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* x86: Activate CONFIG_X86_SMAPHauke Mehrtens2019-05-111-1/+1
| | | | | | | | This activates "Supervisor Mode Access Prevention". modern CPUs will prevent the kernel code from accessing any data from the userspace without the usage of copy_to_user() or copy_from_user() Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: Deactivate CONFIG_BINFMT_MISCHauke Mehrtens2019-05-111-1/+0
| | | | | | | | | | CONFIG_BINFMT_MISC allows it to add support for new executable formats to the kernel from user space, the kernel will then detect for example a java binary and call the java execution program automatically. I am not aware that this feature is used in OpenWrt and this could be used to exploit something. Deactivate it for all targets for now. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* x86: Refresh kernel 4.14 configurationHauke Mehrtens2019-01-121-2/+2
| | | | | | | | | | | | This refreshes the kernel configuration for kernel 4.14. First this was run for the legacy target: make kernel_oldconfig Then for all targets including the legacy target this was run: make kernel_oldconfig CONFIG_TARGET=subtarget The option CONFIG_104_QUAD_8 was added to the generic configuration because it would have been automatically removed. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: support gcc-optimized inlining on all architecturesFelix Fietkau2018-10-091-1/+0
| | | | | | | | 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>
* x86: add UHCI and XHCI USB host drivers to 4.14Alex Maclean2018-08-251-1/+5
| | | | | | | | | | Without UHCI a non-trivial number of machines will have no keyboard without BIOS assistance. Add XHCI as well in case there are chipsets which don't support legacy interfaces, and support PCI OHCI controllers also. Signed-off-by: Alex Maclean <monkeh@monkeh.net>
* 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>
* x86: enable microcode loading for Intel and AMDZoltan HERPAI2018-02-111-1/+4
| | | | | | Enable for 4.9 and 4.14. Signed-off-by: Zoltan HERPAI <wigyori@uid0.hu>
* x86: Add CONFIG_RETPOLINE to fix buildHauke Mehrtens2018-01-201-5/+4
| | | | | | | | | This adds support for the new configuration option CONFIG_RETPOLINE and refreshes the configuration. Fixes: d8565a06dc ("kernel: bump 4.9 to 4.9.77") Fixes: 9ddfac8015 ("kernel: bump 4.14 to 4.14.14") Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
* kernel: bump 4.14 to 4.14.11Stijn Tintel2018-01-031-2/+2
| | | | | | | | | | | | | | | Rename unwinder config symbols to match upstream changes. Refresh patches. Update patch that no longer applies: 202-reduce_module_size.patch Also enable CONFIG_PAGE_TABLE_ISOLATION. This feature was backported from 4.15 to the 4.14 stable series. It is enabled by default, so enable it in OpenWrt as well. Compile-tested on x86/64. Runtime-tested on x86/64. Signed-off-by: Stijn Tintel <stijn@linux-ipv6.be>
* kernel: move console loglevel to genericTomasz Maciej Nowak2017-12-231-1/+0
| | | | | | | 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>
* x86: Add support for kernel 4.14Hauke Mehrtens2017-12-161-0/+525
This adds basic support for kernel 4.14, this was tested in qemu only. The subtarget configuration was refresh with kernel 4.14 and the options needed to make it compile on kernel 4.9 were added manually. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
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