From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [PATCH 1/5] xen: arm: propagate gic's #address-cells property to dom0. Date: Wed, 29 Oct 2014 19:03:36 +0000 Message-ID: <54513A08.3000908@linaro.org> References: <1414144694.15687.31.camel@citrix.com> <1414144717-32328-1-git-send-email-ian.campbell@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii"; Format="flowed" Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <1414144717-32328-1-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: Clark Laughlin , Pranavkumar Sawargaonkar , tim@xen.org, stefano.stabellini@eu.citrix.com List-Id: xen-devel@lists.xenproject.org Hi Ian, On 24/10/2014 10:58, Ian Campbell wrote: > The interrupt-map property requires that the interrupt-parent node > must have both #address-cells and #interrupt-cells properties (see > ePAPR 2.4.3.1). Therefore propagate the property if it is present. > > We must propagate (rather than invent our own value) since this value > is used to size fields within other properties within the tree. > > ePAPR strictly speaking requires that the interrupt-parent node > always has these properties. However reality has diverged from this > and implementations will recursively search parents for #*-cells > properties. Hence we only copy if it is present. > > Signed-off-by: Ian Campbell Reviewed-by: Julien Grall Without this patch I can't boot Xen on the Foundation model with GIC-v3. Is it possible to push this patch for Xen 4.5 rc1? Regards, -- Julien Grall