Messages in this thread | | | From | Arnd Bergmann <> | Subject | Re: [PATCH] Kbuild: disable 'maybe-uninitialized' warning for CONFIG_PROFILE_ALL_BRANCHES | Date | Tue, 24 Nov 2015 11:42:09 +0100 |
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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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