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hyperv: scanning locking is using the bus mtx

Authored by imp on Sep 5 2021, 3:35 AM.



The scanning code uses Giant to coordinate its accesses to newbus as
well as to synchronize a little state within hyperv's vmbus. Switch to
the new bus_topo_* functions instead of referring to Giant explicitly.

Sponsored by: Netflix

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imp requested review of this revision.Sep 5 2021, 3:35 AM
imp created this revision.

Looks good, but while at hyper-v I'd also do it for hv_pci_delete_device().

This revision is now accepted and ready to land.Nov 29 2021, 6:20 PM

Arguably, it is the strangest use of Giant from all code I ever see.

This revision was automatically updated to reflect the committed changes.