linux-kernel - Re: [PATCH] powerpc pseries eeh: Convert to kthread API

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Message-ID: <20070424083737.GA26814@infradead.org>
Date:	Tue, 24 Apr 2007 09:37:37 +0100
From:	Christoph Hellwig <hch@...radead.org>
To:	Paul Mackerras <paulus@...ba.org>
Cc:	Christoph Hellwig <hch@...radead.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	"<Andrew Morton" <akpm@...l.org>, containers@...ts.osdl.org,
	Oleg Nesterov <oleg@...sign.ru>, linux-kernel@...r.kernel.org,
	linux-s390@...r.kernel.org, linuxppc-dev@...abs.org
Subject: Re: [PATCH] powerpc pseries eeh: Convert to kthread API

On Tue, Apr 24, 2007 at 03:55:06PM +1000, Paul Mackerras wrote:
> Christoph Hellwig writes:
> 
> > The first question is obviously, is this really something we want?
> > spawning kernel thread on demand without reaping them properly seems
> > quite dangerous.
> 
> What specifically has to be done to reap a kernel thread?  Are you
> concerned about the number of threads, or about having zombies hanging
> around?

I'm mostly concerned about number of threads and possible leakage of
threads.  Linas already explained it's not a problem in this case,
so it's covered.
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