On Wed, Oct 17, 2018 at 07:44:12PM +0900, Ake Koomsin wrote:
> Commit 713a98d90c5e ("virtio-net: serialize tx routine during reset")
> introduces netif_tx_disable() after netif_device_detach() in order to
> avoid use-after-free of tx queues. However, there are two issues.
>
> 1) Its operation is
On Mon, Oct 15, 2018 at 08:46:41PM +0100, Jean-philippe Brucker wrote:
> [Replying with my personal address because we're having SMTP issues]
>
> On 15/10/2018 11:52, Michael S. Tsirkin wrote:
> > On Fri, Oct 12, 2018 at 02:41:59PM -0500, Bjorn Helgaas wrote:
> >> s/iommu/IOMMU/ in subject
> >>
>
On Wed, Oct 17, 2018 at 12:54:28PM +0100, Jean-Philippe Brucker wrote:
> On 16/10/2018 21:31, Auger Eric wrote:
> > Hi Jean,
> >
> > On 10/16/18 8:44 PM, Jean-Philippe Brucker wrote:
> >> On 16/10/2018 10:25, Auger Eric wrote:
> >>> Hi Jean,
> >>>
> >>> On 10/12/18 4:59 PM, Jean-Philippe Brucker
On 2018/10/18 上午9:22, jiangyiwen wrote:
On 2018/10/17 20:31, Jason Wang wrote:
On 2018/10/17 下午7:41, jiangyiwen wrote:
On 2018/10/17 17:51, Jason Wang wrote:
On 2018/10/17 下午5:39, Jason Wang wrote:
Hi Jason and Stefan,
Maybe I find the reason of bad performance.
I found pkt_len is limited
On 2018/10/15 下午6:25, Michael S. Tsirkin wrote:
On Mon, Oct 15, 2018 at 10:51:06AM +0800, Jason Wang wrote:
On 2018年10月15日 10:43, Michael S. Tsirkin wrote:
On Mon, Oct 15, 2018 at 10:22:33AM +0800, Jason Wang wrote:
On 2018年10月13日 01:23, Michael S. Tsirkin wrote:
On Fri, Oct 12, 2018 at
From: Ake Koomsin
Date: Wed, 17 Oct 2018 19:44:12 +0900
> Commit 713a98d90c5e ("virtio-net: serialize tx routine during reset")
> introduces netif_tx_disable() after netif_device_detach() in order to
> avoid use-after-free of tx queues. However, there are two issues.
>
> 1) Its operation is
Hi,
> > Recent qemu (latest master branch, upcoming 3.1 release) got support
> > for EDID data. This patch adds guest driver support.
> >
> > EDID support in qemu is not (yet) enabled by default, so please use
> > 'qemu -device VGA,edid=on' for testing.
>
> The EDID never changes after boot?
On Thu, Oct 18, 2018 at 11:25:22AM +1000, Dave Airlie wrote:
> On Mon, 1 Oct 2018 at 20:33, Gerd Hoffmann wrote:
> >
> > Track whenever the virtio_gpu_object is already created (i.e. host knows
> > about it) in a new variable. Add checks to virtio_gpu_object_attach()
> > to do nothing on objects
Reviewed-by: Dave Airlie
On Fri, 5 Oct 2018 at 22:52, Gerd Hoffmann wrote:
>
> The feature allows the guest request an EDID blob (describing monitor
> capabilities) for a given scanout (aka virtual monitor connector).
>
> It brings a new command message, which has just a scanout field (beside
>
On Fri, 12 Oct 2018 15:59:12 +0100, Jean-Philippe Brucker wrote:
> Some systems implement virtio-iommu as a PCI endpoint. The operating
> systems needs to discover the relationship between IOMMU and masters long
> before the PCI endpoint gets probed. Add a PCI child node to describe the
>
On 2018/10/17 20:31, Jason Wang wrote:
>
> On 2018/10/17 下午7:41, jiangyiwen wrote:
>> On 2018/10/17 17:51, Jason Wang wrote:
>>> On 2018/10/17 下午5:39, Jason Wang wrote:
> Hi Jason and Stefan,
>
> Maybe I find the reason of bad performance.
>
> I found pkt_len is limited to
On Fri, 5 Oct 2018 at 22:10, Gerd Hoffmann wrote:
>
> Recent qemu (latest master branch, upcoming 3.1 release) got support
> for EDID data. This patch adds guest driver support.
>
> EDID support in qemu is not (yet) enabled by default, so please use
> 'qemu -device VGA,edid=on' for testing.
The
On Mon, 1 Oct 2018 at 20:33, Gerd Hoffmann wrote:
>
> Track whenever the virtio_gpu_object is already created (i.e. host knows
> about it) in a new variable. Add checks to virtio_gpu_object_attach()
> to do nothing on objects not created yet.
>
> Make virtio_gpu_ttm_bo_destroy() use the new
On 2018/10/16 下午6:15, ake wrote:
On 2018年10月16日 17:53, Jason Wang wrote:
On 2018/10/15 下午6:08, ake wrote:
On 2018年10月12日 18:18, ake wrote:
On 2018年10月12日 17:23, Jason Wang wrote:
On 2018年10月12日 12:30, ake wrote:
On 2018年10月11日 22:06, Jason Wang wrote:
On 2018年10月11日 18:22, ake wrote:
On
On 2018/10/17 上午9:13, Toshiaki Makita wrote:
On 2018/10/17 1:55, Sebastian Andrzej Siewior wrote:
on 32bit, lockdep notices:
|
| WARNING: inconsistent lock state
| 4.19.0-rc8+ #9 Tainted: GW
|
| inconsistent
On 2018/10/15 14:12, jiangyiwen wrote:
> On 2018/10/15 10:33, Jason Wang wrote:
>>
>>
>> On 2018年10月15日 09:43, jiangyiwen wrote:
>>> Hi Stefan & All:
>>>
>>> Now I find vhost-vsock has two performance problems even if it
>>> is not designed for performance.
>>>
>>> First, I think vhost-vsock
On 2018/10/17 下午3:59, Ake Koomsin wrote:
Commit 713a98d90c5e ("virtio-net: serialize tx routine during reset")
introduces netif_tx_disable() after netif_device_detach() in order to
avoid use-after-free of tx queues. However, there are two issues.
1) Its operation is redundant with
On 2018/10/17 下午5:27, jiangyiwen wrote:
On 2018/10/15 14:12, jiangyiwen wrote:
On 2018/10/15 10:33, Jason Wang wrote:
On 2018年10月15日 09:43, jiangyiwen wrote:
Hi Stefan & All:
Now I find vhost-vsock has two performance problems even if it
is not designed for performance.
First, I think
On 2018/10/17 下午5:39, Jason Wang wrote:
Hi Jason and Stefan,
Maybe I find the reason of bad performance.
I found pkt_len is limited to VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE(4K),
it will cause the bandwidth is limited to 500~600MB/s. And once I
increase to 64k, it can improve about 3
On 2018/10/16 下午9:58, Maxime Coquelin wrote:
On 10/15/2018 04:22 AM, Jason Wang wrote:
On 2018年10月13日 01:23, Michael S. Tsirkin wrote:
On Fri, Oct 12, 2018 at 10:32:44PM +0800, Tiwei Bie wrote:
On Mon, Jul 16, 2018 at 11:28:09AM +0800, Jason Wang wrote:
[...]
@@ -1367,10 +1397,48 @@ long
On Fri, Oct 12, 2018 at 03:59:11PM +0100, Jean-Philippe Brucker wrote:
> The nature of a virtio-mmio node is discovered by the virtio driver at
> probe time. However the DMA relation between devices must be described
> statically. When a virtio-mmio node is a virtio-iommu device, it needs an
>
On Mon, 1 Oct 2018 at 20:33, Gerd Hoffmann wrote:
>
> Remove the virtio_gpu_object_{attach,detach} calls from move_notify()
> callback. Add them to the ttm_tt_{populate,unpopulate} callbacks, which
> is the correct place to handle this.
>
> The new ttm_tt_{populate,unpopulate} callbacks call the
On 2018/10/17 17:39, Jason Wang wrote:
>
> On 2018/10/17 下午5:27, jiangyiwen wrote:
>> On 2018/10/15 14:12, jiangyiwen wrote:
>>> On 2018/10/15 10:33, Jason Wang wrote:
On 2018年10月15日 09:43, jiangyiwen wrote:
> Hi Stefan & All:
>
> Now I find vhost-vsock has two performance
On 2018/10/17 17:51, Jason Wang wrote:
>
> On 2018/10/17 下午5:39, Jason Wang wrote:
>>> Hi Jason and Stefan,
>>>
>>> Maybe I find the reason of bad performance.
>>>
>>> I found pkt_len is limited to VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE(4K),
>>> it will cause the bandwidth is limited to
On 16/10/2018 21:31, Auger Eric wrote:
> Hi Jean,
>
> On 10/16/18 8:44 PM, Jean-Philippe Brucker wrote:
>> On 16/10/2018 10:25, Auger Eric wrote:
>>> Hi Jean,
>>>
>>> On 10/12/18 4:59 PM, Jean-Philippe Brucker wrote:
Implement the virtio-iommu driver, following specification v0.8 [1].
On 2018/10/17 下午6:44, Ake Koomsin wrote:
Commit 713a98d90c5e ("virtio-net: serialize tx routine during reset")
introduces netif_tx_disable() after netif_device_detach() in order to
avoid use-after-free of tx queues. However, there are two issues.
1) Its operation is redundant with
On 2018/10/17 下午7:41, jiangyiwen wrote:
On 2018/10/17 17:51, Jason Wang wrote:
On 2018/10/17 下午5:39, Jason Wang wrote:
Hi Jason and Stefan,
Maybe I find the reason of bad performance.
I found pkt_len is limited to VIRTIO_VSOCK_DEFAULT_RX_BUF_SIZE(4K),
it will cause the bandwidth is limited
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