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Filename Latest commit message Latest commit date
Jakub Kicinski 9586274967 nfp: copy only the relevant part of the TX descriptor for frags
Chained descriptors for fragments need to duplicate all the descriptor
fields of the skb head, so we copy the descriptor and then modify the
relevant fields.  This is wasteful, because the top half of the descriptor
will get overwritten entirely while the bottom half is not modified at all.
Copy only the bottom half.  This saves us 0.3% of CPU in a GSO test.

Signed-off-by: Jakub Kicinski <jakub.kicinski@netronome.com>
Reviewed-by: Dirk van der Merwe <dirk.vandermerwe@netronome.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2018-11-30 13:30:44 -08:00
arch Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-11-28 22:10:54 -08:00
block
certs
crypto
Documentation linux-can-next-for-4.21-20181128 2018-11-28 23:18:16 -08:00
drivers nfp: copy only the relevant part of the TX descriptor for frags 2018-11-30 13:30:44 -08:00
firmware
fs for-4.20-rc4-tag 2018-11-28 08:38:20 -08:00
include tcp: md5: add tcp_md5_needed jump label 2018-11-30 13:28:03 -08:00
init
ipc
kernel Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-11-29 18:15:07 -08:00
lib Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-11-28 22:10:54 -08:00
LICENSES
mm mm/memblock.c: fix a typo in __next_mem_pfn_range() comments 2018-11-18 10:15:10 -08:00
net tcp: md5: add tcp_md5_needed jump label 2018-11-30 13:28:03 -08:00
samples samples: bpf: fix: error handling regarding kprobe_events 2018-11-23 22:39:09 +01:00
scripts scripts/spdxcheck.py: make python3 compliant 2018-11-18 10:15:10 -08:00
security selinux/stable-4.20 PR 20181115 2018-11-15 11:26:09 -06:00
sound ALSA: hda/ca0132 - fix AE-5 pincfg 2018-11-19 12:18:43 +01:00
tools Merge git://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next 2018-11-29 18:15:07 -08:00
usr
virt
.clang-format
.cocciconfig
.get_maintainer.ignore
.gitattributes
.gitignore
.mailmap
COPYING
CREDITS MAINTAINERS: change Sparse's maintainer 2018-11-25 09:17:43 -08:00
Kbuild
Kconfig
MAINTAINERS Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net 2018-11-28 22:10:54 -08:00
Makefile Linux 4.20-rc4 2018-11-25 14:19:31 -08:00
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.