Re: [PATCH] kexec/kdump: Minor Documentation updates for arm64 and Image

[Pratyush Anand]

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 <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"?

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=<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