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

* git://git.kernel.org/pub/scm/linux/kernel/git/x86/linux-2.6-x86:
x86: fix x86-32 early fixmap initialization.
x86: disable hpet legacy replacement for kdump
x86: disable hpet on shutdown

arch/x86/kernel/crash.c

···
 #include <asm/nmi.h>
 #include <asm/hw_irq.h>
 #include <asm/apic.h>
+#include <asm/hpet.h>
 #include <linux/kdebug.h>
 #include <asm/smp.h>
 
···
 	lapic_shutdown();
 #if defined(CONFIG_X86_IO_APIC)
 	disable_IO_APIC();
+#endif
+#ifdef CONFIG_HPET_TIMER
+	hpet_disable();
 #endif
 	crash_save_cpu(regs, safe_smp_processor_id());
 }

arch/x86/kernel/head_32.S

···
 	jb 10b
 	movl %edi,(init_pg_tables_end - __PAGE_OFFSET)
 
+	/* Do an early initialization of the fixmap area */
+	movl $(swapper_pg_dir - __PAGE_OFFSET), %edx
+	movl $(swapper_pg_pmd - __PAGE_OFFSET), %eax
+	addl $0x007, %eax			/* 0x007 = PRESENT+RW+USER */
+	movl %eax, 4092(%edx)
+
 	xorl %ebx,%ebx				/* This is the boot CPU (BSP) */
 	jmp 3f
 /*
···
 #ifndef CONFIG_HOTPLUG_CPU
 .section .init.text,"ax",@progbits
 #endif
-
-	/* Do an early initialization of the fixmap area */
-	movl $(swapper_pg_dir - __PAGE_OFFSET), %edx
-	movl $(swapper_pg_pmd - __PAGE_OFFSET), %eax
-	addl $0x007, %eax			/* 0x007 = PRESENT+RW+USER */
-	movl %eax, 4092(%edx)
 
 #ifdef CONFIG_SMP
 ENTRY(startup_32_smp)

arch/x86/kernel/hpet.c

···
 }
 fs_initcall(hpet_late_init);
 
+void hpet_disable(void)
+{
+	if (is_hpet_capable()) {
+		unsigned long cfg = hpet_readl(HPET_CFG);
+
+		if (hpet_legacy_int_enabled) {
+			cfg &= ~HPET_CFG_LEGACY;
+			hpet_legacy_int_enabled = 0;
+		}
+		cfg &= ~HPET_CFG_ENABLE;
+		hpet_writel(cfg, HPET_CFG);
+	}
+}
+
 #ifdef CONFIG_HPET_EMULATE_RTC
 
 /* HPET in LegacyReplacement Mode eats up RTC interrupt line. When, HPET

arch/x86/kernel/reboot_32.c

···
 #include <linux/reboot.h>
 #include <asm/uaccess.h>
 #include <asm/apic.h>
+#include <asm/hpet.h>
 #include <asm/desc.h>
 #include "mach_reboot.h"
 #include <asm/reboot_fixups.h>
···
 
 #ifdef CONFIG_X86_IO_APIC
 	disable_IO_APIC();
+#endif
+#ifdef CONFIG_HPET_TIMER
+	hpet_disable();
 #endif
 }
 

arch/x86/kernel/reboot_64.c

···
 #include <asm/pgtable.h>
 #include <asm/tlbflush.h>
 #include <asm/apic.h>
+#include <asm/hpet.h>
 #include <asm/gart.h>
 
 /*
···
 
 	disable_IO_APIC();
 
+#ifdef CONFIG_HPET_TIMER
+	hpet_disable();
+#endif
 	local_irq_restore(flags);
 
 	pci_iommu_shutdown();

include/asm-x86/hpet.h

···
 extern int hpet_force_user;
 extern int is_hpet_enabled(void);
 extern int hpet_enable(void);
+extern void hpet_disable(void);
 extern unsigned long hpet_readl(unsigned long a);
 extern void force_hpet_resume(void);