compat/main.c

   1 #include <linux/module.h>
   2
   3 MODULE_AUTHOR("Luis R. Rodriguez");
   4 MODULE_DESCRIPTION("Kernel compatibility module");
   5 MODULE_LICENSE("GPL");
   6
   7 #ifndef COMPAT_BASE_TREE
   8 #error "You need a COMPAT_BASE_TREE"
   9 #endif
  10
  11 #ifndef COMPAT_BASE_TREE_VERSION
  12 #error "You need a COMPAT_BASE_TREE_VERSION"
  13 #endif
  14
  15 #ifndef COMPAT_VERSION
  16 #error "You need a COMPAT_VERSION"
  17 #endif
  18
  19 static char *compat_base_tree = COMPAT_BASE_TREE;
  20 static char *compat_base_tree_version = COMPAT_BASE_TREE_VERSION;
  21 static char *compat_version = COMPAT_VERSION;
  22
  23 module_param(compat_base_tree, charp, 0400);
  24 MODULE_PARM_DESC(compat_base_tree,
  25                  "The upstream tree used as base for this backport");
  26
  27 module_param(compat_base_tree_version, charp, 0400);
  28 MODULE_PARM_DESC(compat_base_tree_version,
  29                  "The git-describe of the upstream base tree");
  30
  31 module_param(compat_version, charp, 0400);
  32 MODULE_PARM_DESC(compat_version,
  33                  "Version of the kernel compat backport work");
  34
  35 void compat_dependency_symbol(void)
  36 {
  37 }
  38 EXPORT_SYMBOL_GPL(compat_dependency_symbol);
  39
  40 static int __init compat_init(void)
  41 {
  42         /* pm-qos for kernels <= 2.6.24, this is a no-op on newer kernels */
  43         compat_pm_qos_power_init();
  44         compat_system_workqueue_create();
  45
  46         printk(KERN_INFO
  47                COMPAT_PROJECT " backport release: "
  48                COMPAT_VERSION
  49                "\n");
  50         printk(KERN_INFO "Backport based on "
  51                COMPAT_BASE_TREE " " COMPAT_BASE_TREE_VERSION
  52                "\n");
  53
  54         return 0;
  55 }
  56 module_init(compat_init);
  57
  58 static void __exit compat_exit(void)
  59 {
  60         compat_pm_qos_power_deinit();
  61         compat_system_workqueue_destroy();
  62
  63         return;
  64 }
  65 module_exit(compat_exit);
  66