diff options
Diffstat (limited to 'Makefile')
| -rw-r--r-- | Makefile | 18 |
1 files changed, 6 insertions, 12 deletions
@@ -2,7 +2,7 @@ VERSION = 5 PATCHLEVEL = 16 SUBLEVEL = 0 -EXTRAVERSION = -rc8 +EXTRAVERSION = NAME = Gobble Gobble # *DOCUMENTATION* @@ -688,17 +688,6 @@ ifdef CONFIG_FUNCTION_TRACER CC_FLAGS_FTRACE := -pg endif -ifdef CONFIG_CC_IS_GCC -RETPOLINE_CFLAGS := $(call cc-option,-mindirect-branch=thunk-extern -mindirect-branch-register) -RETPOLINE_VDSO_CFLAGS := $(call cc-option,-mindirect-branch=thunk-inline -mindirect-branch-register) -endif -ifdef CONFIG_CC_IS_CLANG -RETPOLINE_CFLAGS := -mretpoline-external-thunk -RETPOLINE_VDSO_CFLAGS := -mretpoline -endif -export RETPOLINE_CFLAGS -export RETPOLINE_VDSO_CFLAGS - include $(srctree)/arch/$(SRCARCH)/Makefile ifdef need-config @@ -953,6 +942,11 @@ KBUILD_CFLAGS += -Wvla # disable pointer signed / unsigned warnings in gcc 4.0 KBUILD_CFLAGS += -Wno-pointer-sign +# In order to make sure new function cast mismatches are not introduced +# in the kernel (to avoid tripping CFI checking), the kernel should be +# globally built with -Wcast-function-type. +KBUILD_CFLAGS += $(call cc-option, -Wcast-function-type) + # disable stringop warnings in gcc 8+ KBUILD_CFLAGS += $(call cc-disable-warning, stringop-truncation) |