Makefile: disallow data races on gcc-10 as well

[linux-block.git] / Makefile

diff --git a/Makefile b/Makefile
index 5435d11d82761b0ff6e04b868dbd61d15e3d51ad..8533bb68d69b235f98f8dbf63b4fb02a5ed370e4 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -255,7 +255,7 @@ clean-targets := %clean mrproper cleandocs
 no-dot-config-targets := $(clean-targets) \
                         cscope gtags TAGS tags help% %docs check% coccicheck \
                         $(version_h) headers headers_% archheaders archscripts \
-                        %asm-generic kernelversion %src-pkg
+                        %asm-generic kernelversion %src-pkg dt_binding_check
 no-sync-config-targets := $(no-dot-config-targets) install %install \
                           kernelrelease
 single-targets := %.a %.i %.ko %.lds %.ll %.lst %.mod %.o %.s %.symtypes %/
@@ -717,6 +717,7 @@ endif
 
 # Tell gcc to never replace conditional load with a non-conditional one
 KBUILD_CFLAGS  += $(call cc-option,--param=allow-store-data-races=0)
+KBUILD_CFLAGS  += $(call cc-option,-fno-allow-store-data-races)
 
 include scripts/Makefile.kcov
 include scripts/Makefile.gcc-plugins
@@ -1066,9 +1067,12 @@ endif
 
 autoksyms_h := $(if $(CONFIG_TRIM_UNUSED_KSYMS), include/generated/autoksyms.h)
 
+quiet_cmd_autoksyms_h = GEN     $@
+      cmd_autoksyms_h = mkdir -p $(dir $@); \
+                       $(CONFIG_SHELL) $(srctree)/scripts/gen_autoksyms.sh $@
+
 $(autoksyms_h):
-       $(Q)mkdir -p $(dir $@)
-       $(Q)touch $@
+       $(call cmd,autoksyms_h)
 
 ARCH_POSTLINK := $(wildcard $(srctree)/arch/$(SRCARCH)/Makefile.postlink)
 
@@ -1243,11 +1247,15 @@ ifneq ($(dtstree),)
        $(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
 
 PHONY += dtbs dtbs_install dtbs_check
-dtbs dtbs_check: include/config/kernel.release scripts_dtc
+dtbs: include/config/kernel.release scripts_dtc
        $(Q)$(MAKE) $(build)=$(dtstree)
 
-dtbs_check: export CHECK_DTBS=1
-dtbs_check: dt_binding_check
+ifneq ($(filter dtbs_check, $(MAKECMDGOALS)),)
+export CHECK_DTBS=y
+dtbs: dt_binding_check
+endif
+
+dtbs_check: dtbs
 
 dtbs_install:
        $(Q)$(MAKE) $(dtbinst)=$(dtstree)
@@ -1262,6 +1270,10 @@ PHONY += scripts_dtc
 scripts_dtc: scripts_basic
        $(Q)$(MAKE) $(build)=scripts/dtc
 
+ifneq ($(filter dt_binding_check, $(MAKECMDGOALS)),)
+export CHECK_DT_BINDING=y
+endif
+
 PHONY += dt_binding_check
 dt_binding_check: scripts_dtc
        $(Q)$(MAKE) $(build)=Documentation/devicetree/bindings