Masami Hiramatsu , Google <mhira...@kernel.org> wrote: > > Good catch! Hmm, previously we guaranteed that the find_first_fprobe_node() > must be called under rcu read locked or fprobe_mutex locked, so that the > node list should not be changed. But according to the comment of > rhltable_lookup(), we need to lock the rcu_read_lock() around that.
Just as is the case for RCU in general, rcu read locks are unnecessary for rhashtable if you already hold the write-side locks. Cheers, -- Email: Herbert Xu <herb...@gondor.apana.org.au> Home Page: http://gondor.apana.org.au/~herbert/ PGP Key: http://gondor.apana.org.au/~herbert/pubkey.txt
