From patchwork Sun Jul 28 13:13:01 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Wei Yang X-Patchwork-Id: 11062941 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id DF02B13AC for ; Sun, 28 Jul 2019 13:14:35 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id CD38C28735 for ; Sun, 28 Jul 2019 13:14:35 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id BF28928825; Sun, 28 Jul 2019 13:14:35 +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=-5.2 required=2.0 tests=BAYES_00,MAILING_LIST_MULTI, RCVD_IN_DNSWL_MED autolearn=ham version=3.3.1 Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) (using TLSv1.2 with cipher AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mail.wl.linuxfoundation.org (Postfix) with ESMTPS id B20E128735 for ; Sun, 28 Jul 2019 13:14:34 +0000 (UTC) Received: from localhost ([::1]:45232 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hrj0U-0006DN-1q for patchwork-qemu-devel@patchwork.kernel.org; Sun, 28 Jul 2019 09:14:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]:59643) by lists.gnu.org with esmtp (Exim 4.86_2) (envelope-from ) id 1hriza-0004y7-Uv for qemu-devel@nongnu.org; Sun, 28 Jul 2019 09:13:40 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1hrizZ-0002Pd-UA for qemu-devel@nongnu.org; Sun, 28 Jul 2019 09:13:38 -0400 Received: from mga04.intel.com ([192.55.52.120]:27061) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1hrizZ-0002Jl-KY for qemu-devel@nongnu.org; Sun, 28 Jul 2019 09:13:37 -0400 X-Amp-Result: SKIPPED(no attachment in message) X-Amp-File-Uploaded: False Received: from fmsmga004.fm.intel.com ([10.253.24.48]) by fmsmga104.fm.intel.com with ESMTP/TLS/DHE-RSA-AES256-GCM-SHA384; 28 Jul 2019 06:13:31 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=Sophos;i="5.64,318,1559545200"; d="scan'208";a="194965247" Received: from richard.sh.intel.com (HELO localhost) ([10.239.159.54]) by fmsmga004.fm.intel.com with ESMTP; 28 Jul 2019 06:13:31 -0700 From: Wei Yang To: qemu-devel@nongnu.org Date: Sun, 28 Jul 2019 21:13:01 +0800 Message-Id: <20190728131304.1282-1-richardw.yang@linux.intel.com> X-Mailer: git-send-email 2.17.1 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 192.55.52.120 Subject: [Qemu-devel] [PATCH 0/3] memory-device: refine memory_device_get_free_addr X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.23 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: imammedo@redhat.com, david@redhat.com, Wei Yang , mst@redhat.com Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP When we iterate the memory-device list to get the available range, it is not necessary to iterate the whole list. 1) the first non-overlap range is the proper one if no hint is provided 2) no more overlap for hinted range if tmp exceed it Wei Yang (3): memory-device: not necessary to use goto for the last check memory-device: break the loop if no hint is provided memory-device: break the loop if tmp exceed the hinted range hw/mem/memory-device.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)