From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751069AbdCNI0X (ORCPT ); Tue, 14 Mar 2017 04:26:23 -0400 Received: from LGEAMRELO11.lge.com ([156.147.23.51]:60103 "EHLO lgeamrelo11.lge.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751163AbdCNI0U (ORCPT ); Tue, 14 Mar 2017 04:26:20 -0400 X-Original-SENDERIP: 156.147.1.127 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 165.244.249.25 X-Original-MAILFROM: byungchul.park@lge.com X-Original-SENDERIP: 10.177.222.33 X-Original-MAILFROM: byungchul.park@lge.com From: Byungchul Park To: , CC: , , , , , , , , , , Subject: [PATCH v6 08/15] lockdep: Fix incorrect condition to print bug msgs for MAX_LOCKDEP_CHAIN_HLOCKS Date: Tue, 14 Mar 2017 17:18:55 +0900 Message-ID: <1489479542-27030-9-git-send-email-byungchul.park@lge.com> X-Mailer: git-send-email 1.9.1 In-Reply-To: <1489479542-27030-1-git-send-email-byungchul.park@lge.com> References: <1489479542-27030-1-git-send-email-byungchul.park@lge.com> X-MIMETrack: Itemize by SMTP Server on LGEKRMHUB02/LGE/LG Group(Release 8.5.3FP6|November 21, 2013) at 2017/03/14 17:19:45, Serialize by Router on LGEKRMHUB02/LGE/LG Group(Release 8.5.3FP6|November 21, 2013) at 2017/03/14 17:19:45, Serialize complete at 2017/03/14 17:19:45 MIME-Version: 1.0 Content-Type: text/plain Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Bug messages and stack dump for MAX_LOCKDEP_CHAIN_HLOCKS should be printed only once. Signed-off-by: Byungchul Park --- 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 c78dd9d..ef26725 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