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xen/x86: Don't try to set PCE bit in CR4
authorBoris Ostrovsky <boris.ostrovsky@oracle.com>
Mon, 10 Aug 2015 20:34:38 +0000 (16:34 -0400)
committerDavid Vrabel <david.vrabel@citrix.com>
Thu, 20 Aug 2015 11:25:26 +0000 (12:25 +0100)
commit3375d8284dfb7866f261ec008d15d30999ff273b
tree4d6eb86609d8fc42a32b4edaf6456b0d0470f3e6tree
parentbf6dfb154d935725c9a2005033ca33017b9df439commit | diff
xen/x86: Don't try to set PCE bit in CR4

Since VPMU code emulates RDPMC instruction with RDMSR and because hypervisor
does not emulate it there is no reason to try setting CR4's PCE bit (and the
hypervisor will warn on seeing it set).

Signed-off-by: Boris Ostrovsky <boris.ostrovsky@oracle.com>
Signed-off-by: David Vrabel <david.vrabel@citrix.com>
arch/x86/xen/enlighten.c diff | blob | blame | history
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