From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1752363AbdHATNJ (ORCPT ); Tue, 1 Aug 2017 15:13:09 -0400 Received: from mail-wr0-f193.google.com ([209.85.128.193]:36956 "EHLO mail-wr0-f193.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1751983AbdHATLb (ORCPT ); Tue, 1 Aug 2017 15:11:31 -0400 From: Florian Fainelli To: netdev@vger.kernel.org Cc: davem@davemloft.net, edumazet@google.com, Florian Fainelli , Jeff Kirsher , intel-wired-lan@lists.osuosl.org (moderated list:INTEL ETHERNET DRIVERS), linux-kernel@vger.kernel.org (open list) Subject: [PATCH net 3/7] ixgbe: Initialize 64-bit stats seqcounts Date: Tue, 1 Aug 2017 12:11:08 -0700 Message-Id: <20170801191113.8754-4-f.fainelli@gmail.com> X-Mailer: git-send-email 2.9.3 In-Reply-To: <20170801191113.8754-1-f.fainelli@gmail.com> References: <20170801191113.8754-1-f.fainelli@gmail.com> Sender: linux-kernel-owner@vger.kernel.org List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 32-bit hosts and with CONFIG_DEBUG_LOCK_ALLOC we should be seeing a lockdep splat indicating this seqcount is not correctly initialized, fix that. Fixes: 4197aa7bb818 ("ixgbevf: provide 64 bit statistics") Signed-off-by: Florian Fainelli --- drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c index 084c53582793..032f8ac06357 100644 --- a/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c +++ b/drivers/net/ethernet/intel/ixgbevf/ixgbevf_main.c @@ -2988,6 +2988,8 @@ int ixgbevf_setup_tx_resources(struct ixgbevf_ring *tx_ring) if (!tx_ring->tx_buffer_info) goto err; + u64_stats_init(&tx_ring->syncp); + /* round up to nearest 4K */ tx_ring->size = tx_ring->count * sizeof(union ixgbe_adv_tx_desc); tx_ring->size = ALIGN(tx_ring->size, 4096); @@ -3046,6 +3048,8 @@ int ixgbevf_setup_rx_resources(struct ixgbevf_ring *rx_ring) if (!rx_ring->rx_buffer_info) goto err; + u64_stats_init(&rx_ring->syncp); + /* Round up to nearest 4K */ rx_ring->size = rx_ring->count * sizeof(union ixgbe_adv_rx_desc); rx_ring->size = ALIGN(rx_ring->size, 4096); -- 2.9.3