Re: [PATCH] Linux 3.8-merge version information

[Pavel Machek <pavel@ucw.cz>]

Hi!

On Tue 2012-12-11 10:57:21, Linus Torvalds wrote:
> On Tue, Dec 11, 2012 at 5:06 AM, Oliver Hartkopp <socketcan@hartkopp.net> wrote:
> > As the automatically generated git version information is misleading in the
> > merge window, name the kernel in the merge window as 3.8-merge .
> 
> This really doesn't help.

Well, I'd say it helps in the common case.

> 90% of the commits during the merge window wouldn't be based on that
> Makefile change anyway, but on some much older version. So when
> bisecting, for example, you'll see Makefiles with much older version
> numbers, even though the commits got merged into the 3.8 merge
> window.

No, it does not solve bisect, but at least you get something
reasonable in the boot menu...?

> Also, we have code to generate the version number automatically. In
> particular, I encourage people to use git trees and
> CONFIG_LOCALVERSION_AUTO=y, because then your /var/log/messages (and
> uname -r) will contain the exact git version of your kernel. So when
> you see something like
> 
>     Linux version 3.7.0-rc8-00041-gcaf491916b1c

Problem is that CONFIG_LOCALVERSION_AUTO adds a lot of time to
build. Like... making "empty" build twice as slow.

									Pavel
-- 
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