87189b7895
Some processes, such as systemd, are only polling for EPOLLERR|EPOLLHUP. As drm_file uses unkeyed wakeups, such a poll receives many spurious wakeups from uninteresting events. Use keyed wakeups to allow the wakeup target to more efficiently discard these uninteresting events. Signed-off-by: Kenny Levinsen <kl@kl.wtf> Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch> Link: https://patchwork.freedesktop.org/patch/msgid/20200424145103.3048-1-kl@kl.wtf