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Merge tag 'efi-2023-10-rc1' of https://source.denx.de/u-boot/custodians/u-boot-efi

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Pull request efi-2023-10-rc1

Documentation:

* enhance UEFI anti-rollback documentation

EFI:

* Reconnect drivers if UninstallProtocol fails
* Prefer short device paths for boot options
* Fix error handling when updating boot options for block devices
This commit is contained in:
Tom Rini
2023-07-15 11:19:11 -04:00
parent e6e67bb9e0 345a8b15ac
commit 3a7a17dbdc
10 changed files with 514 additions and 441 deletions
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7
doc/develop/uefi/uefi.rst
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@@ -552,6 +552,13 @@ update using a capsule file with --fw-version of 5, the update will fail.
When the --fw-version in the capsule file is updated, lowest-supported-version
in the dtb might be updated accordingly.
If user needs to enforce anti-rollback to any older version,
the lowest-supported-version property in dtb must be always updated manually.
Note that the lowest-supported-version property specified in U-Boot's control
device tree can be changed by U-Boot fdt command.
Secure systems should not enable this command.
To insert the lowest supported version into a dtb
.. code-block:: console