From patchwork Mon Jun 13 17:05:31 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Stefan Hajnoczi X-Patchwork-Id: 9173663 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id A02C06048C for ; Mon, 13 Jun 2016 17:20:14 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 8B15720499 for ; Mon, 13 Jun 2016 17:20:14 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 7E6F9265F9; Mon, 13 Jun 2016 17:20:14 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-6.9 required=2.0 tests=BAYES_00,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id 2CA2020499 for ; Mon, 13 Jun 2016 17:20:14 +0000 (UTC) Received: from localhost ([::1]:57976 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bCVX0-000694-9I for patchwork-qemu-devel@patchwork.kernel.org; Mon, 13 Jun 2016 13:20:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:39482) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bCVJS-0001nT-3h for qemu-devel@nongnu.org; Mon, 13 Jun 2016 13:06:11 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bCVJL-0001yK-TG for qemu-devel@nongnu.org; Mon, 13 Jun 2016 13:06:09 -0400 Received: from mx1.redhat.com ([209.132.183.28]:35751) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bCVJL-0001yD-O1 for qemu-devel@nongnu.org; Mon, 13 Jun 2016 13:06:03 -0400 Received: from int-mx14.intmail.prod.int.phx2.redhat.com (int-mx14.intmail.prod.int.phx2.redhat.com [10.5.11.27]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 5DD64552F0; Mon, 13 Jun 2016 17:06:03 +0000 (UTC) Received: from localhost (ovpn-112-61.ams2.redhat.com [10.36.112.61]) by int-mx14.intmail.prod.int.phx2.redhat.com (8.14.4/8.14.4) with ESMTP id u5DH615w017600; Mon, 13 Jun 2016 13:06:02 -0400 From: Stefan Hajnoczi To: qemu-devel@nongnu.org Date: Mon, 13 Jun 2016 18:05:31 +0100 Message-Id: <1465837535-30067-12-git-send-email-stefanha@redhat.com> In-Reply-To: <1465837535-30067-1-git-send-email-stefanha@redhat.com> References: <1465837535-30067-1-git-send-email-stefanha@redhat.com> X-Scanned-By: MIMEDefang 2.68 on 10.5.11.27 X-Greylist: Sender IP whitelisted, not delayed by milter-greylist-4.5.16 (mx1.redhat.com [10.5.110.29]); Mon, 13 Jun 2016 17:06:03 +0000 (UTC) X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.2.x-3.x [generic] X-Received-From: 209.132.183.28 Subject: [Qemu-devel] [PATCH v3 11/15] console: ignore ui_info updates which don't actually update something X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: Kevin Wolf , Fam Zheng , Jeff Cody , mreitz@redhat.com, Gerd Hoffmann , jjherne@linux.vnet.ibm.com, Paolo Bonzini Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP From: Gerd Hoffmann 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 bf38579..ce1e105 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; }