Messages in this thread | | | From | Bharat Bhushan <> | Subject | RE: [PATCH] kexec/kdump: Minor Documentation updates for arm64 and Image | Date | Mon, 22 May 2017 06:49:13 +0000 |
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> -----Original Message----- > From: Pratyush Anand [mailto:panand@redhat.com] > Sent: Monday, May 22, 2017 12:09 PM > To: AKASHI Takahiro <takahiro.akashi@linaro.org>; Dave Young > <dyoung@redhat.com>; Bharat Bhushan <bharat.bhushan@nxp.com>; > bhe@redhat.com; vgoyal@redhat.com; corbet@lwn.net; > kexec@lists.infradead.org; linux-doc@vger.kernel.org; linux- > kernel@vger.kernel.org > Subject: Re: [PATCH] kexec/kdump: Minor Documentation updates for > arm64 and Image > > > > On Friday 19 May 2017 09:15 AM, AKASHI Takahiro wrote: > >>> +to load dump-capture kernel. > >>> + > >>> + kexec -p <dump-capture-kernel-Image> \ > >>> + --initrd=<initrd-for-dump-capture-kernel> \ > >>> + --append="root=<root-dev> <arch-specific-options>" > >> 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"?
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=<optional-dtb-for-dump-capture-kernel> \"
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
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