Roman Penyaev <rpeny...@suse.de> wrote: > epoll_create2() is needed to accept EPOLL_USERPOLL flags > and size, i.e. this patch wires up polling from userspace.
Instead of adding a new syscall, is setting size (and/or even the EPOLL_USEREPOLL flag) something that could be done via ioctl? There's no race like CLOEXEC to worry about and it's not going to be in a hot path where the extra syscall matters. glibc won't need to increase in .so size, either.
