[PATCH v2] use -fstack-protector-strong

[H. Peter Anvin]

On 11/27/2013 09:54 AM, Ingo Molnar wrote:
>>
>> Looks to be 2% for defconfig. That's way better. Shall I send a v3?
> 
> Well, it's better than 9%, but still almost an order of magnitude 
> higher than the cost is today, and a lot of distros have 
> CONFIG_CC_STACKPROTECTOR=y.
> 
> So it would be nice to measure how much the instruction count goes up 
> in some realistic system-bound test. How much does something like 
> kernel/built-in.o increase, as per 'size' output?
> 

Do we need CONFIG_CC_STACKPROTECTOR_STRONG?

	-hpa