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[Xen-ia64-devel] psr.sp/is/di/si virtualization


  • To: Xen-ia64-devel <xen-ia64-devel@xxxxxxxxxxxxxxxxxxx>
  • From: Tristan Gingold <tgingold@xxxxxxx>
  • Date: Tue, 8 May 2007 15:38:38 +0200
  • Delivery-date: Tue, 08 May 2007 09:42:15 -0700
  • List-id: Discussion of the ia64 port of Xen <xen-ia64-devel.lists.xensource.com>

Hi,

these psr bits are not fully virtualized and the current usage is not
clear (at least to me):

sp (secure performance monitor): I don't know how it is currently used by
  xenoprofile.  Isaku have you any tips on it ?

di (disable instruction set transition): should it be hard-coded to 1 or
 should it be settable by the kernel ?

si (secure interval timer): should be forced to 0?

is (instruction set): same use as di.

mc (machine check): should be forced to 1?

vm: should be forced to 0.

Comments are welcome!
Tristan.

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