From patchwork Thu Oct 27 06:43:08 2016 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Zhanghailiang X-Patchwork-Id: 9398947 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 0479360231 for ; Thu, 27 Oct 2016 06:50:12 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id BF38229F13 for ; Thu, 27 Oct 2016 06:50:11 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id B0AEF29F3A; Thu, 27 Oct 2016 06:50:11 +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 117F829F13 for ; Thu, 27 Oct 2016 06:50:11 +0000 (UTC) Received: from localhost ([::1]:39355 helo=lists.gnu.org) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bzeVu-0007yo-9L for patchwork-qemu-devel@patchwork.kernel.org; Thu, 27 Oct 2016 02:50:10 -0400 Received: from eggs.gnu.org ([2001:4830:134:3::10]:32966) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1bzeQg-00048S-LF for qemu-devel@nongnu.org; Thu, 27 Oct 2016 02:44:49 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1bzeQf-0003yS-JW for qemu-devel@nongnu.org; Thu, 27 Oct 2016 02:44:46 -0400 Received: from szxga03-in.huawei.com ([119.145.14.66]:59593) by eggs.gnu.org with esmtps (TLS1.0:RSA_ARCFOUR_SHA1:16) (Exim 4.71) (envelope-from ) id 1bzeQe-0003sD-8B for qemu-devel@nongnu.org; Thu, 27 Oct 2016 02:44:45 -0400 Received: from 172.24.1.36 (EHLO szxeml430-hub.china.huawei.com) ([172.24.1.36]) by szxrg03-dlp.huawei.com (MOS 4.4.3-GA FastPath queued) with ESMTP id CKK24324; Thu, 27 Oct 2016 14:44:29 +0800 (CST) Received: from localhost (10.177.24.212) by szxeml430-hub.china.huawei.com (10.82.67.185) with Microsoft SMTP Server id 14.3.235.1; Thu, 27 Oct 2016 14:44:19 +0800 From: zhanghailiang To: , Date: Thu, 27 Oct 2016 14:43:08 +0800 Message-ID: <1477550589-16288-18-git-send-email-zhang.zhanghailiang@huawei.com> X-Mailer: git-send-email 2.7.2.windows.1 In-Reply-To: <1477550589-16288-1-git-send-email-zhang.zhanghailiang@huawei.com> References: <1477550589-16288-1-git-send-email-zhang.zhanghailiang@huawei.com> MIME-Version: 1.0 X-Originating-IP: [10.177.24.212] X-CFilter-Loop: Reflected X-detected-operating-system: by eggs.gnu.org: GNU/Linux 2.4.x-2.6.x [generic] X-Received-From: 119.145.14.66 Subject: [Qemu-devel] [PATCH COLO-Frame (Base) v23 17/18] configure: Support enable/disable COLO feature 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: xiecl.fnst@cn.fujitsu.com, zhanghailiang , lizhijian@cn.fujitsu.com, qemu-devel@nongnu.org, dgilbert@redhat.com, Gonglei Errors-To: qemu-devel-bounces+patchwork-qemu-devel=patchwork.kernel.org@nongnu.org Sender: "Qemu-devel" X-Virus-Scanned: ClamAV using ClamSMTP configure --enable-colo/--disable-colo to switch COLO support on/off. COLO feature doesn't depend on any other external libraries, So here it is reasonable to enable COLO by default, to avoid re-compile QEMU if users want to use this capability. Signed-off-by: zhanghailiang Signed-off-by: Li Zhijian Signed-off-by: Gonglei Reviewed-by: Dr. David Alan Gilbert Reviewed-by: Amit Shah --- v22: - Add Reviewed-by tag v19: - fix colo_supported() to return true v11: - Turn COLO on in default (Eric's suggestion) --- configure | 11 +++++++++++ migration/colo.c | 2 +- 2 files changed, 12 insertions(+), 1 deletion(-) diff --git a/configure b/configure index d3dafcb..8e3b760 100755 --- a/configure +++ b/configure @@ -230,6 +230,7 @@ vhost_net="no" vhost_scsi="no" vhost_vsock="no" kvm="no" +colo="yes" rdma="" gprof="no" debug_tcg="no" @@ -918,6 +919,10 @@ for opt do ;; --enable-kvm) kvm="yes" ;; + --disable-colo) colo="no" + ;; + --enable-colo) colo="yes" + ;; --disable-tcg-interpreter) tcg_interpreter="no" ;; --enable-tcg-interpreter) tcg_interpreter="yes" @@ -1363,6 +1368,7 @@ disabled with --disable-FEATURE, default is enabled if available: fdt fdt device tree bluez bluez stack connectivity kvm KVM acceleration support + colo COarse-grain LOck-stepping VM for Non-stop Service rdma RDMA-based migration support vde support for vde network netmap support for netmap network @@ -4941,6 +4947,7 @@ echo "Linux AIO support $linux_aio" echo "ATTR/XATTR support $attr" echo "Install blobs $blobs" echo "KVM support $kvm" +echo "COLO support $colo" echo "RDMA support $rdma" echo "TCG interpreter $tcg_interpreter" echo "fdt support $fdt" @@ -5568,6 +5575,10 @@ if have_backend "syslog"; then fi echo "CONFIG_TRACE_FILE=$trace_file" >> $config_host_mak +if test "$colo" = "yes"; then + echo "CONFIG_COLO=y" >> $config_host_mak +fi + if test "$rdma" = "yes" ; then echo "CONFIG_RDMA=y" >> $config_host_mak fi diff --git a/migration/colo.c b/migration/colo.c index 1f9c699..e7224b8 100644 --- a/migration/colo.c +++ b/migration/colo.c @@ -24,7 +24,7 @@ bool colo_supported(void) { - return false; + return true; } bool migration_in_colo_state(void)