From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from g6t0186.atlanta.hp.com ([15.193.32.63]) by bombadil.infradead.org with esmtps (Exim 4.72 #1 (Red Hat Linux)) id 1OexO9-0005IE-K8 for kexec@lists.infradead.org; Fri, 30 Jul 2010 21:45:13 +0000 Subject: Re: In place kexec From: Khalid Aziz In-Reply-To: <1280524696.30160.34.camel@localhost> References: <4C50A7AD.8040902@zytor.com> <20100729134343.GA31490@shamino.rdu.redhat.com> <4C519853.2040206@zytor.com> <20100729150640.GF31490@shamino.rdu.redhat.com> <4C51BFA5.60507@zytor.com> <4C51C878.2090102@zytor.com> <20100729191654.GB28704@redhat.com> <20100729125535.85dfd7da.randy.dunlap@oracle.com> <4C524934.5070806@zytor.com> <1280508817.28006.0.camel@macbook.infradead.org> <4C533922.10901@zytor.com> <1280524696.30160.34.camel@localhost> Date: Fri, 30 Jul 2010 15:44:58 -0600 Message-Id: <1280526298.30160.39.camel@localhost> Mime-Version: 1.0 List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Sender: kexec-bounces@lists.infradead.org Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: "H. Peter Anvin" Cc: Randy Dunlap , Neil Horman , "kexec@lists.infradead.org" , Simon Horman , "Eric W. Biederman" , "linux-driver@qlogic.com" , David Woodhouse , Vivek Goyal , Andrew Vasquez On Fri, 2010-07-30 at 21:18 +0000, Aziz, Khalid wrote: > There were some discussions regarding this and this code was removed by > the time it was merged into mainline kernel. I can't remember the > details of why. I remember one report of kernel hang on kexec that > seemed to happen in device_shootdown(). I will look for any discussion > threads I can find. > These are the messages I could find discussing the code that disables PCI Master bit, before the code doing that was removed from ia64 tree: May be it is time to revisit this, for more than just ia64. -- Khalid ==================================================================== Khalid Aziz Telco Platform Software, ISB (970)898-9214 Hewlett-Packard khalid.aziz@hp.com Fort Collins, CO "The Linux kernel is subject to relentless development" - Alessandro Rubini _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec