On 5/24/18 10:52 AM, Omar Sandoval wrote: > On Thu, May 24, 2018 at 03:49:10PM +0800, Ming Lei wrote: >> When the allocation process is scheduled back and the mapped hw queue is >> changed, fake one extra wake up on previous queue for compensating wake up >> miss, so other allocations on the previous queue won't be starved. >> >> This patch fixes one request allocation hang issue, which can be >> triggered easily in case of very low nr_request. >> >> Cc: <stable@xxxxxxxxxxxxxxx> >> Cc: Omar Sandoval <osandov@xxxxxx> > > Reviewed-by: Omar Sandoval <osandov@xxxxxx> > > The longer explanation you gave would be nice to have in the commit > message, but maybe Jens can add that when he applies it. Exactly, I had planned on augmenting the commit message since I don't think the above really explains it. I'll do that and get it applied. -- Jens Axboe