core, cpu: rename thread_start_threading() -> cpu_switch_context_exit()

core/include/sched.h

@@ -136,11 +136,7 @@ void sched_switch(uint16_t other_prio);
 /**
  * @brief   Call context switching at thread exit
  */
-extern void thread_start_threading(void);
-NORETURN static inline void cpu_switch_context_exit(void)
-{
-    thread_start_threading();
-}
+NORETURN void cpu_switch_context_exit(void);
 
 /**
  * Flag indicating whether a context switch is necessary after handling an

core/include/thread.h

@@ -491,11 +491,6 @@ void thread_stack_print(void);
  */
 void thread_print_stack(void);
 
-/**
- * @brief Start threading by loading a threads initial information from the stack
- */
-void thread_start_threading(void) NORETURN;
-
 #ifdef __cplusplus
 }
 #endif

cpu/atmega_common/thread_arch.c

@@ -222,8 +222,8 @@ void thread_stack_print(void)
     printf("stack size: %u bytes\n", size);
 }
 
-void thread_start_threading(void) __attribute__((naked));
-void thread_start_threading(void)
+void cpu_switch_context_exit(void) __attribute__((naked));
+void cpu_switch_context_exit(void)
 {
     sched_run();
     AVR_CONTEXT_SWAP_INIT;

cpu/cortexm_common/thread_arch.c

@@ -105,7 +105,7 @@ extern uint32_t _sstack;
 /**
  * @brief   Noticeable marker marking the beginning of a stack segment
  *
- * This marker is used e.g. by *thread_start_threading* to identify the
+ * This marker is used e.g. by *cpu_switch_context_exit* to identify the
  * stacks beginning.
  */
 #define STACK_MARKER                (0x77777777)
@@ -277,7 +277,7 @@ void *thread_isr_stack_start(void)
     return (void *)&_sstack;
 }
 
-__attribute__((naked)) void NORETURN thread_start_threading(void)
+__attribute__((naked)) void NORETURN cpu_switch_context_exit(void)
 {
     __asm__ volatile (
     "bl     irq_enable               \n" /* enable IRQs to make the SVC

cpu/mips32r2_common/thread_arch.c

@@ -118,7 +118,7 @@ void thread_stack_print(void)
 }
 
 extern void __exception_restore(void);
-void thread_start_threading(void)
+void cpu_switch_context_exit(void)
 {
     unsigned int status = mips32_get_c0(C0_STATUS);