linux-kernel - Re: [accounting regression since rc1] scheduler updates

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Message-ID: <20070821070922.GA16695@elte.hu>
Date:	Tue, 21 Aug 2007 09:09:22 +0200
From:	Ingo Molnar <mingo@...e.hu>
To:	Andi Kleen <andi@...stfloor.org>
Cc:	Martin Schwidefsky <schwidefsky@...ibm.com>,
	Christian Borntraeger <borntraeger@...ibm.com>,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	linux-kernel@...r.kernel.org,
	Jan Glauber <jang@...ux.vnet.ibm.com>,
	heiko.carstens@...ibm.com, Paul Mackerras <paulus@...ba.org>
Subject: Re: [accounting regression since rc1]  scheduler updates


* Andi Kleen <andi@...stfloor.org> wrote:

> You should just be using idle notifiers instead instead of adding more 
> and more custom hooks (like NOHZ has already) x86-64 still has them 
> and there is a old patch around to add them to i386.

these are specially placed callbacks that we want to call from certain 
ACPI codepaths but not from all of them.

	Ingo
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