On Mon, May 07, 2018 at 07:25:00PM +0200, Paolo Bonzini wrote: > Even though the eventfd is released after the KVM SRCU grace period > elapses, the conn_to_evt data structure itself is not; it uses RCU > internally, instead. Fix the read-side critical section to happen > under rcu_read_lock/unlock; the result is still protected by > vcpu->kvm->srcu. > > Signed-off-by: Paolo Bonzini <pbonzini@xxxxxxxxxx> > --- > arch/x86/kvm/hyperv.c | 4 +++- > 1 file changed, 3 insertions(+), 1 deletion(-) Reviewed-by: Roman Kagan <rkagan@xxxxxxxxxxxxx>
