2018-01-11 18:22 GMT+09:00 Xiongfeng Wang <wangxiongfeng2@xxxxxxxxxx>: > From: Xiongfeng Wang <xiongfeng.wang@xxxxxxxxxx> > > gcc-8 reports many -Wpacked-not-aligned warnings. The below are some > examples. > > ./include/linux/ceph/msgr.h:67:1: warning: alignment 1 of 'struct > ceph_entity_addr' is less than 8 [-Wpacked-not-aligned] > } __attribute__ ((packed)); > > ./include/linux/ceph/msgr.h:67:1: warning: alignment 1 of 'struct > ceph_entity_addr' is less than 8 [-Wpacked-not-aligned] > } __attribute__ ((packed)); > > ./include/linux/ceph/msgr.h:67:1: warning: alignment 1 of 'struct > ceph_entity_addr' is less than 8 [-Wpacked-not-aligned] > } __attribute__ ((packed)); > > This patch suppress this kind of warnings for default setting. > > Signed-off-by: Xiongfeng Wang <xiongfeng.wang@xxxxxxxxxx> > --- > scripts/Makefile.extrawarn | 3 +++ > 1 file changed, 3 insertions(+) > > diff --git a/scripts/Makefile.extrawarn b/scripts/Makefile.extrawarn > index c6ebf42..8d53570 100644 > --- a/scripts/Makefile.extrawarn > +++ b/scripts/Makefile.extrawarn > @@ -11,6 +11,8 @@ > # are not supported by all versions of the compiler > # ========================================================================== > > +KBUILD_CFLAGS += $(call cc-disable-warning, packed-not-aligned) > + I moved this to else case of KBUILD_ENABLE_EXTRA_GCC_CHECKS Please let me know if you see a problem. -- Best Regards Masahiro Yamada -- To unsubscribe from this list: send the line "unsubscribe linux-kbuild" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
