Messages in this thread | | | Subject | Re: [PATCH v1 1/1] x86: Skip WBINVD instruction for VM guest | From | Sathyanarayanan Kuppuswamy <> | Date | Tue, 16 Nov 2021 08:36:53 -0800 |
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Hi,
On 11/16/21 8:24 AM, Borislav Petkov wrote: > 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. >
Ok. I will change it in next version.
-- Sathyanarayanan Kuppuswamy Linux Kernel Developer
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