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* kernel: Remove CONFIG_COMPATHauke Mehrtens2019-05-111-0/+1
| | | | | | | | | | | | | This removes support for executing old 32 bit applications on 64 bit ARM and MIPS kernels. On OpenWrt we normally compile all the user space applications on our own and do not support third party binary only modules especial not 32 bit applications on 64 bit CPUs. This reduces the attack surface on such systems and should also save some memory. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* Kernel: Activate CONFIG_HARDENED_USERCOPYHauke Mehrtens2019-05-111-1/+2
| | | | | | | | | | | This adds additional checks to the copy_from_user() and copy_to_user() functions. The details are described in this article: https://lwn.net/Articles/695991/ This should only have a very small performance impact on system calls and should not affect routing performance. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: bump 4.9 to 4.9.169Koen Vandeputte2019-04-221-0/+2
| | | | | | | | | | | | | Refreshed all patches. New symbols: - CONFIG_LDISC_AUTOLOAD - CONFIG_PPC_BARRIER_NOSPEC Compile-tested on: ar7 Runtime-tested on: none Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
* kernel: add missing drm symbolLucian Cristian2019-04-181-0/+1
| | | | | | dependency introduced with module drm-kms-helper Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>
* generic: kernel: Add missing config optionPawel Dembicki2019-02-191-0/+1
| | | | | | | | | DRM packages break modules compilation for sunxi target, cortexa7 and cortexa8 subtargets. This patch add missing symbol to generic config. Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
* kernel: enable CONFIG_BPF_JIT by defaultTony Ambardar2019-02-111-1/+1
| | | | | | | | | | | | | | | | | | Enable the built-in BPF JIT compiler for all 4.9, 4.14 and 4.19 kernels, which should speed up cBPF and eBPF-based packet filtering (tc, iptables) and packet sniffing (libpcap, tcpdump, fwknopd, etc). This has minimal kernel size impact, increasing the size of uImage-lzma (normally ~2 MB on mips_24kc or mips64el_mips64) by 5 KB for the MIPS32 arch cBPF JIT and by 9 KB for the MIPS64 arch eBPF JIT, on kernel 4.14. With JIT enabled (cBPF only), the standard BPF test module (test_bpf.ko) running on a DIR-835 (mips_24kc) used 33 CPU seconds, but 68 without JIT. This change aligns with the notion of OpenWRT as the network go-to swiss army knife for packet handling, especially on CPU-constrained platforms. Signed-off-by: Tony Ambardar <itugrok@yahoo.com>
* kernel/modules: Fix build of kmod-pmbusHauke Mehrtens2019-01-131-1/+1
| | | | | | | | This fixes two build problems introduced with the recently added new kernel module package. Fixes: ed2839ac4190 ("kernel/modules: add kmod-pmbus-zl6100 module") Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel/modules: add kmod-pmbus-zl6100 modulePawel Dembicki2019-01-131-0/+13
| | | | | | | | | | | | This patch adds the kmod packaging for the Intersil / Zilker Labs ZL6100 and compatible digital DC-DC controllers as well as the core kernel module for the Power Management Bus. Add: kmod-pmbus-core kmod-pmbus-zl6100 Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
* kernel: Reorder configurationHauke Mehrtens2018-12-151-2/+2
| | | | | | | | | | | This reorders the generic kernel configuration files. This was done with the following commands: $ ./scripts/kconfig.pl '+' target/linux/generic/config-4.14 /dev/null > target/linux/generic/config-4.14-new $ mv target/linux/generic/config-4.14-new target/linux/generic/config-4.14 $ ./scripts/kconfig.pl '+' target/linux/generic/config-4.9 /dev/null > target/linux/generic/config-4.9-new $ mv target/linux/generic/config-4.9-new target/linux/generic/config-4.9 Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add missing symbolStijn Tintel2018-12-041-0/+1
| | | | Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: enable CONFIG_BRIDGE_VLAN_FILTERINGDaniel Golle2018-11-251-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | This allows us to use the bridge as a managed switch and gracefully handle mixed tagged and untagged frames. Prior to this, the only alternative was creating one bridge per vlan which quickly becomes a nightmare and still won't let you mix both tagged and untagged frames on the physical port without some complex ebtables magic. This is in line with the notion that OpenWRT is the network go-to swiss army knife when you need a nice set-and-forget, low maintenance box to handle a specific task. Current builds of the ip-bridge package already fully support this feature so the only requirement is enabling the kernel config. This is disabled by default so existing bridge configurations will not be affected. This patch only gives the ability to turn it on with an 'ip link' command. If there is interest, I could look into making the feature accessible via uci configuration. It causes about 3.1% hit on raw bridging speed, which is relatively trivial considering that I had to use 300 byte packets to strain the CPU enough to notice a slowdown at all. The ER8 would chug along at wire speed otherwise, and that's using only one core. Since the typical bridge use case on OpenWRT is wireless, I doubt it would be noticeable at all. With BRIDGE_VLAN_FILTERING iperf -u -c 192.168.1.105 -b 1G -l 300 ------------------------------------------------------------ Client connecting to 192.168.1.105, UDP port 5001 Sending 300 byte datagrams, IPG target: 2.24 us (kalman adjust) UDP buffer size: 208 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.12 port 58045 connected with 192.168.1.105 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 977 MBytes 820 Mbits/sec [ 3] Sent 3414986 datagrams [ 3] Server Report: [ 3] 0.0-10.0 sec 811 MBytes 680 Mbits/sec 0.000 ms 581210/3414986 (0%) Without BRIDGE_VLAN_FILTERING iperf -u -c 192.168.1.105 -b 1G -l 300 ------------------------------------------------------------ Client connecting to 192.168.1.105, UDP port 5001 Sending 300 byte datagrams, IPG target: 2.24 us (kalman adjust) UDP buffer size: 208 KByte (default) ------------------------------------------------------------ [ 3] local 192.168.1.12 port 36645 connected with 192.168.1.105 port 5001 [ ID] Interval Transfer Bandwidth [ 3] 0.0-10.0 sec 977 MBytes 820 Mbits/sec [ 3] Sent 3414990 datagrams [ 3] Server Report: [ 3] 0.0-10.0 sec 836 MBytes 701 Mbits/sec 0.000 ms 493950/3414990 (0%) In terms of kernel size, it uses 16KB (6753K vs 6737K on ER8) so a 0.002% hit. The exact 16KB is probably just due to how the kernel is compressed. Suggested-by: Jonathan Thibault <jonathan@navigue.com> Signed-off-by: Daniel Golle <daniel@makrotopia.org>
* kernel: enable memory compactionFelix Fietkau2018-10-091-1/+1
| | | | | | | | | | | Compaction is the only memory management component to form high order (larger physically contiguous) memory blocks reliably. The page allocator relies on compaction heavily and the lack of the feature can lead to unexpected OOM killer invocations for high order memory requests. You shouldn't disable this option unless there really is a strong reason for it. Signed-off-by: Felix Fietkau <nbd@nbd.name> Signed-off-by: Michal Hrusecky <michal.hrusecky@nic.cz>
* kernel: support gcc-optimized inlining on all architecturesFelix Fietkau2018-10-091-0/+1
| | | | | | | | Optimized inlining was disabled by default when gcc 4 was still relatively new. By now, all gcc versions handle this well and there seems to be no real reason to keep it x86-only. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: Add missing config options for layerscape armv7 targetHauke Mehrtens2018-09-271-0/+4
| | | | | | | | This adds some configuration options which are selectable when the layerscape armv7 target is compiled. This was found by build bot. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* config: extend small_flash featureAlex Maclean2018-07-121-1/+1
| | | | | | | | | | Extend the small_flash feature to disable swap, core dumps, and kernel debug info, and change the squashfs block size to 1024KiB. Also change squashfs fragment cache to 2 for small_flash to ease memory usage. Signed-off-by: Alex Maclean <monkeh@monkeh.net>
* kernel: only optimized for size if small_flashMathias Kresin2018-07-121-2/+0
| | | | | | | | | | | | | | | | | | | | | | | | Add a new config option to allow to select the default compile optimization level for the kernel. Select the optimization for size by default if the small_flash feature is set. Otherwise "Optimize for performance" is set. Add the small_flash feature flag to all (sub)targets which had the optimization for size in their default kernel config. Remove CC_OPTIMIZE_FOR_* symbols from all kernel configs to apply the new setting. Exceptions to the above are: - lantiq, where the optimization for size is only required for the xway_legacy subtarget but was set for the whole target - mediatek, ramips/mt7620 & ramips/mt76x8 where boards should have plenty of space and an optimization for size doesn't make much sense - rb532, which has 128MByte flash Signed-off-by: Mathias Kresin <dev@kresin.me>
* kernel: bump 4.9 to 4.9.100Koen Vandeputte2018-05-181-0/+1
| | | | | | | | | | | Refreshed all patches Added new ARM64 symbol: ARM64_ERRATUM_1024718 Compile-tested on: ar71xx Runtime-tested on: ar71xx Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
* kernel: Restrict dmesg output to root.Rosen Penev2018-04-301-1/+1
| | | | | | | | In typical OpenWrt setups, there are no other users that have a shell spawned for them by default. This can be overriden by the kernel.dmesg_output syssctl. Signed-off-by: Rosen Penev <rosenp@gmail.com>
* kernel: add missing symbolJohn Crispin2018-02-131-0/+1
| | | | Signed-off-by: John Crispin <john@phrozen.org>
* kernel: mtdsplit: Add support for D-link JBOOTPawel Dembicki2018-02-111-0/+1
| | | | | | | | | The D-Link devices with JBOOT bootloader use their own kernel image header (stag + sch2 headers). This driver find jImage header and set rootfs start after kernel file. Signed-off-by: Pawel Dembicki <paweldembicki@gmail.com>
* kernel: generic: add 4.9 config optionHans Dedecker2018-01-241-0/+1
| | | | | | | | When CGROUPS is enabled the new option CONFIG_CGROUP_NET_CLASSID is selectable and not handled. Add this option to the 4.9 kernel configuration. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* kernel: sort generic configsStijn Tintel2018-01-141-7/+7
| | | | | | Use kconfig.pl to sort the generic kernel configs. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: allow disabling multicast routing supportMatthias Schiffer2018-01-111-1/+1
| | | | | | | | Multicast routing support is not needed in most setups, and increases the size of the kernel considerably (>10K after LZMA). Add a config switch to allow disabling it. Signed-off-by: Matthias Schiffer <mschiffer@universe-factory.net>
* kernel: move CONFIG_KASAN to generic configStijn Tintel2018-01-021-0/+1
| | | | | | | | | | While bumping 4.14, the kernel build failed due to missing CONFIG_KASAN symbol. Move it to generic config instead of defining it for all arm64 and x86/64 targets. It was only added in 4.0, so not needed in config-3.18. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: generic: add some more 4.9 configure optionsHauke Mehrtens2017-12-161-0/+9
| | | | | | | These are taken from the x86 target and should make support kernel 4.9 and 4.14 in the x86 target easier. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add support for limiting 4K erase sector support based on flash chip ↵Felix Fietkau2017-11-061-0/+1
| | | | | | | | | | | | | | | | size Some targets need 4K sectors for small flash chips (e.g. some routerboards, where the entire chip is just one "erase block"), whereas on other devices 4K sectors lead to horrible flash erase/write performance. Set the default limit in the generic kernel configuration to 4 MiB to ensure that all new platforms don't use 4K sectors for bigger flash chips. On all existing targets use 16 MiB for now to avoid regressions. They will be changed individually in follow-up commits. Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: enable CONFIG_ADVISE_SYSCALLSRosen Penev2017-10-271-1/+1
| | | | | | | Without this, posix_[fm]advise does not work. This causes issues with btrfs-progs, which uses fadvise to drop caches. Signed-off-by: Rosen Penev <rosenp@gmail.com>
* kernel: add config optionHauke Mehrtens2017-10-221-0/+1
| | | | | | | | When the kmod-at91-adc package is activated for the at91 target the new option CONFIG_AT91_SAMA5D2_ADC is selectable and not handled. Add this option to the kernel 4.9 configuration. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* omap: clean up configurationHauke Mehrtens2017-10-181-0/+1
| | | | | Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Alexander Couzens <lynxis@fe80.eu>
* omap: Add support for kernel 4.9Hauke Mehrtens2017-10-181-0/+1
| | | | | | | | | | | | | | | | This adds support for kernel 4.9 and replaces the kernel 4.4 support. These are lynxis test results: panda-board a3 - works, but no network, but master/4.4 doesn't have network either. panda-board-a4 - u-boot SPL refuse to boot. beaglebone-black - works beagle-board - usb attached network doesn't come up and I doesn't have a serial around. beagle-board-xm - ToDo: image code is missing. Kernel 4.4 does not look better, so we merge this anyway. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de> Acked-by: Alexander Couzens <lynxis@fe80.eu>
* kernel: Add some more generic config optionsHauke Mehrtens2017-10-081-0/+9
| | | | | | | | These options are deactivating some kernel modules for IP blocks not uses on this SoC. I saw the same when working with the ARM64 Marvell board so it is better to move them to generic. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add missing config options for layerscape targetHauke Mehrtens2017-10-081-0/+5
| | | | | | This fixes some problems found by build bot. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add some config optionsHauke Mehrtens2017-09-181-0/+10
| | | | | | These are needed for the sunxi target. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add missing symbolsMathias Kresin2017-07-071-0/+1
| | | | | | Fixes the ramips and xburst/qi_lb60 build. Signed-off-by: Mathias Kresin <dev@kresin.me>
* kirkwood: switch to kernel 4.9Paul Wassi2017-07-041-0/+1
| | | | | | | | | | | | | | | Add patches-4.9, some of them (heavily) rewritten: - ea4500 is upstream available, keep only LEDE changes in dts - ea3500 is changed to match the structure of the upstream ea4500 dts - nsa310s rewritten to include the common dtsi - nsa325 is dropped, since already upstream Signed-off-by: Paul Wassi <p.wassi@gmx.at> Signed-off-by: Alberto Bursi <alberto.bursi@outlook.it> [refresh kernel config, add on100, use the switchdev based mv88e6171 driver for the linksys boards, keep lede specific rootfs/kernel partition names for linksys boards, reorder patches] Signed-off-by: Mathias Kresin <dev@kresin.me>
* kernel: add missing symbol to genericJonas Gorski2017-06-301-0/+1
| | | | Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
* kernel: disable various symbols for v4.9Michael Heimpold2017-06-271-0/+4
| | | | | | | In preparation for bumping mxs target to 4.9, disable a bunch of configuration symbols that provoked config prompts. Signed-off-by: Michael Heimpold <mhei@heimpold.de>
* kernel: remove CONFIG_ZONE_DMA_FLAG from 4.9Sergey Ryazanov2017-06-071-1/+0
| | | | | | There are no CONFIG_ZONE_DMA_FLAG config symbol since 4.7. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
* kernel: disable CONFIG_SG_POOL by defaultSergey Ryazanov2017-06-071-1/+1
| | | | | | | | CONFIG_SG_POOL symbol is selected only by CONFIG_SCSI, since the last one is disabled by default then disable CONFIG_SG_POOL by default too. And explicitly enable it only for platforms that use CONFIG_SCSI. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
* kernel: add CONFIG_SCHED_HRTICK=y to the generic configFelix Fietkau2017-06-071-0/+1
| | | | | | It is used by pretty much every target Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: add missing config optionsHauke Mehrtens2017-05-271-0/+3
| | | | | | | This broke the build for the x86 generic target. This was found by the build bot. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: remove out of tree direct-io disable hackFelix Fietkau2017-04-261-1/+0
| | | | | | | Direct-IO support has to be enabled for the release build anyway, so this hack is not worth keeping Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: Add various arm64-related symbolsFlorian Fainelli2017-04-111-0/+6
| | | | | | | In preparation for bumping arm64 to 4.9, add a bunch of configuration symbols that are available under arm64. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
* kernel: add arm64 erratums into configHauke Mehrtens2017-03-261-0/+13
| | | | | | | | Deactivate all the ARM64 erratums by default. The target code should activate them if needed. This fixes a problem with a new erratum added in kernel 4.9.17 breaking brcm2708. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: disable DRM_HISI_KIRIN and USB_DWC3_OF_SIMPLERafał Miłecki2017-03-221-0/+2
| | | | | | They were triggering config prompts on brcm2710. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: fix builds with kmod-drm-vc4 and CONFIG_SPI enabledRafał Miłecki2017-03-221-0/+2
| | | | | | | This fixes: Samsung LD9040 RGB/SPI panel (DRM_PANEL_SAMSUNG_LD9040) [N/m] (NEW) aborted! Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: fix builds with kmod-drm-vc4 and kmod-backlight enabledRafał Miłecki2017-03-221-0/+4
| | | | | | | This fixes: JDI LT070ME05000 WUXGA DSI panel (DRM_PANEL_JDI_LT070ME05000) [N/m/?] (NEW) aborted! Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* brcm2708: add kmod-drm-vc4 packageRafał Miłecki2017-03-211-0/+2
| | | | | | It includes vc4 driver for Broadcom VideoCore IV GPU. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: move disabling DRM symbols to the config fileRafał Miłecki2017-03-211-0/+23
| | | | | | | This is the standard way we handle this. Please note (it seems) I could drop few symbols as they are hidden under (disabled) DRM_LEGACY now. Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
* kernel: disable CONFIG_BCM_IPROC_ADC by defaultRafał Miłecki2017-03-211-0/+1
| | | | | | | This fixes compiling issue on bcm53xx target with kmod-iio-core: Broadcom IPROC ADC driver (BCM_IPROC_ADC) [N/m/?] (NEW) Signed-off-by: Rafał Miłecki <rafal@milecki.pl>
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