> On Dec 22, 2021, at 6:52 AM, Hansen, Dave <dave.hansen@xxxxxxxxx> wrote: > > On 12/20/21 9:54 AM, Nakajima, Jun wrote: >>> So, I hope that save state 18 will be frozen to 8k. In that case, >>> and if palette 1 is frozen to the same values as today, >>> implementing migration will not be a problem; it will be >>> essentially the same as SSE->AVX (horizontal extension of existing >>> registers) and/or AVX->AVX512 (both horizontal and vertical >>> extension). >> >> I would like to confirm that the state component 18 will remain 8KB >> and palette 1 will remain the same. > > Is that an architectural statement that will soon be making its way into > the SDM? Yes, with the other clarifications (e.g. setting IA32_XFD[18]). Thanks, --- Jun
