Messages in this thread | | | Date | Wed, 26 Feb 2003 02:28:19 -0800 | From | Andrew Morton <> | Subject | Re: [PATCH][2.5] fix preempt-issues with smp_call_function() |
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Dave Jones <davej@codemonkey.org.uk> wrote: > > btw, (unrelated) shouldn't smp_call_function be doing magick checks > with cpu_online() ?
Looks OK? It sprays the IPI out to all the other CPUs in cpu_online_map, and waits for num_online_cpus()-1 CPUs to answer.
All very racy in the presence of CPUs going offline, but that's all over the place. Depends how the offlining will be done I guess.
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