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| author | Sergey Senozhatsky <sergey.senozhatsky.work@gmail.com> | 2018-01-11 09:53:35 +0900 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2018-01-12 11:39:49 -0800 |
| commit | 62635ea8c18f0f62df4cc58379e4f1d33afd5801 (patch) | |
| tree | 31dbe0ad060063595b2c088e5d1ccd88bde93974 /kernel/ucount.c | |
| parent | 01dfee9582d9b4403c4902df096ed8b43d55181c (diff) | |
| download | lwn-62635ea8c18f0f62df4cc58379e4f1d33afd5801.tar.gz lwn-62635ea8c18f0f62df4cc58379e4f1d33afd5801.zip | |
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+
Diffstat (limited to 'kernel/ucount.c')
0 files changed, 0 insertions, 0 deletions