Messages in this thread Patch in this message | | | Date | Fri, 10 Feb 2017 00:34:58 -0800 | From | tip-bot for Byungchul Park <> | Subject | [tip:locking/core] lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS |
| |
Commit-ID: f9af456a61ecfbef8233c5046a9e347c9b98ba05 Gitweb: http://git.kernel.org/tip/f9af456a61ecfbef8233c5046a9e347c9b98ba05 Author: Byungchul Park <byungchul.park@lge.com> AuthorDate: Fri, 13 Jan 2017 11:42:04 +0900 Committer: Ingo Molnar <mingo@kernel.org> CommitDate: Fri, 10 Feb 2017 09:09:48 +0100
lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS
Bug messages and stack dump for MAX_LOCKDEP_CHAIN_HLOCKS should only be printed once.
Signed-off-by: Byungchul Park <byungchul.park@lge.com> Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org> Cc: Linus Torvalds <torvalds@linux-foundation.org> Cc: Peter Zijlstra <peterz@infradead.org> Cc: Sasha Levin <sasha.levin@oracle.com> Cc: Thomas Gleixner <tglx@linutronix.de> Link: http://lkml.kernel.org/r/1484275324-28192-1-git-send-email-byungchul.park@lge.com Signed-off-by: Ingo Molnar <mingo@kernel.org> --- 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 7c38f8f..bf60725 100644 --- a/kernel/locking/lockdep.c +++ b/kernel/locking/lockdep.c @@ -2203,7 +2203,7 @@ cache_hit: * 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!");
| |