From: Avi Kivity <avi@redhat.com>
To: "Han, Weidong" <weidong.han@intel.com>
Cc: "'kvm@vger.kernel.org'" <kvm@vger.kernel.org>
Subject: Re: [PATCH 1/2] kvm: qemu: add warning message when assign device without IOMMU
Date: Thu, 26 Mar 2009 14:00:21 +0200 [thread overview]
Message-ID: <49CB6E55.4070407@redhat.com> (raw)
In-Reply-To: <715D42877B251141A38726ABF5CABF2C01A11B66ED@pdsmsx503.ccr.corp.intel.com>
Han, Weidong wrote:
> When user wants to assign device with IOMMU, but IOMMU is not
> enabled, add warning messages to prompt user this situation, and
> return error. Or device will be assigned but it cannot work.
>
If the device has does not do DMA (say a serial port) then it can be
assigned. Can we check the device for dma capability and allow this
special case?
--
error compiling committee.c: too many arguments to function
next prev parent reply other threads:[~2009-03-26 12:00 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-03-26 9:02 [PATCH 1/2] kvm: qemu: add warning message when assign device without IOMMU Han, Weidong
2009-03-26 12:00 ` Avi Kivity [this message]
2009-03-27 3:38 ` Han, Weidong
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