From: "H. Peter Anvin" <hpa@zytor.com>
To: Andreas Werner <wernerandy@gmx.de>, tglx@linutronix.de
Cc: 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
Date: Sun, 03 Nov 2013 09:44:46 -0800 [thread overview]
Message-ID: <52768B8E.1060902@zytor.com> (raw)
In-Reply-To: <1383480142-5665-1-git-send-email-wernerandy@gmx.de>
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
next prev parent reply other threads:[~2013-11-03 17:47 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-11-03 12:02 [PATCH v2] X86: MM: Add PAT Type write-through in combination with mtrr Andreas Werner
2013-11-03 17:44 ` H. Peter Anvin [this message]
2013-11-03 18:14 ` Andreas Werner
2013-11-19 2:24 ` H. Peter Anvin
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