Re: [Qemu-devel] [RFC PATCH] vhost: fix lost interrupts from slow reacting back-end

2016-01-13 Thread Didier Pallard
On 01/13/2016 04:32 PM, Victor Kaplansky wrote: On Tue, Jan 12, 2016 at 01:05:52PM +0100, Didier Pallard wrote: On 01/12/2016 09:26 AM, Victor Kaplansky wrote: This RFC PATCH tries to solve the problem of lost interrupts >from a slow back-end. Didier could you test it? Thanks, Victor When in

Re: [Qemu-devel] [RFC PATCH] vhost: fix lost interrupts from slow reacting back-end

2016-01-13 Thread Victor Kaplansky
On Tue, Jan 12, 2016 at 01:05:52PM +0100, Didier Pallard wrote: > On 01/12/2016 09:26 AM, Victor Kaplansky wrote: > >This RFC PATCH tries to solve the problem of lost interrupts > >from a slow back-end. Didier could you test it? > > > >Thanks, Victor > > > >When interrupts are unmasked, it could ta

Re: [Qemu-devel] [RFC PATCH] vhost: fix lost interrupts from slow reacting back-end

2016-01-12 Thread Didier Pallard
On 01/12/2016 09:26 AM, Victor Kaplansky wrote: This RFC PATCH tries to solve the problem of lost interrupts from a slow back-end. Didier could you test it? Thanks, Victor When interrupts are unmasked, it could take some undefined time to the back-end to start routing events to guest_notifier.

[Qemu-devel] [RFC PATCH] vhost: fix lost interrupts from slow reacting back-end

2016-01-12 Thread Victor Kaplansky
This RFC PATCH tries to solve the problem of lost interrupts from a slow back-end. Didier could you test it? Thanks, Victor When interrupts are unmasked, it could take some undefined time to the back-end to start routing events to guest_notifier. Till that the events will continue flow to masked_