From patchwork Tue Jan 31 11:59:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Pavel Dovgalyuk X-Patchwork-Id: 9546999 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 568BE604A0 for ; Tue, 31 Jan 2017 12:02:44 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 478412041F for ; Tue, 31 Jan 2017 12:02:44 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 3A46426E90; Tue, 31 Jan 2017 12:02:44 +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 BCAF02041F for ; Tue, 31 Jan 2017 12:02:43 +0000 (UTC) Received: from localhost ([::1]:37402 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYX90-0003o0-8e for patchwork-qemu-devel@patchwork.kernel.org; Tue, 31 Jan 2017 07:02:42 -0500 Received: from eggs.gnu.org ([2001:4830:134:3::10]:42687) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYX5h-0000oP-1R for qemu-devel@nongnu.org; Tue, 31 Jan 2017 06:59:17 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1cYX5e-00086P-2c for qemu-devel@nongnu.org; Tue, 31 Jan 2017 06:59:17 -0500 Received: from mail.ispras.ru ([83.149.199.45]:58206) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1cYX5d-00086D-SF for qemu-devel@nongnu.org; Tue, 31 Jan 2017 06:59:14 -0500 Received: from [10.10.150.12] (unknown [85.142.117.226]) by mail.ispras.ru (Postfix) with ESMTPSA id 1C7FC5400B7; Tue, 31 Jan 2017 14:59:13 +0300 (MSK) To: qemu-devel@nongnu.org From: Pavel Dovgalyuk Date: Tue, 31 Jan 2017 14:59:13 +0300 Message-ID: <20170131115913.6828.12266.stgit@PASHA-ISP> User-Agent: StGit/0.16 MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: GNU/Linux 3.x [fuzzy] X-Received-From: 83.149.199.45 Subject: [Qemu-devel] [PATCH] audio: make audio poll timer deterministic 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: pbonzini@redhat.com, dovgaluk@ispras.ru, kraxel@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP This patch changes resetting strategy of the audio polling timer. It does not change expiration time if the timer is already set. Signed-off-by: Pavel Dovgalyuk --- audio/audio.c | 6 ++++-- 1 file changed, 4 insertions(+), 2 deletions(-) diff --git a/audio/audio.c b/audio/audio.c index c845a44..1ee95a5 100644 --- a/audio/audio.c +++ b/audio/audio.c @@ -1112,8 +1112,10 @@ static int audio_is_timer_needed (void) static void audio_reset_timer (AudioState *s) { if (audio_is_timer_needed ()) { - timer_mod (s->ts, - qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + conf.period.ticks); + if (!timer_pending(s->ts)) { + timer_mod (s->ts, + qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + conf.period.ticks); + } } else { timer_del (s->ts);