From: David Hildenbrand <david@redhat.com>
Date: Thu, 24 Aug 2017 18:51:29 +0000 (+0200)
Subject: KVM: VMX: call ept_sync_global() with enable_ept only
X-Git-Url: http://git.lede-project.org./?a=commitdiff_plain;h=fdf288bf726a491ff1e300c245194be48a6882fd;p=openwrt%2Fstaging%2Fblogic.git

KVM: VMX: call ept_sync_global() with enable_ept only

ept_* function should only be called with enable_ept being set.

Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Signed-off-by: Radim Krčmář <rkrcmar@redhat.com>
---

diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
index c757070a32a7..7d944d3feb8a 100644
--- a/arch/x86/kvm/vmx.c
+++ b/arch/x86/kvm/vmx.c
@@ -3542,7 +3542,8 @@ static int hardware_enable(void)
 		wrmsrl(MSR_IA32_FEATURE_CONTROL, old | test_bits);
 	}
 	kvm_cpu_vmxon(phys_addr);
-	ept_sync_global();
+	if (enable_ept)
+		ept_sync_global();
 
 	return 0;
 }