linux-kernel - Re: [PATCH] rwsem-spinlock: let rwsem write lock stealable

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Message-ID: <20130131131228.GB6627@gmail.com>
Date:	Thu, 31 Jan 2013 14:12:28 +0100
From:	Ingo Molnar <mingo@...nel.org>
To:	Yuanhan Liu <yuanhan.liu@...ux.intel.com>
Cc:	Michel Lespinasse <walken@...gle.com>,
	linux-kernel@...r.kernel.org, David Howells <dhowells@...hat.com>
Subject: Re: [PATCH] rwsem-spinlock: let rwsem write lock stealable


* Yuanhan Liu <yuanhan.liu@...ux.intel.com> wrote:

> BTW, mind to tell a nice test case for mmap_sem?

this one was write-hitting on mmap_sem pretty hard, last I 
checked:

  http://people.redhat.com/mingo/threaded-mmap-stresstest/

Thanks,

	Ingo
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