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Linux, the kernel, eats arguments
Nico Schottelius 2005-06-17 (Last Modified: 2005-06-17)
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If you specify

   variable=value

to the Linux kernel, the argument will NOT be passed to cinit.

Here's the relevant code block from init/main.c of the Linux kernel:

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From init(void * unused) the function run_init_process(char *init_filename)
is called, which passes argv_init (char * argv_init[MAX_INIT_ARGS+2]) to init.

First init_setup(char *str) resets all elements of the argv_init to NULL.

The function unknown_bootoption(char *param, char *val) fills the
argv_init array, but only with parameters, which have no value
(val). 

The function parse_args calls unknown_bootoption with the unknown options.

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This way the profile support in all cinit versions below cinit-0.1 will
only work if you change conf/profile, because "cprofile=value" will
not be given to cinit, because it's not treated as a command line option.

The original value "cprofile=" is replaced by "cprofile:" as of cinit-0.1.
