Messages in this thread | | | Subject | Re: [PATCH 03/13] x86/HV: Add new hvcall guest address host visibility support | From | Dave Hansen <> | Date | Thu, 29 Jul 2021 09:05:34 -0700 |
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On 7/29/21 8:02 AM, Tianyu Lan wrote: >> > > There is x86_hyper_type to identify hypervisor type and we may check > this variable after checking X86_FEATURE_HYPERVISOR. > > static inline bool hv_is_isolation_supported(void) > { > if (!cpu_feature_enabled(X86_FEATURE_HYPERVISOR)) > return 0; > > if (x86_hyper_type != X86_HYPER_MS_HYPERV) > return 0; > > // out of line function call: > return __hv_is_isolation_supported(); > }
Looks fine. You just might want to use this existing helper:
static inline bool hypervisor_is_type(enum x86_hypervisor_type type) { return x86_hyper_type == type; }
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