Re: [PATCH 2/3] x86/acpi: Remove BGRT invalidation code

[Marek Marczykowski-Górecki <marmarek@xxxxxxxxxxxxxxxxxxxxxx>]

On Fri, Mar 06, 2026 at 12:48:09AM +0530, Soumyajyotii Ssarkar wrote:
> Now that BGRT images are preserved during EFI boot (via
> EfiACPIReclaimMemory allocation), the invalidation code in
> acpi_parse_bgrt() is no longer needed. The BGRT table remains
> valid throughout boot.
> 
> This removes the code that was marking BGRT invalid when the
> image memory was detected as unavailable, which was causing
> ACPI warnings in Linux dom0.

When preserving failed for any reason, or when it was disabled (the next
patch), the entry still should be invalidated. In fact, the check here
for RAM_TYPE_CONVENTIONAL may already disable invalidation when it got
preserved?

-- 
Best Regards,
Marek Marczykowski-Górecki
Invisible Things Lab

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