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i386: Add MSR feature bit for MDS-NO

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Define MSR_ARCH_CAP_MDS_NO in the IA32_ARCH_CAPABILITIES MSR to allow
CPU models to report the feature when host supports it.

Signed-off-by: Cathy Zhang <cathy.zhang@intel.com>
Reviewed-by: Xiaoyao Li <xiaoyao.li@intel.com>
Reviewed-by: Tao Xu <tao3.xu@intel.com>
Message-Id: <1571729728-23284-2-git-send-email-cathy.zhang@intel.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
This commit is contained in:
Cathy Zhang 2019-10-22 15:35:26 +08:00 committed by Eduardo Habkost
parent 4148d142a8
commit 77b168d221
1 changed files with 1 additions and 0 deletions
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target/i386/cpu.h
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@ -838,6 +838,7 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
#define MSR_ARCH_CAP_RSBA (1U << 2)
#define MSR_ARCH_CAP_SKIP_L1DFL_VMENTRY (1U << 3)
#define MSR_ARCH_CAP_SSB_NO (1U << 4)
#define MSR_ARCH_CAP_MDS_NO (1U << 5)
#define MSR_CORE_CAP_SPLIT_LOCK_DETECT (1U << 5)