diff options
author | David S. Miller <davem@davemloft.net> | 2014-06-03 23:32:12 -0700 |
---|---|---|
committer | David S. Miller <davem@davemloft.net> | 2014-06-03 23:32:12 -0700 |
commit | c99f7abf0e69987e4add567e155e042cb1f2a20b (patch) | |
tree | d23898dc30ed25c1dae9bb6325041027d412397a /drivers/net/ethernet/broadcom/bnx2x | |
parent | 92ff71b8fe9cd9c673615fc6f3870af7376d7c84 (diff) | |
parent | d8b0426af5b67973585712c9af36b86f6ea97815 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net
Conflicts:
include/net/inetpeer.h
net/ipv6/output_core.c
Changes in net were fixing bugs in code removed in net-next.
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'drivers/net/ethernet/broadcom/bnx2x')
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c | 12 | ||||
-rw-r--r-- | drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c | 4 |
2 files changed, 14 insertions, 2 deletions
diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c index d18441ebe94..23da47925fa 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_cmn.c @@ -906,6 +906,18 @@ static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) bd_prod = RX_BD(bd_prod); bd_cons = RX_BD(bd_cons); + /* A rmb() is required to ensure that the CQE is not read + * before it is written by the adapter DMA. PCI ordering + * rules will make sure the other fields are written before + * the marker at the end of struct eth_fast_path_rx_cqe + * but without rmb() a weakly ordered processor can process + * stale data. Without the barrier TPA state-machine might + * enter inconsistent state and kernel stack might be + * provided with incorrect packet description - these lead + * to various kernel crashed. + */ + rmb(); + cqe_fp_flags = cqe_fp->type_error_flags; cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE; diff --git a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c index ff2bdd80f0a..cf14218697e 100644 --- a/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c +++ b/drivers/net/ethernet/broadcom/bnx2x/bnx2x_main.c @@ -13283,8 +13283,8 @@ static int bnx2x_eeh_nic_unload(struct bnx2x *bp) netdev_reset_tc(bp->dev); del_timer_sync(&bp->timer); - cancel_delayed_work(&bp->sp_task); - cancel_delayed_work(&bp->period_task); + cancel_delayed_work_sync(&bp->sp_task); + cancel_delayed_work_sync(&bp->period_task); spin_lock_bh(&bp->stats_lock); bp->stats_state = STATS_STATE_DISABLED; |