From patchwork Tue Oct 8 12:50:14 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 8bit X-Patchwork-Submitter: =?utf-8?q?Marc-Andr=C3=A9_Lureau?= X-Patchwork-Id: 13826458 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 43423CEF16B for ; Tue, 8 Oct 2024 12:56:34 +0000 (UTC) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sy9gd-0007hO-1h; Tue, 08 Oct 2024 08:51:35 -0400 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 1sy9gH-0007Rx-96 for qemu-devel@nongnu.org; Tue, 08 Oct 2024 08:51:15 -0400 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 1sy9gE-0002QG-Bz for qemu-devel@nongnu.org; Tue, 08 Oct 2024 08:51:11 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1728391867; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=HJWuRNqEoFwGiS9Acn78TLn0S58AkpF1R7ZZlyTcOXE=; b=eB752ZzUjyMVvszQmGOkFcWPzr9RGF2B+3BzKVOiaQ2xwlOx7yy22SuJ5I3dSLNV7X4yxh BV8Fci6BejRvgjskdv4f318AGClLC7+TtwyLZdFfE102I4QHqb6tU8dE/RTntaJhJxeOAC WYOT5VcQKH0dNWTM716e3x7F8HL9qu8= Received: from mx-prod-mc-01.mail-002.prod.us-west-2.aws.redhat.com (ec2-54-186-198-63.us-west-2.compute.amazonaws.com [54.186.198.63]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-483-GYwxdxATM6KLxitOU-rbjA-1; Tue, 08 Oct 2024 08:51:04 -0400 X-MC-Unique: GYwxdxATM6KLxitOU-rbjA-1 Received: from mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.12]) (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-01.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 377EB1936124; Tue, 8 Oct 2024 12:50:59 +0000 (UTC) Received: from localhost (unknown [10.39.208.19]) by mx-prod-int-03.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 66A0519560A2; Tue, 8 Oct 2024 12:50:56 +0000 (UTC) From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: Peter Maydell , Akihiko Odaki , =?utf-8?q?Philippe_Mathieu-Daud?= =?utf-8?q?=C3=A9?= , =?utf-8?q?Marc-Andr=C3=A9_Lureau?= , "Michael S. Tsirkin" , belmouss@redhat.com, =?utf-8?q?Danie?= =?utf-8?q?l_P=2E_Berrang=C3=A9?= , Thomas Huth , Paolo Bonzini , Gerd Hoffmann , Laurent Vivier Subject: [PATCH v2 05/19] ui/dbus: fix filtering all update messages Date: Tue, 8 Oct 2024 16:50:14 +0400 Message-ID: <20241008125028.1177932-6-marcandre.lureau@redhat.com> In-Reply-To: <20241008125028.1177932-1-marcandre.lureau@redhat.com> References: <20241008125028.1177932-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 X-Scanned-By: MIMEDefang 3.0 on 10.30.177.12 Received-SPF: pass client-ip=170.10.129.124; envelope-from=marcandre.lureau@redhat.com; helo=us-smtp-delivery-124.mimecast.com X-Spam_score_int: -21 X-Spam_score: -2.2 X-Spam_bar: -- X-Spam_report: (-2.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.151, 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_RPBL_BLOCKED=0.001, RCVD_IN_VALIDITY_SAFE_BLOCKED=0.001, 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: 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: Marc-André Lureau Filtering pending messages when a new scanout is given shouldn't discard pending cursor changes, for example. Since filtering happens in a different thread, use atomic set/get. Fixes: fa88b85dea ("ui/dbus: filter out pending messages when scanout") Signed-off-by: Marc-André Lureau --- ui/dbus-listener.c | 45 +++++++++++++++++++++++++++++++++------------ 1 file changed, 33 insertions(+), 12 deletions(-) diff --git a/ui/dbus-listener.c b/ui/dbus-listener.c index 434bd608f2..c69afc05a8 100644 --- a/ui/dbus-listener.c +++ b/ui/dbus-listener.c @@ -26,6 +26,7 @@ #include "qapi/error.h" #include "sysemu/sysemu.h" #include "dbus.h" +#include "glib.h" #ifdef G_OS_UNIX #include #endif @@ -85,7 +86,7 @@ struct _DBusDisplayListener { #endif guint dbus_filter; - guint32 out_serial_to_discard; + guint32 display_serial_to_discard; }; G_DEFINE_TYPE(DBusDisplayListener, dbus_display_listener, G_TYPE_OBJECT) @@ -93,10 +94,12 @@ G_DEFINE_TYPE(DBusDisplayListener, dbus_display_listener, G_TYPE_OBJECT) static void dbus_gfx_update(DisplayChangeListener *dcl, int x, int y, int w, int h); -static void ddl_discard_pending_messages(DBusDisplayListener *ddl) +static void ddl_discard_display_messages(DBusDisplayListener *ddl) { - ddl->out_serial_to_discard = g_dbus_connection_get_last_serial( + guint32 serial = g_dbus_connection_get_last_serial( g_dbus_proxy_get_connection(G_DBUS_PROXY(ddl->proxy))); + + g_atomic_int_set(&ddl->display_serial_to_discard, serial); } #ifdef CONFIG_OPENGL @@ -290,7 +293,7 @@ static void dbus_scanout_dmabuf(DisplayChangeListener *dcl, return; } - ddl_discard_pending_messages(ddl); + ddl_discard_display_messages(ddl); width = qemu_dmabuf_get_width(dmabuf); height = qemu_dmabuf_get_height(dmabuf); @@ -338,7 +341,7 @@ static bool dbus_scanout_map(DBusDisplayListener *ddl) return false; } - ddl_discard_pending_messages(ddl); + ddl_discard_display_messages(ddl); if (!qemu_dbus_display1_listener_win32_map_call_scanout_map_sync( ddl->map_proxy, @@ -401,7 +404,7 @@ dbus_scanout_share_d3d_texture( return false; } - ddl_discard_pending_messages(ddl); + ddl_discard_display_messages(ddl); qemu_dbus_display1_listener_win32_d3d11_call_scanout_texture2d( ddl->d3d11_proxy, @@ -659,7 +662,7 @@ static void ddl_scanout(DBusDisplayListener *ddl) surface_stride(ddl->ds) * surface_height(ddl->ds), TRUE, (GDestroyNotify)pixman_image_unref, pixman_image_ref(ddl->ds->image)); - ddl_discard_pending_messages(ddl); + ddl_discard_display_messages(ddl); qemu_dbus_display1_listener_call_scanout( ddl->proxy, surface_width(ddl->ds), surface_height(ddl->ds), @@ -992,17 +995,35 @@ dbus_filter(GDBusConnection *connection, gpointer user_data) { DBusDisplayListener *ddl = DBUS_DISPLAY_LISTENER(user_data); - guint32 serial; + guint32 serial, discard_serial; if (incoming) { return message; } serial = g_dbus_message_get_serial(message); - if (serial <= ddl->out_serial_to_discard) { - trace_dbus_filter(serial, ddl->out_serial_to_discard); - g_object_unref(message); - return NULL; + + discard_serial = g_atomic_int_get(&ddl->display_serial_to_discard); + if (serial <= discard_serial) { + const char *member = g_dbus_message_get_member(message); + static const char *const display_messages[] = { + "Scanout", + "Update", +#ifdef CONFIG_GBM + "ScanoutDMABUF", + "UpdateDMABUF", +#endif + "ScanoutMap", + "UpdateMap", + "Disable", + NULL, + }; + + if (g_strv_contains(display_messages, member)) { + trace_dbus_filter(serial, discard_serial); + g_object_unref(message); + return NULL; + } } return message;