On Thu, 25 May 2017 13:36:42 +1000 Balbir Singh <bsinghar...@gmail.com> wrote:
> Enable STRICT_KERNEL_RWX for PPC64/BOOK3S > > These patches enable RX mappings of kernel text. > rodata is mapped RX as well as a trade-off, there > are more details in the patch description > > As a prerequisite for R/O text, patch_instruction > is moved over to using a separate mapping that > allows write to kernel text. xmon/ftrace/kprobes > have been moved over to work with patch_instruction > I think optprobes needs to be moved over as well. I did not realize we have the optprobe_trampoline in text (yikes!!) > There are a few bug fixes, the updatepp and updateboltedpp > did not use flags as described in PAPR and the ptdump > utility ignored the first PFN > Radix support is going to be incrementally added. I would request a review of whats there. May be the bug fixes for lpar.c and dump hash page tables can go in indepedently along with the basic cleanup of kprobes. Balbir Singh.
