| commit | 62635ea8c18f0f62df4cc58379e4f1d33afd5801 | [log] [tgz] |
|---|---|---|
| author | Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> | Thu Jan 11 09:53:35 2018 +0900 |
| committer | Tejun Heo <tj@kernel.org> | Fri Jan 12 11:39:49 2018 -0800 |
| tree | 31dbe0ad060063595b2c088e5d1ccd88bde93974 | |
| parent | 01dfee9582d9b4403c4902df096ed8b43d55181c [diff] |
workqueue: avoid hard lockups in show_workqueue_state() show_workqueue_state() can print out a lot of messages while being in atomic context, e.g. sysrq-t -> show_workqueue_state(). If the console device is slow it may end up triggering NMI hard lockup watchdog. Signed-off-by: Sergey Senozhatsky <sergey.senozhatsky@gmail.com> Signed-off-by: Tejun Heo <tj@kernel.org> Cc: stable@vger.kernel.org # v4.5+