Commit 51712072 authored by Eric Biggers's avatar Eric Biggers Committed by Ingo Molnar
Browse files

x86/cpufeatures: Make AVX-VNNI depend on AVX 



The 'noxsave' boot option disables support for AVX, but support for the
AVX-VNNI feature was still declared on CPUs that support it.  Fix this.

Signed-off-by: default avatarEric Biggers <ebiggers@google.com>
Signed-off-by: default avatarIngo Molnar <mingo@kernel.org>
Cc: Dave Hansen <dave.hansen@linux.intel.com>
Link: https://lore.kernel.org/r/20250220060124.89622-1-ebiggers@kernel.org
parent b522f180

arch/x86/kernel/cpu/cpuid-deps.c

+1 −0
Original line number Diff line number Diff line
@@ -45,6 +45,7 @@ static const struct cpuid_dep cpuid_deps[] = { 
	{ X86_FEATURE_AES,			X86_FEATURE_XMM2      },

	{ X86_FEATURE_SHA_NI,			X86_FEATURE_XMM2      },

	{ X86_FEATURE_GFNI,			X86_FEATURE_XMM2      },

	{ X86_FEATURE_AVX_VNNI,			X86_FEATURE_AVX       },

	{ X86_FEATURE_FMA,			X86_FEATURE_AVX       },

	{ X86_FEATURE_VAES,			X86_FEATURE_AVX       },

	{ X86_FEATURE_VPCLMULQDQ,		X86_FEATURE_AVX       },