Re: Power usage Q and parallel make question (separate issues)

[Keith Owens]

On Thu, 01 Feb 2001 00:13:17 -0800, 
LA Walsh <[e-mail]> wrote:
>Keith Owens wrote:
>> It works, until somebody does this
>> 
>>  make -j 4 modules modules_install
>---
>	But that doesn't work now.  

Agreed, but letting modules_install parallel run increases the risk of
somebody doing that.  Most users will think that they can combine two
parallel runs into a single command, but if they are forced to single
thread modules_install it reduces the risk of user error.

>	A bit of documentation at the beginning of the Makefile would do wonders
>for kernel-developer (not end user, please!) clarity.  I've oft'asked the question
>as to what really is supported.  I've tried things like make dep bzImage modules --
>I noticed it didn't work fairly quickly.  Same with modules/modules_install -- 
>people would probably figure that one out, but just a bit of documentation would
>help even that.  

The 2.5 kbuild system will be fully documented, all the way from
reasons for doing things down to how they are down.  Trust me on this!
I have had too many problems with undocumented changes in kbuild.