Merge pull request #469 from jstancek/issue468

sjenning · sjenning · commit 7fed24820595 · 2014-11-21T11:45:01.000-05:00
wait for outstanding shadow variables free requests in kpatch_exit
diff --git a/kmod/core/core.c b/kmod/core/core.c
@@ -1084,6 +1084,8 @@ static int kpatch_init(void)
 
 static void kpatch_exit(void)
 {
+	rcu_barrier();
+
 	WARN_ON(kpatch_num_patched != 0);
 	WARN_ON(unregister_module_notifier(&kpatch_module_nb));
 	kobject_put(kpatch_patches_kobj);

Original file line number	Diff line number	Diff line change
`@@ -1084,6 +1084,8 @@ static int kpatch_init(void)`
`1084`	`1084`
`1085`	`1085`	`static void kpatch_exit(void)`
`1086`	`1086`	`{`
	`1087`	`+ rcu_barrier();`
	`1088`	`+`
`1087`	`1089`	`WARN_ON(kpatch_num_patched != 0);`
`1088`	`1090`	`WARN_ON(unregister_module_notifier(&kpatch_module_nb));`
`1089`	`1091`	`kobject_put(kpatch_patches_kobj);`