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Commit 46c5a011 authored by Josh Poimboeuf's avatar Josh Poimboeuf Committed by Jiri Kosina
Browse files

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: default avatarJosh Poimboeuf <jpoimboe@redhat.com>
Reviewed-by: default avatarPetr Mladek <pmladek@suse.com>
Signed-off-by: default avatarJiri Kosina <jkosina@suse.cz>
parent 3a404842

include/linux/livepatch.h

+4 −1
Original line number Original line Diff line number Diff line
@@ -123,10 +123,13 @@ void arch_klp_init_object_loaded(struct klp_patch *patch, 
int klp_module_coming(struct module *mod);

int klp_module_coming(struct module *mod);

void klp_module_going(struct module *mod);

void klp_module_going(struct module *mod);





void klp_update_patch_state(struct task_struct *task);



#else /* !CONFIG_LIVEPATCH */

#else /* !CONFIG_LIVEPATCH */





static inline int klp_module_coming(struct module *mod) { return 0; }

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 */

#endif /* CONFIG_LIVEPATCH */

kernel/livepatch/core.c

+3 −0
Original line number Original line Diff line number Diff line
@@ -64,6 +64,9 @@ static LIST_HEAD(klp_ops); 




static struct kobject *klp_root_kobj;

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)

static struct klp_ops *klp_find_ops(unsigned long old_addr)

{

{

	struct klp_ops *ops;

	struct klp_ops *ops;