Messages in this thread | | | Date | Thu, 03 Dec 2009 16:53:13 +0800 | From | Lai Jiangshan <> | Subject | Re: [PATCH tip/core/rcu 0/4] rcu: preemptible expedited grace periods and cleanups |
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Paul E. McKenney wrote: > This patchset includes some cleanups, improved diagnostics, and an > implementation of expedited preemptible RCU grace periods that is > actually expedited: > > 1. Rename the "quiet" functions. The name rcu_quiet_cpu() was > clear enough, but now that we have four flavors of quietness > with more on the way, we need more meaningful names. > > 2. Enable a fourth level of the rcu_node hierarchy. No, we really > don't need the ability to run on million-CPU SMP systems at the > moment, but the additional level allows more vigorous > stress-testing on 16-CPU systems. > > 3. Add an implementation of synchronize_rcu_expedited() that > actually expedites preemptible-RCU grace periods. > > 4. Make RCU_CPU_STALL_DETECTOR be on by default. If this works > well, the #ifdefs will eventually be removed to reduce testing > load. > > This patchset is intended for 2.6.34, but has passed sufficient testing > that it could safely be included in 2.6.33, if desired. >
Ack for the whole patchset except [PATCH 3/4]
Acked-by: Lai Jiangshan <laijs@cn.fujitsu.com>
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