[PATCH v6 51/90] x86/cpuid: Parse CPUID(0xa) and CPUID(0x1c)
"Ahmed S. Darwish" <[email protected]> Fri, 27 Mar 2026 03:16:05 +0100
| Newsgroups | dev.linux.lists.x86-cpuid,org.kernel.vger.linux-kernel |
|---|---|
| Message-ID | <[email protected]> |
Parse CPUID(0xa) and CPUID(0x1c). This allows their call sites to be converted to the CPUID APIs next. Signed-off-by: Ahmed S. Darwish <[email protected]> --- arch/x86/include/asm/cpuid/types.h | 2 ++ arch/x86/kernel/cpu/cpuid_parser.h | 4 ++++ 2 files changed, 6 insertions(+) diff --git a/arch/x86/include/asm/cpuid/types.h b/arch/x86/include/asm/cpuid/types.h index f50e54bfb514..128898d4434b 100644 --- a/arch/x86/include/asm/cpuid/types.h +++ b/arch/x86/include/asm/cpuid/types.h @@ -212,6 +212,8 @@ struct cpuid_leaves { CPUID_LEAF ( 0x1, 0 ); CPUID_LEAF ( 0x2, 0 ); CPUID_LEAF_N ( 0x4, 8 ); + CPUID_LEAF ( 0xa, 0 ); + CPUID_LEAF ( 0x1c, 0 ); CPUID_LEAF ( 0x16, 0 ); CPUID_LEAF ( 0x80000000, 0 ); CPUID_LEAF ( 0x80000002, 0 ); diff --git a/arch/x86/kernel/cpu/cpuid_parser.h b/arch/x86/kernel/cpu/cpuid_parser.h index ab391de03a92..8e147e7223e0 100644 --- a/arch/x86/kernel/cpu/cpuid_parser.h +++ b/arch/x86/kernel/cpu/cpuid_parser.h @@ -146,6 +146,8 @@ struct cpuid_parse_entry { /* Leaf Subleaf Reader function */ \ CPUID_PARSE_ENTRY ( 0x2, 0, 0x2 ), \ CPUID_PARSE_ENTRY_N ( 0x4, deterministic_cache ), \ + CPUID_PARSE_ENTRY ( 0xa, 0, generic ), \ + CPUID_PARSE_ENTRY ( 0x1c, 0, generic ), \ CPUID_PARSE_ENTRY ( 0x16, 0, generic ), \ CPUID_PARSE_ENTRY ( 0x80000000, 0, 0x80000000 ), \ CPUID_PARSE_ENTRY ( 0x80000002, 0, generic ), \ @@ -198,7 +200,9 @@ struct cpuid_vendor_entry { /* Leaf Vendor list */ \ CPUID_VENDOR_ENTRY(0x2, X86_VENDOR_INTEL, X86_VENDOR_CENTAUR, X86_VENDOR_ZHAOXIN),\ CPUID_VENDOR_ENTRY(0x4, X86_VENDOR_INTEL, X86_VENDOR_CENTAUR, X86_VENDOR_ZHAOXIN),\ + CPUID_VENDOR_ENTRY(0xa, X86_VENDOR_INTEL, X86_VENDOR_CENTAUR, X86_VENDOR_ZHAOXIN),\ CPUID_VENDOR_ENTRY(0x16, X86_VENDOR_INTEL), \ + CPUID_VENDOR_ENTRY(0x1c, X86_VENDOR_INTEL), \ CPUID_VENDOR_ENTRY(0x8000001d, X86_VENDOR_AMD, X86_VENDOR_HYGON), \ CPUID_VENDOR_ENTRY(0x80860000, X86_VENDOR_TRANSMETA), \ CPUID_VENDOR_ENTRY(0x80860001, X86_VENDOR_TRANSMETA), \ -- 2.53.0