From: David Gibson <david@gibson.dropbear.id.au>
To: Marcel Apfelbaum <marcel@redhat.com>
Cc: qemu-devel@nongnu.org, ehabkost@redhat.com, pbonzini@redhat.com,
mst@redhat.com, davidkiarie4@gmail.com, peterx@redhat.com,
bd.aviv@gmail.com, jan.kiszka@web.de, agraf@suse.de,
qemu-ppc@nongnu.org, armbru@redhat.com
Subject: Re: [Qemu-devel] [PATCH V5 5/5] machine: remove iommu property
Date: Wed, 29 Jun 2016 11:43:15 +1000 [thread overview]
Message-ID: <20160629014315.GD8885@voom.fritz.box> (raw)
In-Reply-To: <57723058.7090900@redhat.com>
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On Tue, Jun 28, 2016 at 11:07:52AM +0300, Marcel Apfelbaum wrote:
> On 06/28/2016 05:57 AM, David Gibson wrote:
> > On Mon, Jun 27, 2016 at 06:38:35PM +0300, Marcel Apfelbaum wrote:
> > > Since iommu devices can be created with '-device' there is
> > > no need to keep iommu as machine and mch property.
> >
> > Doesn't this break backwards compatibility?
> >
>
>
> Hi David,
>
> Intel IOMMU was a kind of POC until recent development.
> The new IOMMU features will require more command line options,
> so even if we keep the machine property around, it can't be really used.
>
> More on this was discussed in a prev thread.
> https://www.mail-archive.com/qemu-devel@nongnu.org/msg377385.html
Ok, fair enough.
--
David Gibson | I'll have my music baroque, and my code
david AT gibson.dropbear.id.au | minimalist, thank you. NOT _the_ _other_
| _way_ _around_!
http://www.ozlabs.org/~dgibson
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prev parent reply other threads:[~2016-06-29 2:40 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-06-27 15:38 [Qemu-devel] [PATCH V5 0/5] enable iommu with -device Marcel Apfelbaum
2016-06-27 15:38 ` [Qemu-devel] [PATCH V5 1/5] hw/ppc: realize the PCI root bus as part of mac99 init Marcel Apfelbaum
2016-06-28 2:56 ` David Gibson
2016-06-28 8:00 ` Marcel Apfelbaum
2016-06-29 1:42 ` David Gibson
2016-06-27 15:38 ` [Qemu-devel] [PATCH V5 2/5] hw/pci: delay bus_master_enable_region initialization Marcel Apfelbaum
2016-06-27 15:38 ` [Qemu-devel] [PATCH V5 3/5] q35: allow dynamic sysbus Marcel Apfelbaum
2016-06-27 15:38 ` [Qemu-devel] [PATCH V5 4/5] hw/iommu: enable iommu with -device Marcel Apfelbaum
2016-06-27 15:38 ` [Qemu-devel] [PATCH V5 5/5] machine: remove iommu property Marcel Apfelbaum
2016-06-28 2:57 ` David Gibson
2016-06-28 8:07 ` Marcel Apfelbaum
2016-06-29 1:43 ` David Gibson [this message]
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