On 12/17/20 9:43 AM, Sebastian Andrzej Siewior wrote: > On 2020-12-08 13:13:19 [+0000], Christoph Hellwig wrote: >> On Mon, Dec 07, 2020 at 04:52:57PM -0700, Jens Axboe wrote: >>> On 12/4/20 12:13 PM, Sebastian Andrzej Siewior wrote: >>>> Controllers with multiple queues have their IRQ-handelers pinned to a >>>> CPU. The core shouldn't need to complete the request on a remote CPU. >>>> >>>> Remove this case and always raise the softirq to complete the request. >>> >>> I don't like this one at all, it'll add a softirq jump for the fast path >>> for eg nvme devices. >> >> For the real fast path, that is either a polled queue or irq driven >> queues that only map to a single CPU we are never reaching this code, >> so I'm not too worried. Not that I'd complain about numbers, preferably >> in the commit log. > > Did Daniel provide all the numbers you/Jens were looking for or do we > still wait for some? Yeah, I think we're good at this point. I'll queue this up for 5.11. -- Jens Axboe
