On Thu, Oct 03, 2002 at 03:39:43PM -0600, Brian F. G. Bidulock wrote:
> I see that RH, in their infinite wisdom, have seen fit to remove
> the export of sys_call_table in 8.0 kernels breaking any loadable
> modules that wish to implement non-implemented system calls such
> as LiS's or iBCS implementation of putmsg/getmsg.
>
> sys_call_table is exported in current 2.4 and 2.5 kernels.
As of 2.5.40bk it is now also not exported, which is a good thing.
> Until now, loadable modules have been able to just overwrite
> the non implemented point in the sys_call_table when they load
> and putting it back when they unload. There is no mechanism
> for registering system calls.
That's a racy, easily breakable thing to do. Don't do it.
> What is the kernel.org take on this?
It is a good thing that the sys_call_table is now not exported.
thanks,
greg k-h
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