From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:49476) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1dhVGR-0001oM-9x for qemu-devel@nongnu.org; Tue, 15 Aug 2017 02:23:44 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1dhVGO-0005Cv-3N for qemu-devel@nongnu.org; Tue, 15 Aug 2017 02:23:43 -0400 Received: from mx1.redhat.com ([209.132.183.28]:49934) by eggs.gnu.org with esmtps (TLS1.0:DHE_RSA_AES_256_CBC_SHA1:32) (Exim 4.71) (envelope-from ) id 1dhVGN-0005Ca-TY for qemu-devel@nongnu.org; Tue, 15 Aug 2017 02:23:40 -0400 Received: from smtp.corp.redhat.com (int-mx05.intmail.prod.int.phx2.redhat.com [10.5.11.15]) (using TLSv1.2 with cipher AECDH-AES256-SHA (256/256 bits)) (No client certificate requested) by mx1.redhat.com (Postfix) with ESMTPS id 29E727BE43 for ; Tue, 15 Aug 2017 06:17:18 +0000 (UTC) From: Peter Xu Date: Tue, 15 Aug 2017 14:17:01 +0800 Message-Id: <1502777827-18874-1-git-send-email-peterx@redhat.com> Subject: [Qemu-devel] [RFC 0/6] migration: re-use migrate_incoming for postcopy recovery List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: "Daniel P . Berrange" , Laurent Vivier , Juan Quintela , "Dr . David Alan Gilbert" , peterx@redhat.com This series is based on the postcopy failure recovery series. It sololy tries to provide a new way to allow the destination to have a new incoming channel. One use case is when we are doing postcopy migration using a fd on destination side. When network failure is detected, destination QEMU will switch to postcopy-pause state for a recovery. However since the old fd is disconnected and not valid any more, there is no way to do a reconnection without a new reconfiguration. With this series, we can specify the new listening channel by using "migrate_incoming xxx:xxx" command. It was used only for "-incoming defer" to defer an incoming migration. This series extended its usage for paused postcopy as well. Please review, thanks. Peter Xu (6): migration: free SocketAddress where allocated migration: return incoming task tag for sockets migration: return incoming task tag for exec migration: return incoming task tag for fd migration: store listen task tag migration: allow migrate_incoming for paused VM migration/exec.c | 18 ++++++++++------- migration/exec.h | 2 +- migration/fd.c | 18 ++++++++++------- migration/fd.h | 2 +- migration/migration.c | 56 +++++++++++++++++++++++++++++++++++++++++---------- migration/migration.h | 2 ++ migration/socket.c | 40 +++++++++++++++++++++++------------- migration/socket.h | 4 ++-- 8 files changed, 99 insertions(+), 43 deletions(-) -- 2.7.4