Messages in this thread | | | Date | Thu, 25 Sep 2008 09:29:15 +0200 | From | Ingo Molnar <> | Subject | Re: [PATCH, RFC] v6 scalable classic RCU implementation |
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* Paul E. McKenney <paulmck@linux.vnet.ibm.com> wrote:
> Attached is an updated patch to Classic RCU that applies a hierarchy, > greatly reducing the contention on the top-level lock for large > machines. This passes 10-hour concurrent rcutorture and > online-offline testing on 128-CPU ppc64 without dynticks enabled, and > exposes some timekeeping bugs in presence of dynticks (exciting > working on a system where "sleep 1" hangs until interrupted...).
i'm wondering about those timekeeping bugs. Do you have an idea what's it about and does it affect mainline?
Ingo
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