请教，升级2.6.11.6内核有警告？？？

elution

make的时候有n多下面的警告，是什么回事？？？

drivers/char/ftape/lowlevel/ftape-io.c: In function `ftape_sleep':
drivers/char/ftape/lowlevel/ftape-io.c:98: warning: `save_flags' is deprecated (declared at include/linux/interrupt.h:73)
drivers/char/ftape/lowlevel/ftape-io.c:99: warning: `sti' is deprecated (declared at include/linux/interrupt.h:69)
drivers/char/ftape/lowlevel/ftape-io.c:106: warning: `restore_flags' is deprecated (declared at include/linux/interrupt.h:7
drivers/char/ftape/lowlevel/ftape-format.c: In function `ftape_format_track':
drivers/char/ftape/lowlevel/ftape-format.c:135: warning: `restore_flags' is deprecated (declared at include/linux/interrupt.h:7
drivers/char/esp.c: In function `rs_stop':
drivers/char/esp.c:215: warning: `save_flags' is deprecated (declared at include/linux/interrupt.h:73)
drivers/char/esp.c:215: warning: `cli' is deprecated (declared at include/linux/interrupt.h:65)
drivers/char/esp.c:222: warning: `restore_flags' is deprecated (declared at include/linux/interrupt.h:7
drivers/char/esp.c: In function `rs_start':
drivers/char/esp.c:233: warning: `save_flags' is deprecated (declared at include/linux/interrupt.h:73)
drivers/char/esp.c:233: warning: `cli' is deprecated (declared at include/linux/interrupt.h:65)
drivers/char/esp.c:239: warning: `restore_flags' is deprecated (declared at include/linux/interrupt.h:7
drivers/char/esp.c: In function `receive_chars_pio':
drivers/char/esp.c:314: warning: `sti' is deprecated (declared at include/linux/interrupt.h:69)
drivers/char/esp.c:332: warning: `cli' is deprecated (declared at include/linux/interrupt.h:65)
drivers/char/esp.c: In function `transmit_chars_pio':
drivers/char/esp.c:481: warning: `sti' is deprecated (declared at include/linux/interrupt.h:69)
drivers/char/esp.c:492: warning: `cli' is deprecated (declared at include/linux/interrupt.h:65)
drivers/char/esp.c: In function `rs_interrupt_single':
drivers/char/esp.c:657: warning: `cli' is deprecated (declared at include/linux/interrupt.h:65)
drivers/char/esp.c:660: warning: `sti' is deprecated (declared at include/linux/interrupt.h:69)
drivers/char/esp.c:743: warning: `sti' is deprecated (declared at include/linux/interrupt.h:69)