[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index] [Xen-devel] Re: [PATCH] backport rcu_needs_cpu and call it from stop_hz_timer
On 12 Jun 2006, at 12:57, Harry Butterworth wrote: I have now tested this against xen-testing 9735. Without the patch, andwith a domU kernel configured with CONFIG_DEBUG_SOFTLOCKUP disabled (this debug code masks the problem), and smp and cpu hotplug enabled, a script which does lots of cpu hotplug/removal will hang (cpu hotplug/removal stresses the RCU synchronize_sched function). With the patch, the script doing cpu hotplug/removal runs for as long as I have let it so far (thousands of hotplugs). Okay, the patch looks good to me. I'll apply to our trees. Thanks. -- Keir _______________________________________________ Xen-devel mailing list Xen-devel@xxxxxxxxxxxxxxxxxxx http://lists.xensource.com/xen-devel
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