diff options
Diffstat (limited to 'arch/loongarch/kernel/ftrace_dyn.c')
| -rw-r--r-- | arch/loongarch/kernel/ftrace_dyn.c | 9 |
1 files changed, 4 insertions, 5 deletions
diff --git a/arch/loongarch/kernel/ftrace_dyn.c b/arch/loongarch/kernel/ftrace_dyn.c index 25c9a4cfd5fa..d5d81d74034c 100644 --- a/arch/loongarch/kernel/ftrace_dyn.c +++ b/arch/loongarch/kernel/ftrace_dyn.c @@ -85,14 +85,13 @@ static bool ftrace_find_callable_addr(struct dyn_ftrace *rec, struct module *mod * dealing with an out-of-range condition, we can assume it * is due to a module being loaded far away from the kernel. * - * NOTE: __module_text_address() must be called with preemption - * disabled, but we can rely on ftrace_lock to ensure that 'mod' + * NOTE: __module_text_address() must be called within a RCU read + * section, but we can rely on ftrace_lock to ensure that 'mod' * retains its validity throughout the remainder of this code. */ if (!mod) { - preempt_disable(); - mod = __module_text_address(pc); - preempt_enable(); + scoped_guard(rcu) + mod = __module_text_address(pc); } if (WARN_ON(!mod)) |