From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:56984) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aNhGs-00040k-4F for qemu-devel@nongnu.org; Mon, 25 Jan 2016 08:33:31 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1aNhGn-0008RE-B9 for qemu-devel@nongnu.org; Mon, 25 Jan 2016 08:33:30 -0500 Received: from mx1.redhat.com ([209.132.183.28]:55586) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1aNhGn-0008R3-5c for qemu-devel@nongnu.org; Mon, 25 Jan 2016 08:33:25 -0500 Received: from int-mx09.intmail.prod.int.phx2.redhat.com (int-mx09.intmail.prod.int.phx2.redhat.com [10.5.11.22]) by mx1.redhat.com (Postfix) with ESMTPS id 57D0AC0ED3E3 for ; Mon, 25 Jan 2016 13:33:24 +0000 (UTC) From: Stefan Hajnoczi Date: Mon, 25 Jan 2016 13:33:19 +0000 Message-Id: <1453728801-5398-1-git-send-email-stefanha@redhat.com> Subject: [Qemu-devel] [PATCH 0/2] dataplane: RCU dirty memory bitmap for safe RAM hotplug List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: Paolo Bonzini , Stefan Hajnoczi Make RAM hotplug play nicely with dataplane. By RCU-protecting the dirty memory bitmap it is possible to hotplug RAM while other threads are dirtying guest RAM. See Patch 1 for the meat of the code. Patch 2 is just a fixup on top of Paolo's dataplane branch. This series is based on: https://github.com/bonzini/qemu.git dataplane Stefan Hajnoczi (2): memory: RCU ram_list.dirty_memory[] for safe RAM hotplug virtio-blk: drop unused migration.h include exec.c | 73 +++++++++++++++---- hw/block/virtio-blk.c | 1 - include/exec/ram_addr.h | 189 ++++++++++++++++++++++++++++++++++++++++++------ migration/ram.c | 4 - 4 files changed, 223 insertions(+), 44 deletions(-) -- 2.5.0