locking/lockdep: Only ask for /proc/lock_stat output when available
When lockdep turns itself off, the following message is logged: Please attach the output of /proc/lock_stat to the bug report Omit this message when CONFIG_LOCK_STAT is off, and /proc/lock_stat doesn't exist. Signed-off-by: Andreas Gruenbacher <andreas.gruenbacher@gmail.com> Signed-off-by: Peter Zijlstra <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Link: http://lkml.kernel.org/r/1405451452-3824-1-git-send-email-andreas.gruenbacher@gmail.com Signed-off-by: Ingo Molnar <mingo@kernel.org>
This commit is contained in:
parent
b5e4111f02
commit
acf5937726
|
@ -384,7 +384,9 @@ static void print_lockdep_off(const char *bug_msg)
|
||||||
{
|
{
|
||||||
printk(KERN_DEBUG "%s\n", bug_msg);
|
printk(KERN_DEBUG "%s\n", bug_msg);
|
||||||
printk(KERN_DEBUG "turning off the locking correctness validator.\n");
|
printk(KERN_DEBUG "turning off the locking correctness validator.\n");
|
||||||
|
#ifdef CONFIG_LOCK_STAT
|
||||||
printk(KERN_DEBUG "Please attach the output of /proc/lock_stat to the bug report\n");
|
printk(KERN_DEBUG "Please attach the output of /proc/lock_stat to the bug report\n");
|
||||||
|
#endif
|
||||||
}
|
}
|
||||||
|
|
||||||
static int save_trace(struct stack_trace *trace)
|
static int save_trace(struct stack_trace *trace)
|
||||||
|
|
Loading…
Reference in a new issue