Re: [PATCH 2/2] KVM: X86: Don't block vCPU if there is pending exception

From: Paolo Bonzini
Date: Wed Sep 13 2017 - 17:33:51 EST


On 13/09/2017 13:04, Wanpeng Li wrote:
> From: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
>
> Don't block vCPU if there is pending exception.
>
> Cc: Paolo Bonzini <pbonzini@xxxxxxxxxx>
> Cc: Radim KrÄmÃÅ <rkrcmar@xxxxxxxxxx>
> Signed-off-by: Wanpeng Li <wanpeng.li@xxxxxxxxxxx>
> ---
> arch/x86/kvm/x86.c | 3 +++
> 1 file changed, 3 insertions(+)
>
> diff --git a/arch/x86/kvm/x86.c b/arch/x86/kvm/x86.c
> index 6069af8..1a0dce4 100644
> --- a/arch/x86/kvm/x86.c
> +++ b/arch/x86/kvm/x86.c
> @@ -8452,6 +8452,9 @@ static inline bool kvm_vcpu_has_events(struct kvm_vcpu *vcpu)
> if (vcpu->arch.pv.pv_unhalted)
> return true;
>
> + if (vcpu->arch.exception.pending)
> + return true;
> +
> if (kvm_test_request(KVM_REQ_NMI, vcpu) ||
> (vcpu->arch.nmi_pending &&
> kvm_x86_ops->nmi_allowed(vcpu)))
>

Ok for 4.14-rc.

Reviewed-by: Paolo Bonzini <pbonzini@xxxxxxxxxx>

Paolo