From: Anthony Liguori <anthony@codemonkey.ws>
To: Sagar Borikar <sagar.borikar@gmail.com>
Cc: kvm@vger.kernel.org
Subject: Re: inter VM / PF-VF communication
Date: Thu, 22 Sep 2011 16:37:54 -0500 [thread overview]
Message-ID: <4E7BAAB2.8020809@codemonkey.ws> (raw)
In-Reply-To: <CAFwMWxu5y4kz8oxXtfZoiHbFoVOJXR7axMpovceMe8zCXGAraw@mail.gmail.com>
On 09/22/2011 10:23 AM, Sagar Borikar wrote:
> All,
>
> Sorry if I am not keeping up on the subject but wanted to know whether
> there is any effort going on for inter VM communication / PF-VF
> communication (in case of SR-IOV)
> I see that most of SR-IOV capable NIC supports mailboxes for that
> purpose to avoid the security hole.
> Xen has virtual device implementation for the same. Should I presume
> that such kind of effort is not on the radar and HW needs to own the
> responsibility of filling the loop holes in security threats imposed
> by VF?
I'm not aware of any vendor these days that actually requires a PV driver for
PF-VF communications. I know some toyed with the idea years ago but I thought
malboxes have become defacto standard.
Is there a specific card you think needs a pv mailbox?
Regards,
Anthony Liguori
>
> Thanks
> Sagar
> --
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next prev parent reply other threads:[~2011-09-22 21:37 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-09-22 15:23 inter VM / PF-VF communication Sagar Borikar
2011-09-22 21:37 ` Anthony Liguori [this message]
2011-09-23 1:27 ` Sagar Borikar
2011-09-23 18:15 ` Chris Wright
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