linux-kernel - Re: [PATCH] kexec: include sysctl to disable

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Message-ID: <AANLkTi=LJWvT5r=0rSBxV4aQdm6n2YAS_0y0RkKdTXQp@mail.gmail.com>
Date:	Thu, 27 Jan 2011 13:40:02 -0500
From:	Eric Paris <eparis@...isplace.org>
To:	WANG Cong <xiyou.wangcong@...il.com>,
	Eric Paris <eparis@...hat.com>
Cc:	linux-kernel@...r.kernel.org, kexec@...ts.infradead.org,
	"Eric W. Biederman" <ebiederm@...ssion.com>
Subject: Re: [PATCH] kexec: include sysctl to disable

Ping, not hearing any argument is usually a good thing   :)

-Eric

On Thu, Jan 20, 2011 at 12:32 AM, WANG Cong <xiyou.wangcong@...il.com> wrote:

>> On Wed, 19 Jan 2011 17:26:30 -0500, Eric Paris wrote:
>>
>>> much like /proc/sys/kernel/modules_disable is used to disable module
>>> loading, /proc/sys/kernel/kexec_disable is used to disable kexec code
>>> loading.  It would still be possible to use kexec -l to load a kernel,
>>> set the tunable to 1 so the kernel waiting to boot couldn't change, and
>>> then launch the kernel at a later time (through kexec -e or through a
>>> crash)

> Acked-by: WANG Cong <xiyou.wangcong@...il.com>
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