flouthoc

@kolyshkin Could you please take a look again ? resolved the feedback comments and added integration tests. Also changed the approach a little bit. * Instead of invoking syscall from...

@kolyshkin Squeezed personality tests with exec integration tests, let me know if separate file needs to created.

@kolyshkin were you able to take a look at this, is there anything else with needs to be done from my side

@kolyshkin resolved all the feedback points, could you please take a look again.

@giuseppe @AkihiroSuda @kolyshkin PTAL

PS: this is already added in `crun` by @giuseppe via https://github.com/containers/crun/pull/724

@cyphar @AkihiroSuda @kolyshkin Addressed all the feedback points in latest commit. Could you please take a look again.

@kolyshkin I am using ubuntu 21.04 but `5.14` is not shipped by default but its available on kernel.ubuntu.com mainline.

@kolyshkin fair points i think we can hold on to this till kernel `5.14` and I'll confirm if this works for `v1` at all , if not i will remove...

@kolyshkin Sure makes sense lets wait for hybrid hierarchy.