linux-kernel - [PATCH 3/4] x86: vdso: use $(addprefix ) instead of $(foreach )

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Message-Id: <20231121235701.239606-4-masahiroy@kernel.org>
Date:   Wed, 22 Nov 2023 08:57:00 +0900
From:   Masahiro Yamada <masahiroy@...nel.org>
To:     Thomas Gleixner <tglx@...utronix.de>,
        Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
        Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org
Cc:     Masahiro Yamada <masahiroy@...nel.org>,
        Andy Lutomirski <luto@...nel.org>,
        "H. Peter Anvin" <hpa@...or.com>, linux-kernel@...r.kernel.org
Subject: [PATCH 3/4] x86: vdso: use $(addprefix ) instead of $(foreach )

$(addprefix ) is slightly shorter and more intuitive.

Signed-off-by: Masahiro Yamada <masahiroy@...nel.org>
---

 arch/x86/entry/vdso/Makefile | 6 +++---
 1 file changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index cbfb5aab5e9c..439b52772e69 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -40,8 +40,8 @@ obj-$(CONFIG_IA32_EMULATION)	+= vdso-image-32.o vdso32-setup.o
 
 OBJECT_FILES_NON_STANDARD_vdso32-setup.o := n
 
-vobjs := $(foreach F,$(vobjs-y),$(obj)/$F)
-vobjs32 := $(foreach F,$(vobjs32-y),$(obj)/$F)
+vobjs := $(addprefix $(obj)/, $(vobjs-y))
+vobjs32 := $(addprefix $(obj)/, $(vobjs32-y))
 
 $(obj)/vdso.o: $(obj)/vdso.so
 
@@ -112,7 +112,7 @@ VDSO_LDFLAGS_vdsox32.lds = -m elf32_x86_64 -soname linux-vdso.so.1 \
 vobjx32s-y := $(vobjs-y:.o=-x32.o)
 
 # same thing, but in the output directory
-vobjx32s := $(foreach F,$(vobjx32s-y),$(obj)/$F)
+vobjx32s := $(addprefix $(obj)/, $(vobjx32s-y))
 
 # Convert 64bit object file to x32 for x32 vDSO.
 quiet_cmd_x32 = X32     $@
-- 
2.40.1