From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-13.6 required=3.0 tests=BAYES_00,DKIM_INVALID, DKIM_SIGNED,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 32BD3C433DB for ; Thu, 11 Feb 2021 10:19:16 +0000 (UTC) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.kernel.org (Postfix) with ESMTPS id 9A6DC64E38 for ; Thu, 11 Feb 2021 10:19:14 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 9A6DC64E38 Authentication-Results: mail.kernel.org; dmarc=fail (p=none dis=none) header.from=redhat.com Authentication-Results: mail.kernel.org; spf=pass smtp.mailfrom=qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Received: from localhost ([::1]:45354 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1lA945-0006Zu-7V for qemu-devel@archiver.kernel.org; Thu, 11 Feb 2021 05:19:13 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:55604) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1lA8xU-0001xJ-Ta for qemu-devel@nongnu.org; Thu, 11 Feb 2021 05:12:24 -0500 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:55285) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1lA8xO-0005eD-Op for qemu-devel@nongnu.org; Thu, 11 Feb 2021 05:12:24 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1613038337; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: in-reply-to:in-reply-to:references:references; bh=K8z99wPdzH+CjZKBLLXKqTYVHDCqWpzcL6e8fjIyvCA=; b=R5Yb3B6BllbLcBU3vLJdZdvC+bR86mwbaenM2rT1H+51fOQ8hWviIl2irWsmOZG94mvUV5 ZDbWLZJMOdEdNoZkUoOSFq6+drI+YnKXiCFYmWrMNsRuuaN/SS9zmCAlLVPt4Q3Wzv+SIw Gn3L9L8pJ3XgvFVQcrDch3iQf4bqUNA= Received: from mimecast-mx01.redhat.com (mimecast-mx01.redhat.com [209.132.183.4]) (Using TLS) by relay.mimecast.com with ESMTP id us-mta-586-SOGqzLjaOXqANsAJe_DGnw-1; Thu, 11 Feb 2021 05:12:14 -0500 X-MC-Unique: SOGqzLjaOXqANsAJe_DGnw-1 Received: from smtp.corp.redhat.com (int-mx07.intmail.prod.int.phx2.redhat.com [10.5.11.22]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id 0C60F107ACF9 for ; Thu, 11 Feb 2021 10:12:14 +0000 (UTC) Received: from localhost (ovpn-115-9.ams2.redhat.com [10.36.115.9]) by smtp.corp.redhat.com (Postfix) with ESMTP id 5466D1001E73; Thu, 11 Feb 2021 10:12:04 +0000 (UTC) Date: Thu, 11 Feb 2021 10:12:03 +0000 From: Stefan Hajnoczi To: "Dr. David Alan Gilbert (git)" Subject: Re: [PATCH 03/24] DAX: libvhost-user: Allow popping a queue element with bad pointers Message-ID: <20210211101203.GD247031@stefanha-x1.localdomain> References: <20210209190224.62827-1-dgilbert@redhat.com> <20210209190224.62827-4-dgilbert@redhat.com> MIME-Version: 1.0 In-Reply-To: <20210209190224.62827-4-dgilbert@redhat.com> X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=stefanha@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: multipart/signed; micalg=pgp-sha256; protocol="application/pgp-signature"; boundary="Qrgsu6vtpU/OV/zm" Content-Disposition: inline Received-SPF: pass client-ip=63.128.21.124; envelope-from=stefanha@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -33 X-Spam_score: -3.4 X-Spam_bar: --- X-Spam_report: (-3.4 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.568, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H4=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: virtio-fs@redhat.com, marcandre.lureau@redhat.com, qemu-devel@nongnu.org, vgoyal@redhat.com, mst@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" --Qrgsu6vtpU/OV/zm Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Content-Transfer-Encoding: quoted-printable On Tue, Feb 09, 2021 at 07:02:03PM +0000, Dr. David Alan Gilbert (git) wrot= e: > From: "Dr. David Alan Gilbert" >=20 > Allow a daemon implemented with libvhost-user to accept an > element with pointers to memory that aren't in the mapping table. > The daemon might have some special way to deal with some special > cases of this. >=20 > The default behaviour doesn't change. >=20 > Signed-off-by: Dr. David Alan Gilbert > --- > block/export/vhost-user-blk-server.c | 2 +- > contrib/vhost-user-blk/vhost-user-blk.c | 3 +- > contrib/vhost-user-gpu/vhost-user-gpu.c | 5 ++- > contrib/vhost-user-input/main.c | 4 +- > contrib/vhost-user-scsi/vhost-user-scsi.c | 2 +- > subprojects/libvhost-user/libvhost-user.c | 51 ++++++++++++++++++----- > subprojects/libvhost-user/libvhost-user.h | 8 +++- > tests/vhost-user-bridge.c | 4 +- > tools/virtiofsd/fuse_virtio.c | 3 +- > 9 files changed, 60 insertions(+), 22 deletions(-) Reviewed-by: Stefan Hajnoczi --Qrgsu6vtpU/OV/zm Content-Type: application/pgp-signature; name="signature.asc" -----BEGIN PGP SIGNATURE----- iQEzBAEBCAAdFiEEhpWov9P5fNqsNXdanKSrs4Grc8gFAmAlAvMACgkQnKSrs4Gr c8ilsQf8CSqsiNBkY6EsYDPIyLsiF1zWKe6HBkpeVe4EH6SLuof7IGHKbXhWAH2m Ro/wB4i2YLydIJAkNcibQb9MpC/N92trxjefaWiCIDZlv23xy74o10neWVuFz/cl 02cHnaORj0I62338RCdeHoowNP47Wr1D1e2tOpcIRIdtFxglrqdxeGxUz4QHP4J5 2zGYlhltqb/ABJ6dCIYDB9CliEL2j3Dkg7LvToW9Iu3yRa2PnTmmd1YpgN0XTeME uXuxQCt3GHQ9nfVae5lUFPnOy/3EmNED5j/zI4Xf9/GKWnNH7yT+mYQIuGeBgguO DQPz4KEZb9B+CqzgFVGBp6jfJRgXpQ== =5yjg -----END PGP SIGNATURE----- --Qrgsu6vtpU/OV/zm--