From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43495) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBGYI-0004u2-JD for qemu-devel@nongnu.org; Tue, 22 Dec 2015 01:36:07 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aBGYD-0001aZ-Kn for qemu-devel@nongnu.org; Tue, 22 Dec 2015 01:36:06 -0500 Received: from mail-pf0-x22a.google.com ([2607:f8b0:400e:c00::22a]:33530) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aBGYD-0001aV-FB for qemu-devel@nongnu.org; Tue, 22 Dec 2015 01:36:01 -0500 Received: by mail-pf0-x22a.google.com with SMTP id n128so84701293pfn.0 for ; Mon, 21 Dec 2015 22:36:01 -0800 (PST) Date: Tue, 22 Dec 2015 14:35:57 +0800 From: Stefan Hajnoczi Message-ID: <20151222063557.GA23256@stefanha-x1.localdomain> References: <20151125094446.GG7357@stefanha-x1.localdomain> <20151202132950.GA29511@stefanha-x1.localdomain> MIME-Version: 1.0 Content-Type: multipart/signed; micalg=pgp-sha1; protocol="application/pgp-signature"; boundary="17pEHd4RhPHOinZp" Content-Disposition: inline In-Reply-To: Subject: Re: [Qemu-devel] =?utf-8?b?5Zue5aSN77yaICDlm57lpI3vvJogIHNvbWVjb25m?= =?utf-8?q?usion_on_qemu_i/o_pocess_and_the_qcow2format?= List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: =?utf-8?B?5rWp5qiK5ZWK?= Cc: qemu-devel --17pEHd4RhPHOinZp Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Mon, Dec 21, 2015 at 10:48:07AM +0800, =E6=B5=A9=E6=A8=8A=E5=95=8A wrote: > I want to change the queue_size of virtio-blk ring from 128 to 1024, so I= change here: > s->vq =3D virtio_add_queue(vdev, 128, virtio_blk_handle_output); > but the vm will not work. Are any thing i missed ? I think 1024 should work in theory (it's the max supported virtqueue size). You'd have to debug it to figure out why. Stefan --17pEHd4RhPHOinZp Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- Version: GnuPG v1 iQEcBAEBAgAGBQJWeO9NAAoJEJykq7OBq3PIZVUH/3fmd5BN0h3VD/xrzki2PFra KggS8Yzhb8pDn7B1M2weVh1eTtOyAWhXg2w3xm7sSCPKEE6zz4XqLZi8F74k5IFi RcBR4F9yozVOj6JvKS/htGo5/cuQSumxyoblkVNw0wvTAF2GfIMEpuT1Lsw6O4IU b+4VkwyL1bWKWB5cMXnZAluVwdr/EZcUEDyVoJNJvZ0HbJuT1oK+mXs43MacG6ZM w2yu6n1XTN9Y+TWddwV6xqUVrVfLXbOVFab+J5VBERaY/0en77HXLkN2hkuYlH3t /zuzm9yUJ+DEGV9sDyafACA///H/ffxONFUR1BYiQEWOsH2q1EvKq9C7bJ5BjxY= =Bdlm -----END PGP SIGNATURE----- --17pEHd4RhPHOinZp--