6 files changed, 30 insertions, 13 deletions
diff --git a/include/linux/dma_remapping.h b/include/linux/dma_remapping.h
index 57c9a8ae4f2d..7ac17f57250e 100644
--- a/include/linux/dma_remapping.h
+++ b/include/linux/dma_remapping.h
@@ -27,7 +27,6 @@ struct root_entry;
 
 
 #ifdef CONFIG_INTEL_IOMMU
-extern void free_dmar_iommu(struct intel_iommu *iommu);
 extern int iommu_calculate_agaw(struct intel_iommu *iommu);
 extern int iommu_calculate_max_sagaw(struct intel_iommu *iommu);
 extern int dmar_disabled;
@@ -41,9 +40,6 @@ static inline int iommu_calculate_max_sagaw(struct intel_iommu *iommu)
 {
 	return 0;
 }
-static inline void free_dmar_iommu(struct intel_iommu *iommu)
-{
-}
 #define dmar_disabled	(1)
 #define intel_iommu_enabled (0)
 #endif
diff --git a/include/linux/dmar.h b/include/linux/dmar.h
index b029d1aa2d12..eccb0c0c6cf6 100644
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@@ -33,6 +33,7 @@ struct acpi_dmar_header;
 #define DMAR_X2APIC_OPT_OUT	0x2
 
 struct intel_iommu;
+
 #ifdef CONFIG_DMAR_TABLE
 extern struct acpi_table_header *dmar_tbl;
 struct dmar_drhd_unit {
@@ -52,6 +53,10 @@ extern struct list_head dmar_drhd_units;
 #define for_each_drhd_unit(drhd) \
 	list_for_each_entry(drhd, &dmar_drhd_units, list)
 
+#define for_each_active_drhd_unit(drhd)					\
+	list_for_each_entry(drhd, &dmar_drhd_units, list)		\
+		if (drhd->ignored) {} else
+
 #define for_each_active_iommu(i, drhd)					\
 	list_for_each_entry(drhd, &dmar_drhd_units, list)		\
 		if (i=drhd->iommu, drhd->ignored) {} else
@@ -62,13 +67,13 @@ extern struct list_head dmar_drhd_units;
 
 extern int dmar_table_init(void);
 extern int dmar_dev_scope_init(void);
+extern int dmar_parse_dev_scope(void *start, void *end, int *cnt,
+				struct pci_dev ***devices, u16 segment);
+extern void dmar_free_dev_scope(struct pci_dev ***devices, int *cnt);
 
 /* Intel IOMMU detection */
 extern int detect_intel_iommu(void);
 extern int enable_drhd_fault_handling(void);
-
-extern int parse_ioapics_under_ir(void);
-extern int alloc_iommu(struct dmar_drhd_unit *);
 #else
 static inline int detect_intel_iommu(void)
 {
@@ -157,8 +162,6 @@ struct dmar_atsr_unit {
 int dmar_parse_rmrr_atsr_dev(void);
 extern int dmar_parse_one_rmrr(struct acpi_dmar_header *header);
 extern int dmar_parse_one_atsr(struct acpi_dmar_header *header);
-extern int dmar_parse_dev_scope(void *start, void *end, int *cnt,
-				struct pci_dev ***devices, u16 segment);
 extern int intel_iommu_init(void);
 #else /* !CONFIG_INTEL_IOMMU: */
 static inline int intel_iommu_init(void) { return -ENODEV; }
diff --git a/include/linux/intel-iommu.h b/include/linux/intel-iommu.h
index d380c5e68008..2c4bed593b32 100644
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@@ -288,6 +288,7 @@ struct q_inval {
 
 struct ir_table {
 	struct irte *base;
+	unsigned long *bitmap;
 };
 #endif
 
@@ -347,8 +348,6 @@ static inline void __iommu_flush_cache(
 extern struct dmar_drhd_unit * dmar_find_matched_drhd_unit(struct pci_dev *dev);
 extern int dmar_find_matched_atsr_unit(struct pci_dev *dev);
 
-extern int alloc_iommu(struct dmar_drhd_unit *drhd);
-extern void free_iommu(struct intel_iommu *iommu);
 extern int dmar_enable_qi(struct intel_iommu *iommu);
 extern void dmar_disable_qi(struct intel_iommu *iommu);
 extern int dmar_reenable_qi(struct intel_iommu *iommu);
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 709a697c4e02..b96a5b2136e4 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -248,6 +248,11 @@ static inline struct iommu_domain *iommu_domain_alloc(struct bus_type *bus)
 	return NULL;
 }
 
+static inline struct iommu_group *iommu_group_get_by_id(int id)
+{
+	return NULL;
+}
+
 static inline void iommu_domain_free(struct iommu_domain *domain)
 {
 }
@@ -292,8 +297,8 @@ static inline phys_addr_t iommu_iova_to_phys(struct iommu_domain *domain, dma_ad
 	return 0;
 }
 
-static inline int domain_has_cap(struct iommu_domain *domain,
-				 unsigned long cap)
+static inline int iommu_domain_has_cap(struct iommu_domain *domain,
+				       unsigned long cap)
 {
 	return 0;
 }
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 939428ad25ac..8e3e66ac0a52 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -24,6 +24,11 @@ extern int rtnl_trylock(void);
 extern int rtnl_is_locked(void);
 #ifdef CONFIG_PROVE_LOCKING
 extern int lockdep_rtnl_is_held(void);
+#else
+static inline int lockdep_rtnl_is_held(void)
+{
+	return 1;
+}
 #endif /* #ifdef CONFIG_PROVE_LOCKING */
 
 /**
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index 215b5ea1cb30..6f69b3f914fb 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1638,6 +1638,11 @@ static inline void skb_set_mac_header(struct sk_buff *skb, const int offset)
 	skb->mac_header += offset;
 }
 
+static inline void skb_pop_mac_header(struct sk_buff *skb)
+{
+	skb->mac_header = skb->network_header;
+}
+
 static inline void skb_probe_transport_header(struct sk_buff *skb,
 					      const int offset_hint)
 {
@@ -2526,6 +2531,10 @@ static inline void sw_tx_timestamp(struct sk_buff *skb)
  * Ethernet MAC Drivers should call this function in their hard_xmit()
  * function immediately before giving the sk_buff to the MAC hardware.
  *
+ * Specifically, one should make absolutely sure that this function is
+ * called before TX completion of this packet can trigger.  Otherwise
+ * the packet could potentially already be freed.
+ *
  * @skb: A socket buffer.
  */
 static inline void skb_tx_timestamp(struct sk_buff *skb)