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* kernel: Remove CONFIG_COMPATHauke Mehrtens2019-05-111-11/+0
| | | | | | | | | | | | | 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_ARM64_SW_TTBR0_PANHauke Mehrtens2019-05-111-1/+0
| | | | | | | | | | This activates "Emulate Privileged Access Never using TTBR0_EL1 switching" on ARM64. This should prevent the kernel from reading code from user space in kernel context. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: enable memory compactionFelix Fietkau2018-10-091-1/+0
| | | | | | | | | | | 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: add missing ARM64_SSBD symbolStijn Tintel2018-07-311-0/+1
| | | | | | | | | In 4.14.57, a new symbol for Spectre v4 mitigation was introduced for ARM64. Add this symbol to all ARM64 targets using kernel 4.14. This mitigates CVE-2018-3639 on ARM64. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: enable THIN_ARCHIVES by defaultSergey Ryazanov2018-05-221-1/+0
| | | | | | | | 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 Ryazanov2018-05-221-1/+0
| | | | | | | | | 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/+0
| | | | | | | | 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 Ryazanov2018-05-221-1/+0
| | | | | | | 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 Ryazanov2018-05-221-2/+0
| | | | | | | 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 Ryazanov2018-05-221-1/+0
| | | | | | | | 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>
* octeontx: make board.d files executableMathias Kresin2018-05-171-0/+0
| | | | | | | Add the executable permission to the files to ensure they run on firstboot. Signed-off-by: Mathias Kresin <dev@kresin.me>
* arm64: enable harden branch predictorMathias Kresin2018-04-271-0/+2
| | | | | | Enable the harden branch predictor for arm64 as it is recommend. Signed-off-by: Mathias Kresin <dev@kresin.me>
* octeontx: use the generic board detectionMathias Kresin2018-02-232-45/+1
| | | | | | | Use the generic board detection based on the device tree compatible string instead of a target specific one. Signed-off-by: Mathias Kresin <dev@kresin.me>
* octeontx: remove lots of bogus kernel config overridesFelix Fietkau2018-02-221-73/+3
| | | | | | Some of them break when building with all modules enabled Signed-off-by: Felix Fietkau <nbd@nbd.name>
* octeontx: remove undefs of CONFIG_NET_VENDOR_*Tim Harvey2018-02-221-52/+0
| | | | Signed-off-by: Tim Harvey <tharvey@gateworks.com>
* octeontx: remove unnecessary CONFIG_DEBUG_INFOTim Harvey2018-02-221-1/+0
| | | | | Cc: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
* octeontx: add fpu supportTim Harvey2018-02-221-1/+1
| | | | | Cc: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
* octeontx: remove CFLAGSTim Harvey2018-02-221-1/+0
| | | | | | | | You should not define CFLAGS for the toolchain as this will also leak into other targets if they share the same toolchain. Cc: Hauke Mehrtens <hauke@hauke-m.de> Signed-off-by: Tim Harvey <tharvey@gateworks.com>
* octeontx: add FAT FS support to kernelTim Harvey2018-02-221-0/+2
| | | | | | | The CN80XX Boot firmware uses an embedded FAT12 filesystem. For some reason busybox can't mount this unless its enabled static in the kernel. Signed-off-by: Tim Harvey <tharvey@gateworks.com>
* octeontx: add USB_PCI supportTim Harvey2018-02-221-3/+4
| | | | | | The CN80XX XHCI is supported through PCI Signed-off-by: Tim Harvey <tharvey@gateworks.com>
* kernel: bump 4.14 to 4.14.20Stijn Tintel2018-02-182-24/+8
| | | | | | | | | | | | | | | | Refresh patches. Remove upstreamed patches: - backport/080-v4.15-0001-arch-define-weak-abort.patch - backport/081-v4.15-0002-kernel-exit.c-export-abort-to-modules.patch Update patch that no longer applies: pending/493-ubi-set-ROOT_DEV-to-ubiblock-rootfs-if-unset.patch Fixes CVE-2017-8824. Compile-tested: octeon, x86/64. Runtime-tested: octeon, x86/64. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* octeontx: add support for OCTEON TX targetTim Harvey2018-02-138-0/+1049
The Cavium OCTEON TX is an ARM 64-bit SoC leveraging CPU cores and periperhals from the Cavium ThunderX SoC. This initial support provides a 4.14 kernel and kernel+initramfs that is bootable on the Gateworks Newport GW630x as well as the Cavium sff8104 reference board. Signed-off-by: Tim Harvey <tharvey@gateworks.com>
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