tree 8d0deb7de94992548aae364ef39f34c4c67cf096
parent feed9b62da6e2997612143ae4b857ec7f33c810d
author Jan Glauber <jang@linux.vnet.ibm.com> 1238077464 +0100
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1238077459 +0100

[S390] qdio: add missing tiq_list locking

Add a mutex to protect the tiq_list. Although reading the list is done
using RCU adding and removing elements from the list must still
happen locked since multiple qdio devices may change the list in parallel
otherwise.

Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>