From mboxrd@z Thu Jan 1 00:00:00 1970 Received: by 2002:a19:c345:0:0:0:0:0 with SMTP id t66csp8341011lff; Thu, 16 Jan 2020 05:06:53 -0800 (PST) X-Google-Smtp-Source: APXvYqyzKP7a5VykXJFv9uq3NobLf0WbbNgTEyM+XDR3jdVx2hgiA5YonnoJ3KTrjTUjv5gPOa4V X-Received: by 2002:a05:620a:992:: with SMTP id x18mr33059092qkx.327.1579180013008; Thu, 16 Jan 2020 05:06:53 -0800 (PST) ARC-Seal: i=1; a=rsa-sha256; t=1579180013; cv=none; d=google.com; s=arc-20160816; b=iqmKJ0pocwQf09UCX6RX08uV3HOBQrPJTlaJKTy15d8dv+xkXlQS4h9ehEmBfRZg0s 2ivvT3hvRR+QvUXw0ViqGGbnTmuSZkUUj5Yt5jWrTW15FuPyxGvraiOSuKrp8k5HQxuy 8Cibtm99c0PUuhXxi/ME9WMkoR7Jx/XY8L85kVlty8CgWjxLMb1lqEOauZNROEoz3h8M sh9zEUDCozqLLROksMZGbnK76pKHXut16MdMXHI+QjW/mEGCuqS+u53TkGL+2nOiQyt3 3eO1chy8k/LS279QG/4zxn9+aoMnnTOcmgqtKt0E6TS40PVCQOfH6R0KJEv03rmxfLS7 HD4Q== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=sender:errors-to:cc:reply-to:list-subscribe:list-help:list-post :list-archive:list-unsubscribe:list-id:precedence :content-disposition:content-transfer-encoding:user-agent :in-reply-to:mime-version:references:message-id:subject:to:from:date :dkim-signature; bh=tzM349piLanBIg0eCYJA/uoBwSBRKRRzfVlmnUZ1vh4=; b=Z0NMuqMtZUrnXombpjEJphBwsv+Zaz2QZ64W5Vdjc8tUVgtSM2zlyZ1AcFpb6XkSH0 2w1ayeOsFUUHfAYFt8aZlFSwyefPHehO3VjaLL8V10qjLvSZFGFgFk2APXJibxo/f3Om 4cf8oWaPHPjjllgmAykU1oyt6zGTNyqyQrHA3HrIkj3pKYbo/zwZNEWNoyq1DXfArSls tWbTa0Syynx1GynWSQQODrxYxz8uUKC9JZ24U13mi22NXNxUl9xuIvRuLKRJN+bgQZL8 v4W/rQOuArWiZeUCTwIxfBrpMCHBec1yKvybaoaB+Mez4LG2AqJHPX66AAGuZz69kdNy 7w9A== ARC-Authentication-Results: i=1; mx.google.com; dkim=fail header.i=@redhat.com header.s=mimecast20190719 header.b=aKEctoCQ; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Return-Path: Received: from lists.gnu.org (lists.gnu.org. [209.51.188.17]) by mx.google.com with ESMTPS id a23si11910783qvf.173.2020.01.16.05.06.52 for (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Thu, 16 Jan 2020 05:06:52 -0800 (PST) Received-SPF: pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; Authentication-Results: mx.google.com; dkim=fail header.i=@redhat.com header.s=mimecast20190719 header.b=aKEctoCQ; spf=pass (google.com: domain of qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom="qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org"; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=redhat.com Received: from localhost ([::1]:41708 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1is4rM-0002dn-FL for alex.bennee@linaro.org; Thu, 16 Jan 2020 08:06:52 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]:39489) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1is4rE-0002dJ-3Z for qemu-arm@nongnu.org; Thu, 16 Jan 2020 08:06:45 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1is4rC-0007ND-Om for qemu-arm@nongnu.org; Thu, 16 Jan 2020 08:06:44 -0500 Received: from us-smtp-1.mimecast.com ([207.211.31.81]:28725 helo=us-smtp-delivery-1.mimecast.com) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1is4rC-0007Ml-LF for qemu-arm@nongnu.org; Thu, 16 Jan 2020 08:06:42 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1579180002; h=from:from:reply-to:reply-to:subject:subject:date:date: message-id:message-id:to:to:cc:cc:mime-version:mime-version: content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=tzM349piLanBIg0eCYJA/uoBwSBRKRRzfVlmnUZ1vh4=; b=aKEctoCQM8n3VvRSo1xBLiQkIg7Rw0+xZoogVgasy5x5haWzwngiG+pmv9v4xVidTTH55z RDwdWDd83ZKmH88aliAigndIDxrHzFYkEwascSDGuTjx9z88XnSZ7hzZKbg1lI5QMUjncm c2yR4o0e/5ZVWn2Eif6nMK7cR1vxck4= 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-337-fjgL6zCbNeaqggc-xefzaw-1; Thu, 16 Jan 2020 08:06:38 -0500 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 6EF05108C254; Thu, 16 Jan 2020 13:06:37 +0000 (UTC) Received: from redhat.com (unknown [10.42.16.105]) by smtp.corp.redhat.com (Postfix) with ESMTPS id A848610016DA; Thu, 16 Jan 2020 13:06:30 +0000 (UTC) Date: Thu, 16 Jan 2020 13:06:28 +0000 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Igor Mammedov Subject: Re: [libvirt] [PATCH v2 82/86] numa: forbid '-numa node, mem' for 5.0 and newer machine types Message-ID: <20200116130628.GG4611@redhat.com> References: <1579100861-73692-1-git-send-email-imammedo@redhat.com> <1579100861-73692-83-git-send-email-imammedo@redhat.com> <20200115153453.GL3243410@angien.pipo.sk> <20200115175237.325055f3@redhat.com> <8b9be103-d550-853a-86ff-1dc504daab64@redhat.com> <20200116133703.11248ead@redhat.com> MIME-Version: 1.0 In-Reply-To: <20200116133703.11248ead@redhat.com> User-Agent: Mutt/1.12.1 (2019-06-15) X-Scanned-By: MIMEDefang 2.84 on 10.5.11.22 X-MC-Unique: fjgL6zCbNeaqggc-xefzaw-1 X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Content-Type: text/plain; charset=utf-8 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 207.211.31.81 X-BeenThere: qemu-arm@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: peter.maydell@linaro.org, Peter Krempa , ehabkost@redhat.com, mst@redhat.com, libvir-list@redhat.com, Michal Privoznik , qemu-devel@nongnu.org, qemu-arm@nongnu.org, qemu-ppc@nongnu.org, pbonzini@redhat.com, david@gibson.dropbear.id.au, rth@twiddle.net Errors-To: qemu-arm-bounces+alex.bennee=linaro.org@nongnu.org Sender: "Qemu-arm" X-TUID: cK5EQjbOkQ22 On Thu, Jan 16, 2020 at 01:37:03PM +0100, Igor Mammedov wrote: > On Thu, 16 Jan 2020 11:42:09 +0100 > Michal Privoznik wrote: >=20 > > On 1/15/20 5:52 PM, Igor Mammedov wrote: > > > On Wed, 15 Jan 2020 16:34:53 +0100 > > > Peter Krempa wrote: > > > =20 > > >> On Wed, Jan 15, 2020 at 16:07:37 +0100, Igor Mammedov wrote: =20 > > >>> Deprecation period is ran out and it's a time to flip the switch > > >>> introduced by cd5ff8333a. > > >>> Disable legacy option for new machine types and amend documentation= . > > >>> > > >>> Signed-off-by: Igor Mammedov > > >>> --- > > >>> CC: peter.maydell@linaro.org > > >>> CC: ehabkost@redhat.com > > >>> CC: marcel.apfelbaum@gmail.com > > >>> CC: mst@redhat.com > > >>> CC: pbonzini@redhat.com > > >>> CC: rth@twiddle.net > > >>> CC: david@gibson.dropbear.id.au > > >>> CC: libvir-list@redhat.com > > >>> CC: qemu-arm@nongnu.org > > >>> CC: qemu-ppc@nongnu.org > > >>> --- > > >>> hw/arm/virt.c | 2 +- > > >>> hw/core/numa.c | 6 ++++++ > > >>> hw/i386/pc.c | 1 - > > >>> hw/i386/pc_piix.c | 1 + > > >>> hw/i386/pc_q35.c | 1 + > > >>> hw/ppc/spapr.c | 2 +- > > >>> qemu-deprecated.texi | 16 ---------------- > > >>> qemu-options.hx | 8 ++++---- > > >>> 8 files changed, 14 insertions(+), 23 deletions(-) =20 > > >> > > >> I'm afraid nobody bothered to fix it yet: > > >> > > >> https://bugzilla.redhat.com/show_bug.cgi?id=3D1783355 =20 > > >=20 > > > It's time to start working on it :) > > > (looks like just deprecating stuff isn't sufficient motivation, > > > maybe actual switch flipping would work out better) > > > =20 > >=20 > > So how was the upgrade from older to newer version resolved? I mean, if= =20 > > the old qemu used -numa node,mem=3DXXX and it is migrated to a host wit= h=20 > > newer qemu, the cmd line can't be switched to -numa node,memdev=3Dnode0= ,=20 > > can it? I'm asking because I've just started working on this. >=20 > see commit cd5ff8333a3c87 for detailed info. > Short answer is it's not really resolved [*], > -numa node,mem will keep working on newer QEMU but only for old machine t= ypes > new machine types will accept only -numa node,memdev. >=20 > One can check if "mem=3D' is supported by using QAPI query-machines > and checking numa-mem-supported field. That field is flipped to false > for 5.0 and later machine types in this patch. Since libvirt droppped the ball here, can we postpone this change to machine types until a later release.=20 Regards, Daniel --=20 |: https://berrange.com -o- https://www.flickr.com/photos/dberrange= :| |: https://libvirt.org -o- https://fstop138.berrange.com= :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange= :|