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Commit f429d378 authored by Tim Murray's avatar Tim Murray
Browse files

Reorder init.rc to avoid a kernel warning. 

3.18 has a warning in dmesg that appears when the parent cpuset's cpus
and mems are changed to something other than what the child has. Reorder
init.rc to prevent this warning from appearing.

bug 24941443

Change-Id: I49d8394063b23dce03222dcc9ddccdc32bb97ea2
parent 08cf0e55

rootdir/init.rc

+13 −9
Original line number Diff line number Diff line
@@ -140,23 +140,27 @@ on init 
    # sets up initial cpusets for ActivityManager

    mkdir /dev/cpuset

    mount cpuset none /dev/cpuset



    # 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

    mkdir /dev/cpuset/foreground/boost

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

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

    mkdir /dev/cpuset/background

    write /dev/cpuset/background/cpus 0

    write /dev/cpuset/background/mems 0



    # 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 the permissions

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

    mkdir /dev/cpuset/system-background

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

    # init.rc must actually set the correct cpus

    write /dev/cpuset/foreground/cpus 0

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

    write /dev/cpuset/background/cpus 0

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

    write /dev/cpuset/foreground/mems 0

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

    write /dev/cpuset/background/mems 0

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



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

    chown system system /dev/cpuset

    chown system system /dev/cpuset/foreground

    chown system system /dev/cpuset/foreground/boost