From patchwork Tue Sep 25 08:15:05 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wolfgang Bumiller X-Patchwork-Id: 974289 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=none (p=none dis=none) header.from=proxmox.com Received: from lists.gnu.org (lists.gnu.org [IPv6:2001:4830:134:3::11]) (using TLSv1 with cipher DHE-RSA-AES256-SHA (256/256 bits)) (No client certificate requested) by ozlabs.org (Postfix) with ESMTPS id 42KDRQ2NV4z9s9G for ; Tue, 25 Sep 2018 18:16:00 +1000 (AEST) Received: from localhost ([::1]:51579 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g4iVg-0005F6-V3 for incoming@patchwork.ozlabs.org; Tue, 25 Sep 2018 04:15:56 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:37469) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1g4iV6-0005DY-Hj for qemu-devel@nongnu.org; Tue, 25 Sep 2018 04:15:21 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1g4iV3-0007yu-7y for qemu-devel@nongnu.org; Tue, 25 Sep 2018 04:15:20 -0400 Received: from proxmox-new.maurer-it.com ([212.186.127.180]:21652) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1g4iV2-0007sc-Ro for qemu-devel@nongnu.org; Tue, 25 Sep 2018 04:15:17 -0400 Received: from proxmox-new.maurer-it.com (localhost.localdomain [127.0.0.1]) by proxmox-new.maurer-it.com (Proxmox) with ESMTP id CB6544244A; Tue, 25 Sep 2018 10:15:08 +0200 (CEST) From: Wolfgang Bumiller To: qemu-devel@nongnu.org Date: Tue, 25 Sep 2018 10:15:05 +0200 Message-Id: <20180925081507.11873-1-w.bumiller@proxmox.com> X-Mailer: git-send-email 2.11.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 212.186.127.180 Subject: [Qemu-devel] [PATCH rebased 0/2] delay monitor iothread creation 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: Markus Armbruster , Peter Xu , "Dr. David Alan Gilbert" Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: "Qemu-devel" The early monitor iothread creation conflicts with the -daemonize option causing crashes at shutdown of a daemonized qemu instance. These patches will delay the creation to when a monitor using it is actually spawned, which AFAICT only happens after the os_daemonize() call. While the second patch depends on the first one, the first is a consistency cleanup on its own, therefore split out. Wolfgang Bumiller (2): monitor: guard iothread access by mon->use_io_thread monitor: delay monitor iothread creation monitor.c | 37 ++++++++++++++++++++++--------------- 1 file changed, 22 insertions(+), 15 deletions(-)