Messages in this thread | | | Date | Tue, 30 Jun 2015 03:03:15 +0200 | From | Oleg Nesterov <> | Subject | Re: [RFC PATCH 0/6] stop_machine: kill stop_cpus_mutex and stop_cpus_lock |
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On 06/29, Peter Zijlstra wrote: > > On Fri, Jun 26, 2015 at 10:46:12PM +0200, Oleg Nesterov wrote: > > > So I am still not convinced... But probably I am too biased ;) > > I'm just a tad worried, I don't want to make the relatively cheap > operation of stop_two_cpus() more expensive to the benefit of > stop_cpus().
OK. And I have another (simple) idea...
Never say tomorrow, but I will try to re-check and make the patch tomorrow ;)
But let me send some cleanups first. Plus I believe I found another stop_machine bug, see the last patch. So I hope these changes make sense in any case.
Oleg.
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