From: Jan Kiszka <jan.kiszka@web.de>
To: Avi Kivity <avi@redhat.com>
Cc: Anthony Perard <anthony.perard@citrix.com>,
Alex Williamson <alex.williamson@redhat.com>,
Xen Devel <xen-devel@lists.xensource.com>,
QEMU-devel <qemu-devel@nongnu.org>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [Qemu-devel] [Xen-devel] [PATCH RFC V1 00/11] Xen PCI Passthrough
Date: Tue, 04 Oct 2011 19:41:25 +0200 [thread overview]
Message-ID: <4E8B4545.3030804@web.de> (raw)
In-Reply-To: <4E8B3BEC.10101@redhat.com>
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On 2011-10-04 19:01, Avi Kivity wrote:
> On 10/04/2011 06:33 PM, Alex Williamson wrote:
>> I thought we were potentially looking at vfio as a convergence point.
>> I'm still a bit off from having a vfio re-write ready to submit, but is
>> this still a possibility? Thanks,
>>
>
> vfio leaves out users of current and past kernels; relying on it would
> force me to maintain qemu-kvm for a while.
VFIO is a great thing, and we all want it. But it's also a big project
now as it has to please more and more use cases. I think it will require
some more time to settle its interfaces, and it should likely take this
time. So we need KVM device assignment upstream as well until comparable
VFIO support is in every recent distro kernel out there.
Jan
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WARNING: multiple messages have this Message-ID (diff)
From: Jan Kiszka <jan.kiszka@web.de>
To: Avi Kivity <avi@redhat.com>
Cc: Anthony Perard <anthony.perard@citrix.com>,
Alex Williamson <alex.williamson@redhat.com>,
Xen Devel <xen-devel@lists.xensource.com>,
QEMU-devel <qemu-devel@nongnu.org>,
Stefano Stabellini <stefano.stabellini@eu.citrix.com>
Subject: Re: [Xen-devel] [PATCH RFC V1 00/11] Xen PCI Passthrough
Date: Tue, 04 Oct 2011 19:41:25 +0200 [thread overview]
Message-ID: <4E8B4545.3030804@web.de> (raw)
In-Reply-To: <4E8B3BEC.10101@redhat.com>
[-- Attachment #1: Type: text/plain, Size: 769 bytes --]
On 2011-10-04 19:01, Avi Kivity wrote:
> On 10/04/2011 06:33 PM, Alex Williamson wrote:
>> I thought we were potentially looking at vfio as a convergence point.
>> I'm still a bit off from having a vfio re-write ready to submit, but is
>> this still a possibility? Thanks,
>>
>
> vfio leaves out users of current and past kernels; relying on it would
> force me to maintain qemu-kvm for a while.
VFIO is a great thing, and we all want it. But it's also a big project
now as it has to please more and more use cases. I think it will require
some more time to settle its interfaces, and it should likely take this
time. So we need KVM device assignment upstream as well until comparable
VFIO support is in every recent distro kernel out there.
Jan
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next prev parent reply other threads:[~2011-10-04 17:41 UTC|newest]
Thread overview: 66+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-10-04 14:51 [Qemu-devel] [PATCH RFC V1 00/11] Xen PCI Passthrough Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 01/11] Introduce HostPCIDevice to access a pci device on the host Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-04 18:21 ` [Qemu-devel] " Jan Kiszka
2011-10-04 18:21 ` Jan Kiszka
2011-10-12 16:56 ` [Qemu-devel] " Anthony PERARD
2011-10-12 16:56 ` Anthony PERARD
2011-10-04 18:36 ` [Qemu-devel] " Stefano Stabellini
2011-10-04 18:36 ` Stefano Stabellini
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 02/11] qemu-timer: Introduce qemu_run_one_timer Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-04 17:27 ` [Qemu-devel] " Jan Kiszka
2011-10-04 17:27 ` Jan Kiszka
2011-10-04 17:52 ` [Qemu-devel] " Stefano Stabellini
2011-10-04 17:52 ` Stefano Stabellini
2011-10-04 18:20 ` [Qemu-devel] " Anthony Liguori
2011-10-04 18:20 ` Anthony Liguori
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 03/11] pci_ids: Add INTEL_82599_VF id Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 04/11] pci_regs: Fix value of PCI_EXP_TYPE_RC_EC Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 05/11] pci_regs: Add PCI_EXP_TYPE_PCIE_BRIDGE Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 06/11] pci.c: Add pci_check_bar_overlap Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 07/11] host-pci-device: Add host_pci_find_ext_cap_offset Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-05 11:07 ` [Qemu-devel] " Stefano Stabellini
2011-10-05 11:07 ` Stefano Stabellini
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 08/11] Introduce Xen PCI Passthrough, qdevice (1/3) Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-05 11:51 ` [Qemu-devel] " Stefano Stabellini
2011-10-05 11:51 ` Stefano Stabellini
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 09/11] Introduce Xen PCI Passthrough, PCI config space helpers (2/3) Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 10/11] Introduce Xen PCI Passthrough, MSI (3/3) Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-05 11:51 ` [Qemu-devel] " Stefano Stabellini
2011-10-05 11:51 ` Stefano Stabellini
2011-10-04 14:51 ` [Qemu-devel] [PATCH RFC V1 11/11] config/make: Introduce --enable-xen-pci-passthrough, built it Anthony PERARD
2011-10-04 14:51 ` Anthony PERARD
2011-10-05 11:55 ` [Qemu-devel] " Stefano Stabellini
2011-10-05 11:55 ` Stefano Stabellini
2011-10-04 14:58 ` [Qemu-devel] [Xen-devel] [PATCH RFC V1 00/11] Xen PCI Passthrough Avi Kivity
2011-10-04 14:58 ` Avi Kivity
2011-10-04 15:01 ` [Qemu-devel] " Anthony Liguori
2011-10-04 15:01 ` Anthony Liguori
2011-10-04 15:05 ` [Qemu-devel] " Stefano Stabellini
2011-10-04 15:05 ` Stefano Stabellini
2011-10-04 16:33 ` [Qemu-devel] " Alex Williamson
2011-10-04 16:33 ` Alex Williamson
2011-10-04 16:56 ` [Qemu-devel] " Stefano Stabellini
2011-10-04 16:56 ` Stefano Stabellini
2011-10-04 17:01 ` [Qemu-devel] " Avi Kivity
2011-10-04 17:01 ` Avi Kivity
2011-10-04 17:41 ` Jan Kiszka [this message]
2011-10-04 17:41 ` Jan Kiszka
2011-10-04 17:03 ` [Qemu-devel] " Avi Kivity
2011-10-04 17:03 ` Avi Kivity
2011-10-04 18:19 ` [Qemu-devel] " Stefano Stabellini
2011-10-04 18:19 ` Stefano Stabellini
2011-10-04 18:24 ` [Qemu-devel] " Avi Kivity
2011-10-04 18:24 ` Avi Kivity
2011-10-04 17:21 ` [Qemu-devel] " Jan Kiszka
2011-10-04 17:21 ` Jan Kiszka
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