Messages in this thread | | | Date | Tue, 27 May 2003 01:34:46 +0200 | From | Andrea Arcangeli <> | Subject | Re: userspace irq balancer |
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On Mon, May 26, 2003 at 04:26:16PM -0700, Andrew Morton wrote: > Andrea Arcangeli <andrea@suse.de> wrote: > > > > if (IRQ_ALLOWED(phys_id, allowed_mask) && idle_cpu(phys_id)) > > return cpu; > > How hard would it be to make this HT-aware? > > idle_cpu(phys_id) && idle_cpu_siblings(phys_id) > > or whatever.
yeah! that was the obvious next step. as fast path the additional && is sure good. Maybe that's enough after all, and we might search only for fully idle cpus, however I wouldn't dislike to search for a fallback (partially) logical idle cpu if none physical cpu is (fully) idle.
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