linux-kernel - Re: [PATCH] - Mapping ACPI tables as CACHED

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: <4D084140.1070700@zytor.com>
Date:	Tue, 14 Dec 2010 20:17:04 -0800
From:	"H. Peter Anvin" <hpa@...or.com>
To:	Jack Steiner <steiner@....com>
CC:	lenb@...nel.org, hmh@....eng.br, tony.luck@...il.com,
	linux-acpi@...r.kernel.org, linux-kernel@...r.kernel.org,
	gbeshers@....com
Subject: Re: [PATCH] - Mapping ACPI tables as CACHED

On 12/14/2010 06:27 PM, Jack Steiner wrote:
> On Tue, Dec 14, 2010 at 02:58:42PM -0800, H. Peter Anvin wrote:
>> On 12/14/2010 02:09 PM, Jack Steiner wrote:
>>> Map ACPI tables as WB on x86_64. No substantive changes to IA64.
>>
>> Why just x86-64?
> 
> We never observed a performance problem on IA64. Not sure if it maps
> ACPI space as WB or not. Since I did not have easy access to
> an ia64, I chose not to make any changes to the way it maps
> the table.
> 

You're missing the point: x86-64 as opposed to x86 in general.

	-hpa

-- 
H. Peter Anvin, Intel Open Source Technology Center
I work for Intel.  I don't speak on their behalf.

--
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/