Kernel KVM virtualization development
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From: Cyrill Gorcunov <gorcunov@openvz.org>
To: Sasha Levin <levinsasha928@gmail.com>
Cc: Pekka Enberg <penberg@kernel.org>, Ingo Molnar <mingo@kernel.org>,
	asias.hejun@gmail.com, mingo@elte.hu, kvm@vger.kernel.org
Subject: Re: [PATCH 5/7] kvm tools: enable LTO
Date: Thu, 30 Aug 2012 12:35:32 +0400	[thread overview]
Message-ID: <20120830083532.GI21422@moon> (raw)
In-Reply-To: <503F2551.2080909@gmail.com>

On Thu, Aug 30, 2012 at 10:33:21AM +0200, Sasha Levin wrote:
> >>>
> >>> 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...

At moment. But I bet lkvm will grow with time and build time increase
as well. Still if you think we better stick with LTO, no problem,
lets do it then ;)

	Cyrill

  reply	other threads:[~2012-08-30  8:35 UTC|newest]

Thread overview: 17+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-08-30  7:36 [PATCH 1/7] kvm tools: add HOME env var to hostfs Sasha Levin
2012-08-30  7:36 ` [PATCH 2/7] kvm tools: clean garbage from ioeventfd code Sasha Levin
2012-08-30  7:36 ` [PATCH 3/7] kvm tools: Use the new KVM_SIGNAL_MSI ioctl to inject interrupts directly Sasha Levin
2012-08-30  7:36 ` [PATCH 4/7] kvm tools: fix warnings in virtio-blk Sasha Levin
2012-08-30  7:36 ` [PATCH 5/7] kvm tools: enable LTO Sasha Levin
2012-08-30  8:01   ` Pekka Enberg
2012-08-30  8:16     ` Ingo Molnar
2012-08-30  8:22       ` Cyrill Gorcunov
2012-08-30  8:33         ` Sasha Levin
2012-08-30  8:35           ` Cyrill Gorcunov [this message]
2012-08-30  9:12         ` Pekka Enberg
2012-08-30  7:36 ` [PATCH 6/7] kvm tools: 9p don't nuke fids on attach Sasha Levin
2012-08-30  7:36 ` [PATCH 7/7] kvm tools: simplify virtio config handling Sasha Levin
2012-08-30  7:50 ` [PATCH 1/7] kvm tools: add HOME env var to hostfs Cyrill Gorcunov
2012-08-30  9:44   ` Sasha Levin
2012-08-30  9:48     ` Pekka Enberg
2012-08-30  9:51       ` Sasha Levin

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