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=-5.2 required=3.0 tests=FROM_EXCESS_BASE64, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE, SPF_PASS,USER_AGENT_MUTT 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 84858C48BD4 for ; Tue, 25 Jun 2019 16:46:54 +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 5812D2133F for ; Tue, 25 Jun 2019 16:46:54 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org 5812D2133F 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]:34026 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hfoar-0006dw-Ch for qemu-devel@archiver.kernel.org; Tue, 25 Jun 2019 12:46:53 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:51063) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hfoYv-0005fJ-VH for qemu-devel@nongnu.org; Tue, 25 Jun 2019 12:44:55 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hfoYt-0007p8-FW for qemu-devel@nongnu.org; Tue, 25 Jun 2019 12:44:53 -0400 Received: from mx1.redhat.com ([209.132.183.28]:56150) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hfoYp-0007k6-PY for qemu-devel@nongnu.org; Tue, 25 Jun 2019 12:44:48 -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 60211309175F for ; Tue, 25 Jun 2019 16:44:40 +0000 (UTC) Received: from redhat.com (ovpn-112-73.ams2.redhat.com [10.36.112.73]) by smtp.corp.redhat.com (Postfix) with ESMTPS id 75ADA19C6F; Tue, 25 Jun 2019 16:44:36 +0000 (UTC) Date: Tue, 25 Jun 2019 17:44:33 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Igor Mammedov Message-ID: <20190625164433.GL3139@redhat.com> References: <20190625161629.302-1-imammedo@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190625161629.302-1-imammedo@redhat.com> User-Agent: Mutt/1.11.4 (2019-03-13) 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, 25 Jun 2019 16:44:40 +0000 (UTC) Content-Transfer-Encoding: quoted-printable 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] [PATCH v2] deprecate -mem-path fallback to anonymous RAM 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: , Reply-To: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= Cc: libvir-list@redhat.com, armbru@redhat.com, qemu-devel@nongnu.org, dgilbert@redhat.com, ehabkost@redhat.com Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Jun 25, 2019 at 12:16:29PM -0400, Igor Mammedov wrote: > Fallback might affect guest or worse whole host performance > or functionality if backing file were used to share guest RAM > with another process. >=20 > Patch deprecates fallback so that we could remove it in future > and ensure that QEMU will provide expected behavior and fail if > it can't use user provided backing file. >=20 > Signed-off-by: Igor Mammedov > --- > v2: > * improve text language > (Markus Armbruster ) >=20 > numa.c | 6 ++++-- > qemu-deprecated.texi | 9 +++++++++ > 2 files changed, 13 insertions(+), 2 deletions(-) Reviewed-by: Daniel P. Berrang=C3=A9 Regards, Daniel --=20 |: https://berrange.com -o- https://www.flickr.com/photos/dberran= ge :| |: https://libvirt.org -o- https://fstop138.berrange.c= om :| |: https://entangle-photo.org -o- https://www.instagram.com/dberran= ge :|