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

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