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Honggang Li 5e8f4ec789 IB/mlx5: Set the default active rate and width to QDR and 4X 
[ Upstream commit 7672ed33c4 ]

Before commit f1b65df5a2 ("IB/mlx5: Add support for active_width and
active_speed in RoCE"), the mlx5_ib driver set the default active_width
and active_speed to IB_WIDTH_4X and IB_SPEED_QDR.

When the RoCE port is down, the RoCE port does not negotiate the active
width with the remote side, causing the active width to be zero. When
running userspace ibstat to view the port status, ibstat will panic as it
reads an invalid width from sys file.

This patch restores the original behavior.

Fixes: f1b65df5a2 ("IB/mlx5: Add support for active_width and active_speed in RoCE").
Signed-off-by: Honggang Li <honli@redhat.com>
Reviewed-by: Hal Rosenstock <hal@mellanox.com>
Reviewed-by: Noa Osherovich <noaos@mellanox.com>
Signed-off-by: Jason Gunthorpe <jgg@mellanox.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-30 07:52:30 +02:00
arch arm: dts: socfpga: fix GIC PPI warning 2018-05-30 07:52:30 +02:00
block block: display the correct diskname for bio 2018-05-30 07:52:09 +02:00
certs License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
crypto PKCS#7: fix direct verification of SignerInfo signature 2018-05-30 07:52:01 +02:00
Documentation dmaengine: mv_xor_v2: Fix clock resource by adding a register clock 2018-05-30 07:52:14 +02:00
drivers IB/mlx5: Set the default active rate and width to QDR and 4X 2018-05-30 07:52:30 +02:00
firmware License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
fs ext4: don't complain about incorrect features when probing 2018-05-30 07:52:30 +02:00
include vlan: Fix vlan insertion for packets without ethernet header 2018-05-30 07:52:22 +02:00
init kmemcheck: stop using GFP_NOTRACK and SLAB_NOTRACK 2018-02-22 15:42:23 +01:00
ipc ipc/shm: fix shmat() nil address after round-down when remapping 2018-05-30 07:51:49 +02:00
kernel sched/rt: Fix rq->clock_update_flags < RQCF_ACT_SKIP warning 2018-05-30 07:52:25 +02:00
lib lib/test_kmod.c: fix limit check on number of test devices created 2018-05-30 07:52:14 +02:00
mm mm: thp: fix potential clearing to referenced flag in page_idle_clear_pte_refs_one() 2018-05-30 07:52:24 +02:00
net rxrpc: Don't treat call aborts as conn aborts 2018-05-30 07:52:26 +02:00
samples samples/bpf: Partially fixes the bpf.o build 2018-04-26 11:02:12 +02:00
scripts builddeb: Fix header package regarding dtc source links 2018-05-30 07:52:21 +02:00
security ima: Fallback to the builtin hash algorithm 2018-05-30 07:52:29 +02:00
sound ALSA: timer: Fix pause event notification 2018-05-30 07:51:47 +02:00
tools selftests: Print the test we're running to /dev/kmsg 2018-05-30 07:52:28 +02:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt KVM: arm/arm64: vgic: Add missing irq_lock to vgic_mmio_read_pending 2018-05-30 07:52:15 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
.gitattributes .gitattributes: set git diff driver for C source code files 2016-10-07 18:46:30 -07:00
.gitignore kbuild: rpm-pkg: keep spec file until make mrproper 2018-02-13 10:19:46 +01:00
.mailmap .mailmap: Add Maciej W. Rozycki's Imagination e-mail address 2017-11-10 12:16:15 -08:00
COPYING
CREDITS MAINTAINERS: update TPM driver infrastructure changes 2017-11-09 17:58:40 -08:00
Kbuild License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kconfig License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
MAINTAINERS dt-bindings: Document mti,mips-cpc binding 2018-03-15 10:54:35 +01:00
Makefile Linux 4.14.44 2018-05-25 16:18:02 +02:00
README README: add a new README file, pointing to the Documentation/ 2016-10-24 08:12:35 -02:00

README 

Linux kernel
============

This file was moved to Documentation/admin-guide/README.rst

Please notice that there are several guides for kernel developers and users.
These guides can be rendered in a number of formats, like HTML and PDF.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.
See Documentation/00-INDEX for a list of what is contained in each file.

Please read the Documentation/process/changes.rst file, as it contains the
requirements for building and running the kernel, and information about
the problems which may result by upgrading your kernel.