Messages in this thread | | | Date | Tue, 18 Jun 2002 15:29:49 -0400 | From | Benjamin LaHaise <> | Subject | Re: latest linus-2.5 BK broken |
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On Wed, Jun 19, 2002 at 04:51:31AM +1000, Rusty Russell wrote: > You could do a loop here, but the real problem is the broken userspace > interface. Can you fix this so it takes a single CPU number please? > > ie. > /* -1 = remove affinity */ > sys_sched_setaffinity(pid_t pid, int cpu); > > This will work everywhere, and doesn't require userspace to know the > size of the cpu bitmask etc.
That doesn't work. Think of SMT CPU pairs (aka HyperThreading) or quads that share caches.
-ben -- "You will be reincarnated as a toad; and you will be much happier." - 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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