diff mbox series

[v1,RESEND,2/9] x86/kvm/mmu.c: set get_pdptr hook in kvm_init_shadow_ept_mmu()

Message ID 20180918160906.9241-3-vkuznets@redhat.com (mailing list archive)
State New, archived
Headers show
Series x86/kvm/nVMX: optimize MMU switch between L1 and L2 | expand

Commit Message

Vitaly Kuznetsov Sept. 18, 2018, 4:08 p.m. UTC 
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 <vkuznets@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 arch/x86/kvm/mmu.c | 2 ++
 1 file changed, 2 insertions(+)
diff mbox series

Patch

diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 3a0415fc66fa..8ca91a53c2aa 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -4846,6 +4846,8 @@  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;
+	context->get_pdptr = kvm_pdptr_read;
+
 	update_permission_bitmask(vcpu, context, true);
 	update_pkru_bitmask(vcpu, context, true);
 	update_last_nonleaf_level(vcpu, context);