From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from eggs.gnu.org ([2001:4830:134:3::10]:50008) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VmKyI-0007ib-HU for qemu-devel@nongnu.org; Fri, 29 Nov 2013 05:06:59 -0500 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1VmKy9-0007rt-J2 for qemu-devel@nongnu.org; Fri, 29 Nov 2013 05:06:50 -0500 Received: from e23smtp01.au.ibm.com ([202.81.31.143]:48065) by eggs.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1VmKy8-0007rb-SY for qemu-devel@nongnu.org; Fri, 29 Nov 2013 05:06:41 -0500 Received: from /spool/local by e23smtp01.au.ibm.com with IBM ESMTP SMTP Gateway: Authorized Use Only! Violators will be prosecuted for from ; Fri, 29 Nov 2013 20:06:36 +1000 Received: from d23relay04.au.ibm.com (d23relay04.au.ibm.com [9.190.234.120]) by d23dlp01.au.ibm.com (Postfix) with ESMTP id BB7E62CE8051 for ; Fri, 29 Nov 2013 21:06:32 +1100 (EST) Received: from d23av01.au.ibm.com (d23av01.au.ibm.com [9.190.234.96]) by d23relay04.au.ibm.com (8.13.8/8.13.8/NCO v10.0) with ESMTP id rAT9mYuA655638 for ; Fri, 29 Nov 2013 20:48:34 +1100 Received: from d23av01.au.ibm.com (localhost [127.0.0.1]) by d23av01.au.ibm.com (8.14.4/8.14.4/NCO v10.0 AVout) with ESMTP id rATA6VVZ011948 for ; Fri, 29 Nov 2013 21:06:32 +1100 From: Lei Li Date: Fri, 29 Nov 2013 18:06:08 +0800 Message-Id: <1385719584-21114-2-git-send-email-lilei@linux.vnet.ibm.com> In-Reply-To: <1385719584-21114-1-git-send-email-lilei@linux.vnet.ibm.com> References: <1385719584-21114-1-git-send-email-lilei@linux.vnet.ibm.com> Subject: [Qemu-devel] [PATCH 01/17] QAPI: introduce migration capability unix_page_flipping List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , To: qemu-devel@nongnu.org Cc: aarcange@redhat.com, Lei Li , quintela@redhat.com, mrhines@linux.vnet.ibm.com, aliguori@amazon.com, lagarcia@br.ibm.com, pbonzini@redhat.com, rcj@linux.vnet.ibm.com Introduce unix_page_flipping to MigrationCapability for localhost migration. Signed-off-by: Paolo Bonzini Signed-off-by: Lei Li --- qapi-schema.json | 10 +++++++++- 1 files changed, 9 insertions(+), 1 deletions(-) diff --git a/qapi-schema.json b/qapi-schema.json index 83fa485..b290a0f 100644 --- a/qapi-schema.json +++ b/qapi-schema.json @@ -685,10 +685,18 @@ # @auto-converge: If enabled, QEMU will automatically throttle down the guest # to speed up convergence of RAM migration. (since 1.6) # +# @unix-page-flipping: If enabled, QEMU can optimize migration when the +# destination is a QEMU process that runs on the same host as +# the source (as is the case for live upgrade). If the migration +# transport is a Unix socket, QEMU will flip RAM pages directly to +# the destination, so that memory is only allocated twice for the +# source and destination processes. Disabled by default. (since 1.8) +# # Since: 1.2 ## { 'enum': 'MigrationCapability', - 'data': ['xbzrle', 'x-rdma-pin-all', 'auto-converge', 'zero-blocks'] } + 'data': ['xbzrle', 'x-rdma-pin-all', 'auto-converge', 'zero-blocks', + 'unix-page-flipping'] } ## # @MigrationCapabilityStatus -- 1.7.7.6