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[Xen-devel] No noht?

  • To: "Xen-Devel (E-mail)" <xen-devel@xxxxxxxxxxxxxxxxxxx>
  • From: "Dan Magenheimer" <dan.magenheimer@xxxxxxxxxx>
  • Date: Mon, 21 Apr 2008 15:42:59 -0600
  • Delivery-date: Mon, 21 Apr 2008 14:43:55 -0700
  • List-id: Xen developer discussion <xen-devel.lists.xensource.com>
  • Thread-index: Acij+KmFm2bsa32+ReqGw6vyqLUYUA==

Am I correct in reading the code that there is no "noht"
(turn off hyperthreading) option in Xen (except in powerpc)?
This was a surprise to me as I've seen it documented in
various places and I recently suggested it as a diagnostic
to a customer.

If Xen could save time in a bottle / then clocks wouldn't virtually skew /
It would save every tick / for VMs that aren't quick /
and Xen then would send them anew
(with apologies to the late great Jim Croce)
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