[PATCH 0/2] fix ia64 and tile for thin archives

[PATCH 0/2] fix ia64 and tile for thin archives

[Nicholas Piggin]

These fixes are similar to the sh fix already in the kbuild/thin-ar
tree.

Thanks,
Nick

Nicholas Piggin (2):
  ia64: thin archives fix linking
  tile: thin archives fix linking

 arch/ia64/Makefile             | 1 +
 arch/ia64/kernel/Makefile.gate | 3 ---
 arch/tile/Makefile             | 2 ++
 arch/tile/kernel/vdso/Makefile | 2 --
 4 files changed, 3 insertions(+), 5 deletions(-)

-- 
2.11.0

[PATCH 1/2] ia64: thin archives fix linking

[Nicholas Piggin]

The VDSO symbols can't be linked into built-in.o when building with
thin archives, so change this to linking them into the final link.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/ia64/Makefile             | 1 +
 arch/ia64/kernel/Makefile.gate | 3 ---
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index c100d780f1eb..302f7edbcfd1 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -22,6 +22,7 @@ CHECKFLAGS	+= -m64 -D__ia64=1 -D__ia64__=1 -D_LP64 -D__LP64__
 
 OBJCOPYFLAGS	:= --strip-all
 LDFLAGS_vmlinux	:= -static
+LDFLAGS_vmlinux	+= -R arch/ia64/kernel/gate-syms.o
 KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/ia64/module.lds
 KBUILD_AFLAGS_KERNEL := -mconstant-gp
 EXTRA		:diff --git a/arch/ia64/kernel/Makefile.gate b/arch/ia64/kernel/Makefile.gate
index a32903ada016..9d9c69100d35 100644
--- a/arch/ia64/kernel/Makefile.gate
+++ b/arch/ia64/kernel/Makefile.gate
@@ -14,9 +14,6 @@ GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \
 $(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE
 	$(call if_changed,gate)
 
-$(obj)/built-in.o: $(obj)/gate-syms.o
-$(obj)/built-in.o: ld_flags += -R $(obj)/gate-syms.o
-
 GATECFLAGS_gate-syms.o = -r
 $(obj)/gate-syms.o: $(obj)/gate.lds $(obj)/gate.o FORCE
 	$(call if_changed,gate)
-- 
2.11.0

[PATCH 1/2] ia64: thin archives fix linking

[Nicholas Piggin]

The VDSO symbols can't be linked into built-in.o when building with
thin archives, so change this to linking them into the final link.

Cc: Tony Luck <tony.luck@intel.com>
Cc: Fenghua Yu <fenghua.yu@intel.com>
Cc: linux-ia64@vger.kernel.org
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/ia64/Makefile             | 1 +
 arch/ia64/kernel/Makefile.gate | 3 ---
 2 files changed, 1 insertion(+), 3 deletions(-)

diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index c100d780f1eb..302f7edbcfd1 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -22,6 +22,7 @@ CHECKFLAGS	+= -m64 -D__ia64=1 -D__ia64__=1 -D_LP64 -D__LP64__
 
 OBJCOPYFLAGS	:= --strip-all
 LDFLAGS_vmlinux	:= -static
+LDFLAGS_vmlinux	+= -R arch/ia64/kernel/gate-syms.o
 KBUILD_LDFLAGS_MODULE += -T $(srctree)/arch/ia64/module.lds
 KBUILD_AFLAGS_KERNEL := -mconstant-gp
 EXTRA		:=
diff --git a/arch/ia64/kernel/Makefile.gate b/arch/ia64/kernel/Makefile.gate
index a32903ada016..9d9c69100d35 100644
--- a/arch/ia64/kernel/Makefile.gate
+++ b/arch/ia64/kernel/Makefile.gate
@@ -14,9 +14,6 @@ GATECFLAGS_gate.so = -shared -s -Wl,-soname=linux-gate.so.1 \
 $(obj)/gate.so: $(obj)/gate.lds $(obj)/gate.o FORCE
 	$(call if_changed,gate)
 
-$(obj)/built-in.o: $(obj)/gate-syms.o
-$(obj)/built-in.o: ld_flags += -R $(obj)/gate-syms.o
-
 GATECFLAGS_gate-syms.o = -r
 $(obj)/gate-syms.o: $(obj)/gate.lds $(obj)/gate.o FORCE
 	$(call if_changed,gate)
-- 
2.11.0

[PATCH 2/2] tile: thin archives fix linking

[Nicholas Piggin]

The VDSO symbols can't be linked into built-in.o when building with
thin archives, so change this to linking them into the final link.

Cc: Chris Metcalf <cmetcalf@mellanox.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
---
 arch/tile/Makefile             | 2 ++
 arch/tile/kernel/vdso/Makefile | 2 --
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/tile/Makefile b/arch/tile/Makefile
index 4dc380a519d4..eb43ffb999b6 100644
--- a/arch/tile/Makefile
+++ b/arch/tile/Makefile
@@ -30,6 +30,8 @@ endif
 # In kernel modules, this causes load failures due to unsupported relocations.
 KBUILD_CFLAGS   += -fno-asynchronous-unwind-tables
 
+LDFLAGS_vmlinux	+= -R arch/tile/kernel/vdso/vdso-syms.o
+
 LIBGCC_PATH     := \
   $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
 
diff --git a/arch/tile/kernel/vdso/Makefile b/arch/tile/kernel/vdso/Makefile
index c54fff37b5ff..84daaf2c5e2c 100644
--- a/arch/tile/kernel/vdso/Makefile
+++ b/arch/tile/kernel/vdso/Makefile
@@ -50,8 +50,6 @@ $(obj)/vdso.so.dbg: $(src)/vdso.lds $(obj-vdso)
 # table and layout of the linked DSO.  With ld -R we can then refer to
 # these symbols in the kernel code rather than hand-coded addresses.
 extra-y += vdso-syms.o
-$(obj)/built-in.o: $(obj)/vdso-syms.o
-$(obj)/built-in.o: ld_flags += -R $(obj)/vdso-syms.o
 
 SYSCFLAGS_vdso.so.dbg = -shared -s -Wl,-soname=linux-vdso.so.1 \
                             $(call cc-ldoption, -Wl$(comma)--hash-style=both)
-- 
2.11.0

Re: [PATCH 0/2] fix ia64 and tile for thin archives

[Masahiro Yamada]

Hi Nicholas,

2017-06-21 16:56 GMT+09:00 Nicholas Piggin <npiggin@gmail.com>:
> These fixes are similar to the sh fix already in the kbuild/thin-ar
> tree.
>
> Thanks,
> Nick
>
> Nicholas Piggin (2):
>   ia64: thin archives fix linking
>   tile: thin archives fix linking

I inserted these two after "sh: thin archives fix linking".
Thanks!


-- 
Best Regards
Masahiro Yamada