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SubjectRe: [PATCH] ACPI: Implement overriding of arbitrary ACPI tables via initrd
Date
On Friday 23 March 2012 21:05:46 H. Peter Anvin wrote:
> On 03/23/2012 07:29 AM, Thomas Renninger wrote:
> > Details can be found in:
> > Documentation/acpi/initrd_table_override.txt
>
> I did not see in this any discussion about how the data format of the
> initrd/initramfs gets affected. There are some other things too
> (microcode updates, for example)
Interesting.

> which also would like to get initramfs
> data early, and maybe we need to think about how to containerize this
> properly.
Sounds as if this would get a bigger discussion...

I won't be able to come up with a detailed suggestion for such a general
initrd format change (that's what you suggest?).
I'd be interested to be put to CC and join the discussion, though.
This patch only slightly touches x86 initrd specifics:
(with Yinhai additions even 3 lines less):
arch/x86/kernel/setup.c | 15 ++
arch/x86/mm/init.c | 4
No general initrd code is touched at all, all the rest sits in
drivers/acpi/

If there is any initrd change this could easily be adopted.
Would be great to see this one pushed into 3.4 before a possibly long
taking discussion about bigger initrd layout changes.

Thanks,

Thomas


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