Re: [PATCH] Add Intel Ivy bridge CPU flags

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on 30/01/13 04:34 H. Peter Anvin gazed into the seeing stone and said...:
> On 01/24/2013 09:41 AM, Sam Ravnborg wrote:
>>
>>> --- a/arch/x86/Makefile_32.cpu
>>> +++ b/arch/x86/Makefile_32.cpu
>>> @@ -33,6 +33,7 @@ cflags-$(CONFIG_MCYRIXIII)    += $(call
>>> cc-option,-march=c3,-march=i486) $(align)-f
>>>   cflags-$(CONFIG_MVIAC3_2)    += $(call cc-option,-march=c3-2,-march=i686)
>>>   cflags-$(CONFIG_MVIAC7)        += -march=i686
>>>   cflags-$(CONFIG_MCORE2)        += -march=i686 $(call tune,core2)
>>> +cflags-$(CONFIG_MIVYBRIDGE)        += -march=i686 $(call tune,core-avx-i)
>>>   cflags-$(CONFIG_MATOM)        += $(call cc-option,-march=atom,$(call
>>> cc-option,-march=core2,-march=i686)) \
>>>       $(call cc-option,-mtune=atom,$(call cc-option,-mtune=generic))
>>
>> Not a fault in your patch - but the x86 guys should learn to use the
>> X86_ prefix on x86 specific config symbols :-(
>> For consistency do not add it.
>>
> 
> These are some of the oldest config symbols in the entire kernel.
> 
>     -hpa
> 

That maybe so, I just want to be able to build an ivy bridge optimised kernel
without having to think about it too much. While I don't know how much it'd
bring, this is more of a convenience than anything else.

Alec

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