From: Avi Kivity <avi@redhat.com>
To: Mark McLoughlin <markmc@redhat.com>
Cc: "Han, Weidong" <weidong.han@intel.com>,
"Woodhouse, David" <david.woodhouse@intel.com>,
"'Jesse Barnes'" <jbarnes@virtuousgeek.org>,
"Yu, Fenghua" <fenghua.yu@intel.com>,
"'iommu@lists.linux-foundation.org'"
<iommu@lists.linux-foundation.org>,
"'kvm@vger.kernel.org'" <kvm@vger.kernel.org>
Subject: Re: [PATCH 01/13] iommu bitmap insteads of iommu pointer in dmar_domain
Date: Fri, 05 Dec 2008 18:42:05 +0200 [thread overview]
Message-ID: <493959DD.2000109@redhat.com> (raw)
In-Reply-To: <1228410746.3732.135.camel@blaa>
Mark McLoughlin wrote:
> Also, I wasn't sure at first what you meant by "native VT-d" ... you
> mean DMA-API VT-d usage as opposed to KVM device assignment usage,
> right? Perhaps we need a better term for that distinction.
>
>
dma-api is request-oriented (the API is called to set up and tear down a
single dma request), while the kvm usage is address space oriented (the
API is called to set up, maintain, and tear down an address space, over
which many dma requests can run). Perhaps someone can come up with
names that reflect that.
--
I have a truly marvellous patch that fixes the bug which this
signature is too narrow to contain.
prev parent reply other threads:[~2008-12-05 16:42 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-12-02 14:22 [PATCH 01/13] iommu bitmap insteads of iommu pointer in dmar_domain Han, Weidong
2008-12-04 17:12 ` Mark McLoughlin
2008-12-05 0:52 ` Han, Weidong
2008-12-05 16:42 ` Avi Kivity [this message]
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