Jeremy Fitzhardinge wrote: > Zachary Amsden wrote: > >> I don't like this because now a kernel compiled with both CONFIG_XEN >> and CONFIG_VMI has "nosegneg" turned on. We don't actually require >> this for performance or correctness, so it would be nice to be able to >> dynamically turn it off instead of having it forced. >> > > Any suggestions about how to do this? It seems hard to have a note > dynamically appear and disappear in the vsyscall.so. > > I wasn't terribly concerned about this, since there is effectively zero > performance difference between the two library implementations. > I'm not super concerned either, but I still don't like it. There already is dynamic replacement for vsyscall.so, so you could have just dropped in an an-note-ated version. Zach