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qemu
i386-Add-macro-for-stibp.patch
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File i386-Add-macro-for-stibp.patch of Package qemu
From: Cathy Zhang <cathy.zhang@intel.com> Date: Tue, 22 Oct 2019 15:35:27 +0800 Subject: i386: Add macro for stibp Git-commit: 5af514d0cb314f43bc53f2aefb437f6451d64d0c References: jsc#SLE-7923 stibp feature is already added through the following commit. https://github.com/qemu/qemu/commit/0e8916582991b9fd0b94850a8444b8b80d0a0955 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> Signed-off-by: Bruce Rogers <brogers@suse.com> --- target/i386/cpu.h | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/i386/cpu.h b/target/i386/cpu.h index 39d37e12256069b92c7998590849..af282936a785a25f651d0db1a8cf 100644 --- a/target/i386/cpu.h +++ b/target/i386/cpu.h @@ -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 */
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