Messages in this thread | ![/](/images/icornerl.gif) | | Date | Thu, 18 Apr 2024 07:24:10 -0700 | Subject | Re: [PATCH] x86/cpufeatures: Fix dependencies for GFNI, VAES, and VPCLMULQDQ | From | Dave Hansen <> |
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On 4/16/24 23:04, Eric Biggers wrote: > Fix cpuid_deps[] to list the correct dependencies for GFNI, VAES, and > VPCLMULQDQ. These features don't depend on AVX512, and there exist CPUs > that support these features but not AVX512. GFNI actually doesn't even > depend on AVX. > > This prevents GFNI from being unnecessarily disabled if AVX is disabled > to mitigate the GDS vulnerability.
Looks like the original commit was quite confused. Thanks for finding this.
Acked-by: Dave Hansen <dave.hansen@linux.intel.com>
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