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Re: [PATCH][2.6-mm] Fix 4G/4G X11/vm86 oops

To: Zwane Mwaikambo <zwane@arm.linux.org.uk>
Subject: Re: [PATCH][2.6-mm] Fix 4G/4G X11/vm86 oops
From: Linus Torvalds <torvalds@osdl.org>
Date: Mon, 17 Nov 2003 14:42:58 -0800 (PST)
cc: Ingo Molnar <mingo@elte.hu>,"Martin J. Bligh" <mbligh@aracnet.com>,Andrew Morton <akpm@osdl.org>,Linux Kernel <linux-kernel@vger.kernel.org>,<linux-mm@kvack.org>, Hugh Dickins <hugh@veritas.com>
Fake-Sender: owner-linux-mm@kvack.org
In-Reply-To: <Pine.LNX.4.53.0311171639260.30079@montezuma.fsmlabs.com>
Original-Recipient: rfc822;linux-mm-archive@humbolt.geo.uu.nl
Sender: Rik van Riel <riel@nl.linux.org>

On Mon, 17 Nov 2003, Zwane Mwaikambo wrote:
> 
> I've managed to `fix` the triple fault (see further below for the patch 
> in all it's glory).

What's the generated assembly language for this function with and without 
the "fix"?

If adding that printk fixes a triple fault, the issue is not likely to be 
the printk itself as much as the difference in code that the compiler 
generates - stack frame, memory re-ordering etc...

		Linus

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Follow-Ups:
- Re: [PATCH][2.6-mm] Fix 4G/4G X11/vm86 oops
  - From: Zwane Mwaikambo <zwane@arm.linux.org.uk>

References:
- Re: [PATCH][2.6-mm] Fix 4G/4G X11/vm86 oops
  - From: Zwane Mwaikambo <zwane@arm.linux.org.uk>

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