Re: AW: AW: [PATCH] x86: HPET force enable for Soekris net6501

[Thomas Renninger]

On Monday, February 17, 2014 10:47:50 AM H. Peter Anvin wrote:
> On 02/17/2014 10:23 AM, Thomas Renninger wrote:
> > Easiest I can think of instead of trying to modify RSDP or similar, is
> > to still pass the tables via unzipped, glued cpio which the kernel
> > can access early. The same way it is done for current ACPI table
> > overriding
> > and early microcode passing.
> 
> We shouldn't *need* an RSDP and RSDT/XSDT, though, since all they are
> are pointers to the actual tables.  Rather than hacking around it we
> should probably just fix the fundamental problem.

That is what I described.
If something similar what I wrote gets implemented, you can simply
add ACPI tables to initrd as described here:
Documentation/acpi/initrd_table_override.txt
and if BIOS already provides them they get overridden, otherwise
they get added.

     Thomas
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