On Sun, Oct 27, 2024 at 09:02:48PM -0500, Mario Limonciello wrote:
> +__always_inline void reset_hardware_history_hetero(void)
> +{
> + if (static_branch_unlikely(&hardware_history_features))
> + wrmsrl(AMD_WORKLOAD_HRST, 0x1);
Get rid of all of the other crap - the static key and that
reset_hardware_history_hetero() silly thing and do
/* Reset hw history on AMD CPUs */
if (cpu_feature_enabled(X86_FEATURE_AMD_WORKLOAD_CLASS))
wrmsrl(AMD_WORKLOAD_HRST, 0x1);
in __switch_to().
Nothing else.
Thx.
--
Regards/Gruss,
Boris.
https://people.kernel.org/tglx/notes-about-netiquette
