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| author | Jan Kara <[email protected]> | 2014-06-04 23:11:36 +0000 |
|---|---|---|
| committer | Linus Torvalds <[email protected]> | 2014-06-04 23:54:16 +0000 |
| commit | bd8d7cf5b8410fe98eba06a9aaa90efe88815d8a (patch) | |
| tree | c00e0af9d7fbed0b5e6d89d7b2b8348513103328 /lib/string.c | |
| parent | printk: release lockbuf_lock before calling console_trylock_for_printk() (diff) | |
| download | kernel-bd8d7cf5b8410fe98eba06a9aaa90efe88815d8a.tar.gz kernel-bd8d7cf5b8410fe98eba06a9aaa90efe88815d8a.zip | |
printk: fix lockdep instrumentation of console_sem
Printk calls mutex_acquire() / mutex_release() by hand to instrument
lockdep about console_sem. However in some corner cases the
instrumentation is missing. Fix the problem by creating helper functions
for locking / unlocking console_sem which take care of lockdep
instrumentation as well.
Signed-off-by: Jan Kara <[email protected]>
Reported-by: Fabio Estevam <[email protected]>
Reported-by: Andy Shevchenko <[email protected]>
Tested-by: Fabio Estevam <[email protected]>
Tested-By: Valdis Kletnieks <[email protected]>
Cc: Steven Rostedt <[email protected]>
Cc: Peter Zijlstra <[email protected]>
Cc: Ingo Molnar <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
Diffstat (limited to 'lib/string.c')
0 files changed, 0 insertions, 0 deletions