Kernel module Modules module_init Debugging hello hello2 panic params Pseudo filesystems debugfs procfs sysfs fops ioctl poll mmap anonymous_inode seq_file seq_file_single Asynchronous workqueue sleep kthread kthreads schedule timer work_from_work irq Module dependencies dep dep2 character_device character_device_create virt_to_phys Hardware device drivers pci_min pci platform_device user
