Robuta

https://lwn.net/Articles/700974/ leds: Introduce userspace leds driver [LWN.net] userspace driver leds introduce lwn https://lwn.net/Articles/895528/ ubd: add io_uring based userspace block driver [LWN.net] io uring block driver ubd add based https://mail-archive.com/qemu-devel@nongnu.org/msg1109929.html Re: [PATCH v5 0/3] Enable QEMU NVMe userspace driver on s390x re patch 0 3