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[Xen-devel] Re: [RFC PATCH 34/35] Add the Xen virtual network device driver.




On 9 May 2006, at 21:25, Stephen Hemminger wrote:

+       memcpy(netdev->dev_addr, info->mac, ETH_ALEN);
+       network_connect(netdev);
+       info->irq = bind_evtchn_to_irqhandler(
+               info->evtchn, netif_int, SA_SAMPLE_RANDOM,
netdev->name,


This doesn't look like a real random entropy source. packets
arriving from another domain are easily timed.

Where should we get our entropy from in a VM environment? Leaving the pool empty can cause processes to hang.

 -- Keir


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