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Re: [Xen-devel] [v3][PATCH 04/16] xen/passthrough: extend hypercall to support rdm reservation policy



On 2015/6/12 17:20, Chen, Tiejun wrote:
On 2015/6/12 16:45, Jan Beulich wrote:
On 12.06.15 at 08:31, <tiejun.chen@xxxxxxxxx> wrote:
On 2015/6/11 17:28, Tian, Kevin wrote:
From: Chen, Tiejun
Sent: Thursday, June 11, 2015 9:15 AM
@@ -1940,7 +1942,8 @@ static int intel_iommu_remove_device(u8
devfn, struct pci_dev
*pdev)
                PCI_DEVFN2(bdf) != devfn )
               continue;

-        rmrr_identity_mapping(pdev->domain, 0, rmrr);
+        rmrr_identity_mapping(pdev->domain, 0, rmrr,
+                              XEN_DOMCTL_DEV_RDM_RELAXED);

ditto

It doesn't matter when we're trying to remove a device since we don't
care this flag.

In such a case it helps to add a brief comment saying that the precise
value passed is irrelevant. Or maybe this could be expressed by

Okay.

Just let me go this simple way now.

Thanks
Tiejun

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