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Li RongQing 6213f07cb5 virtio_net: skip RCU read lock by checking xdp_enabled of vi 
networking benchmark shows that __rcu_read_lock and
__rcu_read_unlock takes some cpu cycles, and we can avoid
calling them partially in virtio rx path by check xdp_enabled
of vi, and xdp is disabled most of time

Signed-off-by: Li RongQing <lirongqing@baidu.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
2021-10-10 11:31:09 +01:00
arch
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-10-07 15:24:06 -07:00
block
Merge tag 'block-5.15-2021-10-01' of git://git.kernel.dk/linux-block
2021-10-02 11:00:36 -07:00
certs
certs: Add support for using elliptic curve keys for signing modules
2021-08-23 19:55:42 +03:00
crypto
Merge branch 'linus' of git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6
2021-08-30 12:57:10 -07:00
Documentation
dt-bindings: net: dsa: document felix family in dsa-tag-protocol
2021-10-09 13:45:24 +01:00
drivers
virtio_net: skip RCU read lock by checking xdp_enabled of vi
2021-10-10 11:31:09 +01:00
fs
Merge tag 'nfsd-5.15-3' of git://git.kernel.org/pub/scm/linux/kernel/git/cel/linux
2021-10-07 14:11:40 -07:00
include
mlxsw: spectrum: use netif_is_macsec() instead of open code
2021-10-10 11:18:48 +01:00
init
Merge branch 'work.init' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
2021-09-24 10:18:07 -07:00
ipc
ipc: remove memcg accounting for sops objects in do_semtimedop()
2021-09-14 10:22:11 -07:00
kernel
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-10-07 15:24:06 -07:00
lib
Merge https://git.kernel.org/pub/scm/linux/kernel/git/bpf/bpf-next
2021-10-01 19:58:02 -07:00
LICENSES
LICENSES/dual/CC-BY-4.0: Git rid of "smart quotes"
2021-07-15 06:31:24 -06:00
mm
mm: fix uninitialized use in overcommit_policy_handler
2021-09-24 16:13:35 -07:00
net
net: make dev_get_port_parent_id slightly more readable
2021-10-10 11:29:14 +01:00
samples
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
2021-10-07 15:24:06 -07:00
scripts
kasan: always respect CONFIG_KASAN_STACK
2021-09-24 16:13:35 -07:00
security
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/klassert/
2021-10-07 12:44:41 +01:00
sound
ALSA: pcsp: Make hrtimer forwarding more robust
2021-09-28 10:58:08 +02:00
tools
selftests/tls: add SM4 GCM/CCM to tls selftests
2021-10-08 16:58:46 -07:00
usr
.gitignore: prefix local generated files with a slash
2021-05-02 00:43:35 +09:00
virt
KVM: Remove tlbs_dirty
2021-09-23 11:01:12 -04:00
.clang-format
clang-format: Update with the latest for_each macro list
2021-05-12 23:32:39 +02:00
.cocciconfig
scripts: add Linux .cocciconfig for coccinelle
2016-07-22 12:13:39 +02:00
.get_maintainer.ignore
Opt out of scripts/get_maintainer.pl
2019-05-16 10:53:40 -07:00
.gitattributes
.gitattributes: use 'dts' diff driver for dts files
2019-12-04 19:44:11 -08:00
.gitignore
.gitignore: ignore only top-level modules.builtin
2021-05-02 00:43:35 +09:00
.mailmap
mailmap: update email address of Matthias Fuchs and Thomas Körper
2021-08-19 09:39:44 +02:00
COPYING
COPYING: state that all contributions really are covered by this file
2020-02-10 13:32:20 -08:00
CREDITS
MAINTAINERS: Move Daniel Drake to credits
2021-09-21 08:34:58 +03:00
Kbuild
kbuild: rename hostprogs-y/always to hostprogs/always-y
2020-02-04 01:53:07 +09:00
Kconfig
kbuild: ensure full rebuild when the compiler is updated
2020-05-12 13:28:33 +09:00
MAINTAINERS
Merge tag 'armsoc-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
2021-10-07 14:01:29 -07:00
Makefile
Linux 5.15-rc4
2021-10-03 14:08:47 -07:00
README
Drop all 00-INDEX files from Documentation/
2018-09-09 15:08:58 -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.
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