Merge tag 'sched_ext-for-6.12-rc5-fixes' of...

Merge tag 'sched_ext-for-6.12-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext

Pull sched_ext fixes from Tejun Heo:

 - Instances of scx_ops_bypass() could race each other leading to
   misbehavior. Fix by protecting the operation with a spinlock.

 - selftest and userspace header fixes

* tag 'sched_ext-for-6.12-rc5-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/sched_ext:
  sched_ext: Fix enq_last_no_enq_fails selftest
  sched_ext: Make cast_mask() inline
  scx: Fix raciness in scx_ops_bypass()
  scx: Fix exit selftest to use custom DSQ
  sched_ext: Fix function pointer type mismatches in BPF selftests
  selftests/sched_ext: add order-only dependency of runner.o on BPFOBJ