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Re: [Qemu-devel] Proposed patch: huge RX speedup for hw/e1000.c

From: Paolo Bonzini
Subject: Re: [Qemu-devel] Proposed patch: huge RX speedup for hw/e1000.c
Date: Thu, 31 May 2012 13:15:36 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:12.0) Gecko/20120430 Thunderbird/12.0.1

Il 31/05/2012 13:06, Stefano Stabellini ha scritto:
>> > For Xen I think this is not possible at the moment because it doesn't
>> > implement rx notification.
> Why do you say that? Xen supports the iothread and CONFIG_EVENTFD.

No, it's not that.  I was talking about feature-rx-notify.  But I
remembered wrong, that feature is advertised by the front-end, not the
back-end.  IIRC there is only one event channel per Xen network device,
so net_event is the place to add the call to qemu_flush_queued_packets.


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