Modify EFER won't result in mode switch directly. After EFER.LME set, the following set CR0.PG would result in mode switch to IA32e. And the later action already covered by kvm_set_cr0(). Signed-off-by: Sheng Yang <sheng@xxxxxxxxxxxxxxx> --- arch/x86/kvm/x86.c | 1 - 1 files changed, 0 insertions(+), 1 deletions(-) diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c index 764f89b..b59fc67 100644 --- a/arch/x86/kvm/x86.c +++ b/arch/x86/kvm/x86.c @@ -721,7 +721,6 @@ static int set_efer(struct kvm_vcpu *vcpu, u64 efer) kvm_x86_ops->set_efer(vcpu, efer); vcpu->arch.mmu.base_role.nxe = (efer & EFER_NX) && !tdp_enabled; - kvm_mmu_reset_context(vcpu); return 0; } -- 1.7.0.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html