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Date: Wed, 28 Jun 2006 14:08:22 -0500
From: "Serge E. Hallyn" <serue@us.ibm.com>
To: Hugh Dickins <hugh@veritas.com>
Cc: "Serge E. Hallyn" <serue@us.ibm.com>, Linus Torvalds <torvalds@osdl.org>,
       Andrew Morton <akpm@osdl.org>, linux-kernel@vger.kernel.org
Subject: Re: please revert kthread from loop.c
Message-ID: <20060628190822.GB17482@sergelap.austin.ibm.com>
References: <Pine.LNX.4.64.0606261920440.1330@blonde.wat.veritas.com> <20060627054612.GA15657@sergelap.austin.ibm.com> <Pine.LNX.4.64.0606281933300.24170@blonde.wat.veritas.com>
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Quoting Hugh Dickins (hugh@veritas.com):
> > 	This version has passed parallel runs of the following
> > 	script (on different devices of course), i.e.
> 
> But not good for me.  Gets further e.g. 170 iterations,
> but then hangs while kthread_stop waits for completion.

Confounded...

> I haven't investigated further.  Is there really any reason
> to be messing with what has worked well for so long here?

Only because loop.c can be compiled as a module, and kernel_thread
is slated to have it's EXPORT_SYMBOL removed.

-serge