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From: Avi Kivity <avi@redhat.com>
To: Anthony Liguori <anthony@codemonkey.ws>
Cc: Anjali Kulkarni <anjali@juniper.net>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>
Subject: Re: [Qemu-devel] Hitting 29 NIC limit
Date: Thu, 14 Oct 2010 15:23:22 +0200	[thread overview]
Message-ID: <4CB7044A.4050705@redhat.com> (raw)
In-Reply-To: <4CB6FD7E.7010606@codemonkey.ws>

  On 10/14/2010 02:54 PM, Anthony Liguori wrote:
>>> The key is to make the virtio-net devices multifunction and to fill 
>>> out all 8 functions for each slot.
>>
>> This is unlikely to work right wrt pci hotplug.
>
>
> Yes.  Our hotplug design is based on devices..  This is wrong, it 
> should be based on bus-level concepts (like PCI slots).
>
>> If we want to support a large number of interfaces, we need true 
>> multiport cards.
>
> This magic here creates a multiport virtio-net card so I'm not really 
> sure what you're suggesting.  It would certainly be nice to make this 
> all more user friendly (and make hotplug work).
>

The big issue is to fix hotplug.

I don't see how we can make it user friendly, without making the 
ordinary case even more unfriendly.  Looks like we need yet another 
level of indirection here.

-- 
error compiling committee.c: too many arguments to function


  reply	other threads:[~2010-10-14 13:23 UTC|newest]

Thread overview: 26+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
     [not found] <C8DB7E5F.2FEA4%anjali@juniper.net>
2010-10-13 22:32 ` Hitting 29 NIC limit Anjali Kulkarni
2010-10-13 22:54   ` [Qemu-devel] " Anthony Liguori
2010-10-14 12:07     ` Avi Kivity
2010-10-14 12:10       ` Daniel P. Berrange
2010-10-14 12:57         ` Anthony Liguori
2010-10-18 20:07           ` H. Peter Anvin
2010-10-14 21:42         ` Richard W.M. Jones
2010-10-14 21:57           ` Anthony Liguori
2010-10-14 22:00             ` Anjali Kulkarni
2010-10-14 22:09               ` Anthony Liguori
2010-10-14 22:12                 ` Anjali Kulkarni
2010-10-14 22:17                   ` Anthony Liguori
2010-11-16 17:23                     ` Michael S. Tsirkin
2010-11-16 19:00                       ` Anthony Liguori
2010-10-14 22:08             ` [Qemu-devel] " Richard W.M. Jones
2010-10-14 12:36       ` Markus Armbruster
2010-10-14 12:59         ` Anthony Liguori
2010-10-15  9:11           ` Markus Armbruster
2010-10-15 18:49             ` Passing in additional info to guest OS and e1000 test suite? Anjali Kulkarni
2010-10-15 20:02               ` Anthony Liguori
2010-10-14 12:54       ` [Qemu-devel] Hitting 29 NIC limit Anthony Liguori
2010-10-14 13:23         ` Avi Kivity [this message]
2010-10-14 14:11           ` Anthony Liguori
2010-10-14 14:53             ` Avi Kivity
2010-10-28 20:52       ` [Qemu-devel] Hitting 29 NIC limit (+Intel VT-c) linux_kvm
2010-11-16 17:21       ` Hitting 29 NIC limit Michael S. Tsirkin

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