From patchwork Mon Nov 13 18:33:50 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Steven Sistare X-Patchwork-Id: 1863334 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@legolas.ozlabs.org Authentication-Results: legolas.ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=oracle.com header.i=@oracle.com header.a=rsa-sha256 header.s=corp-2023-03-30 header.b=f82qkgfb; dkim-atps=neutral Authentication-Results: legolas.ozlabs.org; spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org (client-ip=209.51.188.17; helo=lists.gnu.org; envelope-from=qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org; receiver=patchwork.ozlabs.org) Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher ECDHE-ECDSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by legolas.ozlabs.org (Postfix) with ESMTPS id 4STdPS6l0Gz1yR8 for ; Tue, 14 Nov 2023 05:34:20 +1100 (AEDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1r2blG-0003Ne-5r; Mon, 13 Nov 2023 13:34:14 -0500 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r2blA-0003HP-L2 for qemu-devel@nongnu.org; Mon, 13 Nov 2023 13:34:08 -0500 Received: from mx0b-00069f02.pphosted.com ([205.220.177.32]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1r2bl8-0003Bh-U1 for qemu-devel@nongnu.org; Mon, 13 Nov 2023 13:34:08 -0500 Received: from pps.filterd (m0333520.ppops.net [127.0.0.1]) by mx0b-00069f02.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 3ADHi6Xt017368; Mon, 13 Nov 2023 18:34:06 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=oracle.com; h=from : to : cc : subject : date : message-id : in-reply-to : references; s=corp-2023-03-30; bh=trLkVX2MuDhZfouukG0T49HfQPzvXxSvNnI2I+xo8CE=; b=f82qkgfbuU8DXDUClL4UFjQm7pwY9kSWi9VP5Zcp3ZasdoxyQpeXQBM6cVYKBTMmZJQ9 LpTD7BDeSSsk9Da+sVPpdJOt2vbPTlYiGO+dOl0DfTKw8+mperZ2crC/odlno0/6qbMT mry+Wjpq7X3E1vrfgJBUoQbFLpOXiPFVQi1vohYlOFdZb9kKsYaW+f+dypB6kqfW0SRA 0KfU9blyCWpi+JfByhr0jj1ehlBnm2F5bRDreONZANMtvDenyWy1Y9oK0LVN3tSbS55X 2xc5OtRr+tlV4wcPR9RxezFdoS2PVZUmVQsAbrwbz+zOSrF/lbntSKDO9T/KPj/sGH+z 2A== Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.appoci.oracle.com [130.35.100.223]) by mx0b-00069f02.pphosted.com (PPS) with ESMTPS id 3ua2mdkj9t-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 13 Nov 2023 18:34:05 +0000 Received: from pps.filterd (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (8.17.1.19/8.17.1.19) with ESMTP id 3ADII4Zn004746; Mon, 13 Nov 2023 18:34:05 GMT Received: from pps.reinject (localhost [127.0.0.1]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTPS id 3ub5k23k2s-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=OK); Mon, 13 Nov 2023 18:34:05 +0000 Received: from iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com [127.0.0.1]) by pps.reinject (8.17.1.5/8.17.1.5) with ESMTP id 3ADIY2JW026498; Mon, 13 Nov 2023 18:34:04 GMT Received: from ca-dev63.us.oracle.com (ca-dev63.us.oracle.com [10.211.8.221]) by iadpaimrmta01.imrmtpd1.prodappiadaev1.oraclevcn.com (PPS) with ESMTP id 3ub5k23k09-3; Mon, 13 Nov 2023 18:34:04 +0000 From: Steve Sistare To: qemu-devel@nongnu.org Cc: Juan Quintela , Peter Xu , Paolo Bonzini , Thomas Huth , =?utf-8?q?Daniel_P=2E_Berrang=C3=A9?= , Fabiano Rosas , Leonardo Bras , Steve Sistare Subject: [PATCH V5 02/12] cpus: stop vm in suspended state Date: Mon, 13 Nov 2023 10:33:50 -0800 Message-Id: <1699900440-207345-3-git-send-email-steven.sistare@oracle.com> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1699900440-207345-1-git-send-email-steven.sistare@oracle.com> References: <1699900440-207345-1-git-send-email-steven.sistare@oracle.com> X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.987,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-11-13_09,2023-11-09_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=notspam policy=default score=0 adultscore=0 mlxlogscore=999 spamscore=0 suspectscore=0 phishscore=0 bulkscore=0 malwarescore=0 mlxscore=0 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2311060000 definitions=main-2311130151 X-Proofpoint-GUID: _0o81syBDORKOdkznScNeH8RrrLhoyol X-Proofpoint-ORIG-GUID: _0o81syBDORKOdkznScNeH8RrrLhoyol Received-SPF: pass client-ip=205.220.177.32; envelope-from=steven.sistare@oracle.com; helo=mx0b-00069f02.pphosted.com X-Spam_score_int: -27 X-Spam_score: -2.8 X-Spam_bar: -- X-Spam_report: (-2.8 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_MED=-0.001, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, RCVD_IN_DNSWL_LOW=-0.7, RCVD_IN_MSPIKE_H5=0.001, RCVD_IN_MSPIKE_WL=0.001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001, T_SCC_BODY_TEXT_LINE=-0.01 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org A vm in the suspended state is not completely stopped. The VCPUs have been paused, but the cpu clock still runs, and runstate notifiers for the transition to stopped have not been called. Modify vm_stop_force_state to completely stop the vm if the current state is suspended, to be called for live migration and snapshots. Suggested-by: Peter Xu Signed-off-by: Steve Sistare --- system/cpus.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/system/cpus.c b/system/cpus.c index f72c4be..c772708 100644 --- a/system/cpus.c +++ b/system/cpus.c @@ -255,6 +255,8 @@ void cpu_interrupt(CPUState *cpu, int mask) static int do_vm_stop(RunState state, bool send_stop, bool force) { int ret = 0; + bool running = runstate_is_running(); + bool suspended = runstate_check(RUN_STATE_SUSPENDED); if (qemu_in_vcpu_thread()) { qemu_system_vmstop_request_prepare(); @@ -267,10 +269,12 @@ static int do_vm_stop(RunState state, bool send_stop, bool force) return 0; } - if (runstate_is_running()) { + if (running || (suspended && force)) { runstate_set(state); cpu_disable_ticks(); - pause_all_vcpus(); + if (running) { + pause_all_vcpus(); + } vm_state_notify(0, state); if (send_stop) { qapi_event_send_stop();