Thread (37 messages) 37 messages, 8 authors, 2022-02-09

Re: [PATCH v7 2/5] efi/libstub: Reserve confidential computing secret area

From: Gerd Hoffmann <kraxel@redhat.com>
Date: 2022-02-02 08:41:17
Also in: linux-efi, linux-security-module, lkml

On Tue, Feb 01, 2022 at 12:44:10PM +0000, Dov Murik wrote:
Some older firmware declare the confidential computing secret area as
EFI_BOOT_SERVICES_DATA region.  Fix this up by treating this memory
region as EFI_RESERVED_TYPE, as it should be.

If that memory region is already EFI_RESERVED_TYPE then this has no
effect on the E820 map.
Hmm, sure we actually want merge this?  I suspect by the time this
landed in an upstream kernel "older firmware" isn't much of a problem
any more.

take care,
  Gerd
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