Re: [PATCH v4 09/12] x86: add xloadflags bit for efi runtime support on kexec

Borislav Petkov
2013-11-27T14:27:32Z

On Tue, Nov 26, 2013 at 01:57:54PM +0800, Dave Young wrote:
> Old kexec-tools can not load new kernel. The reason is previously kexec-tools

The reason is, kexec-tools ... previously, thus efi failed to initialize ...

> do not fill efi_info in x86 setup header thus efi init fail and switch
> to noefi boot. In new kexec-tools it will by default fill efi_info and
> pass other efi required infomation to 2nd kernel so kexec kernel efi
> initialization will success finally.

succeed

>
> To prevent from breaking userspace, add a new xloadflags bit so kexec-tools
> will check the flag and switch to old logic.
>
> changelog:
> Matt: +&& defined(CONFIG_KEXEC)
> HPA: document the flag.
>
> Signed-off-by: Dave Young <dyoung-H+wXaHxf7aLQT0dZR+AlfA@public.gmane.org>

Other than that:

Acked-by: Borislav Petkov <bp-l3A5Bk7waGM@public.gmane.org>

--
Regards/Gruss,
Boris.

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