From mboxrd@z Thu Jan  1 00:00:00 1970
From: Cyrill Gorcunov <gorcunov@openvz.org>
Subject: Re: [PATCH 5/7] kvm tools: enable LTO
Date: Thu, 30 Aug 2012 12:22:17 +0400
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Cc: Ingo Molnar <mingo@kernel.org>,
	Sasha Levin <levinsasha928@gmail.com>, asias.hejun@gmail.com,
	mingo@elte.hu, kvm@vger.kernel.org
To: Pekka Enberg <penberg@kernel.org>
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On Thu, Aug 30, 2012 at 10:16:54AM +0200, Ingo Molnar wrote:
> 
> * Pekka Enberg <penberg@kernel.org> wrote:
> 
> > On Thu, Aug 30, 2012 at 10:36 AM, Sasha Levin <levinsasha928@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 <levinsasha928@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?

	Cyrill