CONFIG_COMPAT_BRK disables the heap randomization which is only needed
for very old and ancient user space applications, I am not aware that we
run any of these, just deactivate this option for these targets to allow
heap randomization.
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
This patch is to upgrade kernel to 4.14 for layerscape.
patches-4.14 for layerscape included two categories.
- NXP Layerscape SDK kernel-4.14 patches
All patches on tag LSDK-18.09-V4.14 were ported to OpenWrt
kernel. Since there were hundreds patches, we had to make
an all-in-one patch for each IP/feature.
See below links for LSDK kernel.
https://lsdk.github.io/components.htmlhttps://source.codeaurora.org/external/qoriq/qoriq-components/linux
- Non-LSDK kernel patches
Other patches which were not in LSDK were just put in patches-4.14.
Kept below patches from patches-4.9.
303-dts-layerscape-add-traverse-ls1043.patch
821-add-esdhc-vsel-to-ls1043.patch
822-rgmii-fixed-link.patch
Renamed and rebase them as below in patches-4.14,
303-add-DTS-for-Traverse-LS1043-Boards.patch
712-sdk-dpaa-rgmii-fixed-link.patch
824-mmc-sdhci-of-esdhc-add-voltage-switch-support-for-ls.patch
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Signed-off-by: Biwen Li <biwen.li@nxp.com>
Buildbot revealed some subtargets are still missing the new symbol.
Fixes: dfbf836a52 ("kernel: bump 4.9 to 4.9.143")
Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
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>
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>
These options are handled by generic configuration
Targets that need these options should select KERNEL_DEVMEM
and/or KERNEL_DEVKMEM options on OpenWRT's config
Signed-off-by: Luis Araneda <luaraneda@gmail.com>
This patch is to remove USB configs for 32-bit device since
they're already in kmod package. Also removed TI platform
specific configs.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Disable CONFIG_PROC_PAGE_MONITOR in most places and only keep it enabled
for virtual targets such as malta or potent ones like x86.
This saves up to 4KB of uncompressed kernel size and significantly
decreases CPU load under certain workloads.
Signed-off-by: Jo-Philipp Wich <jo@mein.io>
Some new options were introduced by kernel patches.
And some options should be removed/added.
The config-4.9 should be updated accordingly.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Default profile had to enable many packages for all devices
support. This made these packages still enabled when built
for single device. This patch is to remove default profile.
For multiple devices build, it's proper to build with multiple
devices profile.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
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>
These conflict with the kmod packages (such as nf-netlink)
Signed-off-by: Mathew McBride <matt@traverse.com.au>
[Add same changes for arm8_32b subtarget and refresh config]
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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>
Layerscape uses Cortex-A53 or Cortex-A72 CPU. It's proper
to set below CPU_TYPE for 32-bit mode.
CPU_TYPE:=cortex-a15
CPU_SUBTYPE:=neon-vfpv4
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
This patch is to add linux 4.9 support for layerscape.
All these kernel patches are from NXP LSDK 1709 release.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Rename subtargets 32b/64b with armv8_32b/armv8_64b which are
more proper, and update makefile files. There also will be other
subtargets added in the future, like armv7.
Signed-off-by: Yangbo Lu <yangbo.lu@nxp.com>
Hauke Mehrtens
Biwen Li
Koen Vandeputte
Felix Fietkau
Yangbo Lu
Mathias Kresin
Luis Araneda
Jo-Philipp Wich
Mathew McBride