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[Xen-devel] event notify during netfront and netback setup in Xen3.1
| To: | "xen-devel" <xen-devel@xxxxxxxxxxxxxxxxxxx> |
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| Subject: | [Xen-devel] event notify during netfront and netback setup in Xen3.1 |
| From: | "Zang Hongyong" <zanghongyong@xxxxxxxxxx> |
| Date: | Fri, 13 Jun 2008 08:57:39 +0800 |
| Delivery-date: | Thu, 12 Jun 2008 17:58:40 -0700 |
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hi
In Xen3.1 source
when setup
netfront: when netback changed XenBusState to InitWait, fuction
network_connect() called
in network_connect(),notify_remote_via_irq() was called, which
gives netback a kick.
then netfront changed Xenbusstate to Connected
but at the same time, netback has not bind its eventchannel to netfront
domain's event?
so how could this happen, when netback receive event from netfront domain?
ps:
The event bind happens when netfront Connected, netback calls connect()
-->connect_rings() -->netif_map() . And later changed XenbusState to Connected.
After all Connected, netback and netfront setup over and begin tx and rx in
common.
Zang Hongyong
zanghongyong@xxxxxxxxxx
2008-06-13
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