x86: add cpu_has_arch_perfmon

adds cpu_has_arch_perfmon to test presence of architectural perfmon on
Intel x86 processor

Signed-off-by: Stephane Eranian <eranian@gmail.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

diff --git a/include/asm-x86/cpufeature.h b/include/asm-x86/cpufeature.h
index 1e3102e..90feb6f 100644 (file)
--- a/include/asm-x86/cpufeature.h
+++ b/include/asm-x86/cpufeature.h
@@ -185,6 +185,7 @@ extern const char * const x86_power_flags[32];
 #define cpu_has_clflush                boot_cpu_has(X86_FEATURE_CLFLSH)
 #define cpu_has_bts            boot_cpu_has(X86_FEATURE_BTS)
 #define cpu_has_gbpages                boot_cpu_has(X86_FEATURE_GBPAGES)
+#define cpu_has_arch_perfmon   boot_cpu_has(X86_FEATURE_ARCH_PERFMON)
 
 #if defined(CONFIG_X86_INVLPG) || defined(CONFIG_X86_64)
 # define cpu_has_invlpg                1