RE: Thoughts of AMX KVM support based on latest kernel

Thomas Gleixner
2021-11-17T12:24:22Z

Tian,

On Wed, Nov 17 2021 at 10:15, Tian, Kevin wrote:
> We are not sure whether such trick is worthwhile, since a sane
> guest shouldn't set XFD[AMX]=1 before storing the AMX state. This
> is why we want to seek SDM change to mark out that the software
> should not assume XTILEDATA is still valid when XFD[AMX]=1.

Yes, please. Anything else is just causing too much hackery for no
value.

Thanks,

tglx