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Wen Xiong d68e660604 nvme-pci: Fix EEH failure on ppc 
[ Upstream commit 651438bb0a ]

Triggering PPC EEH detection and handling requires a memory mapped read
failure. The NVMe driver removed the periodic health check MMIO, so
there's no early detection mechanism to trigger the recovery. Instead,
the detection now happens when the nvme driver handles an IO timeout
event. This takes the pci channel offline, so we do not want the driver
to proceed with escalating its own recovery efforts that may conflict
with the EEH handler.

This patch ensures the driver will observe the channel was set to offline
after a failed MMIO read and resets the IO timer so the EEH handler has
a chance to recover the device.

Signed-off-by: Wen Xiong <wenxiong@linux.vnet.ibm.com>
[updated change log]
Signed-off-by: Keith Busch <keith.busch@intel.com>
Signed-off-by: Sasha Levin <alexander.levin@microsoft.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2018-05-30 07:52:09 +02:00
arch arm64: dts: rockchip: Fix rk3399-gru-* s2r (pinctrl hogs, wifi reset) 2018-05-30 07:52:08 +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 Documentation/spec_ctrl: Do some minor cleanups 2018-05-22 18:54:04 +02:00
drivers nvme-pci: Fix EEH failure on ppc 2018-05-30 07:52:09 +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 ceph: fix potential memory leak in init_caches() 2018-05-30 07:52:09 +02:00
include block: display the correct diskname for bio 2018-05-30 07:52:09 +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 kernel/relay.c: limit kmalloc size to KMALLOC_MAX_SIZE 2018-05-30 07:52:00 +02:00
lib idr: fix invalid ptr dereference on item delete 2018-05-30 07:51:49 +02:00
mm kasan: fix memory hotplug during boot 2018-05-30 07:51:50 +02:00
net xfrm: Fix ESN sequence number handling for IPsec GSO packets. 2018-05-30 07:52:08 +02:00
samples samples/bpf: Partially fixes the bpf.o build 2018-04-26 11:02:12 +02:00
scripts kconfig: Fix expr_free() E_NOT leak 2018-04-26 11:02:08 +02:00
security integrity/security: fix digsig.c build error with header file 2018-05-30 07:52:02 +02:00
sound ALSA: timer: Fix pause event notification 2018-05-30 07:51:47 +02:00
tools selftests/futex: Fix line continuation in Makefile 2018-05-30 07:52:05 +02:00
usr initramfs: fix initramfs rebuilds w/ compression after disabling 2017-11-03 07:39:19 -07:00
virt KVM: arm/arm64: VGIC/ITS: protect kvm_read_guest() calls with SRCU lock 2018-05-22 18:53:57 +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.