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Re: [Xen-devel] Missing CPU capabilities VMX


  • To: "Y. D." <duyuyang@xxxxxxxxx>, xen-devel <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Keir Fraser <keir.fraser@xxxxxxxxxxxxx>
  • Date: Mon, 24 Nov 2008 13:18:29 +0000
  • Cc:
  • Delivery-date: Mon, 24 Nov 2008 05:19:05 -0800
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: AclONyPyYqSaNroqEd268QAX8io7RQ==
  • Thread-topic: [Xen-devel] Missing CPU capabilities VMX

A lot of features are not usable by dom0 kernel and hence are hidden by Xen.

 -- keir

On 24/11/08 13:15, "Y. D." <duyuyang@xxxxxxxxx> wrote:

> Hi,
> 
> My Xeon CPU spports lots of capabilities, when I cat /proc/cpuinfo, the flags
> list: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36
> clflush dts acpi mmx fxsr sse sse2 ss ht tm pbe nx lm constant_tsc pni monitor
> ds_cpl vmx est tm2 ssse3 cx16 xtpr dca lahf_lm.
> 
> After a make world building of Xen-3.3.0, when I cat /proc/cpuinfo, the flags
> list only: fpu de tsc msr pae cx8 apic mtrr cmov pat clflush acpi mmx fxsr sse
> sse2 ss ht nx constant_tsc pni est.
> 
> I am only able to make world the dom0 kernel, as I don't know how to configure
> the kernel. Last time I make oldconfig, but it eventually failed.
> Can anyone help? I want to add at least the "vmx" CPU capability to dom0
> kernel.
> 
> Thanks,
> Shawn
> 
> 
> _______________________________________________
> Xen-devel mailing list
> Xen-devel@xxxxxxxxxxxxxxxxxxx
> http://lists.xensource.com/xen-devel



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