If IBRS provides same mode (kernel/user or host/guest) protection on the host, then by definition it also provides same mode protection in the guest. In fact, all different modes from the guest's perspective are the same mode from the host's perspective anyway. Propagate IbrsSameMode to the guests. Signed-off-by: Yosry Ahmed <yosry.ahmed@xxxxxxxxx> --- arch/x86/kvm/cpuid.c | 1 + 1 file changed, 1 insertion(+) diff --git a/arch/x86/kvm/cpuid.c b/arch/x86/kvm/cpuid.c index edef30359c198..05d7bbfbb8885 100644 --- a/arch/x86/kvm/cpuid.c +++ b/arch/x86/kvm/cpuid.c @@ -1103,6 +1103,7 @@ void kvm_set_cpu_caps(void) F(AMD_SSB_NO), F(AMD_STIBP), F(AMD_STIBP_ALWAYS_ON), + F(AMD_IBRS_SAME_MODE), F(AMD_PSFD), F(AMD_IBPB_RET), ); -- 2.48.1.601.g30ceb7b040-goog
