[PATCH] arch: vdso: add vdso linker script to 'targets' instead of extra-y

Subsystems: arm64 port (aarch64 architecture), linux for powerpc (32-bit and 64-bit), s390 architecture, the rest

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4 messages, 3 authors, 2020-09-07 · open the first message on its own page

[PATCH] arch: vdso: add vdso linker script to 'targets' instead of extra-y

From: Masahiro Yamada <masahiroy@kernel.org>
Date: 2020-08-31 18:25:10

The vdso linker script is preprocessed on demand.
Adding it to 'targets' is enough to include the .cmd file.

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

 arch/arm64/kernel/vdso/Makefile     | 2 +-
 arch/arm64/kernel/vdso32/Makefile   | 2 +-
 arch/nds32/kernel/vdso/Makefile     | 2 +-
 arch/powerpc/kernel/vdso32/Makefile | 2 +-
 arch/powerpc/kernel/vdso64/Makefile | 2 +-
 arch/s390/kernel/vdso64/Makefile    | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index 45d5cfe46429..7cd8aafbe96e 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -54,7 +54,7 @@ endif
 GCOV_PROFILE := n
 
 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
 
 # Force dependency (incbin is bad)
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index d6adb4677c25..572475b7b7ed 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -155,7 +155,7 @@ asm-obj-vdso := $(addprefix $(obj)/, $(asm-obj-vdso))
 obj-vdso := $(c-obj-vdso) $(c-obj-vdso-gettimeofday) $(asm-obj-vdso)
 
 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
 
 # Force dependency (vdso.s includes vdso.so through incbin)
diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile
index 7c3c1ccb196e..55df25ef0057 100644
--- a/arch/nds32/kernel/vdso/Makefile
+++ b/arch/nds32/kernel/vdso/Makefile
@@ -20,7 +20,7 @@ GCOV_PROFILE := n
 
 
 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)
 
 # Force dependency
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 87ab1152d5ce..fd5072a4c73c 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -29,7 +29,7 @@ ccflags-y := -shared -fno-common -fno-builtin -nostdlib \
 asflags-y := -D__VDSO32__ -s
 
 obj-y += vdso32_wrapper.o
-extra-y += vdso32.lds
+targets += vdso32.lds
 CPPFLAGS_vdso32.lds += -P -C -Upowerpc
 
 # Force dependency (incbin is bad)
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index 38c317f25141..c737b3ea3207 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -17,7 +17,7 @@ ccflags-y := -shared -fno-common -fno-builtin -nostdlib \
 asflags-y := -D__VDSO64__ -s
 
 obj-y += vdso64_wrapper.o
-extra-y += vdso64.lds
+targets += vdso64.lds
 CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
 
 # Force dependency (incbin is bad)
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 4a66a1cb919b..d0d406cfffa9 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -25,7 +25,7 @@ $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64)
 $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64)
 
 obj-y += vdso64_wrapper.o
-extra-y += vdso64.lds
+targets += vdso64.lds
 CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)
 
 # Disable gcov profiling, ubsan and kasan for VDSO code
-- 
2.25.1

Re: [PATCH] arch: vdso: add vdso linker script to 'targets' instead of extra-y

From: Catalin Marinas <catalin.marinas@arm.com>
Date: 2020-09-01 09:19:56

On Tue, Sep 01, 2020 at 03:22:39AM +0900, Masahiro Yamada wrote:
The vdso linker script is preprocessed on demand.
Adding it to 'targets' is enough to include the .cmd file.

Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
For arm64:

Acked-by: Catalin Marinas <catalin.marinas@arm.com>

Re: [PATCH] arch: vdso: add vdso linker script to 'targets' instead of extra-y

From: Greentime Hu <hidden>
Date: 2020-09-01 14:56:34

Masahiro Yamada [off-list ref] 於 2020年9月1日 週二 上午2:23寫道:
quoted hunk
The vdso linker script is preprocessed on demand.
Adding it to 'targets' is enough to include the .cmd file.

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

 arch/arm64/kernel/vdso/Makefile     | 2 +-
 arch/arm64/kernel/vdso32/Makefile   | 2 +-
 arch/nds32/kernel/vdso/Makefile     | 2 +-
 arch/powerpc/kernel/vdso32/Makefile | 2 +-
 arch/powerpc/kernel/vdso64/Makefile | 2 +-
 arch/s390/kernel/vdso64/Makefile    | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index 45d5cfe46429..7cd8aafbe96e 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -54,7 +54,7 @@ endif
 GCOV_PROFILE := n

 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)

 # Force dependency (incbin is bad)
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index d6adb4677c25..572475b7b7ed 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -155,7 +155,7 @@ asm-obj-vdso := $(addprefix $(obj)/, $(asm-obj-vdso))
 obj-vdso := $(c-obj-vdso) $(c-obj-vdso-gettimeofday) $(asm-obj-vdso)

 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)

 # Force dependency (vdso.s includes vdso.so through incbin)
diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile
index 7c3c1ccb196e..55df25ef0057 100644
--- a/arch/nds32/kernel/vdso/Makefile
+++ b/arch/nds32/kernel/vdso/Makefile
@@ -20,7 +20,7 @@ GCOV_PROFILE := n


 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)

 # Force dependency
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 87ab1152d5ce..fd5072a4c73c 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -29,7 +29,7 @@ ccflags-y := -shared -fno-common -fno-builtin -nostdlib \
 asflags-y := -D__VDSO32__ -s

 obj-y += vdso32_wrapper.o
-extra-y += vdso32.lds
+targets += vdso32.lds
 CPPFLAGS_vdso32.lds += -P -C -Upowerpc

 # Force dependency (incbin is bad)
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index 38c317f25141..c737b3ea3207 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -17,7 +17,7 @@ ccflags-y := -shared -fno-common -fno-builtin -nostdlib \
 asflags-y := -D__VDSO64__ -s

 obj-y += vdso64_wrapper.o
-extra-y += vdso64.lds
+targets += vdso64.lds
 CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)

 # Force dependency (incbin is bad)
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 4a66a1cb919b..d0d406cfffa9 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -25,7 +25,7 @@ $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64)
 $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64)

 obj-y += vdso64_wrapper.o
-extra-y += vdso64.lds
+targets += vdso64.lds
 CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)

 # Disable gcov profiling, ubsan and kasan for VDSO code
For nds32:

Acked-by: Greentime Hu <redacted>

Re: [PATCH] arch: vdso: add vdso linker script to 'targets' instead of extra-y

From: Masahiro Yamada <masahiroy@kernel.org>
Date: 2020-09-07 12:51:39

On Tue, Sep 1, 2020 at 3:23 AM Masahiro Yamada [off-list ref] wrote:
The vdso linker script is preprocessed on demand.
Adding it to 'targets' is enough to include the .cmd file.

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

Applied to linux-kbuild.

quoted hunk
 arch/arm64/kernel/vdso/Makefile     | 2 +-
 arch/arm64/kernel/vdso32/Makefile   | 2 +-
 arch/nds32/kernel/vdso/Makefile     | 2 +-
 arch/powerpc/kernel/vdso32/Makefile | 2 +-
 arch/powerpc/kernel/vdso64/Makefile | 2 +-
 arch/s390/kernel/vdso64/Makefile    | 2 +-
 6 files changed, 6 insertions(+), 6 deletions(-)
diff --git a/arch/arm64/kernel/vdso/Makefile b/arch/arm64/kernel/vdso/Makefile
index 45d5cfe46429..7cd8aafbe96e 100644
--- a/arch/arm64/kernel/vdso/Makefile
+++ b/arch/arm64/kernel/vdso/Makefile
@@ -54,7 +54,7 @@ endif
 GCOV_PROFILE := n

 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)

 # Force dependency (incbin is bad)
diff --git a/arch/arm64/kernel/vdso32/Makefile b/arch/arm64/kernel/vdso32/Makefile
index d6adb4677c25..572475b7b7ed 100644
--- a/arch/arm64/kernel/vdso32/Makefile
+++ b/arch/arm64/kernel/vdso32/Makefile
@@ -155,7 +155,7 @@ asm-obj-vdso := $(addprefix $(obj)/, $(asm-obj-vdso))
 obj-vdso := $(c-obj-vdso) $(c-obj-vdso-gettimeofday) $(asm-obj-vdso)

 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)

 # Force dependency (vdso.s includes vdso.so through incbin)
diff --git a/arch/nds32/kernel/vdso/Makefile b/arch/nds32/kernel/vdso/Makefile
index 7c3c1ccb196e..55df25ef0057 100644
--- a/arch/nds32/kernel/vdso/Makefile
+++ b/arch/nds32/kernel/vdso/Makefile
@@ -20,7 +20,7 @@ GCOV_PROFILE := n


 obj-y += vdso.o
-extra-y += vdso.lds
+targets += vdso.lds
 CPPFLAGS_vdso.lds += -P -C -U$(ARCH)

 # Force dependency
diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 87ab1152d5ce..fd5072a4c73c 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -29,7 +29,7 @@ ccflags-y := -shared -fno-common -fno-builtin -nostdlib \
 asflags-y := -D__VDSO32__ -s

 obj-y += vdso32_wrapper.o
-extra-y += vdso32.lds
+targets += vdso32.lds
 CPPFLAGS_vdso32.lds += -P -C -Upowerpc

 # Force dependency (incbin is bad)
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index 38c317f25141..c737b3ea3207 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -17,7 +17,7 @@ ccflags-y := -shared -fno-common -fno-builtin -nostdlib \
 asflags-y := -D__VDSO64__ -s

 obj-y += vdso64_wrapper.o
-extra-y += vdso64.lds
+targets += vdso64.lds
 CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)

 # Force dependency (incbin is bad)
diff --git a/arch/s390/kernel/vdso64/Makefile b/arch/s390/kernel/vdso64/Makefile
index 4a66a1cb919b..d0d406cfffa9 100644
--- a/arch/s390/kernel/vdso64/Makefile
+++ b/arch/s390/kernel/vdso64/Makefile
@@ -25,7 +25,7 @@ $(targets:%=$(obj)/%.dbg): KBUILD_CFLAGS = $(KBUILD_CFLAGS_64)
 $(targets:%=$(obj)/%.dbg): KBUILD_AFLAGS = $(KBUILD_AFLAGS_64)

 obj-y += vdso64_wrapper.o
-extra-y += vdso64.lds
+targets += vdso64.lds
 CPPFLAGS_vdso64.lds += -P -C -U$(ARCH)

 # Disable gcov profiling, ubsan and kasan for VDSO code
--
2.25.1

-- 
Best Regards
Masahiro Yamada
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