livepatch: Remove module_disable_ro() usage

With arch_klp_init_object_loaded() gone, and apply_relocate_add() now using text_poke(), livepatch no longer needs to use module_disable_ro(). Signed-off-by: Josh Poimboeuf <[email protected]> Acked-by: Peter Zijlstra (Intel) <[email protected]> Acked-by: Joe Lawrence <[email protected]> Acked-by: Miroslav Benes <[email protected]> Signed-off-by: Jiri Kosina <[email protected]>
bobolmw · May 7, 2020 · d556e1b · d556e1b
1 parent 88fc078
commit d556e1b
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
@@ -777,7 +777,6 @@ static int klp_init_object_loaded(struct klp_patch *patch,
 	if (klp_is_module(obj)) {
 
 		mutex_lock(&text_mutex);
-		module_disable_ro(patch->mod);
 
 		/*
 		 * Only write module-specific relocations here
@@ -787,7 +786,6 @@ static int klp_init_object_loaded(struct klp_patch *patch,
 		 */
 		ret = klp_apply_object_relocs(patch, obj);
 
-		module_enable_ro(patch->mod, true);
 		mutex_unlock(&text_mutex);
 
 		if (ret)