From mboxrd@z Thu Jan  1 00:00:00 1970
From: Pekka Enberg <penberg@cs.helsinki.fi>
Subject: Re: [PATCH 2/2] kvm tools: Use host's resolv.conf within the guest
Date: Thu, 15 Sep 2011 09:22:56 +0300
Message-ID: <4E7199C0.4000701@cs.helsinki.fi>
References: <1316017706-12348-1-git-send-email-levinsasha928@gmail.com>  <1316017706-12348-2-git-send-email-levinsasha928@gmail.com>  <CAOJsxLEBb5BmNJ=4GS8YJ6t_Q_ECHhAWZFGDKmy=CafeXzm0OA@mail.gmail.com>  <1316065006.3743.0.camel@lappy> <4E7190B4.1060306@cs.helsinki.fi>  <1316066419.3743.5.camel@lappy>  <CAOJsxLG7dQXD_iq5dar-uswGeS564qWLwxzceWSJTp16TooAVA@mail.gmail.com> <1316066656.3743.6.camel@lappy>
Mime-Version: 1.0
Content-Type: text/plain; charset=ISO-8859-1; format=flowed
Content-Transfer-Encoding: 7bit
Cc: kvm@vger.kernel.org, mingo@elte.hu, asias.hejun@gmail.com,
	gorcunov@gmail.com
To: Sasha Levin <levinsasha928@gmail.com>
Return-path: <kvm-owner@vger.kernel.org>
Received: from courier.cs.helsinki.fi ([128.214.9.1]:48653 "EHLO
	mail.cs.helsinki.fi" rhost-flags-OK-OK-OK-OK) by vger.kernel.org
	with ESMTP id S1754403Ab1IOGW6 (ORCPT <rfc822;kvm@vger.kernel.org>);
	Thu, 15 Sep 2011 02:22:58 -0400
In-Reply-To: <1316066656.3743.6.camel@lappy>
Sender: kvm-owner@vger.kernel.org
List-ID: <kvm.vger.kernel.org>

On 9/15/11 9:04 AM, Sasha Levin wrote:
> On Thu, 2011-09-15 at 09:04 +0300, Pekka Enberg wrote:
>> On Thu, Sep 15, 2011 at 9:00 AM, Sasha Levin<levinsasha928@gmail.com>  wrote:
>>> Hm? If you it to the host's resolv.conf, a guest can edit host's file,
>>> no?
>>>
>>> Might even be not on purpose... For example, simply running dhcpcd on
>>> the guest.
>>
>> How is that going to happen if you're not running kvmtool as root?
>
> In that case, dhcpcd in the guest will simply break because it can't
> modify resolv.conf, no?

Yes. Why is that a problem? You're not supposed to launch a dhcp client
when using shared rootfs because kvmtool takes care of that for you.

			Pekka