svn: head/sys/i386/conf

[Maxim Sobolev]

Luigi Rizzo wrote:
> On Tue, Jan 06, 2009 at 02:02:17PM -0800, Maxim Sobolev wrote:
>> Luigi Rizzo wrote:
>>> +# through getenv() (or kenv(1) in userland). The format of the file
>>> +# is 'variable=value' , same as for hints files.
>> What do you think about extending comment with the following:
>>
>> "hints files" -> "hints or loader.conf(5) files".
> 
> i don't know -- in fact, I have a curiosity here:
> loader.conf is processed by some code in loader.4th which in turn
> is interpreted by loader.conf, and this chain does some magic
> on certain variable names (and can also do $variable expansion).
> 
> Instead, I believe that 'hints' (and presumably 'env' values) are
> passed directly to the kernel, so there are no special manipulation
> of variable names or values. Is that correct ?

That's true, however if loader doesn't have any handling logic for a 
certain valuable it simply sets kenv (aka kernel tunable). Take a look 
at the loader.conf(5) for example.

-Maxim