arm64: kernel: avoid x18 in __cpu_soft_restart

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The code in __cpu_soft_restart() uses x18 as an arbitrary temp register,
which will shortly be disallowed. So use x8 instead.

Link: https://patchwork.kernel.org/patch/9836877/
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
[Sami: updated commit message]
Signed-off-by: Sami Tolvanen <samitolvanen@google.com>
Reviewed-by: Mark Rutland <mark.rutland@arm.com>
Reviewed-by: Kees Cook <keescook@chromium.org>
Signed-off-by: Will Deacon <will@kernel.org>

...

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Ard Biesheuvel 2019-12-06 14:13:40 -08:00 • committed by Will Deacon

parent af12376814

commit 500d14affd

1 changed files with 2 additions and 2 deletions

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arch/arm64/kernel/cpu-reset.S

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