VERSION = 5
PATCHLEVEL = 16
SUBLEVEL = 0
-EXTRAVERSION = -rc3
+EXTRAVERSION =
NAME = Gobble Gobble
# *DOCUMENTATION*
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
KBUILD_CFLAGS += $(stackp-flags-y)
KBUILD_CFLAGS-$(CONFIG_WERROR) += -Werror
-KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH)
+KBUILD_CFLAGS += $(KBUILD_CFLAGS-y) $(CONFIG_CC_IMPLICIT_FALLTHROUGH:"%"=%)
ifdef CONFIG_CC_IS_CLANG
KBUILD_CPPFLAGS += -Qunused-arguments
# 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 += $(call cc-disable-warning, stringop-truncation)
ifneq ($(dtstree),)
-%.dtb: dt_binding_check include/config/kernel.release scripts_dtc
- $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ $(dtstree)/$*.dt.yaml
+%.dtb: include/config/kernel.release scripts_dtc
+ $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
-%.dtbo: dt_binding_check include/config/kernel.release scripts_dtc
- $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@ $(dtstree)/$*.dt.yaml
+%.dtbo: include/config/kernel.release scripts_dtc
+ $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
PHONY += dtbs dtbs_install dtbs_check
dtbs: include/config/kernel.release scripts_dtc
$(Q)$(MAKE) $(build)=$(dtstree)
-ifneq ($(filter dtbs_check %.dtb %.dtbo, $(MAKECMDGOALS)),)
+ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
export CHECK_DTBS=y
dtbs: dt_binding_check
endif