Re: [PATCH RFC v2 0/9] x86: Support Intel Advanced Performance Extensions
From: Ingo Molnar
Date: Tue Mar 25 2025 - 06:25:16 EST
* Chang S. Bae <chang.seok.bae@xxxxxxxxx> wrote:
> Chang S. Bae (9):
> x86/fpu/xstate: Remove xstate offset check
> x86/fpu/xstate: Introduce xfeature order table and accessor macro
> x86/fpu/xstate: Adjust XSAVE buffer size calculation
> x86/fpu/xstate: Adjust xstate copying logic for user ABI
So I've applied these first 4 as preparatory patches to tip:x86/fpu,
let's get these tested a bit broadly.
> x86/cpufeatures: Add X86_FEATURE_APX
> x86/fpu/apx: Define APX state component
> x86/fpu/apx: Disallow conflicting MPX presence
> x86/fpu/apx: Enable APX state support
> selftests/x86/apx: Add APX test
Planning to apply these remaining 5 as well in a couple of days, if all
goes well with the others.
Thanks,
Ingo