pkg-c-cpp-reference.git - Debian package for c-cpp-reference

Age	Commit message (Expand)	Author	Files	Lines
2008-01-27	Initial import (2.0.2-6)2.0.2-6	Tobias Klauser	1	-0/+101

fo' class='commit-info'> authorJens Axboe <axboe@fb.com>2016-08-24 15:38:01 -0600 committerJens Axboe <axboe@fb.com>2016-08-24 15:38:01 -0600 commit0e87e58bf60edb6bb28e493c7a143f41b091a5e5 (patch) treef7da272dc09742028a98b3503ad32bf1f2db3c8d parente57690fe009b2ab0cee8a57f53be634540e49c9d (diff)

blk-mq: improve warning for running a queue on the wrong CPU

__blk_mq_run_hw_queue() currently warns if we are running the queue on a CPU that isn't set in its mask. However, this can happen if a CPU is being offlined, and the workqueue handling will place the work on CPU0 instead. Improve the warning so that it only triggers if the batch cpu in the hardware queue is currently online. If it triggers for that case, then it's indicative of a flow problem in blk-mq, so we want to retain it for that case. Signed-off-by: Jens Axboe <axboe@fb.com>

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