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Commit b664d6bb authored by Robert Richter's avatar Robert Richter Committed by Ingo Molnar
Browse files

x86: add X86_FEATURE_IBS cpu feature 



This adds IBS to the cpu feature flags allowing Perfmon and OProfile
to use cpu_has().

Signed-off-by: default avatarRobert Richter <robert.richter@amd.com>
Signed-off-by: default avatarIngo Molnar <mingo@elte.hu>
parent 93e1ade5

include/asm-x86/cpufeature.h

+1 −0
Original line number Original line Diff line number Diff line
@@ -106,6 +106,7 @@ 
/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */

/* More extended AMD flags: CPUID level 0x80000001, ecx, word 6 */

#define X86_FEATURE_LAHF_LM	(6*32+ 0) /* LAHF/SAHF in long mode */

#define X86_FEATURE_LAHF_LM	(6*32+ 0) /* LAHF/SAHF in long mode */

#define X86_FEATURE_CMP_LEGACY	(6*32+ 1) /* If yes HyperThreading not valid */

#define X86_FEATURE_CMP_LEGACY	(6*32+ 1) /* If yes HyperThreading not valid */

#define X86_FEATURE_IBS		(6*32+ 10) /* Instruction Based Sampling */





/*

/*

 * Auxiliary flags: Linux defined - For features scattered in various

 * Auxiliary flags: Linux defined - For features scattered in various