linux-kernel - Re: [PATCH 4/5] locking/rwsem: Avoid deceiving lock spinners

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Message-ID: <1422739076.28351.5.camel@stgolabs.net>
Date:	Sat, 31 Jan 2015 13:17:56 -0800
From:	Davidlohr Bueso <dave@...olabs.net>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	"Paul E. McKenney" <paulmck@...ux.vnet.ibm.com>,
	Jason Low <jason.low2@...com>,
	Michel Lespinasse <walken@...gle.com>,
	Tim Chen <tim.c.chen@...ux.intel.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 4/5] locking/rwsem: Avoid deceiving lock spinners

On Sat, 2015-01-31 at 13:14 -0800, Davidlohr Bueso wrote:
> - owner changes from nil: implies that a writer now holds the mutex. Why

Err... that should say rwsem.

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