linux-kernel - Re: [PATCH 0/4] rwsem: Implement writer lock-stealing

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Date:	Wed, 13 Feb 2013 15:49:32 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Alex Shi <alex.shi@...el.com>
Cc:	Michel Lespinasse <walken@...gle.com>,
	linux-kernel@...r.kernel.org, anton@...ba.org, hpa@...or.com,
	arjan@...ux.intel.com, a.p.zijlstra@...llo.nl,
	torvalds@...ux-foundation.org, yuanhan.liu@...ux.intel.com,
	dhowells@...hat.com, akpm@...ux-foundation.org, tglx@...utronix.de
Subject: Re: [PATCH 0/4] rwsem: Implement writer lock-stealing


* Alex Shi <alex.shi@...el.com> wrote:

> On 02/09/2013 10:45 AM, Michel Lespinasse wrote:
> > This proposal implements writer lock stealing in lib/rwsem.c, just as
> > Alex Shi's earlier proposal did for the simpler lib/rwsem-spinlock.c
> 
> Ops, my patch in tip/urgent is for rwsem. Yuanhan's patch is 
> for rwsem-spinlock.

Your rwsem patch is queued up for v3.9, in the tip:core/locking 
tree:

  3a15e0e0cdda rwsem: Implement writer lock-stealing for better scalability

Michel, mind having a look at that and possibly generate a delta 
patch, if your patch has changes we should apply?

Thanks,

	Ingo
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