change otg to host mode

hc

2024-05-11 04dd17822334871b23ea2862f7798fb0e0007777

 kernel/arch/x86/include/asm/preempt.h
..
..
@@ -89,24 +89,9 @@
89
89
  * a decrement which hits zero means we have no preempt_count and should
90
90
  * reschedule.
91
91
  */
92
-static __always_inline bool ____preempt_count_dec_and_test(void)
93
-{
94
-	return GEN_UNARY_RMWcc("decl", __preempt_count, e, __percpu_arg([var]));
95
-}
96
-
97
92
 static __always_inline bool __preempt_count_dec_and_test(void)
98
93
 {
99
-	if (____preempt_count_dec_and_test())
100
-		return true;
101
-#ifdef CONFIG_PREEMPT_LAZY
102
-	if (preempt_count())
103
-		return false;
104
-	if (current_thread_info()->preempt_lazy_count)
105
-		return false;
106
-	return test_thread_flag(TIF_NEED_RESCHED_LAZY);
107
-#else
108
-	return false;
109
-#endif
94
+	return GEN_UNARY_RMWcc("decl", __preempt_count, e, __percpu_arg([var]));
110
95
 }
111
96
 
112
97
 /*
..
..
@@ -114,29 +99,10 @@
114
99
  */
115
100
 static __always_inline bool should_resched(int preempt_offset)
116
101
 {
117
-#ifdef CONFIG_PREEMPT_LAZY
118
-	u32 tmp;
119
-	tmp = raw_cpu_read_4(__preempt_count);
120
-	if (tmp == preempt_offset)
121
-		return true;
122
-
123
-	/* preempt count == 0 ? */
124
-	tmp &= ~PREEMPT_NEED_RESCHED;
125
-	if (tmp != preempt_offset)
126
-		return false;
127
-	/* XXX PREEMPT_LOCK_OFFSET */
128
-	if (current_thread_info()->preempt_lazy_count)
129
-		return false;
130
-	return test_thread_flag(TIF_NEED_RESCHED_LAZY);
131
-#else
132
102
 	return unlikely(raw_cpu_read_4(__preempt_count) == preempt_offset);
133
-#endif
134
103
 }
135
104
 
136
105
 #ifdef CONFIG_PREEMPTION
137
-#ifdef CONFIG_PREEMPT_RT
138
-  extern void preempt_schedule_lock(void);
139
-#endif
140
106
   extern asmlinkage void preempt_schedule_thunk(void);
141
107
 # define __preempt_schedule() \
142
108
 	asm volatile ("call preempt_schedule_thunk" : ASM_CALL_CONSTRAINT)