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x86: Add XFD faulting bit for state components
authorJing Liu <jing2.liu@intel.com>
Thu, 17 Feb 2022 06:04:30 +0000 (22:04 -0800)
committerPaolo Bonzini <pbonzini@redhat.com>
Tue, 15 Mar 2022 10:50:50 +0000 (11:50 +0100)
commit0f17f6b30f3b051f0f96ccc98c9f7f395713699f
tree4f48b710cb1a2e41b6621cc02599a0930d26c874tree
parent19db68ca68a78fa033a21d419036b6e416554564commit | diff
x86: Add XFD faulting bit for state components

Intel introduces XFD faulting mechanism for extended
XSAVE features to dynamically enable the features in
runtime. If CPUID (EAX=0Dh, ECX=n, n>1).ECX[2] is set
as 1, it indicates support for XFD faulting of this
state component.

Signed-off-by: Jing Liu <jing2.liu@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20220217060434.52460-5-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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