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* kernel: Remove CONFIG_COMPATHauke Mehrtens2019-05-111-10/+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>
* armvirt64: enable qemu drm driversLucian Cristian2019-04-181-0/+4
| | | | | | | adds the qemu video drivers and also fixes the build failure introduced with drm-kms-helper Signed-off-by: Lucian Cristian <lucian.cristian@gmail.com>
* armvirt: 32: enable CONFIG_ARM_LPAEYousong Zhou2019-02-191-2/+10
| | | | | | | | | | | | | | | | | | | | | | This is required for running armvirt_32 on QEMU 3.0 [1], otherwise the kernel will emit the following complaint and virtio-net-pci devices will fail to be initialized [ 1.124214] OF: PCI: host bridge /pcie@10000000 ranges: [ 1.125093] OF: PCI: IO 0x3eff0000..0x3effffff -> 0x00000000 [ 1.125942] OF: PCI: MEM 0x10000000..0x3efeffff -> 0x10000000 [ 1.126403] OF: PCI: MEM 0x8000000000..0xffffffffff -> 0x8000000000 [ 1.127748] pci-host-generic 4010000000.pcie: can't claim ECAM area [mem 0x10000000-0x1fffffff]: address conflict with /pcie@10000000 [mem 0x10000000-0x3efeffff] [ 1.129752] pci-host-generic: probe of 4010000000.pcie failed with error -16 Running QEMU with "-M virt,highmem=off" is an option, but "highmem" was only introduced as a default on flag since QEMU 2.5.0 and QEMU will fail and quit on encounter of unknown flags [1] Armv7 guest fails to boot with qemu-3.0.0-1, https://bugzilla.redhat.com/show_bug.cgi?id=1633328#c5 Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
* armvirt: 32: refresh kernel configYousong Zhou2019-02-191-2/+24
| | | | | | | | | | | | | | | | | | | | | | | The diff was genereated by running the following command without actually changing any kernel config options make kernel_menuconfig CONFIG_TARGET=subtarget Here are some initial findings on the change - CONFIG_ARCH_OPTIONAL_KERNEL_RWX is now arch default - CONFIG_ARM_GIC_V3_ITS is selected by CONFIG_ARCH_VIRT - CONFIG_CPU_SPECTRE is select by CONFIG_CPU_V7 - CONFIG_TIMER_OF is now a arch default - CONFIG_TIMER_PROBE is select by CONFIG_TIMER_OF The following options should probably be moved to generic config - CONFIG_MIGRATION is a default on option - CONFIG_TREE_SRCU is a default on option for !PREEMPT && SMP system - CONFIG_RCU_NEED_SEGCBLIST Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
* kernel: bump 4.14 to 4.14.77Koen Vandeputte2018-10-191-0/+1
| | | | | | | | | | | | | | | Refreshed all patches. Altered patches: - 666-Add-support-for-MAP-E-FMRs-mesh-mode.patch New symbol for arm targets: - HARDEN_BRANCH_PREDICTOR Compile-tested on: ar71xx, cns3xxx, imx6 Runtime-tested on: ar71xx, cns3xxx, imx6 Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
* kernel: enable memory compactionFelix Fietkau2018-10-091-0/+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>
* armvirt: remove linux 4.9 supportFelix Fietkau2018-09-291-180/+0
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* 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>
* 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>
* armvirt: Resync kernel configurationFlorian Fainelli2018-01-121-107/+36
| | | | | | | | The 4.14 kernel configuration defaulted to a v4/v5 multiplatform while 4.9 was using a v6/v7 default configuration. Resync 4.14 against 4.9 so they are nearly identical. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
* armvirt: re-enable VFP supportJo-Philipp Wich2018-01-101-1/+0
| | | | | | | | | | Enable CONFIG_VFP again which was disabled during the 4.9 -> 4.14 bump. Boot tested both 32 and 64 bit subtargets using initramfs images with the qemu-system-arm and qemu-system-aarch64 emulators. Fixes: aa100b66f2 ("armvirt: bump to v4.14") Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* armvirt: 64: add missing kernel config symbolsJo-Philipp Wich2018-01-101-0/+13
| | | | | Fixes: aa100b66f2 ("armvirt: bump to v4.14") Signed-off-by: Jo-Philipp Wich <jo@mein.io>
* armvirt: bump to v4.14John Crispin2018-01-092-1/+253
| | | | Signed-off-by: John Crispin <john@phrozen.org>
* kernel: move CONFIG_KASAN to generic configStijn Tintel2018-01-021-1/+0
| | | | | | | | | | 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>
* merge: targets: update image generation and targetsZoltan HERPAI2017-12-081-8/+8
| | | | Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
* armvirt: Enable CONFIG_ARM_PMUFlorian Fainelli2017-09-161-0/+1
| | | | | | | We will be prompted with this config symbol when performance monitoring is enabled in the kernel. Signed-off-by: Florian Fainelli <f.fainelli@gmail.com>
* kernel: cleanup CONFIG_SCHED_HRTICKStijn Tintel2017-06-291-1/+0
| | | | | | | Remove CONFIG_SCHED_HRTICK from target configs, as it was added to the generic config in b47fd7656336162360ebf66147326763ddae3f8d. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* armvirt: rename config-default to config-4.9Stijn Tintel2017-06-291-0/+0
| | | | | | | | The kernel configs for all targets should have the version in the filename, for clearness and consistency across all targets. It is also expected by the update_kernel.sh script. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* armvirt: 64: enable usb supportYousong Zhou2017-05-032-1/+1
| | | | | | | | | It was originally only enabled for the "32" subtarget along with the "usb" feature which is now also shared by the "64" target This should fix the phase1 build of armvirt/64 Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
* armvirt: merge arm64 as subtarget 64Yousong Zhou2017-04-238-118/+320
| | | | | | | | | | | | | | | | | | | | Original armvirt target is now subtarget 32. Other than that the built result should remain the same as before Besides old features already available with arm64, the new armvirt/64 subtarget will also have those features originally enabled for armvirt/32 with commit 44ecfc2 ("armvirt: new target") - pl011, uart - pl031, rtc - pl061, gpio - pci-host-generic - virtio_{mmio,pci,net,blk,scsi,9p,console,balloon} - smp with NR_CPUS=4 - cpu-hotplug - ext4 - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>
* armvirt: add kernel config change missing from 0d44f0cbFelix Fietkau2017-01-131-0/+1
| | | | Signed-off-by: Felix Fietkau <nbd@nbd.name>
* armvirt: enable the USB feature flagFelix Fietkau2017-01-131-1/+1
| | | | | | USB devices can be passed through from the host to the guest Signed-off-by: Felix Fietkau <nbd@nbd.name>
* armvirt: new targetYousong Zhou2016-12-166-0/+363
An ARM Cortex-A15 machine provided by QEMU. Kernel drivers enabled: - pl011, uart - pl031, rtc - pl061, gpio - pci-host-generic - virtio_{mmio,pci,net,blk,scsi,9p,console,balloon} - smp with NR_CPUS=4 - cpu-hotplug - ext4 - neon, vfp extensions support (otherwise userland will fail with illegal instruction signal (code 0x00000004)) - DEBUG_BUGVERBOSE for debug purposes Signed-off-by: Yousong Zhou <yszhou4tech@gmail.com>