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 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 smtp.lore.kernel.org (Postfix) with ESMTPS id 67F98CCF9F8 for ; Mon, 3 Nov 2025 18:35:44 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1vFzNc-00066O-A8; Mon, 03 Nov 2025 13:34:12 -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 1vFzNa-000666-Gg for qemu-devel@nongnu.org; Mon, 03 Nov 2025 13:34:11 -0500 Received: from us-smtp-delivery-124.mimecast.com ([170.10.129.124]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1vFzNP-00077l-PX for qemu-devel@nongnu.org; Mon, 03 Nov 2025 13:34:10 -0500 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1762194835; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=CWk9uithZtSX14pfAQlE3GNVT9zUP4frfhot39QuP/w=; b=FibArQ8YDoYwr53VhtfJl1DR8MmrfSI/gkTt9weKjdVgUT9f8+cTs66zG3ty1BFKOOycPu As5hphxrN+jg1D6QR/ea/eBdyKfBBCtJw7AM+7plUcQj0IBsM0drC4DNjvyYl2dKxhv5Mz bjjQVL08Dmp7qMbV6qH1pxu2G0pDPMw= Received: from mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-659-nvGazUQhNBuZS3qME8uvgw-1; Mon, 03 Nov 2025 13:33:52 -0500 X-MC-Unique: nvGazUQhNBuZS3qME8uvgw-1 X-Mimecast-MFC-AGG-ID: nvGazUQhNBuZS3qME8uvgw_1762194831 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-08.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 7A830183451C; Mon, 3 Nov 2025 18:33:32 +0000 (UTC) Received: from fedora.redhat.com (unknown [10.44.32.249]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 4549E180058A; Mon, 3 Nov 2025 18:33:29 +0000 (UTC) From: Juraj Marcin To: qemu-devel@nongnu.org Cc: Juraj Marcin , "Dr. David Alan Gilbert" , Fabiano Rosas , Peter Xu , Jiri Denemark Subject: [PATCH v4 7/8] migration: Make postcopy listen thread joinable Date: Mon, 3 Nov 2025 19:32:56 +0100 Message-ID: <20251103183301.3840862-8-jmarcin@redhat.com> In-Reply-To: <20251103183301.3840862-1-jmarcin@redhat.com> References: <20251103183301.3840862-1-jmarcin@redhat.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 Received-SPF: pass client-ip=170.10.129.124; envelope-from=jmarcin@redhat.com; helo=us-smtp-delivery-124.mimecast.com 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_H3=0.001, RCVD_IN_MSPIKE_WL=0.001, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, SPF_HELO_PASS=-0.001, T_SPF_TEMPERROR=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+qemu-devel=archiver.kernel.org@nongnu.org Sender: qemu-devel-bounces+qemu-devel=archiver.kernel.org@nongnu.org From: Juraj Marcin This patch makes the listen thread joinable instead detached, and joins it alongside other postcopy threads. Signed-off-by: Juraj Marcin Reviewed-by: Peter Xu --- migration/postcopy-ram.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/migration/postcopy-ram.c b/migration/postcopy-ram.c index 91431f02a4..8405cce7b4 100644 --- a/migration/postcopy-ram.c +++ b/migration/postcopy-ram.c @@ -2181,7 +2181,6 @@ static void *postcopy_listen_thread(void *opaque) out: rcu_unregister_thread(); - mis->have_listen_thread = false; postcopy_state_set(POSTCOPY_INCOMING_END); migration_bh_schedule(postcopy_listen_thread_bh, NULL); @@ -2215,7 +2214,7 @@ int postcopy_incoming_setup(MigrationIncomingState *mis, Error **errp) mis->have_listen_thread = true; postcopy_thread_create(mis, &mis->listen_thread, MIGRATION_THREAD_DST_LISTEN, - postcopy_listen_thread, QEMU_THREAD_DETACHED); + postcopy_listen_thread, QEMU_THREAD_JOINABLE); return 0; } @@ -2224,6 +2223,11 @@ int postcopy_incoming_cleanup(MigrationIncomingState *mis) { int rc = 0; + if (mis->have_listen_thread) { + qemu_thread_join(&mis->listen_thread); + mis->have_listen_thread = false; + } + if (migrate_postcopy_ram()) { rc = postcopy_ram_incoming_cleanup(mis); } -- 2.51.0