linux-kernel - Re: [PATCH 06/11] rwsem: wake queued readers when writer blocks on active read lock

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Message-ID: <AANLkTiny_GOfvX-t=SoXZVi8uO3SHC_h2YgbPtCcLXcu@mail.gmail.com>
Date:	Thu, 12 Aug 2010 09:24:43 -0700
From:	Tony Luck <tony.luck@...el.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Michel Lespinasse <walken@...gle.com>,
	David Howells <dhowells@...hat.com>,
	Ingo Molnar <mingo@...e.hu>,
	Thomas Gleixner <tglx@...utronix.de>,
	LKML <linux-kernel@...r.kernel.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Mike Waychison <mikew@...gle.com>,
	Suleiman Souhlal <suleiman@...gle.com>,
	Ying Han <yinghan@...gle.com>
Subject: Re: [PATCH 06/11] rwsem: wake queued readers when writer blocks on
 active read lock

On Thu, Aug 12, 2010 at 8:57 AM, Linus Torvalds
<torvalds@...ux-foundation.org> wrote:
> Tony, can you verify that just dropping the "__IA64_UL_CONST" makes
> things work for you? Having a non-working rwsem makes me really
> nervous, but considering the lack of reports on other architectures, I
> really do hope this is just a trivial ia64 signedness difference.

Yes it does. Please pull from

 git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux-2.6.git release

to get this fix.

-Tony
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