[PATCH 2/17] Change P2P domain flags

[Han, Weidong]

Signed-off-by: Weidong Han <[EMAIL PROTECTED]>
---
 drivers/pci/intel-iommu.c |    8 +++++---
 1 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/drivers/pci/intel-iommu.c b/drivers/pci/intel-iommu.c
index 1eb482a..4dd35cb 100644
--- a/drivers/pci/intel-iommu.c
+++ b/drivers/pci/intel-iommu.c
@@ -200,6 +200,9 @@ static inline bool dma_pte_present(struct dma_pte *pte)
        return (pte->val & 3) != 0;
 }
 
+/* devices under the same p2p bridge are owned in one domain */
+#define DOMAIN_FLAG_P2P_MULTIPLE_DEVICES (1 < 0)
+
 struct dmar_domain {
        int     id;                     /* domain id */
        struct intel_iommu *iommu;      /* back pointer to owning iommu */
@@ -214,8 +217,7 @@ struct dmar_domain {
        /* adjusted guest address width, 0 is level 2 30-bit */
        int             agaw;
 
-#define DOMAIN_FLAG_MULTIPLE_DEVICES 1
-       int             flags;
+       int             flags;          /* flags to find out type of domain */
 };
 
 /* PCI domain-device relationship */
@@ -1574,7 +1576,7 @@ static struct dmar_domain *get_domain_for_dev(struct 
pci_dev *pdev, int gaw)
                info->dev = NULL;
                info->domain = domain;
                /* This domain is shared by devices under p2p bridge */
-               domain->flags |= DOMAIN_FLAG_MULTIPLE_DEVICES;
+               domain->flags |= DOMAIN_FLAG_P2P_MULTIPLE_DEVICES;
 
                /* pcie-to-pci bridge already has a domain, uses it */
                found = NULL;
-- 
1.6.0.4

0002-change-P2P-domain-flags.patch
Description: 0002-change-P2P-domain-flags.patch