linux-kernel - Re: [PATCH] ftrace: safe traversal of ftrace

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Message-ID: <alpine.LFD.1.10.0805271740580.3295@apollo.tec.linutronix.de>
Date:	Tue, 27 May 2008 17:41:26 +0200 (CEST)
From:	Thomas Gleixner <tglx@...utronix.de>
To:	Abhishek Sagar <sagar.abhishek@...il.com>
cc:	rostedt@...dmis.org, Ingo Molnar <mingo@...e.hu>,
	LKML <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH] ftrace: safe traversal of ftrace_hash hlist

On Sat, 24 May 2008, Abhishek Sagar wrote:
> Hi Steven,
 
> I noticed that concurrent instances of ftrace_record_ip() have a
> race between ftrace_hash list traversal during ftrace_ip_in_hash()
> (before acquiring ftrace_shutdown_lock) and ftrace_add_hash().If
> it's so then this should fix it.

Applied. Thanks,

	 tglx
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