diff mbox series

[PULL,1/4] i386: Add MSR feature bit for MDS-NO

Message ID 20191216193825.1794153-2-ehabkost@redhat.com (mailing list archive)
State New, archived
Headers show
Series [PULL,1/4] i386: Add MSR feature bit for MDS-NO | expand

Commit Message

Eduardo Habkost Dec. 16, 2019, 7:38 p.m. UTC 
From: Cathy Zhang <cathy.zhang@intel.com>

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>
---
 target/i386/cpu.h | 1 +
 1 file changed, 1 insertion(+)
diff mbox series

Patch

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)