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Filename Latest commit message Latest commit date
Julian Wiedmann a6c3d93963 s390/qeth: on channel error, reject further cmd requests
When the IRQ handler determines that one of the cmd IO channels has
failed and schedules recovery, block any further cmd requests from
being submitted. The request would inevitably stall, and prevent the
recovery from making progress until the request times out.

This sort of error was observed after Live Guest Relocation, where
the pending IO on the READ channel intentionally gets terminated to
kick-start recovery. Simultaneously the guest executed SIOCETHTOOL,
triggering qeth to issue a QUERY CARD INFO command. The command
then stalled in the inoperabel WRITE channel.

Signed-off-by: Julian Wiedmann <jwi@linux.vnet.ibm.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-03-22 11:52:30 -04:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2018-03-07 20:27:51 -05:00
block for-linus-20180302 2018-03-02 09:35:36 -08:00
certs
crypto
Documentation net: dsa: mv88e6xxx: Fix binding documentation for MDIO busses 2018-03-16 15:01:34 -04:00
drivers s390/qeth: on channel error, reject further cmd requests 2018-03-22 11:52:30 -04:00
firmware
fs sysfs: symlink: export sysfs_create_link_nowarn() 2018-03-19 21:14:26 -04:00
include net: phy: Add general dummy stubs for MMD register access 2018-03-22 11:41:07 -04:00
init
ipc
kernel bpf: skip unnecessary capability check 2018-03-20 23:50:39 +01:00
lib test_bpf: Fix testing with CONFIG_BPF_JIT_ALWAYS_ON=y on other arches 2018-03-20 23:04:30 +01:00
LICENSES
mm
net Here are some batman-adv bugfixes: 2018-03-22 11:26:13 -04:00
samples - do not build samples when cross compiling (Michal Hocko) 2018-02-27 10:39:29 -08:00
scripts Kbuild fixes for v4.16 2018-03-03 10:37:01 -08:00
security integrity/security: fix digsig.c build error with header file 2018-02-22 20:09:08 -08:00
sound ALSA: x86: Fix potential crash at error path 2018-02-28 08:46:00 +01:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf 2018-03-07 20:27:51 -05:00
usr
virt KVM: mmu: Fix overlap between public and private memslots 2018-02-24 01:43:36 +01:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS Kbuild fixes for v4.16 2018-03-03 10:37:01 -08:00
Makefile kbuild: disable clang's default use of -fmerge-all-constants 2018-03-20 17:43:15 -07:00
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.