On Fri, 15 Feb 2019, Thomas Gleixner wrote: > On Fri, 15 Feb 2019, Marc Zyngier wrote: > > > + */ > > > + if (nrirqs == 1) > > > + nr_read_queues = 0; > > > + else if (write_queues >= nrirqs) > > > + nr_read_queues = nrirqs - 1; > > > > ... while this seem to ensure that we carve out one write queue out of > > the irq set. It looks like a departure from the original code, which > > would set nr_read_queues to 1 in that particular case. > > Bah. right you are. That needs to be: nr_read_queues = 1; obviously. /me blushes.