663428ea17
The use of Giant here is vestigal and does not provide any useful synchronization. Furthermore, non-MPSAFE callouts can cause the softclock threads to block waiting for long-running newbus operations to complete. Reported by: mav Reviewed by: bz MFC after: 1 week Sponsored by: The FreeBSD Foundation Differential Revision: https://reviews.freebsd.org/D31470