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x86: Fix comment for X86_FEATURE_ZEN

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The feature X86_FEATURE_ZEN implies that the CPU based on Zen
microarchitecture. Call this out explicitly in the comment.

Signed-off-by: Wyes Karny <[email protected]>
Signed-off-by: Dave Hansen <[email protected]>
Tested-by: Zhang Rui <[email protected]>
Link: https://lkml.kernel.org/r/9931b01a85120a0d1faf0f244e8de3f2190e774c.1654538381.git-series.wyes.karny@amd.com
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Wyes Karny authored and Dave Hansen committed 2022-06-08 13:01:58 -07:00
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commit 6f33a9daff
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arch/x86/include/asm/cpufeatures.h
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@@ -219,7 +219,7 @@
#define X86_FEATURE_IBRS ( 7*32+25) /* Indirect Branch Restricted Speculation */
#define X86_FEATURE_IBPB ( 7*32+26) /* Indirect Branch Prediction Barrier */
#define X86_FEATURE_STIBP ( 7*32+27) /* Single Thread Indirect Branch Predictors */
#define X86_FEATURE_ZEN ( 7*32+28) /* "" CPU is AMD family 0x17 or above (Zen) */
#define X86_FEATURE_ZEN (7*32+28) /* "" CPU based on Zen microarchitecture */
#define X86_FEATURE_L1TF_PTEINV ( 7*32+29) /* "" L1TF workaround PTE inversion */
#define X86_FEATURE_IBRS_ENHANCED ( 7*32+30) /* Enhanced IBRS */
#define X86_FEATURE_MSR_IA32_FEAT_CTL ( 7*32+31) /* "" MSR IA32_FEAT_CTL configured */