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Date: Mon, 12 Dec 2011 11:20:52 +0000
From: Alan Cox <alan@lxorguk.ukuu.org.uk>
To: Ingo Molnar <mingo@elte.hu>
Cc: Sasha Levin <levinsasha928@gmail.com>,
        Thomas Gleixner <tglx@linutronix.de>,
        Pekka Enberg <penberg@kernel.org>, LKML <linux-kernel@vger.kernel.org>
Subject: Re: [patch 0/3] kvm tool: Serial emulation overhaul
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> [*] Also, those 10K cycles include some significant Qemu 
>     overhead - a couple of thousand cycles - that should be much 
>     lower in the tools/kvm case.

Are all the traps going into qemu - is KVM still that braindead ?

Alan