nitize use of orig_gpr11
  openrisc: fix virt_addr_valid
  OpenRISC: Export dump_stack()
  OpenRISC: Select GENERIC_ATOMIC64
  openrisc: Set shortest clock event to 100 ticks
  openrisc: included linux/thread_info.h twice
  OpenRISC: Use set_current_blocked() and block_sigmask()
  OpenRISC: Don't mask signals if we fail to setup signal stack
  OpenRISC: No need to reset handler if SA_ONESHOT
  OpenRISC: Don't reimplement force_sigsegv()
  openrisc: enable passing of flattened device tree pointer
  arch/openrisc/mm/init.c: trivial: use BUG_ON
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