From: Jeremy Fitzhardinge <jeremy@xensource.com>
To: "H. Peter Anvin" <hpa@zytor.com>
Cc: Chris Wright <chrisw@sous-sol.org>,
Virtualization Mailing List <virtualization@lists.osdl.org>
Subject: Re: New CPUID/MSR driver; virtualization hooks
Date: Thu, 05 Apr 2007 15:19:39 -0700 [thread overview]
Message-ID: <461575FB.9080508@xensource.com> (raw)
In-Reply-To: <46157146.1090406@zytor.com>
H. Peter Anvin wrote:
> Yes, pretty much. There are enough evidence that you can't trust CPU
> architecture to stay sane. Inside Transmeta it was a constant battle,
> and we were a small company.
>
Is there any indication that the msr or cpuid instructions will change
in this way? rd/wrmsr is pretty explicitly documented as taking the msr
in %ecx, and the value in %edx:eax; do you think that will change? And
likewise cpuid?
J
next prev parent reply other threads:[~2007-04-05 22:19 UTC|newest]
Thread overview: 20+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-04-05 0:50 New CPUID/MSR driver; virtualization hooks H. Peter Anvin
2007-04-05 1:16 ` Chris Wright
2007-04-05 1:23 ` H. Peter Anvin
2007-04-05 5:17 ` Zachary Amsden
2007-04-05 18:03 ` H. Peter Anvin
2007-04-05 21:09 ` Zachary Amsden
2007-04-05 21:09 ` H. Peter Anvin
2007-04-05 21:25 ` Zachary Amsden
2007-04-05 21:17 ` H. Peter Anvin
2007-04-05 21:27 ` Zachary Amsden
2007-04-05 21:40 ` H. Peter Anvin
2007-04-05 21:43 ` Jeremy Fitzhardinge
2007-04-05 21:43 ` Zachary Amsden
2007-04-05 21:49 ` Jeremy Fitzhardinge
2007-04-05 21:59 ` H. Peter Anvin
2007-04-05 22:19 ` Jeremy Fitzhardinge [this message]
2007-04-05 22:31 ` H. Peter Anvin
2007-04-05 21:54 ` Chris Wright
2007-04-05 1:48 ` Tony Breeds
2007-04-05 5:00 ` Zachary Amsden
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