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 <penberg@xxxxxxxxxx> wrote: >> >>> On Thu, Aug 30, 2012 at 10:36 AM, Sasha Levin <levinsasha928@xxxxxxxxx> 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 <levinsasha928@xxxxxxxxx> >>> >>> 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 majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
