From: "Jan Beulich" <jbeulich@novell.com>
To: "Andi Kleen" <ak@suse.de>
Cc: "Andreas Herrmann" <andreas.herrmann3@amd.com>,
"Suresh B Siddha" <suresh.b.siddha@intel.com>,
"Richard Gooch" <rgooch@safe-mbox.com>,
<linux-kernel@vger.kernel.org>, <discuss@x86-64.org>
Subject: Re: [discuss] [patch] mtrr: fix issues with large addresses
Date: Tue, 06 Feb 2007 09:31:45 +0000 [thread overview]
Message-ID: <45C85911.76E4.0078.0@novell.com> (raw)
In-Reply-To: <200702060853.30812.ak@suse.de>
>>> Andi Kleen <ak@suse.de> 06.02.07 08:53 >>>
>On Monday 05 February 2007 23:50, Siddha, Suresh B wrote:
>> On Mon, Feb 05, 2007 at 06:19:59PM +0100, Andreas Herrmann wrote:
>> > o added check to restrict base address to 36 bit on i386
>>
>> Why is this? It can go upto implemented physical bits, right?
>
>In theory it can, but Linux doesn't support it.
I don't think I remember a restriction here, at least not below 44 bits
(that's where pfn-s would need to become 64-bit wide).
Jan
next prev parent reply other threads:[~2007-02-06 9:30 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-02-05 17:19 [patch] mtrr: fix issues with large addresses Andreas Herrmann
2007-02-05 22:50 ` Siddha, Suresh B
2007-02-06 7:53 ` Andi Kleen
2007-02-06 9:31 ` Jan Beulich [this message]
2007-02-06 9:45 ` [discuss] " Andi Kleen
2007-02-06 9:53 ` Jan Beulich
2007-02-06 10:54 ` Andi Kleen
2007-02-06 16:25 ` Andreas Herrmann
2007-02-06 16:16 ` Andreas Herrmann
2007-02-06 0:26 ` Eric W. Biederman
2007-02-06 16:08 ` Andreas Herrmann
2007-02-06 17:54 ` Eric W. Biederman
2007-02-06 18:42 ` [discuss] " Andreas Herrmann
2007-02-06 19:08 ` Eric W. Biederman
2007-02-06 19:25 ` Joerg Roedel
2007-02-06 19:44 ` Eric W. Biederman
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