linux-kernel - Re: [PATCH 2/2] rename thread

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Message-ID: <Pine.LNX.4.64.0705031234000.1479@scrub.home>
Date:	Thu, 3 May 2007 12:52:32 +0200 (CEST)
From:	Roman Zippel <zippel@...ux-m68k.org>
To:	Andrew Morton <akpm@...ux-foundation.org>
cc:	Linus Torvalds <torvalds@...ux-foundation.org>,
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 2/2] rename thread_info to stack

Hi,

On Wed, 2 May 2007, Andrew Morton wrote:

> On Tue, 1 May 2007 02:10:34 +0200 (CEST) Roman Zippel <zippel@...ux-m68k.org> wrote:
> 
> > This finally renames the thread_info field in task structure to stack,
> > so that the assumptions about this field are gone and archs have more
> > freedom about placing the thread_info structure.
> 
> It's been a year or so and I've forgotten what the actual point to these
> changes is.  Can we be reminded please?

Nonbroken archs which have a proper thread pointer can do the access to 
both current thread and task structure via a single pointer.
It'll allow for a few more cleanups of the fork code, from which e.g. ia64 
could benefit.

bye, Roman
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