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locking/lockdep: Avoid RCU-induced noinstr fail

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[ Upstream commit ce0b9c805d ]

vmlinux.o: warning: objtool: look_up_lock_class()+0xc7: call to rcu_read_lock_any_held() leaves .noinstr.text section

Signed-off-by: Peter Zijlstra (Intel) <peterz@infradead.org>
Link: https://lore.kernel.org/r/20210624095148.311980536@infradead.org
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Peter Zijlstra 2021-06-24 11:41:10 +02:00 • committed by Justin Hammond
parent 4a7f59c455
commit a35dd5c32d
1 changed files with 1 additions and 1 deletions
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kernel/locking/lockdep.c
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@ -888,7 +888,7 @@ look_up_lock_class(const struct lockdep_map *lock, unsigned int subclass)
if (DEBUG_LOCKS_WARN_ON(!irqs_disabled()))
return NULL;
hlist_for_each_entry_rcu(class, hash_head, hash_entry) {
hlist_for_each_entry_rcu_notrace(class, hash_head, hash_entry) {
if (class->key == key) {
/*
* Huh! same key, different name? Did someone trample