit zero extended */
-#define R_X86_64_PC16		13	/* 16 bit sign extended pc relative */
-#define R_X86_64_8		14	/* Direct 8 bit sign extended  */
-#define R_X86_64_PC8		15	/* 8 bit sign extended pc relative */
-
-#define R_X86_64_NUM		16
-
-typedef unsigned long elf_greg_t;
-
-#define ELF_NGREG (sizeof (struct user_regs_struct) / sizeof(elf_greg_t))
-typedef elf_greg_t elf_gregset_t[ELF_NGREG];
-
-typedef struct user_i387_struct elf_fpregset_t;
-
-/*
- * These are used to set parameters in the core dumps.
- */
-#define ELF_CLASS	ELFCLASS64
-#define ELF_DATA	ELFDATA2LSB
-#define ELF_ARCH	EM_X86_64
-
-#ifdef __KERNEL__
-#include <asm/processor.h>
-
-/*
- * This is used to ensure we don't load something for the wrong architecture.
- */
-#define elf_check_arch(x) \
-	((x)->e_machine == EM_X86_64)
-
-
-/* SVR4/i386 ABI (pages 3-31, 3-32) says that when the program starts %edx
-   contains a pointer to a function which might be registered using `atexit'.
-   This provides a mean for the dynamic linker to call DT_FINI functions for
-   shared libraries that have been loaded before the code runs.
-
-   A value of 0 tells we have no such handler. 
-
-   We might as well make sure everything else is cleared too (except for %esp),
-   just to make things more deterministic.
- */
-#define ELF_PLAT_INIT(_r, load_addr)	do { \
-	struct task_struct *cur = current; \
-	(_r)->rbx = 0; (_r)->rcx = 0; (_r)->rdx = 0; \
-	(_r)->rsi = 0; (_r)->rdi = 0; (_r)->rbp = 0; \
-	(_r)->rax = 0;				\
-	(_r)->r8 = 0;				\
-	(_r)->r9 = 0;				\
-	(_r)->r10 = 0;				\
-	(_r)->r11 = 0;				\
-	(_r)->r12 = 0;				\
-	(_r)->r13 = 0;				\
-	(_r)->r14 = 0;				\
-	(_r)->r15 = 0;				\
-        cur->thread.fs = 0; cur->thread.gs = 0; \
-	cur->thread.fsindex = 0; cur->thread.gsindex = 0; \
-        cur->thread.ds = 0; cur->thread.es = 0;  \
-	clear_thread_flag(TIF_IA32); \
-} while (0)
-
-#define USE_ELF_CORE_DUMP
-#define ELF_EXEC_PAGESIZE	4096
-
-/* This is the location that an ET_DYN program is loaded if exec'ed.  Typical
-   use of this is to invoke "./ld.so someprog" to test out a new version of
-   the loader.  We need to make sure that it is out of the way of the program
-   that it will "exec", and that there is sufficient room for the brk.  */
-
-#define ELF_ET_DYN_BASE         (2 * TASK_SIZE / 3)
-
-/* regs is struct pt_regs, pr_reg is elf_gregset_t (which is
-   now struct_user_regs, they are different). Assumes current is the process
-   getting dumped. */
-
-#define ELF_CORE_COPY_REGS(pr_reg, regs)  do { \
-	unsigned v;						\
-	(pr_reg)[0] = (regs)->r15;				\
-	(pr_reg)[1] = (regs)->r14;				\
-	(pr_reg)[2] = (regs)->r13;				\
-	(pr_reg)[3] = (regs)->r12;				\
-	(pr_reg)[4] = (regs)->rbp;				\
-	(pr_reg)[5] = (regs)->rbx;				\
-	(pr_reg)[6] = (regs)->r11;				\
-	(pr_reg)[7] = (regs)->r10;				\
-	(pr_reg)[8] = (regs)->r9;				\
-	(pr_reg)[9] = (regs)->r8;				\
-	(pr_reg)[10] = (regs)->rax;				\
-	(pr_reg)[11] = (regs)->rcx;				\
-	(pr_reg)[12] = (regs)->rdx;				\
-	(pr_reg)[13] = (regs)->rsi;				\
-	(pr_reg)[14] = (regs)->rdi;				\
-	(pr_reg)[15] = (regs)->orig_rax;			\
-	(pr_reg)[16] = (regs)->rip;			\
-	(pr_reg)[17] = (regs)->cs;			\
-	(pr_reg)[18] = (regs)->eflags;			\
-	(pr_reg)[19] = (regs)->rsp;			\
-	(pr_reg)[20] = (regs)->ss;			\
-	(pr_reg)[21] = current->thread.fs;			\
-	(pr_reg)[22] = current->thread.gs;			\
-	asm("movl %%ds,%0" : "=r" (v)); (pr_reg)[23] = v;	\
-	asm("movl %%es,%0" : "=r" (v)); (pr_reg)[24] = v;	\
-	asm("movl %%fs,%0" : "=r" (v)); (pr_reg)[25] = v;	\
-	asm("movl %%gs,%0" : "=r" (v)); (pr_reg)[26] = v;	\
-} while(0);
-
-/* This yields a mask that user programs can use to figure out what
-   instruction set this CPU supports.  This could be done in user space,
-   but it's not easy, and we've already done it here.  */
-
-#define ELF_HWCAP	(boot_cpu_data.x86_capability[0])
-
-/* This yields a string that ld.so will use to load implementation
-   specific libraries for optimization.  This is more specific in
-   intent than poking at uname or /proc/cpuinfo.
-
-   For the moment, we have only optimizations for the Intel generations,
-   but that could change... */
-
-/* I'm not sure if we can use '-' here */
-#define ELF_PLATFORM  ("x86_64")
-
-extern void set_personality_64bit(void);
-#define SET_PERSONALITY(ex, ibcs2) set_personality_64bit()
-/*
- * An executable for which elf_read_implies_exec() returns TRUE will
- * have the READ_IMPLIES_EXEC personality flag set automatically.
- */
-#define elf_read_implies_exec(ex, executable_stack)	(executable_stack != EXSTACK_DISABLE_X)
-
-struct task_struct;
-
-extern int dump_task_regs (struct task_struct *, elf_gregset_t *);
-extern int dump_task_fpu (struct task_struct *, elf_fpregset_t *);
-
-#define ELF_CORE_COPY_TASK_REGS(tsk, elf_regs) dump_task_regs(tsk, elf_regs)
-#define ELF_CORE_COPY_FPREGS(tsk, elf_fpregs) dump_task_fpu(tsk, elf_fpregs)
-
-/* 1GB for 64bit, 8MB for 32bit */
-#define STACK_RND_MASK (test_thread_flag(TIF_IA32) ? 0x7ff : 0x3fffff)
-
-
-#define ARCH_HAS_SETUP_ADDITIONAL_PAGES 1
-struct linux_binprm;
-extern int arch_setup_additional_pages(struct linux_binprm *bprm,
-                                       int executable_stack);
-
-extern int vdso_enabled;
-
-#define ARCH_DLINFO						\
-do if (vdso_enabled) {						\
-	NEW_AUX_ENT(AT_SYSINFO_EHDR,(unsigned long)current->mm->context.vdso);\
-} while (0)
-
-#endif
-
-#endif

include/asm-x86/mmu.h

···
-#ifdef CONFIG_X86_32
-# include "mmu_32.h"
-#else
-# include "mmu_64.h"
+#ifndef _ASM_X86_MMU_H
+#define _ASM_X86_MMU_H
+
+#include <linux/spinlock.h>
+#include <linux/mutex.h>
+
+/*
+ * The x86 doesn't have a mmu context, but
+ * we put the segment information here.
+ *
+ * cpu_vm_mask is used to optimize ldt flushing.
+ */
+typedef struct { 
+	void *ldt;
+#ifdef CONFIG_X86_64
+	rwlock_t ldtlock; 
 #endif
+	int size;
+	struct mutex lock;
+	void *vdso;
+} mm_context_t;
+
+#endif /* _ASM_X86_MMU_H */

include/asm-x86/mmu_32.h

···
-#ifndef __i386_MMU_H
-#define __i386_MMU_H
-
-#include <linux/mutex.h>
-/*
- * The i386 doesn't have a mmu context, but
- * we put the segment information here.
- *
- * cpu_vm_mask is used to optimize ldt flushing.
- */
-typedef struct { 
-	int size;
-	struct mutex lock;
-	void *ldt;
-	void *vdso;
-} mm_context_t;
-
-#endif

include/asm-x86/mmu_64.h

···
-#ifndef __x86_64_MMU_H
-#define __x86_64_MMU_H
-
-#include <linux/spinlock.h>
-#include <linux/mutex.h>
-
-/*
- * The x86_64 doesn't have a mmu context, but
- * we put the segment information here.
- *
- * cpu_vm_mask is used to optimize ldt flushing.
- */
-typedef struct { 
-	void *ldt;
-	rwlock_t ldtlock; 
-	int size;
-	struct mutex lock;
-	void *vdso;
-} mm_context_t;
-
-#endif

include/asm-x86/msgbuf.h

···
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "msgbuf_32.h"
-# else
-#  include "msgbuf_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "msgbuf_32.h"
-# else
-#  include "msgbuf_64.h"
-# endif
+#ifndef _ASM_X86_MSGBUF_H
+#define _ASM_X86_MSGBUF_H
+
+/*
+ * The msqid64_ds structure for i386 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space on i386 is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ *
+ * Pad space on x8664 is left for:
+ * - 2 miscellaneous 64-bit values
+ */
+struct msqid64_ds {
+	struct ipc64_perm msg_perm;
+	__kernel_time_t msg_stime;	/* last msgsnd time */
+#ifdef __i386__
+	unsigned long	__unused1;
 #endif
+	__kernel_time_t msg_rtime;	/* last msgrcv time */
+#ifdef __i386__
+	unsigned long	__unused2;
+#endif
+	__kernel_time_t msg_ctime;	/* last change time */
+#ifdef __i386__
+	unsigned long	__unused3;
+#endif
+	unsigned long  msg_cbytes;	/* current number of bytes on queue */
+	unsigned long  msg_qnum;	/* number of messages in queue */
+	unsigned long  msg_qbytes;	/* max number of bytes on queue */
+	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
+	__kernel_pid_t msg_lrpid;	/* last receive pid */
+	unsigned long  __unused4;
+	unsigned long  __unused5;
+};
+
+#endif /* _ASM_X86_MSGBUF_H */

include/asm-x86/msgbuf_32.h

···
-#ifndef _I386_MSGBUF_H
-#define _I386_MSGBUF_H
-
-/* 
- * The msqid64_ds structure for i386 architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 64-bit time_t to solve y2038 problem
- * - 2 miscellaneous 32-bit values
- */
-
-struct msqid64_ds {
-	struct ipc64_perm msg_perm;
-	__kernel_time_t msg_stime;	/* last msgsnd time */
-	unsigned long	__unused1;
-	__kernel_time_t msg_rtime;	/* last msgrcv time */
-	unsigned long	__unused2;
-	__kernel_time_t msg_ctime;	/* last change time */
-	unsigned long	__unused3;
-	unsigned long  msg_cbytes;	/* current number of bytes on queue */
-	unsigned long  msg_qnum;	/* number of messages in queue */
-	unsigned long  msg_qbytes;	/* max number of bytes on queue */
-	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
-	__kernel_pid_t msg_lrpid;	/* last receive pid */
-	unsigned long  __unused4;
-	unsigned long  __unused5;
-};
-
-#endif /* _I386_MSGBUF_H */

include/asm-x86/msgbuf_64.h

···
-#ifndef _X8664_MSGBUF_H
-#define _X8664_MSGBUF_H
-
-/* 
- * The msqid64_ds structure for x86-64 architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 2 miscellaneous 64-bit values
- */
-
-struct msqid64_ds {
-	struct ipc64_perm msg_perm;
-	__kernel_time_t msg_stime;	/* last msgsnd time */
-	__kernel_time_t msg_rtime;	/* last msgrcv time */
-	__kernel_time_t msg_ctime;	/* last change time */
-	unsigned long  msg_cbytes;	/* current number of bytes on queue */
-	unsigned long  msg_qnum;	/* number of messages in queue */
-	unsigned long  msg_qbytes;	/* max number of bytes on queue */
-	__kernel_pid_t msg_lspid;	/* pid of last msgsnd */
-	__kernel_pid_t msg_lrpid;	/* last receive pid */
-	unsigned long  __unused4;
-	unsigned long  __unused5;
-};
-
-#endif

include/asm-x86/msr.h

···
+#ifndef __ASM_X86_MSR_H_
+#define __ASM_X86_MSR_H_
+
+#include <asm/msr-index.h>
+
+#ifdef __i386__
+
 #ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "msr_32.h"
-# else
-#  include "msr_64.h"
-# endif
+#ifndef __ASSEMBLY__
+
+#include <asm/errno.h>
+
+static inline unsigned long long native_read_msr(unsigned int msr)
+{
+	unsigned long long val;
+
+	asm volatile("rdmsr" : "=A" (val) : "c" (msr));
+	return val;
+}
+
+static inline unsigned long long native_read_msr_safe(unsigned int msr,
+						      int *err)
+{
+	unsigned long long val;
+
+	asm volatile("2: rdmsr ; xorl %0,%0\n"
+		     "1:\n\t"
+		     ".section .fixup,\"ax\"\n\t"
+		     "3:  movl %3,%0 ; jmp 1b\n\t"
+		     ".previous\n\t"
+		     ".section __ex_table,\"a\"\n"
+		     "   .align 4\n\t"
+		     "   .long	2b,3b\n\t"
+		     ".previous"
+		     : "=r" (*err), "=A" (val)
+		     : "c" (msr), "i" (-EFAULT));
+
+	return val;
+}
+
+static inline void native_write_msr(unsigned int msr, unsigned long long val)
+{
+	asm volatile("wrmsr" : : "c" (msr), "A"(val));
+}
+
+static inline int native_write_msr_safe(unsigned int msr,
+					unsigned long long val)
+{
+	int err;
+	asm volatile("2: wrmsr ; xorl %0,%0\n"
+		     "1:\n\t"
+		     ".section .fixup,\"ax\"\n\t"
+		     "3:  movl %4,%0 ; jmp 1b\n\t"
+		     ".previous\n\t"
+		     ".section __ex_table,\"a\"\n"
+		     "   .align 4\n\t"
+		     "   .long	2b,3b\n\t"
+		     ".previous"
+		     : "=a" (err)
+		     : "c" (msr), "0" ((u32)val), "d" ((u32)(val>>32)),
+		       "i" (-EFAULT));
+	return err;
+}
+
+static inline unsigned long long native_read_tsc(void)
+{
+	unsigned long long val;
+	asm volatile("rdtsc" : "=A" (val));
+	return val;
+}
+
+static inline unsigned long long native_read_pmc(void)
+{
+	unsigned long long val;
+	asm volatile("rdpmc" : "=A" (val));
+	return val;
+}
+
+#ifdef CONFIG_PARAVIRT
+#include <asm/paravirt.h>
 #else
-# ifdef __i386__
-#  include "msr_32.h"
-# else
-#  include "msr_64.h"
-# endif
+#include <linux/errno.h>
+/*
+ * Access to machine-specific registers (available on 586 and better only)
+ * Note: the rd* operations modify the parameters directly (without using
+ * pointer indirection), this allows gcc to optimize better
+ */
+
+#define rdmsr(msr,val1,val2)						\
+	do {								\
+		u64 __val = native_read_msr(msr);			\
+		(val1) = (u32)__val;					\
+		(val2) = (u32)(__val >> 32);				\
+	} while(0)
+
+static inline void wrmsr(u32 __msr, u32 __low, u32 __high)
+{
+	native_write_msr(__msr, ((u64)__high << 32) | __low);
+}
+
+#define rdmsrl(msr,val)							\
+	((val) = native_read_msr(msr))
+
+#define wrmsrl(msr,val)	native_write_msr(msr, val)
+
+/* wrmsr with exception handling */
+static inline int wrmsr_safe(u32 __msr, u32 __low, u32 __high)
+{
+	return native_write_msr_safe(__msr, ((u64)__high << 32) | __low);
+}
+
+/* rdmsr with exception handling */
+#define rdmsr_safe(msr,p1,p2)						\
+	({								\
+		int __err;						\
+		u64 __val = native_read_msr_safe(msr, &__err);		\
+		(*p1) = (u32)__val;					\
+		(*p2) = (u32)(__val >> 32);				\
+		__err;							\
+	})
+
+#define rdtscl(low)						\
+	((low) = (u32)native_read_tsc())
+
+#define rdtscll(val)						\
+	((val) = native_read_tsc())
+
+#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
+
+#define rdpmc(counter,low,high)					\
+	do {							\
+		u64 _l = native_read_pmc();			\
+		(low)  = (u32)_l;				\
+		(high) = (u32)(_l >> 32);			\
+	} while(0)
+#endif	/* !CONFIG_PARAVIRT */
+
+#ifdef CONFIG_SMP
+void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
+void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
+int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
+int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
+#else  /*  CONFIG_SMP  */
+static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
+{
+	rdmsr(msr_no, *l, *h);
+}
+static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
+{
+	wrmsr(msr_no, l, h);
+}
+static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
+{
+	return rdmsr_safe(msr_no, l, h);
+}
+static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
+{
+	return wrmsr_safe(msr_no, l, h);
+}
+#endif  /*  CONFIG_SMP  */
+#endif  /* ! __ASSEMBLY__ */
+#endif  /* __KERNEL__ */
+
+#else   /* __i386__ */
+
+#ifndef __ASSEMBLY__
+#include <linux/errno.h>
+/*
+ * Access to machine-specific registers (available on 586 and better only)
+ * Note: the rd* operations modify the parameters directly (without using
+ * pointer indirection), this allows gcc to optimize better
+ */
+
+#define rdmsr(msr,val1,val2) \
+       __asm__ __volatile__("rdmsr" \
+			    : "=a" (val1), "=d" (val2) \
+			    : "c" (msr))
+
+
+#define rdmsrl(msr,val) do { unsigned long a__,b__; \
+       __asm__ __volatile__("rdmsr" \
+			    : "=a" (a__), "=d" (b__) \
+			    : "c" (msr)); \
+       val = a__ | (b__<<32); \
+} while(0)
+
+#define wrmsr(msr,val1,val2) \
+     __asm__ __volatile__("wrmsr" \
+			  : /* no outputs */ \
+			  : "c" (msr), "a" (val1), "d" (val2))
+
+#define wrmsrl(msr,val) wrmsr(msr,(__u32)((__u64)(val)),((__u64)(val))>>32)
+
+/* wrmsr with exception handling */
+#define wrmsr_safe(msr,a,b) ({ int ret__;			\
+	asm volatile("2: wrmsr ; xorl %0,%0\n"			\
+		     "1:\n\t"					\
+		     ".section .fixup,\"ax\"\n\t"		\
+		     "3:  movl %4,%0 ; jmp 1b\n\t"		\
+		     ".previous\n\t"				\
+		     ".section __ex_table,\"a\"\n"		\
+		     "   .align 8\n\t"				\
+		     "   .quad	2b,3b\n\t"			\
+		     ".previous"				\
+		     : "=a" (ret__)				\
+		     : "c" (msr), "0" (a), "d" (b), "i" (-EFAULT)); \
+	ret__; })
+
+#define checking_wrmsrl(msr,val) wrmsr_safe(msr,(u32)(val),(u32)((val)>>32))
+
+#define rdmsr_safe(msr,a,b) \
+	({ int ret__;						\
+	  asm volatile ("1:       rdmsr\n"			\
+			"2:\n"					\
+			".section .fixup,\"ax\"\n"		\
+			"3:       movl %4,%0\n"			\
+			" jmp 2b\n"				\
+			".previous\n"				\
+			".section __ex_table,\"a\"\n"		\
+			" .align 8\n"				\
+			" .quad 1b,3b\n"				\
+			".previous":"=&bDS" (ret__), "=a"(*(a)), "=d"(*(b)) \
+			:"c"(msr), "i"(-EIO), "0"(0));			\
+	  ret__; })
+
+#define rdtsc(low,high) \
+     __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
+
+#define rdtscl(low) \
+     __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
+
+#define rdtscp(low,high,aux) \
+     asm volatile (".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (aux))
+
+#define rdtscll(val) do { \
+     unsigned int __a,__d; \
+     asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \
+     (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
+} while(0)
+
+#define rdtscpll(val, aux) do { \
+     unsigned long __a, __d; \
+     asm volatile (".byte 0x0f,0x01,0xf9" : "=a" (__a), "=d" (__d), "=c" (aux)); \
+     (val) = (__d << 32) | __a; \
+} while (0)
+
+#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
+
+#define write_rdtscp_aux(val) wrmsr(0xc0000103, val, 0)
+
+#define rdpmc(counter,low,high) \
+     __asm__ __volatile__("rdpmc" \
+			  : "=a" (low), "=d" (high) \
+			  : "c" (counter))
+
+static inline void cpuid(int op, unsigned int *eax, unsigned int *ebx,
+			 unsigned int *ecx, unsigned int *edx)
+{
+	__asm__("cpuid"
+		: "=a" (*eax),
+		  "=b" (*ebx),
+		  "=c" (*ecx),
+		  "=d" (*edx)
+		: "0" (op));
+}
+
+/* Some CPUID calls want 'count' to be placed in ecx */
+static inline void cpuid_count(int op, int count, int *eax, int *ebx, int *ecx,
+			       int *edx)
+{
+	__asm__("cpuid"
+		: "=a" (*eax),
+		  "=b" (*ebx),
+		  "=c" (*ecx),
+		  "=d" (*edx)
+		: "0" (op), "c" (count));
+}
+
+/*
+ * CPUID functions returning a single datum
+ */
+static inline unsigned int cpuid_eax(unsigned int op)
+{
+	unsigned int eax;
+
+	__asm__("cpuid"
+		: "=a" (eax)
+		: "0" (op)
+		: "bx", "cx", "dx");
+	return eax;
+}
+static inline unsigned int cpuid_ebx(unsigned int op)
+{
+	unsigned int eax, ebx;
+
+	__asm__("cpuid"
+		: "=a" (eax), "=b" (ebx)
+		: "0" (op)
+		: "cx", "dx" );
+	return ebx;
+}
+static inline unsigned int cpuid_ecx(unsigned int op)
+{
+	unsigned int eax, ecx;
+
+	__asm__("cpuid"
+		: "=a" (eax), "=c" (ecx)
+		: "0" (op)
+		: "bx", "dx" );
+	return ecx;
+}
+static inline unsigned int cpuid_edx(unsigned int op)
+{
+	unsigned int eax, edx;
+
+	__asm__("cpuid"
+		: "=a" (eax), "=d" (edx)
+		: "0" (op)
+		: "bx", "cx");
+	return edx;
+}
+
+#ifdef CONFIG_SMP
+void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
+void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
+int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
+int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
+#else  /*  CONFIG_SMP  */
+static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
+{
+	rdmsr(msr_no, *l, *h);
+}
+static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
+{
+	wrmsr(msr_no, l, h);
+}
+static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
+{
+	return rdmsr_safe(msr_no, l, h);
+}
+static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
+{
+	return wrmsr_safe(msr_no, l, h);
+}
+#endif  /* CONFIG_SMP */
+#endif  /* __ASSEMBLY__ */
+
+#endif  /* !__i386__ */
+
 #endif

include/asm-x86/msr_32.h

···
-#ifndef __ASM_MSR_H
-#define __ASM_MSR_H
-
-#include <asm/msr-index.h>
-
-#ifdef __KERNEL__
-#ifndef __ASSEMBLY__
-
-#include <asm/errno.h>
-
-static inline unsigned long long native_read_msr(unsigned int msr)
-{
-	unsigned long long val;
-
-	asm volatile("rdmsr" : "=A" (val) : "c" (msr));
-	return val;
-}
-
-static inline unsigned long long native_read_msr_safe(unsigned int msr,
-						      int *err)
-{
-	unsigned long long val;
-
-	asm volatile("2: rdmsr ; xorl %0,%0\n"
-		     "1:\n\t"
-		     ".section .fixup,\"ax\"\n\t"
-		     "3:  movl %3,%0 ; jmp 1b\n\t"
-		     ".previous\n\t"
- 		     ".section __ex_table,\"a\"\n"
-		     "   .align 4\n\t"
-		     "   .long 	2b,3b\n\t"
-		     ".previous"
-		     : "=r" (*err), "=A" (val)
-		     : "c" (msr), "i" (-EFAULT));
-
-	return val;
-}
-
-static inline void native_write_msr(unsigned int msr, unsigned long long val)
-{
-	asm volatile("wrmsr" : : "c" (msr), "A"(val));
-}
-
-static inline int native_write_msr_safe(unsigned int msr,
-					unsigned long long val)
-{
-	int err;
-	asm volatile("2: wrmsr ; xorl %0,%0\n"
-		     "1:\n\t"
-		     ".section .fixup,\"ax\"\n\t"
-		     "3:  movl %4,%0 ; jmp 1b\n\t"
-		     ".previous\n\t"
- 		     ".section __ex_table,\"a\"\n"
-		     "   .align 4\n\t"
-		     "   .long 	2b,3b\n\t"
-		     ".previous"
-		     : "=a" (err)
-		     : "c" (msr), "0" ((u32)val), "d" ((u32)(val>>32)),
-		       "i" (-EFAULT));
-	return err;
-}
-
-static inline unsigned long long native_read_tsc(void)
-{
-	unsigned long long val;
-	asm volatile("rdtsc" : "=A" (val));
-	return val;
-}
-
-static inline unsigned long long native_read_pmc(void)
-{
-	unsigned long long val;
-	asm volatile("rdpmc" : "=A" (val));
-	return val;
-}
-
-#ifdef CONFIG_PARAVIRT
-#include <asm/paravirt.h>
-#else
-#include <linux/errno.h>
-/*
- * Access to machine-specific registers (available on 586 and better only)
- * Note: the rd* operations modify the parameters directly (without using
- * pointer indirection), this allows gcc to optimize better
- */
-
-#define rdmsr(msr,val1,val2)						\
-	do {								\
-		u64 __val = native_read_msr(msr);			\
-		(val1) = (u32)__val;					\
-		(val2) = (u32)(__val >> 32);				\
-	} while(0)
-
-static inline void wrmsr(u32 __msr, u32 __low, u32 __high)
-{
-	native_write_msr(__msr, ((u64)__high << 32) | __low);
-}
-
-#define rdmsrl(msr,val)							\
-	((val) = native_read_msr(msr))
-
-#define wrmsrl(msr,val)	native_write_msr(msr, val)
-
-/* wrmsr with exception handling */
-static inline int wrmsr_safe(u32 __msr, u32 __low, u32 __high)
-{
-	return native_write_msr_safe(__msr, ((u64)__high << 32) | __low);
-}
-
-/* rdmsr with exception handling */
-#define rdmsr_safe(msr,p1,p2)						\
-	({								\
-		int __err;						\
-		u64 __val = native_read_msr_safe(msr, &__err);		\
-		(*p1) = (u32)__val;					\
-		(*p2) = (u32)(__val >> 32);				\
-		__err;							\
-	})
-
-#define rdtscl(low)						\
-	((low) = (u32)native_read_tsc())
-
-#define rdtscll(val)						\
-	((val) = native_read_tsc())
-
-#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
-
-#define rdpmc(counter,low,high)					\
-	do {							\
-		u64 _l = native_read_pmc();			\
-		(low)  = (u32)_l;				\
-		(high) = (u32)(_l >> 32);			\
-	} while(0)
-#endif	/* !CONFIG_PARAVIRT */
-
-#ifdef CONFIG_SMP
-void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
-void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
-int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
-int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
-#else  /*  CONFIG_SMP  */
-static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
-{
-	rdmsr(msr_no, *l, *h);
-}
-static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
-{
-	wrmsr(msr_no, l, h);
-}
-static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
-{
-	return rdmsr_safe(msr_no, l, h);
-}
-static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
-{
-	return wrmsr_safe(msr_no, l, h);
-}
-#endif  /*  CONFIG_SMP  */
-#endif
-#endif
-#endif /* __ASM_MSR_H */

include/asm-x86/msr_64.h

···
-#ifndef X86_64_MSR_H
-#define X86_64_MSR_H 1
-
-#include <asm/msr-index.h>
-
-#ifndef __ASSEMBLY__
-#include <linux/errno.h>
-/*
- * Access to machine-specific registers (available on 586 and better only)
- * Note: the rd* operations modify the parameters directly (without using
- * pointer indirection), this allows gcc to optimize better
- */
-
-#define rdmsr(msr,val1,val2) \
-       __asm__ __volatile__("rdmsr" \
-			    : "=a" (val1), "=d" (val2) \
-			    : "c" (msr))
-
-
-#define rdmsrl(msr,val) do { unsigned long a__,b__; \
-       __asm__ __volatile__("rdmsr" \
-			    : "=a" (a__), "=d" (b__) \
-			    : "c" (msr)); \
-       val = a__ | (b__<<32); \
-} while(0)
-
-#define wrmsr(msr,val1,val2) \
-     __asm__ __volatile__("wrmsr" \
-			  : /* no outputs */ \
-			  : "c" (msr), "a" (val1), "d" (val2))
-
-#define wrmsrl(msr,val) wrmsr(msr,(__u32)((__u64)(val)),((__u64)(val))>>32) 
-
-/* wrmsr with exception handling */
-#define wrmsr_safe(msr,a,b) ({ int ret__;			\
-	asm volatile("2: wrmsr ; xorl %0,%0\n"			\
-		     "1:\n\t"					\
-		     ".section .fixup,\"ax\"\n\t"		\
-		     "3:  movl %4,%0 ; jmp 1b\n\t"		\
-		     ".previous\n\t"				\
- 		     ".section __ex_table,\"a\"\n"		\
-		     "   .align 8\n\t"				\
-		     "   .quad 	2b,3b\n\t"			\
-		     ".previous"				\
-		     : "=a" (ret__)				\
-		     : "c" (msr), "0" (a), "d" (b), "i" (-EFAULT)); \
-	ret__; })
-
-#define checking_wrmsrl(msr,val) wrmsr_safe(msr,(u32)(val),(u32)((val)>>32))
-
-#define rdmsr_safe(msr,a,b) \
-	({ int ret__;						\
-	  asm volatile ("1:       rdmsr\n"			\
-                      "2:\n"					\
-                      ".section .fixup,\"ax\"\n"		\
-                      "3:       movl %4,%0\n"			\
-                      " jmp 2b\n"				\
-                      ".previous\n"				\
-                      ".section __ex_table,\"a\"\n"		\
-                      " .align 8\n"				\
-                      " .quad 1b,3b\n"				\
-                      ".previous":"=&bDS" (ret__), "=a"(*(a)), "=d"(*(b))\
-                      :"c"(msr), "i"(-EIO), "0"(0));		\
-	  ret__; })		
-
-#define rdtsc(low,high) \
-     __asm__ __volatile__("rdtsc" : "=a" (low), "=d" (high))
-
-#define rdtscl(low) \
-     __asm__ __volatile__ ("rdtsc" : "=a" (low) : : "edx")
-
-#define rdtscp(low,high,aux) \
-     asm volatile (".byte 0x0f,0x01,0xf9" : "=a" (low), "=d" (high), "=c" (aux))
-
-#define rdtscll(val) do { \
-     unsigned int __a,__d; \
-     asm volatile("rdtsc" : "=a" (__a), "=d" (__d)); \
-     (val) = ((unsigned long)__a) | (((unsigned long)__d)<<32); \
-} while(0)
-
-#define rdtscpll(val, aux) do { \
-     unsigned long __a, __d; \
-     asm volatile (".byte 0x0f,0x01,0xf9" : "=a" (__a), "=d" (__d), "=c" (aux)); \
-     (val) = (__d << 32) | __a; \
-} while (0)
-
-#define write_tsc(val1,val2) wrmsr(0x10, val1, val2)
-
-#define write_rdtscp_aux(val) wrmsr(0xc0000103, val, 0)
-
-#define rdpmc(counter,low,high) \
-     __asm__ __volatile__("rdpmc" \
-			  : "=a" (low), "=d" (high) \
-			  : "c" (counter))
-
-static inline void cpuid(int op, unsigned int *eax, unsigned int *ebx,
-			 unsigned int *ecx, unsigned int *edx)
-{
-	__asm__("cpuid"
-		: "=a" (*eax),
-		  "=b" (*ebx),
-		  "=c" (*ecx),
-		  "=d" (*edx)
-		: "0" (op));
-}
-
-/* Some CPUID calls want 'count' to be placed in ecx */
-static inline void cpuid_count(int op, int count, int *eax, int *ebx, int *ecx,
-	       	int *edx)
-{
-	__asm__("cpuid"
-		: "=a" (*eax),
-		  "=b" (*ebx),
-		  "=c" (*ecx),
-		  "=d" (*edx)
-		: "0" (op), "c" (count));
-}
-
-/*
- * CPUID functions returning a single datum
- */
-static inline unsigned int cpuid_eax(unsigned int op)
-{
-	unsigned int eax;
-
-	__asm__("cpuid"
-		: "=a" (eax)
-		: "0" (op)
-		: "bx", "cx", "dx");
-	return eax;
-}
-static inline unsigned int cpuid_ebx(unsigned int op)
-{
-	unsigned int eax, ebx;
-
-	__asm__("cpuid"
-		: "=a" (eax), "=b" (ebx)
-		: "0" (op)
-		: "cx", "dx" );
-	return ebx;
-}
-static inline unsigned int cpuid_ecx(unsigned int op)
-{
-	unsigned int eax, ecx;
-
-	__asm__("cpuid"
-		: "=a" (eax), "=c" (ecx)
-		: "0" (op)
-		: "bx", "dx" );
-	return ecx;
-}
-static inline unsigned int cpuid_edx(unsigned int op)
-{
-	unsigned int eax, edx;
-
-	__asm__("cpuid"
-		: "=a" (eax), "=d" (edx)
-		: "0" (op)
-		: "bx", "cx");
-	return edx;
-}
-
-#ifdef CONFIG_SMP
-void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
-void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
-int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
-int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
-#else  /*  CONFIG_SMP  */
-static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
-{
-	rdmsr(msr_no, *l, *h);
-}
-static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
-{
-	wrmsr(msr_no, l, h);
-}
-static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
-{
-	return rdmsr_safe(msr_no, l, h);
-}
-static inline int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
-{
-	return wrmsr_safe(msr_no, l, h);
-}
-#endif  /* CONFIG_SMP */
-#endif /* __ASSEMBLY__ */
-#endif	/* X86_64_MSR_H */

include/asm-x86/mtrr.h

···
+/*  Generic MTRR (Memory Type Range Register) ioctls.
+
+    Copyright (C) 1997-1999  Richard Gooch
+
+    This library is free software; you can redistribute it and/or
+    modify it under the terms of the GNU Library General Public
+    License as published by the Free Software Foundation; either
+    version 2 of the License, or (at your option) any later version.
+
+    This library is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+    Library General Public License for more details.
+
+    You should have received a copy of the GNU Library General Public
+    License along with this library; if not, write to the Free
+    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+
+    Richard Gooch may be reached by email at  [e-mail]
+    The postal address is:
+      Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
+*/
+#ifndef _ASM_X86_MTRR_H
+#define _ASM_X86_MTRR_H
+
+#include <linux/ioctl.h>
+#include <linux/errno.h>
+
+#define	MTRR_IOCTL_BASE	'M'
+
+struct mtrr_sentry
+{
+    unsigned long base;    /*  Base address     */
+    unsigned int size;    /*  Size of region   */
+    unsigned int type;     /*  Type of region   */
+};
+
+/* Warning: this structure has a different order from i386
+   on x86-64. The 32bit emulation code takes care of that.
+   But you need to use this for 64bit, otherwise your X server
+   will break. */
+
+#ifdef __i386__
+struct mtrr_gentry
+{
+    unsigned int regnum;   /*  Register number  */
+    unsigned long base;    /*  Base address     */
+    unsigned int size;    /*  Size of region   */
+    unsigned int type;     /*  Type of region   */
+};
+
+#else /* __i386__ */
+
+struct mtrr_gentry
+{
+    unsigned long base;    /*  Base address     */
+    unsigned int size;    /*  Size of region   */
+    unsigned int regnum;   /*  Register number  */
+    unsigned int type;     /*  Type of region   */
+};
+#endif /* !__i386__ */
+
+/*  These are the various ioctls  */
+#define MTRRIOC_ADD_ENTRY        _IOW(MTRR_IOCTL_BASE,  0, struct mtrr_sentry)
+#define MTRRIOC_SET_ENTRY        _IOW(MTRR_IOCTL_BASE,  1, struct mtrr_sentry)
+#define MTRRIOC_DEL_ENTRY        _IOW(MTRR_IOCTL_BASE,  2, struct mtrr_sentry)
+#define MTRRIOC_GET_ENTRY        _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry)
+#define MTRRIOC_KILL_ENTRY       _IOW(MTRR_IOCTL_BASE,  4, struct mtrr_sentry)
+#define MTRRIOC_ADD_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  5, struct mtrr_sentry)
+#define MTRRIOC_SET_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  6, struct mtrr_sentry)
+#define MTRRIOC_DEL_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  7, struct mtrr_sentry)
+#define MTRRIOC_GET_PAGE_ENTRY   _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
+#define MTRRIOC_KILL_PAGE_ENTRY  _IOW(MTRR_IOCTL_BASE,  9, struct mtrr_sentry)
+
+/*  These are the region types  */
+#define MTRR_TYPE_UNCACHABLE 0
+#define MTRR_TYPE_WRCOMB     1
+/*#define MTRR_TYPE_         2*/
+/*#define MTRR_TYPE_         3*/
+#define MTRR_TYPE_WRTHROUGH  4
+#define MTRR_TYPE_WRPROT     5
+#define MTRR_TYPE_WRBACK     6
+#define MTRR_NUM_TYPES       7
+
 #ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "mtrr_32.h"
-# else
-#  include "mtrr_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "mtrr_32.h"
-# else
-#  include "mtrr_64.h"
-# endif
-#endif
+
+/*  The following functions are for use by other drivers  */
+# ifdef CONFIG_MTRR
+extern void mtrr_save_fixed_ranges(void *);
+extern void mtrr_save_state(void);
+extern int mtrr_add (unsigned long base, unsigned long size,
+		     unsigned int type, char increment);
+extern int mtrr_add_page (unsigned long base, unsigned long size,
+		     unsigned int type, char increment);
+extern int mtrr_del (int reg, unsigned long base, unsigned long size);
+extern int mtrr_del_page (int reg, unsigned long base, unsigned long size);
+extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi);
+extern void mtrr_ap_init(void);
+extern void mtrr_bp_init(void);
+#  else
+#define mtrr_save_fixed_ranges(arg) do {} while (0)
+#define mtrr_save_state() do {} while (0)
+static __inline__ int mtrr_add (unsigned long base, unsigned long size,
+				unsigned int type, char increment)
+{
+    return -ENODEV;
+}
+static __inline__ int mtrr_add_page (unsigned long base, unsigned long size,
+				unsigned int type, char increment)
+{
+    return -ENODEV;
+}
+static __inline__ int mtrr_del (int reg, unsigned long base,
+				unsigned long size)
+{
+    return -ENODEV;
+}
+static __inline__ int mtrr_del_page (int reg, unsigned long base,
+				unsigned long size)
+{
+    return -ENODEV;
+}
+
+static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;}
+
+#define mtrr_ap_init() do {} while (0)
+#define mtrr_bp_init() do {} while (0)
+#  endif
+
+#ifdef CONFIG_COMPAT
+#include <linux/compat.h>
+
+struct mtrr_sentry32
+{
+    compat_ulong_t base;    /*  Base address     */
+    compat_uint_t size;    /*  Size of region   */
+    compat_uint_t type;     /*  Type of region   */
+};
+
+struct mtrr_gentry32
+{
+    compat_ulong_t regnum;   /*  Register number  */
+    compat_uint_t base;    /*  Base address     */
+    compat_uint_t size;    /*  Size of region   */
+    compat_uint_t type;     /*  Type of region   */
+};
+
+#define MTRR_IOCTL_BASE 'M'
+
+#define MTRRIOC32_ADD_ENTRY        _IOW(MTRR_IOCTL_BASE,  0, struct mtrr_sentry32)
+#define MTRRIOC32_SET_ENTRY        _IOW(MTRR_IOCTL_BASE,  1, struct mtrr_sentry32)
+#define MTRRIOC32_DEL_ENTRY        _IOW(MTRR_IOCTL_BASE,  2, struct mtrr_sentry32)
+#define MTRRIOC32_GET_ENTRY        _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry32)
+#define MTRRIOC32_KILL_ENTRY       _IOW(MTRR_IOCTL_BASE,  4, struct mtrr_sentry32)
+#define MTRRIOC32_ADD_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  5, struct mtrr_sentry32)
+#define MTRRIOC32_SET_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  6, struct mtrr_sentry32)
+#define MTRRIOC32_DEL_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  7, struct mtrr_sentry32)
+#define MTRRIOC32_GET_PAGE_ENTRY   _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry32)
+#define MTRRIOC32_KILL_PAGE_ENTRY  _IOW(MTRR_IOCTL_BASE,  9, struct mtrr_sentry32)
+#endif /* CONFIG_COMPAT */
+
+#endif /* __KERNEL__ */
+
+#endif  /*  _ASM_X86_MTRR_H  */

include/asm-x86/mtrr_32.h

···
-/*  Generic MTRR (Memory Type Range Register) ioctls.
-
-    Copyright (C) 1997-1999  Richard Gooch
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public
-    License along with this library; if not, write to the Free
-    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    Richard Gooch may be reached by email at  [e-mail]
-    The postal address is:
-      Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
-*/
-#ifndef _LINUX_MTRR_H
-#define _LINUX_MTRR_H
-
-#include <linux/ioctl.h>
-#include <linux/errno.h>
-
-#define	MTRR_IOCTL_BASE	'M'
-
-struct mtrr_sentry
-{
-    unsigned long base;    /*  Base address     */
-    unsigned int size;    /*  Size of region   */
-    unsigned int type;     /*  Type of region   */
-};
-
-struct mtrr_gentry
-{
-    unsigned int regnum;   /*  Register number  */
-    unsigned long base;    /*  Base address     */
-    unsigned int size;    /*  Size of region   */
-    unsigned int type;     /*  Type of region   */
-};
-
-/*  These are the various ioctls  */
-#define MTRRIOC_ADD_ENTRY        _IOW(MTRR_IOCTL_BASE,  0, struct mtrr_sentry)
-#define MTRRIOC_SET_ENTRY        _IOW(MTRR_IOCTL_BASE,  1, struct mtrr_sentry)
-#define MTRRIOC_DEL_ENTRY        _IOW(MTRR_IOCTL_BASE,  2, struct mtrr_sentry)
-#define MTRRIOC_GET_ENTRY        _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry)
-#define MTRRIOC_KILL_ENTRY       _IOW(MTRR_IOCTL_BASE,  4, struct mtrr_sentry)
-#define MTRRIOC_ADD_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  5, struct mtrr_sentry)
-#define MTRRIOC_SET_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  6, struct mtrr_sentry)
-#define MTRRIOC_DEL_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  7, struct mtrr_sentry)
-#define MTRRIOC_GET_PAGE_ENTRY   _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
-#define MTRRIOC_KILL_PAGE_ENTRY  _IOW(MTRR_IOCTL_BASE,  9, struct mtrr_sentry)
-
-/*  These are the region types  */
-#define MTRR_TYPE_UNCACHABLE 0
-#define MTRR_TYPE_WRCOMB     1
-/*#define MTRR_TYPE_         2*/
-/*#define MTRR_TYPE_         3*/
-#define MTRR_TYPE_WRTHROUGH  4
-#define MTRR_TYPE_WRPROT     5
-#define MTRR_TYPE_WRBACK     6
-#define MTRR_NUM_TYPES       7
-
-#ifdef __KERNEL__
-
-/*  The following functions are for use by other drivers  */
-# ifdef CONFIG_MTRR
-extern void mtrr_save_fixed_ranges(void *);
-extern void mtrr_save_state(void);
-extern int mtrr_add (unsigned long base, unsigned long size,
-		     unsigned int type, char increment);
-extern int mtrr_add_page (unsigned long base, unsigned long size,
-		     unsigned int type, char increment);
-extern int mtrr_del (int reg, unsigned long base, unsigned long size);
-extern int mtrr_del_page (int reg, unsigned long base, unsigned long size);
-extern void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi);
-extern void mtrr_ap_init(void);
-extern void mtrr_bp_init(void);
-#  else
-#define mtrr_save_fixed_ranges(arg) do {} while (0)
-#define mtrr_save_state() do {} while (0)
-static __inline__ int mtrr_add (unsigned long base, unsigned long size,
-				unsigned int type, char increment)
-{
-    return -ENODEV;
-}
-static __inline__ int mtrr_add_page (unsigned long base, unsigned long size,
-				unsigned int type, char increment)
-{
-    return -ENODEV;
-}
-static __inline__ int mtrr_del (int reg, unsigned long base,
-				unsigned long size)
-{
-    return -ENODEV;
-}
-static __inline__ int mtrr_del_page (int reg, unsigned long base,
-				unsigned long size)
-{
-    return -ENODEV;
-}
-
-static __inline__ void mtrr_centaur_report_mcr(int mcr, u32 lo, u32 hi) {;}
-
-#define mtrr_ap_init() do {} while (0)
-#define mtrr_bp_init() do {} while (0)
-#  endif
-
-#endif
-
-#endif  /*  _LINUX_MTRR_H  */

include/asm-x86/mtrr_64.h

···
-/*  Generic MTRR (Memory Type Range Register) ioctls.
-
-    Copyright (C) 1997-1999  Richard Gooch
-
-    This library is free software; you can redistribute it and/or
-    modify it under the terms of the GNU Library General Public
-    License as published by the Free Software Foundation; either
-    version 2 of the License, or (at your option) any later version.
-
-    This library is distributed in the hope that it will be useful,
-    but WITHOUT ANY WARRANTY; without even the implied warranty of
-    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-    Library General Public License for more details.
-
-    You should have received a copy of the GNU Library General Public
-    License along with this library; if not, write to the Free
-    Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
-
-    Richard Gooch may be reached by email at  [e-mail]
-    The postal address is:
-      Richard Gooch, c/o ATNF, P. O. Box 76, Epping, N.S.W., 2121, Australia.
-*/
-#ifndef _LINUX_MTRR_H
-#define _LINUX_MTRR_H
-
-#include <linux/ioctl.h>
-
-#define	MTRR_IOCTL_BASE	'M'
-
-struct mtrr_sentry
-{
-    unsigned long base;    /*  Base address     */
-    unsigned int size;    /*  Size of region   */
-    unsigned int type;     /*  Type of region   */
-};
-
-/* Warning: this structure has a different order from i386
-   on x86-64. The 32bit emulation code takes care of that.
-   But you need to use this for 64bit, otherwise your X server
-   will break. */
-struct mtrr_gentry
-{
-    unsigned long base;    /*  Base address     */
-    unsigned int size;    /*  Size of region   */
-    unsigned int regnum;   /*  Register number  */
-    unsigned int type;     /*  Type of region   */
-};
-
-/*  These are the various ioctls  */
-#define MTRRIOC_ADD_ENTRY        _IOW(MTRR_IOCTL_BASE,  0, struct mtrr_sentry)
-#define MTRRIOC_SET_ENTRY        _IOW(MTRR_IOCTL_BASE,  1, struct mtrr_sentry)
-#define MTRRIOC_DEL_ENTRY        _IOW(MTRR_IOCTL_BASE,  2, struct mtrr_sentry)
-#define MTRRIOC_GET_ENTRY        _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry)
-#define MTRRIOC_KILL_ENTRY       _IOW(MTRR_IOCTL_BASE,  4, struct mtrr_sentry)
-#define MTRRIOC_ADD_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  5, struct mtrr_sentry)
-#define MTRRIOC_SET_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  6, struct mtrr_sentry)
-#define MTRRIOC_DEL_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  7, struct mtrr_sentry)
-#define MTRRIOC_GET_PAGE_ENTRY   _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry)
-#define MTRRIOC_KILL_PAGE_ENTRY  _IOW(MTRR_IOCTL_BASE,  9, struct mtrr_sentry)
-
-/*  These are the region types  */
-#define MTRR_TYPE_UNCACHABLE 0
-#define MTRR_TYPE_WRCOMB     1
-/*#define MTRR_TYPE_         2*/
-/*#define MTRR_TYPE_         3*/
-#define MTRR_TYPE_WRTHROUGH  4
-#define MTRR_TYPE_WRPROT     5
-#define MTRR_TYPE_WRBACK     6
-#define MTRR_NUM_TYPES       7
-
-#ifdef __KERNEL__
-
-/*  The following functions are for use by other drivers  */
-# ifdef CONFIG_MTRR
-extern int mtrr_add (unsigned long base, unsigned long size,
-		     unsigned int type, char increment);
-extern int mtrr_add_page (unsigned long base, unsigned long size,
-		     unsigned int type, char increment);
-extern int mtrr_del (int reg, unsigned long base, unsigned long size);
-extern int mtrr_del_page (int reg, unsigned long base, unsigned long size);
-#  else
-static __inline__ int mtrr_add (unsigned long base, unsigned long size,
-				unsigned int type, char increment)
-{
-    return -ENODEV;
-}
-static __inline__ int mtrr_add_page (unsigned long base, unsigned long size,
-				unsigned int type, char increment)
-{
-    return -ENODEV;
-}
-static __inline__ int mtrr_del (int reg, unsigned long base,
-				unsigned long size)
-{
-    return -ENODEV;
-}
-static __inline__ int mtrr_del_page (int reg, unsigned long base,
-				unsigned long size)
-{
-    return -ENODEV;
-}
-
-#endif /* CONFIG_MTRR */
-
-#ifdef CONFIG_COMPAT
-#include <linux/compat.h>
-
-struct mtrr_sentry32
-{
-    compat_ulong_t base;    /*  Base address     */
-    compat_uint_t size;    /*  Size of region   */
-    compat_uint_t type;     /*  Type of region   */
-};
-
-struct mtrr_gentry32
-{
-    compat_ulong_t regnum;   /*  Register number  */
-    compat_uint_t base;    /*  Base address     */
-    compat_uint_t size;    /*  Size of region   */
-    compat_uint_t type;     /*  Type of region   */
-};
-
-#define MTRR_IOCTL_BASE 'M'
-
-#define MTRRIOC32_ADD_ENTRY        _IOW(MTRR_IOCTL_BASE,  0, struct mtrr_sentry32)
-#define MTRRIOC32_SET_ENTRY        _IOW(MTRR_IOCTL_BASE,  1, struct mtrr_sentry32)
-#define MTRRIOC32_DEL_ENTRY        _IOW(MTRR_IOCTL_BASE,  2, struct mtrr_sentry32)
-#define MTRRIOC32_GET_ENTRY        _IOWR(MTRR_IOCTL_BASE, 3, struct mtrr_gentry32)
-#define MTRRIOC32_KILL_ENTRY       _IOW(MTRR_IOCTL_BASE,  4, struct mtrr_sentry32)
-#define MTRRIOC32_ADD_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  5, struct mtrr_sentry32)
-#define MTRRIOC32_SET_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  6, struct mtrr_sentry32)
-#define MTRRIOC32_DEL_PAGE_ENTRY   _IOW(MTRR_IOCTL_BASE,  7, struct mtrr_sentry32)
-#define MTRRIOC32_GET_PAGE_ENTRY   _IOWR(MTRR_IOCTL_BASE, 8, struct mtrr_gentry32)
-#define MTRRIOC32_KILL_PAGE_ENTRY  _IOW(MTRR_IOCTL_BASE,  9, struct mtrr_sentry32)
-
-#endif /* CONFIG_COMPAT */
-
-#ifdef CONFIG_MTRR
-extern void mtrr_ap_init(void);
-extern void mtrr_bp_init(void);
-extern void mtrr_save_fixed_ranges(void *);
-extern void mtrr_save_state(void);
-#else
-#define mtrr_ap_init() do {} while (0)
-#define mtrr_bp_init() do {} while (0)
-#define mtrr_save_fixed_ranges(arg) do {} while (0)
-#define mtrr_save_state() do {} while (0)
-#endif
-
-#endif /* __KERNEL__ */
-
-#endif  /*  _LINUX_MTRR_H  */

include/asm-x86/ptrace.h

···
+#ifndef _ASM_X86_PTRACE_H
+#define _ASM_X86_PTRACE_H
+
+#include <linux/compiler.h>	/* For __user */
+#include <asm/ptrace-abi.h>
+
+#ifndef __ASSEMBLY__
+
+#ifdef __i386__
+/* this struct defines the way the registers are stored on the
+   stack during a system call. */
+
+struct pt_regs {
+	long ebx;
+	long ecx;
+	long edx;
+	long esi;
+	long edi;
+	long ebp;
+	long eax;
+	int  xds;
+	int  xes;
+	int  xfs;
+	/* int  xgs; */
+	long orig_eax;
+	long eip;
+	int  xcs;
+	long eflags;
+	long esp;
+	int  xss;
+};
+
 #ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "ptrace_32.h"
-# else
-#  include "ptrace_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "ptrace_32.h"
-# else
-#  include "ptrace_64.h"
-# endif
+
+#include <asm/vm86.h>
+#include <asm/segment.h>
+
+struct task_struct;
+extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
+
+/*
+ * user_mode_vm(regs) determines whether a register set came from user mode.
+ * This is true if V8086 mode was enabled OR if the register set was from
+ * protected mode with RPL-3 CS value.  This tricky test checks that with
+ * one comparison.  Many places in the kernel can bypass this full check
+ * if they have already ruled out V8086 mode, so user_mode(regs) can be used.
+ */
+static inline int user_mode(struct pt_regs *regs)
+{
+	return (regs->xcs & SEGMENT_RPL_MASK) == USER_RPL;
+}
+static inline int user_mode_vm(struct pt_regs *regs)
+{
+	return ((regs->xcs & SEGMENT_RPL_MASK) | (regs->eflags & VM_MASK)) >= USER_RPL;
+}
+static inline int v8086_mode(struct pt_regs *regs)
+{
+	return (regs->eflags & VM_MASK);
+}
+
+#define instruction_pointer(regs) ((regs)->eip)
+#define frame_pointer(regs) ((regs)->ebp)
+#define stack_pointer(regs) ((regs)->esp)
+#define regs_return_value(regs) ((regs)->eax)
+
+extern unsigned long profile_pc(struct pt_regs *regs);
+#endif /* __KERNEL__ */
+
+#else /* __i386__ */
+
+struct pt_regs {
+	unsigned long r15;
+	unsigned long r14;
+	unsigned long r13;
+	unsigned long r12;
+	unsigned long rbp;
+	unsigned long rbx;
+/* arguments: non interrupts/non tracing syscalls only save upto here*/
+	unsigned long r11;
+	unsigned long r10;
+	unsigned long r9;
+	unsigned long r8;
+	unsigned long rax;
+	unsigned long rcx;
+	unsigned long rdx;
+	unsigned long rsi;
+	unsigned long rdi;
+	unsigned long orig_rax;
+/* end of arguments */
+/* cpu exception frame or undefined */
+	unsigned long rip;
+	unsigned long cs;
+	unsigned long eflags;
+	unsigned long rsp;
+	unsigned long ss;
+/* top of stack page */
+};
+
+#ifdef __KERNEL__
+
+#define user_mode(regs) (!!((regs)->cs & 3))
+#define user_mode_vm(regs) user_mode(regs)
+#define instruction_pointer(regs) ((regs)->rip)
+#define frame_pointer(regs) ((regs)->rbp)
+#define stack_pointer(regs) ((regs)->rsp)
+#define regs_return_value(regs) ((regs)->rax)
+
+extern unsigned long profile_pc(struct pt_regs *regs);
+void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
+
+struct task_struct;
+
+extern unsigned long
+convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs);
+
+enum {
+	EF_CF   = 0x00000001,
+	EF_PF   = 0x00000004,
+	EF_AF   = 0x00000010,
+	EF_ZF   = 0x00000040,
+	EF_SF   = 0x00000080,
+	EF_TF   = 0x00000100,
+	EF_IE   = 0x00000200,
+	EF_DF   = 0x00000400,
+	EF_OF   = 0x00000800,
+	EF_IOPL = 0x00003000,
+	EF_IOPL_RING0 = 0x00000000,
+	EF_IOPL_RING1 = 0x00001000,
+	EF_IOPL_RING2 = 0x00002000,
+	EF_NT   = 0x00004000,   /* nested task */
+	EF_RF   = 0x00010000,   /* resume */
+	EF_VM   = 0x00020000,   /* virtual mode */
+	EF_AC   = 0x00040000,   /* alignment */
+	EF_VIF  = 0x00080000,   /* virtual interrupt */
+	EF_VIP  = 0x00100000,   /* virtual interrupt pending */
+	EF_ID   = 0x00200000,   /* id */
+};
+#endif /* __KERNEL__ */
+#endif /* !__i386__ */
+#endif /* !__ASSEMBLY__ */
+
 #endif

include/asm-x86/ptrace_32.h

···
-#ifndef _I386_PTRACE_H
-#define _I386_PTRACE_H
-
-#include <asm/ptrace-abi.h>
-
-/* this struct defines the way the registers are stored on the 
-   stack during a system call. */
-
-struct pt_regs {
-	long ebx;
-	long ecx;
-	long edx;
-	long esi;
-	long edi;
-	long ebp;
-	long eax;
-	int  xds;
-	int  xes;
-	int  xfs;
-	/* int  xgs; */
-	long orig_eax;
-	long eip;
-	int  xcs;
-	long eflags;
-	long esp;
-	int  xss;
-};
-
-#ifdef __KERNEL__
-
-#include <asm/vm86.h>
-#include <asm/segment.h>
-
-struct task_struct;
-extern void send_sigtrap(struct task_struct *tsk, struct pt_regs *regs, int error_code);
-
-/*
- * user_mode_vm(regs) determines whether a register set came from user mode.
- * This is true if V8086 mode was enabled OR if the register set was from
- * protected mode with RPL-3 CS value.  This tricky test checks that with
- * one comparison.  Many places in the kernel can bypass this full check
- * if they have already ruled out V8086 mode, so user_mode(regs) can be used.
- */
-static inline int user_mode(struct pt_regs *regs)
-{
-	return (regs->xcs & SEGMENT_RPL_MASK) == USER_RPL;
-}
-static inline int user_mode_vm(struct pt_regs *regs)
-{
-	return ((regs->xcs & SEGMENT_RPL_MASK) | (regs->eflags & VM_MASK)) >= USER_RPL;
-}
-static inline int v8086_mode(struct pt_regs *regs)
-{
-	return (regs->eflags & VM_MASK);
-}
-
-#define instruction_pointer(regs) ((regs)->eip)
-#define frame_pointer(regs) ((regs)->ebp)
-#define stack_pointer(regs) ((regs)->esp)
-#define regs_return_value(regs) ((regs)->eax)
-
-extern unsigned long profile_pc(struct pt_regs *regs);
-#endif /* __KERNEL__ */
-
-#endif

include/asm-x86/ptrace_64.h

···
-#ifndef _X86_64_PTRACE_H
-#define _X86_64_PTRACE_H
-
-#include <linux/compiler.h>	/* For __user */
-#include <asm/ptrace-abi.h>
-
-#ifndef __ASSEMBLY__
-
-struct pt_regs {
-	unsigned long r15;
-	unsigned long r14;
-	unsigned long r13;
-	unsigned long r12;
-	unsigned long rbp;
-	unsigned long rbx;
-/* arguments: non interrupts/non tracing syscalls only save upto here*/
- 	unsigned long r11;
-	unsigned long r10;
-	unsigned long r9;
-	unsigned long r8;
-	unsigned long rax;
-	unsigned long rcx;
-	unsigned long rdx;
-	unsigned long rsi;
-	unsigned long rdi;
-	unsigned long orig_rax;
-/* end of arguments */
-/* cpu exception frame or undefined */
-	unsigned long rip;
-	unsigned long cs;
-	unsigned long eflags;
-	unsigned long rsp;
-	unsigned long ss;
-/* top of stack page */
-};
-
-#endif
-
-#if defined(__KERNEL__) && !defined(__ASSEMBLY__) 
-#define user_mode(regs) (!!((regs)->cs & 3))
-#define user_mode_vm(regs) user_mode(regs)
-#define instruction_pointer(regs) ((regs)->rip)
-#define frame_pointer(regs) ((regs)->rbp)
-#define stack_pointer(regs) ((regs)->rsp)
-#define regs_return_value(regs) ((regs)->rax)
-
-extern unsigned long profile_pc(struct pt_regs *regs);
-void signal_fault(struct pt_regs *regs, void __user *frame, char *where);
-
-struct task_struct;
-
-extern unsigned long
-convert_rip_to_linear(struct task_struct *child, struct pt_regs *regs);
-
-enum {
-        EF_CF   = 0x00000001,
-        EF_PF   = 0x00000004,
-        EF_AF   = 0x00000010,
-        EF_ZF   = 0x00000040,
-        EF_SF   = 0x00000080,
-        EF_TF   = 0x00000100,
-        EF_IE   = 0x00000200,
-        EF_DF   = 0x00000400,
-        EF_OF   = 0x00000800,
-        EF_IOPL = 0x00003000,
-        EF_IOPL_RING0 = 0x00000000,
-        EF_IOPL_RING1 = 0x00001000,
-        EF_IOPL_RING2 = 0x00002000,
-        EF_NT   = 0x00004000,   /* nested task */
-        EF_RF   = 0x00010000,   /* resume */
-        EF_VM   = 0x00020000,   /* virtual mode */
-        EF_AC   = 0x00040000,   /* alignment */
-        EF_VIF  = 0x00080000,   /* virtual interrupt */
-        EF_VIP  = 0x00100000,   /* virtual interrupt pending */
-        EF_ID   = 0x00200000,   /* id */
-};
-
-#endif
-
-#endif

include/asm-x86/required-features.h

···
-#ifdef CONFIG_X86_32
-# include "required-features_32.h"
+#ifndef _ASM_REQUIRED_FEATURES_H
+#define _ASM_REQUIRED_FEATURES_H 1
+
+/* Define minimum CPUID feature set for kernel These bits are checked
+   really early to actually display a visible error message before the
+   kernel dies.  Make sure to assign features to the proper mask!
+
+   Some requirements that are not in CPUID yet are also in the
+   CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too.
+
+   The real information is in arch/x86/Kconfig.cpu, this just converts
+   the CONFIGs into a bitmask */
+
+#ifndef CONFIG_MATH_EMULATION
+# define NEED_FPU	(1<<(X86_FEATURE_FPU & 31))
 #else
-# include "required-features_64.h"
+# define NEED_FPU	0
+#endif
+
+#if defined(CONFIG_X86_PAE) || defined(CONFIG_X86_64)
+# define NEED_PAE	(1<<(X86_FEATURE_PAE & 31))
+# define NEED_CX8	(1<<(X86_FEATURE_CX8 & 31))
+#else
+# define NEED_PAE	0
+# define NEED_CX8	0
+#endif
+
+#if defined(CONFIG_X86_CMOV) || defined(CONFIG_X86_64)
+# define NEED_CMOV	(1<<(X86_FEATURE_CMOV & 31))
+#else
+# define NEED_CMOV	0
+#endif
+
+#ifdef CONFIG_X86_USE_3DNOW
+# define NEED_3DNOW	(1<<(X86_FEATURE_3DNOW & 31))
+#else
+# define NEED_3DNOW	0
+#endif
+
+#ifdef CONFIG_X86_64
+#define NEED_PSE	(1<<(X86_FEATURE_PSE & 31))
+#define NEED_MSR	(1<<(X86_FEATURE_MSR & 31))
+#define NEED_PGE	(1<<(X86_FEATURE_PGE & 31))
+#define NEED_FXSR	(1<<(X86_FEATURE_FXSR & 31))
+#define NEED_XMM	(1<<(X86_FEATURE_XMM & 31))
+#define NEED_XMM2	(1<<(X86_FEATURE_XMM2 & 31))
+#define NEED_LM		(1<<(X86_FEATURE_LM & 31))
+#else
+#define NEED_PSE	0
+#define NEED_MSR	0
+#define NEED_PGE	0
+#define NEED_FXSR	0
+#define NEED_XMM	0
+#define NEED_XMM2	0
+#define NEED_LM		0
+#endif
+
+#define REQUIRED_MASK0	(NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\
+			 NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\
+			 NEED_XMM|NEED_XMM2)
+#define SSE_MASK	(NEED_XMM|NEED_XMM2)
+
+#define REQUIRED_MASK1	(NEED_LM|NEED_3DNOW)
+
+#define REQUIRED_MASK2	0
+#define REQUIRED_MASK3	0
+#define REQUIRED_MASK4	0
+#define REQUIRED_MASK5	0
+#define REQUIRED_MASK6	0
+#define REQUIRED_MASK7	0
+
 #endif

include/asm-x86/required-features_32.h

···
-#ifndef _ASM_REQUIRED_FEATURES_H
-#define _ASM_REQUIRED_FEATURES_H 1
-
-/* Define minimum CPUID feature set for kernel These bits are checked
-   really early to actually display a visible error message before the
-   kernel dies.  Make sure to assign features to the proper mask!
-
-   Some requirements that are not in CPUID yet are also in the
-   CONFIG_X86_MINIMUM_CPU_FAMILY which is checked too.
-
-   The real information is in arch/i386/Kconfig.cpu, this just converts
-   the CONFIGs into a bitmask */
-
-#ifndef CONFIG_MATH_EMULATION
-# define NEED_FPU	(1<<(X86_FEATURE_FPU & 31))
-#else
-# define NEED_FPU	0
-#endif
-
-#ifdef CONFIG_X86_PAE
-# define NEED_PAE	(1<<(X86_FEATURE_PAE & 31))
-#else
-# define NEED_PAE	0
-#endif
-
-#ifdef CONFIG_X86_CMOV
-# define NEED_CMOV	(1<<(X86_FEATURE_CMOV & 31))
-#else
-# define NEED_CMOV	0
-#endif
-
-#ifdef CONFIG_X86_PAE
-# define NEED_CX8	(1<<(X86_FEATURE_CX8 & 31))
-#else
-# define NEED_CX8	0
-#endif
-
-#define REQUIRED_MASK0	(NEED_FPU|NEED_PAE|NEED_CMOV|NEED_CX8)
-
-#ifdef CONFIG_X86_USE_3DNOW
-# define NEED_3DNOW	(1<<(X86_FEATURE_3DNOW & 31))
-#else
-# define NEED_3DNOW	0
-#endif
-
-#define REQUIRED_MASK1	(NEED_3DNOW)
-
-#define REQUIRED_MASK2	0
-#define REQUIRED_MASK3	0
-#define REQUIRED_MASK4	0
-#define REQUIRED_MASK5	0
-#define REQUIRED_MASK6	0
-#define REQUIRED_MASK7	0
-
-#endif

include/asm-x86/required-features_64.h

···
-#ifndef _ASM_REQUIRED_FEATURES_H
-#define _ASM_REQUIRED_FEATURES_H 1
-
-/* Define minimum CPUID feature set for kernel These bits are checked
-   really early to actually display a visible error message before the
-   kernel dies.  Make sure to assign features to the proper mask!
-
-   The real information is in arch/x86_64/Kconfig.cpu, this just converts
-   the CONFIGs into a bitmask */
-
-/* x86-64 baseline features */
-#define NEED_FPU	(1<<(X86_FEATURE_FPU & 31))
-#define NEED_PSE	(1<<(X86_FEATURE_PSE & 31))
-#define NEED_MSR	(1<<(X86_FEATURE_MSR & 31))
-#define NEED_PAE	(1<<(X86_FEATURE_PAE & 31))
-#define NEED_CX8	(1<<(X86_FEATURE_CX8 & 31))
-#define NEED_PGE	(1<<(X86_FEATURE_PGE & 31))
-#define NEED_FXSR	(1<<(X86_FEATURE_FXSR & 31))
-#define NEED_CMOV	(1<<(X86_FEATURE_CMOV & 31))
-#define NEED_XMM	(1<<(X86_FEATURE_XMM & 31))
-#define NEED_XMM2	(1<<(X86_FEATURE_XMM2 & 31))
-
-#define REQUIRED_MASK0	(NEED_FPU|NEED_PSE|NEED_MSR|NEED_PAE|\
-			 NEED_CX8|NEED_PGE|NEED_FXSR|NEED_CMOV|\
-			 NEED_XMM|NEED_XMM2)
-#define SSE_MASK	(NEED_XMM|NEED_XMM2)
-
-/* x86-64 baseline features */
-#define NEED_LM		(1<<(X86_FEATURE_LM & 31))
-
-#ifdef CONFIG_X86_USE_3DNOW
-# define NEED_3DNOW	(1<<(X86_FEATURE_3DNOW & 31))
-#else
-# define NEED_3DNOW	0
-#endif
-
-#define REQUIRED_MASK1	(NEED_LM|NEED_3DNOW)
-
-#define REQUIRED_MASK2	0
-#define REQUIRED_MASK3	0
-#define REQUIRED_MASK4	0
-#define REQUIRED_MASK5	0
-#define REQUIRED_MASK6	0
-#define REQUIRED_MASK7	0
-
-#endif

include/asm-x86/setup.h

···
+#ifndef _ASM_X86_SETUP_H
+#define _ASM_X86_SETUP_H
+
+#define COMMAND_LINE_SIZE 2048
+
 #ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "setup_32.h"
-# else
-#  include "setup_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "setup_32.h"
-# else
-#  include "setup_64.h"
-# endif
+
+#ifdef __i386__
+
+#include <linux/pfn.h>
+/*
+ * Reserved space for vmalloc and iomap - defined in asm/page.h
+ */
+#define MAXMEM_PFN	PFN_DOWN(MAXMEM)
+#define MAX_NONPAE_PFN	(1 << 20)
+
+#endif /* __i386__ */
+
+#define PARAM_SIZE 4096		/* sizeof(struct boot_params) */
+
+#define OLD_CL_MAGIC		0xA33F
+#define OLD_CL_ADDRESS		0x020	/* Relative to real mode data */
+#define NEW_CL_POINTER		0x228	/* Relative to real mode data */
+
+#ifndef __ASSEMBLY__
+#include <asm/bootparam.h>
+
+#ifndef _SETUP
+
+/*
+ * This is set up by the setup-routine at boot-time
+ */
+extern struct boot_params boot_params;
+
+#ifdef __i386__
+/*
+ * Do NOT EVER look at the BIOS memory size location.
+ * It does not work on many machines.
+ */
+#define LOWMEMSIZE()	(0x9f000)
+
+struct e820entry;
+
+char * __init machine_specific_memory_setup(void);
+char *memory_setup(void);
+
+int __init copy_e820_map(struct e820entry * biosmap, int nr_map);
+int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map);
+void __init add_memory_region(unsigned long long start,
+			      unsigned long long size, int type);
+
+extern unsigned long init_pg_tables_end;
+
+#ifndef CONFIG_PARAVIRT
+#define paravirt_post_allocator_init()	do {} while (0)
 #endif
+
+#endif /* __i386__ */
+#endif /* _SETUP */
+#endif /* __ASSEMBLY__ */
+#endif  /*  __KERNEL__  */
+
+#endif /* _ASM_X86_SETUP_H */

include/asm-x86/setup_32.h

···
-/*
- *	Just a place holder. We don't want to have to test x86 before
- *	we include stuff
- */
-
-#ifndef _i386_SETUP_H
-#define _i386_SETUP_H
-
-#define COMMAND_LINE_SIZE 2048
-
-#ifdef __KERNEL__
-#include <linux/pfn.h>
-
-/*
- * Reserved space for vmalloc and iomap - defined in asm/page.h
- */
-#define MAXMEM_PFN	PFN_DOWN(MAXMEM)
-#define MAX_NONPAE_PFN	(1 << 20)
-
-#define PARAM_SIZE 4096
-
-#define OLD_CL_MAGIC_ADDR	0x90020
-#define OLD_CL_MAGIC		0xA33F
-#define OLD_CL_BASE_ADDR	0x90000
-#define OLD_CL_OFFSET		0x90022
-#define NEW_CL_POINTER		0x228	/* Relative to real mode data */
-
-#ifndef __ASSEMBLY__
-
-#include <asm/bootparam.h>
-
-/*
- * This is set up by the setup-routine at boot-time
- */
-extern struct boot_params boot_params;
-
-/*
- * Do NOT EVER look at the BIOS memory size location.
- * It does not work on many machines.
- */
-#define LOWMEMSIZE()	(0x9f000)
-
-struct e820entry;
-
-char * __init machine_specific_memory_setup(void);
-char *memory_setup(void);
-
-int __init copy_e820_map(struct e820entry * biosmap, int nr_map);
-int __init sanitize_e820_map(struct e820entry * biosmap, char * pnr_map);
-void __init add_memory_region(unsigned long long start,
-			      unsigned long long size, int type);
-
-extern unsigned long init_pg_tables_end;
-
-#ifndef CONFIG_PARAVIRT
-#define paravirt_post_allocator_init()	do {} while (0)
-#endif
-
-#endif /* __ASSEMBLY__ */
-
-#endif  /*  __KERNEL__  */
-
-#endif /* _i386_SETUP_H */

include/asm-x86/setup_64.h

···
-#ifndef _x8664_SETUP_H
-#define _x8664_SETUP_H
-
-#define COMMAND_LINE_SIZE	2048
-
-#ifdef __KERNEL__
-
-#ifndef __ASSEMBLY__
-#include <asm/bootparam.h>
-
-/*
- * This is set up by the setup-routine at boot-time
- */
-extern struct boot_params boot_params;
-
-#endif /* not __ASSEMBLY__ */
-#endif /* __KERNEL__ */
-
-#endif

include/asm-x86/shmbuf.h

···
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "shmbuf_32.h"
-# else
-#  include "shmbuf_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "shmbuf_32.h"
-# else
-#  include "shmbuf_64.h"
-# endif
+#ifndef _ASM_X86_SHMBUF_H
+#define _ASM_X86_SHMBUF_H
+
+/*
+ * The shmid64_ds structure for x86 architecture.
+ * Note extra padding because this structure is passed back and forth
+ * between kernel and user space.
+ *
+ * Pad space on 32 bit is left for:
+ * - 64-bit time_t to solve y2038 problem
+ * - 2 miscellaneous 32-bit values
+ *
+ * Pad space on 64 bit is left for:
+ * - 2 miscellaneous 64-bit values
+ */
+
+struct shmid64_ds {
+	struct ipc64_perm	shm_perm;	/* operation perms */
+	size_t			shm_segsz;	/* size of segment (bytes) */
+	__kernel_time_t		shm_atime;	/* last attach time */
+#ifdef __i386__
+	unsigned long		__unused1;
 #endif
+	__kernel_time_t		shm_dtime;	/* last detach time */
+#ifdef __i386__
+	unsigned long		__unused2;
+#endif
+	__kernel_time_t		shm_ctime;	/* last change time */
+#ifdef __i386__
+	unsigned long		__unused3;
+#endif
+	__kernel_pid_t		shm_cpid;	/* pid of creator */
+	__kernel_pid_t		shm_lpid;	/* pid of last operator */
+	unsigned long		shm_nattch;	/* no. of current attaches */
+	unsigned long		__unused4;
+	unsigned long		__unused5;
+};
+
+struct shminfo64 {
+	unsigned long	shmmax;
+	unsigned long	shmmin;
+	unsigned long	shmmni;
+	unsigned long	shmseg;
+	unsigned long	shmall;
+	unsigned long	__unused1;
+	unsigned long	__unused2;
+	unsigned long	__unused3;
+	unsigned long	__unused4;
+};
+
+#endif /* _ASM_X86_SHMBUF_H */

include/asm-x86/shmbuf_32.h

···
-#ifndef _I386_SHMBUF_H
-#define _I386_SHMBUF_H
-
-/* 
- * The shmid64_ds structure for i386 architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 64-bit time_t to solve y2038 problem
- * - 2 miscellaneous 32-bit values
- */
-
-struct shmid64_ds {
-	struct ipc64_perm	shm_perm;	/* operation perms */
-	size_t			shm_segsz;	/* size of segment (bytes) */
-	__kernel_time_t		shm_atime;	/* last attach time */
-	unsigned long		__unused1;
-	__kernel_time_t		shm_dtime;	/* last detach time */
-	unsigned long		__unused2;
-	__kernel_time_t		shm_ctime;	/* last change time */
-	unsigned long		__unused3;
-	__kernel_pid_t		shm_cpid;	/* pid of creator */
-	__kernel_pid_t		shm_lpid;	/* pid of last operator */
-	unsigned long		shm_nattch;	/* no. of current attaches */
-	unsigned long		__unused4;
-	unsigned long		__unused5;
-};
-
-struct shminfo64 {
-	unsigned long	shmmax;
-	unsigned long	shmmin;
-	unsigned long	shmmni;
-	unsigned long	shmseg;
-	unsigned long	shmall;
-	unsigned long	__unused1;
-	unsigned long	__unused2;
-	unsigned long	__unused3;
-	unsigned long	__unused4;
-};
-
-#endif /* _I386_SHMBUF_H */

include/asm-x86/shmbuf_64.h

···
-#ifndef _X8664_SHMBUF_H
-#define _X8664_SHMBUF_H
-
-/* 
- * The shmid64_ds structure for x8664 architecture.
- * Note extra padding because this structure is passed back and forth
- * between kernel and user space.
- *
- * Pad space is left for:
- * - 2 miscellaneous 64-bit values
- */
-
-struct shmid64_ds {
-	struct ipc64_perm	shm_perm;	/* operation perms */
-	size_t			shm_segsz;	/* size of segment (bytes) */
-	__kernel_time_t		shm_atime;	/* last attach time */
-	__kernel_time_t		shm_dtime;	/* last detach time */
-	__kernel_time_t		shm_ctime;	/* last change time */
-	__kernel_pid_t		shm_cpid;	/* pid of creator */
-	__kernel_pid_t		shm_lpid;	/* pid of last operator */
-	unsigned long		shm_nattch;	/* no. of current attaches */
-	unsigned long		__unused4;
-	unsigned long		__unused5;
-};
-
-struct shminfo64 {
-	unsigned long	shmmax;
-	unsigned long	shmmin;
-	unsigned long	shmmni;
-	unsigned long	shmseg;
-	unsigned long	shmall;
-	unsigned long	__unused1;
-	unsigned long	__unused2;
-	unsigned long	__unused3;
-	unsigned long	__unused4;
-};
-
-#endif

include/asm-x86/sigcontext.h

···
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "sigcontext_32.h"
-# else
-#  include "sigcontext_64.h"
-# endif
-#else
-# ifdef __i386__
-#  include "sigcontext_32.h"
-# else
-#  include "sigcontext_64.h"
-# endif
+#ifndef _ASM_X86_SIGCONTEXT_H
+#define _ASM_X86_SIGCONTEXT_H
+
+#include <linux/compiler.h>
+#include <asm/types.h>
+
+#ifdef __i386__
+/*
+ * As documented in the iBCS2 standard..
+ *
+ * The first part of "struct _fpstate" is just the normal i387
+ * hardware setup, the extra "status" word is used to save the
+ * coprocessor status word before entering the handler.
+ *
+ * Pentium III FXSR, SSE support
+ *	Gareth Hughes <[e-mail]>, May 2000
+ *
+ * The FPU state data structure has had to grow to accommodate the
+ * extended FPU state required by the Streaming SIMD Extensions.
+ * There is no documented standard to accomplish this at the moment.
+ */
+struct _fpreg {
+	unsigned short significand[4];
+	unsigned short exponent;
+};
+
+struct _fpxreg {
+	unsigned short significand[4];
+	unsigned short exponent;
+	unsigned short padding[3];
+};
+
+struct _xmmreg {
+	unsigned long element[4];
+};
+
+struct _fpstate {
+	/* Regular FPU environment */
+	unsigned long	cw;
+	unsigned long	sw;
+	unsigned long	tag;
+	unsigned long	ipoff;
+	unsigned long	cssel;
+	unsigned long	dataoff;
+	unsigned long	datasel;
+	struct _fpreg	_st[8];
+	unsigned short	status;
+	unsigned short	magic;		/* 0xffff = regular FPU data only */
+
+	/* FXSR FPU environment */
+	unsigned long	_fxsr_env[6];	/* FXSR FPU env is ignored */
+	unsigned long	mxcsr;
+	unsigned long	reserved;
+	struct _fpxreg	_fxsr_st[8];	/* FXSR FPU reg data is ignored */
+	struct _xmmreg	_xmm[8];
+	unsigned long	padding[56];
+};
+
+#define X86_FXSR_MAGIC		0x0000
+
+struct sigcontext {
+	unsigned short gs, __gsh;
+	unsigned short fs, __fsh;
+	unsigned short es, __esh;
+	unsigned short ds, __dsh;
+	unsigned long edi;
+	unsigned long esi;
+	unsigned long ebp;
+	unsigned long esp;
+	unsigned long ebx;
+	unsigned long edx;
+	unsigned long ecx;
+	unsigned long eax;
+	unsigned long trapno;
+	unsigned long err;
+	unsigned long eip;
+	unsigned short cs, __csh;
+	unsigned long eflags;
+	unsigned long esp_at_signal;
+	unsigned short ss, __ssh;
+	struct _fpstate __user * fpstate;
+	unsigned long oldmask;
+	unsigned long cr2;
+};
+
+#else /* __i386__ */
+
+/* FXSAVE frame */
+/* Note: reserved1/2 may someday contain valuable data. Always save/restore
+   them when you change signal frames. */
+struct _fpstate {
+	__u16	cwd;
+	__u16	swd;
+	__u16	twd;	/* Note this is not the same as the 32bit/x87/FSAVE twd */
+	__u16	fop;
+	__u64	rip;
+	__u64	rdp;
+	__u32	mxcsr;
+	__u32	mxcsr_mask;
+	__u32	st_space[32];	/* 8*16 bytes for each FP-reg */
+	__u32	xmm_space[64];	/* 16*16 bytes for each XMM-reg  */
+	__u32	reserved2[24];
+};
+
+struct sigcontext {
+	unsigned long r8;
+	unsigned long r9;
+	unsigned long r10;
+	unsigned long r11;
+	unsigned long r12;
+	unsigned long r13;
+	unsigned long r14;
+	unsigned long r15;
+	unsigned long rdi;
+	unsigned long rsi;
+	unsigned long rbp;
+	unsigned long rbx;
+	unsigned long rdx;
+	unsigned long rax;
+	unsigned long rcx;
+	unsigned long rsp;
+	unsigned long rip;
+	unsigned long eflags;		/* RFLAGS */
+	unsigned short cs;
+	unsigned short gs;
+	unsigned short fs;
+	unsigned short __pad0;
+	unsigned long err;
+	unsigned long trapno;
+	unsigned long oldmask;
+	unsigned long cr2;
+	struct _fpstate __user *fpstate;	/* zero when no FPU context */
+	unsigned long reserved1[8];
+};
+
+#endif /* !__i386__ */
+
 #endif

include/asm-x86/sigcontext_32.h

···
-#ifndef _ASMi386_SIGCONTEXT_H
-#define _ASMi386_SIGCONTEXT_H
-
-#include <linux/compiler.h>
-
-/*
- * As documented in the iBCS2 standard..
- *
- * The first part of "struct _fpstate" is just the normal i387
- * hardware setup, the extra "status" word is used to save the
- * coprocessor status word before entering the handler.
- *
- * Pentium III FXSR, SSE support
- *	Gareth Hughes <[e-mail]>, May 2000
- *
- * The FPU state data structure has had to grow to accommodate the
- * extended FPU state required by the Streaming SIMD Extensions.
- * There is no documented standard to accomplish this at the moment.
- */
-struct _fpreg {
-	unsigned short significand[4];
-	unsigned short exponent;
-};
-
-struct _fpxreg {
-	unsigned short significand[4];
-	unsigned short exponent;
-	unsigned short padding[3];
-};
-
-struct _xmmreg {
-	unsigned long element[4];
-};
-
-struct _fpstate {
-	/* Regular FPU environment */
-	unsigned long 	cw;
-	unsigned long	sw;
-	unsigned long	tag;
-	unsigned long	ipoff;
-	unsigned long	cssel;
-	unsigned long	dataoff;
-	unsigned long	datasel;
-	struct _fpreg	_st[8];
-	unsigned short	status;
-	unsigned short	magic;		/* 0xffff = regular FPU data only */
-
-	/* FXSR FPU environment */
-	unsigned long	_fxsr_env[6];	/* FXSR FPU env is ignored */
-	unsigned long	mxcsr;
-	unsigned long	reserved;
-	struct _fpxreg	_fxsr_st[8];	/* FXSR FPU reg data is ignored */
-	struct _xmmreg	_xmm[8];
-	unsigned long	padding[56];
-};
-
-#define X86_FXSR_MAGIC		0x0000
-
-struct sigcontext {
-	unsigned short gs, __gsh;
-	unsigned short fs, __fsh;
-	unsigned short es, __esh;
-	unsigned short ds, __dsh;
-	unsigned long edi;
-	unsigned long esi;
-	unsigned long ebp;
-	unsigned long esp;
-	unsigned long ebx;
-	unsigned long edx;
-	unsigned long ecx;
-	unsigned long eax;
-	unsigned long trapno;
-	unsigned long err;
-	unsigned long eip;
-	unsigned short cs, __csh;
-	unsigned long eflags;
-	unsigned long esp_at_signal;
-	unsigned short ss, __ssh;
-	struct _fpstate __user * fpstate;
-	unsigned long oldmask;
-	unsigned long cr2;
-};
-
-
-#endif

include/asm-x86/sigcontext_64.h

···
-#ifndef _ASM_X86_64_SIGCONTEXT_H
-#define _ASM_X86_64_SIGCONTEXT_H
-
-#include <asm/types.h>
-#include <linux/compiler.h>
-
-/* FXSAVE frame */
-/* Note: reserved1/2 may someday contain valuable data. Always save/restore
-   them when you change signal frames. */
-struct _fpstate {
-	__u16	cwd;
-	__u16	swd;
-	__u16	twd;	/* Note this is not the same as the 32bit/x87/FSAVE twd */
-	__u16	fop;
-	__u64	rip;
-	__u64	rdp; 
-	__u32	mxcsr;
-	__u32	mxcsr_mask;
-	__u32	st_space[32];	/* 8*16 bytes for each FP-reg */
-	__u32	xmm_space[64];	/* 16*16 bytes for each XMM-reg  */
-	__u32	reserved2[24];
-};
-
-struct sigcontext { 
-	unsigned long r8;
-	unsigned long r9;
-	unsigned long r10;
-	unsigned long r11;
-	unsigned long r12;
-	unsigned long r13;
-	unsigned long r14;
-	unsigned long r15;
-	unsigned long rdi;
-	unsigned long rsi;
-	unsigned long rbp;
-	unsigned long rbx;
-	unsigned long rdx;
-	unsigned long rax;
-	unsigned long rcx;
-	unsigned long rsp;
-	unsigned long rip;
-	unsigned long eflags;		/* RFLAGS */
-	unsigned short cs;
-	unsigned short gs;
-	unsigned short fs;
-	unsigned short __pad0; 
-	unsigned long err;
-	unsigned long trapno;
-	unsigned long oldmask;
-	unsigned long cr2;
-	struct _fpstate __user *fpstate;	/* zero when no FPU context */
-	unsigned long reserved1[8];
-};
-
-#endif

include/asm-x86/signal.h

···
+#ifndef _ASM_X86_SIGNAL_H
+#define _ASM_X86_SIGNAL_H
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#include <linux/time.h>
+#include <linux/compiler.h>
+
+/* Avoid too many header ordering problems.  */
+struct siginfo;
+
 #ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "signal_32.h"
-# else
-#  include "signal_64.h"
-# endif
+#include <linux/linkage.h>
+
+/* Most things should be clean enough to redefine this at will, if care
+   is taken to make libc match.  */
+
+#define _NSIG		64
+
+#ifdef __i386__
+# define _NSIG_BPW	32
 #else
-# ifdef __i386__
-#  include "signal_32.h"
-# else
-#  include "signal_64.h"
-# endif
+# define _NSIG_BPW	64
+#endif
+
+#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
+
+typedef unsigned long old_sigset_t;		/* at least 32 bits */
+
+typedef struct {
+	unsigned long sig[_NSIG_WORDS];
+} sigset_t;
+
+#else
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+#define NSIG		32
+typedef unsigned long sigset_t;
+
+#endif /* __KERNEL__ */
+#endif /* __ASSEMBLY__ */
+
+#define SIGHUP		 1
+#define SIGINT		 2
+#define SIGQUIT		 3
+#define SIGILL		 4
+#define SIGTRAP		 5
+#define SIGABRT		 6
+#define SIGIOT		 6
+#define SIGBUS		 7
+#define SIGFPE		 8
+#define SIGKILL		 9
+#define SIGUSR1		10
+#define SIGSEGV		11
+#define SIGUSR2		12
+#define SIGPIPE		13
+#define SIGALRM		14
+#define SIGTERM		15
+#define SIGSTKFLT	16
+#define SIGCHLD		17
+#define SIGCONT		18
+#define SIGSTOP		19
+#define SIGTSTP		20
+#define SIGTTIN		21
+#define SIGTTOU		22
+#define SIGURG		23
+#define SIGXCPU		24
+#define SIGXFSZ		25
+#define SIGVTALRM	26
+#define SIGPROF		27
+#define SIGWINCH	28
+#define SIGIO		29
+#define SIGPOLL		SIGIO
+/*
+#define SIGLOST		29
+*/
+#define SIGPWR		30
+#define SIGSYS		31
+#define	SIGUNUSED	31
+
+/* These should not be considered constants from userland.  */
+#define SIGRTMIN	32
+#define SIGRTMAX	_NSIG
+
+/*
+ * SA_FLAGS values:
+ *
+ * SA_ONSTACK indicates that a registered stack_t will be used.
+ * SA_RESTART flag to get restarting signals (which were the default long ago)
+ * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
+ * SA_RESETHAND clears the handler when the signal is delivered.
+ * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
+ * SA_NODEFER prevents the current signal from being masked in the handler.
+ *
+ * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
+ * Unix names RESETHAND and NODEFER respectively.
+ */
+#define SA_NOCLDSTOP	0x00000001u
+#define SA_NOCLDWAIT	0x00000002u
+#define SA_SIGINFO	0x00000004u
+#define SA_ONSTACK	0x08000000u
+#define SA_RESTART	0x10000000u
+#define SA_NODEFER	0x40000000u
+#define SA_RESETHAND	0x80000000u
+
+#define SA_NOMASK	SA_NODEFER
+#define SA_ONESHOT	SA_RESETHAND
+
+#define SA_RESTORER	0x04000000
+
+/*
+ * sigaltstack controls
+ */
+#define SS_ONSTACK	1
+#define SS_DISABLE	2
+
+#define MINSIGSTKSZ	2048
+#define SIGSTKSZ	8192
+
+#include <asm-generic/signal.h>
+
+#ifndef __ASSEMBLY__
+
+#ifdef __i386__
+# ifdef __KERNEL__
+struct old_sigaction {
+	__sighandler_t sa_handler;
+	old_sigset_t sa_mask;
+	unsigned long sa_flags;
+	__sigrestore_t sa_restorer;
+};
+
+struct sigaction {
+	__sighandler_t sa_handler;
+	unsigned long sa_flags;
+	__sigrestore_t sa_restorer;
+	sigset_t sa_mask;		/* mask last for extensibility */
+};
+
+struct k_sigaction {
+	struct sigaction sa;
+};
+# else /* __KERNEL__ */
+/* Here we must cater to libcs that poke about in kernel headers.  */
+
+struct sigaction {
+	union {
+	  __sighandler_t _sa_handler;
+	  void (*_sa_sigaction)(int, struct siginfo *, void *);
+	} _u;
+	sigset_t sa_mask;
+	unsigned long sa_flags;
+	void (*sa_restorer)(void);
+};
+
+#define sa_handler	_u._sa_handler
+#define sa_sigaction	_u._sa_sigaction
+
+# endif /* ! __KERNEL__ */
+#else /* __i386__ */
+
+struct sigaction {
+	__sighandler_t sa_handler;
+	unsigned long sa_flags;
+	__sigrestore_t sa_restorer;
+	sigset_t sa_mask;		/* mask last for extensibility */
+};
+
+struct k_sigaction {
+	struct sigaction sa;
+};
+
+#endif /* !__i386__ */
+
+typedef struct sigaltstack {
+	void __user *ss_sp;
+	int ss_flags;
+	size_t ss_size;
+} stack_t;
+
+#ifdef __KERNEL__
+#include <asm/sigcontext.h>
+
+#ifdef __386__
+
+#define __HAVE_ARCH_SIG_BITOPS
+
+#define sigaddset(set,sig)		   \
+	(__builtin_constantp(sig) ?	   \
+	 __const_sigaddset((set),(sig)) :  \
+	 __gen_sigaddset((set),(sig)))
+
+static __inline__ void __gen_sigaddset(sigset_t *set, int _sig)
+{
+	__asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
+}
+
+static __inline__ void __const_sigaddset(sigset_t *set, int _sig)
+{
+	unsigned long sig = _sig - 1;
+	set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
+}
+
+#define sigdelset(set,sig)		   \
+	(__builtin_constant_p(sig) ?       \
+	 __const_sigdelset((set),(sig)) :  \
+	 __gen_sigdelset((set),(sig)))
+
+
+static __inline__ void __gen_sigdelset(sigset_t *set, int _sig)
+{
+	__asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
+}
+
+static __inline__ void __const_sigdelset(sigset_t *set, int _sig)
+{
+	unsigned long sig = _sig - 1;
+	set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
+}
+
+static __inline__ int __const_sigismember(sigset_t *set, int _sig)
+{
+	unsigned long sig = _sig - 1;
+	return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
+}
+
+static __inline__ int __gen_sigismember(sigset_t *set, int _sig)
+{
+	int ret;
+	__asm__("btl %2,%1\n\tsbbl %0,%0"
+		: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
+	return ret;
+}
+
+#define sigismember(set,sig)			\
+	(__builtin_constant_p(sig) ?		\
+	 __const_sigismember((set),(sig)) :	\
+	 __gen_sigismember((set),(sig)))
+
+static __inline__ int sigfindinword(unsigned long word)
+{
+	__asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc");
+	return word;
+}
+
+struct pt_regs;
+
+#define ptrace_signal_deliver(regs, cookie)		\
+	do {						\
+		if (current->ptrace & PT_DTRACE) {	\
+			current->ptrace &= ~PT_DTRACE;	\
+			(regs)->eflags &= ~TF_MASK;	\
+		}					\
+	} while (0)
+
+#else /* __i386__ */
+
+#undef __HAVE_ARCH_SIG_BITOPS
+
+#define ptrace_signal_deliver(regs, cookie) do { } while (0)
+
+#endif /* !__i386__ */
+#endif /* __KERNEL__ */
+#endif /* __ASSEMBLY__ */
+
 #endif

include/asm-x86/signal_32.h

···
-#ifndef _ASMi386_SIGNAL_H
-#define _ASMi386_SIGNAL_H
-
-#include <linux/types.h>
-#include <linux/time.h>
-#include <linux/compiler.h>
-
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-
-#ifdef __KERNEL__
-
-#include <linux/linkage.h>
-
-/* Most things should be clean enough to redefine this at will, if care
-   is taken to make libc match.  */
-
-#define _NSIG		64
-#define _NSIG_BPW	32
-#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
-
-typedef unsigned long old_sigset_t;		/* at least 32 bits */
-
-typedef struct {
-	unsigned long sig[_NSIG_WORDS];
-} sigset_t;
-
-#else
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-#define NSIG		32
-typedef unsigned long sigset_t;
-
-#endif /* __KERNEL__ */
-
-#define SIGHUP		 1
-#define SIGINT		 2
-#define SIGQUIT		 3
-#define SIGILL		 4
-#define SIGTRAP		 5
-#define SIGABRT		 6
-#define SIGIOT		 6
-#define SIGBUS		 7
-#define SIGFPE		 8
-#define SIGKILL		 9
-#define SIGUSR1		10
-#define SIGSEGV		11
-#define SIGUSR2		12
-#define SIGPIPE		13
-#define SIGALRM		14
-#define SIGTERM		15
-#define SIGSTKFLT	16
-#define SIGCHLD		17
-#define SIGCONT		18
-#define SIGSTOP		19
-#define SIGTSTP		20
-#define SIGTTIN		21
-#define SIGTTOU		22
-#define SIGURG		23
-#define SIGXCPU		24
-#define SIGXFSZ		25
-#define SIGVTALRM	26
-#define SIGPROF		27
-#define SIGWINCH	28
-#define SIGIO		29
-#define SIGPOLL		SIGIO
-/*
-#define SIGLOST		29
-*/
-#define SIGPWR		30
-#define SIGSYS		31
-#define	SIGUNUSED	31
-
-/* These should not be considered constants from userland.  */
-#define SIGRTMIN	32
-#define SIGRTMAX	_NSIG
-
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001u
-#define SA_NOCLDWAIT	0x00000002u
-#define SA_SIGINFO	0x00000004u
-#define SA_ONSTACK	0x08000000u
-#define SA_RESTART	0x10000000u
-#define SA_NODEFER	0x40000000u
-#define SA_RESETHAND	0x80000000u
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
-#define SA_RESTORER	0x04000000
-
-/* 
- * sigaltstack controls
- */
-#define SS_ONSTACK	1
-#define SS_DISABLE	2
-
-#define MINSIGSTKSZ	2048
-#define SIGSTKSZ	8192
-
-#include <asm-generic/signal.h>
-
-#ifdef __KERNEL__
-struct old_sigaction {
-	__sighandler_t sa_handler;
-	old_sigset_t sa_mask;
-	unsigned long sa_flags;
-	__sigrestore_t sa_restorer;
-};
-
-struct sigaction {
-	__sighandler_t sa_handler;
-	unsigned long sa_flags;
-	__sigrestore_t sa_restorer;
-	sigset_t sa_mask;		/* mask last for extensibility */
-};
-
-struct k_sigaction {
-	struct sigaction sa;
-};
-#else
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-struct sigaction {
-	union {
-	  __sighandler_t _sa_handler;
-	  void (*_sa_sigaction)(int, struct siginfo *, void *);
-	} _u;
-	sigset_t sa_mask;
-	unsigned long sa_flags;
-	void (*sa_restorer)(void);
-};
-
-#define sa_handler	_u._sa_handler
-#define sa_sigaction	_u._sa_sigaction
-
-#endif /* __KERNEL__ */
-
-typedef struct sigaltstack {
-	void __user *ss_sp;
-	int ss_flags;
-	size_t ss_size;
-} stack_t;
-
-#ifdef __KERNEL__
-#include <asm/sigcontext.h>
-
-#define __HAVE_ARCH_SIG_BITOPS
-
-#define sigaddset(set,sig)                 \
-	(__builtin_constant_p(sig) ?       \
-	__const_sigaddset((set),(sig)) :   \
-	__gen_sigaddset((set),(sig)))
-
-static __inline__ void __gen_sigaddset(sigset_t *set, int _sig)
-{
-	__asm__("btsl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
-}
-
-static __inline__ void __const_sigaddset(sigset_t *set, int _sig)
-{
-	unsigned long sig = _sig - 1;
-	set->sig[sig / _NSIG_BPW] |= 1 << (sig % _NSIG_BPW);
-}
-
-#define sigdelset(set,sig)                 \
-	(__builtin_constant_p(sig) ?       \
-	__const_sigdelset((set),(sig)) :   \
-	__gen_sigdelset((set),(sig)))
-
-
-static __inline__ void __gen_sigdelset(sigset_t *set, int _sig)
-{
-	__asm__("btrl %1,%0" : "+m"(*set) : "Ir"(_sig - 1) : "cc");
-}
-
-static __inline__ void __const_sigdelset(sigset_t *set, int _sig)
-{
-	unsigned long sig = _sig - 1;
-	set->sig[sig / _NSIG_BPW] &= ~(1 << (sig % _NSIG_BPW));
-}
-
-static __inline__ int __const_sigismember(sigset_t *set, int _sig)
-{
-	unsigned long sig = _sig - 1;
-	return 1 & (set->sig[sig / _NSIG_BPW] >> (sig % _NSIG_BPW));
-}
-
-static __inline__ int __gen_sigismember(sigset_t *set, int _sig)
-{
-	int ret;
-	__asm__("btl %2,%1\n\tsbbl %0,%0"
-		: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
-	return ret;
-}
-
-#define sigismember(set,sig)			\
-	(__builtin_constant_p(sig) ?		\
-	 __const_sigismember((set),(sig)) :	\
-	 __gen_sigismember((set),(sig)))
-
-static __inline__ int sigfindinword(unsigned long word)
-{
-	__asm__("bsfl %1,%0" : "=r"(word) : "rm"(word) : "cc");
-	return word;
-}
-
-struct pt_regs;
-
-#define ptrace_signal_deliver(regs, cookie)		\
-	do {						\
-		if (current->ptrace & PT_DTRACE) {	\
-			current->ptrace &= ~PT_DTRACE;	\
-			(regs)->eflags &= ~TF_MASK;	\
-		}					\
-	} while (0)
-
-#endif /* __KERNEL__ */
-
-#endif

include/asm-x86/signal_64.h

···
-#ifndef _ASMx8664_SIGNAL_H
-#define _ASMx8664_SIGNAL_H
-
-#ifndef __ASSEMBLY__
-#include <linux/types.h>
-#include <linux/time.h>
-
-/* Avoid too many header ordering problems.  */
-struct siginfo;
-
-#ifdef __KERNEL__
-#include <linux/linkage.h>
-/* Most things should be clean enough to redefine this at will, if care
-   is taken to make libc match.  */
-
-#define _NSIG		64
-#define _NSIG_BPW	64
-#define _NSIG_WORDS	(_NSIG / _NSIG_BPW)
-
-typedef unsigned long old_sigset_t;		/* at least 32 bits */
-
-typedef struct {
-	unsigned long sig[_NSIG_WORDS];
-} sigset_t;
-
-
-#else
-/* Here we must cater to libcs that poke about in kernel headers.  */
-
-#define NSIG		32
-typedef unsigned long sigset_t;
-
-#endif /* __KERNEL__ */
-#endif
-
-#define SIGHUP		 1
-#define SIGINT		 2
-#define SIGQUIT		 3
-#define SIGILL		 4
-#define SIGTRAP		 5
-#define SIGABRT		 6
-#define SIGIOT		 6
-#define SIGBUS		 7
-#define SIGFPE		 8
-#define SIGKILL		 9
-#define SIGUSR1		10
-#define SIGSEGV		11
-#define SIGUSR2		12
-#define SIGPIPE		13
-#define SIGALRM		14
-#define SIGTERM		15
-#define SIGSTKFLT	16
-#define SIGCHLD		17
-#define SIGCONT		18
-#define SIGSTOP		19
-#define SIGTSTP		20
-#define SIGTTIN		21
-#define SIGTTOU		22
-#define SIGURG		23
-#define SIGXCPU		24
-#define SIGXFSZ		25
-#define SIGVTALRM	26
-#define SIGPROF		27
-#define SIGWINCH	28
-#define SIGIO		29
-#define SIGPOLL		SIGIO
-/*
-#define SIGLOST		29
-*/
-#define SIGPWR		30
-#define SIGSYS		31
-#define	SIGUNUSED	31
-
-/* These should not be considered constants from userland.  */
-#define SIGRTMIN	32
-#define SIGRTMAX	_NSIG
-
-/*
- * SA_FLAGS values:
- *
- * SA_ONSTACK indicates that a registered stack_t will be used.
- * SA_RESTART flag to get restarting signals (which were the default long ago)
- * SA_NOCLDSTOP flag to turn off SIGCHLD when children stop.
- * SA_RESETHAND clears the handler when the signal is delivered.
- * SA_NOCLDWAIT flag on SIGCHLD to inhibit zombies.
- * SA_NODEFER prevents the current signal from being masked in the handler.
- *
- * SA_ONESHOT and SA_NOMASK are the historical Linux names for the Single
- * Unix names RESETHAND and NODEFER respectively.
- */
-#define SA_NOCLDSTOP	0x00000001
-#define SA_NOCLDWAIT	0x00000002
-#define SA_SIGINFO	0x00000004
-#define SA_ONSTACK	0x08000000
-#define SA_RESTART	0x10000000
-#define SA_NODEFER	0x40000000
-#define SA_RESETHAND	0x80000000
-
-#define SA_NOMASK	SA_NODEFER
-#define SA_ONESHOT	SA_RESETHAND
-
-#define SA_RESTORER	0x04000000
-
-/*
- * sigaltstack controls
- */
-#define SS_ONSTACK	1
-#define SS_DISABLE	2
-
-#define MINSIGSTKSZ	2048
-#define SIGSTKSZ	8192
-
-#include <asm-generic/signal.h>
-
-#ifndef __ASSEMBLY__
-
-struct sigaction {
-	__sighandler_t sa_handler;
-	unsigned long sa_flags;
-	__sigrestore_t sa_restorer;
-	sigset_t sa_mask;		/* mask last for extensibility */
-};
-
-struct k_sigaction {
-	struct sigaction sa;
-};
-
-typedef struct sigaltstack {
-	void __user *ss_sp;
-	int ss_flags;
-	size_t ss_size;
-} stack_t;
-
-#ifdef __KERNEL__
-#include <asm/sigcontext.h>
-
-#undef __HAVE_ARCH_SIG_BITOPS
-#if 0
-
-static inline void sigaddset(sigset_t *set, int _sig)
-{
-	__asm__("btsq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
-}
-
-static inline void sigdelset(sigset_t *set, int _sig)
-{
-	__asm__("btrq %1,%0" : "=m"(*set) : "Ir"(_sig - 1) : "cc");
-}
-
-static inline int __const_sigismember(sigset_t *set, int _sig)
-{
-	unsigned long sig = _sig - 1;
-	return 1 & (set->sig[sig / _NSIG_BPW] >> (sig & ~(_NSIG_BPW-1)));
-}
-
-static inline int __gen_sigismember(sigset_t *set, int _sig)
-{
-	int ret;
-	__asm__("btq %2,%1\n\tsbbq %0,%0"
-		: "=r"(ret) : "m"(*set), "Ir"(_sig-1) : "cc");
-	return ret;
-}
-
-#define sigismember(set,sig)			\
-	(__builtin_constant_p(sig) ?		\
-	 __const_sigismember((set),(sig)) :	\
-	 __gen_sigismember((set),(sig)))
-
-static inline int sigfindinword(unsigned long word)
-{
-	__asm__("bsfq %1,%0" : "=r"(word) : "rm"(word) : "cc");
-	return word;
-}
-#endif
-#endif
-
-#define ptrace_signal_deliver(regs, cookie) do { } while (0)
-
-#endif /* __KERNEL__ */
-
-#endif

include/asm-x86/smp_64.h

···
 
 #endif /* CONFIG_SMP */
 
+#define safe_smp_processor_id()		smp_processor_id()
+
 static inline int hard_smp_processor_id(void)
 {
 	/* we don't want to mark this access volatile - bad code generation */

include/asm-x86/stat.h

···
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "stat_32.h"
-# else
-#  include "stat_64.h"
-# endif
+#ifndef _ASM_X86_STAT_H
+#define _ASM_X86_STAT_H
+
+#define STAT_HAVE_NSEC 1
+
+#ifdef __i386__
+struct stat {
+	unsigned long  st_dev;
+	unsigned long  st_ino;
+	unsigned short st_mode;
+	unsigned short st_nlink;
+	unsigned short st_uid;
+	unsigned short st_gid;
+	unsigned long  st_rdev;
+	unsigned long  st_size;
+	unsigned long  st_blksize;
+	unsigned long  st_blocks;
+	unsigned long  st_atime;
+	unsigned long  st_atime_nsec;
+	unsigned long  st_mtime;
+	unsigned long  st_mtime_nsec;
+	unsigned long  st_ctime;
+	unsigned long  st_ctime_nsec;
+	unsigned long  __unused4;
+	unsigned long  __unused5;
+};
+
+#define STAT64_HAS_BROKEN_ST_INO	1
+
+/* This matches struct stat64 in glibc2.1, hence the absolutely
+ * insane amounts of padding around dev_t's.
+ */
+struct stat64 {
+	unsigned long long	st_dev;
+	unsigned char	__pad0[4];
+
+	unsigned long	__st_ino;
+
+	unsigned int	st_mode;
+	unsigned int	st_nlink;
+
+	unsigned long	st_uid;
+	unsigned long	st_gid;
+
+	unsigned long long	st_rdev;
+	unsigned char	__pad3[4];
+
+	long long	st_size;
+	unsigned long	st_blksize;
+
+	/* Number 512-byte blocks allocated. */
+	unsigned long long	st_blocks;
+
+	unsigned long	st_atime;
+	unsigned long	st_atime_nsec;
+
+	unsigned long	st_mtime;
+	unsigned int	st_mtime_nsec;
+
+	unsigned long	st_ctime;
+	unsigned long	st_ctime_nsec;
+
+	unsigned long long	st_ino;
+};
+
+#else /* __i386__ */
+
+struct stat {
+	unsigned long	st_dev;
+	unsigned long	st_ino;
+	unsigned long	st_nlink;
+
+	unsigned int	st_mode;
+	unsigned int	st_uid;
+	unsigned int	st_gid;
+	unsigned int	__pad0;
+	unsigned long	st_rdev;
+	long		st_size;
+	long		st_blksize;
+	long		st_blocks;	/* Number 512-byte blocks allocated. */
+
+	unsigned long	st_atime;
+	unsigned long	st_atime_nsec;
+	unsigned long	st_mtime;
+	unsigned long	st_mtime_nsec;
+	unsigned long	st_ctime;
+	unsigned long   st_ctime_nsec;
+	long		__unused[3];
+};
+#endif
+
+/* for 32bit emulation and 32 bit kernels */
+struct __old_kernel_stat {
+	unsigned short st_dev;
+	unsigned short st_ino;
+	unsigned short st_mode;
+	unsigned short st_nlink;
+	unsigned short st_uid;
+	unsigned short st_gid;
+	unsigned short st_rdev;
+#ifdef __i386__
+	unsigned long  st_size;
+	unsigned long  st_atime;
+	unsigned long  st_mtime;
+	unsigned long  st_ctime;
 #else
-# ifdef __i386__
-#  include "stat_32.h"
-# else
-#  include "stat_64.h"
-# endif
+	unsigned int  st_size;
+	unsigned int  st_atime;
+	unsigned int  st_mtime;
+	unsigned int  st_ctime;
+#endif
+};
+
 #endif

include/asm-x86/stat_32.h

···
-#ifndef _I386_STAT_H
-#define _I386_STAT_H
-
-struct __old_kernel_stat {
-	unsigned short st_dev;
-	unsigned short st_ino;
-	unsigned short st_mode;
-	unsigned short st_nlink;
-	unsigned short st_uid;
-	unsigned short st_gid;
-	unsigned short st_rdev;
-	unsigned long  st_size;
-	unsigned long  st_atime;
-	unsigned long  st_mtime;
-	unsigned long  st_ctime;
-};
-
-struct stat {
-	unsigned long  st_dev;
-	unsigned long  st_ino;
-	unsigned short st_mode;
-	unsigned short st_nlink;
-	unsigned short st_uid;
-	unsigned short st_gid;
-	unsigned long  st_rdev;
-	unsigned long  st_size;
-	unsigned long  st_blksize;
-	unsigned long  st_blocks;
-	unsigned long  st_atime;
-	unsigned long  st_atime_nsec;
-	unsigned long  st_mtime;
-	unsigned long  st_mtime_nsec;
-	unsigned long  st_ctime;
-	unsigned long  st_ctime_nsec;
-	unsigned long  __unused4;
-	unsigned long  __unused5;
-};
-
-/* This matches struct stat64 in glibc2.1, hence the absolutely
- * insane amounts of padding around dev_t's.
- */
-struct stat64 {
-	unsigned long long	st_dev;
-	unsigned char	__pad0[4];
-
-#define STAT64_HAS_BROKEN_ST_INO	1
-	unsigned long	__st_ino;
-
-	unsigned int	st_mode;
-	unsigned int	st_nlink;
-
-	unsigned long	st_uid;
-	unsigned long	st_gid;
-
-	unsigned long long	st_rdev;
-	unsigned char	__pad3[4];
-
-	long long	st_size;
-	unsigned long	st_blksize;
-
-	unsigned long long	st_blocks;	/* Number 512-byte blocks allocated. */
-
-	unsigned long	st_atime;
-	unsigned long	st_atime_nsec;
-
-	unsigned long	st_mtime;
-	unsigned int	st_mtime_nsec;
-
-	unsigned long	st_ctime;
-	unsigned long	st_ctime_nsec;
-
-	unsigned long long	st_ino;
-};
-
-#define STAT_HAVE_NSEC 1
-
-#endif

include/asm-x86/stat_64.h

···
-#ifndef _ASM_X86_64_STAT_H
-#define _ASM_X86_64_STAT_H
-
-#define STAT_HAVE_NSEC 1
-
-struct stat {
-	unsigned long	st_dev;
-	unsigned long	st_ino;
-	unsigned long	st_nlink;
-
-	unsigned int	st_mode;
-	unsigned int	st_uid;
-	unsigned int	st_gid;
-	unsigned int	__pad0;
-	unsigned long	st_rdev;
-	long		st_size;
-	long		st_blksize;
-	long		st_blocks;	/* Number 512-byte blocks allocated. */
-
-	unsigned long	st_atime;
-	unsigned long 	st_atime_nsec; 
-	unsigned long	st_mtime;
-	unsigned long	st_mtime_nsec;
-	unsigned long	st_ctime;
-	unsigned long   st_ctime_nsec;
-  	long		__unused[3];
-};
-
-/* For 32bit emulation */
-struct __old_kernel_stat {
-	unsigned short st_dev;
-	unsigned short st_ino;
-	unsigned short st_mode;
-	unsigned short st_nlink;
-	unsigned short st_uid;
-	unsigned short st_gid;
-	unsigned short st_rdev;
-	unsigned int  st_size;
-	unsigned int  st_atime;
-	unsigned int  st_mtime;
-	unsigned int  st_ctime;
-};
-
-#endif

include/asm-x86/statfs.h

···
-#ifdef __KERNEL__
-# ifdef CONFIG_X86_32
-#  include "statfs_32.h"
-# else
-#  include "statfs_64.h"
-# endif
+#ifndef _ASM_X86_STATFS_H
+#define _ASM_X86_STATFS_H
+
+#ifdef __i386__
+#include <asm-generic/statfs.h>
 #else
-# ifdef __i386__
-#  include "statfs_32.h"
-# else
-#  include "statfs_64.h"
-# endif
+
+#ifndef __KERNEL_STRICT_NAMES
+
+#include <linux/types.h>
+
+typedef __kernel_fsid_t	fsid_t;
+
+#endif
+
+/*
+ * This is ugly -- we're already 64-bit clean, so just duplicate the
+ * definitions.
+ */
+struct statfs {
+	long f_type;
+	long f_bsize;
+	long f_blocks;
+	long f_bfree;
+	long f_bavail;
+	long f_files;
+	long f_ffree;
+	__kernel_fsid_t f_fsid;
+	long f_namelen;
+	long f_frsize;
+	long f_spare[5];
+};
+
+struct statfs64 {
+	long f_type;
+	long f_bsize;
+	long f_blocks;
+	long f_bfree;
+	long f_bavail;
+	long f_files;
+	long f_ffree;
+	__kernel_fsid_t f_fsid;
+	long f_namelen;
+	long f_frsize;
+	long f_spare[5];
+};
+
+struct compat_statfs64 {
+	__u32 f_type;
+	__u32 f_bsize;
+	__u64 f_blocks;
+	__u64 f_bfree;
+	__u64 f_bavail;
+	__u64 f_files;
+	__u64 f_ffree;
+	__kernel_fsid_t f_fsid;
+	__u32 f_namelen;
+	__u32 f_frsize;
+	__u32 f_spare[5];
+} __attribute__((packed));
+
+#endif /* !__i386__ */
 #endif

include/asm-x86/statfs_32.h

···
-#ifndef _I386_STATFS_H
-#define _I386_STATFS_H
-
-#include <asm-generic/statfs.h>
-
-#endif

include/asm-x86/statfs_64.h

···
-#ifndef _X86_64_STATFS_H
-#define _X86_64_STATFS_H
-
-#ifndef __KERNEL_STRICT_NAMES
-
-#include <linux/types.h>
-
-typedef __kernel_fsid_t	fsid_t;
-
-#endif
-
-/*
- * This is ugly -- we're already 64-bit clean, so just duplicate the 
- * definitions.
- */
-struct statfs {
-	long f_type;
-	long f_bsize;
-	long f_blocks;
-	long f_bfree;
-	long f_bavail;
-	long f_files;
-	long f_ffree;
-	__kernel_fsid_t f_fsid;
-	long f_namelen;
-	long f_frsize;
-	long f_spare[5];
-};
-
-struct statfs64 {
-	long f_type;
-	long f_bsize;
-	long f_blocks;
-	long f_bfree;
-	long f_bavail;
-	long f_files;
-	long f_ffree;
-	__kernel_fsid_t f_fsid;
-	long f_namelen;
-	long f_frsize;
-	long f_spare[5];
-};
-
-struct compat_statfs64 {
-	__u32 f_type;
-	__u32 f_bsize;
-	__u64 f_blocks;
-	__u64 f_bfree;
-	__u64 f_bavail;
-	__u64 f_files;
-	__u64 f_ffree;
-	__kernel_fsid_t f_fsid;
-	__u32 f_namelen;
-	__u32 f_frsize;
-	__u32 f_spare[5];
-} __attribute__((packed));
-
-#endif

include/asm-x86/suspend_64.h

···
  * Based on code
  * Copyright 2001 Patrick Mochel <[e-mail]>
  */
+#ifndef __ASM_X86_64_SUSPEND_H
+#define __ASM_X86_64_SUSPEND_H
+
 #include <asm/desc.h>
 #include <asm/i387.h>
 
···
 	return 0;
 }
 
-/* Image of the saved processor state. If you touch this, fix acpi_wakeup.S. */
+/* Image of the saved processor state. If you touch this, fix acpi/wakeup.S. */
 struct saved_context {
+	struct pt_regs regs;
   	u16 ds, es, fs, gs, ss;
 	unsigned long gs_base, gs_kernel_base, fs_base;
 	unsigned long cr0, cr2, cr3, cr4, cr8;
···
 	unsigned long tr;
 	unsigned long safety;
 	unsigned long return_address;
-	unsigned long eflags;
 } __attribute__((packed));
-
-/* We'll access these from assembly, so we'd better have them outside struct */
-extern unsigned long saved_context_eax, saved_context_ebx, saved_context_ecx, saved_context_edx;
-extern unsigned long saved_context_esp, saved_context_ebp, saved_context_esi, saved_context_edi;
-extern unsigned long saved_context_r08, saved_context_r09, saved_context_r10, saved_context_r11;
-extern unsigned long saved_context_r12, saved_context_r13, saved_context_r14, saved_context_r15;
-extern unsigned long saved_context_eflags;
 
 #define loaddebug(thread,register) \
 	set_debugreg((thread)->debugreg##register, register)
 
 extern void fix_processor_context(void);
 
-extern unsigned long saved_rip;
-extern unsigned long saved_rsp;
-extern unsigned long saved_rbp;
-extern unsigned long saved_rbx;
-extern unsigned long saved_rsi;
-extern unsigned long saved_rdi;
-
 /* routines for saving/restoring kernel state */
 extern int acpi_save_state_mem(void);
 extern char core_restore_code;
 extern char restore_registers;
+
+#endif /* __ASM_X86_64_SUSPEND_H */