Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751992Ab3FNGxV (ORCPT ); Fri, 14 Jun 2013 02:53:21 -0400 Received: from cnbjrel02.sonyericsson.com ([219.141.167.166]:19893 "EHLO cnbjrel02.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751621Ab3FNGxU convert rfc822-to-8bit (ORCPT ); Fri, 14 Jun 2013 02:53:20 -0400 From: "Wang, Yalin" To: "'Will Deacon'" CC: "'richard -rw- weinberger'" , "'linux-arch@vger.kernel.org'" , "'linux-kernel@vger.kernel.org'" , "'linux-arm-kernel@lists.infradead.org'" Date: Fri, 14 Jun 2013 14:53:14 +0800 Subject: RE: A bug about system call on ARM Thread-Topic: A bug about system call on ARM Thread-Index: Ac5gQG0DP9vff+kURemvb02abvnWOAIi0tlw Message-ID: <35FD53F367049845BC99AC72306C23D17B08729316@CNBJMBX05.corpusers.net> References: <35FD53F367049845BC99AC72306C23D1610991B865@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D1610991B866@CNBJMBX05.corpusers.net> <20130530090949.GC7483@mudshark.cambridge.arm.com> <20130530114112.GH7483@mudshark.cambridge.arm.com> <35FD53F367049845BC99AC72306C23D1610991B86D@CNBJMBX05.corpusers.net> <20130531084638.GB4928@mudshark.cambridge.arm.com> <35FD53F367049845BC99AC72306C23D1610991B874@CNBJMBX05.corpusers.net> <20130531111305.GI4928@mudshark.cambridge.arm.com> <35FD53F367049845BC99AC72306C23D1610991B876@CNBJMBX05.corpusers.net> <35FD53F367049845BC99AC72306C23D1610991B87B@CNBJMBX05.corpusers.net> <20130603095425.GA32242@mudshark.cambridge.arm.com> In-Reply-To: <20130603095425.GA32242@mudshark.cambridge.arm.com> 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 Content-Length: 1114 Lines: 40 Hi Will, We have tested the patch, It seems ok in the stability test . We have merged it into our main branch . Thanks for your patch ! -----Original Message----- From: Will Deacon [mailto:will.deacon@arm.com] Sent: Monday, June 03, 2013 5:54 PM To: Wang, Yalin Cc: 'richard -rw- weinberger'; 'linux-arch@vger.kernel.org'; 'linux-kernel@vger.kernel.org'; 'linux-arm-kernel@lists.infradead.org' Subject: Re: A bug about system call on ARM On Mon, Jun 03, 2013 at 06:25:26AM +0100, Wang, Yalin wrote: > Hi Will, > > I have a question about this patch . > > If the user space is thumb mode, > The PC should be rewind by 2 bytes, > So the fix_up code should be > > Sub lr, lr, #2 . > > > Am I right ? No, because we don't have OABI-compat support for Thumb applications and force everything down the EABI path instead. Did you manage to test the patch? Will -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/