Re: export of sys_call_table

From: Arjan van de Ven (arjanv@redhat.com)
Date: Fri Oct 04 2002 - 04:20:07 EST


On Fri, 2002-10-04 at 02:32, Andy Pfiffer wrote:
(Beowulf support) also relies on this ability.
> > Or at least "kmonte" trick to load and switch to a new kernel.
>
> The last kmonte that I worked with would preserve, then overwrite,
> sys_call_table[__NT_reboot] with a pointer to it's version of reboot()
> when the kmonte module was loaded.
>
> If asked to unload, the original version of reboot() was restored prior
> to being unloaded.

this actually gets very messy if you have ANOTHER module that tries to
do the same at the same time....

I wonder why kmonte can't just use a reboot notifier.... existing
infrastructure already ;(



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