On 10/20/14 at 05:04pm, Michael S. Tsirkin wrote:
> Sure enough, this helps:
>
> Tested-by: Michael S. Tsirkin
> Acked-by: Michael S. Tsirkin
>
> Pls repost as a top-level patch.
Thanks for fixing this so promptly.
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On 10/20/14 at 04:10pm, Michael S. Tsirkin wrote:
> On Mon, Oct 20, 2014 at 01:07:50PM +0100, Thomas Graf wrote:
> > On 10/13/14 at 10:50am, Michael S. Tsirkin wrote:
> > > virtio spec requires drivers to set DRIVER_OK before using VQs.
> > > This is set automatically
On 10/20/14 at 02:42pm, Cornelia Huck wrote:
> On Mon, 20 Oct 2014 13:07:50 +0100
> Thomas Graf wrote:
>
> > On 10/13/14 at 10:50am, Michael S. Tsirkin wrote:
> > > virtio spec requires drivers to set DRIVER_OK before using VQs.
> > > This is set automatically af
On 10/13/14 at 10:50am, Michael S. Tsirkin wrote:
> virtio spec requires drivers to set DRIVER_OK before using VQs.
> This is set automatically after probe returns, virtio console violated this
> rule by adding inbufs, which causes the VQ to be used directly within
> probe.
>
> To fix, call virtio
4: correctly use error path in queue_userspace_packet
LGTM now
Acked-by: Thomas Graf
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On 03/20/2014 05:02 PM, Zoltan Kiss wrote:
--- a/net/openvswitch/datapath.c
+++ b/net/openvswitch/datapath.c
@@ -464,7 +464,9 @@ static int queue_userspace_packet(struct datapath *dp,
struct sk_buff *skb,
}
nla->nla_len = nla_attr_size(skb->len);
- skb_zerocopy(user_skb, s
On 03/19/2014 10:07 PM, Zoltan Kiss wrote:
skb_zerocopy can copy elements of the frags array between skbs, but it doesn't
orphan them. Also, it doesn't handle errors, so this patch takes care of that
as well.
Signed-off-by: Zoltan Kiss
Acked-by: Thomas Graf
---
+ if
On 03/20/2014 01:16 PM, Thomas Graf wrote:
On 03/19/2014 10:07 PM, Zoltan Kiss wrote:
skb_zerocopy can copy elements of the frags array between skbs, but it
doesn't
orphan them. Also, it doesn't handle errors, so this patch takes care
of that
as well.
Signed-off-by: Zoltan Kiss
On 03/19/2014 09:38 PM, Zoltan Kiss wrote:
skb_zerocopy can copy elements of the frags array between skbs, but it doesn't
orphan them. Also, it doesn't handle errors, so this patch takes care of that
as well.
Signed-off-by: Zoltan Kiss
---
+ if (unlikely(skb_orphan_frags(to, GFP_ATOMIC
On 03/07/2014 06:19 PM, Pravin Shelar wrote:
On Fri, Mar 7, 2014 at 7:58 AM, Thomas Graf wrote:
On 03/07/2014 05:46 AM, Pravin Shelar wrote:
But I found bug in datapath user-space queue code. I am not sure how
this can work with skb fragments and MMAP-netlink socket.
Here is what happens
On 03/07/2014 05:46 AM, Pravin Shelar wrote:
But I found bug in datapath user-space queue code. I am not sure how
this can work with skb fragments and MMAP-netlink socket.
Here is what happens, OVS allocates netlink skb and adds fragments to
skb using skb_zero_copy(), then calls genlmsg_unicast()
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