Re: [PATCH RFC 1/2] virtio: support for urgent descriptors

2014-09-21 Thread Michael S. Tsirkin
On Wed, Jul 09, 2014 at 09:58:43AM +0930, Rusty Russell wrote: Michael S. Tsirkin m...@redhat.com writes: Below should be useful for some experiments Jason is doing. I thought I'd send it out for early review/feedback. Compiled-only at this point. It's not a terrible idea, but it will

Re: [PATCH RFC 1/2] virtio: support for urgent descriptors

2014-07-08 Thread Rusty Russell
Michael S. Tsirkin m...@redhat.com writes: Below should be useful for some experiments Jason is doing. I thought I'd send it out for early review/feedback. Compiled-only at this point. It's not a terrible idea, but it will come down to how effective it is in practice. I'm tempted to make it

[PATCH RFC 1/2] virtio: support for urgent descriptors

2014-07-01 Thread Michael S. Tsirkin
Below should be useful for some experiments Jason is doing. I thought I'd send it out for early review/feedback. Compiled-only at this point. event idx feature allows us to defer interrupts until a specific # of descriptors were used. Sometimes it might be useful to get an interrupt after a