FreeBSD-stable-15-amd64-build - Build #1604 - Fixed

FreeBSD-stable-15-amd64-build - Build #1604 (52fd2aabb7726521e81f620d98a4c8d8c5a784fe) - Fixed

Build information: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-build/1604/
Full change log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-build/1604/changes
Full build log: https://ci.FreeBSD.org/job/FreeBSD-stable-15-amd64-build/1604/console

Change summaries:
(Those commits are likely but not certainly responsible)

6f2f1f34784e05b4491f246c7348d1a1e1aa4cf8 by olce:
cred: Fix a race in the FreeBSD-14-compatible setgroups(2)

7817357c2601969c06d4ceb8dd292fcb051a2f80 by olce:
cred: freebsd14_setgroups(): Remove a now-unnecessary local variable

1cfafa761ec9e6d8bbb8562747caee71f9021ec0 by olce:
sched: New scheduler interface definition scheme

2065d90fb00e87b4f45623d0a1884f0bc1a2e01b by olce:
sched.h: Fix a typo and remove an extra line

1bdd2609b80a2f661a8f479e22b03fea94c8fcbb by olce:
sched.h: Include <sys/pcpu.h> unconditionally

b8cadc76350d57317abb50508323ea0d32b70dd8 by olce:
systm.h: Remove unused <sys/kpilite.h>

051de28eb9bbe542c6cec129787afb1dbe7cca63 by olce:
ObsoleteFiles.inc: <sys/kpilite.h> was removed

847ef7cee8aa2259aefdbb17146a444a34d1fe45 by olce:
sched_ule: tdq_runq_add(): Scope variables, delineate the different

7118fa2c90bb355a65a181fa3684672d87cc2c38 by olce:
sched_ule: tdq_notify(): Fix a typo in a comment

97313fef935d17cb6b16f773caff3beeb345c5bf by olce:
sched_ule: sched_affinity(): Delineate steps

f27e4afe6486b9bfd1733e8cbbd432eaef60ff76 by olce:
sched_ule: Use TDQ_CPU() macro instead of fiddling with DPCPU

c9e5bf3e6e39ecd301ca818e1fa43a976975d443 by olce:
sched: INVARIANTS: Check sched_preempt() is called on 'curthread'

d54cae6c5ad6b8096c2022bb6bcc57ab2acbd115 by olce:
x86: ipi_bitmap_handler(): Preempt last, reduce critical section

a6bcee2c76bc100b3c8fdd9485845b21cc01c13b by olce:
x86: ipi_bitmap_handler(): Account for IPIs correctly on COUNT_IPIS

52fd2aabb7726521e81f620d98a4c8d8c5a784fe by olce:
powerpc: powerpc_ipi_handler(): Stop first, preempt last