Re: [PATCH] Kbuild: disable 'maybe-uninitialized' warning for CONFIG_PROFILE_ALL_BRANCHES

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On 2015-11-24 11:42, Arnd Bergmann wrote:
> 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.

I'm blind, sorry.

Michal

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