On 08/30/2012 10:22 AM, Cyrill Gorcunov wrote:
> On Thu, Aug 30, 2012 at 10:16:54AM +0200, Ingo Molnar wrote:
>>
>> * Pekka Enberg <penb...@kernel.org> wrote:
>>
>>> On Thu, Aug 30, 2012 at 10:36 AM, Sasha Levin <levinsasha...@gmail.com> 
>>> wrote:
>>>> Build with -flto set, which should enable link-time-optimizations.
>>>>
>>>> I'm not sure if it provides a significant performance increase, but
>>>> it's probably just worth it for catching issues which it may cause.
>>>>
>>>> Signed-off-by: Sasha Levin <levinsasha...@gmail.com>
>>>
>>> Ingo, any objections to this?
>>
>> No objections if you can live with a 2x-4x increase in build 
>> time - at worst it might cause funnies with the BIOS linker 
>> script and such.
> 
> Maybe we could enable it via some make option?
> Say make LTO=1 or something?

Build time went from 6 sec to 14, I don't think it's that significant...


--
To unsubscribe from this list: send the line "unsubscribe kvm" in
the body of a message to majord...@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html

Reply via email to