Merging upstream version 6.1.85.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 7 insertions, 2 deletions

diff --git a/kernel/module/main.c b/kernel/module/main.c
index 7a376e26d..554aba47a 100644
--- a/kernel/module/main.c
+++ b/kernel/module/main.c
@@ -2434,6 +2434,11 @@ static void do_free_init(struct work_struct *w)
 	}
 }
 
+void flush_module_init_free_work(void)
+{
+	flush_work(&init_free_wq);
+}
+
 #undef MODULE_PARAM_PREFIX
 #define MODULE_PARAM_PREFIX "module."
 /* Default value for module->async_probe_requested */
@@ -2524,8 +2529,8 @@ static noinline int do_init_module(struct module *mod)
 	 * Note that module_alloc() on most architectures creates W+X page
 	 * mappings which won't be cleaned up until do_free_init() runs.  Any
 	 * code such as mark_rodata_ro() which depends on those mappings to
-	 * be cleaned up needs to sync with the queued work - ie
-	 * rcu_barrier()
+	 * be cleaned up needs to sync with the queued work by invoking
+	 * flush_module_init_free_work().
 	 */
 	if (llist_add(&freeinit->node, &init_free_list))
 		schedule_work(&init_free_wq);