how to increase kernel debug level from 4 to 10 at the boot time ?

["Alex" <pevnev@xxxxxxxx>]

Hi,

How to increase kernel debug level from 4 to 10 at the boot time ?

What CONFIG_DEBUG_KERNEL do if set to "y" ?

I see in init/main.c the following functions:

static int __init debug_kernel(char *str)
{
        if (*str)
                return 0;
        console_loglevel = 10;
        return 1;
}

static int __init quiet_kernel(char *str)
{
        if (*str)
                return 0;
        console_loglevel = 4;
        return 1;
}

__setup("debug", debug_kernel);
__setup("quiet", quiet_kernel);

Are those functions to be called "manually" (where ?) or 
they get called "automatically" upon setting CONFIG_DEBUG_KERNEL to "y" in .config ?

Thanks !



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