linux-kernel - Re: [PATCH] Tracepoints fix reentrancy

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Message-ID: <20080930071047.GD30927@elte.hu>
Date:	Tue, 30 Sep 2008 09:10:47 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	"Frank Ch. Eigler" <fche@...hat.com>,
	Lai Jiangshan <laijs@...fujitsu.com>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH] Tracepoints fix reentrancy


* Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca> wrote:

> The tracepoints had the same problem markers did have wrt reentrancy. Apply a
> similar fix using a rcu_barrier after each tracepoint mutex lock.
> 
> Signed-off-by: Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
> CC: Ingo Molnar <mingo@...e.hu>
> CC: "Frank Ch. Eigler" <fche@...hat.com>
> CC: Lai Jiangshan <laijs@...fujitsu.com>

applied to tip/tracing/ftrace, thanks Mathieu!

	Ingo
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