Linux 2.6Äں˵ÄÐÂËø»úÖÆ RCU
http://www.ibm.com/developerworks/cn/linux/l-rcu/
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rcu_read_lock()
/*
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*/
rcu_read_unlock()
/*
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*/
synchronize_rcu()
/*
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Êý call_rcu Ò²ÓÉ RCU д¶Ëµ÷Óã¬Ëü²»»áʹдÕß×èÈû£¬Òò¶ø¿ÉÒÔÔÚÖжÏÉÏÏÂÎÄ»ò softirq ʹÓ㬶ø
synchronize_rcu¡¢synchronize_kernel ºÍsynchronize_shced
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µÄʵÏÖʵ¼ÊÉÏʹÓú¯Êýcall_rcu¡£
*/
void fastcall call_rcu(struct rcu_head *head,
void (*func)(struct rcu_head *rcu))
/*
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*/
rcu_assign_pointer()
typeof(p) rcu_assign_pointer(p, typeof(p) v);
/*
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*/
rcu_dereference()
typeof(p) rcu_assign_pointer(p, typeof(p) v);
http://group.ednchina.com/1036/21283.aspx
http://blog.chinaunix.net/u1/51562/showart_1341707.html
http://www.360doc.com/content/10/0106/17/701200_12820595.shtml
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