lkml.org 
[lkml]   [2009]   [Dec]   [3]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
SubjectRe: [PATCH tip/core/rcu 0/4] rcu: preemptible expedited grace periods and cleanups
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>


\
 
 \ /
  Last update: 2009-12-03 09:57    [W:0.273 / U:0.468 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site