From: Masahiro Yamada <yamada.masahiro@socionext.com>
To: linux-kbuild@vger.kernel.org
Cc: Michal Marek <michal.lkml@markovi.net>,
Catalin Marinas <catalin.marinas@arm.com>,
x86@kernel.org, Russell King <linux@armlinux.org.uk>,
linux-kernel@vger.kernel.org,
Masahiro Yamada <yamada.masahiro@socionext.com>,
Ingo Molnar <mingo@redhat.com>, Borislav Petkov <bp@alien8.de>,
Andy Lutomirski <luto@kernel.org>,
"H. Peter Anvin" <hpa@zytor.com>,
sparclinux@vger.kernel.org, Thomas Gleixner <tglx@linutronix.de>,
Will Deacon <will@kernel.org>,
"David S. Miller" <davem@davemloft.net>,
linux-arm-kernel@lists.infradead.org
Subject: [PATCH] kbuild: add --hash-style= and --build-id unconditionally
Date: Sat, 13 Jul 2019 13:01:10 +0900 [thread overview]
Message-ID: <20190713040110.18210-1-yamada.masahiro@socionext.com> (raw)
As commit 1e0221374e30 ("mips: vdso: drop unnecessary cc-ldoption")
explained, these flags are supported by the minimal required version
of binutils.
Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---
Makefile | 6 ++----
arch/arm/vdso/Makefile | 3 +--
arch/arm64/kernel/vdso32/Makefile | 4 ++--
arch/sparc/vdso/Makefile | 3 +--
arch/x86/entry/vdso/Makefile | 5 ++---
5 files changed, 8 insertions(+), 13 deletions(-)
diff --git a/Makefile b/Makefile
index 2c5d00ba537e..969182105dbd 100644
--- a/Makefile
+++ b/Makefile
@@ -900,10 +900,8 @@ KBUILD_CPPFLAGS += $(ARCH_CPPFLAGS) $(KCPPFLAGS)
KBUILD_AFLAGS += $(ARCH_AFLAGS) $(KAFLAGS)
KBUILD_CFLAGS += $(ARCH_CFLAGS) $(KCFLAGS)
-# Use --build-id when available.
-LDFLAGS_BUILD_ID := $(call ld-option, --build-id)
-KBUILD_LDFLAGS_MODULE += $(LDFLAGS_BUILD_ID)
-LDFLAGS_vmlinux += $(LDFLAGS_BUILD_ID)
+KBUILD_LDFLAGS_MODULE += --build-id
+LDFLAGS_vmlinux += --build-id
ifeq ($(CONFIG_STRIP_ASM_SYMS),y)
LDFLAGS_vmlinux += $(call ld-option, -X,)
diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile
index ca85df247775..87b7769214e0 100644
--- a/arch/arm/vdso/Makefile
+++ b/arch/arm/vdso/Makefile
@@ -13,8 +13,7 @@ ccflags-y += -DDISABLE_BRANCH_PROFILING
ldflags-$(CONFIG_CPU_ENDIAN_BE8) := --be8
ldflags-y := -Bsymbolic --no-undefined -soname=linux-vdso.so.1 \
-z max-page-size=4096 -nostdlib -shared $(ldflags-y) \
- $(call ld-option, --hash-style=sysv) \
- $(call ld-option, --build-id) \
+ --hash-style=sysv --build-id \
-T
obj-$(CONFIG_VDSO) += vdso.o
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index 288c14d30b45..60a4c6239712 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -96,8 +96,8 @@ VDSO_LDFLAGS := $(VDSO_CPPFLAGS)
VDSO_LDFLAGS += -Wl,-Bsymbolic -Wl,--no-undefined -Wl,-soname=linux-vdso.so.1
VDSO_LDFLAGS += -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096
VDSO_LDFLAGS += -nostdlib -shared -mfloat-abi=soft
-VDSO_LDFLAGS += $(call cc32-ldoption,-Wl$(comma)--hash-style=sysv)
-VDSO_LDFLAGS += $(call cc32-ldoption,-Wl$(comma)--build-id)
+VDSO_LDFLAGS += -Wl,--hash-style=sysv
+VDSO_LDFLAGS += -Wl,--build-id
VDSO_LDFLAGS += $(call cc32-ldoption,-fuse-ld=bfd)
diff --git a/arch/sparc/vdso/Makefile b/arch/sparc/vdso/Makefile
index 5a9e4e1f9f81..324a23947585 100644
--- a/arch/sparc/vdso/Makefile
+++ b/arch/sparc/vdso/Makefile
@@ -115,8 +115,7 @@ quiet_cmd_vdso = VDSO $@
-T $(filter %.lds,$^) $(filter %.o,$^) && \
sh $(srctree)/$(src)/checkundef.sh '$(OBJDUMP)' '$@'
-VDSO_LDFLAGS = -shared $(call ld-option, --hash-style=both) \
- $(call ld-option, --build-id) -Bsymbolic
+VDSO_LDFLAGS = -shared --hash-style=both --build-id -Bsymbolic
GCOV_PROFILE := n
#
diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 39106111be86..4c234a18638a 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -179,9 +179,8 @@ quiet_cmd_vdso = VDSO $@
-T $(filter %.lds,$^) $(filter %.o,$^) && \
sh $(srctree)/$(src)/checkundef.sh '$(NM)' '$@'
-VDSO_LDFLAGS = -shared $(call ld-option, --hash-style=both) \
- $(call ld-option, --build-id) $(call ld-option, --eh-frame-hdr) \
- -Bsymbolic
+VDSO_LDFLAGS = -shared --hash-style=both --build-id \
+ $(call ld-option, --eh-frame-hdr) -Bsymbolic
GCOV_PROFILE := n
#
--
2.17.1
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next reply other threads:[~2019-07-13 4:01 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-07-13 4:01 Masahiro Yamada [this message]
2019-07-13 6:07 ` [PATCH] kbuild: add --hash-style= and --build-id unconditionally Nathan Chancellor
2019-07-15 12:14 ` Masahiro Yamada
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