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[v2,1/8] KVM: nEPT: Advertise WB type EPTP

Message ID 35cf8256a3f02d5cae13d08d9b0bf636e022f319.1375778397.git.jan.kiszka@web.de (mailing list archive)
State New, archived
Headers show

Commit Message

Jan Kiszka Aug. 6, 2013, 8:39 a.m. UTC 
From: Jan Kiszka <jan.kiszka@siemens.com>

At least WB must be possible.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Reviewed-by: Gleb Natapov <gleb@redhat.com>
---
 arch/x86/kvm/vmx.c |    4 ++--
 1 files changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index 00af1ef..773b54d 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