linux-kernel - [PATCH nolibc 08/19] tools/nolibc: string: Remove the `_nolibc_memcpy

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Message-Id: <20231012193233.207857-8-paulmck@kernel.org>
Date:   Thu, 12 Oct 2023 12:32:22 -0700
From:   "Paul E. McKenney" <paulmck@...nel.org>
To:     linux-kernel@...r.kernel.org
Cc:     gwml@...r.gnuweeb.org, kernel-team@...a.com, w@....eu,
        Ammar Faizi <ammarfaizi2@...weeb.org>,
        Alviro Iskandar Setiawan <alviro.iskandar@...weeb.org>,
        Willy Tarreau <w@....eu>,
        Thomas Weißschuh <linux@...ssschuh.net>
Subject: [PATCH nolibc 08/19] tools/nolibc: string: Remove the `_nolibc_memcpy_down()` function

From: Ammar Faizi <ammarfaizi2@...weeb.org>

This nolibc internal function is not used. Delete it. It was probably
supposed to handle memmove(), but today the memmove() has its own
implementation.

Signed-off-by: Ammar Faizi <ammarfaizi2@...weeb.org>
Reviewed-by: Alviro Iskandar Setiawan <alviro.iskandar@...weeb.org>
Signed-off-by: Willy Tarreau <w@....eu>
Signed-off-by: Thomas Weißschuh <linux@...ssschuh.net>
---
 tools/include/nolibc/string.h | 10 ----------
 1 file changed, 10 deletions(-)

diff --git a/tools/include/nolibc/string.h b/tools/include/nolibc/string.h
index 1bad6121ef8c..22dcb3f566ba 100644
--- a/tools/include/nolibc/string.h
+++ b/tools/include/nolibc/string.h
@@ -39,16 +39,6 @@ void *_nolibc_memcpy_up(void *dst, const void *src, size_t len)
 	return dst;
 }
 
-static __attribute__((unused))
-void *_nolibc_memcpy_down(void *dst, const void *src, size_t len)
-{
-	while (len) {
-		len--;
-		((char *)dst)[len] = ((const char *)src)[len];
-	}
-	return dst;
-}
-
 #ifndef NOLIBC_ARCH_HAS_MEMMOVE
 /* might be ignored by the compiler without -ffreestanding, then found as
  * missing.
-- 
2.40.1