On 10/7/19 3:16 PM, Pavel Begunkov (Silence) wrote: > From: Pavel Begunkov <[email protected]> > > blk_stat_add() calls {get,put}_cpu_ptr() in a loop, which entails > overhead of disabling/enabling preemption. The loop is under RCU > (i.e.short) anyway, so do get_cpu() in advance.
Looks good, applied for 5.5. -- Jens Axboe
