From mboxrd@z Thu Jan 1 00:00:00 1970 From: Alexandru Gagniuc Subject: [PATCH 0/9] Export PCIe bandwidth via sysfs Date: Mon, 3 Sep 2018 13:02:27 -0500 Message-ID: <20180903180242.14504-1-mr.nuke.me@gmail.com> Cc: keith.busch@intel.com, alex_gagniuc@dellteam.com, austin_bolen@dell.com, shyam_iyer@dell.com, Alexandru Gagniuc , Ariel Elior , everest-linux-l2@cavium.com, "David S. Miller" , Michael Chan , Ganesh Goudar , Jeff Kirsher , Tariq Toukan , Saeed Mahameed , Leon Romanovsky , Jakub Kicinski , Dirk van der Merwe , netdev@vger.kernel.org, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, linux-rdma@vger.kernel.org, oss-drivers@netronome.com To: linux-pci@vger.kernel.org, bhelgaas@google.com Return-path: Sender: linux-kernel-owner@vger.kernel.org List-Id: netdev.vger.kernel.org This is a follow-on series to Commit 2d1ce5ec2117 ("PCI: Check for PCIe Link downtraining") The remaining issues was that some pcie drivers print link status directly, sometimes resulting in duplicate system log messages with degraded links. >>From my understanding, the maintainers of these drivers are fine with removing the duplicate prints as long as the bandwidth information is readily available. sysfs seemed to be the consensus. Example: $ cat /sys/bus/pci/devices/0000:b1:00.0/available_bandwidth 7.876 Gb/s Alexandru Gagniuc (9): PCI: sysfs: Export available PCIe bandwidth bnx2x: Do not call pcie_print_link_status() bnxt_en: Do not call pcie_print_link_status() cxgb4: Do not call pcie_print_link_status() fm10k: Do not call pcie_print_link_status() ixgbe: Do not call pcie_print_link_status() net/mlx4: Do not call pcie_print_link_status() net/mlx5: Do not call pcie_print_link_status() nfp: Do not call pcie_print_link_status() .../net/ethernet/broadcom/bnx2x/bnx2x_main.c | 1 - drivers/net/ethernet/broadcom/bnxt/bnxt.c | 1 - .../net/ethernet/chelsio/cxgb4/cxgb4_main.c | 3 --- drivers/net/ethernet/intel/fm10k/fm10k_pci.c | 3 --- drivers/net/ethernet/intel/ixgbe/ixgbe_main.c | 26 ------------------- drivers/net/ethernet/mellanox/mlx4/main.c | 7 ----- .../net/ethernet/mellanox/mlx5/core/main.c | 4 --- .../netronome/nfp/nfpcore/nfp6000_pcie.c | 1 - drivers/pci/pci-sysfs.c | 13 ++++++++++ 9 files changed, 13 insertions(+), 46 deletions(-) -- 2.17.1