Mailinglist Archive: opensuse-kernel (59 mails)

[Takashi Iwai <tiwai@xxxxxxx>]

At Mon, 22 Jun 2009 09:12:14 +0200,
Hannes Reinecke wrote:
> Hi all,
>
> Jeff Mahoney wrote:
> > Greg KH wrote:
> > > Hi all,
> >
> > > I just now got the Moblin (2.6.29) kernel merged into the FACTORY
> > > kernel, so it should start showing up in the next few builds.
> >
> > Cool. The majority of it looks like small fixes and adding the /dev stuff.
> >
> > > It really wasn't that many changes, the real work is in the
> > > configurations.
> >
> > > So, here's what I plan on doing, and it would be great to get some
> > > feedback.
> >
> > > For Moblin, we used a PAE kernel as "kernel-default".  For FACTORY, I
> > > can't do that, and as we moved away from the -legacy to -default naming
> > > scheme, I'll change the Moblin images to use kernel-pae.
> >
> > > In the kernel-pae config, I'd like to start changing stuff to reflect
> > > the fastboot things we did for Moblin.  In the end, we were booting the
> > > kernel in less than a second on a tiny netbook, and I see no reason why
> > > we can't do the same for FACTORY and all future releases.
> >
> > > To achieve this, I'll start to change the i386/pae and x86-64/default
> > > configurations to build a whole raft of drivers into the kernel, which
> > > speeds up booting a _lot_ due to the async probing that it allows the
> > > kernel to do.
> >
> > I'm still not a fan of this, but in the absence of the ability to link
> > in modules at install time, I guess the gains outweigh the drawbacks.
> Why don't we do something about it?
>
> I've already spent some thoughts about it, and come up with two
> possibilities:
>
> - Link in modules during initrd run. Shouldn't be too hard, after all
>   that's what the kernel does nowadays during building anyway. So just
>   some linker magic and you're done.
>   Drawback is that you'd need an uncompressed kernel to start with, so
>   I'm not sure it's the right way to go

I thought we still have /boot/vmlinux-$VERSION.gz in each kernel
package.  I guess this will be kept in future, too, because it's
needed for many debug tools.


Takashi
-- 
To unsubscribe, e-mail: opensuse-kernel+unsubscribe@xxxxxxxxxxxx
For additional commands, e-mail: opensuse-kernel+help@xxxxxxxxxxxx