On Mon, Aug 10, 2009 at 05:35:13PM -0500, Anthony Liguori wrote:
Michael S. Tsirkin wrote:
On Mon, Aug 10, 2009 at 03:33:59PM -0500, Anthony Liguori wrote:
There ought to be a way to layer qdev properties that achieves this
goal so that when you create a virtio-pci-block device, you have
Subject: [PATCH] mm: export use_mm/unuse_mm to modules
vhost net module wants to do copy to/from user from a kernel thread,
which needs use_mm (like what fs/aio has). Move that into mm/ and
export to modules.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
On Mon, Aug 10, 2009 at
Michael S. Tsirkin wrote:
On Mon, Aug 10, 2009 at 05:35:13PM -0500, Anthony Liguori wrote:
What I'm saying is that virtio-blk-pci, which is the qdev instantiation
of virtio-pci + virtio-blk, should be able to have a set of qdev
properties that is composed of a combination of at least
On Tue, Aug 11, 2009 at 08:15:23AM -0500, Anthony Liguori wrote:
Michael S. Tsirkin wrote:
On Mon, Aug 10, 2009 at 05:35:13PM -0500, Anthony Liguori wrote:
What I'm saying is that virtio-blk-pci, which is the qdev
instantiation of virtio-pci + virtio-blk, should be able to have a
set
Subject: Re: [PATCH][RFC] net/bridge: add basic VEPA support
On Monday 10 August 2009, Fischer, Anna wrote:
Subject: Re: [PATCH][RFC] net/bridge: add basic VEPA support
On Friday 07 August 2009, Paul Congdon (UC Davis) wrote:
As I understand the macvlan code, it currently doesn't
The patch from Eric Biederman to allow macvlan to bridge between
its slave ports is at
http://kerneltrap.org/mailarchive/linux-netdev/2009/3/9/5125774
Looking through the discussions here, it does not seem as if a decision
was made to integrate those patches, because they would make
Michael S. Tsirkin wrote:
Let's say we supported virtio-vbus along with virtio-pci. What does
virtio_blk_get_features() do to mask out sg_indirect? For all
virtio-blk knows, it could be on top of virtio-vbus.
So? VIRTIO_RING_F_INDIRECT_DESC applies to all transports.
Just clear
On Tue, Aug 11, 2009 at 11:08:32AM -0500, Anthony Liguori wrote:
Michael S. Tsirkin wrote:
Let's say we supported virtio-vbus along with virtio-pci. What does
virtio_blk_get_features() do to mask out sg_indirect? For all
virtio-blk knows, it could be on top of virtio-vbus.
So?
On Wed, 12 Aug 2009 00:27:52 +0300
Michael S. Tsirkin m...@redhat.com wrote:
vhost net module wants to do copy to/from user from a kernel thread,
which needs use_mm (like what fs/aio has). Move that into mm/ and
export to modules.
OK by me. Please include this change in the virtio patchset.
This implements vhost: a kernel-level backend for virtio,
The main motivation for this work is to reduce virtualization
overhead for virtio by removing system calls on data path,
without guest changes. For virtio-net, this removes up to
4 system calls per packet: vm exit for kick, reentry for
What it is: vhost net is a character device that can be used to reduce
the number of system calls involved in virtio networking.
Existing virtio net code is used in the guest without modification.
There's similarity with vringfd, with some differences and reduced scope
- uses eventfd for
vhost net module wants to do copy to/from user from a kernel thread,
which needs use_mm (like what fs/aio has). Move that into mm/ and
export to modules.
Signed-off-by: Michael S. Tsirkin m...@redhat.com
---
fs/aio.c| 47 +--
Michael S. Tsirkin wrote:
What it is: vhost net is a character device that can be used to reduce
the number of system calls involved in virtio networking.
Existing virtio net code is used in the guest without modification.
There's similarity with vringfd, with some differences and reduced
Michael S. Tsirkin wrote:
This implements vhost: a kernel-level backend for virtio,
The main motivation for this work is to reduce virtualization
overhead for virtio by removing system calls on data path,
without guest changes. For virtio-net, this removes up to
4 system calls per packet: vm
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