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Re: [Qemu-devel] snabbswitch integration with QEMU for userspace etherne

From: Julian Stecklina
Subject: Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O
Date: Wed, 29 May 2013 18:02:08 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6

On 05/29/2013 04:21 PM, Stefan Hajnoczi wrote:
> The fact that a single switch process has shared memory access to all
> guests' RAM is critical.  If the switch process is exploited, then that
> exposes other guests' data!  (Think of a multi-tenant host with guests
> belonging to different users.)

True. But people don't mind having instruction decoding and half of
virtio in the kernel these days, so it can't be that security critical...


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