On Thu, Sep 12, 2019 at 3:52 AM Toke Høiland-Jørgensen <toke@xxxxxxxxxx> wrote: > I think it would be good if you do both. I'm a bit worried that XDP > performance will end up in a "death by a thousand paper cuts" situation, > so I'd rather push back on even relatively small overheads like this; so > being able to turn it off in the config would be good. OK, thanks for the feedback. In that case, I think it's probably better to wait until we have CFI ready for upstreaming and use the same config for this one. > Can you share more details about what the "future CFI checking" is > likely to look like? Sure, I posted an overview of CFI and what we're doing in Pixel devices here: https://android-developers.googleblog.com/2018/10/control-flow-integrity-in-android-kernel.html Sami
