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| author | Scott Feldman <sfeldma@gmail.com> | 2015-06-12 21:35:47 -0700 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2015-06-15 16:06:48 -0700 |
| commit | 02a9fbfc878ec3e4c17b11d6ac41dfe86667b732 (patch) | |
| tree | 1a7a041bd5d57f709f5736395425b297b14f1f58 /drivers/net/ethernet/rocker | |
| parent | 179f9a2590a9f585fe052f87f10a83a84613ee43 (diff) | |
| download | talos-op-linux-02a9fbfc878ec3e4c17b11d6ac41dfe86667b732.tar.gz talos-op-linux-02a9fbfc878ec3e4c17b11d6ac41dfe86667b732.zip | |
rocker: mark neigh update event processing as 'no wait'
Neigh update event handler runs in a context where we can't sleep, so mark
processing in driver with ROCKER_OP_FLAG_NOWAIT. NOWAIT will use
GFP_ATOMIC for allocations and will queue cmds to the device's cmd ring but
will not wait (sleep) for cmd response back from device.
Signed-off-by: Scott Feldman <sfeldma@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/rocker')
| -rw-r--r-- | drivers/net/ethernet/rocker/rocker.c | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/drivers/net/ethernet/rocker/rocker.c b/drivers/net/ethernet/rocker/rocker.c index c1910c15a86f..1995b592af4e 100644 --- a/drivers/net/ethernet/rocker/rocker.c +++ b/drivers/net/ethernet/rocker/rocker.c @@ -5251,7 +5251,8 @@ static struct notifier_block rocker_netdevice_nb __read_mostly = { static int rocker_neigh_update(struct net_device *dev, struct neighbour *n) { struct rocker_port *rocker_port = netdev_priv(dev); - int flags = (n->nud_state & NUD_VALID) ? 0 : ROCKER_OP_FLAG_REMOVE; + int flags = (n->nud_state & NUD_VALID ? 0 : ROCKER_OP_FLAG_REMOVE) | + ROCKER_OP_FLAG_NOWAIT; __be32 ip_addr = *(__be32 *)n->primary_key; return rocker_port_ipv4_neigh(rocker_port, SWITCHDEV_TRANS_NONE, |
