[PATCH 9/9] KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL

From: KarimAllah Ahmed [ Based on a patch from Paolo Bonzini ] ... basically doing exactly what we do for VMX: - Passthrough SPEC_CTRL to guests (if enabled in guest CPUID) - Save and restore SPEC_CTRL around VMExit and VMEntry only if the guest

[PATCH 9/9] KVM/SVM: Allow direct access to MSR_IA32_SPEC_CTRL

From: KarimAllah Ahmed [ Based on a patch from Paolo Bonzini ] ... basically doing exactly what we do for VMX: - Passthrough SPEC_CTRL to guests (if enabled in guest CPUID) - Save and restore SPEC_CTRL around VMExit and VMEntry only if the guest actually used it. Signed-off-by: KarimAllah