From mboxrd@z Thu Jan 1 00:00:00 1970 From: Julien Grall Subject: Re: [RFC 09/14] xen/xsm: flask: MSI is PCI specific Date: Thu, 13 Mar 2014 14:40:12 +0000 Message-ID: <5321C34C.9080803@linaro.org> References: <1394640969-25583-1-git-send-email-julien.grall@linaro.org> <1394640969-25583-10-git-send-email-julien.grall@linaro.org> <5321C1D8.6080306@tycho.nsa.gov> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta14.messagelabs.com ([193.109.254.103]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1WO6nw-00071c-Sm for xen-devel@lists.xenproject.org; Thu, 13 Mar 2014 14:40:17 +0000 Received: by mail-wg0-f47.google.com with SMTP id x12so934017wgg.6 for ; Thu, 13 Mar 2014 07:40:15 -0700 (PDT) In-Reply-To: <5321C1D8.6080306@tycho.nsa.gov> List-Unsubscribe: , List-Post: List-Help: List-Subscribe: , Sender: xen-devel-bounces@lists.xen.org Errors-To: xen-devel-bounces@lists.xen.org To: Daniel De Graaf Cc: xen-devel@lists.xenproject.org, tim@xen.org, ian.campbell@citrix.com, stefano.stabellini@citrix.com List-Id: xen-devel@lists.xenproject.org Hello Daniel, Thanks for your review. On 03/13/2014 02:34 PM, Daniel De Graaf wrote: > On 03/12/2014 12:16 PM, Julien Grall wrote: >> MSI is not yet support on ARM and will break the compilation when >> XSM_ENABLE=y. >> >> Signed-off-by: Julien Grall >> Cc: Daniel De Graaf > > I am assuming that IRQs on ARM are generally allocated in a static > manner for > a given board, so that a security policy based on their numeric values > would > be effective. If IRQs above nr_static_irqs are dynamic as on x86, it may be > necessary to resolve them in some way. Since this resolution would > naturally > be split into a separate patch, in either case this patch is Right, nr_static_irqs is set to 1024 on ARM. For now every IRQs, are not higher than this number. Regards, -- Julien Grall