Re: DSDT in initrd?

[Christian Zoz <zoz-l3A5Bk7waGM@public.gmane.org>]

On Tue, May 06, Markus Gaugusch wrote:
> On May 6, Bob Lees <bob-l+PWtdWbHAsG2Il/BtU0GPXRex20P6io@public.gmane.org> wrote:
> > Why use initrd?  Why not allow a file name to be passed to the kernel at
> > boot a la acpi=off, acpi=mydst.hex or whatever?  Put the file in the
> > /boot directory?
> I think that this is not possible. The filesystem would have to be
> accessible which is not the case at the early stage where ACPI loads
> (there could even be the case, that no interrupts are assigned yet, to use
> the scsi controller where the partition with the file is stored). Not to
> mention, that harddisk and scsi drivers are loaded much later anyway.
> The initrd is the only sane way to do this. I could also change my patch
> to accept a plain DSDT file, without my 'magic' signature, if no other
> initrd data is present.

Grub should be able to handle the file access at this stage.

-- 

ciao, christian

  --------------------------------------------------------------------
    Verglichen mit jedem x-beliebigen Redmonder Betriebssystem-Clone
    ist Linux geradezu eine leuchtende Perle der Datensicherheit.
  ------ Frank Rennemann (http://www.linux-knowledge-portal.org) -----


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