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Filename Latest commit message Latest commit date
Lars Persson 45ab4b13e4 stmmac: reset last TSO segment size after device open
The mss variable tracks the last max segment size sent to the TSO
engine. We do not update the hardware as long as we receive skb:s with
the same value in gso_size.

During a network device down/up cycle (mapped to stmmac_release() and
stmmac_open() callbacks) we issue a reset to the hardware and it
forgets the setting for mss. However we did not zero out our mss
variable so the next transmission of a gso packet happens with an
undefined hardware setting.

This triggers a hang in the TSO engine and eventuelly the netdev
watchdog will bark.

Fixes: f748be531d ("stmmac: support new GMAC4")
Signed-off-by: Lars Persson <larper@axis.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2017-12-03 09:47:42 -05:00
arch Microblaze patch for 4.15-rc2 2017-11-29 14:19:22 -08:00
block treewide: setup_timer() -> timer_setup() 2017-11-21 15:57:07 -08:00
certs
crypto Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6 2017-11-28 16:22:10 -08:00
Documentation vsprintf: add printk specifier %px 2017-11-29 12:13:14 +11:00
drivers stmmac: reset last TSO segment size after device open 2017-12-03 09:47:42 -05:00
firmware
fs Highlights: 2017-11-29 14:49:26 -08:00
include sctp: abandon the whole msg if one part of a fragmented message is abandoned 2017-12-01 15:06:24 -05:00
init
ipc Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
kernel kallsyms: take advantage of the new '%px' format 2017-11-29 10:30:13 -08:00
lib vsprintf: don't use 'restricted_pointer()' when not restricting 2017-11-29 11:28:09 -08:00
mm printk hashing patches for 4.15-rc2 2017-11-29 10:19:29 -08:00
net tipc: call tipc_rcv() only if bearer is up in tipc_udp_recv() 2017-12-01 15:14:22 -05:00
samples
scripts vsprintf: add printk specifier %px 2017-11-29 12:13:14 +11:00
security Rename superblock flags (MS_xyz -> SB_xyz) 2017-11-27 13:05:09 -08:00
sound Revert "ALSA: usb-audio: Fix potential zero-division at parsing FU" 2017-11-28 09:34:36 -08:00
tools Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2017-11-26 14:11:54 -08:00
usr
virt Trimmed second batch of KVM changes for Linux 4.15 2017-11-24 19:44:25 -10:00
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS myri10ge: Update MAINTAINERS 2017-11-29 09:27:35 -05:00
Makefile Linux 4.15-rc1 2017-11-26 16:01:47 -08:00
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.