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c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1728913208; 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=4Sbeeh6Nt5K4NX0Ls8O7TyT/aeG41lol8tOrg2NOQdw=; b=Me2r2s8dB0uKNyn5PYCAMVGmu91w7A2YH3mLx5fgTWsEWF7aNxdSlB+xvWpbQSQT5Ekwp9 Oi9hc3j8Wg/F1Va4wConltTS5HiLpLwbLaT1uwJxyuaUndmegKGn/rHq1W0YNr4C8Ieo1r vPiIW/VymePyqiIWX78H8dtCuGbCdFo= X-MC-Unique: dqC3AR8lO-2S0DsJZXlPCQ-1 From: marcandre.lureau@redhat.com To: qemu-devel@nongnu.org Cc: peter.maydell@linaro.org, =?UTF-8?q?Marc-Andr=C3=A9=20Lureau?= Subject: [PULL 05/20] ui/dbus: fix filtering all update messages Date: Mon, 14 Oct 2024 17:39:20 +0400 Message-ID: <20241014133935.470709-6-marcandre.lureau@redhat.com> In-Reply-To: <20241014133935.470709-1-marcandre.lureau@redhat.com> References: <20241014133935.470709-1-marcandre.lureau@redhat.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable X-Scanned-By: MIMEDefang 3.0 on 10.30.177.40 Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer=patchew.org@nongnu.org; helo=lists.gnu.org; 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: 12 X-Spam_score: 1.2 X-Spam_bar: + X-Spam_report: (1.2 / 5.0 requ) BAYES_00=-1.9, DKIMWL_WL_HIGH=-0.076, 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_SBL_CSS=3.335, RCVD_IN_VALIDITY_CERTIFIED_BLOCKED=0.001, RCVD_IN_VALIDITY_RPBL_BLOCKED=0.001, 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: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @redhat.com) X-ZM-MESSAGEID: 1728913453601116600 From: Marc-Andr=C3=A9 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-Andr=C3=A9 Lureau Reviewed-by: Akihiko Odaki Message-ID: <20241008125028.1177932-6-marcandre.lureau@redhat.com> --- 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 =20 guint dbus_filter; - guint32 out_serial_to_discard; + guint32 display_serial_to_discard; }; =20 G_DEFINE_TYPE(DBusDisplayListener, dbus_display_listener, G_TYPE_OBJECT) @@ -93,10 +94,12 @@ G_DEFINE_TYPE(DBusDisplayListener, dbus_display_listene= r, G_TYPE_OBJECT) static void dbus_gfx_update(DisplayChangeListener *dcl, int x, int y, int w, int h); =20 -static void ddl_discard_pending_messages(DBusDisplayListener *ddl) +static void ddl_discard_display_messages(DBusDisplayListener *ddl) { - ddl->out_serial_to_discard =3D g_dbus_connection_get_last_serial( + guint32 serial =3D 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); } =20 #ifdef CONFIG_OPENGL @@ -290,7 +293,7 @@ static void dbus_scanout_dmabuf(DisplayChangeListener *= dcl, return; } =20 - ddl_discard_pending_messages(ddl); + ddl_discard_display_messages(ddl); =20 width =3D qemu_dmabuf_get_width(dmabuf); height =3D qemu_dmabuf_get_height(dmabuf); @@ -338,7 +341,7 @@ static bool dbus_scanout_map(DBusDisplayListener *ddl) return false; } =20 - ddl_discard_pending_messages(ddl); + ddl_discard_display_messages(ddl); =20 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; } =20 - ddl_discard_pending_messages(ddl); + ddl_discard_display_messages(ddl); =20 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->imag= e)); =20 - ddl_discard_pending_messages(ddl); + ddl_discard_display_messages(ddl); =20 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 =3D DBUS_DISPLAY_LISTENER(user_data); - guint32 serial; + guint32 serial, discard_serial; =20 if (incoming) { return message; } =20 serial =3D g_dbus_message_get_serial(message); - if (serial <=3D ddl->out_serial_to_discard) { - trace_dbus_filter(serial, ddl->out_serial_to_discard); - g_object_unref(message); - return NULL; + + discard_serial =3D g_atomic_int_get(&ddl->display_serial_to_discard); + if (serial <=3D discard_serial) { + const char *member =3D g_dbus_message_get_member(message); + static const char *const display_messages[] =3D { + "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; + } } =20 return message; --=20 2.47.0