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 lists1p.gnu.org (lists1p.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 CF2B0CDE001 for ; Wed, 24 Jun 2026 07:13:45 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wcHm4-00074W-FP; Wed, 24 Jun 2026 03:11:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists1p.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1wcHkB-0005JF-Pq for qemu-devel@nongnu.org; Wed, 24 Jun 2026 03:09:59 -0400 Received: from mail-pj1-x1033.google.com ([2607:f8b0:4864:20::1033]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1wcHkA-00036e-9b for qemu-devel@nongnu.org; Wed, 24 Jun 2026 03:09:55 -0400 Received: by mail-pj1-x1033.google.com with SMTP id 98e67ed59e1d1-37d82f3a244so455098a91.2 for ; Wed, 24 Jun 2026 00:09:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1782284993; x=1782889793; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=Led6dtm27lEqwR8zEWN3ior7m9T5nwFBmwYxnZK8iTw=; b=CfuO5E9t83Xzje+KcR+h4K3ZuTf9YQ8wg9iUpTKcjycbQCMV1yBd9t51oquC7Z1SbP J7/AGboeyM9s2AOkL4DPbThrQLLxlHfX2ry7KYvZjULNyC25WvMM7MMHD+xZiV6HzuJ+ 5jAZo9NIQdskRnd4dDHWbsFauNZGvBaB9zf5iLYxZMcrIvV89F19PVgUJsyI4FuE+RmG xM9fW2PjM67a4TaF5SJ8Lw15j8XJQaHX8A/N/zvETHrcsYwPl8gdSeBYcVXzFqdozuK2 YLPy3kHu3Q2fL7Jlg0lHrXHonrLarp9+axDx2/s1g9SkgmIf4T5OohLPtaOUhAHgWR74 FBEw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1782284993; x=1782889793; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-gg:x-gm-message-state:from :to:cc:subject:date:message-id:reply-to; bh=Led6dtm27lEqwR8zEWN3ior7m9T5nwFBmwYxnZK8iTw=; b=r1UKecNBGOH+qIM7KVmJ27rrQra3ltiJbOInAQ0eLDIe5Aex5t57XlyecVE39TctQU 89XbunE2fHYz+a5oHlP3iA0Kjh84r1qAzn04zAyarAskFgPQYlMGEJo9XhlpNo5Ks6rn KHo80IHYNmGGy9NrsASN5CElgC+OfUOU8uSXyYCFg7NxivKHSHwk9Rz5XokB6aZO7j48 pTnDaF3aYkpcq5Owl0/IeU3W8aQB38U3gyI1dwDsqFdzwE2JNUwtq+O/AkSDPzRouFZH +A+etYYU1AlkTCbKOJaYXDWeEW1emmtJw+ByueupYNe8FouCDODAxOKNj9rA+FLAUS+H MbNA== X-Gm-Message-State: AOJu0Yw4BYkswyYeT7oqLXJKtZWzUzIBCXEf9OVhIosEIea9CcCLvVQA tamqSSi2FnV8hS76tnbEN8iV9uXPdHhFSuQQsW/Mqhs8xP9Elcq+oy0gKtyKhRQmn90= X-Gm-Gg: AfdE7cn9cc8+a7x2bHcbVoxDwjEosTvZej3VxBj/QWuY2rI1d5iTToePyckzR5DUWIp Jb9aHRWEKqa5zOEQc+YjFyrILDlqbuZXnLsqAyp5zmyaJ3++RANND3JM02YOa6Qs7la9WTegVh2 1cEF+Y8knxuHQbrwnysV/zGqG4JACbuipvKRRlmJ+L0DKwP2jC62hbZ0oU2RfMosDZkzrip1Tzm rwFQ9I8HsiOOiZf7GXMqfbCWNVpxUUInANCApiidvxz2HihYFmvT0NZKnrsRP4SZn8EhUzUUQSU +81CUZ5Gs0PmeEXW9EHdOoAW824QiFnHkUI5VjepzjxZBvkFPnd66mV6ciY7jO4AZuntMSLNof1 Q8y7LAeQ1NpE82x5NFMe3GHJ6MSm8+hQySusu/RdyWjIO9GV1sf9O3XC4/kefSUYOrlYYL1pTIo lLoQo85GsvraFH/bWahArsWH/sqPYkloWjT8GMoTm6SD3sOtlv3fr3 X-Received: by 2002:a05:6300:83:b0:39b:89e0:2e37 with SMTP id adf61e73a8af0-3bc51b6c387mr18634900637.14.1782284992793; Wed, 24 Jun 2026 00:09:52 -0700 (PDT) Received: from ZBMac-LWN10QXKQ0.taila0cd24.ts.net ([2408:80e0:41fc:0:fe49::1277]) by smtp.gmail.com with ESMTPSA id 41be03b00d2f7-c8bc2c8e92asm10736569a12.2.2026.06.24.00.09.49 (version=TLS1_3 cipher=TLS_CHACHA20_POLY1305_SHA256 bits=256/256); Wed, 24 Jun 2026 00:09:52 -0700 (PDT) From: Zhang Chen To: qemu-devel , "Dr . David Alan Gilbert" , Eric Blake , Markus Armbruster , "Michael S . Tsirkin" , Stefan Hajnoczi , Paolo Bonzini , Kevin Wolf , Jason Wang , Fam Zheng Cc: Zhang Chen Subject: [PATCH V9 13/17] vfio-user/proxy: Update tracking iothread users with holder name Date: Wed, 24 Jun 2026 15:08:47 +0800 Message-ID: <20260624070851.13342-14-zhangckid@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20260624070851.13342-1-zhangckid@gmail.com> References: <20260624070851.13342-1-zhangckid@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::1033; envelope-from=zhangckid@gmail.com; helo=mail-pj1-x1033.google.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, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, 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: 2.1.29 Precedence: list List-Id: qemu development 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 Add object_ref/unref calls with iothread_get/put_aio_context. Signed-off-by: Zhang Chen --- hw/vfio-user/proxy.c | 16 +++++++++++++++- 1 file changed, 15 insertions(+), 1 deletion(-) diff --git a/hw/vfio-user/proxy.c b/hw/vfio-user/proxy.c index 0f7d8425d6..b4f749f245 100644 --- a/hw/vfio-user/proxy.c +++ b/hw/vfio-user/proxy.c @@ -898,6 +898,7 @@ VFIOUserProxy *vfio_user_connect_dev(SocketAddress *addr, Error **errp) QIOChannelSocket *sioc; QIOChannel *ioc; char *sockname; + g_autofree char *path; if (addr->type != SOCKET_ADDRESS_TYPE_UNIX) { error_setg(errp, "vfio_user_connect - bad address family"); @@ -917,6 +918,11 @@ VFIOUserProxy *vfio_user_connect_dev(SocketAddress *addr, Error **errp) proxy = g_malloc0(sizeof(VFIOUserProxy)); proxy->sockname = g_strdup_printf("unix:%s", sockname); proxy->ioc = ioc; + path = object_get_canonical_path(OBJECT(proxy->ioc)); + IOThreadHolder io_holder = { + .type = IO_THREAD_HOLDER_KIND_QOM_OBJECT, + .u.qom_object.qom_path = (char *)path, + }; /* init defaults */ proxy->max_xfer_size = VFIO_USER_DEF_MAX_XFER; @@ -936,7 +942,8 @@ VFIOUserProxy *vfio_user_connect_dev(SocketAddress *addr, Error **errp) vfio_user_iothread = iothread_create("vfio-user", errp); } - proxy->ctx = iothread_get_aio_context(vfio_user_iothread); + proxy->ctx = iothread_ref_and_get_aio_context(vfio_user_iothread, + &io_holder); proxy->req_bh = qemu_bh_new(vfio_user_request, proxy); QTAILQ_INIT(&proxy->outgoing); @@ -967,6 +974,11 @@ void vfio_user_set_handler(VFIODevice *vbasedev, void vfio_user_disconnect(VFIOUserProxy *proxy) { VFIOUserMsg *r1, *r2; + g_autofree char *path = object_get_canonical_path(OBJECT(proxy->ioc)); + IOThreadHolder io_holder = { + .type = IO_THREAD_HOLDER_KIND_QOM_OBJECT, + .u.qom_object.qom_path = (char *)path, + }; qemu_mutex_lock(&proxy->lock); @@ -1021,6 +1033,8 @@ void vfio_user_disconnect(VFIOUserProxy *proxy) qemu_cond_destroy(&proxy->close_cv); qemu_mutex_destroy(&proxy->lock); + iothread_put_aio_context(vfio_user_iothread, &io_holder); + QLIST_REMOVE(proxy, next); if (QLIST_EMPTY(&vfio_user_sockets)) { iothread_destroy(vfio_user_iothread); -- 2.49.0