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Support #459

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Attempt to standardize LB_MEM_RESERVED

Added by Tim Wawrzynczak almost 2 years ago.

Status:
New
Priority:
Normal
Category:
coreboot common code
Target version:
Start date:
02/13/2023
Due date:
% Done:

0%

Estimated time:
Affected versions:
Needs backport to:
Affected hardware:
x86
Affected OS:
Linux

Description

Regarding https://review.coreboot.org/c/coreboot/+/52585, we have gone ahead and created LB_MEM_SOFT_RESERVED (0xefffffff) to be used in e820 table for memory that is "soft reserved" (https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git/commit/?h=v5.10.32&id=262b45ae3ab4bf8e2caf1fcfd0d8307897519630). This creates a coreboot+Linux specific configuration which is undesirable from an interoperability standpoint. We should work to create a standard indicator for these types of entries.

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