From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ian Campbell Subject: Re: [RFC 03/22] xen/arm: gic-v3: Fix the distributor region to 64kB Date: Fri, 5 Jun 2015 13:14:08 +0100 Message-ID: <1433506448.7108.242.camel@citrix.com> References: <1431091783-29090-1-git-send-email-julien.grall@citrix.com> <1431091783-29090-4-git-send-email-julien.grall@citrix.com> Mime-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit Return-path: Received: from mail6.bemta5.messagelabs.com ([195.245.231.135]) by lists.xen.org with esmtp (Exim 4.72) (envelope-from ) id 1Z0qWK-0001bc-J0 for xen-devel@lists.xenproject.org; Fri, 05 Jun 2015 12:14:44 +0000 In-Reply-To: <1431091783-29090-4-git-send-email-julien.grall@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: Julien Grall Cc: xen-devel@lists.xenproject.org, tim@xen.org, stefano.stabellini@citrix.com List-Id: xen-devel@lists.xenproject.org On Fri, 2015-05-08 at 14:29 +0100, Julien Grall wrote: > On GICv3, the default size of the distributor region is 64kB. This > region can be extended But never shrunk, correct? Would a sanity check during parsing be worthwhile? > to provide an implementation defined set of > pages containing additional aliases for MSI. Although, the GICv3 driver > only access to register within the default distributor region. "only accesses registers within". > > Futhermore, our vGIC driver implementation don't support the extended "Furthermore" and "doesn't support" > distributor. Therefore there is no reason to claim it to DOM0. I think I would say "expose" or "map" rather than claim? > Finally drop the field dbase_size which is not useful anymore. > > Signed-off-by: Julien Grall With the typoes fixed: Acked-by: Ian Campbell