Update Linux to v5.10.109
Sourced from [1]
[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz
Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/include/linux/livepatch.h b/include/linux/livepatch.h
index 2734008..2614247 100644
--- a/include/linux/livepatch.h
+++ b/include/linux/livepatch.h
@@ -131,9 +131,22 @@
};
/**
+ * struct klp_state - state of the system modified by the livepatch
+ * @id: system state identifier (non-zero)
+ * @version: version of the change
+ * @data: custom data
+ */
+struct klp_state {
+ unsigned long id;
+ unsigned int version;
+ void *data;
+};
+
+/**
* struct klp_patch - patch structure for live patching
* @mod: reference to the live patch module
* @objs: object entries for kernel objects to be patched
+ * @states: system states that can get modified
* @replace: replace all actively used patches
* @list: list node for global list of actively used patches
* @kobj: kobject for sysfs resources
@@ -147,6 +160,7 @@
/* external */
struct module *mod;
struct klp_object *objs;
+ struct klp_state *states;
bool replace;
/* internal */
@@ -181,9 +195,6 @@
int klp_enable_patch(struct klp_patch *);
-void arch_klp_init_object_loaded(struct klp_patch *patch,
- struct klp_object *obj);
-
/* Called from the module loader during module coming/going states */
int klp_module_coming(struct module *mod);
void klp_module_going(struct module *mod);
@@ -217,6 +228,14 @@
void klp_shadow_free(void *obj, unsigned long id, klp_shadow_dtor_t dtor);
void klp_shadow_free_all(unsigned long id, klp_shadow_dtor_t dtor);
+struct klp_state *klp_get_state(struct klp_patch *patch, unsigned long id);
+struct klp_state *klp_get_prev_state(unsigned long id);
+
+int klp_apply_section_relocs(struct module *pmod, Elf_Shdr *sechdrs,
+ const char *shstrtab, const char *strtab,
+ unsigned int symindex, unsigned int secindex,
+ const char *objname);
+
#else /* !CONFIG_LIVEPATCH */
static inline int klp_module_coming(struct module *mod) { return 0; }
@@ -225,6 +244,15 @@
static inline void klp_update_patch_state(struct task_struct *task) {}
static inline void klp_copy_process(struct task_struct *child) {}
+static inline
+int klp_apply_section_relocs(struct module *pmod, Elf_Shdr *sechdrs,
+ const char *shstrtab, const char *strtab,
+ unsigned int symindex, unsigned int secindex,
+ const char *objname)
+{
+ return 0;
+}
+
#endif /* CONFIG_LIVEPATCH */
#endif /* _LINUX_LIVEPATCH_H_ */