On Tue, Aug 21, 2001 at 06:09:19PM +0800, machael thailer wrote: > Yes. > But in the sourece codes, when we finish the exception handlers , we will > run "ret_from_irq" (ret_from_sys_call) in the entry.S and then run macro > "RESTORE_ALL_AND_RET". The macro does restore all registers and then ERET. > But there is not a "CLI" just before ERET as the user manual suggested. Why? > so when we handle a syscall exception, we do "STI" in the handle_sys(). and > when ret_from_sys_call and we will run this macro "RESTORE_ALL_AND_RET". > because there is not a "CLI" just before ERET , is it possible to have some > problems? Look again. Ralf
