Messages in this thread | | | Subject | Re: [PATCH] syscall interface for cpu affinity | From | Andreas Jaeger <> | Date | Sun, 10 Mar 2002 21:29:31 +0100 |
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Robert Love <rml@tech9.net> writes:
> Linus, > > I have updated the patch a bit and resycned to 2.5.6. Are you > interested? I believe a user interface for setting task CPU affinity is > useful and completes the rest of our sched_* syscalls. A syscall > implementation seems to be what everyone wants (I have a proc-interface, > too...)
Please add the procinterface also! I've found it today (for 2.4.18) and it's much easier to use with existing programs.
Andreas
> This patch implements > > int sched_set_affinity(pid_t pid, unsigned int len, > unsigned long *new_mask_ptr); > > int sched_get_affinity(pid_t pid, unsigned int *user_len_ptr, > unsigned long *user_mask_ptr) > > which set and get the cpu affinity (task->cpus_allowed) for a task, > using the set_cpus_allowed function in Ingo's scheduler. The functions > properly support changes to cpus_allowed, implement security, and are > well-tested. > > They are based on Ingo's older affinity syscall patch and my older > affinity proc patch. > > Comments?
Please add it for all archs - this is not only interesting for x86, Andreas
[...] -- Andreas Jaeger SuSE Labs aj@suse.de private aj@arthur.inka.de http://www.suse.de/~aj - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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