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Date: Wed, 11 Dec 2013 15:56:55 +0100
From: Ingo Molnar <mingo@kernel.org>
To: Borislav Petkov <bp@alien8.de>
Cc: Peter Zijlstra <peterz@infradead.org>,
        Mike Galbraith <bitbucket@online.de>,
        Thomas Gleixner <tglx@linutronix.de>, Len Brown <lenb@kernel.org>,
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        "linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
        Jeremy Eder <jeder@redhat.com>, x86@kernel.org
Subject: Re: 50 Watt idle power regression bisected to Linux-3.10
Message-ID: <20131211145655.GB4510@gmail.com>
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* Borislav Petkov <bp@alien8.de> wrote:

> On Wed, Dec 11, 2013 at 01:43:52PM +0100, Peter Zijlstra wrote:
> > Something like the below.. someone needs to double check and possibly
> > add SNB/IVB EX parts if they're already available.
> 
> Right, our friends at Intel would need to tell us which families/models
> does AAI65 span... if, this is actually the case.

I think CLFLUSH should be pretty universally available, IIRC graphics 
drivers were using it rather heavily in combination with 
write-combining MTRRs, both on Linux and on Windows.

Thanks,

	Ingo