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David Alan Gilbert" , Eric Blake , Markus Armbruster , "Michael S . Tsirkin" , Stefan Hajnoczi Cc: Zhang Chen Subject: [PATCH V7 11/14] vfio-user/proxy: Update tracking iothread users with holder name Date: Mon, 11 May 2026 22:04:13 +0800 Message-ID: <20260511140416.28271-12-zhangckid@gmail.com> X-Mailer: git-send-email 2.49.0 In-Reply-To: <20260511140416.28271-1-zhangckid@gmail.com> References: <20260511140416.28271-1-zhangckid@gmail.com> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2607:f8b0:4864:20::531; envelope-from=zhangckid@gmail.com; helo=mail-pg1-x531.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 | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/hw/vfio-user/proxy.c b/hw/vfio-user/proxy.c index 314dfd23d8..eebe202c4a 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 +918,7 @@ 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)); /* init defaults */ proxy->max_xfer_size = VFIO_USER_DEF_MAX_XFER; @@ -936,7 +938,7 @@ 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, path); proxy->req_bh = qemu_bh_new(vfio_user_request, proxy); QTAILQ_INIT(&proxy->outgoing); @@ -967,6 +969,7 @@ 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)); qemu_mutex_lock(&proxy->lock); @@ -1021,6 +1024,8 @@ void vfio_user_disconnect(VFIOUserProxy *proxy) qemu_cond_destroy(&proxy->close_cv); qemu_mutex_destroy(&proxy->lock); + iothread_put_aio_context(vfio_user_iothread, path); + QLIST_REMOVE(proxy, next); if (QLIST_EMPTY(&vfio_user_sockets)) { iothread_destroy(vfio_user_iothread); -- 2.49.0