Re: [PATCH v8 07/10] x86/vmscape: Use static_call() for predictor flush

bot+bpf-ci
2026-03-24T19:09:33Z

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> diff --git a/arch/x86/include/asm/cpufeatures.h b/arch/x86/include/asm/cpufeatures.h
> index dbe104df339b8..b4d529dd6d305 100644
> --- a/arch/x86/include/asm/cpufeatures.h
> +++ b/arch/x86/include/asm/cpufeatures.h
> @@ -503,7 +503,7 @@
> #define X86_FEATURE_CLEAR_CPU_BUF_VM (21*32+13) /* Clear CPU buffers using VERW before VMRUN */
> -#define X86_FEATURE_IBPB_EXIT_TO_USER (21*32+14) /* Use IBPB on exit-to-userspace, see VMSCAPE bug */
> +/* Free */
> #define X86_FEATURE_ABMC (21*32+15) /* Assignable Bandwidth Monitoring Counters */

Should the corresponding entry in
tools/arch/x86/include/asm/cpufeatures.h also be updated to match?
It still has:

#define X86_FEATURE_IBPB_EXIT_TO_USER (21*32+14)

tools/perf/check-headers.sh checks this file for sync with the main
header.

---
AI reviewed your patch. Please fix the bug or email reply why it's not a bug.
See: https://github.com/kernel-patches/vmtest/blob/master/ci/claude/README.md

CI run summary: https://github.com/kernel-patches/bpf/actions/runs/23506000396