linux-kernel - Re: [PATCH] kexec: Add kexec reboot string

Open Source and information security mailing list archives

Date:   Thu, 11 Mar 2021 12:09:49 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Paul Menzel <pmenzel@...gen.mpg.de>
Cc:     Eric Biederman <ebiederm@...ssion.com>, kexec@...ts.infradead.org,
        linux-kernel@...r.kernel.org, Guohan Lu <lguohan@...il.com>,
        Joe LeVeque <jolevequ@...rosoft.com>, akpm@...ux-foundation.org
Subject: Re: [PATCH] kexec: Add kexec reboot string

On 03/04/21 at 01:46pm, Paul Menzel wrote:
> From: Joe LeVeque <jolevequ@...rosoft.com>
> 
> 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@...hat.com>

> 
> 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@...gen.mpg.de>
> ---
>  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
> 
> 
> _______________________________________________
> kexec mailing list
> kexec@...ts.infradead.org
> http://lists.infradead.org/mailman/listinfo/kexec
> 

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives