rtc: ds1685: switch to RTC_FEATURE_UPDATE_INTERRUPT
[linux-2.6-microblaze.git] / Makefile
index 0851023..0fb4f94 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -1,8 +1,8 @@
 # SPDX-License-Identifier: GPL-2.0
 VERSION = 5
-PATCHLEVEL = 16
+PATCHLEVEL = 17
 SUBLEVEL = 0
-EXTRAVERSION =
+EXTRAVERSION = -rc1
 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
@@ -789,7 +778,7 @@ stackp-flags-$(CONFIG_STACKPROTECTOR_STRONG)      := -fstack-protector-strong
 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
@@ -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)
 
@@ -1284,15 +1278,6 @@ headers: $(version_h) scripts_unifdef uapi-asm-generic archheaders archscripts
        $(Q)$(MAKE) $(hdr-inst)=include/uapi
        $(Q)$(MAKE) $(hdr-inst)=arch/$(SRCARCH)/include/uapi
 
-# Deprecated. It is no-op now.
-PHONY += headers_check
-headers_check:
-       @echo >&2 "=================== WARNING ==================="
-       @echo >&2 "Since Linux 5.5, 'make headers_check' is no-op,"
-       @echo >&2 "and will be removed after Linux 5.15 release."
-       @echo >&2 "Please remove headers_check from your scripts."
-       @echo >&2 "==============================================="
-
 ifdef CONFIG_HEADERS_INSTALL
 prepare: headers
 endif
@@ -1503,7 +1488,7 @@ MRPROPER_FILES += include/config include/generated          \
                  debian snap tar-install \
                  .config .config.old .version \
                  Module.symvers \
-                 certs/signing_key.pem certs/signing_key.x509 \
+                 certs/signing_key.pem \
                  certs/x509.genkey \
                  vmlinux-gdb.py \
                  *.spec
@@ -1729,9 +1714,9 @@ PHONY += prepare
 # now expand this into a simple variable to reduce the cost of shell evaluations
 prepare: CC_VERSION_TEXT := $(CC_VERSION_TEXT)
 prepare:
-       @if [ "$(CC_VERSION_TEXT)" != $(CONFIG_CC_VERSION_TEXT) ]; then \
+       @if [ "$(CC_VERSION_TEXT)" != "$(CONFIG_CC_VERSION_TEXT)" ]; then \
                echo >&2 "warning: the compiler differs from the one used to build the kernel"; \
-               echo >&2 "  The kernel was built by: "$(CONFIG_CC_VERSION_TEXT); \
+               echo >&2 "  The kernel was built by: $(CONFIG_CC_VERSION_TEXT)"; \
                echo >&2 "  You are using:           $(CC_VERSION_TEXT)"; \
        fi