From mboxrd@z Thu Jan 1 00:00:00 1970 From: Markus Armbruster Subject: Re: Using virtio for inter-VM communication Date: Thu, 12 Jun 2014 08:48:04 +0200 Message-ID: <87ppie1v4r.fsf@blackfin.pond.sub.org> References: <20140610184818.2e490419@nbschild1> <53978375.6090707@6wind.com> Mime-Version: 1.0 Content-Type: text/plain Cc: Henning Schild , qemu-devel@nongnu.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org To: Vincent JARDIN Return-path: In-Reply-To: <53978375.6090707@6wind.com> (Vincent JARDIN's message of "Wed, 11 Jun 2014 00:15:17 +0200") List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org Sender: qemu-devel-bounces+gceq-qemu-devel=gmane.org@nongnu.org List-Id: kvm.vger.kernel.org Vincent JARDIN writes: > On 10/06/2014 18:48, Henning Schild wrote:> Hi, >> In a first prototype i implemented a ivshmem[2] device for the >> hypervisor. That way we can share memory between virtual machines. >> Ivshmem is nice and simple but does not seem to be used anymore. >> And it >> does not define higher level devices, like a console. > > FYI, ivhsmem is used here: > http://dpdk.org/browse/memnic/tree/ > > http://dpdk.org/browse/memnic/tree/pmd/pmd_memnic.c#n449 > > There are some few other references too, if needed. It may be used, but that doesn't mean it's maintained, or robust against abuse. My advice is to steer clear of it. From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:52732) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wuyo5-0007Ew-TR for qemu-devel@nongnu.org; Thu, 12 Jun 2014 02:48:22 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1Wuyo1-00075s-1A for qemu-devel@nongnu.org; Thu, 12 Jun 2014 02:48:17 -0400 Received: from oxygen.pond.sub.org ([2a01:4f8:201:233:1::3]:38999) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1Wuyo0-00074Y-Qy for qemu-devel@nongnu.org; Thu, 12 Jun 2014 02:48:12 -0400 From: Markus Armbruster References: <20140610184818.2e490419@nbschild1> <53978375.6090707@6wind.com> Date: Thu, 12 Jun 2014 08:48:04 +0200 In-Reply-To: <53978375.6090707@6wind.com> (Vincent JARDIN's message of "Wed, 11 Jun 2014 00:15:17 +0200") Message-ID: <87ppie1v4r.fsf@blackfin.pond.sub.org> MIME-Version: 1.0 Content-Type: text/plain Subject: Re: [Qemu-devel] Using virtio for inter-VM communication List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: Vincent JARDIN Cc: Henning Schild , qemu-devel@nongnu.org, kvm@vger.kernel.org, virtualization@lists.linux-foundation.org Vincent JARDIN writes: > On 10/06/2014 18:48, Henning Schild wrote:> Hi, >> In a first prototype i implemented a ivshmem[2] device for the >> hypervisor. That way we can share memory between virtual machines. >> Ivshmem is nice and simple but does not seem to be used anymore. >> And it >> does not define higher level devices, like a console. > > FYI, ivhsmem is used here: > http://dpdk.org/browse/memnic/tree/ > > http://dpdk.org/browse/memnic/tree/pmd/pmd_memnic.c#n449 > > There are some few other references too, if needed. It may be used, but that doesn't mean it's maintained, or robust against abuse. My advice is to steer clear of it.