From mboxrd@z Thu Jan  1 00:00:00 1970
From: Amit Shah <amit.shah@redhat.com>
Subject: Re: Remaining passthrough/VT-d tasks list
Date: Wed, 24 Sep 2008 13:32:02 +0530
Message-ID: <200809241332.02833.amit.shah@redhat.com>
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Cc: "Yang, Sheng" <sheng.yang@intel.com>, kvm@vger.kernel.org,
	"Avi Kivity" <avi@redhat.com>, benami@il.ibm.com, muli@il.ibm.com,
	"Kay, Allen M" <allen.m.kay@intel.com>,
	"Zhang, Xiantao" <xiantao.zhang@intel.com>
To: "Han, Weidong" <weidong.han@intel.com>
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* On Wednesday 24 Sep 2008 13:21:25 Han, Weidong wrote:
> Amit Shah wrote:
 
>>>         - Add dummy driver to hide/unbind passthrough device from
>>> host kernel

> > This isn't needed; we currently don't assign the device to the guest
> > if we find that a driver is already loaded. I intend to change it to
> > failing guest start altogether in case we find a module already using
> > a device. When a guest exits, we release all the structures and hence
> > even unloading kvm is not needed to reclaim the device on the host
> > side.
>
> This task needn't targe 2.6.28. For long term, we need it to make device
> assignment more user friendly.

How is the current scheme not user friendly? Or, how will adding a "dummy 
driver" be more user friendly?