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* treewide: remove 4.19 leftoversKoen Vandeputte2019-10-081-499/+0
| | | | | | | 19.07 branch focuses on kernel 4.14 so remove all remaining 4.19 configs Signed-off-by: Koen Vandeputte <koen.vandeputte@ncentric.com>
* 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: Add support for kernel 4.19Hauke Mehrtens2019-01-121-0/+500
This adds initial support for kernel 4.19 to the x86 target. The patches and the kernel configurations were copied from kernel 4.14 and then refreshed. The legacy and the genode target will not support PAE any more because they use a CPU type which does not support PAE, the generic sub target still supports PAE. Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>