linux-kernel - [PATCH v2] LoongArch: vDSO: remove -nostdlib complier flag

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Message-Id: <20250730083231.3027631-1-guanwentao@uniontech.com>
Date: Wed, 30 Jul 2025 16:32:31 +0800
From: Wentao Guan <guanwentao@...ontech.com>
To: chenhuacai@...nel.org
Cc: siyanteng@...oftware.com.cn,
	xry111@...111.site,
	linux-kernel@...r.kernel.org,
	loongarch@...ts.linux.dev,
	wangyuli@...ontech.com,
	zhanjun@...ontech.com,
	Wentao Guan <guanwentao@...ontech.com>
Subject: [PATCH v2] LoongArch: vDSO: remove -nostdlib complier flag

Since $(LD) is directly used, hence -nostdlib is unneeded,
MIPS has removed this, we should remove it too.
bdbf2038fbf4 ("MIPS: VDSO: remove -nostdlib compiler flag").

In fact, other architectures also use $(LD).
fe00e50b2db8 ("ARM: 8858/1: vdso: use $(LD) instead of $(CC) to link VDSO")
691efbedc60d ("arm64: vdso: use $(LD) instead of $(CC) to link VDSO")
2ff906994b6c ("MIPS: VDSO: Use $(LD) instead of $(CC) to link VDSO")
2b2a25845d53 ("s390/vdso: Use $(LD) instead of $(CC) to link vDSO")

Reviewed-by: Yanteng Si <siyanteng@...oftware.com.cn>
Signed-off-by: Wentao Guan <guanwentao@...ontech.com>

------
Changes in v2:
	- apply commit msg edit suggestion by Yanteng Si
------
---
 arch/loongarch/vdso/Makefile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/arch/loongarch/vdso/Makefile b/arch/loongarch/vdso/Makefile
index ccd2c5e135c6..d8316f993482 100644
--- a/arch/loongarch/vdso/Makefile
+++ b/arch/loongarch/vdso/Makefile
@@ -36,7 +36,7 @@ endif
 
 # VDSO linker flags.
 ldflags-y := -Bsymbolic --no-undefined -soname=linux-vdso.so.1 \
-	$(filter -E%,$(KBUILD_CFLAGS)) -nostdlib -shared --build-id -T
+	$(filter -E%,$(KBUILD_CFLAGS)) -shared --build-id -T
 
 #
 # Shared build commands.
-- 
2.20.1