linux-kernel - Re: [patch 00/17] Text Edit Lock and Immediate Values for 2.6.25-rc8-mm1

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Message-Id: <20080410125210.231C.KOSAKI.MOTOHIRO@jp.fujitsu.com>
Date:	Thu, 10 Apr 2008 13:23:51 +0900
From:	KOSAKI Motohiro <kosaki.motohiro@...fujitsu.com>
To:	Mathieu Desnoyers <mathieu.desnoyers@...ymtl.ca>
Cc:	kosaki.motohiro@...fujitsu.com, akpm@...ux-foundation.org,
	Ingo Molnar <mingo@...e.hu>, linux-kernel@...r.kernel.org,
	Andi Kleen <andi@...stfloor.org>,
	Rusty Russell <rusty@...tcorp.com.au>
Subject: Re: [patch 00/17] Text Edit Lock and Immediate Values for 2.6.25-rc8-mm1

Hi Mathieu

> Here is the complete patchset required to get basic Immediate Values support
> ported to 2.6.25-rc8-mm1. It provides the "simple", non nmi-safe version of
> immediate values, which means that immediate values should not be used in code
> paths reachable by NMI or MCE handlers. This version also uses
> stop_machine_run() for immediate values updates, which is a very heavy lock.  In
> order to make incremental, easy to review, changes, I think we could start by
> this "simple" version as a first step before we switch to the nmi-safe version
> later.

I think this patch is marker performance improvement infrastructure, right?
if so, I will help debug and testing.

at least, I like this patch series :)



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