Hi all,
Today's linux-next merge of the net tree got a conflict in:
net/rxrpc/call_object.c
between commit:
e99e88a9d2b0 ("treewide: setup_timer() -> timer_setup()")
from Linus' tree and commit:
9faaff593404 ("rxrpc: Provide a different lockdep key for call->user_mutex for kernel calls")
from the net tree.
I fixed it up (see below) and can carry the fix as necessary. This
is now fixed as far as linux-next is concerned, but any non trivial
conflicts should be mentioned to your upstream maintainer when your tree
is submitted for merging. You may also want to consider cooperating
with the maintainer of the conflicting tree to minimise any particularly
complex conflicts.
--
Cheers,
Stephen Rothwell
diff --cc net/rxrpc/call_object.c
index 994dc2df57e4,7ee3d6ce5aa2..000000000000
--- a/net/rxrpc/call_object.c
+++ b/net/rxrpc/call_object.c
@@@ -114,7 -118,16 +118,15 @@@ struct rxrpc_call *rxrpc_alloc_call(str
goto nomem_2;
mutex_init(&call->user_mutex);
+
+ /* Prevent lockdep reporting a deadlock false positive between the afs
+ * filesystem and sys_sendmsg() via the mmap sem.
+ */
+ if (rx->sk.sk_kern_sock)
+ lockdep_set_class(&call->user_mutex,
+ &rxrpc_call_user_mutex_lock_class_key);
+
- setup_timer(&call->timer, rxrpc_call_timer_expired,
- (unsigned long)call);
+ timer_setup(&call->timer, rxrpc_call_timer_expired, 0);
INIT_WORK(&call->processor, &rxrpc_process_call);
INIT_LIST_HEAD(&call->link);
INIT_LIST_HEAD(&call->chan_wait_link);
--
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