Commit 5ba35a6c authored by Heiko Carstens's avatar Heiko Carstens
Browse files

s390/boot: Add -Wno-default-const-init-unsafe to KBUILD_CFLAGS 



Add -Wno-default-const-init-unsafe to boot KBUILD_CFLAGS, similar to
scripts/Makefile.extrawarn, since clang generates warnings for the dummy
variable in typecheck():

    CC      arch/s390/boot/version.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: default avatarHeiko Carstens <hca@linux.ibm.com>
parent 9448598b

arch/s390/boot/Makefile

+1 −0
Original line number Diff line number Diff line
@@ -21,6 +21,7 @@ KBUILD_AFLAGS := $(filter-out $(CC_FLAGS_MARCH),$(KBUILD_AFLAGS_DECOMPRESSOR)) 
KBUILD_CFLAGS := $(filter-out $(CC_FLAGS_MARCH),$(KBUILD_CFLAGS_DECOMPRESSOR))

KBUILD_AFLAGS += $(CC_FLAGS_MARCH_MINIMUM) -D__DISABLE_EXPORTS

KBUILD_CFLAGS += $(CC_FLAGS_MARCH_MINIMUM) -D__DISABLE_EXPORTS

KBUILD_CFLAGS += $(call cc-option, -Wno-default-const-init-unsafe)



CFLAGS_sclp_early_core.o += -I$(srctree)/drivers/s390/char