Messages in this thread | | | From | Andi Kleen <> | Subject | Re: [PATCH 00/05] robust per_cpu allocation for modules | Date | Mon, 17 Apr 2006 19:10:46 +0200 |
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On Sunday 16 April 2006 09:06, Nick Piggin wrote:
> I still don't understand what the justification is for slowing down > this critical bit of infrastructure for something that is only a > problem in the -rt patchset, and even then only a problem when tracing > is enabled.
There are actually problems outside -rt. e.g. the Xen kernel was running into a near overflow and as more and more code is using per cpu variables others might too.
I'm confident the problem can be solved without adding more variables though - e.g. in the way rusty proposed.
-Andi
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