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Subject[PATCH] arm: ubsan: select ARCH_HAS_UBSAN_SANITIZE_ALL
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To enable UBSAN on arm, ARCH_HAS_UBSAN_SANITIZE_ALL is needed to be selected.

Basic test has passed on Raspberry Pi2, Raspbian jessi lite with
CONFIG_UBSAN_SANITIZE_ALL, CONFIG_UBSAN_NULL.

Signed-off-by: Jinbum Park <jinb.park@samsung.com>
---
arch/arm/Kconfig | 1 +
arch/arm/boot/compressed/Makefile | 1 +
arch/arm/vdso/Makefile | 1 +
3 files changed, 3 insertions(+)

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index 1878083..bdd1561 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -7,6 +7,7 @@ config ARM
select ARCH_HAS_DEBUG_VIRTUAL if MMU
select ARCH_HAS_DEVMEM_IS_ALLOWED
select ARCH_HAS_ELF_RANDOMIZE
+ select ARCH_HAS_UBSAN_SANITIZE_ALL
select ARCH_HAS_SET_MEMORY
select ARCH_HAS_PHYS_TO_DMA
select ARCH_HAS_STRICT_KERNEL_RWX if MMU && !XIP_KERNEL
diff --git a/arch/arm/boot/compressed/Makefile b/arch/arm/boot/compressed/Makefile
index 45a6b9b..1b374ba 100644
--- a/arch/arm/boot/compressed/Makefile
+++ b/arch/arm/boot/compressed/Makefile
@@ -24,6 +24,7 @@ OBJS += hyp-stub.o
endif

GCOV_PROFILE := n
+UBSAN_SANITIZE := n

#
# Architecture dependencies
diff --git a/arch/arm/vdso/Makefile b/arch/arm/vdso/Makefile
index bb411821..05597f7 100644
--- a/arch/arm/vdso/Makefile
+++ b/arch/arm/vdso/Makefile
@@ -29,6 +29,7 @@ CFLAGS_vgettimeofday.o = -O2

# Disable gcov profiling for VDSO code
GCOV_PROFILE := n
+UBSAN_SANITIZE := n

# Force dependency
$(obj)/vdso.o : $(obj)/vdso.so
--
1.9.1
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