On Thu, Feb 16, 2017 at 05:04:49PM +0100, Radim Krčmář wrote: ... > diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h > index 2cc438685af8..563cf964dc5c 100644 > --- a/include/linux/kvm_host.h > +++ b/include/linux/kvm_host.h > @@ -1101,6 +1101,11 @@ static inline int kvm_ioeventfd(struct kvm *kvm, struct kvm_ioeventfd *args) > * should contain kvm_vcpu_kick(). > */ > > +static inline bool kvm_request_pending(struct kvm_vcpu *vcpu) > +{ > + return vcpu->requests; How about wrapping this with READ_ONCE for good measure? > +} > + > static inline void __kvm_request_set(unsigned req, struct kvm_vcpu *vcpu) > { > set_bit(req, &vcpu->requests); > -- > 2.11.1 > Thanks, drew