From: Greg KH <greg@kroah.com>
To: Avi Kivity <avi@redhat.com>
Cc: "Fischer, Anna" <anna.fischer@hp.com>, H L <swdevyid@yahoo.com>,
"randy.dunlap@oracle.com" <randy.dunlap@oracle.com>,
"grundler@parisc-linux.org" <grundler@parisc-linux.org>,
"Chiang, Alexander" <achiang@hp.com>,
"matthew@wil.cx" <matthew@wil.cx>,
"linux-pci@vger.kernel.org" <linux-pci@vger.kernel.org>,
"rdreier@cisco.com" <rdreier@cisco.com>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"jbarnes@virtuousgeek.org" <jbarnes@virtuousgeek.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
"mingo@elte.hu" <mingo@elte.hu>
Subject: Re: [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support
Date: Sun, 9 Nov 2008 11:25:05 -0800 [thread overview]
Message-ID: <20081109192505.GA3091@kroah.com> (raw)
In-Reply-To: <4916DB16.2040709@redhat.com>
On Sun, Nov 09, 2008 at 02:44:06PM +0200, Avi Kivity wrote:
> Greg KH wrote:
>> It's that "second" part that I'm worried about. How is that going to
>> happen? Do you have any patches that show this kind of "assignment"?
>>
>>
>
> For kvm, this is in 2.6.28-rc.
Where? I just looked and couldn't find anything, but odds are I was
looking in the wrong place :(
> Note there are two ways to assign a device to a guest:
>
> - run the VF driver in the guest: this has the advantage of best
> performance, but requires pinning all guest memory, makes live migration a
> tricky proposition, and ties the guest to the underlying hardware.
Is this what you would prefer for kvm?
> - run the VF driver in the host, and use virtio to connect the guest to the
> host: allows paging the guest and allows straightforward live migration,
> but reduces performance, and hides any features not exposed by virtio from
> the guest.
thanks,
greg k-h
next prev parent reply other threads:[~2008-11-09 19:28 UTC|newest]
Thread overview: 124+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-10-22 8:38 [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support Yu Zhao
2008-10-22 8:40 ` [PATCH 1/16 v6] PCI: remove unnecessary arg of pci_update_resource() Yu Zhao
2008-10-22 8:40 ` [PATCH 2/16 v6] PCI: define PCI resource names in an 'enum' Yu Zhao
2008-10-22 14:24 ` Bjorn Helgaas
2008-10-22 14:44 ` Yu Zhao
2008-10-22 14:51 ` Bjorn Helgaas
2008-10-22 14:53 ` Yu Zhao
2008-11-14 0:43 ` Simon Horman
2008-10-22 8:41 ` [PATCH 3/16 v6] PCI: export __pci_read_base Yu Zhao
2008-10-22 8:41 ` [PATCH 4/16 v6] PCI: make pci_alloc_child_bus() be able to handle NULL bridge Yu Zhao
2008-10-22 8:41 ` [PATCH 5/16 v6] PCI: add a wrapper for resource_alignment() Yu Zhao
2008-10-22 8:42 ` [PATCH 6/16 v6] PCI: add a new function to map BAR offset Yu Zhao
2008-10-22 8:42 ` [PATCH 7/16 v6] PCI: cleanup pcibios_allocate_resources() Yu Zhao
2008-10-23 7:10 ` Yinghai Lu
2008-10-23 6:50 ` Yu Zhao
2008-10-22 8:43 ` [PATCH 8/16 v6] PCI: add boot options to reassign resources Yu Zhao
2008-10-22 14:35 ` Bjorn Helgaas
2008-10-22 14:49 ` Yu Zhao
2008-10-22 8:43 ` [PATCH 9/16 v6] PCI: add boot option to align MMIO resources Yu Zhao
2008-10-22 14:34 ` Bjorn Helgaas
2008-10-22 14:52 ` Yu Zhao
2008-10-22 8:43 ` [PATCH 10/16 v6] PCI: cleanup pci_bus_add_devices() Yu Zhao
2008-10-22 8:44 ` [PATCH 11/16 v6] PCI: split a new function from pci_bus_add_devices() Yu Zhao
2008-10-22 8:44 ` [PATCH 12/16 v6] PCI: support the SR-IOV capability Yu Zhao
2008-10-22 8:44 ` [PATCH 13/16 v6] PCI: reserve bus range for SR-IOV device Yu Zhao
2008-10-22 8:45 ` [PATCH 14/16 v6] PCI: document for SR-IOV user and developer Yu Zhao
2008-10-22 8:45 ` [PATCH 15/16 v6] PCI: document the SR-IOV sysfs entries Yu Zhao
2008-11-06 4:33 ` Greg KH
2008-11-06 4:46 ` Greg KH
2008-11-07 3:01 ` Zhao, Yu
2008-11-07 3:18 ` Greg KH
2008-11-13 6:50 ` Yu Zhao
2008-11-14 0:55 ` Greg KH
2008-11-17 8:09 ` Yu Zhao
2008-11-18 15:05 ` Greg KH
2008-11-18 16:49 ` Kay Sievers
2008-10-22 8:45 ` [PATCH 16/16 v6] PCI: document the new PCI boot parameters Yu Zhao
2008-10-22 14:27 ` Bjorn Helgaas
2008-10-22 17:01 ` Randy Dunlap
2008-11-06 4:32 ` Greg KH
2008-11-07 2:37 ` Zhao, Yu
2008-11-07 2:50 ` Greg KH
2008-11-07 3:40 ` Zhao, Yu
2008-11-07 4:17 ` Matthew Wilcox
2008-12-11 1:43 ` Yu Zhao
2008-12-11 4:33 ` Grant Grundler
2008-12-11 15:39 ` H L
2008-11-07 6:16 ` Greg KH
2008-11-07 7:50 ` Zhao, Yu
2008-11-07 8:02 ` Greg KH
2008-11-07 8:17 ` Zhao, Yu
2008-11-07 8:24 ` Greg KH
2008-11-07 8:35 ` Zhao, Yu
2008-11-07 18:53 ` Greg KH
2008-11-08 5:00 ` Yu Zhao
2008-11-08 5:25 ` Greg KH
2008-11-08 6:05 ` Yu Zhao
2008-11-08 5:50 ` freevanx
2008-11-08 5:54 ` Greg KH
2008-11-09 14:19 ` Pavel Machek
2008-11-09 14:34 ` Alexander Graf
2008-11-06 4:48 ` [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support Greg KH
2008-11-06 15:40 ` H L
2008-11-06 15:43 ` Greg KH
2008-11-06 16:41 ` H L
2008-11-06 16:49 ` Greg KH
2008-11-06 17:38 ` Fischer, Anna
2008-11-06 18:03 ` Greg KH
2008-11-06 20:04 ` Fischer, Anna
2008-11-09 12:44 ` Avi Kivity
2008-11-09 19:25 ` Greg KH [this message]
2008-11-09 19:37 ` Avi Kivity
2008-11-11 6:08 ` Greg KH
2008-11-11 9:00 ` Avi Kivity
2008-11-06 18:36 ` Matthew Wilcox
2008-11-06 22:38 ` Anthony Liguori
2008-11-06 22:58 ` Matthew Wilcox
2008-11-07 6:19 ` Greg KH
2008-11-07 15:17 ` Yu Zhao
2008-11-07 18:48 ` Greg KH
2008-11-08 11:09 ` Fischer, Anna
2008-11-08 15:37 ` Leonid Grossman
2008-11-13 7:49 ` Yu Zhao
2008-11-09 12:47 ` Avi Kivity
2008-11-07 1:52 ` Dong, Eddie
2008-11-07 2:08 ` Nakajima, Jun
2008-11-07 15:21 ` Andi Kleen
2008-11-09 12:53 ` Avi Kivity
2008-11-07 16:01 ` Yu Zhao
[not found] ` <87d4h7pnnm.fsf__4937.77150190926$1226071173$gmane$org@basil.nowhere.org>
2008-11-12 22:41 ` Anthony Liguori
2008-11-16 16:04 ` Avi Kivity
2008-11-17 1:46 ` Zhao, Yu
2008-11-06 17:47 ` Matthew Wilcox
2008-11-06 17:53 ` Greg KH
2008-11-06 22:24 ` Simon Horman
2008-11-06 22:40 ` Anthony Liguori
2008-11-07 6:17 ` Greg KH
2008-11-07 7:47 ` Zhao, Yu
2008-11-11 0:18 ` Rusty Russell
2008-11-17 12:01 ` Yu Zhao
2008-11-09 12:58 ` Avi Kivity
2008-11-09 6:41 ` Muli Ben-Yehuda
2008-11-09 13:03 ` Avi Kivity
2008-11-06 23:54 ` Chris Wright
2008-11-07 6:10 ` Greg KH
2008-11-07 7:06 ` Zhao, Yu
2008-11-07 7:29 ` Leonid Grossman
2008-11-06 18:05 ` H L
2008-11-06 18:24 ` Greg KH
2008-11-07 6:03 ` Zhao, Yu
2008-11-06 16:51 ` git repository for SR-IOV development? H L
2008-11-06 16:59 ` Greg KH
2008-11-06 19:58 ` H L
2008-11-06 22:56 ` Simon Horman
2008-11-07 1:58 ` Greg KH
2008-11-07 13:09 ` Yu Zhao
2008-11-07 5:18 ` [PATCH 0/16 v6] PCI: Linux kernel SR-IOV support Zhao, Yu
2008-11-07 6:07 ` Greg KH
[not found] <43F901BD926A4E43B106BF17856F07552F2E8F06@orsmsx508.amr.corp.intel.com>
[not found] ` <9832F13BD22FB94A829F798DA4A82805018C18EE41@pdsmsx503.ccr.corp.intel.com>
[not found] ` <43F901BD926A4E43B106BF17856F07552F2E8F20@orsmsx508.amr.corp.intel.com>
[not found] ` <491D2F23.1080005@intel.com>
2008-11-14 17:40 ` Greg KH
2008-11-14 17:48 ` Rose, Gregory V
2008-11-14 18:39 ` Greg KH
2008-11-14 18:49 ` Ronciak, John
2008-11-14 19:30 ` Greg KH
2008-11-14 18:53 ` Rose, Gregory V
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