Gitweb: http://git.kernel.org/git/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=5f9fa8...
Commit: 5f9fa8a62d6a98f5cb2ee2e00b85bfe95e45888d
Parent: f194d132e4971111f85c18c96067acffb13cee6d
Author: Ingo Molnar <mingo@elte.hu>
AuthorDate: Fri Dec 7 19:02:47 2007 +0100
Committer: Ingo Molnar <mingo@elte.hu>
CommitDate: Fri Dec 7 19:02:47 2007 +0100
lockdep: make cli/sti annotation warnings clearer
make cli/sti annotation warnings easier to interpret.
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
---
kernel/lockdep.c | 13 +++++++++----
1 files changed, 9 insertions(+), 4 deletions(-)
diff --git a/kernel/lockdep.c b/kernel/lockdep.c
index 0f38962..723bd9f 100644
--- a/kernel/lockdep.c
+++ b/kernel/lockdep.c
@@ -2654,10 +2654,15 @@ static void check_flags(unsigned long flags)
if (!debug_locks)
return;
- if (irqs_disabled_flags(flags))
- DEBUG_LOCKS_WARN_ON(current->hardirqs_enabled);
- else
- DEBUG_LOCKS_WARN_ON(!current->hardirqs_enabled);
+ if (irqs_disabled_flags(flags)) {
+ if (DEBUG_LOCKS_WARN_ON(current->hardirqs_enabled)) {
+ printk("possible reason: unannotated irqs-off.\n");
+ }
+ } else {
+ if (DEBUG_LOCKS_WARN_ON(!current->hardirqs_enabled)) {
+ printk("possible reason: unannotated irqs-on.\n");
+ }
+ }
/*
* We dont accurately track softirq state in e.g.
-
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