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authorOlof Johansson <olof@lixom.net>2013-08-11 15:33:54 -0700
committerOlof Johansson <olof@lixom.net>2013-08-11 15:33:54 -0700
commit4ddbed9618724d52a7a79c1e10ef5adb46fcccf7 (patch)
treeffe64efb333d7dcdb5b2cf43ffef97b25261702c /net/8021q/vlan_dev.c
parent16649596d701c0f4f767bbcad7da4d6343ba8a9e (diff)
parentfa8c5a811e0e7c3e1c49b2e58fcb4db549b5719a (diff)
Merge tag 'boards-3.12' of git://git.infradead.org/linux-mvebu into next/boards
From Jason Cooper: mvebu boards changes for v3.12 - convert kirkwood, dove, orion5x to DT init of mv643xx_eth - _lots_ of board code removal :) - convert kirkwood, dove and orion5x to DT init of clocksource and irqchip * tag 'boards-3.12' of git://git.infradead.org/linux-mvebu: ARM: plat-orion: add reg offset to DT irq driver stub ARM: kirkwood: remove obsolete SDIO clock gate workaround ARM: kirkwood: convert to DT irqchip and clocksource ARM: dove: convert to DT irqchip and clocksource ARM: orion5x: update intc device tree node to new reg layout ARM: kirkwood: move device tree nodes to DT irqchip and clocksource ARM: dove: move device tree nodes to DT irqchip and clocksource ARM: orion5x: remove legacy mv643xx_eth board setup ARM: kirkwood: remove legacy clk alias for mv643xx_eth ARM: kirkwood: remove redundant DT board files ARM: dove: remove legacy mv643xx_eth setup ARM: orion5x: add gigabit ethernet and mvmdio device tree nodes ARM: kirkwood: add gigabit ethernet and mvmdio device tree nodes ARM: dove: add gigabit ethernet and mvmdio device tree nodes + Linux 3.11-rc2 Signed-off-by: Olof Johansson <olof@lixom.net>
Diffstat (limited to 'net/8021q/vlan_dev.c')
-rw-r--r--net/8021q/vlan_dev.c7
1 files changed, 7 insertions, 0 deletions
diff --git a/net/8021q/vlan_dev.c b/net/8021q/vlan_dev.c
index 3a8c8fd63c8..1cd3d2a406f 100644
--- a/net/8021q/vlan_dev.c
+++ b/net/8021q/vlan_dev.c
@@ -73,6 +73,8 @@ vlan_dev_get_egress_qos_mask(struct net_device *dev, struct sk_buff *skb)
{
struct vlan_priority_tci_mapping *mp;
+ smp_rmb(); /* coupled with smp_wmb() in vlan_dev_set_egress_priority() */
+
mp = vlan_dev_priv(dev)->egress_priority_map[(skb->priority & 0xF)];
while (mp) {
if (mp->priority == skb->priority) {
@@ -249,6 +251,11 @@ int vlan_dev_set_egress_priority(const struct net_device *dev,
np->next = mp;
np->priority = skb_prio;
np->vlan_qos = vlan_qos;
+ /* Before inserting this element in hash table, make sure all its fields
+ * are committed to memory.
+ * coupled with smp_rmb() in vlan_dev_get_egress_qos_mask()
+ */
+ smp_wmb();
vlan->egress_priority_map[skb_prio & 0xF] = np;
if (vlan_qos)
vlan->nr_egress_mappings++;