Re: [PATCH] KVM: nVMX: don't reset kvm mmu twice

From: Radim KrÄmÃÅ
Date: Tue Mar 14 2017 - 16:39:21 EST


2017-03-12 00:53-0800, Wanpeng Li:
> From: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
>
> kvm mmu is reset once successfully loading CR3 as part of emulating vmentry
> in nested_vmx_load_cr3(). We should not reset kvm mmu twice.
>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
> Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
> ---

Queued, thanks.

> arch/x86/kvm/vmx.c | 2 --
> 1 file changed, 2 deletions(-)
>
> diff --git a/arch/x86/kvm/vmx.c b/arch/x86/kvm/vmx.c
> index 98e82ee..bca8d7a 100644
> --- a/arch/x86/kvm/vmx.c
> +++ b/arch/x86/kvm/vmx.c
> @@ -10286,8 +10286,6 @@ static int prepare_vmcs02(struct kvm_vcpu *vcpu, struct vmcs12 *vmcs12,
> entry_failure_code))
> return 1;
>
> - kvm_mmu_reset_context(vcpu);
> -
> if (!enable_ept)
> vcpu->arch.walk_mmu->inject_page_fault = vmx_inject_page_fault_nested;
>
> --
> 2.7.4
>