linux-kernel - Re: [PATCH v1 1/2] Documentation: sysctl: Correct kexec_load

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Date:   Wed, 23 Nov 2022 17:47:20 +0800
From:   Baoquan He <bhe@...hat.com>
To:     Ricardo Ribalda <ribalda@...omium.org>
Cc:     Eric Biederman <ebiederm@...ssion.com>,
        Jonathan Corbet <corbet@....net>,
        Sergey Senozhatsky <senozhatsky@...omium.org>,
        linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
        Ross Zwisler <zwisler@...nel.org>, linux-doc@...r.kernel.org,
        "Joel Fernandes (Google)" <joel@...lfernandes.org>,
        Steven Rostedt <rostedt@...dmis.org>
Subject: Re: [PATCH v1 1/2] Documentation: sysctl: Correct kexec_load_disabled

On 11/14/22 at 02:18pm, Ricardo Ribalda wrote:
> kexec_load_disabled affects both ``kexec_load`` and ``kexec_file_load``
> syscalls. Make it explicit.
> 
> Signed-off-by: Ricardo Ribalda <ribalda@...omium.org>
> 
> diff --git a/Documentation/admin-guide/sysctl/kernel.rst b/Documentation/admin-guide/sysctl/kernel.rst
> index 98d1b198b2b4..97394bd9d065 100644
> --- a/Documentation/admin-guide/sysctl/kernel.rst
> +++ b/Documentation/admin-guide/sysctl/kernel.rst
> @@ -450,9 +450,10 @@ this allows system administrators to override the
>  kexec_load_disabled
>  ===================
>  
> -A toggle indicating if the ``kexec_load`` syscall has been disabled.
> -This value defaults to 0 (false: ``kexec_load`` enabled), but can be
> -set to 1 (true: ``kexec_load`` disabled).
> +A toggle indicating if the syscalls ``kexec_load`` and
> +``kexec_file_load`` have been disabled.
> +This value defaults to 0 (false: ``kexec_*load`` enabled), but can be
> +set to 1 (true: ``kexec_*load`` disabled).
>  Once true, kexec can no longer be used, and the toggle cannot be set
>  back to false.
>  This allows a kexec image to be loaded before disabling the syscall,

LGTM,

Acked-by: Baoquan He <bhe@...hat.com>

> 
> -- 
> b4 0.11.0-dev-d93f8
>