On 22.10.2020 09:42, Juergen Gross wrote: > --- a/drivers/xen/events/events_fifo.c > +++ b/drivers/xen/events/events_fifo.c > @@ -236,6 +236,9 @@ static bool clear_masked_cond(volatile event_word_t *word) > > w = *word; > > + if (!(w & (1 << EVTCHN_FIFO_MASKED))) > + return true;
Maybe better move this ... > do { > if (w & (1 << EVTCHN_FIFO_PENDING)) > return false; > ... into the loop, above this check? Jan