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| author |   Josh Poimboeuf <jpoimboe@redhat.com> | 2017-02-13 19:42:39 -0600 |
|---|---|---|
| committer |   Jiri Kosina <jkosina@suse.cz> | 2017-03-08 09:24:04 +0100 |
| commit | f5e547f4ac785c65a39211f0b8e4ffc4fe09112d (patch) | |
| tree | 8a4826c72030d35bfed306ac748463c25b536cd0 /include/linux/livepatch.h | |
| parent | livepatch: use kstrtobool() in enabled_store() (diff) | |
| download | wireguard-linux-f5e547f4ac785c65a39211f0b8e4ffc4fe09112d.tar.xz wireguard-linux-f5e547f4ac785c65a39211f0b8e4ffc4fe09112d.zip | |
livepatch: store function sizes
For the consistency model we'll need to know the sizes of the old and
new functions to determine if they're on the stacks of any tasks.
Signed-off-by: Josh Poimboeuf <jpoimboe@redhat.com>
Acked-by: Miroslav Benes <mbenes@suse.cz>
Reviewed-by: Petr Mladek <pmladek@suse.com>
Reviewed-by: Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>
Signed-off-by: Jiri Kosina <jkosina@suse.cz>
Diffstat (limited to 'include/linux/livepatch.h')
| -rw-r--r-- | include/linux/livepatch.h | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/include/linux/livepatch.h b/include/linux/livepatch.h index 9787a63b57ac..6602b34bed2b 100644 --- a/include/linux/livepatch.h +++ b/include/linux/livepatch.h @@ -37,6 +37,8 @@ * @old_addr: the address of the function being patched * @kobj: kobject for sysfs resources * @stack_node: list node for klp_ops func_stack list + * @old_size: size of the old function + * @new_size: size of the new function * @patched: the func has been added to the klp_ops list */ struct klp_func { @@ -56,6 +58,7 @@ struct klp_func { unsigned long old_addr; struct kobject kobj; struct list_head stack_node; + unsigned long old_size, new_size; bool patched; }; |