linux-kernel - Re: [PATCH 1/7] use smp_call_function_single() in arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c

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Date:	Mon, 13 Apr 2009 05:40:58 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Dave Jones <davej@...hat.com>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Ingo Molnar <mingo@...hat.com>, linux-kernel@...r.kernel.org,
	Mike Galbraith <efault@....de>,
	Venkatesh Pallipadi <venkatesh.pallipadi@...el.com>,
	Len Brown <len.brown@...el.com>,
	Zhao Yakui <yakui.zhao@...el.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Andrew Morton <akpm@...ux-foundation.org>
Subject: Re: [PATCH 1/7] use smp_call_function_single() in
	arch/x86/kernel/cpu/cpufreq/acpi-cpufreq.c


* Dave Jones <davej@...hat.com> wrote:

> On Mon, Apr 13, 2009 at 09:30:02AM +0930, Rusty Russell wrote:
>  > From: Andrew Morton <akpm@...ux-foundation.org>
>  > 
>  > Impact: fix sysbench(oltp)+mysql 10% regression with 2.6.30-rc1
>  > 
> 
> This, and the other cpufreq related patches in this series look 
> sound to me. Given the other non-cpufreq bits in the series, do 
> you want to just have these go through Andrew and onto Linus?

the other x86 bits look good to me too. It would be best to do this 
via -mm because the regression was introduced from there too so the 
'lets do a revert and these patches in the next cycle' versus 'lets 
do these fixes right now' decision should be driven from there too.

Thanks,

	Ingo
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