Messages in this thread Patch in this message | | | From | Andi Kleen <> | Subject | [PATCH 1/2] Add for_each_module iterator function | Date | Wed, 22 Sep 2010 12:08:21 +0200 |
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From: Andi Kleen <ak@linux.intel.com>
This is a generic function to iterate over all modules. To be used in the next patch.
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..b8fb3e6 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; + + preempt_disable(); + list_for_each_entry_rcu(mod, &modules, list) + op(mod, arg); + preempt_enable(); +} + #ifdef CONFIG_SMP static inline void __percpu *mod_percpu(struct module *mod) -- 1.7.1
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