AP startup on PVH follows the PV method, so we need to add a hook in
order to diverge from bare metal.
Approved by: gibbs
Sponsored by: Citrix Systems R&D
amd64/amd64/machdep.c:
- Add hook for start_all_aps on native (using native_start_all_aps
defined in mp_machdep).
amd64/amd64/mp_machdep.c:
- Make some variables global because they will also be used by the
Xen PVH AP startup code.
- Use the start_all_aps hook to start APs.
- Rename start_all_aps to native_start_all_aps.
amd64/include/smp.h:
- Add declaration for native_start_all_aps.
x86/include/init.h:
- Declare start_all_aps hook in init_ops.
x86/xen/pv.c:
- Pick external declarations from mp_machdep.
- Introduce Xen PV code to start APs on PVH.
- Set start_all_aps init hook to use the Xen PVH implementation.
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