提交 519a6adb 编写于 作者: D Daniel P. Berrangé

cpu: define the 'ssbd' CPUID feature bit (CVE-2018-3639)

New microcode introduces the "Speculative Store Bypass Disable"
CPUID feature bit. This needs to be exposed to guest OS to allow
them to protect against CVE-2018-3639.
Signed-off-by: NDaniel P. Berrangé <berrange@redhat.com>
Reviewed-by: NJiri Denemark <jdenemar@redhat.com>
(cherry picked from commit 1dbca2ec)
上级 13969ca5
......@@ -298,6 +298,9 @@
<feature name='spec-ctrl'>
<cpuid eax_in='0x07' ecx_in='0x00' edx='0x04000000'/>
</feature>
<feature name='ssbd'>
<cpuid eax_in='0x07' ecx_in='0x00' edx='0x80000000'/>
</feature>
<!-- Processor Extended State Enumeration sub leaf 1 -->
<feature name='xsaveopt'>
......
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