linux-kernel - Re: [RFC PATCH] seqlock: add lockdep support

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Date:	Wed, 18 Sep 2013 17:29:51 +0800
From:	Lin Ming <minggr@...il.com>
To:	Peter Zijlstra <peterz@...radead.org>
Cc:	Ingo Molnar <mingo@...nel.org>,
	John Stultz <john.stultz@...aro.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [RFC PATCH] seqlock: add lockdep support

On Wed, 2013-09-18 at 11:15 +0200, Peter Zijlstra wrote:
> On Wed, Sep 18, 2013 at 02:57:13PM +0800, Lin Ming wrote:
> > Hi,
> > 
> > lockdep support for seqlock was discussed at:
> > http://marc.info/?l=linux-kernel&m=137875860600648&w=2
> > 
> > This is very draft patch to add lockdep support for seqlock.
> > Actually, it doesn't work yet. I throw it out to get comments and help.
> > 
> > TODO:
> > - fix seqlock usage in vdso code
> > 
> > I got below with this patch applied.
> > There should be something wrong with this patch.
> > Any idea?
> 
> You're aware of John Stultz's patches? 

No.

Glad that John has wrote this.
Reading it ...

Thanks for the info.

> 
> lkml.kernel.org/r/1379117948-7385-1-git-send-email-john.stultz@...aro.org


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