Hello,
The following patch for x86-64 adds a macro to test for X86_FEATURE_ARCH_PERFMON.
An equivalent patch was posted for i386
changelog:
- add cpu_has_arch_perfmon macro to test for X86_FEATURE_ARCH_PERFMON
signed-off-by: stephane eranian <[email protected]>
diff -urNp --exclude=.git linux-2.6.22.orig/include/asm-x86_64/cpufeature.h linux-2.6.22.base/include/asm-x86_64/cpufeature.h
--- linux-2.6.22.orig/include/asm-x86_64/cpufeature.h 2007-05-30 04:02:28.000000000 -0700
+++ linux-2.6.22.base/include/asm-x86_64/cpufeature.h 2007-06-01 07:22:53.000000000 -0700
@@ -117,5 +117,6 @@
#define cpu_has_ds boot_cpu_has(X86_FEATURE_DS)
#define cpu_has_pebs boot_cpu_has(X86_FEATURE_PEBS)
#define cpu_has_bts boot_cpu_has(X86_FEATURE_BTS)
+#define cpu_has_arch_perfmon boot_cpu_has(X86_FEATURE_ARCH_PERFMON)
#endif /* __ASM_X8664_CPUFEATURE_H */
-
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