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| author | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 17:31:38 -0800 |
|---|---|---|
| committer | Linus Torvalds <torvalds@g5.osdl.org> | 2006-01-09 17:31:38 -0800 |
| commit | 80c0531514516e43ae118ddf38424e06e5c3cb3c (patch) | |
| tree | 2eef8cf8fdf505b18f83078d1eb41167e98f5b54 /drivers/char/sysrq.c | |
| parent | a457aa6c2bdd743bbbffd3f9e4fdbd8c71f8af1b (diff) | |
| parent | 11b751ae8c8ca3fa24c85bd5a3e51dd9f95cda17 (diff) | |
Merge master.kernel.org:/pub/scm/linux/kernel/git/mingo/mutex-2.6
Diffstat (limited to 'drivers/char/sysrq.c')
| -rw-r--r-- | drivers/char/sysrq.c | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/drivers/char/sysrq.c b/drivers/char/sysrq.c index 145275ebdd7e..5765f672e853 100644 --- a/drivers/char/sysrq.c +++ b/drivers/char/sysrq.c @@ -153,6 +153,21 @@ static struct sysrq_key_op sysrq_mountro_op = { /* END SYNC SYSRQ HANDLERS BLOCK */ +#ifdef CONFIG_DEBUG_MUTEXES + +static void +sysrq_handle_showlocks(int key, struct pt_regs *pt_regs, struct tty_struct *tty) +{ + mutex_debug_show_all_locks(); +} + +static struct sysrq_key_op sysrq_showlocks_op = { + .handler = sysrq_handle_showlocks, + .help_msg = "show-all-locks(D)", + .action_msg = "Show Locks Held", +}; + +#endif /* SHOW SYSRQ HANDLERS BLOCK */ @@ -294,7 +309,11 @@ static struct sysrq_key_op *sysrq_key_table[SYSRQ_KEY_TABLE_LENGTH] = { #else /* c */ NULL, #endif +#ifdef CONFIG_DEBUG_MUTEXES +/* d */ &sysrq_showlocks_op, +#else /* d */ NULL, +#endif /* e */ &sysrq_term_op, /* f */ &sysrq_moom_op, /* g */ NULL, |