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[v4,03/15] livepatch: create temporary klp_update_patch_state() stub

Message ID e2076a17e3eaa0cafead8208595befbb6e31b0ee.1484839971.git.jpoimboe@redhat.com (mailing list archive)
State Not Applicable
Headers show

Commit Message

Josh Poimboeuf Jan. 19, 2017, 3:46 p.m. UTC 
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 <jpoimboe@redhat.com>
Reviewed-by: Petr Mladek <pmladek@suse.com>
---
 include/linux/livepatch.h | 5 ++++-
 kernel/livepatch/core.c   | 3 +++
 2 files changed, 7 insertions(+), 1 deletion(-)

Comments

Miroslav Benes Jan. 27, 2017, 8:52 a.m. UTC | #1 
On Thu, 19 Jan 2017, Josh Poimboeuf wrote:

> 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 <jpoimboe@redhat.com>
> Reviewed-by: Petr Mladek <pmladek@suse.com>

Acked-by: Miroslav Benes <mbenes@suse.cz>

Miroslav
diff mbox

Patch

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;