aboutsummaryrefslogtreecommitdiffstats
diff options
context:
space:
mode:
-rw-r--r--Makefile1
-rw-r--r--arch/s390/Kconfig1
-rw-r--r--arch/s390/Makefile10
-rw-r--r--init/Kconfig9
4 files changed, 12 insertions, 9 deletions
diff --git a/Makefile b/Makefile
index 09208ffca353..b2e93c1a8021 100644
--- a/Makefile
+++ b/Makefile
@@ -788,6 +788,7 @@ stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG) := -fstack-protector-strong
KBUILD_CFLAGS += $(stackp-flags-y)
KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
+KBUILD_CFLAGS-$(CONFIG_CC_NO_ARRAY_BOUNDS) += -Wno-array-bounds
KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
ifdef CONFIG_CC_IS_CLANG
diff --git a/arch/s390/Kconfig b/arch/s390/Kconfig
index b1a88f6cc349..5126a5db41fd 100644
--- a/arch/s390/Kconfig
+++ b/arch/s390/Kconfig
@@ -125,6 +125,7 @@ config S390
select CLONE_BACKWARDS2
select DMA_OPS if PCI
select DYNAMIC_FTRACE if FUNCTION_TRACER
+ select GCC12_NO_ARRAY_BOUNDS
select GENERIC_ALLOCATOR
select GENERIC_CPU_AUTOPROBE
select GENERIC_CPU_VULNERABILITIES
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index d73611b35164..495c68a4df1e 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -32,15 +32,7 @@ KBUILD_CFLAGS_DECOMPRESSOR += -fno-stack-protector
KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-member)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
-
-ifdef CONFIG_CC_IS_GCC
- ifeq ($(call cc-ifversion, -ge, 1200, y), y)
- ifeq ($(call cc-ifversion, -lt, 1300, y), y)
- KBUILD_CFLAGS += $(call cc-disable-warning, array-bounds)
- KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, array-bounds)
- endif
- endif
-endif
+KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_CC_NO_ARRAY_BOUNDS),-Wno-array-bounds)
UTS_MACHINE := s390x
STACK_SIZE := $(if $(CONFIG_KASAN),65536,16384)
diff --git a/init/Kconfig b/init/Kconfig
index c984afc489de..c7900e8975f1 100644
--- a/init/Kconfig
+++ b/init/Kconfig
@@ -885,6 +885,15 @@ config CC_IMPLICIT_FALLTHROUGH
default "-Wimplicit-fallthrough=5" if CC_IS_GCC && $(cc-option,-Wimplicit-fallthrough=5)
default "-Wimplicit-fallthrough" if CC_IS_CLANG && $(cc-option,-Wunreachable-code-fallthrough)
+# Currently, disable gcc-12 array-bounds globally.
+# We may want to target only particular configurations some day.
+config GCC12_NO_ARRAY_BOUNDS
+ def_bool y
+
+config CC_NO_ARRAY_BOUNDS
+ bool
+ default y if CC_IS_GCC && GCC_VERSION >= 120000 && GCC_VERSION < 130000 && GCC12_NO_ARRAY_BOUNDS
+
#
# For architectures that know their GCC __int128 support is sound
#