linux-kernel - Re: [PATCH] ftrace: fix setting of pos in read

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Date:	Wed, 23 Apr 2008 08:06:25 -0400 (EDT)
From:	Steven Rostedt <rostedt@...dmis.org>
To:	Ingo Molnar <mingo@...e.hu>
cc:	LKML <linux-kernel@...r.kernel.org>,
	Peter Zijlstra <peterz@...radead.org>, akpm@...dmis.org,
	Soeren Sandmann Pedersen <sandmann@...hat.com>,
	Pekka Paalanen <pq@....fi>
Subject: Re: [PATCH] ftrace: fix setting of pos in read_pipe


On Wed, 23 Apr 2008, Ingo Molnar wrote:
> applied - but what is missing from your changelog is effects of this
> bug. When testers check lkml they might be interested in that
> information. Is the result of this bug an incorrect trace_pipe output?
> (double entries, or missed entries?)

Actually, I'm not really sure what the error would be. Could be double
entries or missing entries, or infinite output. I notice the bug via code
review not tests. I could run it with the buggy code and see what the
symptoms are.

-- Steve

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