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[PATCH v12 3/5] x86/cpufeature: add RING3MWAIT to CPU features

Started byGrzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>
First post2017-01-20 14:30 +0100
Last post2017-01-20 14:30 +0100
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  [PATCH v12 3/5] x86/cpufeature: add RING3MWAIT to CPU features Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com> - 2017-01-20 14:30 +0100

#1563565 — [PATCH v12 3/5] x86/cpufeature: add RING3MWAIT to CPU features

FromGrzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>
Date2017-01-20 14:30 +0100
Subject[PATCH v12 3/5] x86/cpufeature: add RING3MWAIT to CPU features
Message-ID<t1Hqp-7M4-5@gated-at.bofh.it>
Add software-defined CPUID bit for the non-architectural ring 3
MONITOR/MWAIT feature.

Signed-off-by: Grzegorz Andrejczuk <grzegorz.andrejczuk@intel.com>
---
 arch/x86/include/asm/cpufeatures.h | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
index eafee31..167e140 100644
--- a/arch/x86/include/asm/cpufeatures.h
+++ b/arch/x86/include/asm/cpufeatures.h
@@ -100,7 +100,7 @@
 #define X86_FEATURE_XTOPOLOGY	( 3*32+22) /* cpu topology enum extensions */
 #define X86_FEATURE_TSC_RELIABLE ( 3*32+23) /* TSC is known to be reliable */
 #define X86_FEATURE_NONSTOP_TSC	( 3*32+24) /* TSC does not stop in C states */
-/* free, was #define X86_FEATURE_CLFLUSH_MONITOR ( 3*32+25) * "" clflush reqd with monitor */
+#define X86_FEATURE_RING3MWAIT	( 3*32+25) /* ring 3 MONITOR/MWAIT */
 #define X86_FEATURE_EXTD_APICID	( 3*32+26) /* has extended APICID (8 bits) */
 #define X86_FEATURE_AMD_DCM     ( 3*32+27) /* multi-node processor */
 #define X86_FEATURE_APERFMPERF	( 3*32+28) /* APERFMPERF */
-- 
2.5.1

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