[tip:x86/cpu] x86/cpufeature: Remove cpu_has_arch_perfmon

From: tip-bot for Borislav Petkov
Date: Thu Mar 31 2016 - 09:01:58 EST


Commit-ID: 7b5e74e637e4a977c7cf40fd7de332f60b68180e
Gitweb: http://git.kernel.org/tip/7b5e74e637e4a977c7cf40fd7de332f60b68180e
Author: Borislav Petkov <bp@xxxxxxx>
AuthorDate: Tue, 29 Mar 2016 17:41:54 +0200
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitDate: Thu, 31 Mar 2016 13:33:17 +0200

x86/cpufeature: Remove cpu_has_arch_perfmon

Use boot_cpu_has() instead.

Signed-off-by: Borislav Petkov <bp@xxxxxxx>
Cc: Linus Torvalds <torvalds@xxxxxxxxxxxxxxxxxxxx>
Cc: Peter Zijlstra <peterz@xxxxxxxxxxxxx>
Cc: Thomas Gleixner <tglx@xxxxxxxxxxxxx>
Cc: oprofile-list@xxxxxxxxxxxx
Link: http://lkml.kernel.org/r/1459266123-21878-2-git-send-email-bp@xxxxxxxxx
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
---
arch/x86/include/asm/cpufeature.h | 1 -
arch/x86/oprofile/nmi_int.c | 4 ++--
arch/x86/oprofile/op_model_ppro.c | 2 +-
3 files changed, 3 insertions(+), 4 deletions(-)

diff --git a/arch/x86/include/asm/cpufeature.h b/arch/x86/include/asm/cpufeature.h
index 3636ec0..fee7a6e 100644
--- a/arch/x86/include/asm/cpufeature.h
+++ b/arch/x86/include/asm/cpufeature.h
@@ -131,7 +131,6 @@ extern const char * const x86_bug_flags[NBUGINTS*32];
#define cpu_has_avx2 boot_cpu_has(X86_FEATURE_AVX2)
#define cpu_has_clflush boot_cpu_has(X86_FEATURE_CLFLUSH)
#define cpu_has_gbpages boot_cpu_has(X86_FEATURE_GBPAGES)
-#define cpu_has_arch_perfmon boot_cpu_has(X86_FEATURE_ARCH_PERFMON)
#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)
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 0e07e09..25171e9 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -636,7 +636,7 @@ static int __init ppro_init(char **cpu_type)
__u8 cpu_model = boot_cpu_data.x86_model;
struct op_x86_model_spec *spec = &op_ppro_spec; /* default */

- if (force_cpu_type == arch_perfmon && cpu_has_arch_perfmon)
+ if (force_cpu_type == arch_perfmon && boot_cpu_has(X86_FEATURE_ARCH_PERFMON))
return 0;

/*
@@ -761,7 +761,7 @@ int __init op_nmi_init(struct oprofile_operations *ops)
if (cpu_type)
break;

- if (!cpu_has_arch_perfmon)
+ if (!boot_cpu_has(X86_FEATURE_ARCH_PERFMON))
return -ENODEV;

/* use arch perfmon as fallback */
diff --git a/arch/x86/oprofile/op_model_ppro.c b/arch/x86/oprofile/op_model_ppro.c
index d90528e..350f709 100644
--- a/arch/x86/oprofile/op_model_ppro.c
+++ b/arch/x86/oprofile/op_model_ppro.c
@@ -75,7 +75,7 @@ static void ppro_setup_ctrs(struct op_x86_model_spec const *model,
u64 val;
int i;

- if (cpu_has_arch_perfmon) {
+ if (boot_cpu_has(X86_FEATURE_ARCH_PERFMON)) {
union cpuid10_eax eax;
eax.full = cpuid_eax(0xa);