Re: 2.6.23 alpha unistd.h changes

Andi Kleen
2007-09-18T08:36:00Z

Oliver Falk <oliver@linux-kernel.at> writes:

> At Alphacore we used to patch the kernel headers for a while now; We
> added syscalls __NR_openat (447) until __NR_tee (466).
>
> However, since 2.6.23 these syscall where added upstream, but with
> different syscall numbers; What happens is the following:
>
> * glibc 2.6.90 compiled with 2.6.23 headers installed
> * kernel 2.6.21 (our patched headers in place, different syscall
> 'ordering'/numbers) installed
>
> [root@tyskie ~]# uname -r; touch x; rm -f x
> 2.6.23-0.145.rc4.fc8
> rm: cannot remove `x': File exists
>
> :-( I don't want to live without rm :-P and chmod doesn't work as well...

It's all your own fault. Only mainline can assign syscall numbers.
See it as a learning experience. Next time when you assign them
you shouldn't use them before the patch has reached mainline.

-Andi