livepatch: create temporary klp_update_patch_state() stub

Create temporary stubs for klp_update_patch_state() so we can add TIF_PATCH_PENDING to different architectures in separate patches without breaking build bisectability. Signed-off-by: Josh Poimboeuf <[email protected]> Reviewed-by: Petr Mladek <[email protected]> Signed-off-by: Jiri Kosina <[email protected]>
opendata26 · Mar 8, 2017 · 46c5a01 · 46c5a01
1 parent 3a40484
commit 46c5a01
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Showing 2 changed files with 7 additions and 1 deletion.
diff --git a/include/linux/livepatch.h b/include/linux/livepatch.h
@@ -123,10 +123,13 @@ void arch_klp_init_object_loaded(struct klp_patch *patch,
 int klp_module_coming(struct module *mod);
 void klp_module_going(struct module *mod);
 
+void klp_update_patch_state(struct task_struct *task);
+
 #else /* !CONFIG_LIVEPATCH */
 
 static inline int klp_module_coming(struct module *mod) { return 0; }
-static inline void klp_module_going(struct module *mod) { }
+static inline void klp_module_going(struct module *mod) {}
+static inline void klp_update_patch_state(struct task_struct *task) {}
 
 #endif /* CONFIG_LIVEPATCH */
 

diff --git a/kernel/livepatch/core.c b/kernel/livepatch/core.c
@@ -64,6 +64,9 @@ static LIST_HEAD(klp_ops);
 
 static struct kobject *klp_root_kobj;
 
+/* TODO: temporary stub */
+void klp_update_patch_state(struct task_struct *task) {}
+
 static struct klp_ops *klp_find_ops(unsigned long old_addr)
 {
 	struct klp_ops *ops;