On 8/19/23 16:05, Jens Axboe wrote:
On 8/15/23 11:31 AM, Pavel Begunkov wrote:
Queues heads and tails cache line aligned. That makes sq, cq taking 4
lines or 5 lines if we include the rest of struct io_rings (e.g.
sq_flags is frequently accessed).
Since modern io_uring is mostly single threaded, it doesn't make much
send to sread them as such, it wastes space and puts additional pressure
"sense to spread". Can fix up while applying. Change itself looks good
to me.
I'll be resending as we agreed, will fix it up, thanks
--
Pavel Begunkov