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=-8.2 required=3.0 tests=FROM_EXCESS_BASE64, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY, SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,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 1C059C48BD5 for ; Tue, 25 Jun 2019 16:35:46 +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 EB943208E3 for ; Tue, 25 Jun 2019 16:35:45 +0000 (UTC) DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org EB943208E3 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]:33930 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hfoQ5-0000WD-9t for qemu-devel@archiver.kernel.org; Tue, 25 Jun 2019 12:35:45 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:43997) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hfo6x-0003ef-Q9 for qemu-devel@nongnu.org; Tue, 25 Jun 2019 12:16:02 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hfo6w-00081c-E7 for qemu-devel@nongnu.org; Tue, 25 Jun 2019 12:15:59 -0400 Received: from mx1.redhat.com ([209.132.183.28]:52420) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hfo6w-0007m4-6J for qemu-devel@nongnu.org; Tue, 25 Jun 2019 12:15:58 -0400 Received: from smtp.corp.redhat.com (int-mx04.intmail.prod.int.phx2.redhat.com [10.5.11.14]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id E6CE7C047B7A for ; Tue, 25 Jun 2019 16:15:38 +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 43F065D9C5; Tue, 25 Jun 2019 16:15:36 +0000 (UTC) Date: Tue, 25 Jun 2019 17:15:33 +0100 From: Daniel =?utf-8?B?UC4gQmVycmFuZ8Op?= To: Eduardo Habkost Message-ID: <20190625161533.GJ3139@redhat.com> References: <20190625050008.12789-1-ehabkost@redhat.com> <20190625050008.12789-4-ehabkost@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline In-Reply-To: <20190625050008.12789-4-ehabkost@redhat.com> User-Agent: Mutt/1.11.4 (2019-03-13) X-Scanned-By: MIMEDefang 2.79 on 10.5.11.14 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.31]); Tue, 25 Jun 2019 16:15:38 +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] [PATCH 3/6] qmp: Add "alias-of" field to query-cpu-definitions 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: qemu-devel@nongnu.org, Markus Armbruster , Igor Mammedov , Jiri Denemark , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" On Tue, Jun 25, 2019 at 02:00:05AM -0300, Eduardo Habkost wrote: > Management software will be expected to resolve CPU model name > aliases using the new field. > > Signed-off-by: Eduardo Habkost > --- > Cc: Eric Blake > Cc: Markus Armbruster > --- > qapi/target.json | 9 ++++++++- > 1 file changed, 8 insertions(+), 1 deletion(-) > > diff --git a/qapi/target.json b/qapi/target.json > index 1d4d54b600..0197c7962c 100644 > --- a/qapi/target.json > +++ b/qapi/target.json > @@ -475,6 +475,12 @@ > # to introspect properties configurable using -cpu or -global. > # (since 2.9) > # > +# @alias-of: Name of CPU model this model is an alias for. The target of the > +# CPU model alias may change depending on the machine type. > +# Management software is supposed to translate CPU model aliases > +# in the VM configuration, because aliases may stop being > +# migration-safe in the future (since 4.1) > +# > # @unavailable-features is a list of QOM property names that > # represent CPU model attributes that prevent the CPU from running. > # If the QOM property is read-only, that means there's no known > @@ -498,7 +504,8 @@ > '*migration-safe': 'bool', > 'static': 'bool', > '*unavailable-features': [ 'str' ], > - 'typename': 'str' }, > + 'typename': 'str', > + '*alias-of' : 'str' }, > 'if': 'defined(TARGET_PPC) || defined(TARGET_ARM) || defined(TARGET_I386) || defined(TARGET_S390X) || defined(TARGET_MIPS)' } IIUC, this means that data for a "Haswell" CPU model will now report "alias-of": "Haswell-NNN" (for some arbitrary NNN which may change at will in any release). Regards, Daniel -- |: 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 :|