Re: latest linus-2.5 BK broken
Benjamin LaHaise (email@example.com)
Tue, 18 Jun 2002 15:29:49 -0400
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?
> /* -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.
"You will be reincarnated as a toad; and you will be much happier."
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