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KVM: selftests: x86: Use host's native hypercall instruction in kvm_h…
…ypercall() Use the host CPU's native hypercall instruction, i.e. VMCALL vs. VMMCALL, in kvm_hypercall(), as relying on KVM to patch in the native hypercall on a #UD for the "wrong" hypercall requires KVM_X86_QUIRK_FIX_HYPERCALL_INSN to be enabled and flat out doesn't work if guest memory is encrypted with a private key, e.g. for SEV VMs. Suggested-by: Sean Christopherson <seanjc@google.com> Reviewed-by: David Matlack <dmatlack@google.com> Signed-off-by: Vishal Annapurve <vannapurve@google.com> Link: https://lore.kernel.org/r/20230111004445.416840-4-vannapurve@google.com Signed-off-by: Sean Christopherson <seanjc@google.com>
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