From patchwork Tue May 10 09:59:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Changlong Xie X-Patchwork-Id: 9056371 Return-Path: X-Original-To: patchwork-qemu-devel@patchwork.kernel.org Delivered-To: patchwork-parsemail@patchwork1.web.kernel.org Received: from mail.kernel.org (mail.kernel.org [198.145.29.136]) by patchwork1.web.kernel.org (Postfix) with ESMTP id 4EEFC9F1D3 for ; Tue, 10 May 2016 09:56:12 +0000 (UTC) Received: from mail.kernel.org (localhost [127.0.0.1]) by mail.kernel.org (Postfix) with ESMTP id 75C7020145 for ; Tue, 10 May 2016 09:56:11 +0000 (UTC) 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.kernel.org (Postfix) with ESMTPS id A1FE3200F0 for ; Tue, 10 May 2016 09:56:10 +0000 (UTC) Received: from localhost ([::1]:45490 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b04Of-0004JX-D0 for patchwork-qemu-devel@patchwork.kernel.org; Tue, 10 May 2016 05:56:09 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:43800) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b04OV-0004FR-4f for qemu-devel@nongnu.org; Tue, 10 May 2016 05:56:00 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1b04ON-0006zo-Pi for qemu-devel@nongnu.org; Tue, 10 May 2016 05:55:55 -0400 Received: from [59.151.112.132] (port=39003 helo=heian.cn.fujitsu.com) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1b04ON-0006wL-4w for qemu-devel@nongnu.org; Tue, 10 May 2016 05:55:51 -0400 X-IronPort-AV: E=Sophos;i="5.22,518,1449504000"; d="scan'208";a="6395507" Received: from unknown (HELO cn.fujitsu.com) ([10.167.33.5]) by heian.cn.fujitsu.com with ESMTP; 10 May 2016 17:55:41 +0800 Received: from G08CNEXCHPEKD03.g08.fujitsu.local (unknown [10.167.33.85]) by cn.fujitsu.com (Postfix) with ESMTP id B1CB742B5611; Tue, 10 May 2016 17:55:38 +0800 (CST) Received: from changlox.g08.fujitsu.local (10.167.225.55) by G08CNEXCHPEKD03.g08.fujitsu.local (10.167.33.89) with Microsoft SMTP Server (TLS) id 14.3.279.2; Tue, 10 May 2016 17:55:38 +0800 From: Changlong Xie To: qemu devel , Stefan Hajnoczi Date: Tue, 10 May 2016 17:59:08 +0800 Message-ID: <1462874348-32396-1-git-send-email-xiecl.fnst@cn.fujitsu.com> X-Mailer: git-send-email 1.9.3 MIME-Version: 1.0 X-Originating-IP: [10.167.225.55] X-yoursite-MailScanner-ID: B1CB742B5611.AF446 X-yoursite-MailScanner: Found to be clean X-yoursite-MailScanner-From: xiecl.fnst@cn.fujitsu.com X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 59.151.112.132 Subject: [Qemu-devel] [PATCH v2] rfifolock: no need to get thread identifier when nesting 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: Changlong Xie Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Spam-Status: No, score=-6.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_HI, UNPARSEABLE_RELAY autolearn=unavailable version=3.3.1 X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on mail.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP Signed-off-by: Changlong Xie Reviewed-by: Denis V. Lunev --- util/rfifolock.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/util/rfifolock.c b/util/rfifolock.c index c22f5fe..084c2f0 100644 --- a/util/rfifolock.c +++ b/util/rfifolock.c @@ -58,9 +58,9 @@ void rfifolock_lock(RFifoLock *r) } qemu_cond_wait(&r->cond, &r->lock); } + qemu_thread_get_self(&r->owner_thread); } - qemu_thread_get_self(&r->owner_thread); r->nesting++; qemu_mutex_unlock(&r->lock); }