linux-kernel - Re: [PATCH] [12/20] x86: Use a per cpu timer for correctable machine check checking

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Message-ID: <20080103104956.GE29194@elte.hu>
Date:	Thu, 3 Jan 2008 11:49:56 +0100
From:	Ingo Molnar <mingo@...e.hu>
To:	Andi Kleen <ak@...e.de>
Cc:	linux-kernel@...r.kernel.org, Thomas Gleixner <tglx@...utronix.de>,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH] [12/20] x86: Use a per cpu timer for correctable
	machine check checking


* Andi Kleen <ak@...e.de> wrote:

> Previously the code used a single timer that then used 
> smp_call_function to interrupt all CPUs while the original CPU was 
> waiting for them.
> 
> But it is better / more real time and more power friendly to simply 
> run individual timers on each CPU so they all do this independently.
> 
> This way no single CPU has to wait for all others.

i think we should unify this code first and provide it on 32-bit as 
well.

	Ingo
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