linux-kernel - Re: [patch 00/34] idle: Consolidate idle implementations

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Message-ID: <20130329161905.GC6201@merkur.ravnborg.org>
Date:	Fri, 29 Mar 2013 17:19:05 +0100
From:	Sam Ravnborg <sam@...nborg.org>
To:	Thomas Gleixner <tglx@...utronix.de>
Cc:	LKML <linux-kernel@...r.kernel.org>, linux-arch@...r.kernel.org,
	Linus Torvalds <torvalds@...ux-foundation.org>,
	Andrew Morton <akpm@...ux-foundation.org>,
	Rusty Russell <rusty@...tcorp.com.au>,
	Paul McKenney <paulmck@...ux.vnet.ibm.com>,
	Ingo Molnar <mingo@...e.hu>,
	Peter Zijlstra <peterz@...radead.org>,
	"Srivatsa S. Bhat" <srivatsa.bhat@...ux.vnet.ibm.com>,
	Magnus Damm <magnus.damm@...il.com>
Subject: Re: [patch 00/34] idle: Consolidate idle implementations

On Thu, Mar 21, 2013 at 09:52:56PM -0000, Thomas Gleixner wrote:
> Each architecture implements its own cpu_idle() code, which is more or
> less the same on all architectures (plus/minus a few bugs and a few
> missing extra functionalities, instrumentation ...). That also forces
> everyone who is interested in idle related features to add new
> functionality to every architecture. What a waste.
> 
> Aside of that pointless code duplicaiton the ongoing quest to
> consolidate the cpu hotplug code needs a common entry point for the
> non boot cpus.
> 
> The following series implements a generic idle function and converts
> most architectures over. I left out SPARC (it involves sparc asm) and
> UM (it made me barf). If we can move those architectures as well, we
> can get rid of the extra config switch and have everything
> consolidated.
> 
> I spent a lot of time to make sure that the conversion preserved the
> non obvious differences of the architecture implementations, but I
> really need help from the affected maintainers to prove the
> correctness.

Hi Thomas.

Where can I find the git tree with the latest patches?
Or do you plan to submit a v2 soon?

	Sam
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