From: Andi Kleen <ak@linux.intel.com>
To: x86@kernel.org
Cc: linux-kernel@vger.kernel.org, Andi Kleen <ak@linux.intel.com>
Subject: [PATCH v1] x86/cpuid: Add AMX and SPEC_CTRL dependencies
Date: Tue, 24 Sep 2024 10:01:28 -0700 [thread overview]
Message-ID: <20240924170128.2611854-1-ak@linux.intel.com> (raw)
Add some missing dependencies to the CPUID dependency table.
All the AMX features depend on AMX_TILE.
All the SPEC_CTRL features depend on SPEC_CTRL.
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
arch/x86/kernel/cpu/cpuid-deps.c | 4 ++++
1 file changed, 4 insertions(+)
diff --git a/arch/x86/kernel/cpu/cpuid-deps.c b/arch/x86/kernel/cpu/cpuid-deps.c
index 8bd84114c2d9..15c5ad01d1e2 100644
--- a/arch/x86/kernel/cpu/cpuid-deps.c
+++ b/arch/x86/kernel/cpu/cpuid-deps.c
@@ -83,6 +83,10 @@ static const struct cpuid_dep cpuid_deps[] = {
{ X86_FEATURE_AMX_TILE, X86_FEATURE_XFD },
{ X86_FEATURE_SHSTK, X86_FEATURE_XSAVES },
{ X86_FEATURE_FRED, X86_FEATURE_LKGS },
+ { X86_FEATURE_AMX_FP16, X86_FEATURE_AMX_TILE },
+ { X86_FEATURE_AMX_BF16, X86_FEATURE_AMX_TILE },
+ { X86_FEATURE_AMX_INT8, X86_FEATURE_AMX_TILE },
+ { X86_FEATURE_SPEC_CTRL_SSBD, X86_FEATURE_SPEC_CTRL },
{}
};
--
2.46.1
next reply other threads:[~2024-09-24 17:02 UTC|newest]
Thread overview: 2+ messages / expand[flat|nested] mbox.gz Atom feed top
2024-09-24 17:01 Andi Kleen [this message]
2025-04-06 18:02 ` [tip: x86/cpu] x86/cpuid: Add AMX and SPEC_CTRL dependencies tip-bot2 for Andi Kleen
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