From patchwork Tue Oct 27 18:21:43 2020 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Paolo Bonzini X-Patchwork-Id: 301774 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=-9.9 required=3.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH, MAILING_LIST_MULTI, SIGNED_OFF_BY, SPF_HELO_NONE, SPF_PASS 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 4A93BC55178 for ; Tue, 27 Oct 2020 18:50:09 +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 A02F9207C4 for ; Tue, 27 Oct 2020 18:50:08 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="PKeGZJWf" DMARC-Filter: OpenDMARC Filter v1.3.2 mail.kernel.org A02F9207C4 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]:42326 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1kXU2p-0003Wm-Of for qemu-devel@archiver.kernel.org; Tue, 27 Oct 2020 14:50:07 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:58124) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1kXTc1-0004O6-7j for qemu-devel@nongnu.org; Tue, 27 Oct 2020 14:22:25 -0400 Received: from us-smtp-delivery-124.mimecast.com ([63.128.21.124]:45597) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_CBC_SHA1:256) (Exim 4.90_1) (envelope-from ) id 1kXTbr-00033a-7P for qemu-devel@nongnu.org; Tue, 27 Oct 2020 14:22:24 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1603822932; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=NcQAwHF4xrWR9YT4+6Z4jO4463/XBqIyWpwhqOkwaAg=; b=PKeGZJWfK8RZ0fxdGvF8Ca8uTu/BvH/zjAEdvb+hXXvXRiyQ1U5SyrxlFDOTwS2FGIpEA/ g3w5SWZTRcaOK6msHfvKFmM1rOn6i4FLx/CgJ9VjQyv8mJNnfl86cCcXWS2vzUBNZ3UNXi DvC39CkA0LmTM62BZa3kwBitHmIGNNI= 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-414-YXgU8CDaP5Wsa2ZzKBdY9w-1; Tue, 27 Oct 2020 14:22:09 -0400 X-MC-Unique: YXgU8CDaP5Wsa2ZzKBdY9w-1 Received: from smtp.corp.redhat.com (int-mx01.intmail.prod.int.phx2.redhat.com [10.5.11.11]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mimecast-mx01.redhat.com (Postfix) with ESMTPS id BF1C2EC1A0 for ; Tue, 27 Oct 2020 18:21:55 +0000 (UTC) Received: from virtlab701.virt.lab.eng.bos.redhat.com (virtlab701.virt.lab.eng.bos.redhat.com [10.19.152.228]) by smtp.corp.redhat.com (Postfix) with ESMTP id 8A9A750B44 for ; Tue, 27 Oct 2020 18:21:55 +0000 (UTC) From: Paolo Bonzini To: qemu-devel@nongnu.org Subject: [PATCH 28/29] vl: remove separate preconfig main_loop Date: Tue, 27 Oct 2020 14:21:43 -0400 Message-Id: <20201027182144.3315885-29-pbonzini@redhat.com> In-Reply-To: <20201027182144.3315885-1-pbonzini@redhat.com> References: <20201027182144.3315885-1-pbonzini@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 2.79 on 10.5.11.11 Authentication-Results: relay.mimecast.com; auth=pass smtp.auth=CUSA124A263 smtp.mailfrom=pbonzini@redhat.com X-Mimecast-Spam-Score: 0 X-Mimecast-Originator: redhat.com Received-SPF: pass client-ip=63.128.21.124; envelope-from=pbonzini@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-detected-operating-system: by eggs.gnu.org: First seen = 2020/10/27 01:06:07 X-ACL-Warn: Detected OS = Linux 2.2.x-3.x [generic] [fuzzy] X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action 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: , Errors-To: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Move post-preconfig initialization to the x-exit-preconfig. If preconfig is not requested, just exit preconfig mode immediately with the QMP command. As a result, the preconfig loop will run with accel_setup_post and os_setup_post restrictions (xen_restrict, chroot, etc.) already done. Signed-off-by: Paolo Bonzini --- include/sysemu/runstate.h | 1 - monitor/qmp-cmds.c | 9 ---- softmmu/vl.c | 94 +++++++++++++++++---------------------- 3 files changed, 41 insertions(+), 63 deletions(-) diff --git a/include/sysemu/runstate.h b/include/sysemu/runstate.h index f760094858..e557f470d4 100644 --- a/include/sysemu/runstate.h +++ b/include/sysemu/runstate.h @@ -41,7 +41,6 @@ typedef enum WakeupReason { QEMU_WAKEUP_REASON_OTHER, } WakeupReason; -void qemu_exit_preconfig_request(void); void qemu_system_reset_request(ShutdownCause reason); void qemu_system_suspend_request(void); void qemu_register_suspend_notifier(Notifier *notifier); diff --git a/monitor/qmp-cmds.c b/monitor/qmp-cmds.c index 7c10b182e4..6680ba6c66 100644 --- a/monitor/qmp-cmds.c +++ b/monitor/qmp-cmds.c @@ -102,15 +102,6 @@ void qmp_system_powerdown(Error **errp) qemu_system_powerdown_request(); } -void qmp_x_exit_preconfig(Error **errp) -{ - if (qdev_hotplug) { - error_setg(errp, "The command is permitted only before machine initialization"); - return; - } - qemu_exit_preconfig_request(); -} - void qmp_cont(Error **errp) { BlockBackend *blk; diff --git a/softmmu/vl.c b/softmmu/vl.c index 68acd24d01..98666c0612 100644 --- a/softmmu/vl.c +++ b/softmmu/vl.c @@ -1313,7 +1313,6 @@ static pid_t shutdown_pid; static int powerdown_requested; static int debug_requested; static int suspend_requested; -static bool preconfig_exit_requested = true; static WakeupReason wakeup_reason; static NotifierList powerdown_notifiers = NOTIFIER_LIST_INITIALIZER(powerdown_notifiers); @@ -1400,11 +1399,6 @@ static int qemu_debug_requested(void) return r; } -void qemu_exit_preconfig_request(void) -{ - preconfig_exit_requested = true; -} - /* * Reset the VM. Issue an event unless @reason is SHUTDOWN_CAUSE_NONE. */ @@ -1626,10 +1620,6 @@ static bool main_loop_should_exit(void) RunState r; ShutdownCause request; - if (preconfig_exit_requested) { - preconfig_exit_requested = false; - return true; - } if (qemu_debug_requested()) { vm_stop(RUN_STATE_DEBUG); } @@ -3523,6 +3513,43 @@ static void qemu_machine_creation_done(void) register_global_state(); } +void qmp_x_exit_preconfig(Error **errp) +{ + if (qdev_hotplug) { + error_setg(errp, "The command is permitted only before machine initialization"); + return; + } + + qemu_finish_machine_init(); + qemu_create_cli_devices(); + qemu_machine_creation_done(); + + if (loadvm) { + Error *local_err = NULL; + if (load_snapshot(loadvm, &local_err) < 0) { + error_report_err(local_err); + autostart = 0; + exit(1); + } + } + if (replay_mode != REPLAY_MODE_NONE) { + replay_vmstate_init(); + } + + if (incoming) { + Error *local_err = NULL; + if (strcmp(incoming, "defer") != 0) { + qmp_migrate_incoming(incoming, &local_err); + if (local_err) { + error_reportf_err(local_err, "-incoming %s: ", incoming); + exit(1); + } + } + } else if (autostart) { + qmp_cont(NULL); + } +} + void qemu_init(int argc, char **argv, char **envp) { QemuOpts *opts; @@ -4092,7 +4119,6 @@ void qemu_init(int argc, char **argv, char **envp) } break; case QEMU_OPTION_preconfig: - preconfig_exit_requested = false; preconfig_requested = true; break; case QEMU_OPTION_enable_kvm: @@ -4515,56 +4541,18 @@ void qemu_init(int argc, char **argv, char **envp) qemu_resolve_machine_memdev(); parse_numa_opts(current_machine); - if (preconfig_requested) { - qemu_init_displays(); - } - - /* do monitor/qmp handling at preconfig state if requested */ - qemu_main_loop(); - qemu_finish_machine_init(); - - qemu_create_cli_devices(); - - /* initialize displays after all errors have been reported */ - if (!preconfig_requested) { - qemu_init_displays(); - } - qemu_machine_creation_done(); - - if (loadvm) { - Error *local_err = NULL; - if (load_snapshot(loadvm, &local_err) < 0) { - error_report_err(local_err); - autostart = 0; - exit(1); - } - } - if (replay_mode != REPLAY_MODE_NONE) { - replay_vmstate_init(); - } - if (vmstate_dump_file) { /* dump and exit */ dump_vmstate_json_to_file(vmstate_dump_file); exit(0); } - if (incoming) { - Error *local_err = NULL; - if (strcmp(incoming, "defer") != 0) { - qmp_migrate_incoming(incoming, &local_err); - if (local_err) { - error_reportf_err(local_err, "-incoming %s: ", incoming); - exit(1); - } - } - } else if (autostart) { - qmp_cont(NULL); - } + if (!preconfig_requested) { + qmp_x_exit_preconfig(&error_fatal); + } + qemu_init_displays(); accel_setup_post(current_machine); os_setup_post(); - - return; } void qemu_cleanup(void)