Re: Appending '+' to version, since 2.6.35-rc2

From: Mark Hills
Date: Mon Jun 14 2010 - 03:38:35 EST


On Mon, 14 Jun 2010, Alexey Dobriyan wrote:

> On Sun, Jun 13, 2010 at 08:01:26PM +0100, Mark Hills wrote:
> > Commit 85a256d adds a new feature:
> >
> > [...] When CONFIG_LOCALVERSION_AUTO is not enabled, a `+' is appended
> > to the kernel version to represent that the kernel has been revised
> > since the last release unless "make LOCALVERSION=" was used to uniquely
> > identify the build.
> >
> > I'm finding this inconvenient for 'casual' kernel development.
> >
> > For example, my usual workflow goes something like:
> >
> > 1) find something I suspect is a bug
> > 2) upgrade to the latest stable or -rc kernel, to confirm
> > 3) experiment with patch to fix it
> >
> > Since 2.6.35-rc2, going from step 2 to 3 causes the version of the kernel
> > to change: forcing time-consuming rebuilds,
>
> init/version.c
> kernel/configs.c
> + whatever patch has changed
> + vmlinux 2 or 3 times
>
> That's not time consuming.

There is also the modpost step, which is most time consuming.

>
> > installing modules, and manual
> > changes associated with a new version number; eg. updating the lilo/grub
> > config, or the distribution's initrd.
>

--
Mark
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