Messages in this thread | | | Date | Mon, 5 Jan 2009 06:05:29 +0100 | From | Andi Kleen <> | Subject | Re: [PATCH] Fix rcutree grace-period-latency bug on small systems |
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> The following patch properly updates the ->signaled field for the > "small"-system case (no more than 32 CPUs for 32-bit kernels and no more > than 64 CPUs for 64-bit kernels). > > I believe that this patch should be included for 2.6.29.
Yes, it's really needed. One of my test system takes forever to boot without it when tree rcu is enabled.
Thanks Paul for the debugging work.
-Andi
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