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Date: Mon, 23 Apr 2007 08:46:28 +1000
From: Paul Mackerras <paulus@samba.org>
To: Christoph Hellwig <hch@infradead.org>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
       "<Andrew Morton" <akpm@osdl.org>, containers@lists.osdl.org,
       Oleg Nesterov <oleg@tv-sign.ru>, linux-kernel@vger.kernel.org,
       Benjamin Herrenschmidt <benh@kernel.crashing.org>
Subject: Re: [PATCH] macintosh/therm_pm72.c: Convert to kthread API.
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Christoph Hellwig writes:

> Why is this driver using a thread at all?  It's only doing a bunch
> of rather short-lived things in the thread.

It's doing i2c reads and writes, which block, and are actually quite
slow.

Paul.