Re: [PATCH] kexec/kdump: Minor Documentation updates for arm64 and Image
From: Dave Young
Date: Thu May 18 2017 - 01:59:41 EST
Add Takahiro and Pratyush, they should be able to review the arm64 part.
On 05/18/17 at 11:03am, Bharat Bhushan wrote:
> This patch have minor updates in Documentation for arm64i as
> relocatable kernel.
> Also this patch updates documentation for using uncompressed
> image "Image" which is used for ARM64.
> Signed-off-by: Bharat Bhushan <Bharat.Bhushan@xxxxxxx>
> Documentation/kdump/kdump.txt | 10 ++++++++--
> 1 file changed, 8 insertions(+), 2 deletions(-)
> diff --git a/Documentation/kdump/kdump.txt b/Documentation/kdump/kdump.txt
> index 615434d..522ce13 100644
> --- a/Documentation/kdump/kdump.txt
> +++ b/Documentation/kdump/kdump.txt
> @@ -112,8 +112,8 @@ There are two possible methods of using Kdump.
> 2) Or use the system kernel binary itself as dump-capture kernel and there is
> no need to build a separate dump-capture kernel. This is possible
> only with the architectures which support a relocatable kernel. As
> - of today, i386, x86_64, ppc64, ia64 and arm architectures support relocatable
> - kernel.
> + of today, i386, x86_64, ppc64, ia64, arm and arm64 architectures support
> + relocatable kernel.
> Building a relocatable kernel is advantageous from the point of view that
> one does not have to build a second kernel for capturing the dump. But
> @@ -361,6 +361,12 @@ to load dump-capture kernel.
> --dtb=<dtb-for-dump-capture-kernel> \
> --append="root=<root-dev> <arch-specific-options>"
> +If you are using a uncompressed Image, then use following command
> +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?
> Please note, that --args-linux does not need to be specified for ia64.
> It is planned to make this a no-op on that architecture, but for now