Ard Biesheuvel c0d07a288d efi: Avoid register X18 on AArch64 builds
The UEFI spec does not permit the use of register X18 on the AArch64
architecture, on the basis that it is a platform register that may have
a special use in the platform.

This is not usually the case at boot time in UEFI implementations known
today, but it should be avoided nonetheless.

Signed-off-by: Ard Biesheuvel <ardb@kernel.org>
(cherry picked from commit 78a159bb74cca9e8870f68b2353e88e42b3d0f39)
2026-10-16 17:24:52 +01:00
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…
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Systemd

System and Service Manager

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