On Wed, Mar 31, 2021 at 6:54 PM Borislav Petkov <bp@xxxxxxxxx> wrote: > > On Wed, Mar 31, 2021 at 06:28:27PM -0400, Len Brown wrote: > > dynamic XCR0 breaks the installed base, I thought we had established > > that. > > We should do a clear cut and have legacy stuff which has its legacy > expectations on the XSTATE layout and not touch those at all. > > And then all new apps which will use these new APIs can go and request > whatever fancy new state constellations we support. Including how they > want their signals handled, etc. > > Fat states like avx512, amx etc will be off by default and apps > explicitly requesting those, can get them. > > That's it. 100% agreement from me! (does anybody disagree?) thanks, Len Brown, Intel Open Source Technology Center
