01-25-04 11:33 PM
On Mon, Jan 26, 2004 at 02:47:34PM +1000, Andrew Pollock wrote:quote:
> On Fri, Jan 23, 2004 at 07:37:52PM -0600, Chris Cheney wrote:
>
>
> Herbert's attitude that things that are currently done in kernel space tha
t
> can be done in user space instead should be done in user space is all well
> and good, I have no major problem with it, other than the fact that the
> wheel has already been invented in a lot of cases with it being done in
> kernel space, and Herbert being insistent that it be done in user space
> isn't always the most practical.
Its always been the attitude that things that can be done in userspace
should be done in userspace. Note that bootsplash isn't in the "kernel"
otherwise you wouldn't need Herbert to apply a patch. Even devfs is
going away now and being replaced by a userspace daemon, udev. Also
Caldera's gui bootup was done in userspace using a special init (iirc).
That said I would really like Debian to have a prettier bootup, I just
agree with Herbert that it should be done right. In the past it has
been done in userspace so it seems that it is possible to do it right
in userspace.
quote:
> I'd like to be able to pretty up the kernel booting experience with a
> framebuffer logo, for example, which I believe still "just works" if you
> don't modularise framebuffer support, but doesn't work if you do. Herbert'
s
> opinion (and it's fair enough) is that this should be done in user space
> (I'm not quite sure how you achieve spitting out a logo early in the boot
> process, I guess have it in the initrd), but it takes work to achieve the
> user space alternative to an already existing kernel space "feature".
Setting the kernel to boot in quiet mode would achieve that for the most
part. Displaying the logo right would probably require it being
displayed in early userspace, which although it means its not in the
kernel itself it would be in the initrd/initramfs and would still need
to be in the kernel debs. The part that displays/hides the init.d
processes loading could probably stay in normal userspace (outside of
the initrd).
If bootsplash achieves something that can't be done using a combination
of early userspace and regular userspace perhaps that part could be left
as a kernel module and sent to lkml for inclusion. If its part of the
real kernel Herbert might be persuaded to enable it.
Chris
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