Hi Paul,

On 10/19/2017 01:58 PM, Paul Durrant wrote:
-----Original Message-----
From: Julien Grall [mailto:julien.gr...@linaro.org]
Sent: 19 October 2017 13:31
To: Paul Durrant <paul.durr...@citrix.com>; xen-de...@lists.xenproject.org
Cc: Stefano Stabellini <sstabell...@kernel.org>; Wei Liu
<wei.l...@citrix.com>; Konrad Rzeszutek Wilk <konrad.w...@oracle.com>;
George Dunlap <george.dun...@citrix.com>; Andrew Cooper
<andrew.coop...@citrix.com>; Ian Jackson <ian.jack...@citrix.com>; Tim
(Xen.org) <t...@xen.org>; Jan Beulich <jbeul...@suse.com>
Subject: Re: [Xen-devel] [PATCH v12 06/11] x86/hvm/ioreq: add a new
mappable resource type...

Hi,

On 17/10/17 14:24, Paul Durrant wrote:
diff --git a/xen/common/memory.c b/xen/common/memory.c
index cdd2e030cf..b27a71c4f1 100644
--- a/xen/common/memory.c
+++ b/xen/common/memory.c
@@ -1011,6 +1011,11 @@ static int acquire_resource(

       switch ( xmar.type )
       {
+    case XENMEM_resource_ioreq_server:
+        rc = xenmem_acquire_ioreq_server(d, xmar.id, xmar.frame,
+                                         xmar.nr_frames, mfn_list);
+        break;

I fully appreciate you are not able to test on x86. However, I would
have expected you to at least build test it.


I don't actually know how to set up cross-compilation, which is why I'd 
originally #ifdef-ed this.

It is quite trivial. See https://wiki.xenproject.org/wiki/Xen_ARM_with_Virtualization_Extensions#Cross_Compiling

--
Julien Grall

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