[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

[Xen-devel] fewer CPUID instructions is monitored/emulated in xen 4.0.1 than in xen 3.1.0?

To: xen-devel@xxxxxxxxxxxxxxxxxxx
From: "K.C. Lee" <kcl.joseph@xxxxxxxxx>
Date: Thu, 7 Oct 2010 17:42:47 +0800
Delivery-date: Thu, 07 Oct 2010 02:43:44 -0700
Domainkey-signature: a=rsa-sha1; c=nofws; d=gmail.com; s=gamma; h=mime-version:date:message-id:subject:from:to:content-type; b=FldL2s47WWFH13hMm4yB/3CxpEMnJcNZE0ZM0yUVhfpjuvYbSM7UGK6YHWEZrVSuJp srDRwkbjqBNal1bar3D2XEDrzG9DHY/VKuSDrRspGwkSyzsLnT0s2RM1VYUctbM3MscG 0KhQTvTujAmmLo5ICQRRbzLXaz49x3UjkQrtg=
List-id: Xen developer discussion <xen-devel.lists.xensource.com>

Hi,

In the function vmx_do_cpuid() of xen 4.0.1, it calls vmx_cpuid_intercept() which
deal with the case where eax is 0x80000001 only,
much less than the cases in vmx_do_cpuid() of xen 3.1.0.

Does that mean fewer instructions is monitored in xen 4.0.1? Why?

Thank you.

Sincerely,

K.C.

_______________________________________________
Xen-devel mailing list
Xen-devel@xxxxxxxxxxxxxxxxxxx
http://lists.xensource.com/xen-devel

Follow-Ups:
- Re: [Xen-devel] fewer CPUID instructions is monitored/emulated in xen 4.0.1 than in xen 3.1.0?
  - From: Keir Fraser

Prev by Date: Re: [Xen-devel] XenVGAPassthroughTestedAdapters up to date?
Next by Date: [Xen-devel] Xen dom0 crash: "d0:v0: unhandled page fault (ec=0000)"
Previous by thread: [Xen-devel] XenVGAPassthroughTestedAdapters up to date?
Next by thread: Re: [Xen-devel] fewer CPUID instructions is monitored/emulated in xen 4.0.1 than in xen 3.1.0?
Index(es):
- Date
- Thread

Lists.xenproject.org is hosted with RackSpace, monitoring our
servers 24x7x365 and backed by RackSpace's Fanatical Support®.