[Xen-devel] [PATCH v4 0/3] x86/hvm: HVMOP_get/set_param improvements

[Paul Durrant <paul.durrant@xxxxxxxxxx>]

The following 3 patches re-structure the code implementing HVMOP_set_param
and HVMOP_get_param.

Patch #1 gives each operation its own function

Patch #2 splits out checks for getting/setting non-reflexive params and
setting params with change-once semantics, as well as the XSM check into
separate functions

Patch #3 swaps from black-lists to white-lists for guest accessible
params

v4:
 - Remove HVM_PARAM_TRIPLE_FAULT_REASON from the params accessible by
   guests.

v3:
 - Fix more style issues
 - Maintain comments concerning strictly non-reflexive params
 - Add missing non-reflexive checks to hvm_allow_get_param()

v2:
 - Fix style issues during code movement in patch #2.
 - End up with white-lists rather than black-lists for guest accessible
   params.
 - Re-work comments on patch #2 slightly.

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