From: Joerg Roedel <joerg.roedel@amd.com>
To: Ingo Molnar <mingo@elte.hu>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>,
Yinghai Lu <yinghai@kernel.org>,
Weidong Han <weidong.han@intel.com>,
dwmw2@infradead.org, suresh.b.siddha@intel.com,
linux-kernel@vger.kernel.org, iommu@lists.linux-foundation.org,
kvm@vger.kernel.org
Subject: Re: [PATCH v2 2/2] Intel-IOMMU, intr-remap: source-id checking
Date: Wed, 20 May 2009 11:43:10 +0200 [thread overview]
Message-ID: <20090520094310.GF9835@amd.com> (raw)
In-Reply-To: <20090520082114.GC6736@elte.hu>
On Wed, May 20, 2009 at 10:21:14AM +0200, Ingo Molnar wrote:
>
> * Eric W. Biederman <ebiederm@xmission.com> wrote:
> > Being a major nitpick, I have to point out that the code is not
> > structured to support other iommus, and I think AMD has one that
> > can do this as well.
>
> (Joerg Cc:-ed)
The AMD IOMMU does also have an interrupt remapping feature. But it is
currently unsupported in the Linux driver. When this is going to be
implemented I think we can go the same way as for device passthrough in
KVM. This was an Intel-only feature too and was later adapted to support
AMD IOMMU too.
Joerg
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next prev parent reply other threads:[~2009-05-20 9:43 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-05-19 18:31 [PATCH v2 0/2] Intel-IOMMU: source-id checking for interrupt remapping Weidong Han
2009-05-19 18:31 ` [PATCH v2 1/2] Intel-IOMMU, intr-remap: set the whole 128bits of irte when modify/free it Weidong Han
2009-05-19 12:14 ` Ingo Molnar
2009-05-19 14:15 ` Han, Weidong
2009-05-19 18:31 ` [PATCH v2 2/2] Intel-IOMMU, intr-remap: source-id checking Weidong Han
2009-05-19 11:50 ` Ingo Molnar
2009-05-19 14:12 ` Han, Weidong
2009-05-19 19:28 ` Eric W. Biederman
2009-05-20 8:21 ` Ingo Molnar
2009-05-20 8:38 ` Han, Weidong
2009-05-20 12:13 ` Eric W. Biederman
2009-05-20 9:43 ` Joerg Roedel [this message]
2009-05-20 12:02 ` Eric W. Biederman
2009-05-20 12:24 ` Eric W. Biederman
2009-05-21 9:00 ` Han, Weidong
2009-05-21 10:04 ` Eric W. Biederman
2009-05-21 13:37 ` Han, Weidong
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