Hi Pantelis,
On Thu, May 15, 2014 at 9:12 AM, Pantelis Antoniou
<pantelis.anton...@konsulko.com> wrote:
>> We also need to think about kexec. Kexec works by sucking the live tree
>> out of the kernel and creating a .dtb from it to pass to the new kernel.
>> What will the rules be when kexecing? Do all the overlays need to be
>> removed, or does the kernel get the tree with all the overlays applied
>> (in which case none of the overlays can be removed on the other side of
>> kexec).
>
> We can add a sysfs attribute that configures whether overlays are reverted
> before
> kexec or not. I can't really tell which is the correct option, so let's allow
> the
> policy up to user-space.
Kexec'ing into a new kernel doesn't change the hardware, so IMHO the
in-kernel DT should not change.
Gr{oetje,eeting}s,
Geert
--
Geert Uytterhoeven -- There's lots of Linux beyond ia32 -- ge...@linux-m68k.org
In personal conversations with technical people, I call myself a hacker. But
when I'm talking to journalists I just say "programmer" or something like that.
-- Linus Torvalds
--
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majord...@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/
