x86/cpufeature: Replace cpu_has_apic with boot_cpu_has() usage

Signed-off-by: Borislav Petkov <[e-mail]>
Cc: Andy Lutomirski <[e-mail]>
Cc: Borislav Petkov <[e-mail]>
Cc: Brian Gerst <[e-mail]>
Cc: Denys Vlasenko <[e-mail]>
Cc: H. Peter Anvin <[e-mail]>
Cc: Linus Torvalds <[e-mail]>
Cc: Peter Zijlstra <[e-mail]>
Cc: Thomas Gleixner <[e-mail]>
Cc: [e-mail]
Cc: [e-mail]
Cc: [e-mail]
Link: http://lkml.kernel.org/r/[e-mail]
Signed-off-by: Ingo Molnar <[e-mail]>

arch/x86/events/core.c

···
 
 static void __init pmu_check_apic(void)
 {
-	if (cpu_has_apic)
+	if (boot_cpu_has(X86_FEATURE_APIC))
 		return;
 
 	x86_pmu.apic = 0;

arch/x86/include/asm/cpufeature.h

···
 	set_bit(bit, (unsigned long *)cpu_caps_set);	\
 } while (0)
 
-#define cpu_has_apic		boot_cpu_has(X86_FEATURE_APIC)
 #define cpu_has_fxsr		boot_cpu_has(X86_FEATURE_FXSR)
 #define cpu_has_xsave		boot_cpu_has(X86_FEATURE_XSAVE)
 #define cpu_has_xsaves		boot_cpu_has(X86_FEATURE_XSAVES)

arch/x86/include/asm/irq_work.h

···
 
 static inline bool arch_irq_work_has_interrupt(void)
 {
-	return cpu_has_apic;
+	return boot_cpu_has(X86_FEATURE_APIC);
 }
 
 #endif /* _ASM_IRQ_WORK_H */

arch/x86/kernel/acpi/boot.c

···
 {
 	struct acpi_table_madt *madt = NULL;
 
-	if (!cpu_has_apic)
+	if (!boot_cpu_has(X86_FEATURE_APIC))
 		return -EINVAL;
 
 	madt = (struct acpi_table_madt *)table;
···
 {
 	int count;
 
-	if (!cpu_has_apic)
+	if (!boot_cpu_has(X86_FEATURE_APIC))
 		return -ENODEV;
 
 	/*
···
 	int ret;
 	struct acpi_subtable_proc madt_proc[2];
 
-	if (!cpu_has_apic)
+	if (!boot_cpu_has(X86_FEATURE_APIC))
 		return -ENODEV;
 
 	/*
···
 	if (acpi_disabled || acpi_noirq)
 		return -ENODEV;
 
-	if (!cpu_has_apic)
+	if (!boot_cpu_has(X86_FEATURE_APIC))
 		return -ENODEV;
 
 	/*

arch/x86/kernel/apic/apic.c

···
 {
 	unsigned long flags;
 
-	if (!cpu_has_apic && !apic_from_smp_config())
+	if (!boot_cpu_has(X86_FEATURE_APIC) && !apic_from_smp_config())
 		return;
 
 	local_irq_save(flags);
···
 	 * Don't do the setup now if we have a SMP BIOS as the
 	 * through-I/O-APIC virtual wire mode might be active.
 	 */
-	if (smp_found_config || !cpu_has_apic)
+	if (smp_found_config || !boot_cpu_has(X86_FEATURE_APIC))
 		return;
 
 	/*
···
 {
 	u64 msr;
 
-	if (!cpu_has_apic)
+	if (!boot_cpu_has(X86_FEATURE_APIC))
 		return;
 
 	rdmsrl(MSR_IA32_APICBASE, msr);
···
  */
 static int __init detect_init_APIC(void)
 {
-	if (!cpu_has_apic) {
+	if (!boot_cpu_has(X86_FEATURE_APIC)) {
 		pr_info("No local APIC present\n");
 		return -1;
 	}
···
 		goto no_apic;
 	case X86_VENDOR_INTEL:
 		if (boot_cpu_data.x86 == 6 || boot_cpu_data.x86 == 15 ||
-		    (boot_cpu_data.x86 == 5 && cpu_has_apic))
+		    (boot_cpu_data.x86 == 5 && boot_cpu_has(X86_FEATURE_APIC)))
 			break;
 		goto no_apic;
 	default:
 		goto no_apic;
 	}
 
-	if (!cpu_has_apic) {
+	if (!boot_cpu_has(X86_FEATURE_APIC)) {
 		/*
 		 * Over-ride BIOS and try to enable the local APIC only if
 		 * "lapic" specified.
···
 		return -1;
 	}
 #ifdef CONFIG_X86_64
-	if (!cpu_has_apic) {
+	if (!boot_cpu_has(X86_FEATURE_APIC)) {
 		disable_apic = 1;
 		pr_info("Apic disabled by BIOS\n");
 		return -1;
 	}
 #else
-	if (!smp_found_config && !cpu_has_apic)
+	if (!smp_found_config && !boot_cpu_has(X86_FEATURE_APIC))
 		return -1;
 
 	/*
 	 * Complain if the BIOS pretends there is one.
 	 */
-	if (!cpu_has_apic &&
+	if (!boot_cpu_has(X86_FEATURE_APIC) &&
 	    APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid])) {
 		pr_err("BIOS bug, local APIC 0x%x not detected!...\n",
 			boot_cpu_physical_apicid);
···
 static int __init init_lapic_sysfs(void)
 {
 	/* XXX: remove suspend/resume procs if !apic_pm_state.active? */
-	if (cpu_has_apic)
+	if (boot_cpu_has(X86_FEATURE_APIC))
 		register_syscore_ops(&lapic_syscore_ops);
 
 	return 0;

arch/x86/kernel/apic/apic_noop.c

···
 
 static u32 noop_apic_read(u32 reg)
 {
-	WARN_ON_ONCE((cpu_has_apic && !disable_apic));
+	WARN_ON_ONCE(boot_cpu_has(X86_FEATURE_APIC) && !disable_apic);
 	return 0;
 }
 
 static void noop_apic_write(u32 reg, u32 v)
 {
-	WARN_ON_ONCE(cpu_has_apic && !disable_apic);
+	WARN_ON_ONCE(boot_cpu_has(X86_FEATURE_APIC) && !disable_apic);
 }
 
 struct apic apic_noop = {

arch/x86/kernel/apic/io_apic.c

···
 		ioapic_write_entry(ioapic_i8259.apic, ioapic_i8259.pin, entry);
 	}
 
-	if (cpu_has_apic || apic_from_smp_config())
+	if (boot_cpu_has(X86_FEATURE_APIC) || apic_from_smp_config())
 		disconnect_bsp_APIC(ioapic_i8259.pin != -1);
 }
 

arch/x86/kernel/apic/ipi.c

···
 {
 	int apicid, cpuid;
 
-	if (!cpu_has_apic)
+	if (!boot_cpu_has(X86_FEATURE_APIC))
 		return 0;
 
 	apicid = hard_smp_processor_id();

arch/x86/kernel/apic/vector.c

···
 	print_PIC();
 
 	/* don't print out if apic is not there */
-	if (!cpu_has_apic && !apic_from_smp_config())
+	if (!boot_cpu_has(X86_FEATURE_APIC) && !apic_from_smp_config())
 		return 0;
 
 	print_local_APICs(show_lapic);

arch/x86/kernel/cpu/amd.c

···
 	 * can safely set X86_FEATURE_EXTD_APICID unconditionally for families
 	 * after 16h.
 	 */
-	if (cpu_has_apic && c->x86 > 0x16) {
+	if (boot_cpu_has(X86_FEATURE_APIC) && c->x86 > 0x16) {
 		set_cpu_cap(c, X86_FEATURE_EXTD_APICID);
-	} else if (cpu_has_apic && c->x86 >= 0xf) {
+	} else if (boot_cpu_has(X86_FEATURE_APIC) && c->x86 >= 0xf) {
 		/* check CPU config space for extended APIC ID */
 		unsigned int val;
 		val = read_pci_config(0, 24, 0, 0x68);

arch/x86/kernel/cpu/intel.c

···
 	 * integrated APIC (see 11AP erratum in "Pentium Processor
 	 * Specification Update").
 	 */
-	if (cpu_has_apic && (c->x86<<8 | c->x86_model<<4) == 0x520 &&
+	if (boot_cpu_has(X86_FEATURE_APIC) && (c->x86<<8 | c->x86_model<<4) == 0x520 &&
 	    (c->x86_mask < 0x6 || c->x86_mask == 0xb))
 		set_cpu_bug(c, X86_BUG_11AP);
 

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

···
 	 */
 	if (boot_cpu_data.x86_vendor != X86_VENDOR_INTEL)
 		return 0;
-	if (!cpu_has_apic || lapic_get_maxlvt() < 6)
+	if (!boot_cpu_has(X86_FEATURE_APIC) || lapic_get_maxlvt() < 6)
 		return 0;
 	rdmsrl(MSR_IA32_MCG_CAP, cap);
 	*banks = min_t(unsigned, MAX_NR_BANKS, cap & 0xff);

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

···
 /* Thermal monitoring depends on APIC, ACPI and clock modulation */
 static int intel_thermal_supported(struct cpuinfo_x86 *c)
 {
-	if (!cpu_has_apic)
+	if (!boot_cpu_has(X86_FEATURE_APIC))
 		return 0;
 	if (!cpu_has(c, X86_FEATURE_ACPI) || !cpu_has(c, X86_FEATURE_ACC))
 		return 0;

arch/x86/kernel/devicetree.c

···
 		return;
 
 	/* Did the boot loader setup the local APIC ? */
-	if (!cpu_has_apic) {
+	if (!boot_cpu_has(X86_FEATURE_APIC)) {
 		if (apic_force_enable(r.start))
 			return;
 	}

arch/x86/kernel/smpboot.c

···
 	 * If we couldn't find a local APIC, then get out of here now!
 	 */
 	if (APIC_INTEGRATED(apic_version[boot_cpu_physical_apicid]) &&
-	    !cpu_has_apic) {
+	    !boot_cpu_has(X86_FEATURE_APIC)) {
 		if (!disable_apic) {
 			pr_err("BIOS bug, local APIC #%d not detected!...\n",
 				boot_cpu_physical_apicid);

arch/x86/oprofile/nmi_int.c

···
 	char *cpu_type = NULL;
 	int ret = 0;
 
-	if (!cpu_has_apic)
+	if (!boot_cpu_has(X86_FEATURE_APIC))
 		return -ENODEV;
 
 	if (force_cpu_type == timer)

arch/x86/pci/xen.c

···
 		uint32_t eax = cpuid_eax(xen_cpuid_base() + 4);
 
 		if (((eax & XEN_HVM_CPUID_X2APIC_VIRT) && x2apic_mode) ||
-		    ((eax & XEN_HVM_CPUID_APIC_ACCESS_VIRT) && cpu_has_apic))
+		    ((eax & XEN_HVM_CPUID_APIC_ACCESS_VIRT) && boot_cpu_has(X86_FEATURE_APIC)))
 			return;
 	}
 

drivers/cpufreq/longhaul.c

···
 	}
 #endif
 #ifdef CONFIG_X86_IO_APIC
-	if (cpu_has_apic) {
+	if (boot_cpu_has(X86_FEATURE_APIC)) {
 		printk(KERN_ERR PFX "APIC detected. Longhaul is currently "
 				"broken in this configuration.\n");
 		return -ENODEV;

drivers/iommu/irq_remapping.c

···
 	 * As this gets called during crash dump, keep this simple for
 	 * now.
 	 */
-	if (cpu_has_apic || apic_from_smp_config())
+	if (boot_cpu_has(X86_FEATURE_APIC) || apic_from_smp_config())
 		disconnect_bsp_APIC(0);
 }