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Re: [Xen-devel] [V2] xen-netback notify DomU to send ARP.



On Mon, 2013-01-21 at 12:23 +0000, Ian Campbell wrote:
> Which Linux did you test? pvops or something based on the classic-Xen
> patches?
> 
> On Mon, 2013-01-21 at 11:55 +0000, Jan Beulich wrote:
> > >>> On 21.01.13 at 08:26, jianhai luan <jianhai.luan@xxxxxxxxxx> wrote:
> > >+static void notify_front_arping(struct xenbus_device *dev)
> > >+{
> > >+  int err;
> > >+
> > >+  if (dev->state != XenbusStateConnected)
> > >+          return;
> > >+
> > >+  err = xenbus_printf(XBT_NIL, dev->nodename, "state", "%d", dev->state);
> > >+  if (err) {
> > >+          pr_fmt("Error writing the state");
> > 
> > What's this? pr_fmt() alone makes no sense at all, and I'd be
> > pretty surprised if the compiler didn't warn about this construct.

BTW this should probably netif_warn() to get a consistently formatted
message.

Ian.


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