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Date:	Fri, 04 Jul 2014 20:14:25 -0700
From:	Jason Low <>
To:	Davidlohr Bueso <>
Cc:	Dave Chinner <>,
	Peter Zijlstra <>,
	Tim Chen <>,
	Ingo Molnar <>,,
	Linus Torvalds <>
Subject: Re: [regression, 3.16-rc] rwsem: optimistic spinning causing
 performance degradation

On Fri, 2014-07-04 at 01:53 -0700, Davidlohr Bueso wrote:
> On Fri, 2014-07-04 at 00:06 -0700, Jason Low 
> > Subject: [PATCH] rwsem: In rwsem_can_spin_on_owner(), return false if no owner
> Could we change the subject to something more descriptive, ie:
> rwsem: Allow conservative optimistic spinning for reader/writer paths

Sure, a Subject like this would better explain what is the effect of the

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