From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: RFC: QEMU bumping memory limit and domain restore Date: Thu, 4 Jun 2015 16:49:08 +0100 Message-ID: <1433432948.7108.121.camel@citrix.com> References: <20150602140507.GM19403@zion.uk.xensource.com> <20150602140806.GN19403@zion.uk.xensource.com> <1433260149.15036.333.camel@citrix.com> <556DD596.5000008@citrix.com> <20150602174056.GB19403@zion.uk.xensource.com> <20150604152800.GO12468@zion.uk.xensource.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta3.messagelabs.com ([195.245.230.39]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Z0XOM-00038u-Hh for xen-devel@lists.xenproject.org; Thu, 04 Jun 2015 15:49:14 +0000 In-Reply-To: <20150604152800.GO12468@zion.uk.xensource.com> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Wei Liu Cc: Stefano Stabellini , Andrew Cooper , Ian Jackson , dslutz@verizon.com, xen-devel@lists.xenproject.org, yanghy@cn.fujitsu.com List-Id: xen-devel@lists.xenproject.org On Thu, 2015-06-04 at 16:28 +0100, Wei Liu wrote: > An alternative we came up with during our IRL discussion. > > 1. QEMU writes the size of additional memory in xenstore. Above is orthogonal to below I think. You existing patch could be reimplemented in terms of the below, while the above is potentially a separate piece of work. > 2. Libxl record that in toolstack save path. > 3. Remote end calls xc_domain_setmaxmem in toolstack restore path. > > Wei. > > > Wei. > > > > > ~Andrew