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Date: Mon, 19 Aug 2002 20:36:24 +0200 (CEST)
From: Ingo Molnar <mingo@elte.hu>
Reply-To: Ingo Molnar <mingo@elte.hu>
To: Dave McCracken <dmccr@us.ibm.com>
Cc: Linus Torvalds <torvalds@transmeta.com>, <linux-kernel@vger.kernel.org>
Subject: Re: [patch] O(1) sys_exit(), threading, scalable-exit-2.5.31-A6
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On Mon, 19 Aug 2002, Dave McCracken wrote:

> It seems to me it would be worth adding list_heads in the task struct
> for ptraced tasks and ptraced siblings if it gets rid of the
> reparenting.

well, this means that we'd still have to iterate through both lists in
wait4(), and we'd have to maintain the ptrace list(s) in all the relevant
codepaths - does this buy us anything relative to -B4?

	Ingo

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