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void rcu_synchronize(void)
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void rcu_synchronize(void)
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{
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{
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#ifdef CONFIG_SMP
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#ifdef CONFIG_SMP
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    waitq_t wq;
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    waitq_t wq;
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    waitq_initialize(&wq);
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    waitq_initialize(&wq);
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    rcu_sync_callback(&rcu_synchronize_callback_function, &wq);
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    rcu_sync_callback_normal_alloc(&rcu_synchronize_callback_function, &wq);
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    //sleep until the end of the grace period
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    //sleep until the end of the grace period
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    waitq_sleep(&wq);
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    waitq_sleep(&wq);
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#endif
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#endif
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}
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}
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/**
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/**
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* appends this callback func to the queue of waiting callbacks, the rest
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* appends this callback func to the queue of waiting callbacks, the rest
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* is handled in rcu_run_callbacks and in the tasklet. This is a lock free variant,
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* is handled in rcu_run_callbacks and in the tasklet. This is a lock free variant,
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* which must be supplied with a preallocated rcu_callback_list_t structure
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* which must be supplied with a preallocated rcu_callback_list_t structure
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*/
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*/
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void rcu_sync_callback_custom_alloc(void (*func)(void* data), void* data, rcu_callback_list_t* rd)
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void rcu_sync_callback(void (*func)(void* data), void* data, rcu_callback_list_t* rd)
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{
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{
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#ifndef CONFIG_SMP
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#ifndef CONFIG_SMP
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    func(data);
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    func(data);
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#else
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#else
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    else
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    else
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        interrupts_restore(ipl);
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        interrupts_restore(ipl);
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}
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}
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- 
 
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/**
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* Generic callback for RCU, frees @paramref pointer
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* @param pointer
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*/
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void rcu_callback_free(void* pointer)
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{
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    free(pointer);
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}
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