On 2018/11/7 14:18, Jason Wang wrote:
>
> On 2018/11/6 下午2:30, jiangyiwen wrote:
>>> Seems duplicated with the one used by vhost-net.
>>>
>>> In packed virtqueue implementation, I plan to move this to vhost.c.
>>>
>> Yes, this code is full copied from vhost-net, if it can be packed into
>> vhost.c
On 2018/11/7 14:20, Jason Wang wrote:
>
> On 2018/11/6 下午2:41, jiangyiwen wrote:
>> On 2018/11/6 12:00, Jason Wang wrote:
>>> On 2018/11/5 下午3:47, jiangyiwen wrote:
Guest receive mergeable rx buffer, it can merge
scatter rx buffer into a big buffer and then copy
to user space.
qxl device will not dma, so we don't need ttm_dma_tt. Go use ttm_tt
instead, to avoid wasting resources (swiotlb bounce buffers for
example).
Signed-off-by: Gerd Hoffmann
---
drivers/gpu/drm/qxl/qxl_ttm.c | 10 +-
1 file changed, 5 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu
On 2018/11/6 下午2:41, jiangyiwen wrote:
On 2018/11/6 12:00, Jason Wang wrote:
On 2018/11/5 下午3:47, jiangyiwen wrote:
Guest receive mergeable rx buffer, it can merge
scatter rx buffer into a big buffer and then copy
to user space.
Signed-off-by: Yiwen Jiang
---
include/linux/virtio_vsock.h
On 2018/11/6 下午2:30, jiangyiwen wrote:
Seems duplicated with the one used by vhost-net.
In packed virtqueue implementation, I plan to move this to vhost.c.
Yes, this code is full copied from vhost-net, if it can be packed into
vhost.c, it would be great.
If you try to reuse vhost-net, you
On 2018/11/6 下午2:22, jiangyiwen wrote:
On 2018/11/6 11:38, Jason Wang wrote:
On 2018/11/5 下午3:45, jiangyiwen wrote:
In driver probing, if virtio has VIRTIO_VSOCK_F_MRG_RXBUF feature,
it will fill mergeable rx buffer, support for host send mergeable
rx buffer. It will fill a page everytime to c
On 06/11/2018 08:13, Christoph Hellwig wrote:
> On Tue, Nov 06, 2018 at 10:45:08AM +0800, Jason Wang wrote:
>>> Storage industry is shifting away from SCSI, which has a scaling
>>> problem.
>>
>> Know little about storage. For scaling, do you mean SCSI protocol itself? If
>> not, it's probably not
On Fri, Nov 02, 2018 at 06:21:23PM +, Vitaly Mayatskikh wrote:
> This driver accelerates host side of virtio-blk.
Did you look at vhost-user-blk? It does things slightly differently:
more of the virtio-blk device model is handled by the vhost-user device
(e.g. config space). That might be ne
On Fri, Nov 02, 2018 at 02:26:00PM -0400, Michael S. Tsirkin wrote:
> On Fri, Nov 02, 2018 at 06:21:22PM +, Vitaly Mayatskikh wrote:
> > vhost_blk is a host-side kernel mode accelerator for virtio-blk. The
> > driver allows VM to reach a near bare-metal disk performance. See IOPS
> > numbers be
On Mon, Nov 05, 2018 at 11:15:04AM -0500, Vitaly Mayatskih wrote:
> On Mon, Nov 5, 2018 at 10:48 AM Christian Borntraeger
> wrote:
>
> > For the record, we still do use virtio-blk a lot. As we see new things like
> > discard/write zero
> > support it seems that others do as well.
>
> Yes, trim/
On Tue, Nov 06, 2018 at 10:45:08AM +0800, Jason Wang wrote:
> > Storage industry is shifting away from SCSI, which has a scaling
> > problem.
>
>
> Know little about storage. For scaling, do you mean SCSI protocol itself? If
> not, it's probably not a real issue for virtio-scsi itself.
The above
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