-ACPI_EXTERN struct acpi_mutex_info acpi_gbl_mutex_info[ACPI_NUM_MUTEX];
-
-/*
- * Global lock semaphore works in conjunction with the actual HW global lock
- */
-ACPI_EXTERN acpi_semaphore acpi_gbl_global_lock_semaphore;
-
-/*
- * Spinlocks are used for interfaces that can be possibly called at
- * interrupt level
- */
-ACPI_EXTERN spinlock_t _acpi_gbl_gpe_lock; /* For GPE data structs and registers */
-ACPI_EXTERN spinlock_t _acpi_gbl_hardware_lock; /* For ACPI H/W except GPE registers */
-#define acpi_gbl_gpe_lock &_acpi_gbl_gpe_lock
-#define acpi_gbl_hardware_lock &_acpi_gbl_hardware_lock