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authorJan Kiszka <jan.kiszka@siemens.com>2013-08-06 12:39:55 +0400
committerPaolo Bonzini <pbonzini@redhat.com>2013-08-07 17:57:46 +0400
commitca72d970ff9aaf6f7e321ead9d4775c5aa0cdb0b (patch)
treefdb848278b41aac8e8a54222708ca12a3c196c04 /arch
parent44811c02ed94abbf0b0978c8bcce4f2603b11651 (diff)
downloadlinux-ca72d970ff9aaf6f7e321ead9d4775c5aa0cdb0b.tar.xz
KVM: nEPT: Advertise WB type EPTP
At least WB must be possible. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Reviewed-by: Gleb Natapov <gleb@redhat.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'arch')
-rw-r--r--arch/x86/kvm/vmx.c4
1 files changed, 2 insertions, 2 deletions
diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 6d53dc33c0b0..c041023f5d8b 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -2251,8 +2251,8 @@ static __init void nested_vmx_setup_ctls_msrs(void)
if (enable_ept) {
/* nested EPT: emulate EPT also to L1 */
nested_vmx_secondary_ctls_high |= SECONDARY_EXEC_ENABLE_EPT;
- nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT;
- nested_vmx_ept_caps |= VMX_EPT_INVEPT_BIT;
+ nested_vmx_ept_caps = VMX_EPT_PAGE_WALK_4_BIT |
+ VMX_EPTP_WB_BIT | VMX_EPT_INVEPT_BIT;
nested_vmx_ept_caps &= vmx_capability.ept;
/*
* Since invept is completely emulated we support both global