3 files changed, 61 insertions, 64 deletions

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index 798603e8ec3..8aeadf6b553 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -616,30 +616,23 @@
                 *(.init.setup)                                          \
                 VMLINUX_SYMBOL(__setup_end) = .;
 
-#define INITCALLS                                                       \
-        *(.initcallearly.init)                                          \
-        VMLINUX_SYMBOL(__early_initcall_end) = .;                       \
-        *(.initcall0.init)                                              \
-        *(.initcall0s.init)                                             \
-        *(.initcall1.init)                                              \
-        *(.initcall1s.init)                                             \
-        *(.initcall2.init)                                              \
-        *(.initcall2s.init)                                             \
-        *(.initcall3.init)                                              \
-        *(.initcall3s.init)                                             \
-        *(.initcall4.init)                                              \
-        *(.initcall4s.init)                                             \
-        *(.initcall5.init)                                              \
-        *(.initcall5s.init)                                             \
-        *(.initcallrootfs.init)                                         \
-        *(.initcall6.init)                                              \
-        *(.initcall6s.init)                                             \
-        *(.initcall7.init)                                              \
-        *(.initcall7s.init)
+#define INIT_CALLS_LEVEL(level)                                         \
+                VMLINUX_SYMBOL(__initcall##level##_start) = .;          \
+                *(.initcall##level##.init)                              \
+                *(.initcall##level##s.init)                             \
 
 #define INIT_CALLS                                                      \
                 VMLINUX_SYMBOL(__initcall_start) = .;                   \
-                INITCALLS                                               \
+                *(.initcallearly.init)                                  \
+                INIT_CALLS_LEVEL(0)                                     \
+                INIT_CALLS_LEVEL(1)                                     \
+                INIT_CALLS_LEVEL(2)                                     \
+                INIT_CALLS_LEVEL(3)                                     \
+                INIT_CALLS_LEVEL(4)                                     \
+                INIT_CALLS_LEVEL(5)                                     \
+                INIT_CALLS_LEVEL(rootfs)                                \
+                INIT_CALLS_LEVEL(6)                                     \
+                INIT_CALLS_LEVEL(7)                                     \
                 VMLINUX_SYMBOL(__initcall_end) = .;
 
 #define CON_INITCALL                                                    \
diff --git a/include/linux/module.h b/include/linux/module.h
index 4598bf03e98..fbcafe2ee13 100644
--- a/include/linux/module.h
+++ b/include/linux/module.h
@@ -21,8 +21,6 @@
 #include <linux/percpu.h>
 #include <asm/module.h>
 
-#include <trace/events/module.h>
-
 /* Not Yet Implemented */
 #define MODULE_SUPPORTED_DEVICE(name)
 
@@ -452,33 +450,11 @@ void symbol_put_addr(void *addr);
 
 /* Sometimes we know we already have a refcount, and it's easier not
    to handle the error case (which only happens with rmmod --wait). */
-static inline void __module_get(struct module *module)
-{
-        if (module) {
-                preempt_disable();
-                __this_cpu_inc(module->refptr->incs);
-                trace_module_get(module, _THIS_IP_);
-                preempt_enable();
-        }
-}
-
-static inline int try_module_get(struct module *module)
-{
-        int ret = 1;
-
-        if (module) {
-                preempt_disable();
+extern void __module_get(struct module *module);
 
-                if (likely(module_is_live(module))) {
-                        __this_cpu_inc(module->refptr->incs);
-                        trace_module_get(module, _THIS_IP_);
-                } else
-                        ret = 0;
-
-                preempt_enable();
-        }
-        return ret;
-}
+/* This is the Right Way to get a module: if it fails, it's being removed,
+ * so pretend it's not there. */
+extern bool try_module_get(struct module *module);
 
 extern void module_put(struct module *module);
 
diff --git a/include/linux/moduleparam.h b/include/linux/moduleparam.h
index c47f4d60db0..ea36486378d 100644
--- a/include/linux/moduleparam.h
+++ b/include/linux/moduleparam.h
@@ -47,14 +47,11 @@ struct kernel_param_ops {
         void (*free)(void *arg);
 };
 
-/* Flag bits for kernel_param.flags */
-#define KPARAM_ISBOOL           2
-
 struct kernel_param {
         const char *name;
         const struct kernel_param_ops *ops;
         u16 perm;
-        u16 flags;
+        s16 level;
         union {
                 void *arg;
                 const struct kparam_string *str;
@@ -131,8 +128,40 @@ struct kparam_array
  * The ops can have NULL set or get functions.
  */
 #define module_param_cb(name, ops, arg, perm)                                 \
-        __module_param_call(MODULE_PARAM_PREFIX,                              \
-                            name, ops, arg, __same_type((arg), bool *), perm)
+        __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, 0)
+
+/**
+ * <level>_param_cb - general callback for a module/cmdline parameter
+ *                    to be evaluated before certain initcall level
+ * @name: a valid C identifier which is the parameter name.
+ * @ops: the set & get operations for this parameter.
+ * @perm: visibility in sysfs.
+ *
+ * The ops can have NULL set or get functions.
+ */
+#define __level_param_cb(name, ops, arg, perm, level)                   \
+        __module_param_call(MODULE_PARAM_PREFIX, name, ops, arg, perm, level)
+
+#define core_param_cb(name, ops, arg, perm)             \
+        __level_param_cb(name, ops, arg, perm, 1)
+
+#define postcore_param_cb(name, ops, arg, perm)         \
+        __level_param_cb(name, ops, arg, perm, 2)
+
+#define arch_param_cb(name, ops, arg, perm)             \
+        __level_param_cb(name, ops, arg, perm, 3)
+
+#define subsys_param_cb(name, ops, arg, perm)           \
+        __level_param_cb(name, ops, arg, perm, 4)
+
+#define fs_param_cb(name, ops, arg, perm)               \
+        __level_param_cb(name, ops, arg, perm, 5)
+
+#define device_param_cb(name, ops, arg, perm)           \
+        __level_param_cb(name, ops, arg, perm, 6)
+
+#define late_param_cb(name, ops, arg, perm)             \
+        __level_param_cb(name, ops, arg, perm, 7)
 
 /* On alpha, ia64 and ppc64 relocations to global data cannot go into
    read-only sections (which is part of respective UNIX ABI on these
@@ -146,7 +175,7 @@ struct kparam_array
 
 /* This is the fundamental function for registering boot/module
    parameters. */
-#define __module_param_call(prefix, name, ops, arg, isbool, perm)       \
+#define __module_param_call(prefix, name, ops, arg, perm, level)        \
         /* Default value instead of permissions? */                     \
         static int __param_perm_check_##name __attribute__((unused)) =  \
         BUILD_BUG_ON_ZERO((perm) < 0 || (perm) > 0777 || ((perm) & 2))  \
@@ -155,8 +184,7 @@ struct kparam_array
         static struct kernel_param __moduleparam_const __param_##name   \
         __used                                                          \
     __attribute__ ((unused,__section__ ("__param"),aligned(sizeof(void *)))) \
-        = { __param_str_##name, ops, perm, isbool ? KPARAM_ISBOOL : 0,  \
-            { arg } }
+        = { __param_str_##name, ops, perm, level, { arg } }
 
 /* Obsolete - use module_param_cb() */
 #define module_param_call(name, set, get, arg, perm)                    \
@@ -164,8 +192,7 @@ struct kparam_array
                  { (void *)set, (void *)get };                          \
         __module_param_call(MODULE_PARAM_PREFIX,                        \
                             name, &__param_ops_##name, arg,             \
-                            __same_type(arg, bool *),                   \
-                            (perm) + sizeof(__check_old_set_param(set))*0)
+                            (perm) + sizeof(__check_old_set_param(set))*0, 0)
 
 /* We don't get oldget: it's often a new-style param_get_uint, etc. */
 static inline int
@@ -245,8 +272,7 @@ static inline void __kernel_param_unlock(void)
  */
 #define core_param(name, var, type, perm)                               \
         param_check_##type(name, &(var));                               \
-        __module_param_call("", name, &param_ops_##type,                \
-                            &var, __same_type(var, bool), perm)
+        __module_param_call("", name, &param_ops_##type, &var, perm, 0)
 #endif /* !MODULE */
 
 /**
@@ -264,7 +290,7 @@ static inline void __kernel_param_unlock(void)
                 = { len, string };                                      \
         __module_param_call(MODULE_PARAM_PREFIX, name,                  \
                             &param_ops_string,                          \
-                            .str = &__param_string_##name, 0, perm);    \
+                            .str = &__param_string_##name, perm, 0);    \
         __MODULE_PARM_TYPE(name, "string")
 
 /**
@@ -292,6 +318,8 @@ extern int parse_args(const char *name,
                       char *args,
                       const struct kernel_param *params,
                       unsigned num,
+                      s16 level_min,
+                      s16 level_max,
                       int (*unknown)(char *param, char *val));
 
 /* Called by module remove. */
@@ -403,7 +431,7 @@ extern int param_set_bint(const char *val, const struct kernel_param *kp);
         __module_param_call(MODULE_PARAM_PREFIX, name,                  \
                             &param_array_ops,                           \
                             .arr = &__param_arr_##name,                 \
-                            __same_type(array[0], bool), perm);         \
+                            perm, 0);                                   \
         __MODULE_PARM_TYPE(name, "array of " #type)
 
 extern struct kernel_param_ops param_array_ops;