Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1755755Ab3EaLap (ORCPT ); Fri, 31 May 2013 07:30:45 -0400 Received: from cnbjrel02.sonyericsson.com ([219.141.167.166]:13759 "EHLO cnbjrel02.sonyericsson.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1755710Ab3EaLam convert rfc822-to-8bit (ORCPT ); Fri, 31 May 2013 07:30:42 -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, 31 May 2013 19:30:38 +0800 Subject: RE: A bug about system call on ARM Thread-Topic: A bug about system call on ARM Thread-Index: Ac5d7+dtduvJQq2bSgyQsgXTePIUogAAk0Lg Message-ID: <35FD53F367049845BC99AC72306C23D1610991B876@CNBJMBX05.corpusers.net> References: <35FD53F367049845BC99AC72306C23D1610991B85E@CNBJMBX05.corpusers.net> <20130529094826.GD13095@mudshark.cambridge.arm.com> <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> In-Reply-To: <20130531111305.GI4928@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: 1257 Lines: 44 Hi Will, I see, I will make one more test . Thanks for your clarification . -----Original Message----- From: Will Deacon [mailto:will.deacon@arm.com] Sent: Friday, May 31, 2013 7:13 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 Fri, May 31, 2013 at 12:02:49PM +0100, Wang, Yalin wrote: > Hi Will, > > I have merge your code , > But there is a different , > > + > + ct_user_exit I thought you didn't have ct_user_exit? In which case, just delete this line. > +#ifdef CONFIG_ALIGNMENT_TRAP > + ldr ip, __cr_alignment > + ldr ip, [ip] > + mcr p15, 0, ip, c1, c0 @ update control register > +#endif > > + enable_irq > + get_thread_info tsk Hard to tell without context. You can take a look at my git tree if you like (I fixed it up based on Nico's comment): https://git.kernel.org/cgit/linux/kernel/git/will/linux.git/commit/?h=misc-patches 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/