From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from out02.mta.xmission.com ([166.70.13.232]) by bombadil.infradead.org with esmtp (Exim 4.72 #1 (Red Hat Linux)) id 1OesU1-0003Bp-QN for kexec@lists.infradead.org; Fri, 30 Jul 2010 16:30:56 +0000 Subject: Re: In place kexec 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> <4C525D6A.4000007@zytor.com> From: ebiederm@xmission.com (Eric W. Biederman) Date: Fri, 30 Jul 2010 09:30:43 -0700 In-Reply-To: <4C525D6A.4000007@zytor.com> (H. Peter Anvin's message of "Thu\, 29 Jul 2010 22\:04\:42 -0700") Message-ID: 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 , Andrew Vasquez , linux-driver@qlogic.com, Vivek Goyal "H. Peter Anvin" writes: > On 07/29/2010 09:41 PM, Eric W. Biederman wrote: >> >> There isn't a bus master shut off at the core level. When we did >> the original analysis it turned out that the bus mastering bit >> was implemented on a lot of devices in advisory way, so it didn't >> make sense to count on it. >> > > But does it make sense to not flip the bit for the cases where it is > implemented properly? It is probably worth looking into again. I think it was 5+ years ago when that determination was made. >> That said it looks like the code to do the shutdown is in >> qla2x00_remove_one so it should be too hard if someone cared to >> extract just the hardware bits. > > Charming. Code is there, just not hooked up. Using the .remove method in reboot is a fight a lost long ago. Eric _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec