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Wei Fang 84a1094719 net: fec: use netdev_err_once() instead of netdev_err() 
In the case of heavy XDP traffic to be transmitted, the console
will print the error log continuously if there are lack of enough
BDs to accommodate the frames. The log looks like below.

[  160.013112] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[  160.023116] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[  160.028926] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[  160.038946] fec 30be0000.ethernet eth0: NOT enough BD for SG!
[  160.044758] fec 30be0000.ethernet eth0: NOT enough BD for SG!

Not only will this log be replicated and redundant, it will also
degrade XDP performance. So we use netdev_err_once() instead of
netdev_err() now.

Fixes: 6d6b39f180 ("net: fec: add initial XDP support")
Signed-off-by: Wei Fang <wei.fang@nxp.com>
Signed-off-by: Paolo Abeni <pabeni@redhat.com>
2023-07-11 10:00:49 +02:00
arch parisc architecture fixes and updates for kernel v6.5-rc1 (pt 2): 2023-07-05 10:28:38 -07:00
block block-6.5-2023-07-03 2023-07-03 18:48:38 -07:00
certs KEYS: Add missing function documentation 2023-04-24 16:15:52 +03:00
crypto This update includes the following changes: 2023-06-30 21:27:13 -07:00
Documentation Including fixes from bluetooth, bpf and wireguard. 2023-07-05 15:44:45 -07:00
drivers net: fec: use netdev_err_once() instead of netdev_err() 2023-07-11 10:00:49 +02:00
fs f2fs update for 6.5-rc1 2023-07-05 14:14:37 -07:00
include s390/ism: Fix and simplify add()/remove() callback handling 2023-07-08 10:07:14 +01:00
init Kbuild updates for v6.5 2023-07-01 09:24:31 -07:00
io_uring io_uring-6.5-2023-07-03 2023-07-03 18:43:10 -07:00
ipc Merge branch 'work.namespace' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2023-02-24 19:20:07 -08:00
kernel Including fixes from bluetooth, bpf and wireguard. 2023-07-05 15:44:45 -07:00
lib Char/Misc and other driver subsystem updates for 6.5-rc1 2023-07-03 12:46:47 -07:00
LICENSES LICENSES: Add the copyleft-next-0.3.1 license 2022-11-08 15:44:01 +01:00
mm gup: make the stack expansion warning a bit more targeted 2023-07-05 09:33:31 -07:00
net net: sched: Replace strlcpy with strscpy 2023-07-10 08:23:53 +01:00
rust rust: error: impl Debug for Error with errname() integration 2023-06-13 01:24:42 +02:00
samples Including fixes from bluetooth, bpf and wireguard. 2023-07-05 15:44:45 -07:00
scripts parisc architecture fixes and updates for kernel v6.5-rc1 (pt 2): 2023-07-05 10:28:38 -07:00
security Scope-based Resource Management infrastructure 2023-07-04 13:50:38 -07:00
sound soundwire updates for 6.5 2023-07-05 10:54:43 -07:00
tools Including fixes from bluetooth, bpf and wireguard. 2023-07-05 15:44:45 -07:00
usr initramfs: Encode dependency on KBUILD_BUILD_TIMESTAMP 2023-06-06 17:54:49 +09:00
virt ARM64: 2023-07-03 15:32:22 -07:00
.clang-format iommu: Add for_each_group_device() 2023-05-23 08:15:51 +02:00
.cocciconfig scripts: add Linux .cocciconfig for coccinelle 2016-07-22 12:13:39 +02:00
.get_maintainer.ignore get_maintainer: add Alan to .get_maintainer.ignore 2022-08-20 15:17:44 -07:00
.gitattributes .gitattributes: set diff driver for Rust source code files 2023-05-31 17:48:25 +02:00
.gitignore Revert ".gitignore: ignore *.cover and *.mbx" 2023-07-04 15:05:12 -07:00
.mailmap - New Drivers 2023-07-03 10:55:04 -07:00
.rustfmt.toml rust: add .rustfmt.toml 2022-09-28 09:02:20 +02:00
COPYING COPYING: state that all contributions really are covered by this file 2020-02-10 13:32:20 -08:00
CREDITS - Address -Wmissing-prototype warnings 2023-06-26 16:43:54 -07:00
Kbuild Kbuild updates for v6.1 2022-10-10 12:00:45 -07:00
Kconfig kbuild: ensure full rebuild when the compiler is updated 2020-05-12 13:28:33 +09:00
MAINTAINERS pwm: Changes for v6.5-rc1 2023-07-05 12:55:06 -07:00
Makefile Scope-based Resource Management infrastructure 2023-07-04 13:50:38 -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.