[Xen-devel] Don't BUG when exitcode==-1.

["Petersson, Mats" <Mats.Petersson@xxxxxxx>]

I had a bit of a problem getting PAE to work, and it made me see a
exitcode == -1 from the VMRUN instruction. This caused the hypervisor to
reboot, which I didn't think was a particularly good way to deal with an
errant guest - the fault in my case was malformed PDPE's. 

The attached patch removes the BUG(), leaving the
domain_crash_synchronous there, and adding a dump of the VMCB to aid
debugging (although this doesn't actually help much when the PDPE's are
wrong...)

Applies to 10520. 

Please apply. 

Signed off by: Mats Petersson (mats.petersson@xxxxxxx)

--
Mats

patch.exit-1
Description: patch.exit-1

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