On 5/12/2022 7:35 PM, Yu Kuai wrote: > If bfq_schedule_dispatch() is called from bfq_idle_slice_timer_body(), > then 'bfqd->queued' is read without holding 'bfqd->lock'. This is > wrong since it can be wrote concurrently. > > Fix the problem by holding 'bfqd->lock' in such case. > > Signed-off-by: Yu Kuai <yukuai3@xxxxxxxxxx> > Reviewed-by: Jan Kara <jack@xxxxxxx> > --- Reviewed-by: Chaitanya Kulkarni <kch@xxxxxxxxxx> -ck
