Re: [PATCH 15/25] riscv: move the XOR code to lib/raid/

Eric Biggers
2026-02-28T05:37:41Z

On Thu, Feb 26, 2026 at 07:10:27AM -0800, Christoph Hellwig wrote:
> Move the optimized XOR into lib/raid and include it it in xor.ko
> instead of always building it into the main kernel image.
>
> Signed-off-by: Christoph Hellwig <hch@lst.de>
> ---
> arch/riscv/include/asm/xor.h | 54 +------------------
> arch/riscv/lib/Makefile | 1 -
> lib/raid/xor/Makefile | 1 +
> lib/raid/xor/riscv/xor-glue.c | 56 ++++++++++++++++++++
> {arch/riscv/lib => lib/raid/xor/riscv}/xor.S | 0

The EXPORT_SYMBOL() statements in xor.S can be removed, since the
functions are now located in the same module as their callers.

- Eric