On 2/13/25 08:13, Rik van Riel wrote:
> + /* Max number of pages INVLPGB can invalidate in one shot */
> + if (boot_cpu_has(X86_FEATURE_INVLPGB)) {
> + cpuid(0x80000008, &eax, &ebx, &ecx, &edx);
> + invlpgb_count_max = (edx & 0xffff) + 1;
> + }
> }
My only nit with this is that this adds a seventh place that the kernel
reads leaf 0x80000008. The users seem really random, though. Some
cross-vendor stuff, some very AMD-specific stuff.
So, I'll leave that at a nit since I don't have a good suggestion for
solving it:
Acked-by: Dave Hansen <dave.hansen@xxxxxxxxxxxxxxx>
