From: Peter Zijlstra <peterz@infradead.org>
To: paulmck@linux.vnet.ibm.com
Cc: Steven Rostedt <rostedt@goodmis.org>,
LKML <linux-kernel@vger.kernel.org>,
RT <linux-rt-users@vger.kernel.org>,
Thomas Gleixner <tglx@linutronix.de>,
Clark Williams <williams@redhat.com>
Subject: Re: [RFC][PATCH RT] rwsem_rt: Another (more sane) approach to mulit reader rt locks
Date: Thu, 17 May 2012 17:32:59 +0200 [thread overview]
Message-ID: <1337268779.4281.38.camel@twins> (raw)
In-Reply-To: <20120517151838.GA8692@linux.vnet.ibm.com>
On Thu, 2012-05-17 at 08:18 -0700, Paul E. McKenney wrote:
> Some researchers at MIT RCU-ified this lock:
>
> http://people.csail.mit.edu/nickolai/papers/clements-bonsai.pdf
Ah, as have I [1].. and they seem to have gotten about as far as I have,
which means almost there but not quite [2] :-)
The most interesting case is file maps and they simply ignored those.
While I appreciate that from an academic pov, -- they can still write a
paper on the other interesting bits -- I don't really like it from a
practical point.
[1] https://lkml.org/lkml/2010/1/4/257
[2] https://lkml.org/lkml/2010/1/4/532
next prev parent reply other threads:[~2012-05-17 15:33 UTC|newest]
Thread overview: 22+ messages / expand[flat|nested] mbox.gz Atom feed top
2012-05-15 14:03 [RFC][PATCH RT] rwsem_rt: Another (more sane) approach to mulit reader rt locks Steven Rostedt
2012-05-15 15:06 ` Peter Zijlstra
2012-05-15 15:42 ` Steven Rostedt
2012-05-15 17:25 ` Steven Rostedt
2012-05-15 17:31 ` Peter Zijlstra
2012-05-15 17:43 ` Steven Rostedt
2012-05-15 16:26 ` Steven Rostedt
2012-05-15 18:00 ` John Kacur
2012-05-15 18:14 ` Steven Rostedt
2012-05-17 15:18 ` Paul E. McKenney
2012-05-17 15:25 ` Paul E. McKenney
2012-05-17 15:32 ` Peter Zijlstra [this message]
2012-05-17 15:47 ` Paul E. McKenney
2012-05-17 16:17 ` Peter Zijlstra
2012-05-17 20:08 ` Paul E. McKenney
2012-05-17 20:20 ` Peter Zijlstra
2012-05-22 15:26 ` Thomas Gleixner
2012-05-22 15:50 ` Steven Rostedt
2012-05-22 16:40 ` Thomas Gleixner
2012-05-22 16:52 ` Steven Rostedt
2012-05-22 17:07 ` Thomas Gleixner
2012-05-22 17:50 ` Steven Rostedt
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