Hi Matthias, 2017-03-31 1:41 GMT+09:00 Matthias Kaehlcke <mka@xxxxxxxxxxxx>: > El Fri, Mar 31, 2017 at 01:03:02AM +0900 Masahiro Yamada ha dit: > >> 2017-03-28 10:19 GMT+09:00 Matthias Kaehlcke <mka@xxxxxxxxxxxx>: >> > This generates smaller resulting object code when compiled with clang. >> > >> > Signed-off-by: Matthias Kaehlcke <mka@xxxxxxxxxxxx> >> > --- >> > Makefile | 3 ++- >> > 1 file changed, 2 insertions(+), 1 deletion(-) >> > >> > diff --git a/Makefile b/Makefile >> > index b2faa9319372..66bcdbf58371 100644 >> > --- a/Makefile >> > +++ b/Makefile >> > @@ -638,7 +638,8 @@ KBUILD_CFLAGS += $(call cc-option,-fdata-sections,) >> > endif >> > >> > ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE >> > -KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,) >> > +KBUILD_CFLAGS += $(call cc-option,-Oz,-Os) >> > +KBUILD_CFLAGS += $(call cc-disable-warning,maybe-uninitialized,) >> > else >> > ifdef CONFIG_PROFILE_ALL_BRANCHES >> > KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,) >> > >> >> >> >> This is the same as the following commit in LLVMLinux >> except Author/Signed-off-by. >> >> Who should the authorship really belong to? > > (this time without html, sorry for the noise) > > It should belong to Behan, I missed to add a 'From' tag, sorry about > that. Should I resend with the tag or can you fix it when applying the > patch? No need to re-send it. I can fixup it manually. -- 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
