发布时间:2014-06-27 21:31:34
匹配以.sh、.bash结尾的文件 find ./ -regextype "posix-egrep" -regex "./.*\.(sh|bash)$"......【阅读全文】
发布时间:2014-06-24 09:53:02
基于2.6.32/** * clear_bit - Clears a bit in memory * @nr: Bit to clear * @addr: Address to start counting from * * clear_bit() is atomic and may not be reordered. However, it does * not contain a memory barrier, so if it is used for locking purposes.........【阅读全文】
发布时间:2014-06-24 09:44:46
spin_lock_irqsave和spin_lock_irq????
我的疑问是,如果一直在自旋的话,?顺序拿锁的方式,保证一定按加锁的顺序,获得锁,那由于中断长时间关闭,会导致NMI么......【阅读全文】
发布时间:2014-06-20 11:53:28
#define typecheck(type,x) \({type __dummy; \ typeof(x) __dummy2; \ (void)(&__dummy == &__dummy2); \ 1; \ .........【阅读全文】