From mboxrd@z Thu Jan  1 00:00:00 1970
From: Avi Kivity <avi@qumranet.com>
Subject: Re: [PATCH 2/2] KVM: Device assignemnt with VT-d
Date: Sun, 24 Aug 2008 13:00:34 +0300
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References: <1218118487-7657-1-git-send-email-benami@il.ibm.com> <200808231427.42578.amit.shah@qumranet.com> <48AFD852.8040604@qumranet.com> <200808231513.19684.amit.shah@qumranet.com>
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Cc: Ben-Ami Yassour <benami@il.ibm.com>, kvm@vger.kernel.org,
	Muli Ben-Yehuda <muli@il.ibm.com>, weidong.han@intel.com,
	"Kay, Allen M" <allen.m.kay@intel.com>
To: Amit Shah <amit.shah@qumranet.com>
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Amit Shah wrote:
>> That only detects if the headers have the flag, not if the kernel
>> actually supports it (and whether there is an iommu in the host).  We
>> need run-time detection.
>>     
>
> Which means we expose KVM_CAP_IOMMU only if one was detected? 

Yes.

> How to do this 
> correctly?
>   

I don't know.  Can't the VT-d api tell you if an iommu exists?

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