On Wednesday, 2022-02-16 at 22:04:33 -08, Yang Zhong wrote:
> From: Zeng Guang
>
> 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
From: Zeng Guang
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.