linux-kernel - Re: [PATCH] bluetooth bnep: Convert to kthread API.

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Message-ID: <20070422194455.GA18561@infradead.org>
Date:	Sun, 22 Apr 2007 20:44:55 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
Cc:	"Eric W. Biederman" <ebiederm@...ssion.com>,
	containers@...ts.osdl.org, Oleg Nesterov <oleg@...sign.ru>,
	Christoph Hellwig <hch@...radead.org>,
	linux-kernel@...r.kernel.org, Marcel Holtmann <marcel@...tmann.org>
Subject: Re: [PATCH] bluetooth bnep: Convert to kthread API.

On Thu, Apr 19, 2007 at 04:24:59PM -0700, Andrew Morton wrote:
> On Thu, 19 Apr 2007 01:58:51 -0600
> "Eric W. Biederman" <ebiederm@...ssion.com> wrote:
> 
> > From: Eric W. Biederman <ebiederm@...ssion.com>
> > 
> > This patch starts kbenpd using kthread_run replacing
> > a combination of kernel_thread and daemonize.  Making
> > the code a little simpler and more maintainable.
> > 
> >
> 
> 	while (!atomic_read(&s->killed)) {
> 
> ho hum.

Note that this also stands against a full kthread conversion.
Marcel put my old patches for a full kthread conversion in, but
they didn't deal properly with some of the premaure exit cases,
and causes OOPSes.

I don't remember what the problems where, but the case of a thread
terminating earlier and possibly asynchronously is one of the
cases we'll probably have to add to the kthread infrastructure
before all uses of kernel_thread in drivers can be converted.

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