Re: [PATCH v1 1/1] x86: Skip WBINVD instruction for VM guest

Borislav Petkov
2021-11-16T16:24:41Z

On Mon, Nov 15, 2021 at 04:50:27PM -0800, Kuppuswamy Sathyanarayanan wrote:
> -#define ACPI_FLUSH_CPU_CACHE() wbinvd()
> +#define ACPI_FLUSH_CPU_CACHE() \
> +do { \
> + if (!boot_cpu_has(X86_FEATURE_HYPERVISOR)) \

cpu_feature_enabled()

If you wanna query a X86_FEATURE_* bit, from now on, use only this
function.

--
Regards/Gruss,
Boris.