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Tony Ambardar a4856dab0d kernel: mips: restore missing MIPS32 cBPF JIT 
Kernel v5.1 included an eBPF JIT for MIPS32 kernels, but problems were
discovered [1] and the changes later reverted in kernel v5.5 with commits:

  * f8fffebdea75 ("MIPS: BPF: Disable MIPS32 eBPF JIT")
  * 36366e367ee9 ("MIPS: BPF: Restore MIPS32 cBPF JIT")

Only the first of these was backported to LTS kernel 5.4, leaving cBPF
programs without a JIT and introducing a performance regression for any
such users e.g. libpcap, tcpdump, etc.

Restore cBPF performance by backporting the second commit above:
  * 070-v5.5-MIPS-BPF-Restore-MIPS32-cBPF-JIT.patch

[1] https://lore.kernel.org/bpf/20191205182318.2761605-1-paulburton@kernel.org/

Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
2020-07-31 13:42:14 +01:00
.github build: Update README & github help 2018-07-08 09:41:53 +01:00
config build: add option to mark devices as BROKEN 2020-07-30 21:49:07 +02:00
include base-files: fwtool: make compat_version backward compatible 2020-07-31 11:40:15 +02:00
package hostapd: reorganize config selection hierarchy for WPA3 2020-07-31 11:40:15 +02:00
scripts build: add option to mark devices as BROKEN 2020-07-30 21:49:07 +02:00
target kernel: mips: restore missing MIPS32 cBPF JIT 2020-07-31 13:42:14 +01:00
toolchain toolchain: add PKG_RELEASE if local files 2020-07-29 17:13:51 +02:00
tools tools/mkimage: create .itb file with read-access for group,other not just owner. 2020-07-23 14:25:10 -04:00
.gitattributes add .gitattributes to prevent the git autocrlf option from messing with CRLF/LF in files 2012-05-08 13:30:49 +00:00
.gitignore build: improve ccache support 2020-07-11 15:19:53 +02:00
BSDmakefile add missing copyright header 2007-02-26 01:05:09 +00:00
Config.in merge: base: update base-files and basic config 2017-12-08 19:41:18 +01:00
feeds.conf.default feeds: add freifunk feed 2020-06-24 14:58:17 +02:00
LICENSE finally move buildroot-ng to trunk 2016-03-20 17:29:15 +01:00
Makefile build: improve ccache support 2020-07-11 15:19:53 +02:00
README build: switch to Python 3 2019-07-26 08:09:16 +02:00
rules.mk build: improve ccache support 2020-07-11 15:19:53 +02:00

README 

  _______                     ________        __
 |       |.-----.-----.-----.|  |  |  |.----.|  |_
 |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
 |_______||   __|_____|__|__||________||__|  |____|
          |__| W I R E L E S S   F R E E D O M
 -----------------------------------------------------

This is the buildsystem for the OpenWrt Linux distribution.

To build your own firmware you need a Linux, BSD or MacOSX system (case
sensitive filesystem required). Cygwin is unsupported because of the lack
of a case sensitive file system.

You need gcc, binutils, bzip2, flex, python3.5+, perl, make, find, grep, diff,
unzip, gawk, getopt, subversion, libz-dev and libc headers installed.

1. Run "./scripts/feeds update -a" to obtain all the latest package definitions
defined in feeds.conf / feeds.conf.default

2. Run "./scripts/feeds install -a" to install symlinks for all obtained
packages into package/feeds/

3. Run "make menuconfig" to select your preferred configuration for the
toolchain, target system & firmware packages.

4. Run "make" to build your firmware. This will download all sources, build
the cross-compile toolchain and then cross-compile the Linux kernel & all
chosen applications for your target system.

Sunshine!
	Your OpenWrt Community
	http://www.openwrt.org