The following commit has been merged into the x86/urgent branch of tip:
Commit-ID: 517120728484df1ab8b71cba8d2cad19f52f18a1
Gitweb: https://git.kernel.org/tip/517120728484df1ab8b71cba8d2cad19f52f18a1
Author: Eric Biggers <ebiggers@xxxxxxxxxx>
AuthorDate: Wed, 19 Feb 2025 22:01:24 -08:00
Committer: Ingo Molnar <mingo@xxxxxxxxxx>
CommitterDate: Fri, 21 Feb 2025 14:19:16 +01:00
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: Eric Biggers <ebiggers@xxxxxxxxxx>
Signed-off-by: Ingo Molnar <mingo@xxxxxxxxxx>
Cc: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
Link: https://lore.kernel.org/r/20250220060124.89622-1-ebiggers@xxxxxxxxxx
---
arch/x86/kernel/cpu/cpuid-deps.c | 1 +
1 file changed, 1 insertion(+)
diff --git a/arch/x86/kernel/cpu/cpuid-deps.c b/arch/x86/kernel/cpu/cpuid-deps.c
index 8bd8411..df838e3 100644
--- a/arch/x86/kernel/cpu/cpuid-deps.c
+++ b/arch/x86/kernel/cpu/cpuid-deps.c
@@ -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 },
|