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Filename Latest commit message Latest commit date
Jesus Sanchez-Palencia 37342bdaf5 etf: Drop all expired packets
Currently on dequeue() ETF only drops the first expired packet, which
causes a problem if the next packet is already expired. When this
happens, the watchdog will be configured with a time in the past, fire
straight way and the packet will finally be dropped once the dequeue()
function of the qdisc is called again.

We can save quite a few cycles and improve the overall behavior of the
qdisc if we drop all expired packets if the next packet is expired.
This should allow ETF to recover faster from bad situations. But
packet drops are still a very serious warning that the requirements
imposed on the system aren't reasonable.

This was inspired by how the implementation of hrtimers use the
rb_tree inside the kernel.

Signed-off-by: Jesus Sanchez-Palencia <jesus.s.palencia@gmail.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-16 20:39:34 -08:00
arch net: remove VLAN_TAG_PRESENT 2018-11-16 19:25:29 -08:00
block for-linus-20181109 2018-11-09 16:31:51 -06:00
certs
crypto
Documentation Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-11-11 17:57:54 -08:00
drivers usbnet: smsc95xx: check for csum being in last four bytes 2018-11-16 20:16:19 -08:00
firmware
fs for-4.20-rc1-tag 2018-11-11 16:54:38 -06:00
include tcp: clean up STATE_TRACE 2018-11-16 20:28:00 -08:00
init memblock: stop using implicit alignment to SMP_CACHE_BYTES 2018-10-31 08:54:16 -07:00
ipc
kernel Merge branch 'timers-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2018-11-11 16:37:41 -06:00
lib net: remove VLAN_TAG_PRESENT 2018-11-16 19:25:29 -08:00
LICENSES
mm memory_hotplug: cond_resched in __remove_pages 2018-11-03 10:09:38 -07:00
net etf: Drop all expired packets 2018-11-16 20:39:34 -08:00
samples VFIO updates for v4.20 2018-10-31 11:01:38 -07:00
scripts builddeb: Fix inclusion of dtbs in debian package 2018-11-11 23:04:53 +09:00
security + Features/Improvements 2018-11-02 10:04:26 -07:00
sound ALSA: hda - Fix incorrect clearance of thinkpad_acpi hooks 2018-11-06 16:33:53 +01:00
tools selftests: mlxsw: spectrum-2: Add simple delta test 2018-11-15 14:43:43 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap mailmap: Update email for Punit Agrawal 2018-11-05 10:02:11 +00:00
COPYING
CREDITS
Kbuild
Kconfig
MAINTAINERS lib: introduce initial implementation of object aggregation manager 2018-11-15 14:43:43 -08:00
Makefile Linux 4.20-rc2 2018-11-11 17:12:31 -06:00
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.