From patchwork Thu Jul 12 19:45:19 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Eduardo Habkost X-Patchwork-Id: 943205 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Authentication-Results: ozlabs.org; spf=pass (mailfrom) smtp.mailfrom=nongnu.org (client-ip=2001:4830:134:3::11; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=) Authentication-Results: ozlabs.org; dmarc=fail (p=none dis=none) header.from=redhat.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 41RRJP2vxDz9ryt for ; Fri, 13 Jul 2018 05:46:12 +1000 (AEST) Received: from localhost ([::1]:33752 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fdhXW-00088b-8a for incoming@patchwork.ozlabs.org; Thu, 12 Jul 2018 15:46:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:47759) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1fdhWx-00088T-R4 for qemu-devel@nongnu.org; Thu, 12 Jul 2018 15:45:36 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1fdhWu-0001HT-IO for qemu-devel@nongnu.org; Thu, 12 Jul 2018 15:45:35 -0400 Received: from mx1.redhat.com ([209.132.183.28]:47076) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1fdhWu-0001EP-Bb for qemu-devel@nongnu.org; Thu, 12 Jul 2018 15:45:32 -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 C0B3E308A975; Thu, 12 Jul 2018 19:45:30 +0000 (UTC) Received: from localhost (ovpn-116-12.gru2.redhat.com [10.97.116.12]) by smtp.corp.redhat.com (Postfix) with ESMTP id 2BDF45DA2A; Thu, 12 Jul 2018 19:45:23 +0000 (UTC) From: Eduardo Habkost To: qemu-devel@nongnu.org Date: Thu, 12 Jul 2018 16:45:19 -0300 Message-Id: <20180712194522.31063-1-ehabkost@redhat.com> 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 [10.5.110.41]); Thu, 12 Jul 2018 19:45:30 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] [fuzzy] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [RFC 0/3] qom/qdev: Try to clarify ownership rules X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Peter Maydell , Thomas Huth , "Michael S. Tsirkin" , Markus Armbruster , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , Paolo Bonzini Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The ownership rules of some QOM and qdev functions are not very clear. Some of the rules are not trivial because they depend on other arguments or flags specified when a property was created. This is an attempt to clarify the existing ownership rules of those functions to avoid confusion in the future. Eduardo Habkost (3): qom: Document reference count ownership rules qdev: Document ownership rules of qbus_create*() pci: Document ownership rules of pci_root_bus_new*() include/hw/pci/pci.h | 15 +++++++++ include/hw/qdev-core.h | 24 ++++++++++++++ include/qom/object.h | 73 ++++++++++++++++++++++++------------------ hw/core/bus.c | 5 +++ 4 files changed, 86 insertions(+), 31 deletions(-)