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authorJesse Gross <jesse@nicira.com>2013-12-03 10:58:53 -0800
committerJesse Gross <jesse@nicira.com>2014-01-06 15:51:48 -0800
commit663efa3696232300a8ad3a46bb10482fc0b861cf (patch)
treeb47f23f1c21ebc8c0e7deb333a44fe5a7e511b7d /net/openvswitch/datapath.h
parent5bb506324d150578afadd10c3198ef5b29f5876b (diff)
downloadlinux-663efa3696232300a8ad3a46bb10482fc0b861cf.tar.bz2
openvswitch: Silence RCU lockdep checks from flow lookup.
Flow lookup can happen either in packet processing context or userspace context but it was annotated as requiring RCU read lock to be held. This also allows OVS mutex to be held without causing warnings. Reported-by: Justin Pettit <jpettit@nicira.com> Signed-off-by: Jesse Gross <jesse@nicira.com> Reviewed-by: Thomas Graf <tgraf@redhat.com>
Diffstat (limited to 'net/openvswitch/datapath.h')
-rw-r--r--net/openvswitch/datapath.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/net/openvswitch/datapath.h b/net/openvswitch/datapath.h
index 4067ea41be28..ba13be4a680f 100644
--- a/net/openvswitch/datapath.h
+++ b/net/openvswitch/datapath.h
@@ -145,6 +145,8 @@ int lockdep_ovsl_is_held(void);
#define ASSERT_OVSL() WARN_ON(unlikely(!lockdep_ovsl_is_held()))
#define ovsl_dereference(p) \
rcu_dereference_protected(p, lockdep_ovsl_is_held())
+#define rcu_dereference_ovsl(p) \
+ rcu_dereference_check(p, lockdep_ovsl_is_held())
static inline struct net *ovs_dp_get_net(struct datapath *dp)
{