1 /* SPDX-License-Identifier: GPL-2.0 */
12 	return READ_ONCE(current_thread_info()->preempt.count);  in preempt_count()
15 static inline void preempt_count_set(u64 pc)  in preempt_count_set()  argument
18 	WRITE_ONCE(current_thread_info()->preempt.count, pc);  in preempt_count_set()
22 	task_thread_info(p)->preempt_count = FORK_PREEMPT_COUNT; \
26 	task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \
31 	current_thread_info()->preempt.need_resched = 0;  in set_preempt_need_resched()
36 	current_thread_info()->preempt.need_resched = 1;  in clear_preempt_need_resched()
41 	return !current_thread_info()->preempt.need_resched;  in test_preempt_need_resched()
46 	u32 pc = READ_ONCE(current_thread_info()->preempt.count);  in __preempt_count_add()  local
47 	pc += val;  in __preempt_count_add()
48 	WRITE_ONCE(current_thread_info()->preempt.count, pc);  in __preempt_count_add()
53 	u32 pc = READ_ONCE(current_thread_info()->preempt.count);  in __preempt_count_sub()  local
54 	pc -= val;  in __preempt_count_sub()
55 	WRITE_ONCE(current_thread_info()->preempt.count, pc);  in __preempt_count_sub()
61 	u64 pc = READ_ONCE(ti->preempt_count);  in __preempt_count_dec_and_test()  local
64 	WRITE_ONCE(ti->preempt.count, --pc);  in __preempt_count_dec_and_test()
70 	 * interrupt occurring between the non-atomic READ_ONCE/WRITE_ONCE  in __preempt_count_dec_and_test()
73 	return !pc || !READ_ONCE(ti->preempt_count);  in __preempt_count_dec_and_test()
78 	u64 pc = READ_ONCE(current_thread_info()->preempt_count);  in should_resched()  local
79 	return pc == preempt_offset;  in should_resched()