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From: Reto Buerki <reet@codelabs.ch>
To: kvm@vger.kernel.org
Subject: [RFC PATCH] KVM: VMX: Always sync CR3 to VMCS in nested_vmx_load_cr3
Date: Thu, 26 Sep 2019 16:05:41 +0200	[thread overview]
Message-ID: <20190926140541.15453-2-reet@codelabs.ch> (raw)
In-Reply-To: <20190926140541.15453-1-reet@codelabs.ch>

Required to make a Muen system work on KVM nested.

Signed-off-by: Reto Buerki <reet@codelabs.ch>
---
 arch/x86/kvm/vmx/nested.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/x86/kvm/vmx/nested.c b/arch/x86/kvm/vmx/nested.c
index 41abc62c9a8a..101b2c0c8480 100644
--- a/arch/x86/kvm/vmx/nested.c
+++ b/arch/x86/kvm/vmx/nested.c
@@ -1008,6 +1008,8 @@ static int nested_vmx_load_cr3(struct kvm_vcpu *vcpu, unsigned long cr3, bool ne
 		}
 	}
 
+	vmcs_writel(GUEST_CR3, cr3);
+
 	if (!nested_ept)
 		kvm_mmu_new_cr3(vcpu, cr3, false);
 
-- 
2.20.1


  reply	other threads:[~2019-09-26 14:15 UTC|newest]

Thread overview: 3+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-09-26 14:05 [RFC PATCH 0/1] KVM: VMX: Always sync CR3 to VMCS in nested_vmx_load_cr3 Reto Buerki
2019-09-26 14:05 ` Reto Buerki [this message]
2019-09-26 18:38   ` [RFC PATCH] " Sean Christopherson

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