From 1185fde40c3ba02406665b9ee0743270c526be26 Mon Sep 17 00:00:00 2001 From: Gerd Hoffmann Date: Mon, 30 May 2016 10:41:13 +0200 Subject: [PATCH] console: ignore ui_info updates which don't actually update something Signed-off-by: Gerd Hoffmann Message-id: 1464597673-26464-1-git-send-email-kraxel@redhat.com --- ui/console.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/ui/console.c b/ui/console.c index bf385790b5..ce1e10570f 100644 --- a/ui/console.c +++ b/ui/console.c @@ -1453,16 +1453,21 @@ bool dpy_ui_info_supported(QemuConsole *con) int dpy_set_ui_info(QemuConsole *con, QemuUIInfo *info) { assert(con != NULL); - con->ui_info = *info; + if (!dpy_ui_info_supported(con)) { return -1; } + if (memcmp(&con->ui_info, info, sizeof(con->ui_info)) == 0) { + /* nothing changed -- ignore */ + return 0; + } /* * Typically we get a flood of these as the user resizes the window. * Wait until the dust has settled (one second without updates), then * go notify the guest. */ + con->ui_info = *info; timer_mod(con->ui_timer, qemu_clock_get_ms(QEMU_CLOCK_REALTIME) + 1000); return 0; }