paravirt-spinlocks.c 657 B

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  1. /*
  2. * Split spinlock implementation out into its own file, so it can be
  3. * compiled in a FTRACE-compatible way.
  4. */
  5. #include <linux/spinlock.h>
  6. #include <linux/module.h>
  7. #include <asm/paravirt.h>
  8. static inline void
  9. default_spin_lock_flags(arch_spinlock_t *lock, unsigned long flags)
  10. {
  11. arch_spin_lock(lock);
  12. }
  13. struct pv_lock_ops pv_lock_ops = {
  14. #ifdef CONFIG_SMP
  15. .spin_is_locked = __ticket_spin_is_locked,
  16. .spin_is_contended = __ticket_spin_is_contended,
  17. .spin_lock = __ticket_spin_lock,
  18. .spin_lock_flags = default_spin_lock_flags,
  19. .spin_trylock = __ticket_spin_trylock,
  20. .spin_unlock = __ticket_spin_unlock,
  21. #endif
  22. };
  23. EXPORT_SYMBOL(pv_lock_ops);