long (*compat_ioctl)(struct tty_struct *tty, struct file * file, unsigned int cmd, unsigned long arg); implement ioctl processing for 32 bit process on 64 bit system Optional 二、What is compat_ioctl There is one more method called as "compat_ioctl()" that a 64 bit driver has to im...
linux2.6内核compat_ioctl函数 ⼀、内核原型（linux2.6.28-7）long (*compat_ioctl)(struct tty_struct *tty, struct file * file,unsigned int cmd, unsigned long arg);implement ioctl processing for 32 bit process on 64 bit system Optional ⼆、What is compat_ioctl There is one more method ...