* remotes/riku/linux-user-for-upstream:
linux-user: support the SIOCGIFINDEX ioctl
linux-user: support the KDSIGACCEPT ioctl
linux-user: allow NULL tv argument for settimeofday
linux-user: respect timezone for settimeofday
linux-user: fix struct target_epoll_event layout for MIPS
linux-user: support strace of epoll_create1
linux-user: allow NULL arguments to mount
linux-user: support SO_PASSSEC setsockopt option
linux-user: support SO_{SND, RCV}BUFFORCE setsockopt options
linux-user: support SO_ACCEPTCONN getsockopt option
linux-user: translate the result of getsockopt SO_TYPE
linux-user: added fake open() for /proc/self/cmdline
Add support for MAP_NORESERVE mmap flag.
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>