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x86/cpuid: Introduce <asm/cpuid/leaf_types.h>

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To centralize all CPUID access across the x86 subsystem, introduce
<asm/cpuid/leaf_types.h>.  It is generated by the x86-cpuid-db project¹ and
provides C99 bitfield listings for all publicly known CPUID leaves.

¹ https://gitlab.com/x86-cpuid.org/x86-cpuid-db/-/blob/v3.0/CHANGELOG.rst

Suggested-by: Thomas Gleixner <tglx@kernel.org>
Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://lore.kernel.org/20260327021645.555257-1-darwi@linutronix.de
This commit is contained in:
Ahmed S. Darwish 2026-03-27 03:15:21 +01:00 committed by Borislav Petkov (AMD)
parent 5fbe09ebb4
commit 202311a754
2 changed files with 2351 additions and 0 deletions
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MAINTAINERS
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@ -28859,6 +28859,7 @@ R: Ahmed S. Darwish <darwi@linutronix.de>
L: x86-cpuid@lists.linux.dev
S: Maintained
W: https://x86-cpuid.org
F: arch/x86/include/asm/cpuid/leaf_types.h
F: tools/arch/x86/kcpuid/
X86 ENTRY CODE

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arch/x86/include/asm/cpuid/leaf_types.h Normal file
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