[PATCH v1] x86/cpuid: Add AMX and SPEC_CTRL dependencies

Andi Kleen posted 1 patch 2 months ago
arch/x86/kernel/cpu/cpuid-deps.c | 4 ++++
1 file changed, 4 insertions(+)
[PATCH v1] x86/cpuid: Add AMX and SPEC_CTRL dependencies
Posted by Andi Kleen 2 months ago
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