From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by merlin.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1VUcCq-000867-53 for kexec@lists.infradead.org; Fri, 11 Oct 2013 12:52:37 +0000 Date: Fri, 11 Oct 2013 08:52:06 -0400 From: Vivek Goyal Subject: Re: kexec: Clearing registers just before jumping into purgatory Message-ID: <20131011125206.GA2772@redhat.com> References: <20131011092837.GZ3626@debian70-amd64.local.net-space.pl> <877gdkce6s.fsf@tw-ebiederman.twitter.com> <20131011110455.GA3626@debian70-amd64.local.net-space.pl> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20131011110455.GA3626@debian70-amd64.local.net-space.pl> 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" Errors-To: kexec-bounces+dwmw2=twosheds.infradead.org@lists.infradead.org To: Daniel Kiper Cc: keir@xen.org, keescook@chromium.org, kexec@lists.infradead.org, linux-kernel@vger.kernel.org, xen-devel@lists.xen.org, hbabu@us.ibm.com, ebiederm@xmission.com, jbeulich@suse.com, hpa@linux.intel.com, david.vrabel@citrix.com On Fri, Oct 11, 2013 at 01:04:55PM +0200, Daniel Kiper wrote: [..] > > In theory you can swap between to kernels with the preserve_context > > case. Technically I like the ability but I don't know that it has ever > > achieved much uptake. > > I think that this is nice idea too. However, I have not seen its usage in real. > Even once there was an idea to remove that stuff from Linux Kernel. I have not seen anybody using it. I don't even know if it works or not. If nobody is using it, I will advocate removing it. It introduces extra complexity and makes new code changes more difficult. Thanks Vivek _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec