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| Started by | Byungchul Park <byungchul.park@lge.com> |
|---|---|
| First post | 2017-05-24 11:10 +0200 |
| Last post | 2017-05-24 11:10 +0200 |
| Articles | 1 — 1 participant |
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[PATCH v7 09/16] lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS Byungchul Park <byungchul.park@lge.com> - 2017-05-24 11:10 +0200
| From | Byungchul Park <byungchul.park@lge.com> |
|---|---|
| Date | 2017-05-24 11:10 +0200 |
| Subject | [PATCH v7 09/16] lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS |
| Message-ID | <tKAsP-ma-37@gated-at.bofh.it> |
Bug messages and stack dump for MAX_LOCKDEP_CHAIN_HLOCKS should be
printed only once.
Signed-off-by: Byungchul Park <byungchul.park@lge.com>
---
kernel/locking/lockdep.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/kernel/locking/lockdep.c b/kernel/locking/lockdep.c
index a14d2ca..8173c81 100644
--- a/kernel/locking/lockdep.c
+++ b/kernel/locking/lockdep.c
@@ -2267,7 +2267,7 @@ static inline int add_chain_cache(struct task_struct *curr,
* Important for check_no_collision().
*/
if (unlikely(nr_chain_hlocks > MAX_LOCKDEP_CHAIN_HLOCKS)) {
- if (debug_locks_off_graph_unlock())
+ if (!debug_locks_off_graph_unlock())
return 0;
print_lockdep_off("BUG: MAX_LOCKDEP_CHAIN_HLOCKS too low!");
--
1.9.1
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