Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1754174Ab1CUSZU (ORCPT ); Mon, 21 Mar 2011 14:25:20 -0400 Received: from relay2.sgi.com ([192.48.179.30]:36394 "HELO relay.sgi.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with SMTP id S1751161Ab1CUSZR (ORCPT ); Mon, 21 Mar 2011 14:25:17 -0400 Date: Mon, 21 Mar 2011 13:24:21 -0500 From: Jack Steiner To: Cyrill Gorcunov Cc: Ingo Molnar , Don Zickus , tglx@linutronix.de, hpa@zytor.com, x86@kernel.org, linux-kernel@vger.kernel.org, Peter Zijlstra Subject: Re: [PATCH] x86, UV: Fix NMI handler for UV platforms Message-ID: <20110321182421.GB14562@sgi.com> References: <20110321160135.GA31562@sgi.com> <20110321161425.GC23614@elte.hu> <4D877C4B.9090602@gmail.com> <4D878042.9080708@gmail.com> <4D878445.6090709@gmail.com> <20110321170832.GC12718@sgi.com> <4D8795A8.4060909@gmail.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <4D8795A8.4060909@gmail.com> User-Agent: Mutt/1.5.17 (2007-11-01) Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Length: 971 Lines: 25 On Mon, Mar 21, 2011 at 09:15:04PM +0300, Cyrill Gorcunov wrote: > On 03/21/2011 08:08 PM, Jack Steiner wrote: > ... > > > > We use KDB internally, and yes, it has the same issue. The version of the > > patch that uses KDB OR's the "handled" status for both KDB & the UV NMI handler. > > If either KDB or the UV NMI handler returns "handled", the code in traps.c exits > > after the call to the first die notifier. > > > > Not particularily pretty but I could not find a better way to do it. > > > > --- jack > > Btw Jack, I somehow missed (sorry) this patch only handles UV NMI handler so > for KGDB case you need some other patch on top? Yes. Internally we usually apply the older KDB patches to our tree. --- jack -- 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/