Merge "init.rc: set initial cpuset to all cores" am: 66f44d82 am: eb9ddd14 am: d7652f55

    # this ensures that the cpusets are present and usable, but the device's

    # init.rc must actually set the correct cpus

    mkdir /dev/cpuset/foreground

    write /dev/cpuset/foreground/cpus 0

    write /dev/cpuset/foreground/mems 0

    copy /dev/cpuset/cpus /dev/cpuset/foreground/cpus

    copy /dev/cpuset/mems /dev/cpuset/foreground/mems

    mkdir /dev/cpuset/foreground/boost

    write /dev/cpuset/foreground/boost/cpus 0

    write /dev/cpuset/foreground/boost/mems 0

    copy /dev/cpuset/cpus /dev/cpuset/foreground/boost/cpus

    copy /dev/cpuset/mems /dev/cpuset/foreground/boost/mems

    mkdir /dev/cpuset/background

    write /dev/cpuset/background/cpus 0

    write /dev/cpuset/background/mems 0

    copy /dev/cpuset/cpus /dev/cpuset/background/cpus

    copy /dev/cpuset/mems /dev/cpuset/background/mems

    # system-background is for system tasks that should only run on

    # little cores, not on bigs

    # to be used only by init, so don't change system-bg permissions

    mkdir /dev/cpuset/system-background

    write /dev/cpuset/system-background/cpus 0

    write /dev/cpuset/system-background/mems 0

    copy /dev/cpuset/cpus /dev/cpuset/system-background/cpus

    copy /dev/cpuset/mems /dev/cpuset/system-background/mems

    mkdir /dev/cpuset/top-app

    write /dev/cpuset/top-app/cpus 0

    write /dev/cpuset/top-app/mems 0

    copy /dev/cpuset/cpus /dev/cpuset/top-app/cpus

    copy /dev/cpuset/mems /dev/cpuset/top-app/mems

    # change permissions for all cpusets we'll touch at runtime

    chown system system /dev/cpuset