Messages in this thread | | | Date | Wed, 23 Apr 2014 15:51:45 -0700 | Subject | Re: [PATCH 2/2] arm: use fixmap for text patching when text is RO | From | Doug Anderson <> |
| |
Kees,
On Wed, Apr 23, 2014 at 2:09 PM, Kees Cook <keescook@chromium.org> wrote:
> I think we can use this for the kgdb case too. Has anyone tried that > yet? Perhaps implementing text_poke() in terms of patch_map/unmap > calls would be best? Then the arm-specific kgdb hooks can use that, > since it does the icache flushing separately.
Yes. I just tried using these patches and it worked for me. :) I didn't actually implement text_poke(), though.
Atop our 3.8 tree, in case anyone is curious
* https://chromium-review.googlesource.com/196670 * https://chromium-review.googlesource.com/196671 * https://chromium-review.googlesource.com/196672 * https://chromium-review.googlesource.com/196673 * https://chromium-review.googlesource.com/196674
Please include me on the CC list for spins of your patches...
-Doug
| |