Messages in this thread | | | Date | Thu, 15 Nov 2007 15:13:31 +0100 | From | Ingo Molnar <> | Subject | Re: [RFC PATCH 0/3] Refcount Based Cpu Hotplug V3 |
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* Gautham R Shenoy <ego@in.ibm.com> wrote:
> Hi, > This is Try #3 for the Refcount + Waitqueue based implementation > for cpu-hotplug locking. The earlier versions can be found at > > http://lkml.org/lkml/2007/10/24/36 > and > http://lkml.org/lkml/2007/10/16/118. > > This version drops the patch 4 from the earlier series, which was > basically removing the CPU_DEAD and CPU_UP_CANCELLED event handling in > the workqueue subsystem. This was based on Oleg Nestertov's comments > since the problem which the patch was attempting to solve was more > complicated and needs to be looked into seperately. > > The patch series is against v2.6.24-rc2 and has survived > overnight kern_bench + cpu-offline-online tests on > - 8 way x86, > - 8 way x86_64, > - 128 way ppc64 boxes. > > The patch series has gone through many iterations and looks to have > matured in the process. > > Andrew, could you please consider it for the next -mm release if there > are no objections ?
really nice stuff!
Acked-by: Ingo Molnar <mingo@elte.hu>
since this is in essence a regression fix, how about a v2.6.24 merge? CPU online/offline never worked really reliably and it's used by suspend/resume as wel.
Ingo - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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