linux-kernel - Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree

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Message-ID: <20070306222157.GJ22829@bingen.suse.de>
Date:	Tue, 6 Mar 2007 23:21:58 +0100
From:	Andi Kleen <ak@...e.de>
To:	Dan Hecht <dhecht@...are.com>
Cc:	tglx@...utronix.de, Zachary Amsden <zach@...are.com>,
	Ingo Molnar <mingo@...e.hu>, akpm@...ux-foundation.org,
	ak@...e.de,
	Virtualization Mailing List <virtualization@...ts.osdl.org>,
	Jeremy Fitzhardinge <jeremy@...p.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	LKML <linux-kernel@...r.kernel.org>,
	john stultz <johnstul@...ibm.com>
Subject: Re: + stupid-hack-to-make-mainline-build.patch added to -mm tree

> I believe this was just a quick fix in response to Ingo breaking the VMI 
> build yesterday by disabling NO_IDLE_HZ on us.  There is no technical 
> reason why NO_IDLE_HZ=y can't coexist with NO_HZ.

Well it's nasty that you force NO_IDLE_HZ on all of paravirt ops users.
I think the right solution is to make VMI depend on (not select) NO_IDLE_HZ
until you can fix your code to work with dynticks properly.

-Andi
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