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authorLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 07:53:52 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2012-01-06 07:53:52 -0800
commit15f043a65f655eb8a3aeb831a85da66de520c80f (patch)
tree00f5dbc80796a41ef60320a52faeb68aa5755830 /kernel/panic.c
parent8c717b72dec32a50666175b62b41de24e4b39be7 (diff)
parentf07fdec50a13f134ea9608c8fb3f6408c58ef55e (diff)
Merge branch 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip
* 'core-locking-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip: lockdep/waitqueues: Add better annotation lockdep, bug: Exclude TAINT_OOT_MODULE from disabling lock debugging lockdep: Print lock name in lockdep_init_error() init/main.c: Execute lockdep_init() as early as possible lockdep, kmemcheck: Annotate ->lock in lockdep_init_map() lockdep, rtmutex, bug: Show taint flags on error lockdep, bug: Exclude TAINT_FIRMWARE_WORKAROUND from disabling lockdep lockdep: Always try to set ->class_cache in register_lock_class() lockdep_init_map()
Diffstat (limited to 'kernel/panic.c')
-rw-r--r--kernel/panic.c17
1 files changed, 13 insertions, 4 deletions
diff --git a/kernel/panic.c b/kernel/panic.c
index b26593604214..3458469eb7c3 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -237,11 +237,20 @@ void add_taint(unsigned flag)
* Can't trust the integrity of the kernel anymore.
* We don't call directly debug_locks_off() because the issue
* is not necessarily serious enough to set oops_in_progress to 1
- * Also we want to keep up lockdep for staging development and
- * post-warning case.
+ * Also we want to keep up lockdep for staging/out-of-tree
+ * development and post-warning case.
*/
- if (flag != TAINT_CRAP && flag != TAINT_WARN && __debug_locks_off())
- printk(KERN_WARNING "Disabling lock debugging due to kernel taint\n");
+ switch (flag) {
+ case TAINT_CRAP:
+ case TAINT_OOT_MODULE:
+ case TAINT_WARN:
+ case TAINT_FIRMWARE_WORKAROUND:
+ break;
+
+ default:
+ if (__debug_locks_off())
+ printk(KERN_WARNING "Disabling lock debugging due to kernel taint\n");
+ }
set_bit(flag, &tainted_mask);
}