Re: sys_close undefined on x86_64

[Andi Kleen]

John Stebbins <john@xxxxxxxxxxxxx> writes:

> Can someone tell me if this is a kernel bug or a problem with the module
> I'm trying to compile?
>
> I'm attempting to compile an external module for the PVR-250 mpeg-2
> capture card (ivtv module).  The driver is a little behind the times,
> but various people have persuaded it to compile and load on 2.6
> systems.  I had it running on i386 arch 2.6 kernel earlier.  But I've
> since upgraded to x86_64.
>
> insmod fails with sys_close undefined message when attempting to load
> the module.
>
> The other sys_ functions seem to be there.
>
> If the use of sys_close has been deprecated or something, could someone
> please give me a pointer to the right way to do syscalls in the 2.6
> kernels.  I've done some digging and just can't find any useful
> information.

It's just not exported and x86-64 unlike i386 calls in kernel system
calls directly.  In theory it could be exported (stick a
EXPORT_SYMBOL(sys_close) somewhere in the main kernel), however it
would be better to change the driver to not use it and use a private
file or no file at all.

-Andi

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