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Filename Latest commit message Latest commit date
Yunsheng Lin 27ba4059e0 net: link_watch: prevent starvation when processing linkwatch wq
When user has configured a large number of virtual netdev, such
as 4K vlans, the carrier on/off operation of the real netdev
will also cause it's virtual netdev's link state to be processed
in linkwatch. Currently, the processing is done in a work queue,
which may cause rtnl locking starvation problem and worker
starvation problem for other work queue, such as irqfd_inject wq.

This patch releases the cpu when link watch worker has processed
a fixed number of netdev' link watch event, and schedule the
work queue again when there is still link watch event remaining.

Signed-off-by: Yunsheng Lin <linyunsheng@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2019-07-01 19:02:47 -07:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-27 21:06:39 -07:00
block
certs
crypto
Documentation ipv6: icmp: allow flowlabel reflection in echo replies 2019-07-01 10:54:51 -07:00
drivers mlxsw: spectrum: PTP: Support ethtool get_ts_info 2019-07-01 18:58:35 -07:00
fs Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-27 21:06:39 -07:00
include ipv6: icmp: allow flowlabel reflection in echo replies 2019-07-01 10:54:51 -07:00
init
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-27 21:06:39 -07:00
lib Generic DIM 2019-06-27 12:42:51 -07:00
LICENSES
mm
net net: link_watch: prevent starvation when processing linkwatch wq 2019-07-01 19:02:47 -07:00
samples samples: pktgen: allow to specify destination port 2019-07-01 11:02:20 -07:00
scripts
security
sound
tools selftests: rtnetlink: skip ipsec offload tests if netdevsim isn't present 2019-06-29 12:18:52 -07:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next 2019-06-25 01:32:59 +02:00
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2019-06-27 21:06:39 -07:00
Makefile
README

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

There are several guides for kernel developers and users. These guides can
be rendered in a number of formats, like HTML and PDF. Please read
Documentation/admin-guide/README.rst first.

In order to build the documentation, use ``make htmldocs`` or
``make pdfdocs``.  The formatted documentation can also be read online at:

    https://www.kernel.org/doc/html/latest/

There are various text files in the Documentation/ subdirectory,
several of them using the Restructured Text markup notation.

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.