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* 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: move CONFIG_USB_MTU3 to generic configHauke Mehrtens2018-07-071-0/+1
| | | | | | | | | | | CONFIG_USB_MTU3 is not visible for the mediatek target by default, but only when CONFIG_USB_GADGET is set. This will config option will be remove with when running "make kernel_oldconfig", move this option to the generic config to prevent this. This fixes the build of the mt7623 subtarget of the mediatek target. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: disable some DRM_PANEL config optionsHauke Mehrtens2018-07-071-0/+2
| | | | | | | The modules should not be build by default. This fixes the build of the zynq target. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: enable THIN_ARCHIVES by defaultSergey Ryazanov2018-05-221-0/+1
| | | | | | | | THIN_ARCHIVES option is enabled by default in the kernel configuration and no one target config disables it. So enable it by default and remove this symbol from target specific configs to keep them light. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
* kernel: enable FUTEX_PI by defaultSergey Ryazanov2018-05-221-0/+1
| | | | | | | | | New FUTEX_PI configuration symbol enabled if FUTEX and RT_MUTEX symbols are enabled. Both of these symbols are enabled by default in the generic config, so enable FUTEX_PI by default too to keep platform specific configs minimal. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
* kernel: enable EXPORTFS by defaultSergey Ryazanov2018-05-221-1/+1
| | | | | | | | OVERLAY_FS config symbol selects EXPORTFS since 4.12 kernel, we have OVERLAY_FS enabled by default, so enable EXPORTFS in the generic config of 4.14 and remove this option from platform specific configs. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
* kernel: disable DRM_LIB_RANDOM by defaultSergey Ryazanov2018-05-221-0/+1
| | | | | | | DRM_LIB_RANDOM config symbol selected only by DRM_DEBUG_MM_SELFTEST which is disable by default, so disable DRM_LIB_RANDOM by default too. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
* kernel: disable DMA_{NOOP|VIRT}_OPS by defaultSergey Ryazanov2018-05-221-0/+2
| | | | | | | These options do not used by any supported arch, so disable them by default to make arch configs a bit more clean. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
* kernel: disable ARCH_WANTS_THP_SWAP by defaultSergey Ryazanov2018-05-221-0/+1
| | | | | | | | Only one arch (x86_64) enables this option. So disable ARCH_WANTS_THP_SWAP by default and remove referencies to it from all configs (except x86_64) to make them clean. Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>
* kernel: bump 4.14 to 4.14.41Koen Vandeputte2018-05-181-0/+1
| | | | | | | | | | | | | | | | | | | | | Refreshed all patches Dropped upstreamed patches: 522-PCI-aardvark-fix-logic-in-PCI-configuration-read-write-functions.patch 523-PCI-aardvark-set-PIO_ADDR_LS-correctly-in-advk_pcie_rd_conf.patch 525-PCI-aardvark-use-isr1-instead-of-isr0-interrupt-in-legacy-irq-mode.patch 527-PCI-aardvark-fix-PCIe-max-read-request-size-setting.patch updated patches: 524-PCI-aardvark-set-host-and-device-to-the-same-MAX-payload-size.patch 030-USB-serial-option-fix-dwm-158-3g-modem-interface.patch Added new ARM64 symbol: CONFIG_ARM64_ERRATUM_1024718 Compile-tested on: cns3xxx, imx6, mvebu (arm64), x86_64 Runtime-tested on: cns3xxx, imx6, x86_64 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>
* arm64: enable harden branch predictorMathias Kresin2018-04-271-2/+0
| | | | | | Enable the harden branch predictor for arm64 as it is recommend. Signed-off-by: Mathias Kresin <dev@kresin.me>
* kernel: add missing config optionHauke Mehrtens2018-03-301-0/+1
| | | | | | | | | CONFIG_NVMEM_BCM_OCOTP was added in kernel 4.10 and it is possible to activate it on the bcm53xx target. Deactivate it by default to fix the build of the bcm53xx target. This was found by build bot. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: generic: Add kernel configuration optionsHauke Mehrtens2018-03-021-1/+10
| | | | | | These options are needed for the mvebu arm64 target. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: generic: Move config option to genericHauke Mehrtens2018-03-021-0/+1
| | | | | | | This is deactivated in all targets using the DSA switch driver with kernel 4.14. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: generic: add 4.14 config optionHans Dedecker2018-02-261-0/+1
| | | | | | | | When CGROUPS is enabled the new option CONFIG_CGROUP_NET_CLASSID is selectable and not handled. Add this option to the 4.14 kernel configuration. Signed-off-by: Hans Dedecker <dedeckeh@gmail.com>
* kernel: optimize for performance by default starting with 4.14Felix Fietkau2018-02-241-2/+2
| | | | | | Keep size optimizations for smaller targets that already switched Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: add missing symbolTim Harvey2018-02-221-0/+1
| | | | Signed-off-by: Tim Harvey <tharvey@gateworks.com>
* kernel: backport netfilter NAT offload support to 4.14Felix Fietkau2018-02-211-0/+2
| | | | | | | | | This only works with nftables for now, iptables support will be added later. Includes a number of related upstream nftables improvements to simplify backporting follow-up changes Signed-off-by: John Crispin <john@phrozen.org> Signed-off-by: Felix Fietkau <nbd@nbd.name>
* kernel: add missing symbols for v4.14John Crispin2018-02-191-0/+2
| | | | Signed-off-by: John Crispin <john@phrozen.org>
* kernel: add missing config symbolsStijn Tintel2018-02-181-0/+2
| | | | | | | | They were introduced for arm64 in 4.14.20. Fixes: 88ba41453dbc ("kernel: bump 4.14 to 4.14.20") Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: add missing symbolJohn Crispin2018-02-181-0/+1
| | | | | | this caused v4.14.20 based builds so fail on aarch64 Signed-off-by: John Crispin <john@phrozen.org>
* kernel: add missing symbolsJohn Crispin2018-02-161-0/+1
| | | | | | These cause mediatek arm to fail full builds Signed-off-by: John Crispin <john@phrozen.org>
* kernel: ubifs: create use file system format 4 by defaultHauke Mehrtens2018-02-131-0/+1
| | | | | | | | | | | | | | | | | | | Instead of creating an ubifs file system with format version 5 by default on empty UBI volumes use the older format 4 by default. This will make it possible to mount these file systems also on older kernel versions. When a user wants to do a sysupgrade from kernel 4.14 to kernel 4.9 the old kernel has to read the file system created by the more recent kernel which currently does not work for ubifs. This fixes the problem by creating file systems which are compatible with older kernel versions by default. Kernel 4.14 will still be able to read and write UBI FS file system version 5, it will just not be used when a ubifs partition is created implicitly on an empty UBI volume. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: Add missing config optionsHauke Mehrtens2018-02-131-0/+5
| | | | | | These were found when compiling the new octeontx target. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add missing symbolJohn Crispin2018-02-131-0/+1
| | | | Signed-off-by: John Crispin <john@phrozen.org>
* kernel: add missing symbol for v4.14John 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: rename CONFIG_TRACE_ENUM_MAP_FILE to CONFIG_TRACE_EVAL_MAP_FILEHauke Mehrtens2018-02-101-1/+1
| | | | | | | | This config option was renamed in upstream Linux commit 681bec0367 ("tracing: Rename update the enum_map file") Reported-by: Rosen Penev <rosenp@gmail.com> Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: add missing config symbolStijn Tintel2018-01-141-0/+1
| | | | | | | The KEXEC_FILE symbol exists for X86 since kernel 3.17, and since 4.10 for PPC64. Add it to x86/config-4.9 and to generic/config-4.14. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: add missing DRM symbols to generic configStijn Tintel2018-01-141-0/+8
| | | | | | | Several new DRM symbols that were introduced after 4.9 are missing in the generic config for 4.14, so add them. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: sort generic configsStijn Tintel2018-01-141-20/+20
| | | | | | Use kconfig.pl to sort the generic kernel configs. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: move DRM_DEBUG_* symbols to generic configStijn Tintel2018-01-141-0/+2
| | | | | | | | | | While working on a new target (meson), the kernel build failed due to missing DRM_DEBUG_MM_SELFTEST symbol. This can potentially happen on all targets that enable DRM drivers in the kernel config or via kmod packages, so add it to the generic config and remove it from x86 subtarget configs, together with DRM_DEBUG_MM. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: Add a bunch of missing symbolsFlorian Fainelli2018-01-121-0/+6
| | | | | | | | Add a bunch of missing configuration symbols found while building armvirt for 4.14 after re-synchronization of the configuration between 4.9 and 4.14. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
* 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: move console loglevel to genericTomasz Maciej Nowak2017-12-231-0/+1
| | | | | | | Move CONFIG_CONSOLE_LOGLEVEL_DEFAULT=7 to generic, to make it consistent across all targets. Signed-off-by: Tomasz Maciej Nowak <tomek_n@o2.pl>
* kernel: add missing config symbols for 4.14Stijn Tintel2017-12-211-0/+4
| | | | Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: generic: Add kernel 4.14 supportHauke Mehrtens2017-12-161-0/+5591
This adds initial support for kernel 4.14 based on the patches for kernel 4.9. In the configuration I deactivated some of the new possible security features like: CONFIG_REFCOUNT_FULL CONFIG_SLAB_FREELIST_HARDENED CONFIG_SOFTLOCKUP_DETECTOR CONFIG_WARN_ALL_UNSEEDED_RANDOM And these overlay FS options are also deactivated: CONFIG_OVERLAY_FS_INDEX CONFIG_OVERLAY_FS_REDIRECT_DIR I activated this: CONFIG_FORTIFY_SOURCE CONFIG_POSIX_TIMERS CONFIG_SLAB_MERGE_DEFAULT CONFIG_WATCHDOG_HANDLE_BOOT_ENABLED I am not sure if I did the porting correct for the following patches: target/linux/generic/backport-4.14/020-backport_netfilter_rtcache.patch target/linux/generic/hack-4.14/220-gc_sections.patch target/linux/generic/hack-4.14/321-powerpc_crtsavres_prereq.patch target/linux/generic/pending-4.14/305-mips_module_reloc.patch target/linux/generic/pending-4.14/611-netfilter_match_bypass_default_table.patch target/linux/generic/pending-4.14/680-NET-skip-GRO-for-foreign-MAC-addresses.patch Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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