From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:48240) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1daFhd-0002JE-3H for qemu-devel@nongnu.org; Wed, 26 Jul 2017 02:21:50 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1daFha-0007Qb-02 for qemu-devel@nongnu.org; Wed, 26 Jul 2017 02:21:49 -0400 Received: from mx1.redhat.com ([209.132.183.28]:53246) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1daFhZ-0007QN-QA for qemu-devel@nongnu.org; Wed, 26 Jul 2017 02:21:45 -0400 References: <4E0AFA5F-44D6-4624-A99F-68A7FE52F397@meituan.com> <4b31a711-a52e-25d3-4a7c-1be8521097d9@redhat.com> From: Marcel Apfelbaum Message-ID: <859362e8-0d98-3865-8bad-a15bfa218167@redhat.com> Date: Wed, 26 Jul 2017 09:21:38 +0300 MIME-Version: 1.0 In-Reply-To: Content-Type: text/plain; charset=gbk; format=flowed Content-Language: en-US Content-Transfer-Encoding: quoted-printable Subject: Re: [Qemu-devel] =?utf-8?q?About_virtio_device_hotplug_in_Q35!_?= =?utf-8?b?44CQ5aSW5Z+f6YKu5Lu2LuiwqOaFjuafpemYheOAkQ==?= List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?UTF-8?B?6ZmI5Y2a?= , alex.williamson@redhat.com, Michael Tsirkin Cc: qemu-devel@nongnu.org On 25/07/2017 11:53, =B3=C2=B2=A9 wrote: > To accelerate data traversing between devices under the same PCIE Root=20 > Port or Switch. >=20 > See https://lists.nongnu.org/archive/html/qemu-devel/2017-07/msg07209.h= tml >=20 Hi, It may be possible, but maybe PCIe Switch assignment is not the only way to go. Adding Alex and Michael for their input on this matter. More info at: https://lists.nongnu.org/archive/html/qemu-devel/2017-07/msg07209.html Thanks, Marcel >=20 > =B3=C2=B2=A9 >=20 >=20 >=20 > =D4=DA 2017=C4=EA7=D4=C224=C8=D5=A3=AC=CF=C2=CE=E77:36=A3=ACmarcel@redh= at.com =20 > =D0=B4=B5=C0=A3=BA >=20 >> On 24/07/2017 13:24, =B3=C2=B2=A9 wrote: >>> Is there any chance we could passthrough a real PCIE Root Port device= =20 >>> into VM? >> >> Hi, >> >> Is an interesting thought, I didn't think about >> it yet. What is the scenario? >> >> Please be sure to CC the qemu-devel next time :) >> >> Thanks, >> Marcel >> >>> =B3=C2=B2=A9 >> >=20