From mboxrd@z Thu Jan 1 00:00:00 1970 Return-path: Received: from mail-pf0-f181.google.com ([209.85.192.181]) by bombadil.infradead.org with esmtps (Exim 4.87 #1 (Red Hat Linux)) id 1dChPG-0000X1-7F for kexec@lists.infradead.org; Mon, 22 May 2017 07:05:31 +0000 Received: by mail-pf0-f181.google.com with SMTP id n23so73224969pfb.2 for ; Mon, 22 May 2017 00:05:10 -0700 (PDT) Subject: Re: [PATCH] kexec/kdump: Minor Documentation updates for arm64 and Image References: <1495085600-2645-1-git-send-email-Bharat.Bhushan@nxp.com> <20170518055914.GC4059@dhcp-128-65.nay.redhat.com> <20170519034514.GA4283@fireball> <2ed84f9f-76c8-62eb-36b5-e97568ba3a2e@redhat.com> From: Pratyush Anand Message-ID: <3b29d230-7295-4e04-5d07-b14817ccb954@redhat.com> Date: Mon, 22 May 2017 12:35:04 +0530 MIME-Version: 1.0 In-Reply-To: List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Transfer-Encoding: 7bit Content-Type: text/plain; charset="us-ascii"; Format="flowed" Sender: "kexec" Errors-To: kexec-bounces+dwmw2=infradead.org@lists.infradead.org To: Bharat Bhushan , AKASHI Takahiro , Dave Young , "bhe@redhat.com" , "vgoyal@redhat.com" , "corbet@lwn.net" , "kexec@lists.infradead.org" , "linux-doc@vger.kernel.org" , "linux-kernel@vger.kernel.org" On Monday 22 May 2017 12:19 PM, Bharat Bhushan wrote: >> On Friday 19 May 2017 09:15 AM, AKASHI Takahiro wrote: >>>>> +to load dump-capture kernel. >>>>> + >>>>> + kexec -p \ >>>>> + --initrd= \ >>>>> + --append="root= " >>>> For uncompressed Image, dtb is not necessary? >>> Just for clarification, dtb is optional for both vmlinux and Image on >>> arm64. (This means you can specify it if you want.) But this is also >>> true for initrd and append(command line) to some extent. >> >> Yes, I agree. > > Should I mention "-dtb" also for "Image"? No,I think it is fine. This documentation is representing a typical use case and so above changes is OK for me. I think,your v2 is fine. ~Pratyush > > Also do we need to mention that it is optional somewhere in this document? I do not see "optional" is mentioned for other parameters and architecture. > > Does this looks ok: > > " -dtb= \" > > Thanks > -Bharat > >>> >>> More precisely, whether these parameters are optional or not will >>> depend on architectures, not formats, I believe. >> >> May be not architecture, rather a distro environment. >> >> For example, we should be able to work without --initrd for any arch if kernel >> has been compiled by configuring CONFG_INITRAMFS_SOURCE. >> >> ~Pratyush > _______________________________________________ kexec mailing list kexec@lists.infradead.org http://lists.infradead.org/mailman/listinfo/kexec