linux-kernel - Re: [RFC PATCH] Linux kernel Wait-Free Concurrent Queue Implementation

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Message-ID: <20130411224445.GA1125@Krystal>
Date:	Thu, 11 Apr 2013 18:44:45 -0400
From:	Mathieu Desnoyers <mathieu.desnoyers@...icios.com>
To:	Eric Wong <normalperson@...t.net>
Cc:	Lai Jiangshan <laijs@...fujitsu.com>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Stephen Hemminger <shemminger@...tta.com>,
	Davide Libenzi <davidel@...ilserver.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] Linux kernel Wait-Free Concurrent Queue
	Implementation

* Eric Wong (normalperson@...t.net) wrote:
> Mathieu Desnoyers <mathieu.desnoyers@...icios.com> wrote:
> > It is provided as a starting point only. Test cases should be ported
> > from Userspace RCU to kernel space and thoroughly ran on a wide range of
> > architectures before considering this port production-ready.
> 
> Hi Mathieu, any progress on this front?

Nope, I've been busy on other things.

> I'm not sure how to approach
> test cases in the kernel, perhaps taking hints from locking_selftest()
> would be a start.

I guess creating a wfcq_selftest() derived from userspace RCU
test_urcu_wfcq.c might be a good start.

> Fwiw, I've been running wfcqueue+epoll for a few weeks now on my
> personal machines without problems :)

Great!

Thanks,

Mathieu


-- 
Mathieu Desnoyers
EfficiOS Inc.
http://www.efficios.com
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