Messages in this thread |  | | | From | Rusty Russell <> | | Subject | Re: [PATCH 2/2] cpuhotplug: introduce try_get_online_cpus() | | Date | Mon, 1 Jun 2009 17:01:50 +0930 |
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On Sat, 30 May 2009 06:01:18 am Andrew Morton wrote: > I do think that we should look at > alternative (non-trylocky) ways of fixing them.
Speculating: we could add a "keep_cpu()" (FIXME: improve name) which is kind of like get_cpu() only doesn't disable preemption and only stops *this* cpu from going down.
Not sure where that gets us, but if someone's going to dig deep into this it might help.
Thanks, Rusty.
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