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i386: Add macro for stibp 

stibp feature is already added through the following commit.
0e89165829

Add a macro for it to allow CPU models to report it when host supports.

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: <1571729728-23284-3-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 15:35:27 +08:00 committed by Eduardo Habkost
parent 77b168d221
commit 5af514d0cb
1 changed files with 2 additions and 0 deletions
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2
target/i386/cpu.h
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@ -771,6 +771,8 @@ typedef uint64_t FeatureWordArray[FEATURE_WORDS];
#define CPUID_7_0_EDX_AVX512_4FMAPS (1U << 3)
/* Speculation Control */
#define CPUID_7_0_EDX_SPEC_CTRL (1U << 26)
/* Single Thread Indirect Branch Predictors */
#define CPUID_7_0_EDX_STIBP (1U << 27)
/* Arch Capabilities */
#define CPUID_7_0_EDX_ARCH_CAPABILITIES (1U << 29)
/* Core Capability */