Discussion of the implementations of VIRTIO specification
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From: Boris Brezillon <boris.brezillon@collabora.com>
To: Zach Reizner <zachr@google.com>
Cc: "Gerd Hoffmann" <kraxel@redhat.com>,
	"Stefan Hajnoczi" <stefanha@redhat.com>,
	"Zach Reizner" <zachr@chromium.org>,
	"David Stevens" <stevensd@chromium.org>,
	"Stéphane Marchesin" <marcheu@chromium.org>,
	"Tomeu Vizoso" <tomeu.vizoso@collabora.com>,
	"Tomasz Figa" <tfiga@chromium.org>,
	virtio-dev@lists.oasis-open.org,
	"Alexandros Frantzis" <alexandros.frantzis@collabora.co.uk>
Subject: [virtio-dev] Re: [RFC] Upstreaming virtio-wayland (or an alternative)
Date: Mon, 24 Feb 2020 11:33:48 +0100	[thread overview]
Message-ID: <20200224113348.356d8cb8@collabora.com> (raw)
In-Reply-To: <20200217192150.07f9e253@collabora.com>

On Mon, 17 Feb 2020 19:21:50 +0100
Boris Brezillon <boris.brezillon@collabora.com> wrote:

> > > Thats why I don't like the new virtio device idea much and would prefer
> > > vhost being reused, either directly (#1) or via proxy (#2).  
> > 
> > For crosvm's purposes, we are looking at ways to reduce vhost usage in
> > order to reduce host kernel exposure to untrusted guest input,
> > including from the guest kernel. That is why a non-vhost based
> > solution would be prefered.  
> 
> Okay, I didn't know you were avoiding vhost-based solutions to
> reduce the attack surface.

Looks like they implemented vhost-less vsock in Firecracker[1]. Not
sure how much work that would be to port this implementation to crosvm,
but maybe that's an option.

[1]https://github.com/firecracker-microvm/firecracker/pull/1176

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  parent reply	other threads:[~2020-02-24 10:33 UTC|newest]

Thread overview: 42+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-02-07 17:28 [virtio-dev] [RFC] Upstreaming virtio-wayland (or an alternative) Boris Brezillon
2020-02-10  5:06 ` [virtio-dev] " David Stevens
2020-02-17 10:02   ` Boris Brezillon
2020-02-17 10:22     ` David Stevens
2020-02-10 13:38 ` Gerd Hoffmann
2020-02-10 16:09   ` Stefan Hajnoczi
2020-02-17 10:28   ` Boris Brezillon
2020-02-17 12:32     ` Gerd Hoffmann
2020-02-17 13:44       ` Boris Brezillon
     [not found] ` <CADMs+9YC3QHOsmsB9pjA-AFC+fc=_a+tSqBbDsecNvkhBc85Dw@mail.gmail.com>
2020-02-17 11:02   ` Boris Brezillon
2020-02-17 13:58 ` Boris Brezillon
     [not found]   ` <CAFNex=BuHdsEjFK3_cTqO2nOE-kB_MSH26sCTekF_6AK8Fyv3Q@mail.gmail.com>
2020-02-17 18:21     ` Boris Brezillon
     [not found]       ` <CAFNex=A8fU3e=FYP=t7jQ0J2E5aoyGKujhj8Df+vOhkzV8etgA@mail.gmail.com>
2020-02-19  8:52         ` Boris Brezillon
2020-02-24 10:33       ` Boris Brezillon [this message]
2020-02-24 12:12         ` Gerd Hoffmann
2020-02-24 12:45           ` Boris Brezillon
2020-02-24 13:18             ` Boris Brezillon
2020-02-24 13:42               ` Gerd Hoffmann
2020-02-24 13:57                 ` Boris Brezillon
2020-02-24 14:25                   ` Boris Brezillon
2020-02-24 13:35             ` Gerd Hoffmann
2020-02-24 12:32       ` Gerd Hoffmann
2020-02-25 15:21 ` [virtio-dev] " Boris Brezillon
2020-02-25 15:55   ` Alex Bennée
2020-02-26  9:25     ` Boris Brezillon
2020-02-26 15:12   ` Gerd Hoffmann
2020-02-26 17:05     ` Boris Brezillon
2020-02-27 10:29       ` Gerd Hoffmann
2020-02-27 12:24         ` Boris Brezillon
2020-02-27  4:20   ` David Stevens
2020-02-27  9:09     ` Boris Brezillon
     [not found]       ` <CAFNex=C4wm7=iH9XmyHoTSdkDfA3vbFOuLaaQ4aLjE9keu_NDg@mail.gmail.com>
2020-02-27  9:33         ` Boris Brezillon
2020-02-27 11:14       ` David Stevens
2020-02-27 11:51         ` Boris Brezillon
2020-02-27 14:43         ` Gerd Hoffmann
2020-02-28  8:04           ` Boris Brezillon
2020-02-28  9:27             ` Gerd Hoffmann
2020-02-28 10:11               ` David Stevens
2020-02-28 10:30                 ` Gerd Hoffmann
2020-03-02  2:24                   ` David Stevens
2020-03-02  9:28                     ` Boris Brezillon
2020-02-28 10:31                 ` Boris Brezillon

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