locking-urgent-2020-11-01

 - Fix incorrect failure injection handling on the fuxtex code

 - Prevent a preemption warning in lockdep when tracking local_irq_enable()
   and interrupts are already enabled

 - Remove more raw_cpu_read() usage from lockdep which causes state
   corruption on !X86 architectures.

 - Make the nr_unused_locks accounting in lockdep correct again.