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* [PATCH 0/3] x86/build: clean-up of vdso Makefile
@ 2018-05-15  2:52 Masahiro Yamada
  2018-05-15  2:52 ` [PATCH 1/3] x86/build: vdso: remove unused $(vobjs-nox32) in Makefile Masahiro Yamada
                   ` (3 more replies)
  0 siblings, 4 replies; 8+ messages in thread
From: Masahiro Yamada @ 2018-05-15  2:52 UTC (permalink / raw)
  To: Ingo Molnar, Thomas Gleixner, x86
  Cc: Masahiro Yamada, H. Peter Anvin, user-mode-linux-user,
	user-mode-linux-devel, linux-kernel, Richard Weinberger,
	Andy Lutomirski, Jeff Dike




Masahiro Yamada (3):
  x86/build: vdso: remove unused $(vobjs-nox32) in Makefile
  x86/build: vdso: remove unnecessary export in Makefile
  x86/build: vdso: put generated linker scripts to $(obj)/

 arch/x86/entry/vdso/Makefile | 11 ++++-------
 arch/x86/um/vdso/Makefile    |  4 ++--
 2 files changed, 6 insertions(+), 9 deletions(-)

-- 
2.7.4

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH 1/3] x86/build: vdso: remove unused $(vobjs-nox32) in Makefile
  2018-05-15  2:52 [PATCH 0/3] x86/build: clean-up of vdso Makefile Masahiro Yamada
@ 2018-05-15  2:52 ` Masahiro Yamada
  2018-05-15  5:39   ` [tip:x86/build] x86/build/vdso: Remove " tip-bot for Masahiro Yamada
  2018-05-15  2:52 ` [PATCH 2/3] x86/build: vdso: remove unnecessary export " Masahiro Yamada
                   ` (2 subsequent siblings)
  3 siblings, 1 reply; 8+ messages in thread
From: Masahiro Yamada @ 2018-05-15  2:52 UTC (permalink / raw)
  To: Ingo Molnar, Thomas Gleixner, x86
  Cc: Masahiro Yamada, H. Peter Anvin, linux-kernel, Andy Lutomirski

Since commit bfad381c0d1e ("x86/vdso: Improve the fake section
headers"), $(vobjs-nox32) is empty.  Therefore, $(vobjs64-for-x32)
is the same as $(vobjs-y).

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 arch/x86/entry/vdso/Makefile | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index d998a48..2988506 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -100,11 +100,8 @@ VDSO_LDFLAGS_vdsox32.lds = -Wl,-m,elf32_x86_64 \
 			   -Wl,-z,max-page-size=4096 \
 			   -Wl,-z,common-page-size=4096
 
-# 64-bit objects to re-brand as x32
-vobjs64-for-x32 := $(filter-out $(vobjs-nox32),$(vobjs-y))
-
 # x32-rebranded versions
-vobjx32s-y := $(vobjs64-for-x32:.o=-x32.o)
+vobjx32s-y := $(vobjs-y:.o=-x32.o)
 
 # same thing, but in the output directory
 vobjx32s := $(foreach F,$(vobjx32s-y),$(obj)/$F)
-- 
2.7.4

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH 2/3] x86/build: vdso: remove unnecessary export in Makefile
  2018-05-15  2:52 [PATCH 0/3] x86/build: clean-up of vdso Makefile Masahiro Yamada
  2018-05-15  2:52 ` [PATCH 1/3] x86/build: vdso: remove unused $(vobjs-nox32) in Makefile Masahiro Yamada
@ 2018-05-15  2:52 ` Masahiro Yamada
  2018-05-15  5:40   ` [tip:x86/build] x86/build/vdso: Remove " tip-bot for Masahiro Yamada
  2018-05-15  2:52 ` [PATCH 3/3] x86/build: vdso: put generated linker scripts to $(obj)/ Masahiro Yamada
  2018-05-22 20:34 ` [PATCH 0/3] x86/build: clean-up of vdso Makefile Andy Lutomirski
  3 siblings, 1 reply; 8+ messages in thread
From: Masahiro Yamada @ 2018-05-15  2:52 UTC (permalink / raw)
  To: Ingo Molnar, Thomas Gleixner, x86
  Cc: Masahiro Yamada, H. Peter Anvin, user-mode-linux-user,
	user-mode-linux-devel, linux-kernel, Richard Weinberger,
	Andy Lutomirski, Jeff Dike

CPPFLAGS_vdso.lds is assigned and referenced internally in each
Makefile.  No need to export it.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 arch/x86/entry/vdso/Makefile | 2 +-
 arch/x86/um/vdso/Makefile    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 2988506..690df4c 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -44,7 +44,7 @@ obj-y += $(vdso_img_objs)
 targets += $(vdso_img_cfiles)
 targets += $(vdso_img_sodbg) $(vdso_img-y:%=vdso%.so)
 
-export CPPFLAGS_vdso.lds += -P -C
+CPPFLAGS_vdso.lds += -P -C
 
 VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
 			-Wl,--no-undefined \
diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
index 426681e..3af55cd 100644
--- a/arch/x86/um/vdso/Makefile
+++ b/arch/x86/um/vdso/Makefile
@@ -23,7 +23,7 @@ $(obj)/vdso.o: $(obj)/vdso.so
 
 targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y)
 
-export CPPFLAGS_vdso.lds += -P -C
+CPPFLAGS_vdso.lds += -P -C
 
 VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
        -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096
-- 
2.7.4

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [PATCH 3/3] x86/build: vdso: put generated linker scripts to $(obj)/
  2018-05-15  2:52 [PATCH 0/3] x86/build: clean-up of vdso Makefile Masahiro Yamada
  2018-05-15  2:52 ` [PATCH 1/3] x86/build: vdso: remove unused $(vobjs-nox32) in Makefile Masahiro Yamada
  2018-05-15  2:52 ` [PATCH 2/3] x86/build: vdso: remove unnecessary export " Masahiro Yamada
@ 2018-05-15  2:52 ` Masahiro Yamada
  2018-05-15  5:40   ` [tip:x86/build] x86/build/vdso: Put " tip-bot for Masahiro Yamada
  2018-05-22 20:34 ` [PATCH 0/3] x86/build: clean-up of vdso Makefile Andy Lutomirski
  3 siblings, 1 reply; 8+ messages in thread
From: Masahiro Yamada @ 2018-05-15  2:52 UTC (permalink / raw)
  To: Ingo Molnar, Thomas Gleixner, x86
  Cc: Masahiro Yamada, H. Peter Anvin, user-mode-linux-user,
	user-mode-linux-devel, linux-kernel, Richard Weinberger,
	Andy Lutomirski, Jeff Dike

Let's put generated files to $(obj)/ rather than $(src)/ although
this is just a matter of taste because both are the same.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
---

 arch/x86/entry/vdso/Makefile | 4 ++--
 arch/x86/um/vdso/Makefile    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 690df4c..261802b 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -51,7 +51,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
 			-Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 \
 			$(DISABLE_LTO)
 
-$(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
+$(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE
 	$(call if_changed,vdso)
 
 HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/$(SUBARCH)/include/uapi
@@ -119,7 +119,7 @@ $(obj)/%.so: OBJCOPYFLAGS := -S
 $(obj)/%.so: $(obj)/%.so.dbg
 	$(call if_changed,objcopy)
 
-$(obj)/vdsox32.so.dbg: $(src)/vdsox32.lds $(vobjx32s) FORCE
+$(obj)/vdsox32.so.dbg: $(obj)/vdsox32.lds $(vobjx32s) FORCE
 	$(call if_changed,vdso)
 
 CPPFLAGS_vdso32.lds = $(CPPFLAGS_vdso.lds)
diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
index 3af55cd..822ccdb 100644
--- a/arch/x86/um/vdso/Makefile
+++ b/arch/x86/um/vdso/Makefile
@@ -30,7 +30,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
 
 $(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so
 
-$(obj)/vdso.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
+$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE
 	$(call if_changed,vdso)
 
 $(obj)/%.so: OBJCOPYFLAGS := -S
-- 
2.7.4

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [tip:x86/build] x86/build/vdso: Remove unused $(vobjs-nox32) in Makefile
  2018-05-15  2:52 ` [PATCH 1/3] x86/build: vdso: remove unused $(vobjs-nox32) in Makefile Masahiro Yamada
@ 2018-05-15  5:39   ` tip-bot for Masahiro Yamada
  0 siblings, 0 replies; 8+ messages in thread
From: tip-bot for Masahiro Yamada @ 2018-05-15  5:39 UTC (permalink / raw)
  To: linux-tip-commits
  Cc: hpa, luto, yamada.masahiro, peterz, linux-kernel, torvalds, tglx, mingo

Commit-ID:  b3656612118f8961182f988168c835f023f0408a
Gitweb:     https://git.kernel.org/tip/b3656612118f8961182f988168c835f023f0408a
Author:     Masahiro Yamada <yamada.masahiro@socionext.com>
AuthorDate: Tue, 15 May 2018 11:52:22 +0900
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 15 May 2018 07:32:42 +0200

x86/build/vdso: Remove unused $(vobjs-nox32) in Makefile

Since commit bfad381c0d1e ("x86/vdso: Improve the fake section
headers"), $(vobjs-nox32) is empty.  Therefore, $(vobjs64-for-x32)
is the same as $(vobjs-y).

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Thomas Gleixner <tglx@linutronix.de>
Link: http://lkml.kernel.org/r/1526352744-28229-2-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/entry/vdso/Makefile | 5 +----
 1 file changed, 1 insertion(+), 4 deletions(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index d998a487c9b1..298850683ee2 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -100,11 +100,8 @@ VDSO_LDFLAGS_vdsox32.lds = -Wl,-m,elf32_x86_64 \
 			   -Wl,-z,max-page-size=4096 \
 			   -Wl,-z,common-page-size=4096
 
-# 64-bit objects to re-brand as x32
-vobjs64-for-x32 := $(filter-out $(vobjs-nox32),$(vobjs-y))
-
 # x32-rebranded versions
-vobjx32s-y := $(vobjs64-for-x32:.o=-x32.o)
+vobjx32s-y := $(vobjs-y:.o=-x32.o)
 
 # same thing, but in the output directory
 vobjx32s := $(foreach F,$(vobjx32s-y),$(obj)/$F)

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [tip:x86/build] x86/build/vdso: Remove unnecessary export in Makefile
  2018-05-15  2:52 ` [PATCH 2/3] x86/build: vdso: remove unnecessary export " Masahiro Yamada
@ 2018-05-15  5:40   ` tip-bot for Masahiro Yamada
  0 siblings, 0 replies; 8+ messages in thread
From: tip-bot for Masahiro Yamada @ 2018-05-15  5:40 UTC (permalink / raw)
  To: linux-tip-commits
  Cc: linux-kernel, mingo, richard, torvalds, yamada.masahiro, jdike,
	hpa, tglx, peterz, luto

Commit-ID:  61615faf0a8968b604bd279fec5cb834ba59ed58
Gitweb:     https://git.kernel.org/tip/61615faf0a8968b604bd279fec5cb834ba59ed58
Author:     Masahiro Yamada <yamada.masahiro@socionext.com>
AuthorDate: Tue, 15 May 2018 11:52:23 +0900
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 15 May 2018 07:32:42 +0200

x86/build/vdso: Remove unnecessary export in Makefile

CPPFLAGS_vdso.lds is assigned and referenced internally in each
Makefile.  No need to export it.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: user-mode-linux-user@lists.sourceforge.net
Link: http://lkml.kernel.org/r/1526352744-28229-3-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/entry/vdso/Makefile | 2 +-
 arch/x86/um/vdso/Makefile    | 2 +-
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 298850683ee2..690df4c6b40a 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -44,7 +44,7 @@ obj-y += $(vdso_img_objs)
 targets += $(vdso_img_cfiles)
 targets += $(vdso_img_sodbg) $(vdso_img-y:%=vdso%.so)
 
-export CPPFLAGS_vdso.lds += -P -C
+CPPFLAGS_vdso.lds += -P -C
 
 VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
 			-Wl,--no-undefined \
diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
index 10003359e633..e51d95c9098c 100644
--- a/arch/x86/um/vdso/Makefile
+++ b/arch/x86/um/vdso/Makefile
@@ -23,7 +23,7 @@ $(obj)/vdso.o: $(obj)/vdso.so
 
 targets += vdso.so vdso.so.dbg vdso.lds $(vobjs-y)
 
-export CPPFLAGS_vdso.lds += -P -C
+CPPFLAGS_vdso.lds += -P -C
 
 VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
        -Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096

^ permalink raw reply	[flat|nested] 8+ messages in thread

* [tip:x86/build] x86/build/vdso: Put generated linker scripts to $(obj)/
  2018-05-15  2:52 ` [PATCH 3/3] x86/build: vdso: put generated linker scripts to $(obj)/ Masahiro Yamada
@ 2018-05-15  5:40   ` tip-bot for Masahiro Yamada
  0 siblings, 0 replies; 8+ messages in thread
From: tip-bot for Masahiro Yamada @ 2018-05-15  5:40 UTC (permalink / raw)
  To: linux-tip-commits
  Cc: jdike, linux-kernel, luto, tglx, richard, torvalds,
	yamada.masahiro, mingo, peterz, hpa

Commit-ID:  1742ed2088ccc4ade3abd8fe888742dd0f1343f8
Gitweb:     https://git.kernel.org/tip/1742ed2088ccc4ade3abd8fe888742dd0f1343f8
Author:     Masahiro Yamada <yamada.masahiro@socionext.com>
AuthorDate: Tue, 15 May 2018 11:52:24 +0900
Committer:  Ingo Molnar <mingo@kernel.org>
CommitDate: Tue, 15 May 2018 07:32:42 +0200

x86/build/vdso: Put generated linker scripts to $(obj)/

Let's put generated files to $(obj)/ rather than $(src)/ although
this is just a matter of taste because both are the same.

Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com>
Cc: Andy Lutomirski <luto@amacapital.net>
Cc: Jeff Dike <jdike@addtoit.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Peter Zijlstra <peterz@infradead.org>
Cc: Richard Weinberger <richard@nod.at>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: user-mode-linux-devel@lists.sourceforge.net
Cc: user-mode-linux-user@lists.sourceforge.net
Link: http://lkml.kernel.org/r/1526352744-28229-4-git-send-email-yamada.masahiro@socionext.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
---
 arch/x86/entry/vdso/Makefile | 4 ++--
 arch/x86/um/vdso/Makefile    | 2 +-
 2 files changed, 3 insertions(+), 3 deletions(-)

diff --git a/arch/x86/entry/vdso/Makefile b/arch/x86/entry/vdso/Makefile
index 690df4c6b40a..261802b1cc50 100644
--- a/arch/x86/entry/vdso/Makefile
+++ b/arch/x86/entry/vdso/Makefile
@@ -51,7 +51,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
 			-Wl,-z,max-page-size=4096 -Wl,-z,common-page-size=4096 \
 			$(DISABLE_LTO)
 
-$(obj)/vdso64.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
+$(obj)/vdso64.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE
 	$(call if_changed,vdso)
 
 HOST_EXTRACFLAGS += -I$(srctree)/tools/include -I$(srctree)/include/uapi -I$(srctree)/arch/$(SUBARCH)/include/uapi
@@ -119,7 +119,7 @@ $(obj)/%.so: OBJCOPYFLAGS := -S
 $(obj)/%.so: $(obj)/%.so.dbg
 	$(call if_changed,objcopy)
 
-$(obj)/vdsox32.so.dbg: $(src)/vdsox32.lds $(vobjx32s) FORCE
+$(obj)/vdsox32.so.dbg: $(obj)/vdsox32.lds $(vobjx32s) FORCE
 	$(call if_changed,vdso)
 
 CPPFLAGS_vdso32.lds = $(CPPFLAGS_vdso.lds)
diff --git a/arch/x86/um/vdso/Makefile b/arch/x86/um/vdso/Makefile
index e51d95c9098c..b2d6967262b2 100644
--- a/arch/x86/um/vdso/Makefile
+++ b/arch/x86/um/vdso/Makefile
@@ -30,7 +30,7 @@ VDSO_LDFLAGS_vdso.lds = -m64 -Wl,-soname=linux-vdso.so.1 \
 
 $(obj)/vdso.o: $(src)/vdso.S $(obj)/vdso.so
 
-$(obj)/vdso.so.dbg: $(src)/vdso.lds $(vobjs) FORCE
+$(obj)/vdso.so.dbg: $(obj)/vdso.lds $(vobjs) FORCE
 	$(call if_changed,vdso)
 
 $(obj)/%.so: OBJCOPYFLAGS := -S

^ permalink raw reply	[flat|nested] 8+ messages in thread

* Re: [PATCH 0/3] x86/build: clean-up of vdso Makefile
  2018-05-15  2:52 [PATCH 0/3] x86/build: clean-up of vdso Makefile Masahiro Yamada
                   ` (2 preceding siblings ...)
  2018-05-15  2:52 ` [PATCH 3/3] x86/build: vdso: put generated linker scripts to $(obj)/ Masahiro Yamada
@ 2018-05-22 20:34 ` Andy Lutomirski
  3 siblings, 0 replies; 8+ messages in thread
From: Andy Lutomirski @ 2018-05-22 20:34 UTC (permalink / raw)
  To: Masahiro Yamada
  Cc: Ingo Molnar, Thomas Gleixner, X86 ML, H. Peter Anvin,
	open list:USER-MODE LINUX (UML),
	user-mode-linux-devel, LKML, Richard Weinberger, Jeff Dike

On Mon, May 14, 2018 at 7:52 PM Masahiro Yamada <
yamada.masahiro@socionext.com> wrote:




> Masahiro Yamada (3):
>    x86/build: vdso: remove unused $(vobjs-nox32) in Makefile
>    x86/build: vdso: remove unnecessary export in Makefile
>    x86/build: vdso: put generated linker scripts to $(obj)/

LGTM.

Acked-by: Andy Lutomirski <luto@kernel.org>


>   arch/x86/entry/vdso/Makefile | 11 ++++-------
>   arch/x86/um/vdso/Makefile    |  4 ++--
>   2 files changed, 6 insertions(+), 9 deletions(-)

> --
> 2.7.4

^ permalink raw reply	[flat|nested] 8+ messages in thread

end of thread, other threads:[~2018-05-22 20:35 UTC | newest]

Thread overview: 8+ messages (download: mbox.gz / follow: Atom feed)
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