From patchwork Tue Apr 3 08:38:11 2012 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Lai Jiangshan X-Patchwork-Id: 150357 Return-Path: X-Original-To: incoming@patchwork.ozlabs.org Delivered-To: patchwork-incoming@bilbo.ozlabs.org Received: from lists.gnu.org (lists.gnu.org [208.118.235.17]) (using TLSv1 with cipher AES256-SHA (256/256 bits)) (Client did not present a certificate) by ozlabs.org (Postfix) with ESMTPS id 3D38BB6FDF for ; Tue, 3 Apr 2012 19:34:07 +1000 (EST) Received: from localhost ([::1]:40397 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SEzRJ-0005Lx-Vr for incoming@patchwork.ozlabs.org; Tue, 03 Apr 2012 04:50:09 -0400 Received: from eggs.gnu.org ([208.118.235.92]:37964) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SEzQi-0003um-9F for qemu-devel@nongnu.org; Tue, 03 Apr 2012 04:49:37 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1SEzQe-0006Wo-Mw for qemu-devel@nongnu.org; Tue, 03 Apr 2012 04:49:31 -0400 Received: from [222.73.24.84] (port=26658 helo=song.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1SEzQe-0006Uz-Bu for qemu-devel@nongnu.org; Tue, 03 Apr 2012 04:49:28 -0400 X-IronPort-AV: E=Sophos;i="4.75,362,1330876800"; d="scan'208";a="4676343" Received: from unknown (HELO tang.cn.fujitsu.com) ([10.167.250.3]) by song.cn.fujitsu.com with ESMTP; 03 Apr 2012 16:49:02 +0800 Received: from mailserver.fnst.cn.fujitsu.com (tang.cn.fujitsu.com [127.0.0.1]) by tang.cn.fujitsu.com (8.14.3/8.13.1) with ESMTP id q338X7OO029012; Tue, 3 Apr 2012 16:33:28 +0800 Received: from localhost.localdomain ([10.167.225.146]) by mailserver.fnst.cn.fujitsu.com (Lotus Domino Release 8.5.3) with ESMTP id 2012040316325357-36914 ; Tue, 3 Apr 2012 16:32:53 +0800 From: Lai Jiangshan To: Kevin Wolf , Stefan Hajnoczi , Anthony Liguori Date: Tue, 3 Apr 2012 16:38:11 +0800 Message-Id: <1333442297-18932-4-git-send-email-laijs@cn.fujitsu.com> X-Mailer: git-send-email 1.7.4.4 In-Reply-To: <1333442297-18932-1-git-send-email-laijs@cn.fujitsu.com> References: <1333442297-18932-1-git-send-email-laijs@cn.fujitsu.com> X-MIMETrack: Itemize by SMTP Server on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/04/03 16:32:53, Serialize by Router on mailserver/fnst(Release 8.5.3|September 15, 2011) at 2012/04/03 16:33:18, Serialize complete at 2012/04/03 16:33:18 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 222.73.24.84 Cc: qemu-devel@nongnu.org, Lai Jiangshan Subject: [Qemu-devel] [PATCH 04/10] coroutine: init co_runnable_bh during boot X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.14 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org Sender: qemu-devel-bounces+incoming=patchwork.ozlabs.org@nongnu.org use __attribute__((constructor)) to do the initialization. Signed-off-by: Lai Jiangshan Reviewed-by: Paolo Bonzini --- qemu-coroutine-lock.c | 9 +++++---- 1 files changed, 5 insertions(+), 4 deletions(-) diff --git a/qemu-coroutine-lock.c b/qemu-coroutine-lock.c index 90141cd..7c29bc4 100644 --- a/qemu-coroutine-lock.c +++ b/qemu-coroutine-lock.c @@ -44,13 +44,14 @@ static void qemu_co_process_runnable(void *opaque) } } +static void __attribute__((constructor)) co_runnable_bh_init(void) +{ + co_runnable_bh = qemu_bh_new(qemu_co_process_runnable, NULL); +} + void qemu_co_queue_init(CoQueue *queue) { QTAILQ_INIT(&queue->entries); - - if (!co_runnable_bh) { - co_runnable_bh = qemu_bh_new(qemu_co_process_runnable, NULL); - } } void coroutine_fn qemu_co_queue_wait(CoQueue *queue)