From: David Hopwood <david.nospam.hopwood@blueyonder.co.uk>
To: xen-devel@lists.xensource.com
Subject: Re: understanding __linear_l2_table and friends
Date: Mon, 25 Apr 2005 01:41:09 +0100 [thread overview]
Message-ID: <426C3CA5.8000804@blueyonder.co.uk> (raw)
In-Reply-To: <20050424195522.GA13295@bytesex>
Gerd Knorr wrote:
> On Sat, Apr 23, 2005 at 05:28:26PM +0200, Andi Kleen wrote:
>
>>If you bought them in the last year you very likely already got them 64bit
>>capable.
>
> That the machines are 64bit capable doesn't mean that people will
> actually run 64bit software on them. Note that the very good backward
> compatibility of x86_64 machines to 32bit software is one of the key
> features leading to the success of the processors (lesson learned from
> ia64 ;)
What does that have to do with PAE support in Xen? x86_64 machines
do not support PAE, and do not need it to run 32-bit applications.
(A good decision by AMD, IMHO. The complexity of supporting PAE along with
all the other mode combinations would have been ridiculous.)
--
David Hopwood <david.nospam.hopwood@blueyonder.co.uk>
next prev parent reply other threads:[~2005-04-25 0:41 UTC|newest]
Thread overview: 24+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-21 13:51 understanding __linear_l2_table and friends Ian Pratt
2005-04-21 19:42 ` Gerd Knorr
2005-04-22 11:04 ` Andi Kleen
2005-04-22 20:47 ` Kip Macy
2005-04-23 15:08 ` Andi Kleen
2005-04-23 15:13 ` Wim Coekaerts
2005-04-23 15:28 ` Andi Kleen
2005-04-24 19:55 ` Gerd Knorr
2005-04-25 0:41 ` David Hopwood [this message]
2005-04-25 0:46 ` Mark Williamson
2005-04-25 2:53 ` David Hopwood
2005-04-23 15:20 ` understanding __linear_l2_table and friends II Andi Kleen
-- strict thread matches above, loose matches on Subject: below --
2005-04-21 21:13 understanding __linear_l2_table and friends Ian Pratt
2005-04-20 20:27 Ian Pratt
2005-04-20 21:38 ` Gerd Knorr
2005-04-20 22:10 ` Ian Pratt
2005-04-20 18:53 Ian Pratt
2005-04-20 19:14 ` Gerd Knorr
2005-04-20 16:25 Ian Pratt
2005-04-20 16:31 ` Keir Fraser
2005-04-19 23:03 Scott Parish
2005-04-20 10:05 ` Keir Fraser
2005-04-20 16:06 ` Gerd Knorr
2005-04-20 19:46 ` Scott Parish
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