Messages in this thread Patch in this message | | | Date | Thu, 31 Mar 2016 06:02:23 -0700 | From | tip-bot for Borislav Petkov <> | Subject | [tip:x86/cpu] x86/cpufeature: Remove cpu_has_x2apic |
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Commit-ID: 62436a4d36c94d202784cd8a997ff8bb4b880237 Gitweb: http://git.kernel.org/tip/62436a4d36c94d202784cd8a997ff8bb4b880237 Author: Borislav Petkov <bp@suse.de> AuthorDate: Tue, 29 Mar 2016 17:41:57 +0200 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Thu, 31 Mar 2016 13:35:08 +0200
x86/cpufeature: Remove cpu_has_x2apic
Signed-off-by: Borislav Petkov <bp@suse.de> Acked-by: Tony Luck <tony.luck@intel.com> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1459266123-21878-5-git-send-email-bp@alien8.de Signed-off-by: Ingo Molnar <mingo@kernel.org> --- arch/ia64/include/asm/iommu.h | 1 - arch/x86/include/asm/apic.h | 4 ++-- arch/x86/include/asm/cpufeature.h | 1 - arch/x86/kernel/apic/apic.c | 2 +- 4 files changed, 3 insertions(+), 5 deletions(-)
diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h index 105c93b..1d12129 100644 --- a/arch/ia64/include/asm/iommu.h +++ b/arch/ia64/include/asm/iommu.h @@ -1,7 +1,6 @@ #ifndef _ASM_IA64_IOMMU_H #define _ASM_IA64_IOMMU_H 1 -#define cpu_has_x2apic 0 /* 10 seconds */ #define DMAR_OPERATION_TIMEOUT (((cycles_t) local_cpu_data->itc_freq)*10) diff --git a/arch/x86/include/asm/apic.h b/arch/x86/include/asm/apic.h index 98f25bb..bc27611 100644 --- a/arch/x86/include/asm/apic.h +++ b/arch/x86/include/asm/apic.h @@ -239,10 +239,10 @@ extern void __init check_x2apic(void); extern void x2apic_setup(void); static inline int x2apic_enabled(void) { - return cpu_has_x2apic && apic_is_x2apic_enabled(); + return boot_cpu_has(X86_FEATURE_X2APIC) && apic_is_x2apic_enabled(); } -#define x2apic_supported() (cpu_has_x2apic) +#define x2apic_supported() (boot_cpu_has(X86_FEATURE_X2APIC)) #else /* !CONFIG_X86_X2APIC */ static inline void check_x2apic(void) { } static inline void x2apic_setup(void) { } diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h index 33c29aa..3da7aec 100644 --- a/arch/x86/include/asm/cpufeature.h +++ b/arch/x86/include/asm/cpufeature.h @@ -132,7 +132,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32]; #define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLUSH) #define cpu_has_gbpages boot_cpu_has(X86_FEATURE_GBPAGES) #define cpu_has_pat boot_cpu_has(X86_FEATURE_PAT) -#define cpu_has_x2apic boot_cpu_has(X86_FEATURE_X2APIC) #define cpu_has_xsave boot_cpu_has(X86_FEATURE_XSAVE) #define cpu_has_xsaves boot_cpu_has(X86_FEATURE_XSAVES) /* diff --git a/arch/x86/kernel/apic/apic.c b/arch/x86/kernel/apic/apic.c index d356987..d7867c8 100644 --- a/arch/x86/kernel/apic/apic.c +++ b/arch/x86/kernel/apic/apic.c @@ -1561,7 +1561,7 @@ void __init check_x2apic(void) pr_info("x2apic: enabled by BIOS, switching to x2apic ops\n"); x2apic_mode = 1; x2apic_state = X2APIC_ON; - } else if (!cpu_has_x2apic) { + } else if (!boot_cpu_has(X86_FEATURE_X2APIC)) { x2apic_state = X2APIC_DISABLED; } }
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