Re: [Xen-devel] [PATCH 03/16] xen/passthrough: extend hypercall to support rdm reservation policy

["Chen, Tiejun" <tiejun.chen@xxxxxxxxx>]

> Tiejun, please can you send a patch to fix this up.  Please send just
> a revised version of this patch.  I think the rest of the series will
> rebase just fine on top of it.  (If I'm wrong then we will need to do
> something more complex.)
Sorry to this.


    On ARM side the flag field doesn't take any affect.

    Signed-off-by: Tiejun Chen <tiejun.chen@xxxxxxxxx>

diff --git a/xen/drivers/passthrough/arm/smmu.c 
b/xen/drivers/passthrough/arm/smmu.c
index 9a667e9..b62c8cf 100644
--- a/xen/drivers/passthrough/arm/smmu.c
+++ b/xen/drivers/passthrough/arm/smmu.c
@@ -2709,7 +2709,8 @@ static int arm_smmu_reassign_dev(struct domain *s, 
struct domain *t,
                return ret;

        if (t) {
-               ret = arm_smmu_assign_dev(t, devfn, dev);
+               /* The flag field doesn't matter to DT device. */
+               ret = arm_smmu_assign_dev(t, devfn, dev, 0);
                if (ret)
                        return ret;
        }


Thanks
Tiejun


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