[PATCH] kexec: include sysctl to disable

WANG Cong xiyou.wangcong at gmail.com
Thu Jan 20 00:21:50 EST 2011

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)

But root can still change it to 0 and do kexec like normal, right?

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