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Date: Sun, 3 Nov 2013 19:14:28 +0100
From: Andreas Werner <wernerandy@gmx.de>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: tglx@linutronix.de, mingo@redhat.com, x86@kernel.org,
        linux-kernel@vger.kernel.org, bp@alien8.de
Subject: Re: [PATCH v2] X86: MM: Add PAT Type write-through in combination
 with mtrr
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On Sun, Nov 03, 2013 at 09:44:46AM -0800, H. Peter Anvin wrote:
> On 11/03/2013 04:02 AM, Andreas Werner wrote:
> > 
> > Since marking IO Memory as cachable is not valid, WT is the
> > best way for caching/bursting on MMIO Devices.
> > 
> 
> Uh... WT *is* cachable...
> 
> 	-hpa
> 
> 

Sorry my mistake, i mean "marking IO Memory as WB is not valid"

regards 
Andy