From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751588AbaJaHkv (ORCPT ); Fri, 31 Oct 2014 03:40:51 -0400 Received: from cnbjrel02.sonyericsson.com ([219.141.167.166]:9758 "EHLO cnbjrel02.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1750710AbaJaHkt convert rfc822-to-8bit (ORCPT ); Fri, 31 Oct 2014 03:40:49 -0400 From: "Wang, Yalin" To: "'Will Deacon'" , "'Ard Biesheuvel'" , "'Russell King - ARM Linux'" , "'linux-kernel@vger.kernel.org'" , "'akinobu.mita@gmail.com'" , "'linux-mm@kvack.org'" , "'Joe Perches'" , "'linux-arm-kernel@lists.infradead.org'" Date: Fri, 31 Oct 2014 15:40:46 +0800 Subject: [RFC] arm:remove clear_thread_flag(TIF_UPROBE) Thread-Topic: [RFC] arm:remove clear_thread_flag(TIF_UPROBE) Thread-Index: Ac/0SYsLYyTdMNPAS1SmHcF7f8oZ+gAcg3/QAARlW3AAAA1OUAAEHhFg Message-ID: <35FD53F367049845BC99AC72306C23D103E010D1827B@CNBJMBX05.corpusers.net> References: <1414392371.8884.2.camel@perches.com> <35FD53F367049845BC99AC72306C23D103E010D1825F@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18260@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18261@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18264@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18265@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18266@CNBJMBX05.corpusers.net> <20141030120127.GC32589@arm.com> <20141030135749.GE32589@arm.com> <35FD53F367049845BC99AC72306C23D103E010D18272@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18273@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D103E010D18275@CNBJMBX05.corpusers.net> In-Reply-To: <35FD53F367049845BC99AC72306C23D103E010D18275@CNBJMBX05.corpusers.net> Accept-Language: en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 8BIT MIME-Version: 1.0 Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org This patch remove clear_thread_flag(TIF_UPROBE) in do_work_pending(), because uprobe_notify_resume() have do this. Signed-off-by: Yalin Wang --- arch/arm/kernel/signal.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/arch/arm/kernel/signal.c b/arch/arm/kernel/signal.c index bd19834..ff598f0 100644 --- a/arch/arm/kernel/signal.c +++ b/arch/arm/kernel/signal.c @@ -591,10 +591,9 @@ do_work_pending(struct pt_regs *regs, unsigned int thread_flags, int syscall) return restart; } syscall = 0; - } else if (thread_flags & _TIF_UPROBE) { - clear_thread_flag(TIF_UPROBE); + } else if (thread_flags & _TIF_UPROBE) uprobe_notify_resume(regs); - } else { + else { clear_thread_flag(TIF_NOTIFY_RESUME); tracehook_notify_resume(regs); } -- 2.1.1