From mboxrd@z Thu Jan 1 00:00:00 1970 From: Andrew Cooper Subject: Re: [PATCH v2 4/4] libxc: set flag for support of linear p2m list in domain builder Date: Tue, 15 Dec 2015 11:57:08 +0000 Message-ID: <56700014.4090404@citrix.com> References: <1450161239-6120-1-git-send-email-jgross@suse.com> <1450161239-6120-5-git-send-email-jgross@suse.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1450161239-6120-5-git-send-email-jgross@suse.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: Juergen Gross , xen-devel@lists.xen.org, Ian.Campbell@citrix.com, ian.jackson@eu.citrix.com, stefano.stabellini@eu.citrix.com, wei.liu2@citrix.com List-Id: xen-devel@lists.xenproject.org On 15/12/15 06:33, Juergen Gross wrote: > Set the SIF_VIRT_P2M_4TOOLS flag for pv-domUs in the domain builder > to indicate the Xen tools have full support for the virtual mapped > linear p2m list. > > This will enable pv-domUs to drop support of the 3 level p2m tree > and use the linear list only. Without setting this flag some kernels > might limit themselves to 512 GB memory size in order not to break > migration. > > Signed-off-by: Juergen Gross Reviewed-by: Andrew Cooper