[Xen-devel] [PATCH v4 24/33] xen/iommu: arm: Wire iommu DOMCTL for ARM

[Julien Grall <julien.grall@xxxxxxxxxx>]

Signed-off-by: Julien Grall <julien.grall@xxxxxxxxxx>
Acked-by: Stefano Stabellini <stefano.stabellini@xxxxxxxxxxxxx>
Acked-by: Ian Campbell <ian.campbell@xxxxxxxxxx>

---
    Changes in v4:
        - Add Ian's ack

    Changes in v3:
        - Add Stefano's ack

    Changes in v2:
        - Don't move the call in common code.
---
 xen/arch/arm/domctl.c | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/xen/arch/arm/domctl.c b/xen/arch/arm/domctl.c
index f5d5a10..fab9ff7 100644
--- a/xen/arch/arm/domctl.c
+++ b/xen/arch/arm/domctl.c
@@ -97,7 +97,16 @@ long arch_do_domctl(struct xen_domctl *domctl, struct domain 
*d,
         return 0;
     }
     default:
-        return subarch_do_domctl(domctl, d, u_domctl);
+    {
+        int rc;
+
+        rc = subarch_do_domctl(domctl, d, u_domctl);
+
+        if ( rc == -ENOSYS )
+            rc = iommu_do_domctl(domctl, d, u_domctl);
+
+        return rc;
+    }
     }
 }
 
-- 
2.1.4


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