On Wed, Aug 12, 2026 at 07:14:58PM -0700, Eric Biggers wrote: > This series consolidates and cleans up how the kernel handles CPU > feature flags for AVX and AVX-512 when the underlying OS or hypervisor > (if any) doesn't enable the required xstate features in XCR0. > > Specifically, it makes the checks for xstate features be done in a > single place at boot time for both UML and native x86, instead of > everywhere kernel code wants to check for AVX or AVX-512 support. > > Patch 8 then adds an AVX-512 optimized implementation of xor_gen() for > RAID, which had been blocked on confusion around cpu_has_xfeatures() and > its lack of implementation on UML.
Sashiko complains about a missing VZEROUPPER there in patch 8: https://sashiko.dev/#/patchset/20260813021506.55129-1-ebiggers%40kernel.org Otherwise, LGTM. I can queue them all into tip after the merge window opens. Thx. -- Regards/Gruss, Boris. https://people.kernel.org/tglx/notes-about-netiquette
