Messages in this thread | | | Date | Mon, 29 Dec 2008 18:17:29 -0600 | From | Nathan Lynch <> | Subject | Re: [RFC][PATCH] Fix cpu hotplug hang |
| |
Sebastien Dugue wrote: > On Mon, 1 Dec 2008 14:09:07 +0100 Sebastien Dugue <sebastien.dugue@bull.net> wrote: > > > > > here is a patch that fixes a CPU hotplug hang I get on a Power6 > > box. It may not be the only possible fix but it appears to be the > > cleanest I can think of at the moment. > > > > Comments welcomed. > > Ingo, Thomas, anybody care to comment on the hang and this possible fix?
FWIW, I was able to recreate this hang with 2.6.28 on a 8-way Power5 system, and Sebastien's patch does appear to fix the problem for my testcase, which does a few hundred offline/online operations.
| |