Re: [PATCH Part1 RFC v3 20/22] x86/boot: Add Confidential Computing address to setup_header

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On Wed, Jun 23, 2021 at 10:19:11PM -0500, Michael Roth wrote:
> One downside to this is we still need something in the boot protocol,
> either via setup_data, or setup_header directly.

Huh, now I'm confused. You gave the acpi_rsdp_addr example and I thought
that should be enough, that's why I suggested boot_params.

Maybe you should point me to the code which does what you need so that I
can get a better idea...

> Having it in setup_header avoids the need to also have to add a field
> to boot_params for the boot/compressed->uncompressed passing, but
> maybe that's not a good enough justification. Perhaps if the TDX folks
> have similar needs though.

Yes, reportedly they do so I guess the solution should be
vendor-agnostic. Let's see what they need first.

Thx.

-- 
Regards/Gruss,
    Boris.

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