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| author | Martin Schwidefsky <[email protected]> | 2012-02-17 09:29:22 +0000 |
|---|---|---|
| committer | Martin Schwidefsky <[email protected]> | 2012-02-17 09:29:33 +0000 |
| commit | 656d9125376006cf696b0836f1c6723a892629ca (patch) | |
| tree | 0e5c7b817c01c408dc6edf28602c31a8b4fef299 /lib/string_helpers.c | |
| parent | [S390] incorrect PageTables counter for kvm page tables (diff) | |
| download | kernel-656d9125376006cf696b0836f1c6723a892629ca.tar.gz kernel-656d9125376006cf696b0836f1c6723a892629ca.zip | |
[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 <[email protected]>
Diffstat (limited to 'lib/string_helpers.c')
0 files changed, 0 insertions, 0 deletions