On Tue, Nov 8, 2016 at 10:39 AM, Kyle Huey <[email protected]> wrote: > Hardware support for faulting on the cpuid instruction is not required to > emulate it, because cpuid triggers a VM exit anyways. KVM handles the relevant > MSRs (MSR_PLATFORM_INFO and MSR_MISC_FEATURES_ENABLE) and upon a > cpuid-induced VM exit checks the cpuid faulting state and the CPL. > kvm_require_cpl is even kind enough to inject the GP fault for us. > > Signed-off-by: Kyle Huey <[email protected]>
Reviewed-by: David Matlack <[email protected]> (v10)
