[PATCH] Use uname not sysctl to get the kernel revision

[Alan Cox]

Ar Mer, 2006-07-12 am 16:19 -0700, ysgrifennodd H. Peter Anvin:
> glibc is (and has to be) LGPL.
> 
> Anyway, it seems absolutely insane that having a programmable threshold 
> for spinning is patented...

I'm not aware programmable thresholds are patented/patent-pending, just
having the kernel indicate through a shared variable whether other tasks
are waiting so that it avoids syscalls and latency costs.