On Wed 2016-03-09 18:30:17, Torsten Duwe wrote: > After the mini stack frame is no longer required for TOC storage, it can > be eliminated iff the functionality of klp_return_helper, which required > a stack frame for the extra return address previously, is carried out > by the replacement function now. This requires _every_ live patch replacement > function to execute the following (or similar) sequence of machine > instructions > just before every return to the original caller:
I have thought about it and it is a nono from my point of view. It is too error prone, especially that there are functions that call return on several locations. Best Regards, Petr _______________________________________________ Linuxppc-dev mailing list Linuxppc-dev@lists.ozlabs.org https://lists.ozlabs.org/listinfo/linuxppc-dev
