Re: [PATCH 02/20] perf/x86/intel: Fix ARCH_PERFMON_NUM_COUNTER_LEAF

[Peter Zijlstra]

On Mon, Jan 27, 2025 at 11:43:53AM -0500, Liang, Kan wrote:

> But they are used for a 64-bit register.
> The ARCH_PERFMON_NUM_COUNTER_LEAF is for the CPUID enumeration, which is
> a u32.

A well, but CPUID should be using unions, no?

we have cpuid10_e[abd]x cpuid28_e[abc]x, so wheres cpuid23_e?x at?