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(parent: 08eae0e) | patch
arm64: kexec: relocate in EL1 mode
authorPasha Tatashin <pasha.tatashin@soleen.com>
Thu, 30 Sep 2021 14:31:07 +0000 (14:31 +0000)
committerWill Deacon <will@kernel.org>
Fri, 1 Oct 2021 12:31:00 +0000 (13:31 +0100)
commitba959fe96a1bbb98765762da20ecb3a6eb9c9d39
treec43ad3d51524e52e34d11398c0f0881e424ea055tree | snapshot
parent08eae0ef618f34a813c1478200eb351d4416f3cacommit | diff
arm64: kexec: relocate in EL1 mode

Since we are going to keep MMU enabled during relocation, we need to
keep EL1 mode throughout the relocation.

Keep EL1 enabled, and switch EL2 only before entering the new world.

Suggested-by: James Morse <james.morse@arm.com>
Signed-off-by: Pasha Tatashin <pasha.tatashin@soleen.com>
Acked-by: Catalin Marinas <catalin.marinas@arm.com>
Link: https://lore.kernel.org/r/20210930143113.1502553-10-pasha.tatashin@soleen.com
Signed-off-by: Will Deacon <will@kernel.org>
arch/arm64/kernel/cpu-reset.h diff | blob | history
arch/arm64/kernel/machine_kexec.c diff | blob | history
arch/arm64/kernel/relocate_kernel.S diff | blob | history
Domain: System / Kernel;