[PATCH v4 03/15] livepatch: create temporary klp_update_patch_state() stub
From: Josh Poimboeuf <hidden>
Date: 2017-01-19 15:47:56
Also in:
linux-s390, linuxppc-dev
Subsystem:
live patching, the rest · Maintainers:
Josh Poimboeuf, Jiri Kosina, Miroslav Benes, Petr Mladek, Linus Torvalds
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 <redacted> Reviewed-by: Petr Mladek <pmladek@suse.com> --- include/linux/livepatch.h | 5 ++++- kernel/livepatch/core.c | 3 +++ 2 files changed, 7 insertions(+), 1 deletion(-)
diff --git a/include/linux/livepatch.h b/include/linux/livepatch.h
index 9072f04..5cc20e5 100644
--- 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
index af46438..217b39d 100644
--- 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;
--
2.7.4