From: Vitaly Kuznetsov Date: Mon, 8 Oct 2018 19:28:06 +0000 (+0200) Subject: x86/kvm/mmu.c: set get_pdptr hook in kvm_init_shadow_ept_mmu() X-Git-Url: http://git.cdn.openwrt.org/?a=commitdiff_plain;h=3dc773e745234d904b09da37075200ec46af4e7a;p=openwrt%2Fstaging%2Fblogic.git x86/kvm/mmu.c: set get_pdptr hook in kvm_init_shadow_ept_mmu() kvm_init_shadow_ept_mmu() doesn't set get_pdptr() hook and is this not a problem just because MMU context is already initialized and this hook points to kvm_pdptr_read(). As we're intended to use a dedicated MMU for shadow EPT MMU set this hook explicitly. Signed-off-by: Vitaly Kuznetsov Signed-off-by: Paolo Bonzini Reviewed-by: Sean Christopherson --- diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c index dac9e977c703..5b14dcbd248a 100644 --- a/arch/x86/kvm/mmu.c +++ b/arch/x86/kvm/mmu.c @@ -4862,6 +4862,7 @@ void kvm_init_shadow_ept_mmu(struct kvm_vcpu *vcpu, bool execonly, context->root_level = PT64_ROOT_4LEVEL; context->direct_map = false; context->base_role.word = root_page_role.word & mmu_base_role_mask.word; + update_permission_bitmask(vcpu, context, true); update_pkru_bitmask(vcpu, context, true); update_last_nonleaf_level(vcpu, context); diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c index d243eba62340..fa7e46210a0d 100644 --- a/arch/x86/kvm/vmx.c +++ b/arch/x86/kvm/vmx.c @@ -11308,6 +11308,7 @@ static void nested_ept_init_mmu_context(struct kvm_vcpu *vcpu) vcpu->arch.mmu->set_cr3 = vmx_set_cr3; vcpu->arch.mmu->get_cr3 = nested_ept_get_cr3; vcpu->arch.mmu->inject_page_fault = nested_ept_inject_page_fault; + vcpu->arch.mmu->get_pdptr = kvm_pdptr_read; vcpu->arch.walk_mmu = &vcpu->arch.nested_mmu; }