linux-kernel - Re: [PATCH v2] X86: MM: Add PAT Type write-through in combination with mtrr

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <20131103181427.GA1346@thinkpad.fritz.box>
Date:	Sun, 3 Nov 2013 19:14:28 +0100
From:	Andreas Werner <wernerandy@....de>
To:	"H. Peter Anvin" <hpa@...or.com>
Cc:	tglx@...utronix.de, mingo@...hat.com, x86@...nel.org,
	linux-kernel@...r.kernel.org, bp@...en8.de
Subject: Re: [PATCH v2] X86: MM: Add PAT Type write-through in combination
 with mtrr

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
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@...r.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html
Please read the FAQ at  http://www.tux.org/lkml/