Re: [PATCH v5 5/5] vhost-user-blk: default num_queues to -smp N

2020-07-10 Thread Raphael Norwitz
On Fri, Jul 10, 2020 at 5:53 AM Stefan Hajnoczi wrote: > > On Thu, Jul 09, 2020 at 11:02:24AM -0700, Raphael Norwitz wrote: > > On Mon, Jul 6, 2020 at 7:00 AM Stefan Hajnoczi wrote: > > > diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c > > > index a00b854736..39aec42dae 100644

Re: [PATCH v5 5/5] vhost-user-blk: default num_queues to -smp N

2020-07-10 Thread Stefan Hajnoczi
On Thu, Jul 09, 2020 at 11:02:24AM -0700, Raphael Norwitz wrote: > On Mon, Jul 6, 2020 at 7:00 AM Stefan Hajnoczi wrote: > > diff --git a/hw/block/vhost-user-blk.c b/hw/block/vhost-user-blk.c > > index a00b854736..39aec42dae 100644 > > --- a/hw/block/vhost-user-blk.c > > +++

Re: [PATCH v5 5/5] vhost-user-blk: default num_queues to -smp N

2020-07-09 Thread Raphael Norwitz
On Mon, Jul 6, 2020 at 7:00 AM Stefan Hajnoczi wrote: > > Automatically size the number of request virtqueues to match the number > of vCPUs. This ensures that completion interrupts are handled on the > same vCPU that submitted the request. No IPI is necessary to complete > an I/O request and