tools/x86/kcpuid: Update bitfields to x86-cpuid-db v3.0

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Update kcpuid's CSV to version 3.0, as generated by x86-cpuid-db.

Summary of the v2.5 changes:

- Reduce the verbosity of leaf and bitfields descriptions, as formerly
  requested by Boris.
- Leaf 0x8000000a: Add Page Modification Logging (PML) bit.

Summary of the v3.0 changes:

- Leaf 0x23: Introduce subleaf 2, Auto Counter Reload (ACR)
- Leaf 0x23: Introduce subleaf 4/5, PEBS capabilities and counters
- Leaf 0x1c: Return LBR depth as a bitmask instead of individual bits
- Leaf 0x0a: Use more descriptive PMU bitfield names
- Leaf 0x0a: Add various missing PMU events
- Leaf 0x06: Add missing IA32_HWP_CTL flag
- Leaf 0x0f: Add missing non-CPU (IO) Intel RDT bits

Thanks to Dave Hansen for reporting multiple missing bits.

Signed-off-by: Ahmed S. Darwish <darwi@linutronix.de>
Signed-off-by: Borislav Petkov (AMD) <bp@alien8.de>
Link: https://gitlab.com/x86-cpuid.org/x86-cpuid-db/-/blob/v2.5/CHANGELOG.rst
Link: https://gitlab.com/x86-cpuid.org/x86-cpuid-db/-/blob/v3.0/CHANGELOG.rst

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This commit is contained in:

Ahmed S. Darwish

2026-03-27 03:15:17 +01:00

committed by Borislav Petkov (AMD)

parent 7f78e0b46e

commit 124ad3034e

1 changed files with 342 additions and 319 deletions

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tools/arch/x86/kcpuid/cpuid.csv

+342 -319

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