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From: Avi Kivity <avi@redhat.com>
To: Alan Cox <alan@lxorguk.ukuu.org.uk>
Cc: Ingo Molnar <mingo@elte.hu>,
	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
Date: Mon, 12 Dec 2011 20:16:33 +0200	[thread overview]
Message-ID: <4EE64501.4070809@redhat.com> (raw)
In-Reply-To: <20111212112052.30a568f7@pyramind.ukuu.org.uk>

On 12/12/2011 01:20 PM, Alan Cox wrote:
> > [*] 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

Only the ones that go to devices modelled in userspace.

>  - is KVM still that braindead ?

It has only been this way.

-- 
error compiling committee.c: too many arguments to function


  parent reply	other threads:[~2011-12-12 18:17 UTC|newest]

Thread overview: 46+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-12-10 13:27 [patch 0/3] kvm tool: Serial emulation overhaul Thomas Gleixner
2011-12-10 13:27 ` [patch 1/3] kvm tool: serial: Cleanup coding style Thomas Gleixner
2011-12-10 13:27 ` [patch 2/3] kvm tool: serial: Simplify switch cases Thomas Gleixner
2011-12-10 13:27 ` [patch 3/3] kvm tool: serial: Fix interrupt handling Thomas Gleixner
2011-12-10 15:17 ` [patch 0/3] kvm tool: Serial emulation overhaul Pekka Enberg
2011-12-10 20:51   ` Thomas Gleixner
2011-12-11  8:15     ` Pekka Enberg
2011-12-11 10:30       ` Ingo Molnar
2011-12-11 10:46         ` Ingo Molnar
2011-12-11 14:04         ` Thomas Gleixner
2011-12-11 15:53           ` Ingo Molnar
2011-12-12  5:30             ` Sasha Levin
2011-12-12 11:12               ` Ingo Molnar
2011-12-12 11:20                 ` Alan Cox
2011-12-12 17:20                   ` Ingo Molnar
2011-12-12 18:16                   ` Avi Kivity [this message]
2011-12-12 18:16                   ` Avi Kivity
2011-12-12 21:36                     ` Alan Cox
2011-12-13 10:32                       ` Avi Kivity
2011-12-12 11:23                 ` Cyrill Gorcunov
2011-12-12 17:40                 ` Sasha Levin
2011-12-12 17:45                   ` Ingo Molnar
2011-12-12  9:42             ` Thomas Gleixner
2011-12-12 11:19             ` Pekka Enberg
2011-12-12 17:20               ` Ingo Molnar
2011-12-12 18:40                 ` Pekka Enberg
2011-12-12 19:14                   ` Pekka Enberg
2011-12-12 19:21                   ` Ingo Molnar
2011-12-13  0:59                     ` Thomas Gleixner
2011-12-13  7:03                       ` Pekka Enberg
2011-12-13 11:05                         ` Alan Cox
2011-12-13 10:58                       ` Avi Kivity
2011-12-13 13:52                         ` Thomas Gleixner
2011-12-13 14:23                           ` Avi Kivity
2011-12-13 14:30                             ` Sasha Levin
2011-12-13 14:51                             ` Thomas Gleixner
2011-12-13 14:58                               ` Avi Kivity
2011-12-12 21:03                   ` James Courtier-Dutton
2011-12-12 18:19               ` Avi Kivity
2011-12-12 18:31                 ` Pekka Enberg
2011-12-13 10:33                   ` Avi Kivity
2011-12-12 10:27           ` Alan Cox
2011-12-12 10:59             ` Sasha Levin
2011-12-12 11:02               ` Alan Cox
2011-12-12 18:21                 ` Avi Kivity
2011-12-12 17:21               ` Ingo Molnar

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