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    Subject[PATCH 01/11] init: trivial tweaks to initcall_levels
    Date
    From: Jim Cromie <jim.cromie@gmail.com>

    add a pr_info to print current level and level_name of initcall,
    and number of registered initcalls at that level. This adds 7
    lines to dmesg output, like:
    initlevel:6=device, 172 registered initcalls

    Drop "parameters" from initcall_level_names[], it can be added
    back in the printk where it clarifies things.

    Signed-off-by: Jim Cromie <jim.cromie@gmail.com>
    ---
    init/main.c | 25 +++++++++++++++----------
    1 files changed, 15 insertions(+), 10 deletions(-)

    diff --git a/init/main.c b/init/main.c
    index d595751..deee88f 100644
    --- a/init/main.c
    +++ b/init/main.c
    @@ -723,14 +723,14 @@ static initcall_t *initcall_levels[] __initdata = {
    };

    static char *initcall_level_names[] __initdata = {
    - "early parameters",
    - "core parameters",
    - "postcore parameters",
    - "arch parameters",
    - "subsys parameters",
    - "fs parameters",
    - "device parameters",
    - "late parameters",
    + "early",
    + "core",
    + "postcore",
    + "arch",
    + "subsys",
    + "fs",
    + "device",
    + "late",
    };

    static int __init ignore_unknown_bootoption(char *param, char *val)
    @@ -748,7 +748,7 @@ static void __init do_initcall_level(int level)
    static_command_line, __start___param,
    __stop___param - __start___param,
    level, level,
    - ignore_unknown_bootoption);
    + &ignore_unknown_bootoption);

    for (fn = initcall_levels[level]; fn < initcall_levels[level+1]; fn++)
    do_one_initcall(*fn);
    @@ -758,8 +758,13 @@ static void __init do_initcalls(void)
    {
    int level;

    - for (level = 0; level < ARRAY_SIZE(initcall_levels) - 1; level++)
    + for (level = 0; level < ARRAY_SIZE(initcall_levels) - 1; level++) {
    + pr_info("initlevel:%d=%s, %d registered initcalls\n",
    + level, initcall_level_names[level],
    + (int) (initcall_levels[level+1]
    + - initcall_levels[level]));
    do_initcall_level(level);
    + }
    }

    /*
    --
    1.7.7.6


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