[Linaro-acpi] Touching the initrd before paging_init

G Gregory graeme.gregory at linaro.org
Sun Dec 13 14:15:07 PST 2015


On 13 December 2015 at 22:02, Jon Masters <jcm at redhat.com> wrote:
> On 12/13/2015 04:36 PM, Jon Masters wrote:
>
>> Just thinking from a parity point of view - if you can do it on x86, it should be
>> doable on ARM. But that GRUB module approach I quite like!
>
> Sorry for top post earlier. Was on my phone. In any case, it looks like
> the "acpi" command in GRUB currently does an all-or-nothing replace of
> all of the tables, not just a named table. We need to be able to
> override e.g. just an DSDT or SSDT with a replacement test one.
>
I think thats just clumsily worded documentation. The code certainly
looks like you can replace them individually.

I think its trying to say in the case RSDP,XSDT,RSDT are in ROM it
will create new ones to point to the new tables you've just imported.

I had planned to try it this week anyway.

Graeme



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