linux-kernel - Re: is it desirable to improve the build system?

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Message-ID: <20130702145135.GA975@kroah.com>
Date:	Tue, 2 Jul 2013 07:51:35 -0700
From:	Greg KH <gregkh@...uxfoundation.org>
To:	Mark Galeck <mark_galeck@...bell.net>
Cc:	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: is it desirable to improve the build system?

On Tue, Jul 02, 2013 at 01:46:45AM -0700, Mark Galeck wrote:
> >> Linux kernel build, while correct, is somewhat slow, and the sources
> 
> >> could be more readable.
> 
> Greg wrote:
> >How is it "slow"?  
> 
> Well, the proportion of time spent by the CPU cores on activities
> other than compiling seemed high.

Really?  What is that proportion?

> >What "sources" are you referring to as being not readable?
> 
> Not "not readable at all", just "could be made more readable" - the
> main Makefile and other main Make files; it seemed that one reason,
> IMHO, was not enough comments. 

Everyone always wants more comments :)

Have you read the documentation about the build system that we have in
the kernel Documentation/ directory?

There is also a mailing list just for the build system as well, see the
MAINTAINERS file for details.

greg k-h
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