linux-kernel - [PATCH v2] riscv: Fix the __riscv_copy_vec_words

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Message-Id: <20250228090801.8334-1-tingbo.liao@starfivetech.com>
Date: Fri, 28 Feb 2025 01:08:01 -0800
From: Tingbo Liao <tingbo.liao@...rfivetech.com>
To: Alexandre Ghiti <alex@...ti.fr>,
	Paul Walmsley <paul.walmsley@...ive.com>,
	Palmer Dabbelt <palmer@...belt.com>,
	Albert Ou <aou@...s.berkeley.edu>
Cc: linux-riscv@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	Tingbo Liao <tingbo.liao@...rfivetech.com>
Subject: [PATCH v2] riscv: Fix the __riscv_copy_vec_words_unaligned implementation

Correct the VEC_S macro definition to fix the implementation
of vector words copy in the case of unalignment in RISC-V.

Fixes: e7c9d66e313b ("RISC-V: Report vector unaligned access speed hwprobe")
Reviewed-by: Alexandre Ghiti <alexghiti@...osinc.com>
Signed-off-by: Tingbo Liao <tingbo.liao@...rfivetech.com>
---
 arch/riscv/kernel/vec-copy-unaligned.S | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/riscv/kernel/vec-copy-unaligned.S b/arch/riscv/kernel/vec-copy-unaligned.S
index d16f19f1b3b6..7ce4de6f6e69 100644
--- a/arch/riscv/kernel/vec-copy-unaligned.S
+++ b/arch/riscv/kernel/vec-copy-unaligned.S
@@ -11,7 +11,7 @@
 
 #define WORD_SEW CONCATENATE(e, WORD_EEW)
 #define VEC_L CONCATENATE(vle, WORD_EEW).v
-#define VEC_S CONCATENATE(vle, WORD_EEW).v
+#define VEC_S CONCATENATE(vse, WORD_EEW).v
 
 /* void __riscv_copy_vec_words_unaligned(void *, const void *, size_t) */
 /* Performs a memcpy without aligning buffers, using word loads and stores. */
-- 
2.46.0