Messages in this thread | | | Date | Tue, 04 Mar 2008 11:52:37 -0800 | From | Max Krasnyanskiy <> | Subject | Re: [RFC/PATCH] cpuset: cpuset irq affinities |
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Peter Zijlstra wrote: > On Tue, 2008-03-04 at 01:35 -0600, Paul Jackson wrote: >> Peter wrote: >>> OK, understood, I'll try and come up with yet another scheme :-) >> Would your per-cpuset 'irqs' file work if, unlike pids in the 'tasks' file, >> we allowed the same irq to be listed in multiple 'irqs' files? > > I did think of that, but that seems rather awkward. For one, how would > you remove an irq from a cpuset? > > Secondly, the beauty of the current solution is that we use > irq_desc->cs->cpus_allowed, if it were in multiple sets, we'd have to > iterate a list, and cpus_or() the bunch. > Yeah, that would definitely be awkward.
Max
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