25 	unsigned int old, new, val;  in ia64_acpi_acquire_global_lock()  local
27 		old = *lock;  in ia64_acpi_acquire_global_lock()
28 		new = (((old & ~0x3) + 2) + ((old >> 1) & 0x1));  in ia64_acpi_acquire_global_lock()
29 		val = ia64_cmpxchg4_acq(lock, new, old);  in ia64_acpi_acquire_global_lock()
30 	} while (unlikely (val != old));  in ia64_acpi_acquire_global_lock()
37 	unsigned int old, new, val;  in ia64_acpi_release_global_lock()  local
39 		old = *lock;  in ia64_acpi_release_global_lock()
40 		new = old & ~0x3;  in ia64_acpi_release_global_lock()
41 		val = ia64_cmpxchg4_acq(lock, new, old);  in ia64_acpi_release_global_lock()
42 	} while (unlikely (val != old));  in ia64_acpi_release_global_lock()
43 	return old & 0x1;  in ia64_acpi_release_global_lock()