call it for different levels (L1 => L4).
Replace all calls to xpq_queue_pin_table(...) in MD code with these new
functions, with proper #ifdef'ing depending on $MACHINE.
Rationale:
- only one function to modify for logging
- pushes responsibility to caller for chosing the proper pin level, rather
than Xen internal functions; this makes the pin level explicit rather than
implicit.
Boot tested for dom0 i386/amd64, PAE included. No functional change intended.
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