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authorHeiko Carstens <heiko.carstens@de.ibm.com>2019-06-04 13:10:51 +0200
committerHeiko Carstens <heiko.carstens@de.ibm.com>2019-06-11 09:46:43 +0200
commitf9364df30420987e77599c4789ec0065c609a507 (patch)
treee0b543df69c33e4f21f32d38ab4be74adef10f3b
parentLinux 5.2-rc4 (diff)
downloadlinux-dev-f9364df30420987e77599c4789ec0065c609a507.tar.xz
linux-dev-f9364df30420987e77599c4789ec0065c609a507.zip
s390/boot: disable address-of-packed-member warning
Get rid of gcc9 warnings like this: arch/s390/boot/ipl_report.c: In function 'find_bootdata_space': arch/s390/boot/ipl_report.c:42:26: warning: taking address of packed member of 'struct ipl_rb_components' may result in an unaligned pointer value [-Waddress-of-packed-member] 42 | for_each_rb_entry(comp, comps) | ^~~~~ This is effectively the s390 variant of commit 20c6c1890455 ("x86/boot: Disable the address-of-packed-member compiler warning"). Reviewed-by: Vasily Gorbik <gor@linux.ibm.com> Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
-rw-r--r--arch/s390/Makefile1
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/Makefile b/arch/s390/Makefile
index de8521fc9de5..e48013cf50a2 100644
--- a/arch/s390/Makefile
+++ b/arch/s390/Makefile
@@ -30,6 +30,7 @@ KBUILD_CFLAGS_DECOMPRESSOR += -DDISABLE_BRANCH_PROFILING -D__NO_FORTIFY
KBUILD_CFLAGS_DECOMPRESSOR += -fno-delete-null-pointer-checks -msoft-float
KBUILD_CFLAGS_DECOMPRESSOR += -fno-asynchronous-unwind-tables
KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-option,-ffreestanding)
+KBUILD_CFLAGS_DECOMPRESSOR += $(call cc-disable-warning, address-of-packed-member)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO),-g)
KBUILD_CFLAGS_DECOMPRESSOR += $(if $(CONFIG_DEBUG_INFO_DWARF4), $(call cc-option, -gdwarf-4,))
UTS_MACHINE := s390x