[PATCH 03/28] arm64/xor: fix conflicting attributes for xor_block_template
Ard Biesheuvel
ardb at kernel.org
Fri Mar 27 01:25:22 PDT 2026
On Fri, 27 Mar 2026, at 07:16, Christoph Hellwig wrote:
> Commit 2c54b423cf85 ("arm64/xor: use EOR3 instructions when available")
> changes the definition to __ro_after_init instead of const, but failed to
> update the external declaration in xor.h. This was not found because
> xor-neon.c doesn't include <asm/xor.h>, and can't easily do that due to
> current architecture of the XOR code.
>
Even if it did, it wouldn't matter - __ro_after_init has no effect on declarations, only on definitions - it only controls the placement of the object in the .data..ro_after_init section (and declarations don't generate any code)
> Fixes: 2c54b423cf85 ("arm64/xor: use EOR3 instructions when available")
> Signed-off-by: Christoph Hellwig <hch at lst.de>
> ---
> arch/arm64/include/asm/xor.h | 2 +-
> 1 file changed, 1 insertion(+), 1 deletion(-)
>
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