[Xen-devel] [PATCH] use the right error code when testing for spurious pagefaults

[Tim Deegan <Tim.Deegan@xxxxxxxxxx>]

Shadowed PV domains may take pagefaults with PFEC_reserved_bit bit set, 
which are then turned into page-not-present faults by the shadow code.
Since that changes the error code in the regs structure, we need to 
remember the old error code when we later check for spurious page faults
or we'll get false positives. 

Signed-off-by: Tim Deegan <Tim.Deegan@xxxxxxxxxx>

Attachment: errorcode
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