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openvswitch: Silence RCU lockdep checks from flow lookup.

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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>
This commit is contained in:
Jesse Gross 2013-12-03 10:58:53 -08:00
parent 5bb506324d
commit 663efa3696
3 changed files with 4 additions and 3 deletions
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2
net/openvswitch/flow_table.c
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@ -433,7 +433,7 @@ struct sw_flow *ovs_flow_tbl_lookup_stats(struct flow_table *tbl,
const struct sw_flow_key *key,
u32 *n_mask_hit)
{
struct table_instance *ti = rcu_dereference(tbl->ti);
struct table_instance *ti = rcu_dereference_ovsl(tbl->ti);
struct sw_flow_mask *mask;
struct sw_flow *flow;