1 /* SPDX-License-Identifier: GPL-2.0 */
13 	return READ_ONCE(current_thread_info()->preempt.count);  in preempt_count()
16 static inline void preempt_count_set(u64 pc)  in preempt_count_set()  argument
19 	WRITE_ONCE(current_thread_info()->preempt.count, pc);  in preempt_count_set()
23 	task_thread_info(p)->preempt_count = FORK_PREEMPT_COUNT; \
27 	task_thread_info(p)->preempt_count = PREEMPT_DISABLED; \
32 	current_thread_info()->preempt.need_resched = 0;  in set_preempt_need_resched()
37 	current_thread_info()->preempt.need_resched = 1;  in clear_preempt_need_resched()
42 	return !current_thread_info()->preempt.need_resched;  in test_preempt_need_resched()
47 	u32 pc = READ_ONCE(current_thread_info()->preempt.count);  in __preempt_count_add()  local
48 	pc += val;  in __preempt_count_add()
49 	WRITE_ONCE(current_thread_info()->preempt.count, pc);  in __preempt_count_add()
54 	u32 pc = READ_ONCE(current_thread_info()->preempt.count);  in __preempt_count_sub()  local
55 	pc -= val;  in __preempt_count_sub()
56 	WRITE_ONCE(current_thread_info()->preempt.count, pc);  in __preempt_count_sub()
62 	u64 pc = READ_ONCE(ti->preempt_count);  in __preempt_count_dec_and_test()  local
65 	WRITE_ONCE(ti->preempt.count, --pc);  in __preempt_count_dec_and_test()
71 	 * interrupt occurring between the non-atomic READ_ONCE/WRITE_ONCE  in __preempt_count_dec_and_test()
74 	return !pc || !READ_ONCE(ti->preempt_count);  in __preempt_count_dec_and_test()
79 	u64 pc = READ_ONCE(current_thread_info()->preempt_count);  in should_resched()  local
80 	return pc == preempt_offset;  in should_resched()