[PATCH] kexec/kdump: Minor Documentation updates for arm64 and Image
bharat.bhushan at nxp.com
Sun May 21 23:49:13 PDT 2017
> -----Original Message-----
> From: Pratyush Anand [mailto:panand at redhat.com]
> Sent: Monday, May 22, 2017 12:09 PM
> To: AKASHI Takahiro <takahiro.akashi at linaro.org>; Dave Young
> <dyoung at redhat.com>; Bharat Bhushan <bharat.bhushan at nxp.com>;
> bhe at redhat.com; vgoyal at redhat.com; corbet at lwn.net;
> kexec at lists.infradead.org; linux-doc at vger.kernel.org; linux-
> kernel at 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> \"
> > 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.
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