Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH 1/2] Add for_each_module iterator function v2 | Date | Wed, 22 Sep 2010 15:26:40 +0200 |
| |
From: Andi Kleen <ak@linux.intel.com>
This is a generic function to iterate over all modules. To be used in the next patch.
v2: Use module_mutex instead of preempt disabling
Signed-off-by: Andi Kleen <ak@linux.intel.com> --- include/linux/module.h | 1 + kernel/module.c | 10 ++++++++++ 2 files changed, 11 insertions(+), 0 deletions(-)
diff --git a/include/linux/module.h b/include/linux/module.h index 403ac26..809b6db 100644 --- a/include/linux/module.h +++ b/include/linux/module.h @@ -410,6 +410,7 @@ struct module *__module_address(unsigned long addr); bool is_module_address(unsigned long addr); bool is_module_percpu_address(unsigned long addr); bool is_module_text_address(unsigned long addr); +void for_each_module(void (*op)(struct module *, void *arg), void *arg); static inline int within_module_core(unsigned long addr, struct module *mod) { diff --git a/kernel/module.c b/kernel/module.c index eba1341..9e2a561 100644 --- a/kernel/module.c +++ b/kernel/module.c @@ -384,6 +384,16 @@ struct module *find_module(const char *name) } EXPORT_SYMBOL_GPL(find_module); +void for_each_module(void (*op)(struct module *, void *arg), void *arg) +{ + struct module *mod; + + mutex_lock(&module_mutex); + list_for_each_entry_rcu(mod, &modules, list) + op(mod, arg); + mutex_unlock(&module_mutex); +} + #ifdef CONFIG_SMP static inline void __percpu *mod_percpu(struct module *mod) -- 1.7.1
| |