Re: [PATCH] kexec: Add kexec reboot string

From: Baoquan He
Date: Wed Mar 10 2021 - 23:10:42 EST


On 03/04/21 at 01:46pm, Paul Menzel wrote:
> From: Joe LeVeque <jolevequ@xxxxxxxxxxxxx>
>
> The purpose is to notify the kernel module for fast reboot.

Checked several modules which registered with reboot_notifier_list, the
passed string is not cared. Just curious, could you tell how you have
used or plan to use this string in your code?

No objection to this even though it's trivial if no real use case.

Acked-by: Baoquan He <bhe@xxxxxxxxxx>

>
> Upstream a patch from the SONiC network operating system [1].
>
> [1]: https://github.com/Azure/sonic-linux-kernel/pull/46
>
> Signed-off-by: Paul Menzel <pmenzel@xxxxxxxxxxxxx>
> ---
> kernel/kexec_core.c | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
> diff --git a/kernel/kexec_core.c b/kernel/kexec_core.c
> index a0b6780740c8..f04d04d1b855 100644
> --- a/kernel/kexec_core.c
> +++ b/kernel/kexec_core.c
> @@ -1165,7 +1165,7 @@ int kernel_kexec(void)
> #endif
> {
> kexec_in_progress = true;
> - kernel_restart_prepare(NULL);
> + kernel_restart_prepare("kexec reboot");
> migrate_to_reboot_cpu();
>
> /*
> --
> 2.30.1
>
>
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