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Re: [Qemu-devel] snabbswitch integration with QEMU for userspace etherne
From: |
ronnie sahlberg |
Subject: |
Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O |
Date: |
Wed, 29 May 2013 19:35:44 -0700 |
Julian,
Stefan's concerns are valid.
(Hopefully, kernel is harder to exploit and more carefully audited.)
On Wed, May 29, 2013 at 9:02 AM, Julian Stecklina
<address@hidden> wrote:
> 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...
>
> Julian
>
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, (continued)
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Michael S. Tsirkin, 2013/05/28
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Anthony Liguori, 2013/05/28
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Stefano Stabellini, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Michael S. Tsirkin, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Stefano Stabellini, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Stefan Hajnoczi, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Michael S. Tsirkin, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Stefan Hajnoczi, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Michael S. Tsirkin, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Julian Stecklina, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O,
ronnie sahlberg <=
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Stefan Hajnoczi, 2013/05/30
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Michael S. Tsirkin, 2013/05/30
- Re: [Qemu-devel] [snabb-devel:308] Re: snabbswitch integration with QEMU for userspace ethernet I/O, Luke Gorrie, 2013/05/30
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Julian Stecklina, 2013/05/30
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Julian Stecklina, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Stefan Hajnoczi, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Julian Stecklina, 2013/05/29
- Re: [Qemu-devel] snabbswitch integration with QEMU for userspace ethernet I/O, Stefan Hajnoczi, 2013/05/28