diff options
Diffstat (limited to 'kernel/jump_label.c')
| -rw-r--r-- | kernel/jump_label.c | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/kernel/jump_label.c b/kernel/jump_label.c index ca00ac10d9b9..df3008419a1d 100644 --- a/kernel/jump_label.c +++ b/kernel/jump_label.c @@ -414,6 +414,7 @@ static bool jump_label_can_update(struct jump_entry *entry, bool init) return true; } +#ifndef HAVE_JUMP_LABEL_BATCH static void __jump_label_update(struct static_key *key, struct jump_entry *entry, struct jump_entry *stop, @@ -424,6 +425,28 @@ static void __jump_label_update(struct static_key *key, arch_jump_label_transform(entry, jump_label_type(entry)); } } +#else +static void __jump_label_update(struct static_key *key, + struct jump_entry *entry, + struct jump_entry *stop, + bool init) +{ + for (; (entry < stop) && (jump_entry_key(entry) == key); entry++) { + + if (!jump_label_can_update(entry, init)) + continue; + + if (!arch_jump_label_transform_queue(entry, jump_label_type(entry))) { + /* + * Queue is full: Apply the current queue and try again. + */ + arch_jump_label_transform_apply(); + BUG_ON(!arch_jump_label_transform_queue(entry, jump_label_type(entry))); + } + } + arch_jump_label_transform_apply(); +} +#endif void __init jump_label_init(void) { |