Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932514Ab3JPCJy (ORCPT ); Tue, 15 Oct 2013 22:09:54 -0400 Received: from mga02.intel.com ([134.134.136.20]:47006 "EHLO mga02.intel.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1760075Ab3JPCJv convert rfc822-to-8bit (ORCPT ); Tue, 15 Oct 2013 22:09:51 -0400 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="4.93,504,1378882800"; d="scan'208";a="419748868" From: "Liu, Chuansheng" To: Steven Rostedt CC: "Ingo Molnar (mingo@kernel.org)" , "hpa@zytor.com" , "fweisbec@gmail.com" , "akpm@linux-foundation.org" , "paulmck@linux.vnet.ibm.com" , "Peter Zijlstra (peterz@infradead.org)" , "x86@kernel.org" , "'linux-kernel@vger.kernel.org' (linux-kernel@vger.kernel.org)" , "Wang, Xiaoming" , "Li, Zhuangzhi" Subject: RE: Panic and page fault in loop during handling NMI backtrace handler Thread-Topic: Panic and page fault in loop during handling NMI backtrace handler Thread-Index: AQHOyhSKvzDzl3mukEuq8VRwxg0wupn2lUBQ Date: Wed, 16 Oct 2013 02:09:47 +0000 Message-ID: <27240C0AC20F114CBF8149A2696CBE4A01B63136@SHSMSX101.ccr.corp.intel.com> References: <27240C0AC20F114CBF8149A2696CBE4A01B60835@SHSMSX101.ccr.corp.intel.com> <20131015124028.2221e85d@gandalf.local.home> <27240C0AC20F114CBF8149A2696CBE4A01B630C1@SHSMSX101.ccr.corp.intel.com> <20131015220755.5ee861d5@gandalf.local.home> In-Reply-To: <20131015220755.5ee861d5@gandalf.local.home> Accept-Language: zh-CN, en-US Content-Language: en-US X-MS-Has-Attach: X-MS-TNEF-Correlator: x-originating-ip: [10.239.127.40] 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: 1508 Lines: 42 Hello Steven, > -----Original Message----- > From: Steven Rostedt [mailto:rostedt@goodmis.org] > Sent: Wednesday, October 16, 2013 10:08 AM > To: Liu, Chuansheng > Cc: Ingo Molnar (mingo@kernel.org); hpa@zytor.com; fweisbec@gmail.com; > akpm@linux-foundation.org; paulmck@linux.vnet.ibm.com; Peter Zijlstra > (peterz@infradead.org); x86@kernel.org; 'linux-kernel@vger.kernel.org' > (linux-kernel@vger.kernel.org); Wang, Xiaoming; Li, Zhuangzhi > Subject: Re: Panic and page fault in loop during handling NMI backtrace handler > > On Wed, 16 Oct 2013 01:54:51 +0000 > "Liu, Chuansheng" wrote: > > > > > Since the NMI iretq nesting has been fixed, there's no reason that > > I think you patch fix the infinite loop, we will have a test soon. > > BTW, we are using 3.10, could you help to point out which NMI iretq nesting > patch? > > There were many. You can read about what was done here: > > https://lwn.net/Articles/484932/ > > The original is here: > > http://git.kernel.org/cgit/linux/kernel/git/torvalds/linux.git/commit/?id=ccd49c > 2391773ffbf52bb80d75c4a92b16972517 > > But more were added. > > But that is back in 3.3, so 3.10 has all the required updates. Thanks your info, is trying your patch now. > > -- Steve -- 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/