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authorPierre Pfister <ppfister@cisco.com>2018-02-07 15:48:21 +0100
committerDamjan Marion <dmarion.lists@gmail.com>2018-02-07 18:46:28 +0000
commit8cedff2f462ef9deada9aae223868a216c7aa7f2 (patch)
tree7b71d2dd615fdacc5e1e002b7b9ef08b29c1f1e7 /src/vnet/devices/virtio
parent815d7d5637fbffd20bf81c74fd59dac8e4fe4d94 (diff)
af_packet: Fix lock position
In multi-worker cases, af-packet tx was subject to a pretty serious race condition as the device lock was obtained after some queue values were read from queue. Result could go from packet loss to queue inconsistency, leading to tx being stuck for 'some time'. The fix is really simple. Finding the problem was not... Change-Id: Ib18967b7459a8609428a56de934c577cea87b165 Signed-off-by: Pierre Pfister <ppfister@cisco.com>
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