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-rw-r--r--include/asm-generic/vmlinux.lds.h35
-rw-r--r--include/linux/module.h32
-rw-r--r--include/linux/moduleparam.h58
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;
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-11-14 21:49:08 +0000