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(parent: db74a84) | patch
efivar: check that efivarfs is writeable
authorHeinrich Schuchardt <heinrich.schuchardt@canonical.com>
Fri, 18 Mar 2022 14:21:33 +0000 (15:21 +0100)
committerSteve McIntyre <93sam@debian.org>
Wed, 23 Sep 2026 20:39:45 +0000 (21:39 +0100)
commit509e3187e12f3d2b6a9427e0837c17a285d13c67
tree85599ba0711dab86cb48dd23f39555706200c5cetree | snapshot
parentdb74a84ec8aa39b320ef3d9ec602e9a217c634eacommit | diff
efivar: check that efivarfs is writeable

Some UEFI implementations (notably U-Boot) don't implement the
SetVariable() runtime service. On these systems the GRUB installation
must be completed manually. Write a warning in this case but avoid
throwing an error.  (LP: #1965288)

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Gbp-Pq: Name efivar-check-that-efivarfs-is-writeable.patch
grub-core/osdep/unix/efivar.c diff | blob | history
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