{"id":2222000,"url":"http://patchwork.ozlabs.org/api/1.1/patches/2222000/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410150457.85190-12-zhangckid@gmail.com/","project":{"id":14,"url":"http://patchwork.ozlabs.org/api/1.1/projects/14/?format=json","name":"QEMU Development","link_name":"qemu-devel","list_id":"qemu-devel.nongnu.org","list_email":"qemu-devel@nongnu.org","web_url":"","scm_url":"","webscm_url":""},"msgid":"<20260410150457.85190-12-zhangckid@gmail.com>","date":"2026-04-10T15:04:54","name":"[V6,11/14] vfio-user/proxy: Update tracking iothread users with holder name","commit_ref":null,"pull_url":null,"state":"new","archived":false,"hash":"3ddc45e5b2aff0e81bbc7cbafdce0ea39b2cc6d4","submitter":{"id":72278,"url":"http://patchwork.ozlabs.org/api/1.1/people/72278/?format=json","name":"Zhang Chen","email":"zhangckid@gmail.com"},"delegate":null,"mbox":"http://patchwork.ozlabs.org/project/qemu-devel/patch/20260410150457.85190-12-zhangckid@gmail.com/mbox/","series":[{"id":499477,"url":"http://patchwork.ozlabs.org/api/1.1/series/499477/?format=json","web_url":"http://patchwork.ozlabs.org/project/qemu-devel/list/?series=499477","date":"2026-04-10T15:04:43","name":"iothread: Support tracking and querying IOThread holders","version":6,"mbox":"http://patchwork.ozlabs.org/series/499477/mbox/"}],"comments":"http://patchwork.ozlabs.org/api/patches/2222000/comments/","check":"pending","checks":"http://patchwork.ozlabs.org/api/patches/2222000/checks/","tags":{},"headers":{"Return-Path":"","X-Original-To":"incoming@patchwork.ozlabs.org","Delivered-To":"patchwork-incoming@legolas.ozlabs.org","Authentication-Results":["legolas.ozlabs.org;\n\tdkim=pass (2048-bit key;\n unprotected) header.d=gmail.com header.i=@gmail.com header.a=rsa-sha256\n header.s=20251104 header.b=NAx1VusI;\n\tdkim-atps=neutral","legolas.ozlabs.org;\n spf=pass (sender SPF authorized) smtp.mailfrom=nongnu.org\n (client-ip=209.51.188.17; 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David Alan Gilbert\" ,\n Eric Blake , Markus Armbruster ,\n \"Michael S . Tsirkin\" ,\n Stefan Hajnoczi ","Cc":"Zhang Chen ","Subject":"[PATCH V6 11/14] vfio-user/proxy: Update tracking iothread users with\n holder name","Date":"Fri, 10 Apr 2026 23:04:54 +0800","Message-ID":"<20260410150457.85190-12-zhangckid@gmail.com>","X-Mailer":"git-send-email 2.49.0","In-Reply-To":"<20260410150457.85190-1-zhangckid@gmail.com>","References":"<20260410150457.85190-1-zhangckid@gmail.com>","MIME-Version":"1.0","Content-Transfer-Encoding":"8bit","Received-SPF":"pass client-ip=2607:f8b0:4864:20::102a;\n envelope-from=zhangckid@gmail.com; helo=mail-pj1-x102a.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,\n DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_FROM=0.001,\n RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001,\n 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":",\n ","List-Archive":"","List-Post":"","List-Help":"","List-Subscribe":",\n ","Errors-To":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org","Sender":"qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org"},"content":"Add object_ref/unref calls with iothread_get/put_aio_context.\n\nSigned-off-by: Zhang Chen \n---\n hw/vfio-user/proxy.c | 7 ++++++-\n 1 file changed, 6 insertions(+), 1 deletion(-)","diff":"diff --git a/hw/vfio-user/proxy.c b/hw/vfio-user/proxy.c\nindex 314dfd23d8..eebe202c4a 100644\n--- a/hw/vfio-user/proxy.c\n+++ b/hw/vfio-user/proxy.c\n@@ -898,6 +898,7 @@ VFIOUserProxy *vfio_user_connect_dev(SocketAddress *addr, Error **errp)\n QIOChannelSocket *sioc;\n QIOChannel *ioc;\n char *sockname;\n+ g_autofree char *path;\n \n if (addr->type != SOCKET_ADDRESS_TYPE_UNIX) {\n error_setg(errp, \"vfio_user_connect - bad address family\");\n@@ -917,6 +918,7 @@ VFIOUserProxy *vfio_user_connect_dev(SocketAddress *addr, Error **errp)\n proxy = g_malloc0(sizeof(VFIOUserProxy));\n proxy->sockname = g_strdup_printf(\"unix:%s\", sockname);\n proxy->ioc = ioc;\n+ path = object_get_canonical_path(OBJECT(proxy->ioc));\n \n /* init defaults */\n proxy->max_xfer_size = VFIO_USER_DEF_MAX_XFER;\n@@ -936,7 +938,7 @@ VFIOUserProxy *vfio_user_connect_dev(SocketAddress *addr, Error **errp)\n vfio_user_iothread = iothread_create(\"VFIO user\", errp);\n }\n \n- proxy->ctx = iothread_get_aio_context(vfio_user_iothread);\n+ proxy->ctx = iothread_ref_and_get_aio_context(vfio_user_iothread, path);\n proxy->req_bh = qemu_bh_new(vfio_user_request, proxy);\n \n QTAILQ_INIT(&proxy->outgoing);\n@@ -967,6 +969,7 @@ void vfio_user_set_handler(VFIODevice *vbasedev,\n void vfio_user_disconnect(VFIOUserProxy *proxy)\n {\n VFIOUserMsg *r1, *r2;\n+ g_autofree char *path = object_get_canonical_path(OBJECT(proxy->ioc));\n \n qemu_mutex_lock(&proxy->lock);\n \n@@ -1021,6 +1024,8 @@ void vfio_user_disconnect(VFIOUserProxy *proxy)\n qemu_cond_destroy(&proxy->close_cv);\n qemu_mutex_destroy(&proxy->lock);\n \n+ iothread_put_aio_context(vfio_user_iothread, path);\n+\n QLIST_REMOVE(proxy, next);\n if (QLIST_EMPTY(&vfio_user_sockets)) {\n iothread_destroy(vfio_user_iothread);\n","prefixes":["V6","11/14"]}