From: Heiko Carstens Date: Fri, 12 Dec 2025 15:47:07 +0000 (+0100) Subject: s390/purgatory: Add -Wno-default-const-init-unsafe to KBUILD_CFLAGS X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=b4780fe4ddf04b51127a33d705f4a2e224df00fa;p=thirdparty%2Fkernel%2Flinux.git s390/purgatory: Add -Wno-default-const-init-unsafe to KBUILD_CFLAGS Add -Wno-default-const-init-unsafe to purgatory KBUILD_CFLAGS, similar to scripts/Makefile.extrawarn, since clang generates warnings for the dummy variable in typecheck(): CC arch/s390/purgatory/purgatory.o arch/s390/include/asm/ptrace.h:221:9: warning: default initialization of an object of type 'typeof (regs->psw)' (aka 'const psw_t') leaves the object uninitialized [-Wdefault-const-init-var-unsafe] 221 | return psw_bits(regs->psw).pstate; | ^ arch/s390/include/asm/ptrace.h:98:2: note: expanded from macro 'psw_bits' 98 | typecheck(psw_t, __psw); \ | ^ include/linux/typecheck.h:11:12: note: expanded from macro 'typecheck' 11 | typeof(x) __dummy2; \ | ^ Signed-off-by: Heiko Carstens --- diff --git a/arch/s390/purgatory/Makefile b/arch/s390/purgatory/Makefile index 0c196a5b194af..61d240a37633d 100644 --- a/arch/s390/purgatory/Makefile +++ b/arch/s390/purgatory/Makefile @@ -23,6 +23,7 @@ KBUILD_CFLAGS += -D__DISABLE_EXPORTS KBUILD_CFLAGS += $(CLANG_FLAGS) KBUILD_CFLAGS += $(if $(CONFIG_CC_IS_CLANG),-Wno-microsoft-anon-tag) KBUILD_CFLAGS += $(call cc-option,-fno-PIE) +KBUILD_CFLAGS += $(call cc-option, -Wno-default-const-init-unsafe) KBUILD_AFLAGS := $(filter-out -DCC_USING_EXPOLINE,$(KBUILD_AFLAGS)) KBUILD_AFLAGS += -D__DISABLE_EXPORTS