linux-kernel - Re: Linux 2.6.32-rc3

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Message-ID: <20091006192242.GC7010@mail.oracle.com>
Date:	Tue, 6 Oct 2009 12:22:43 -0700
From:	Joel Becker <Joel.Becker@...cle.com>
To:	Linus Torvalds <torvalds@...ux-foundation.org>
Cc:	Ingo Molnar <mingo@...e.hu>, Dirk Hohndel <hohndel@...radead.org>,
	Len Brown <lenb@...nel.org>,
	Linux Kernel Mailing List <linux-kernel@...r.kernel.org>
Subject: Re: Linux 2.6.32-rc3

On Tue, Oct 06, 2009 at 09:31:03AM -0700, Linus Torvalds wrote:
> On Tue, 6 Oct 2009, Linus Torvalds wrote:
> > 
> > Unless:
> > 
> > > _That_ i think is a lot harder to confuse with the real .31 than a 
> > > v2.6.31-1234-g16123c4 version string.
> > 
> > .. are you saying that it would be just some automatically generated 
> > thing, just a crippled form of CONFIG_LOCALVERSION_AUTO? Kind of a 
> > CONFIG_LOCALVERSION_AUTO_SHORTFORM?
> 
> So how about this?
> 
> It changes how CONFIG_LOCALVERSION_AUTO works, in the following trivial 
> way:
> 
>  - if it is set, things work the way they always have, and you get a 
>    extended kernel release like
> 
> 	2.6.32-rc3-00052-g0eca52a-dirty
> 
>  - but if it is _not_ set, we'll still try to get a version from the 
>    underlying SCM (we actually support git, hg and SVN right now, even if 
>    some comments may say "git only"), and if the underlying SCM says it 
>    has a local version, we append just "+", so you get a version number 
>    like
> 
> 	2.6.32-rc3+

	I really like this, because I don't want to see
LOCALVERSION_AUTO forced on.  While I like LOCALVERSION_AUTO in theory,
in practice it means that a one-line commit forces me to install an
entirely new /lib/modules directory.  On many of my test machines this
fills up quickly.  So I turn of LOCALVERSION_AUTO and just set a manual
LOCALVERSION.

Joel

-- 

Life's Little Instruction Book #356

	"Be there when people need you."

Joel Becker
Principal Software Developer
Oracle
E-mail: joel.becker@...cle.com
Phone: (650) 506-8127
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