Re: getting processor numbers

Ulrich Drepper
2007-04-03T17:38:09Z

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linux-os (Dick Johnson) wrote:
> Shouldn't it just be another system call? 223 is currently unused. You
> could fill that up with __NR_nr_cpus. The value already exists in
> the kernel.

You forget about Linus' credo "there shall be no sysconf-like syscall".
I'd be all for sys_sysconf or even the limited sys_nr_cpus although
ideally then we'd have two syscalls (probed CPUs, active CPUs, in which
case sys_sysconf is the better choice).

--
➧ Ulrich Drepper ➧ Red Hat, Inc. ➧ 444 Castro St ➧ Mountain View, CA ❖

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