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=-2.8 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,USER_AGENT_NEOMUTT 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 CA9D5C31E51 for ; Tue, 18 Jun 2019 05:13:13 +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 96F1420873 for ; Tue, 18 Jun 2019 05:13:13 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 96F1420873 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]:53712 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hd6Qi-0002Gs-FX for qemu-devel@archiver.kernel.org; Tue, 18 Jun 2019 01:13:12 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:50091) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hd6QF-0001s9-2z for qemu-devel@nongnu.org; Tue, 18 Jun 2019 01:12:43 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hd6QE-0001GY-81 for qemu-devel@nongnu.org; Tue, 18 Jun 2019 01:12:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:43812) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hd6QE-0001Bx-2X for qemu-devel@nongnu.org; Tue, 18 Jun 2019 01:12:42 -0400 Received: from smtp.corp.redhat.com (int-mx08.intmail.prod.int.phx2.redhat.com [10.5.11.23]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 8542E3162903; Tue, 18 Jun 2019 05:12:36 +0000 (UTC) Received: from sirius.home.kraxel.org (ovpn-116-33.ams2.redhat.com [10.36.116.33]) by smtp.corp.redhat.com (Postfix) with ESMTP id BA0EA1A8EC; Tue, 18 Jun 2019 05:12:28 +0000 (UTC) Received: by sirius.home.kraxel.org (Postfix, from userid 1000) id 7CD3411AAF; Tue, 18 Jun 2019 07:12:27 +0200 (CEST) Date: Tue, 18 Jun 2019 07:12:27 +0200 From: Gerd Hoffmann To: elena.ufimtseva@oracle.com Message-ID: <20190618051227.fic3k5ihwwj4zji7@sirius.home.kraxel.org> References: <20190617181459.29139-1-elena.ufimtseva@oracle.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20190617181459.29139-1-elena.ufimtseva@oracle.com> User-Agent: NeoMutt/20180716 X-Scanned-By: MIMEDefang 2.84 on 10.5.11.23 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.41]); Tue, 18 Jun 2019 05:12:36 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: Re: [Qemu-devel] [RFC PATCH v2 01/35] multi-process: memory: alloc RAM from file at offset 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: john.g.johnson@oracle.com, jag.raman@oracle.com, konrad.wilk@oracle.com, qemu-devel@nongnu.org, ross.lagerwall@citrix.com, liran.alon@oracle.com, stefanha@redhat.com, pbonzini@redhat.com, kanth.ghatraju@oracle.com, rth@twiddle.net Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Mon, Jun 17, 2019 at 11:14:59AM -0700, elena.ufimtseva@oracle.com wrote: > From: Jagannathan Raman > > Allow RAM MemoryRegion to be created from an offset in a file, instead > of allocating at offset of 0 by default. This is needed to synchronize > RAM between QEMU & remote process. > This will be needed for the following patches. Details please. vhost-user works fine without this ... cheers, Gerd