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-rw-r--r--tools/arch/x86/include/asm/cpufeatures.h5
1 files changed, 4 insertions, 1 deletions
diff --git a/tools/arch/x86/include/asm/cpufeatures.h b/tools/arch/x86/include/asm/cpufeatures.h
index 06fc0479a23f..bd655e100395 100644
--- a/tools/arch/x86/include/asm/cpufeatures.h
+++ b/tools/arch/x86/include/asm/cpufeatures.h
@@ -407,9 +407,12 @@
#define X86_FEATURE_ENQCMD (16*32+29) /* "enqcmd" ENQCMD and ENQCMDS instructions */
#define X86_FEATURE_SGX_LC (16*32+30) /* "sgx_lc" Software Guard Extensions Launch Control */
-/* AMD-defined CPU features, CPUID level 0x80000007 (EBX), word 17 */
+/*
+ * Linux-defined word for use with scattered/synthetic bits.
+ */
#define X86_FEATURE_OVERFLOW_RECOV (17*32+ 0) /* "overflow_recov" MCA overflow recovery support */
#define X86_FEATURE_SUCCOR (17*32+ 1) /* "succor" Uncorrectable error containment and recovery */
+
#define X86_FEATURE_SMCA (17*32+ 3) /* "smca" Scalable MCA */
/* Intel-defined CPU features, CPUID level 0x00000007:0 (EDX), word 18 */