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xen/intr: arm64: implement Xen event balancing
Needs ReviewPublic

Authored by ehem_freebsd_m5p.com on Aug 26 2021, 4:29 AM.

Details

Summary

This distributes the event channels among processors instead of placing
all of them on vCPU#0. Normal interrupt sources are balanced once, at
the end of the boot process. Since new event channels can be created
any time, they need to be dynamically balanced.

Diff Detail

Repository
rS FreeBSD src repository - subversion
Lint
Lint OK
Unit
No Unit Test Coverage
Build Status
Buildable 41224
Build 38113: arc lint + arc unit