| commit | cdec2b753b487d9e8aab028231c35d87789ea083 | |
| author | Zeng Guang <guang.zeng@intel.com> | |
| Thu, 17 Feb 2022 06:04:33 +0000 (16 22:04 -0800) | ||
| committer | Paolo Bonzini <pbonzini@redhat.com> | |
| Tue, 15 Mar 2022 10:50:50 +0000 (15 11:50 +0100) | ||
| tree | dfa03fe16915fbf6d80ea43012a502e9d1de17d7 | treesnapshot (tar.gz zip) |
| parent | e56dd3c70abb31893c61ac834109fa7a38841330 | commitdiff |
x86: Support XFD and AMX xsave data migration
XFD(eXtended Feature Disable) allows to enable a
feature on xsave state while preventing specific
user threads from using the feature.
Support save and restore XFD MSRs if CPUID.D.1.EAX[4]
enumerate to be valid. Likewise migrate the MSRs and
related xsave state necessarily.
Signed-off-by: Zeng Guang <guang.zeng@intel.com>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20220217060434.52460-8-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
XFD(eXtended Feature Disable) allows to enable a
feature on xsave state while preventing specific
user threads from using the feature.
Support save and restore XFD MSRs if CPUID.D.1.EAX[4]
enumerate to be valid. Likewise migrate the MSRs and
related xsave state necessarily.
Signed-off-by: Zeng Guang <guang.zeng@intel.com>
Signed-off-by: Wei Wang <wei.w.wang@intel.com>
Signed-off-by: Yang Zhong <yang.zhong@intel.com>
Message-Id: <20220217060434.52460-8-yang.zhong@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
| target/i386/cpu.h | diffblobblamehistory | |
| target/i386/kvm/kvm.c | diffblobblamehistory | |
| target/i386/machine.c | diffblobblamehistory |