linux-kernel - Re: [PATCH? 3/3] move daemonized kernel threads into the swapper's session

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Message-ID: <m1ve7on74h.fsf@ebiederm.dsl.xmission.com>
Date:	Mon, 26 Nov 2007 12:23:26 -0700
From:	ebiederm@...ssion.com (Eric W. Biederman)
To:	Oleg Nesterov <oleg@...sign.ru>
Cc:	Andrew Morton <akpm@...ux-foundation.org>,
	Pavel Emelyanov <xemul@...nvz.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH? 3/3] move daemonized kernel threads into the swapper's session

ebiederm@...ssion.com (Eric W. Biederman) writes:


> Hmm.  I wonder if we could ensure kernel_thread always
> returns a global pid_t, and then reallocate the struct
> pid for the task we have just daemonized so that it only
> has a single pid in the init_pid_ns.

Well we can't reallocate the struct pid, if anyone was using
it we would have problems, but we can certainly remove all
pid_t values except for those in the init_pid_ns.

We definitely have some serious issues with kernel_thread
and signal sending though.

Eric

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