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 5B464C5DF97 for ; Sat, 22 Aug 2026 21:35:31 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists1p.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1wxtMZ-0003xp-UC; Sat, 22 Aug 2026 17:34:51 -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 1wxtMV-0003rn-8A for qemu-devel@nongnu.org; Sat, 22 Aug 2026 17:34:47 -0400 Received: from mail-pl1-x634.google.com ([2607:f8b0:4864:20::634]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1wxtMS-0000lA-Uo for qemu-devel@nongnu.org; Sat, 22 Aug 2026 17:34:46 -0400 Received: by mail-pl1-x634.google.com with SMTP id d9443c01a7336-2cc61541f8cso34952435ad.0 for ; Sat, 22 Aug 2026 14:34:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20251104; t=1787434483; x=1788039283; 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:content-type; bh=qiABzT9brkBXTSb3Fx2nSHH2TcbG/h2o76wYEP9lGD4=; b=qmw6cKPnIGV+wAOirKt0Dw69EYq1I+tk0cyYPw/svYQcsiPukh2T91GnyVvu8+uwr+ muBMXTxCT87wPVKueK3SlQJ6uA6rVgGYUNYLb3EcPU6qRThA9fpxdI/IW9N4Hp6LfJsG 9VIOxErvX9W6z61IixZrrFDVsm56XYqiMT7gQyoB/IQOKecV+5L6ELM0Gq7cq72bU0du vPQGmKuO2mYy4lc/lTpuH6jJuZARXiLUJiGKzgh6JZkXumbbpr2rMrarJVf3UA4iV4Zt pDzYtJ5KJsPK/1cuf1opLdRX1Q0IGxXPbn6oslPxElY/ZNmkNnF/rL+vD26b6gaG/Otc v7gg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20251104; t=1787434483; x=1788039283; 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:content-type; bh=qiABzT9brkBXTSb3Fx2nSHH2TcbG/h2o76wYEP9lGD4=; b=LNUUfXziXYGXiPBSBVh9gTWUye3dASPcPxV6+EsxPO1dyssK2pyXPcG06xlUJ3JdnR rK0Fqnlt5DTkkVt2Mmbj7+Pmo4ev+ARbpO35cY4bV8YOSXZyTzFwUD8eYFH6as1Oe6Ij O9waTA0F89/KHGKQwwvv5v5xVFCt98b4zrFYs54GYg77jDLmWYnvvmSlhJM0TcN2czw3 FM9vXsmCdp83lw6SPMV+fk7o4zkcK0Bhi3I0/yuVyLnLqUxEKPdFQFhPSxvYka5HP3AG LcUkyKMV/jsmb7YiBKokjpT4Rb7MSIl0V0ERJSD5VtrIei1JUMdixYZTxBCpdSQTHSoV 3IBQ== X-Gm-Message-State: AFuF++lqnoGcyEdtlCNiy+q2xMkaflvnFqYDjSgVaJn+Sf1TjXvqb6oB VjAka35O2Biqp85iWVvGnYtobodhcOKjYhTIhPxpwamz/OkO4ASVv/YBUmH3wwLk7bo1DrSt X-Gm-Gg: AR+sD132jGf6bETGCBJSvKb89+3YD09VrGSKpL+m+CUr4ryKcP2moAHFqLFC1jQ90Mm G/V4Dqm3i6zhIS12skV0miM6U8qnHdYD9M4C9N6RBfoJEh1UBOvDBC77XXC+RY3MO6T6guMLqvU sJNoZsEDtyJj8Qv94TJ0nLaZNLSjwChIpO7WVvk2rtPpaDR+TeoFuEdWhuHpNZH78zzRd1FLMHV PqtbRi0GdkWA55QdqvzmzIcOd6JvEnauAFISHlL5b7sYbI137tZsJOO8KSXoEasWomgtatGLw0f inSnTniO+N1uggaJLOzPsplccBl3rk0U70YdDVUzOix355voWFYlYD9+cebfD6jX4vw9XLOCaRi fJYP/+pVyfLPAQ/+7MpSGP9cjlLpmpgTJyOmf+rLdggNOpvaIeAzqYut1OVgXMtC7qmglLr9gk+ OwT+BaxbqSnRcvvnlvs8An8/bqnHLE7m2CKD1X4R8u/5rvlCxviIz4H9Thc1nX8UE+e1FJazc+v x1Ih/ei X-Received: by 2002:a17:902:ef47:b0:2d0:401c:2edc with SMTP id d9443c01a7336-2d61a032207mr289465385ad.1.1787434483380; Sat, 22 Aug 2026 14:34:43 -0700 (PDT) Received: from catgo-fnos.taila0cd24.ts.net ([104.28.201.73]) by smtp.gmail.com with ESMTPSA id 5a478bee46e88-327f909c6c9sm11633181eec.6.2026.08.22.14.34.40 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Sat, 22 Aug 2026 14:34:42 -0700 (PDT) From: Zhang Chen To: qemu-devel , Eric Blake , Markus Armbruster , "'Michael S . Tsirkin'" , Stefan Hajnoczi , Paolo Bonzini , =?UTF-8?q?=27Daniel=20P=20=2E=20Berrang=C3=A9=27?= , Jason Wang Cc: Zhang Chen Subject: [PATCH V13 11/15] vfio-user/proxy: Update tracking iothread users with holder name Date: Sun, 23 Aug 2026 05:33:34 +0800 Message-ID: <20260822213343.661939-12-zhangckid@gmail.com> X-Mailer: git-send-email 2.55.0 In-Reply-To: <20260822213343.661939-1-zhangckid@gmail.com> References: <20260822213343.661939-1-zhangckid@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::634; envelope-from=zhangckid@gmail.com; helo=mail-pl1-x634.google.com X-Spam_score_int: 26 X-Spam_score: 2.6 X-Spam_bar: ++ X-Spam_report: (2.6 / 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_BL_SPAMCOP_NET=1.347, RCVD_IN_DNSWL_NONE=-0.0001, RCVD_IN_SBL_CSS=3.335, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=no 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_ref_and_get/unref_and_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 197aee07bf..e642fb0ad3 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 = NULL; 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)); + const IOThreadHolder io_holder = { + .type = IO_THREAD_HOLDER_KIND_QOM_OBJECT, + .u.qom_object.qom_path = 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)); + const IOThreadHolder io_holder = { + .type = IO_THREAD_HOLDER_KIND_QOM_OBJECT, + .u.qom_object.qom_path = 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_unref_and_put_aio_context(vfio_user_iothread, &io_holder); + QLIST_REMOVE(proxy, next); if (QLIST_EMPTY(&vfio_user_sockets)) { iothread_destroy(vfio_user_iothread); -- 2.55.0