| commit | 656d9125376006cf696b0836f1c6723a892629ca | [log] [tgz] |
|---|---|---|
| author | Martin Schwidefsky <schwidefsky@de.ibm.com> | Fri Feb 17 10:29:22 2012 +0100 |
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Fri Feb 17 10:29:33 2012 +0100 |
| tree | 0e5c7b817c01c408dc6edf28602c31a8b4fef299 | |
| parent | 2320c5793790fcda80e6dcc088dbda86040235e5 [diff] |
[S390] 3215 deadlock with tty_wakeup The 3215 driver calls tty_wakeup from irq context while holding the device spinlock. If printk is called by any function on the callchain starting from tty_wakeup the system deadlocks on the device spinlock. Using a tasklet to call tty_wakup solves the problem. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>