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From: Peter Xu <peterx@redhat.com>
To: David Kiarie <davidkiarie4@gmail.com>
Cc: Jan Kiszka <jan.kiszka@web.de>,
	QEMU Developers <qemu-devel@nongnu.org>,
	imammedo@redhat.com, rth@twiddle.net, ehabkost@redhat.com,
	jasowang@redhat.com, Marcel Apfelbaum <marcel@redhat.com>,
	"Michael S. Tsirkin" <mst@redhat.com>,
	pbonzini@redhat.com, rkrcmar@redhat.com,
	alex.williamson@redhat.com, wexu@redhat.com
Subject: Re: [Qemu-devel] [PATCH v5 15/18] intel_iommu: introduce IEC notifiers
Date: Fri, 29 Apr 2016 10:43:25 +0800	[thread overview]
Message-ID: <20160429024325.GI20143@pxdev.xzpeter.org> (raw)
In-Reply-To: <CABdVeAB=5FWQ90=uPsoanvqiojkxrw-3DQgyOLYcYBNOKjHt2g@mail.gmail.com>

On Thu, Apr 28, 2016 at 06:56:05PM +0300, David Kiarie wrote:

[...]

> I think AMD IOMMU could be a benefit greatly from the Intel IOMMU
> cache implementation. There could be a few differences but I think
> much of the code could be reused. The thing is, AMD IOMMU spec doesn't
> mention anything to do with it's cache design except the available
> interface (for system programmers) and I have a bit of a hard time
> trying to design a cache from scratch. Trying to do this will however
> require me to dig too much into Intel IOMMU and I would prefer to
> reserve that for later, probably.

Sure. I will not touch that part in this series. My first step would
be trying to remove vtd_* stuffs in common codes only, as Jan has
suggested.

Thanks,

-- peterx

  reply	other threads:[~2016-04-29  2:43 UTC|newest]

Thread overview: 43+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-04-28  7:05 [Qemu-devel] [PATCH v5 00/18] IOMMU: Enable interrupt remapping for Intel IOMMU Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 01/18] acpi: enable INTR for DMAR report structure Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 02/18] intel_iommu: allow queued invalidation for IR Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 03/18] intel_iommu: set IR bit for ECAP register Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 04/18] acpi: add DMAR scope definition for root IOAPIC Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 05/18] intel_iommu: define interrupt remap table addr register Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 06/18] intel_iommu: handle interrupt remap enable Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 07/18] intel_iommu: define several structs for IOMMU IR Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 08/18] intel_iommu: provide helper function vtd_get_iommu Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 09/18] intel_iommu: add IR translation faults defines Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 10/18] intel_iommu: Add support for PCI MSI remap Peter Xu
2016-04-28  7:32   ` Jan Kiszka
2016-04-28  8:06     ` Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 11/18] q35: ioapic: add support for emulated IOAPIC IR Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 12/18] ioapic: introduce ioapic_entry_parse() helper Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 13/18] intel_iommu: add support for split irqchip Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 14/18] q35: add "intremap" parameter to enable IR Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 15/18] intel_iommu: introduce IEC notifiers Peter Xu
2016-04-28  7:26   ` Jan Kiszka
2016-04-28  8:29     ` Peter Xu
2016-04-28  8:36       ` Jan Kiszka
2016-04-28  8:49         ` Peter Xu
2016-04-28 15:56           ` David Kiarie
2016-04-29  2:43             ` Peter Xu [this message]
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 16/18] ioapic: register VT-d IEC invalidate notifier Peter Xu
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 17/18] ioapic: keep RO bits for IOAPIC entry Peter Xu
2016-04-29 19:42   ` Radim Krčmář
2016-04-28  7:05 ` [Qemu-devel] [PATCH v5 18/18] ioapic: clear remote irr bit for edge-triggered interrupts Peter Xu
2016-04-29 19:46   ` Radim Krčmář
2016-04-28  7:12 ` [Qemu-devel] [PATCH v5 00/18] IOMMU: Enable interrupt remapping for Intel IOMMU Peter Xu
2016-04-28  7:19 ` Jan Kiszka
2016-04-28  9:18   ` Peter Xu
2016-04-28  9:32     ` Jan Kiszka
2016-04-29 19:52     ` Radim Krčmář
2016-05-03  3:22       ` Peter Xu
2016-05-03  4:38         ` Jan Kiszka
2016-05-03  5:30           ` Peter Xu
2016-05-03  5:40             ` Jan Kiszka
2016-05-03  6:00               ` Peter Xu
2016-05-03  6:09                 ` Jan Kiszka
2016-05-09 11:50           ` Paolo Bonzini
2016-04-28  9:30 ` [Qemu-devel] [PATCH 19/18] intel_iommu: Add support for Extended Interrupt Mode Jan Kiszka
2016-04-29  2:54   ` Peter Xu

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