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authorCathy Zhang <cathy.zhang@intel.com>2019-10-22 15:35:26 +0800
committerEduardo Habkost <ehabkost@redhat.com>2019-12-13 16:32:19 -0300
commit77b168d221191156c47fcd8d1c47329dfdb9439e (patch)
tree774f8e9547bcbe1a55cb549411a4c97421d563a2
parent4148d142a8cbbce10bb77e560997ae6b482e5edf (diff)
downloadfocaccia-qemu-77b168d221191156c47fcd8d1c47329dfdb9439e.tar.gz
focaccia-qemu-77b168d221191156c47fcd8d1c47329dfdb9439e.zip
i386: Add MSR feature bit for MDS-NO
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>
-rw-r--r--target/i386/cpu.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/target/i386/cpu.h b/target/i386/cpu.h
index cde2a16b94..39d37e1225 100644
--- a/target/i386/cpu.h
+++ b/target/i386/cpu.h
@@ -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)