From: Avi Kivity <avi@qumranet.com>
To: Amit Shah <amit.shah@qumranet.com>
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>
Subject: Re: [PATCH 2/2] KVM: Device assignemnt with VT-d
Date: Sun, 24 Aug 2008 13:00:34 +0300 [thread overview]
Message-ID: <48B13142.3010306@qumranet.com> (raw)
In-Reply-To: <200808231513.19684.amit.shah@qumranet.com>
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
next prev parent reply other threads:[~2008-08-24 10:00 UTC|newest]
Thread overview: 21+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-07 14:14 [PATCH 1/2] VT-d: changes to support KVM Ben-Ami Yassour
2008-08-07 14:14 ` [PATCH 2/2] KVM: Device assignemnt with VT-d Ben-Ami Yassour
2008-08-07 14:19 ` Patch-set description Ben-Ami Yassour
2008-08-13 9:38 ` [PATCH 2/2] KVM: Device assignemnt with VT-d Yang, Sheng
2008-08-13 9:46 ` Avi Kivity
2008-08-13 10:20 ` Yang, Sheng
2008-08-21 6:43 ` Amit Shah
2008-08-21 11:05 ` Ben-Ami Yassour
2008-08-21 13:46 ` Amit Shah
2008-08-22 7:44 ` Amit Shah
2008-08-22 18:18 ` Avi Kivity
2008-08-23 8:57 ` Amit Shah
2008-08-23 9:28 ` Avi Kivity
2008-08-23 9:43 ` Amit Shah
2008-08-24 10:00 ` Avi Kivity [this message]
2008-08-25 5:49 ` Han, Weidong
2008-08-26 7:32 ` Amit Shah
2008-08-26 8:25 ` Avi Kivity
2008-08-13 9:21 ` [PATCH 1/2] VT-d: changes to support KVM Yang, Sheng
2008-08-13 9:21 ` Avi Kivity
-- strict thread matches above, loose matches on Subject: below --
2008-08-21 11:10 VT-d support for device assignment Ben-Ami Yassour
2008-08-21 11:10 ` [PATCH 1/2] VT-d: changes to support KVM Ben-Ami Yassour
2008-08-21 11:10 ` [PATCH 2/2] KVM: Device assignemnt with VT-d Ben-Ami Yassour
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