From: Gautham R Shenoy <ego@in.ibm.com>
To: Steven Rostedt <rostedt@goodmis.org>
Cc: linux-kernel@vger.kernel.org, linux-rt-users@vger.kernel.org,
Ingo Molnar <mingo@elte.hu>, Paul E McKenney <paulmck@us.ibm.com>,
Dipankar Sarma <dipankar@in.ibm.com>, Ted Tso <tytso@us.ibm.com>,
dvhltc@us.ibm.com, Oleg Nesterov <oleg@tv-sign.ru>,
Andrew Morton <akpm@linux-foundation.org>,
bunk@kernel.org, Josh Triplett <josh@freedesktop.org>,
Thomas Gleixner <tglx@linutronix.de>,
Peter Zijlstra <a.p.zijlstra@chello.nl>
Subject: Re: [RFC PATCH 0/6] RCU: Preemptible-RCU
Date: Fri, 14 Dec 2007 02:39:36 +0530 [thread overview]
Message-ID: <20071213210936.GB7304@in.ibm.com> (raw)
In-Reply-To: <Pine.LNX.4.58.0712131230220.3369@gandalf.stny.rr.com>
Hi Steve,
On Thu, Dec 13, 2007 at 12:36:47PM -0500, Steven Rostedt wrote:
> On Thu, 13 Dec 2007, Gautham R Shenoy wrote:
>
> >
> > Currently it is based against the latest linux-2.6-sched-devel.git
> >
> > Awaiting your feedback!
>
> Hi Gautham,
>
> Thanks for posting this. I believe this is the same version of preempt RCU
> as we have in the RT patch. It seems to be very stable. I ran the RT patch
> version of the RCU Preempt (just the Preempt RCU patches without RT on
> latest git) on a 64way box and the results seems just as good (if not
> slightly better) than classic RCU! I'll rerun this patch series on that
> box and post the results.
The version of synchronize_sched() that's implemented in this patchset
requires these CPU-Hotplug patches -->
http://lkml.org/lkml/2007/11/15/239.
This is the reason why I rebased it against linux-2.6-sched-devel.git
since it already has those patches.
>
> >From what I'm seening with this, is that it is ready for mainline. These
> patches should probably go into -mm and be ready for 2.6.25. If Andrew
> wants to wait for my results, I'll run them tonight.
>
> Thanks Gautham, Paul and Dipankar for all this great work!
>
Anytime! That probably the only way I could teach myself how RCU works!
> -- Steve
>
Thanks and Regards
gautham.
--
Gautham R Shenoy
Linux Technology Center
IBM India.
"Freedom comes with a price tag of responsibility, which is still a bargain,
because Freedom is priceless!"
next prev parent reply other threads:[~2007-12-13 21:10 UTC|newest]
Thread overview: 34+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-12-13 17:03 [RFC PATCH 0/6] RCU: Preemptible-RCU Gautham R Shenoy
2007-12-13 17:14 ` [RFC PATCH 1/6] Preempt-RCU: Use softirq instead of tasklets for RCU Gautham R Shenoy
2007-12-13 17:15 ` [RFC PATCH 2/6] Preempt-RCU: Reorganize RCU code into rcuclassic.c and rcupdate.c Gautham R Shenoy
2007-12-14 14:51 ` Johannes Weiner
2007-12-14 16:12 ` Paul E. McKenney
2007-12-13 17:16 ` [RFC PATCH 3/6] Preempt-RCU: Fix rcu_barrier for preemptive environment Gautham R Shenoy
2007-12-13 17:16 ` [RFC PATCH 4/6] Preempt-RCU: Implementation Gautham R Shenoy
2008-02-29 4:34 ` Roman Zippel
2008-02-29 4:53 ` Paul E. McKenney
2008-02-29 12:38 ` Roman Zippel
2008-02-29 13:55 ` Steven Rostedt
2008-03-01 19:39 ` Paul E. McKenney
2008-03-01 21:07 ` Steven Rostedt
2008-03-02 3:09 ` Roman Zippel
2008-03-02 3:06 ` Roman Zippel
2008-03-03 18:55 ` Paul E. McKenney
2008-03-04 20:22 ` [PATCH] move PREEMPT_RCU config option back under PREEMPT Paul E. McKenney
2008-03-04 20:55 ` Steven Rostedt
2008-03-05 0:58 ` Paul E. McKenney
2008-03-05 2:06 ` Roman Zippel
2008-03-05 19:00 ` Paul E. McKenney
2008-03-04 20:49 ` [RFC PATCH 4/6] Preempt-RCU: Implementation Roman Zippel
2008-02-29 13:53 ` Steven Rostedt
2008-02-29 14:31 ` Roman Zippel
2007-12-13 17:17 ` [RFC PATCH 5/6] Preempt-RCU: CPU Hotplug handling Gautham R Shenoy
2007-12-13 17:18 ` [RFC PATCH 6/6] Preempt-RCU: Update RCU Documentation Gautham R Shenoy
2007-12-13 20:42 ` Ingo Molnar
2007-12-13 21:06 ` Gautham R Shenoy
2007-12-13 17:36 ` [RFC PATCH 0/6] RCU: Preemptible-RCU Steven Rostedt
2007-12-13 20:42 ` Ingo Molnar
2007-12-13 20:56 ` Steven Rostedt
2007-12-13 21:09 ` Gautham R Shenoy [this message]
2007-12-13 20:38 ` Ingo Molnar
2007-12-13 23:41 ` Paul E. McKenney
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