From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mx1.redhat.com ([209.132.183.28]) by bombadil.infradead.org with esmtp (Exim 4.80.1 #2 (Red Hat Linux)) id 1Wcnum-0006vy-Qu for kexec@lists.infradead.org; Wed, 23 Apr 2014 03:32:05 +0000 Date: Wed, 23 Apr 2014 11:31:37 +0800 From: WANG Chao Subject: Re: [PATCH v7 0/9] kexec-tools, x86: E820 memmap pass for kdump Message-ID: <20140423033137.GF4564@dhcp-17-89.nay.redhat.com> References: <1398135407-30142-1-git-send-email-chaowang@redhat.com> <20140422043751.GD4564@dhcp-17-89.nay.redhat.com> <20140423001433.GA5738@verge.net.au> MIME-Version: 1.0 Content-Disposition: inline In-Reply-To: <20140423001433.GA5738@verge.net.au> 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=infradead.org@lists.infradead.org To: Simon Horman Cc: kexec@lists.infradead.org, linn@hp.com, hpa@zytor.com, dyoung@redhat.com, trenn@suse.de, vgoyal@redhat.com On 04/23/14 at 09:14am, Simon Horman wrote: > On Tue, Apr 22, 2014 at 12:37:51PM +0800, WANG Chao wrote: > > On 04/22/14 at 10:56am, WANG Chao wrote: > > > Hi, All > > > > > > This patchset enables passing memory map via E820 map on x86 platform instead > > > of memmap=exactmap. It's a better design and will solve the following problem > > > so far: > > > > > > - kernel cmdline is limited resource and large machines tend to have many > > > memory ranges that may excceed kernel cmdline limit size. > > > - kASLR doesn't work with memmap=exactmap, because kASLR happens early than > > > user defined memmap=exactmap takes effect. > > > > > > Unfortunately, saved_max_pfn still got its user out there (calgry pci, it looks > > > like the only one). So for backward compatibility, I'm introducing a new option > > > --pass-memmap-cmdline to force kexec-tools to pass memmap=exactmap, the old way. > > > > > > This patchset contains massive updates from the previous one. I take some > > > suggestions from reviewers. I try to split the changes into smaller pieces and > > > keep the whole change as minimal as I can so it wouldn't be too harsh to review > > > the patch. > > > > > > Any comment is appreciate! > > > > > > v7->v6: > > > dyoung/Simon: > > > - more description for CRASH_MAX_MEMMAP_NR to be 1024 > > > > Hi, Simon > > > > I've changed 5/9 regarding Dave's comment and yours. Could you please > > pick up this patchset if there's no more problem? > > Thanks for all the hard work. I have applied the entire series. Thanks! _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec