savedcmd_/home/junet/driver-tutorial/kernel_timer/demo_timer_driver.ko := ld -r -m elf_x86_64 -z noexecstack --no-warn-rwx-segments --build-id=sha1  -T scripts/module.lds -o /home/junet/driver-tutorial/kernel_timer/demo_timer_driver.ko /home/junet/driver-tutorial/kernel_timer/demo_timer_driver.o /home/junet/driver-tutorial/kernel_timer/demo_timer_driver.mod.o