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| author | Nils Carlson <nils.carlson@ericsson.com> | 2011-03-03 23:09:11 +0100 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2011-03-08 01:02:17 +0100 |
| commit | 16d79d7dc98e56d4700054b9b785a92102d8998c (patch) | |
| tree | 975e808eed2b39d12fd09bb884fc24dd013410d6 /block | |
| parent | drivers/net/macvtap: fix error check (diff) | |
| download | linux-16d79d7dc98e56d4700054b9b785a92102d8998c.tar.xz linux-16d79d7dc98e56d4700054b9b785a92102d8998c.zip | |
bonding 802.3ad: Fix the state machine locking v2
Changes since v1:
* Clarify an unclear comment
* Move a (possible) name change to a separate patch
The ad_rx_machine, ad_periodic_machine and ad_port_selection_logic
functions all inspect and alter common fields within the port structure.
Previous to this patch, only the ad_rx_machines were mutexed, and the
periodic and port_selection could run unmutexed against an ad_rx_machine
trigged by an arriving LACPDU.
This patch remedies the situation by protecting all the state machines
from concurrency. This is accomplished by locking around all the state
machines for a given port, which are executed at regular intervals; and
the ad_rx_machine when handling an incoming LACPDU.
Signed-off-by: Nils Carlson <nils.carlson@ericsson.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'block')
0 files changed, 0 insertions, 0 deletions