From: Jan Kiszka <jan.kiszka@siemens.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
Claudio Fontana <claudio.fontana@huawei.com>,
"Zhang, Yang Z" <yang.z.zhang@intel.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
"virtio-dev@lists.oasis-open.org"
<virtio-dev@lists.oasis-open.org>,
"opnfv-tech-discuss@lists.opnfv.org"
<opnfv-tech-discuss@lists.opnfv.org>
Subject: Re: RFC: virtio-peer shared memory based peer communication device
Date: Mon, 21 Sep 2015 12:47:26 +0200 [thread overview]
Message-ID: <55FFE03E.6080106@siemens.com> (raw)
In-Reply-To: <55FC7DFA.80204@redhat.com>
On 2015-09-18 23:11, Paolo Bonzini wrote:
> On 18/09/2015 18:29, Claudio Fontana wrote:
>>
>> this is a first RFC for virtio-peer 0.1, which is still very much a work in progress:
>>
>> https://github.com/hw-claudio/virtio-peer/wiki
>>
>> It is also available as PDF there, but the text is reproduced here for commenting:
>>
>> Peer shared memory communication device (virtio-peer)
>
> Apart from the windows idea, how does virtio-peer compare to virtio-rpmsg?
rpmsg is a very specialized thing. It targets single AMP cores, assuming
that those have full access to the main memory. And it is also a
centralized approach where all message go through the main Linux
instance. I suspect we could cover that use case as well with generic
inter-vm shared memory device, but I didn't think about all details yet.
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux
WARNING: multiple messages have this Message-ID (diff)
From: Jan Kiszka <jan.kiszka@siemens.com>
To: Paolo Bonzini <pbonzini@redhat.com>,
Claudio Fontana <claudio.fontana@huawei.com>,
"Zhang, Yang Z" <yang.z.zhang@intel.com>,
"Michael S. Tsirkin" <mst@redhat.com>,
"qemu-devel@nongnu.org" <qemu-devel@nongnu.org>,
"virtualization@lists.linux-foundation.org"
<virtualization@lists.linux-foundation.org>,
"virtio-dev@lists.oasis-open.org"
<virtio-dev@lists.oasis-open.org>,
"opnfv-tech-discuss@lists.opnfv.org"
<opnfv-tech-discuss@lists.opnfv.org>
Subject: Re: [Qemu-devel] RFC: virtio-peer shared memory based peer communication device
Date: Mon, 21 Sep 2015 12:47:26 +0200 [thread overview]
Message-ID: <55FFE03E.6080106@siemens.com> (raw)
In-Reply-To: <55FC7DFA.80204@redhat.com>
On 2015-09-18 23:11, Paolo Bonzini wrote:
> On 18/09/2015 18:29, Claudio Fontana wrote:
>>
>> this is a first RFC for virtio-peer 0.1, which is still very much a work in progress:
>>
>> https://github.com/hw-claudio/virtio-peer/wiki
>>
>> It is also available as PDF there, but the text is reproduced here for commenting:
>>
>> Peer shared memory communication device (virtio-peer)
>
> Apart from the windows idea, how does virtio-peer compare to virtio-rpmsg?
rpmsg is a very specialized thing. It targets single AMP cores, assuming
that those have full access to the main memory. And it is also a
centralized approach where all message go through the main Linux
instance. I suspect we could cover that use case as well with generic
inter-vm shared memory device, but I didn't think about all details yet.
Jan
--
Siemens AG, Corporate Technology, CT RTC ITP SES-DE
Corporate Competence Center Embedded Linux
next prev parent reply other threads:[~2015-09-21 10:47 UTC|newest]
Thread overview: 79+ messages / expand[flat|nested] mbox.gz Atom feed top
2015-08-31 14:11 [Qemu-devel] rfc: vhost user enhancements for vm2vm communication Michael S. Tsirkin
2015-08-31 18:35 ` Nakajima, Jun
2015-08-31 18:35 ` [Qemu-devel] " Nakajima, Jun
2015-09-01 3:03 ` Varun Sethi
2015-09-01 8:30 ` Michael S. Tsirkin
2015-09-01 8:30 ` Michael S. Tsirkin
2015-09-01 3:03 ` Varun Sethi
2015-09-01 8:17 ` Michael S. Tsirkin
2015-09-01 22:56 ` Nakajima, Jun
2015-09-01 22:56 ` [Qemu-devel] " Nakajima, Jun
2015-09-01 8:17 ` Michael S. Tsirkin
2015-10-06 21:42 ` Nakajima, Jun
2015-10-06 21:42 ` [Qemu-devel] " Nakajima, Jun
2015-10-07 5:39 ` Michael S. Tsirkin
2015-10-07 5:39 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-01 7:35 ` Jan Kiszka
2015-09-01 7:35 ` [Qemu-devel] " Jan Kiszka
2015-09-01 8:01 ` Michael S. Tsirkin
2015-09-01 8:01 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-01 9:11 ` Jan Kiszka
2015-09-01 9:11 ` [Qemu-devel] " Jan Kiszka
2015-09-01 9:24 ` Michael S. Tsirkin
2015-09-01 9:24 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-01 14:09 ` Jan Kiszka
2015-09-01 14:09 ` [Qemu-devel] " Jan Kiszka
2015-09-01 14:34 ` Michael S. Tsirkin
2015-09-01 14:34 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-01 15:34 ` Jan Kiszka
2015-09-01 15:34 ` [Qemu-devel] " Jan Kiszka
2015-09-01 16:02 ` Michael S. Tsirkin
2015-09-01 16:02 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-01 16:28 ` Jan Kiszka
2015-09-01 16:28 ` [Qemu-devel] " Jan Kiszka
2015-09-02 0:01 ` Nakajima, Jun
2015-09-02 0:01 ` [Qemu-devel] " Nakajima, Jun
2015-09-02 12:15 ` Michael S. Tsirkin
2015-09-02 12:15 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-03 4:45 ` Nakajima, Jun
2015-09-03 8:09 ` Michael S. Tsirkin
2015-09-03 8:09 ` Michael S. Tsirkin
2015-09-03 4:45 ` Nakajima, Jun
2015-09-03 8:08 ` Michael S. Tsirkin
2015-09-03 8:08 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-03 8:21 ` Jan Kiszka
2015-09-03 8:21 ` [Qemu-devel] " Jan Kiszka
2015-09-03 8:37 ` Michael S. Tsirkin
2015-09-03 8:37 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-03 10:25 ` Jan Kiszka
2015-09-03 10:25 ` [Qemu-devel] " Jan Kiszka
2015-09-07 12:38 ` Claudio Fontana
2015-09-07 12:38 ` [Qemu-devel] " Claudio Fontana
2015-09-09 6:40 ` [Qemu-devel] [opnfv-tech-discuss] " Zhang, Yang Z
2015-09-09 8:39 ` Claudio Fontana
2015-09-09 8:39 ` [Qemu-devel] " Claudio Fontana
2015-09-18 16:29 ` RFC: virtio-peer shared memory based peer communication device Claudio Fontana
2015-09-18 16:29 ` [Qemu-devel] " Claudio Fontana
2015-09-18 21:11 ` Paolo Bonzini
2015-09-18 21:11 ` [Qemu-devel] " Paolo Bonzini
2015-09-21 10:47 ` Jan Kiszka [this message]
2015-09-21 10:47 ` Jan Kiszka
2015-09-21 12:15 ` Paolo Bonzini
2015-09-21 12:15 ` [Qemu-devel] " Paolo Bonzini
2015-09-21 12:13 ` Michael S. Tsirkin
2015-09-21 12:13 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-21 12:32 ` Jan Kiszka
2015-09-21 12:32 ` [Qemu-devel] " Jan Kiszka
2015-09-24 10:04 ` Michael S. Tsirkin
2015-09-24 10:04 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-09 6:40 ` [opnfv-tech-discuss] rfc: vhost user enhancements for vm2vm communication Zhang, Yang Z
2015-09-09 7:06 ` [Qemu-devel] " Michael S. Tsirkin
2015-09-11 15:39 ` Claudio Fontana
2015-09-11 15:39 ` [Qemu-devel] " Claudio Fontana
2015-09-13 9:12 ` Michael S. Tsirkin
2015-09-14 0:43 ` [opnfv-tech-discuss] " Zhang, Yang Z
2015-09-14 0:43 ` [Qemu-devel] " Zhang, Yang Z
2015-09-13 9:12 ` Michael S. Tsirkin
2015-09-09 7:06 ` Michael S. Tsirkin
2015-09-14 16:00 ` [virtio-dev] " Stefan Hajnoczi
2015-09-14 16:00 ` [Qemu-devel] " Stefan Hajnoczi
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