linux-kernel - Re: [PATCH] reboot: add reboot

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Date:   Mon, 2 Jul 2018 14:30:57 -0700
From:   Andrew Morton <akpm@...ux-foundation.org>
To:     "Tian, Baofeng" <baofeng.tian@...el.com>
Cc:     "andrew.smirnov@...il.com" <andrew.smirnov@...il.com>,
        "linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
        "Zhuang, Qihua" <qihua.zhuang@...el.com>
Subject: Re: [PATCH] reboot: add reboot_panic parameter

On Mon, 2 Jul 2018 02:20:59 +0000 "Tian, Baofeng" <baofeng.tian@...el.com> wrote:

> This "reboot_panic" kernel cmdline parameter allow to change the
> reboot mode in case of panic only. It use the same format as the
> "reboot" parameter.
> Example, for cf9 warm reset in case of panic: reboot_panic=p,w
> currently it only support cold/warm reset in case of panic.

Why should we do this?  What are the benefits, what are the usecases,
etc?  

Some user-facing documentation should clear that up.  `grep -r reboot=
Documentation' will direct you to the appropriate places.