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x86/cpuid: Mark CPUID function 0x23 as being indexed

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Add function 0x23 to the set of CPUID functions that are indexed, as per
the SDM and the many sub-leafs defined in leaf_types.h.

Closes: https://lore.kernel.org/all/213d614fe73e183a230c8f4e0c8fa1cc3d45df39.camel@intel.com
Reported-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Signed-off-by: Sean Christopherson <seanjc@google.com>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Tested-by: Rick Edgecombe <rick.p.edgecombe@intel.com>
Cc: stable@vger.kernel.org
Link: https://patch.msgid.link/20261022210134.612848-2-seanjc@google.com
This commit is contained in:
Sean Christopherson 2026-10-22 14:01:32 -07:00 committed by Borislav Petkov (AMD)
parent ccc4d9f891
commit 108775fa28
1 changed files with 1 additions and 0 deletions
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arch/x86/include/asm/cpuid/api.h
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@ -181,6 +181,7 @@ static __always_inline bool cpuid_function_is_indexed(u32 function)
case 0x1d:
case 0x1e:
case 0x1f:
case 0x23:
case 0x24:
case 0x8000001d:
return true;