From: "H. Peter Anvin" <hpa@zytor.com>
To: linux-kernel@vger.kernel.org
Subject: Re: [PATCH] task_struct colouring ...
Date: 30 Nov 2001 15:37:48 -0800 [thread overview]
Message-ID: <9u958c$ets$1@cesium.transmeta.com> (raw)
In-Reply-To: <Pine.LNX.4.40.0111301326160.1600-100000@blue1.dev.mcafeelabs.com> <E169wL1-00052x-00@the-village.bc.nu>
Followup to: <E169wL1-00052x-00@the-village.bc.nu>
By author: Alan Cox <alan@lxorguk.ukuu.org.uk>
In newsgroup: linux.dev.kernel
>
> > Looking at both the Manfred and Fujitsu patches I propose this new version
> > for task struct colouring.
> > The patch from Manfred is too architecture dependent ( cr2 ) and storing
> > extra stuff in CPU registers is not IMHO a good idea.
>
> Well the whole "current" handling is entirely architecture dependant anyway.
> On most saner platforms current is a global register variable (the wonders
> of gcc) and the whole problem simply isnt there
>
Using %cr2 was pretty broken, but I liked the patch using %tr.
-hpa
--
<hpa@transmeta.com> at work, <hpa@zytor.com> in private!
"Unix gives you enough rope to shoot yourself in the foot."
http://www.zytor.com/~hpa/puzzle.txt <amsp@zytor.com>
next prev parent reply other threads:[~2001-11-30 23:38 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-11-30 21:47 [PATCH] task_struct colouring Davide Libenzi
2001-11-30 22:40 ` Alan Cox
2001-11-30 23:37 ` H. Peter Anvin [this message]
2001-11-30 23:53 ` Davide Libenzi
2001-11-30 23:57 ` Alan Cox
2001-12-01 0:33 ` Davide Libenzi
2001-12-01 1:05 ` H. Peter Anvin
2001-12-01 1:30 ` Davide Libenzi
2001-12-01 1:24 ` H. Peter Anvin
2001-12-01 1:41 ` Davide Libenzi
2001-12-01 1:36 ` H. Peter Anvin
2001-12-01 9:58 ` Alan Cox
2001-12-01 9:49 ` Alan Cox
2001-12-01 23:37 ` Davide Libenzi
2001-12-01 23:50 ` kumon
2001-12-02 0:11 ` Davide Libenzi
2001-12-02 16:39 ` Alan Cox
2001-12-02 0:02 ` [MOc]cda*mirabilos
2001-12-02 0:56 ` Davide Libenzi
2001-12-02 15:06 ` [MOc]cda*mirabilos
2001-12-02 19:49 ` Davide Libenzi
2001-12-02 19:50 ` Thorsten Glaser
-- strict thread matches above, loose matches on Subject: below --
2001-12-01 10:17 Manfred Spraul
2001-12-01 21:49 ` Davide Libenzi
2001-12-01 22:04 ` H. Peter Anvin
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