Messages in this thread | | | From | Len Brown <> | Date | Fri, 9 Apr 2021 16:55:30 -0400 | Subject | Re: Candidate Linux ABI for Intel AMX and hypothetical new related features |
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On Wed, Mar 31, 2021 at 6:54 PM Borislav Petkov <bp@alien8.de> 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
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