From: David Hildenbrand <david@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>, Sergio Lopez <slp@redhat.com>
Cc: qemu-devel@nongnu.org, mst@redhat.com, imammedo@redhat.com,
marcel.apfelbaum@gmail.com, rth@twiddle.net, ehabkost@redhat.com,
philmd@redhat.com, lersek@redhat.com, kraxel@redhat.com,
mtosatti@redhat.com, kvm@vger.kernel.org,
Pankaj Gupta <pagupta@redhat.com>
Subject: Re: when to use virtio (was Re: [PATCH v4 0/8] Introduce the microvm machine type)
Date: Wed, 25 Sep 2019 13:32:25 +0200 [thread overview]
Message-ID: <e3f95ce8-8d0e-12b1-1c96-06e666bb7d15@redhat.com> (raw)
In-Reply-To: <92063179-559b-6dd9-9ec6-2b4e3d924e66@redhat.com>
On 25.09.19 13:24, Paolo Bonzini wrote:
> On 25/09/19 12:50, David Hildenbrand wrote:
>> Can't tell if there might be extensions (if virtio-mem ever comes to
>> life ;) ) that might make use of asynchronous communication. Especially,
>> there might be asynchronous/multiple guest->host requests at some point
>> (e.g., "I'm nearly out of memory, please send help").
>
> Okay, this makes sense. I'm almost sold on it. :)
>
> Config space also makes sense, though what you really need is the config
> space interrupt, rather than config space per se.
>
Right, and feature negotiation is yet another nice-to-have thingy in the
virtio world :)
> Paolo
--
Thanks,
David / dhildenb
WARNING: multiple messages have this Message-ID (diff)
From: David Hildenbrand <david@redhat.com>
To: Paolo Bonzini <pbonzini@redhat.com>, Sergio Lopez <slp@redhat.com>
Cc: Pankaj Gupta <pagupta@redhat.com>,
ehabkost@redhat.com, kvm@vger.kernel.org, mst@redhat.com,
lersek@redhat.com, mtosatti@redhat.com, qemu-devel@nongnu.org,
kraxel@redhat.com, imammedo@redhat.com, philmd@redhat.com,
rth@twiddle.net
Subject: Re: when to use virtio (was Re: [PATCH v4 0/8] Introduce the microvm machine type)
Date: Wed, 25 Sep 2019 13:32:25 +0200 [thread overview]
Message-ID: <e3f95ce8-8d0e-12b1-1c96-06e666bb7d15@redhat.com> (raw)
In-Reply-To: <92063179-559b-6dd9-9ec6-2b4e3d924e66@redhat.com>
On 25.09.19 13:24, Paolo Bonzini wrote:
> On 25/09/19 12:50, David Hildenbrand wrote:
>> Can't tell if there might be extensions (if virtio-mem ever comes to
>> life ;) ) that might make use of asynchronous communication. Especially,
>> there might be asynchronous/multiple guest->host requests at some point
>> (e.g., "I'm nearly out of memory, please send help").
>
> Okay, this makes sense. I'm almost sold on it. :)
>
> Config space also makes sense, though what you really need is the config
> space interrupt, rather than config space per se.
>
Right, and feature negotiation is yet another nice-to-have thingy in the
virtio world :)
> Paolo
--
Thanks,
David / dhildenb
next prev parent reply other threads:[~2019-09-25 11:32 UTC|newest]
Thread overview: 133+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-09-24 12:44 [PATCH v4 0/8] Introduce the microvm machine type Sergio Lopez
2019-09-24 12:44 ` Sergio Lopez
2019-09-24 12:44 ` [PATCH v4 1/8] hw/i386: Factorize PVH related functions Sergio Lopez
2019-09-24 12:44 ` Sergio Lopez
2019-09-24 13:18 ` Philippe Mathieu-Daudé
2019-09-24 13:18 ` Philippe Mathieu-Daudé
2019-09-25 6:03 ` Sergio Lopez
2019-09-25 6:03 ` Sergio Lopez
2019-09-25 8:36 ` Stefano Garzarella
2019-09-25 8:36 ` Stefano Garzarella
2019-09-25 9:00 ` Sergio Lopez
2019-09-25 9:00 ` Sergio Lopez
2019-09-25 9:29 ` Stefano Garzarella
2019-09-25 9:29 ` Stefano Garzarella
2019-09-24 12:44 ` [PATCH v4 2/8] hw/i386: Factorize e820 " Sergio Lopez
2019-09-24 12:44 ` Sergio Lopez
2019-09-24 13:20 ` Philippe Mathieu-Daudé
2019-09-24 13:20 ` Philippe Mathieu-Daudé
2019-09-24 14:12 ` Sergio Lopez
2019-09-24 14:12 ` Sergio Lopez
2019-09-24 12:44 ` [PATCH v4 3/8] hw/virtio: Factorize virtio-mmio headers Sergio Lopez
2019-09-24 12:44 ` Sergio Lopez
2019-09-24 12:44 ` [PATCH v4 4/8] hw/i386: split PCMachineState deriving X86MachineState from it Sergio Lopez
2019-09-24 13:40 ` Philippe Mathieu-Daudé
2019-09-25 15:39 ` Philippe Mathieu-Daudé
2019-09-24 12:44 ` [PATCH v4 5/8] fw_cfg: add "modify" functions for all types Sergio Lopez
2019-09-24 12:44 ` Sergio Lopez
2019-09-24 12:44 ` [PATCH v4 6/8] roms: add microvm-bios (qboot) as binary and git submodule Sergio Lopez
2019-09-24 12:44 ` Sergio Lopez
2019-09-24 13:31 ` Philippe Mathieu-Daudé
2019-09-24 13:31 ` Philippe Mathieu-Daudé
2019-09-25 6:09 ` Sergio Lopez
2019-09-25 6:09 ` Sergio Lopez
2019-09-24 12:44 ` [PATCH v4 7/8] docs/microvm.txt: document the new microvm machine type Sergio Lopez
2019-09-24 12:44 ` Sergio Lopez
2019-09-24 13:10 ` Paolo Bonzini
2019-09-24 13:10 ` Paolo Bonzini
2019-09-25 5:49 ` Sergio Lopez
2019-09-25 5:49 ` Sergio Lopez
2019-09-25 7:57 ` Paolo Bonzini
2019-09-25 7:57 ` Paolo Bonzini
2019-09-25 8:40 ` Sergio Lopez
2019-09-25 8:40 ` Sergio Lopez
2019-09-25 9:22 ` Paolo Bonzini
2019-09-25 9:22 ` Paolo Bonzini
2019-09-25 11:04 ` Sergio Lopez
2019-09-25 11:04 ` Sergio Lopez
2019-09-25 11:20 ` Paolo Bonzini
2019-09-25 11:20 ` Paolo Bonzini
2019-09-25 15:04 ` Sergio Lopez
2019-09-25 15:04 ` Sergio Lopez
2019-09-25 16:46 ` Paolo Bonzini
2019-09-25 16:46 ` Paolo Bonzini
2019-09-26 6:23 ` Sergio Lopez
2019-09-26 6:23 ` Sergio Lopez
2019-09-26 8:58 ` Paolo Bonzini
2019-09-26 8:58 ` Paolo Bonzini
2019-09-26 10:16 ` Sergio Lopez
2019-09-26 10:16 ` Sergio Lopez
2019-09-26 10:21 ` Paolo Bonzini
2019-09-26 10:21 ` Paolo Bonzini
2019-09-26 12:12 ` Sergio Lopez
2019-09-26 12:12 ` Sergio Lopez
2019-09-25 5:06 ` Gerd Hoffmann
2019-09-25 5:06 ` Gerd Hoffmann
2019-09-25 7:33 ` Sergio Lopez
2019-09-25 7:33 ` Sergio Lopez
2019-09-25 8:51 ` Gerd Hoffmann
2019-09-25 8:51 ` Gerd Hoffmann
2019-09-24 12:44 ` [PATCH v4 8/8] hw/i386: Introduce the " Sergio Lopez
2019-09-24 12:44 ` Sergio Lopez
2019-09-24 13:12 ` Paolo Bonzini
2019-09-24 13:12 ` Paolo Bonzini
2019-09-24 13:24 ` Michael S. Tsirkin
2019-09-24 13:24 ` Michael S. Tsirkin
2019-09-24 13:34 ` Paolo Bonzini
2019-09-24 13:34 ` Paolo Bonzini
2019-09-25 5:53 ` Sergio Lopez
2019-09-25 5:53 ` Sergio Lopez
2019-09-24 13:28 ` Michael S. Tsirkin
2019-09-24 13:28 ` Michael S. Tsirkin
2019-09-25 5:59 ` Sergio Lopez
2019-09-25 5:59 ` Sergio Lopez
2019-10-01 8:56 ` Sergio Lopez
2019-10-01 8:56 ` Sergio Lopez
2019-09-25 15:40 ` Philippe Mathieu-Daudé
2019-09-25 15:40 ` Philippe Mathieu-Daudé
2019-09-26 6:34 ` Sergio Lopez
2019-09-26 6:34 ` Sergio Lopez
2019-09-26 8:59 ` Paolo Bonzini
2019-09-26 8:59 ` Paolo Bonzini
2019-09-24 13:57 ` [PATCH v4 0/8] " Peter Maydell
2019-09-24 13:57 ` Peter Maydell
2019-09-25 5:51 ` Sergio Lopez
2019-09-25 5:51 ` Sergio Lopez
2019-09-25 11:33 ` Philippe Mathieu-Daudé
2019-09-25 11:33 ` Philippe Mathieu-Daudé
2019-09-25 12:39 ` Peter Maydell
2019-09-25 12:39 ` Peter Maydell
2019-09-25 7:41 ` David Hildenbrand
2019-09-25 7:41 ` David Hildenbrand
2019-09-25 7:58 ` Pankaj Gupta
2019-09-25 7:58 ` Pankaj Gupta
2019-09-25 8:10 ` Sergio Lopez
2019-09-25 8:10 ` Sergio Lopez
2019-09-25 8:16 ` David Hildenbrand
2019-09-25 8:16 ` David Hildenbrand
2019-09-25 8:37 ` Pankaj Gupta
2019-09-25 8:37 ` Pankaj Gupta
2019-09-25 8:26 ` Paolo Bonzini
2019-09-25 8:26 ` Paolo Bonzini
2019-09-25 8:42 ` Sergio Lopez
2019-09-25 8:42 ` Sergio Lopez
2019-09-25 8:44 ` David Hildenbrand
2019-09-25 8:44 ` David Hildenbrand
2019-09-25 10:19 ` when to use virtio (was Re: [PATCH v4 0/8] Introduce the microvm machine type) Paolo Bonzini
2019-09-25 10:19 ` Paolo Bonzini
2019-09-25 10:50 ` David Hildenbrand
2019-09-25 10:50 ` David Hildenbrand
2019-09-25 11:24 ` Paolo Bonzini
2019-09-25 11:24 ` Paolo Bonzini
2019-09-25 11:32 ` David Hildenbrand [this message]
2019-09-25 11:32 ` David Hildenbrand
2019-09-25 9:12 ` [PATCH v4 0/8] Introduce the microvm machine type Gerd Hoffmann
2019-09-25 9:12 ` Gerd Hoffmann
2019-09-25 9:29 ` Paolo Bonzini
2019-09-25 9:29 ` Paolo Bonzini
2019-09-25 9:47 ` David Hildenbrand
2019-09-25 9:47 ` David Hildenbrand
2019-09-26 7:48 ` Christian Borntraeger
2019-09-26 7:48 ` Christian Borntraeger
2019-09-26 8:22 ` Sergio Lopez
2019-09-26 8:22 ` Sergio Lopez
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