From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 0E8F1C10F11 for ; Wed, 10 Apr 2019 18:42:59 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id CD189217D7 for ; Wed, 10 Apr 2019 18:42:58 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1731691AbfDJSm5 (ORCPT ); Wed, 10 Apr 2019 14:42:57 -0400 Received: from mx1.redhat.com ([209.132.183.28]:58428 "EHLO mx1.redhat.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728762AbfDJSmy (ORCPT ); Wed, 10 Apr 2019 14:42:54 -0400 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id D086B3001A84; Wed, 10 Apr 2019 18:42:54 +0000 (UTC) Received: from llong.com (ovpn-120-189.rdu2.redhat.com [10.10.120.189]) by smtp.corp.redhat.com (Postfix) with ESMTP id E30FA1001E89; Wed, 10 Apr 2019 18:42:51 +0000 (UTC) From: Waiman Long To: Peter Zijlstra , Ingo Molnar , Will Deacon , Thomas Gleixner Cc: linux-kernel@vger.kernel.org, x86@kernel.org, Davidlohr Bueso , Linus Torvalds , Tim Chen , huang ying , Waiman Long Subject: [PATCH-tip v3 01/14] locking/rwsem: Prevent unneeded warning during locking selftest Date: Wed, 10 Apr 2019 14:42:18 -0400 Message-Id: <20190410184231.6748-2-longman@redhat.com> In-Reply-To: <20190410184231.6748-1-longman@redhat.com> References: <20190410184231.6748-1-longman@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.45]); Wed, 10 Apr 2019 18:42:54 +0000 (UTC) Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Disable the DEBUG_RWSEMS check when locking selftest is running with debug_locks_silent flag set. Signed-off-by: Waiman Long --- kernel/locking/rwsem.h | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/kernel/locking/rwsem.h b/kernel/locking/rwsem.h index 37db17890e36..64877f5294e3 100644 --- a/kernel/locking/rwsem.h +++ b/kernel/locking/rwsem.h @@ -30,7 +30,8 @@ #ifdef CONFIG_DEBUG_RWSEMS # define DEBUG_RWSEMS_WARN_ON(c, sem) do { \ - if (WARN_ONCE(c, "DEBUG_RWSEMS_WARN_ON(%s): count = 0x%lx, owner = 0x%lx, curr 0x%lx, list %sempty\n",\ + if (!debug_locks_silent && \ + WARN_ONCE(c, "DEBUG_RWSEMS_WARN_ON(%s): count = 0x%lx, owner = 0x%lx, curr 0x%lx, list %sempty\n",\ #c, atomic_long_read(&(sem)->count), \ (long)((sem)->owner), (long)current, \ list_empty(&(sem)->wait_list) ? "" : "not ")) \ -- 2.18.1