lkml.org 
[lkml]   [2012]   [Aug]   [18]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
Patch in this message
/
From
Subject[PATCH 40/74] lto, powerpc: Disable LTO for the powerpc VDSO
Date
From: Andi Kleen <ak@linux.intel.com>

VDSO does not play well with LTO, so just disable it.

(note that powerpc will likely need more changes for LTO, this was
just from grep)

Cc: benh@kernel.crashing.org
Signed-off-by: Andi Kleen <ak@linux.intel.com>
---
arch/powerpc/kernel/vdso32/Makefile | 2 +-
arch/powerpc/kernel/vdso64/Makefile | 2 +-
2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/arch/powerpc/kernel/vdso32/Makefile b/arch/powerpc/kernel/vdso32/Makefile
index 53e6c9b..8cc88bf 100644
--- a/arch/powerpc/kernel/vdso32/Makefile
+++ b/arch/powerpc/kernel/vdso32/Makefile
@@ -16,7 +16,7 @@ obj-vdso32 := $(addprefix $(obj)/, $(obj-vdso32))

GCOV_PROFILE := n

-ccflags-y := -shared -fno-common -fno-builtin
+ccflags-y := -shared -fno-common -fno-builtin $(DISABLE_LTO)
ccflags-y += -nostdlib -Wl,-soname=linux-vdso32.so.1 \
$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
asflags-y := -D__VDSO32__ -s
diff --git a/arch/powerpc/kernel/vdso64/Makefile b/arch/powerpc/kernel/vdso64/Makefile
index effca94..5bca644 100644
--- a/arch/powerpc/kernel/vdso64/Makefile
+++ b/arch/powerpc/kernel/vdso64/Makefile
@@ -9,7 +9,7 @@ obj-vdso64 := $(addprefix $(obj)/, $(obj-vdso64))

GCOV_PROFILE := n

-ccflags-y := -shared -fno-common -fno-builtin
+ccflags-y := -shared -fno-common -fno-builtin $(DISABLE_LTO)
ccflags-y += -nostdlib -Wl,-soname=linux-vdso64.so.1 \
$(call cc-ldoption, -Wl$(comma)--hash-style=sysv)
asflags-y := -D__VDSO64__ -s
--
1.7.7.6


\
 
 \ /
  Last update: 2012-08-19 06:41    [W:0.303 / U:9.728 seconds]
©2003-2020 Jasper Spaans|hosted at Digital Ocean and TransIP|Read the blog|Advertise on this site