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DateSat, 26 Apr 2008 13:13:07 +0200
FromIngo Molnar <>
SubjectRe: [PATCH v2] x86 mmiotrace: dynamically disable non-boot CPUs
* Pekka Paalanen <pq@iki.fi> wrote:

> From 8979ee55cb6a429c4edd72ebec2244b849f6a79a Mon Sep 17 00:00:00 2001
> From: Pekka Paalanen <pq@iki.fi>
> Date: Sat, 12 Apr 2008 00:18:57 +0300
> Subject: [PATCH] x86 mmiotrace: dynamically disable non-boot CPUs
> 
> Mmiotrace is not reliable with multiple CPUs and may miss events. Drop 
> to single CPU when mmiotrace is activated.
> 
> Signed-off-by: Pekka Paalanen <pq@iki.fi>
> ---
> 
> I've tested this patch on my Core 2 Duo laptop, and with "[PATCH v2] 
> Check for breakpoint in text_poke to eliminate bug_on" cpu hotplug 
> seems to work fine on a sched-devel/latest SMP kernel both with and 
> without CONFIG_HOTPLUG_CPU.

thanks Pekka, applied.

	Ingo


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