arm64: entry: Avoid empty alternatives entries

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kernel_ventry will create alternative entries to potentially replace
0 instructions with 0 instructions for EL1 vectors. While this does not
cause an issue, it pointlessly takes up some bytes in the alternatives
section.

Do not generate such entries.

Acked-by: Mark Rutland <mark.rutland@arm.com>
Signed-off-by: Julien Thierry <jthierry@redhat.com>
Signed-off-by: Will Deacon <will@kernel.org>

...

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Julien Thierry 2020-01-09 16:02:59 +00:00 • committed by Will Deacon

parent 9834602336

commit 108eae2d4d

1 changed files with 2 additions and 2 deletions

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arch/arm64/kernel/entry.S

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