linux-kernel - Re: [tip:tracing/core] tracing/events: fix concurrent access to ftrace

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Message-ID: <20090507080914.GA12285@elte.hu>
Date:	Thu, 7 May 2009 10:09:14 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Li Zefan <lizf@...fujitsu.com>
Cc:	mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org,
	tzanussi@...il.com, a.p.zijlstra@...llo.nl, fweisbec@...il.com,
	rostedt@...dmis.org, tglx@...utronix.de,
	linux-tip-commits@...r.kernel.org
Subject: Re: [tip:tracing/core] tracing/events: fix concurrent access to
	ftrace_events list


* Li Zefan <lizf@...fujitsu.com> wrote:

> tip-bot for Li Zefan wrote:
> > Commit-ID:  20c8928abe70e204bd077ab6cfe23002d7788983
> > Gitweb:     http://git.kernel.org/tip/20c8928abe70e204bd077ab6cfe23002d7788983
> > Author:     Li Zefan <lizf@...fujitsu.com>
> > AuthorDate: Wed, 6 May 2009 10:33:45 +0800
> > Committer:  Ingo Molnar <mingo@...e.hu>
> > CommitDate: Wed, 6 May 2009 10:38:19 +0200
> > 
> > tracing/events: fix concurrent access to ftrace_events list
> > 
> 
> There is a deadlock in this patch, and I sent out a v2 patch and
> expected it to be applied:
> 	http://lkml.org/lkml/2009/5/6/26

ah, i probably already had the first one applied.

> Below is a fix on top of this patch. Sorry for my carelessness.

thanks, applied. No need to be sorry!

btw., we might want to add self-tests for filter functionality too 
perhaps?

	Ingo
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