From mboxrd@z Thu Jan 1 00:00:00 1970 From: "Chen, Tiejun" Subject: Re: [v6][PATCH 2/2] xen:vtd: missing RMRR mapping while share EPT Date: Fri, 01 Aug 2014 15:10:15 +0800 Message-ID: <53DB3D57.5010107@intel.com> References: <1406684186-12788-1-git-send-email-tiejun.chen@intel.com> <1406684186-12788-2-git-send-email-tiejun.chen@intel.com> <53D8CAC402000078000278E9@mail.emea.novell.com> <53D8B408.1010409@intel.com> <53D8D5A0020000780002792A@mail.emea.novell.com> <53D8BD70.7040905@intel.com> <53D8E4370200007800027986@mail.emea.novell.com> <53D8CB80.1000606@intel.com> <53D8E95A02000078000279BD@mail.emea.novell.com> <53DA103B.4000308@intel.com> <53DB552C020000780002846D@mail.emea.novell.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <53DB552C020000780002846D@mail.emea.novell.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: Jan Beulich Cc: yang.z.zhang@intel.com, kevin.tian@intel.com, xen-devel@lists.xen.org List-Id: xen-devel@lists.xenproject.org On 2014/8/1 14:51, Jan Beulich wrote: >>>> On 31.07.14 at 11:45, wrote: >> Additionally, I'm trying to figure out that solution. As I mentioned >> previously, I think we can reserve all RMRR once when a guest call >> XENMEM_machine_memory_map to create its own memory. What about this >> idea? Or other better suggestions? > > I don't think any HVM guest would ever call this, even more so that > the call is restricted to Dom0. The reservation needs to be done Thanks for your correction. Actually I'm also afraid I may not find a correct place where I want to go indeed since I'm not familiar this process. > when guest memory gets populated (and its E820 constructed). Could you hint me where this action is covered? Thanks Tiejun