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arm64: vdso: remove -nostdlib compiler flag

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The -nostdlib option requests the compiler to not use the standard
system startup files or libraries when linking. It is effective only
when $(CC) is used as a linker driver.

Since commit 691efbedc6 ("arm64: vdso: use $(LD) instead of $(CC)
to link VDSO"), $(LD) is directly used, hence -nostdlib is unneeded.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Link: https://lore.kernel.org/r/20211107161802.323125-1-masahiroy@kernel.org
Signed-off-by: Will Deacon <will@kernel.org>
This commit is contained in:
Masahiro Yamada 2021-11-08 01:18:02 +09:00 committed by Will Deacon
parent 9dc232a8ab
commit 34688c7691
2 changed files with 2 additions and 2 deletions
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2
arch/arm64/kernel/vdso/Makefile
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@ -23,7 +23,7 @@ btildflags-$(CONFIG_ARM64_BTI_KERNEL) += -z force-bti
# potential future proofing if we end up with internal calls to the exported
# routines, as x86 does (see 6f121e548f83 ("x86, vdso: Reimplement vdso.so
# preparation in build-time C")).
ldflags-y := -shared -nostdlib -soname=linux-vdso.so.1 --hash-style=sysv \
ldflags-y := -shared -soname=linux-vdso.so.1 --hash-style=sysv \
-Bsymbolic --build-id=sha1 -n $(btildflags-y) -T
ccflags-y := -fno-common -fno-builtin -fno-stack-protector -ffixed-x18

2
arch/arm64/kernel/vdso32/Makefile
View File

@ -102,7 +102,7 @@ VDSO_AFLAGS += -D__ASSEMBLY__
# From arm vDSO Makefile
VDSO_LDFLAGS += -Bsymbolic --no-undefined -soname=linux-vdso.so.1
VDSO_LDFLAGS += -z max-page-size=4096 -z common-page-size=4096
VDSO_LDFLAGS += -nostdlib -shared --hash-style=sysv --build-id=sha1
VDSO_LDFLAGS += -shared --hash-style=sysv --build-id=sha1
# Borrow vdsomunge.c from the arm vDSO