linux-kernel - Re: [PATCH] x86: fix mmiotrace 8-bit register decoding

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Date:	Sat, 26 Jul 2008 17:55:57 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Pekka Paalanen <pq@....fi>
Cc:	Vegard Nossum <vegard.nossum@...il.com>,
	linux-kernel@...r.kernel.org, Steven Rostedt <srostedt@...hat.com>,
	proski@....org, Pekka Enberg <penberg@...helsinki.fi>
Subject: Re: [PATCH] x86: fix mmiotrace 8-bit register decoding


* Pekka Paalanen <pq@....fi> wrote:

> From 8321edde04244cc91470da5a7a71b79b704b0da1 Mon Sep 17 00:00:00 2001
> From: Pekka Paalanen <pq@....fi>
> Date: Mon, 21 Jul 2008 18:49:56 +0300
> Subject: [PATCH] x86: fix mmiotrace 8-bit register decoding
> 
> When SIL, DIL, BPL or SPL registers were used in MMIO, the datum
> was extracted from AH, BH, CH, or DH, which are incorrect.
> 
> Signed-off-by: Pekka Paalanen <pq@....fi>
> ---
> 
> This patch was cooked in Linus' tree because I couldn't get linux-next 
> to boot properly at the time. It applies cleanly to tip/master though. 
> Another problem I noticed is with non-page-aligned mappings, but 
> that's a different story.

applied to tip/tracing/mmiotrace - thanks Pekka!

	Ingo
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