From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH v3 for-4.5 2/9] xen: arm: Implement variable levels in dump_pt_walk Date: Mon, 22 Sep 2014 15:33:51 +0100 Message-ID: <5420334F.2020703@linaro.org> References: <1410998960.1920.2.camel@citrix.com> <1410998995-27449-2-git-send-email-ian.campbell@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1410998995-27449-2-git-send-email-ian.campbell@citrix.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: Ian Campbell , xen-devel@lists.xen.org Cc: tim@xen.org, vijay.kilari@gmail.com, stefano.stabellini@eu.citrix.com List-Id: xen-devel@lists.xenproject.org Hi Ian, On 09/18/2014 01:09 AM, Ian Campbell wrote: > This allows us to correctly dump 64-bit hypervisor addresses, which use a 4 > level table. > > It also paves the way for boot-time selection of the number of levels to use in > the p2m, which is required to support both 40-bit and 48-bit systems. > > To support multiple levels it is convenient to recast the page table walk as a > loop over the levels instead of the current open coding. > > Signed-off-by: Ian Campbell Reviewed-by: Julien Grall Regards, -- Julien Grall