On 04/06/2016 00:26, Stefan Hajnoczi wrote:
> It turns out that Patch 1 slows down dataplane even though the code
> looks equivalent. After a lot of poking it turned out to be a subtle
> issue:
>
> The order of BHs in the AioContext->first_bh list affects performance.
> Linux AIO (block/linux-a
Hi,
On Sat, Jun 4, 2016 at 12:26 AM, Stefan Hajnoczi wrote:
> On Thu, Jun 02, 2016 at 05:19:41PM -0700, Stefan Hajnoczi wrote:
>> On Mon, May 30, 2016 at 06:25:58PM -0700, Stefan Hajnoczi wrote:
>> > v2:
>> > * Simplify s->rq live migration [Paolo]
>> > * Use more efficient bitmap ops for batch
On Thu, Jun 02, 2016 at 05:19:41PM -0700, Stefan Hajnoczi wrote:
> On Mon, May 30, 2016 at 06:25:58PM -0700, Stefan Hajnoczi wrote:
> > v2:
> > * Simplify s->rq live migration [Paolo]
> > * Use more efficient bitmap ops for batch notification [Paolo]
> > * Fix perf regression due to batch notify
On Mon, May 30, 2016 at 06:25:58PM -0700, Stefan Hajnoczi wrote:
> v2:
> * Simplify s->rq live migration [Paolo]
> * Use more efficient bitmap ops for batch notification [Paolo]
> * Fix perf regression due to batch notify BH in wrong AioContext [Christian]
>
> The virtio_blk guest driver has su
v2:
* Simplify s->rq live migration [Paolo]
* Use more efficient bitmap ops for batch notification [Paolo]
* Fix perf regression due to batch notify BH in wrong AioContext [Christian]
The virtio_blk guest driver has supported multiple virtqueues since Linux 3.17.
This patch series adds multiple
