linux-kernel - Re: [GIT PULL rcu/urgent] Banishing kthreads

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Date:	Sat, 18 Jun 2011 21:48:11 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>
Cc:	linux-kernel@...r.kernel.org, torvalds@...ux-foundation.org,
	peterz@...radead.org, akpm@...ux-foundation.org,
	benh@...nel.crashing.org, fweisbec@...il.com, ak@...ux.intel.com,
	tim.c.chen@...ux.intel.com
Subject: Re: [GIT PULL rcu/urgent] Banishing kthreads


* Paul E. McKenney <paulmck@...ux.vnet.ibm.com> wrote:

> Hello, Ingo,
> 
> This pull request banishes RCU kthreads in the RCU_BOOST=n case,
> in response to popular demand.  There are two commits in this
> series:
> 
> 1.	Minimal patch that #ifdefs out the kthread code.
> 
> 2.	Code-movement patch that puts the code #ifdefed out above
> 	under existing #ifdefs in kernel/rcutree_plugin.h.
> 
> These changes are available in the git repository at:
> 
>   git://git.kernel.org/pub/scm/linux/kernel/git/paulmck/linux-2.6-rcu.git rcu/urgent
> 
>   							Thanx, Paul
> 
> ------------------>
> 
> Paul E. McKenney (1):
>       rcu: Simplify curing of load woes
> 
> Shaohua Li (1):
>       rcu: Use softirq to address performance regression
> 
>  Documentation/filesystems/proc.txt  |    1 +
>  include/linux/interrupt.h           |    1 +
>  include/trace/events/irq.h          |    3 +-
>  kernel/rcutree.c                    |   88 ++++++++++++++++-------------------
>  kernel/rcutree.h                    |    1 +
>  kernel/rcutree_plugin.h             |   20 ++++----
>  kernel/softirq.c                    |    2 +-
>  tools/perf/util/trace-event-parse.c |    1 +
>  8 files changed, 57 insertions(+), 60 deletions(-)

Pulled, thanks a lot Paul!

	Ingo
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