On Tuesday 24 November 2015 11:20:43 Michal Marek wrote:
> > diff --git a/Makefile b/Makefile
> > index 5e01a416c6e4..f8b921658f29 100644
> > --- a/Makefile
> > +++ b/Makefile
> > @@ -626,7 +626,11 @@ KBUILD_CFLAGS += $(call
> > cc-option,-fno-delete-null-pointer-checks,)
> > ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE
> > KBUILD_CFLAGS += -Os $(call cc-disable-warning,maybe-uninitialized,)
> > else
> > -KBUILD_CFLAGS += -O2
> > +ifdef CONFIG_PROFILE_ALL_BRANCHES
> > +KBUILD_CFLAGS += -O2 $(call cc-disable-warning,maybe-uninitialized,)
> > +else
> > +KBUILD_CFLAGS += -O2
> > +endif
>
> Does it only happen with -O2? Normally, we would add it outside the
> ifdef CONFIG_CC_OPTIMIZE_FOR_SIZE.
>
We already disable the warning for -Os builds based on a patch we merged
a while ago. It seems easier to add it to the block we already have.
Arnd
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