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authorSebastian Andrzej Siewior <bigeasy@linutronix.de>2016-11-04 19:39:38 +0100
committerSasha Levin <alexander.levin@verizon.com>2016-11-25 22:57:04 -0500
commit39f99860357cd710c2c952e16efbd534313acde4 (patch)
tree9b03f4d6e5285c4874144dc99cd9574071cc6b82
parentbf5d3d296abf509169ca673423c76b000bcf1085 (diff)
kbuild: add -fno-PIE
[ Upstream commit 8ae94224c9d72fc4d9aaac93b2d7833cf46d7141 ] Debian started to build the gcc with -fPIE by default so the kernel build ends before it starts properly with: |kernel/bounds.c:1:0: error: code model kernel does not support PIC mode Also add to KBUILD_AFLAGS due to: |gcc -Wp,-MD,arch/x86/entry/vdso/vdso32/.note.o.d … -mfentry -DCC_USING_FENTRY … vdso/vdso32/note.S |arch/x86/entry/vdso/vdso32/note.S:1:0: sorry, unimplemented: -mfentry isn’t supported for 32-bit in combination with -fpic Tagging it stable so it is possible to compile recent stable kernels as well. Cc: stable@vger.kernel.org Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de> Signed-off-by: Michal Marek <mmarek@suse.com> Signed-off-by: Sasha Levin <alexander.levin@verizon.com>
-rw-r--r--Makefile2
1 files changed, 2 insertions, 0 deletions
diff --git a/Makefile b/Makefile
index 21f657f2c4e6..7480d1c9a8c1 100644
--- a/Makefile
+++ b/Makefile
@@ -610,6 +610,8 @@ all: vmlinux
include arch/$(SRCARCH)/Makefile
KBUILD_CFLAGS += $(call cc-option,-fno-delete-null-pointer-checks,)
+KBUILD_CFLAGS += $(call cc-option,-fno-PIE)
+KBUILD_AFLAGS += $(call cc-option,-fno-PIE)
ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)