This reverts commit 325eb217e41fa14f307c7cc702bd18d0bb38fe84.
udp_tunnel infra doesn't need RTNL, should be safe to get back to only netdev instance lock.
Cc: Michael Chan michael.chan@broadcom.com Reviewed-by: Aleksandr Loktionov aleksandr.loktionov@intel.com Signed-off-by: Stanislav Fomichev stfomichev@gmail.com --- drivers/net/ethernet/broadcom/bnxt/bnxt.c | 36 +++++------------------ 1 file changed, 7 insertions(+), 29 deletions(-)
diff --git a/drivers/net/ethernet/broadcom/bnxt/bnxt.c b/drivers/net/ethernet/broadcom/bnxt/bnxt.c index 7946586802af..b359ef4b78a9 100644 --- a/drivers/net/ethernet/broadcom/bnxt/bnxt.c +++ b/drivers/net/ethernet/broadcom/bnxt/bnxt.c @@ -14055,28 +14055,13 @@ static void bnxt_unlock_sp(struct bnxt *bp) netdev_unlock(bp->dev); }
-/* Same as bnxt_lock_sp() with additional rtnl_lock */ -static void bnxt_rtnl_lock_sp(struct bnxt *bp) -{ - clear_bit(BNXT_STATE_IN_SP_TASK, &bp->state); - rtnl_lock(); - netdev_lock(bp->dev); -} - -static void bnxt_rtnl_unlock_sp(struct bnxt *bp) -{ - set_bit(BNXT_STATE_IN_SP_TASK, &bp->state); - netdev_unlock(bp->dev); - rtnl_unlock(); -} - /* Only called from bnxt_sp_task() */ static void bnxt_reset(struct bnxt *bp, bool silent) { - bnxt_rtnl_lock_sp(bp); + bnxt_lock_sp(bp); if (test_bit(BNXT_STATE_OPEN, &bp->state)) bnxt_reset_task(bp, silent); - bnxt_rtnl_unlock_sp(bp); + bnxt_unlock_sp(bp); }
/* Only called from bnxt_sp_task() */ @@ -14084,9 +14069,9 @@ static void bnxt_rx_ring_reset(struct bnxt *bp) { int i;
- bnxt_rtnl_lock_sp(bp); + bnxt_lock_sp(bp); if (!test_bit(BNXT_STATE_OPEN, &bp->state)) { - bnxt_rtnl_unlock_sp(bp); + bnxt_unlock_sp(bp); return; } /* Disable and flush TPA before resetting the RX ring */ @@ -14125,7 +14110,7 @@ static void bnxt_rx_ring_reset(struct bnxt *bp) } if (bp->flags & BNXT_FLAG_TPA) bnxt_set_tpa(bp, true); - bnxt_rtnl_unlock_sp(bp); + bnxt_unlock_sp(bp); }
static void bnxt_fw_fatal_close(struct bnxt *bp) @@ -15017,17 +15002,15 @@ static void bnxt_fw_reset_task(struct work_struct *work) bp->fw_reset_state = BNXT_FW_RESET_STATE_OPENING; fallthrough; case BNXT_FW_RESET_STATE_OPENING: - while (!rtnl_trylock()) { + while (!netdev_trylock(bp->dev)) { bnxt_queue_fw_reset_work(bp, HZ / 10); return; } - netdev_lock(bp->dev); rc = bnxt_open(bp->dev); if (rc) { netdev_err(bp->dev, "bnxt_open() failed during FW reset\n"); bnxt_fw_reset_abort(bp, rc); netdev_unlock(bp->dev); - rtnl_unlock(); goto ulp_start; }
@@ -15047,7 +15030,6 @@ static void bnxt_fw_reset_task(struct work_struct *work) bnxt_dl_health_fw_status_update(bp, true); } netdev_unlock(bp->dev); - rtnl_unlock(); bnxt_ulp_start(bp, 0); bnxt_reenable_sriov(bp); netdev_lock(bp->dev); @@ -15996,7 +15978,7 @@ static int bnxt_queue_start(struct net_device *dev, void *qmem, int idx) rc); napi_enable_locked(&bnapi->napi); bnxt_db_nq_arm(bp, &cpr->cp_db, cpr->cp_raw_cons); - netif_close(dev); + bnxt_reset_task(bp, true); return rc; }
@@ -16812,7 +16794,6 @@ static int bnxt_resume(struct device *device) struct bnxt *bp = netdev_priv(dev); int rc = 0;
- rtnl_lock(); netdev_lock(dev); rc = pci_enable_device(bp->pdev); if (rc) { @@ -16857,7 +16838,6 @@ static int bnxt_resume(struct device *device)
resume_exit: netdev_unlock(bp->dev); - rtnl_unlock(); bnxt_ulp_start(bp, rc); if (!rc) bnxt_reenable_sriov(bp); @@ -17023,7 +17003,6 @@ static void bnxt_io_resume(struct pci_dev *pdev) int err;
netdev_info(bp->dev, "PCI Slot Resume\n"); - rtnl_lock(); netdev_lock(netdev);
err = bnxt_hwrm_func_qcaps(bp); @@ -17041,7 +17020,6 @@ static void bnxt_io_resume(struct pci_dev *pdev) netif_device_attach(netdev);
netdev_unlock(netdev); - rtnl_unlock(); bnxt_ulp_start(bp, err); if (!err) bnxt_reenable_sriov(bp);