Merge commit '9f12600fe425bc28f0ccba034a77783c09c15af4' into for-linus

Backmerge of dcache.c changes from mainline.  It's that, or complete
rebase...

Conflicts:
	fs/splice.c

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

31 files changed, 178 insertions, 50 deletions

diff --git a/include/asm-generic/resource.h b/include/asm-generic/resource.h
index b4ea8f5..5e752b9 100644
--- a/include/asm-generic/resource.h
+++ b/include/asm-generic/resource.h
@@ -12,7 +12,7 @@
 	[RLIMIT_CPU]		= {  RLIM_INFINITY,  RLIM_INFINITY },	\
 	[RLIMIT_FSIZE]		= {  RLIM_INFINITY,  RLIM_INFINITY },	\
 	[RLIMIT_DATA]		= {  RLIM_INFINITY,  RLIM_INFINITY },	\
-	[RLIMIT_STACK]		= {       _STK_LIM,   _STK_LIM_MAX },	\
+	[RLIMIT_STACK]		= {       _STK_LIM,  RLIM_INFINITY },	\
 	[RLIMIT_CORE]		= {              0,  RLIM_INFINITY },	\
 	[RLIMIT_RSS]		= {  RLIM_INFINITY,  RLIM_INFINITY },	\
 	[RLIMIT_NPROC]		= {              0,              0 },	\
diff --git a/include/drm/drm_pciids.h b/include/drm/drm_pciids.h
index 49376ae..6dfd64b 100644
--- a/include/drm/drm_pciids.h
+++ b/include/drm/drm_pciids.h
@@ -637,6 +637,22 @@
 	{0x1002, 0x983d, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x983e, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x983f, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_KABINI|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9850, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9851, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9852, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9853, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9854, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9855, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9856, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9857, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9858, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x9859, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x985A, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x985B, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x985C, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x985D, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x985E, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
+	{0x1002, 0x985F, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_MULLINS|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9900, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9901, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
 	{0x1002, 0x9903, PCI_ANY_ID, PCI_ANY_ID, 0, 0, CHIP_ARUBA|RADEON_IS_MOBILITY|RADEON_NEW_MEMMAP|RADEON_IS_IGP}, \
diff --git a/include/drm/i915_pciids.h b/include/drm/i915_pciids.h
index 940ece4..012d58f 100644
--- a/include/drm/i915_pciids.h
+++ b/include/drm/i915_pciids.h
@@ -191,8 +191,8 @@
 	INTEL_VGA_DEVICE(0x0A06, info), /* ULT GT1 mobile */ \
 	INTEL_VGA_DEVICE(0x0A16, info), /* ULT GT2 mobile */ \
 	INTEL_VGA_DEVICE(0x0A26, info), /* ULT GT3 mobile */ \
-	INTEL_VGA_DEVICE(0x0A0E, info), /* ULT GT1 reserved */ \
-	INTEL_VGA_DEVICE(0x0A1E, info), /* ULT GT2 reserved */ \
+	INTEL_VGA_DEVICE(0x0A0E, info), /* ULX GT1 mobile */ \
+	INTEL_VGA_DEVICE(0x0A1E, info), /* ULX GT2 mobile */ \
 	INTEL_VGA_DEVICE(0x0A2E, info), /* ULT GT3 reserved */ \
 	INTEL_VGA_DEVICE(0x0D06, info), /* CRW GT1 mobile */ \
 	INTEL_VGA_DEVICE(0x0D16, info), /* CRW GT2 mobile */ \
diff --git a/include/dt-bindings/clk/at91.h b/include/dt-bindings/clock/at91.h
index 0b4cb99..0b4cb99 100644
--- a/include/dt-bindings/clk/at91.h
+++ b/include/dt-bindings/clock/at91.h
diff --git a/include/linux/amba/bus.h b/include/linux/amba/bus.h
index 63b5eff..fdd7e1b 100644
--- a/include/linux/amba/bus.h
+++ b/include/linux/amba/bus.h
@@ -47,6 +47,7 @@ struct amba_driver {
 enum amba_vendor {
 	AMBA_VENDOR_ARM = 0x41,
 	AMBA_VENDOR_ST = 0x80,
+	AMBA_VENDOR_QCOM = 0x51,
 };
 
 extern struct bus_type amba_bustype;
diff --git a/include/linux/cgroup.h b/include/linux/cgroup.h
index c251585..d60904b 100644
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@@ -473,6 +473,7 @@ struct cftype {
 };
 
 extern struct cgroup_root cgrp_dfl_root;
+extern struct css_set init_css_set;
 
 static inline bool cgroup_on_dfl(const struct cgroup *cgrp)
 {
@@ -700,6 +701,20 @@ static inline struct cgroup_subsys_state *task_css(struct task_struct *task,
 	return task_css_check(task, subsys_id, false);
 }
 
+/**
+ * task_css_is_root - test whether a task belongs to the root css
+ * @task: the target task
+ * @subsys_id: the target subsystem ID
+ *
+ * Test whether @task belongs to the root css on the specified subsystem.
+ * May be invoked in any context.
+ */
+static inline bool task_css_is_root(struct task_struct *task, int subsys_id)
+{
+	return task_css_check(task, subsys_id, true) ==
+		init_css_set.subsys[subsys_id];
+}
+
 static inline struct cgroup *task_cgroup(struct task_struct *task,
 					 int subsys_id)
 {
diff --git a/include/linux/dmaengine.h b/include/linux/dmaengine.h
index 8300fb8..72cb0dd 100644
--- a/include/linux/dmaengine.h
+++ b/include/linux/dmaengine.h
@@ -429,6 +429,7 @@ typedef bool (*dma_filter_fn)(struct dma_chan *chan, void *filter_param);
 typedef void (*dma_async_tx_callback)(void *dma_async_param);
 
 struct dmaengine_unmap_data {
+	u8 map_cnt;
 	u8 to_cnt;
 	u8 from_cnt;
 	u8 bidi_cnt;
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 7c8b20b1..a9a53b1 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -56,6 +56,7 @@ struct macvlan_dev {
 	int			numqueues;
 	netdev_features_t	tap_features;
 	int			minor;
+	int			nest_level;
 };
 
 static inline void macvlan_count_rx(const struct macvlan_dev *vlan,
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 13bbbde..b2acc4a 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -73,7 +73,7 @@ static inline struct vlan_ethhdr *vlan_eth_hdr(const struct sk_buff *skb)
 /* found in socket.c */
 extern void vlan_ioctl_set(int (*hook)(struct net *, void __user *));
 
-static inline int is_vlan_dev(struct net_device *dev)
+static inline bool is_vlan_dev(struct net_device *dev)
 {
         return dev->priv_flags & IFF_802_1Q_VLAN;
 }
@@ -159,6 +159,7 @@ struct vlan_dev_priv {
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	struct netpoll				*netpoll;
 #endif
+	unsigned int				nest_level;
 };
 
 static inline struct vlan_dev_priv *vlan_dev_priv(const struct net_device *dev)
@@ -197,6 +198,12 @@ extern void vlan_vids_del_by_dev(struct net_device *dev,
 				 const struct net_device *by_dev);
 
 extern bool vlan_uses_dev(const struct net_device *dev);
+
+static inline int vlan_get_encap_level(struct net_device *dev)
+{
+	BUG_ON(!is_vlan_dev(dev));
+	return vlan_dev_priv(dev)->nest_level;
+}
 #else
 static inline struct net_device *
 __vlan_find_dev_deep(struct net_device *real_dev,
@@ -263,6 +270,11 @@ static inline bool vlan_uses_dev(const struct net_device *dev)
 {
 	return false;
 }
+static inline int vlan_get_encap_level(struct net_device *dev)
+{
+	BUG();
+	return 0;
+}
 #endif
 
 static inline bool vlan_hw_offload_capable(netdev_features_t features,
@@ -483,4 +495,5 @@ static inline void vlan_set_encap_proto(struct sk_buff *skb,
 		 */
 		skb->protocol = htons(ETH_P_802_2);
 }
+
 #endif /* !(_LINUX_IF_VLAN_H_) */
diff --git a/include/linux/interrupt.h b/include/linux/interrupt.h
index 97ac926..051c850 100644
--- a/include/linux/interrupt.h
+++ b/include/linux/interrupt.h
@@ -272,6 +272,11 @@ static inline int irq_set_affinity(unsigned int irq, const struct cpumask *m)
 	return -EINVAL;
 }
 
+static inline int irq_force_affinity(unsigned int irq, const struct cpumask *cpumask)
+{
+	return 0;
+}
+
 static inline int irq_can_set_affinity(unsigned int irq)
 {
 	return 0;
diff --git a/include/linux/kernfs.h b/include/linux/kernfs.h
index b0122dc..ca1be5c 100644
--- a/include/linux/kernfs.h
+++ b/include/linux/kernfs.h
@@ -50,7 +50,24 @@ enum kernfs_node_flag {
 
 /* @flags for kernfs_create_root() */
 enum kernfs_root_flag {
-	KERNFS_ROOT_CREATE_DEACTIVATED = 0x0001,
+	/*
+	 * kernfs_nodes are created in the deactivated state and invisible.
+	 * They require explicit kernfs_activate() to become visible.  This
+	 * can be used to make related nodes become visible atomically
+	 * after all nodes are created successfully.
+	 */
+	KERNFS_ROOT_CREATE_DEACTIVATED		= 0x0001,
+
+	/*
+	 * For regular flies, if the opener has CAP_DAC_OVERRIDE, open(2)
+	 * succeeds regardless of the RW permissions.  sysfs had an extra
+	 * layer of enforcement where open(2) fails with -EACCES regardless
+	 * of CAP_DAC_OVERRIDE if the permission doesn't have the
+	 * respective read or write access at all (none of S_IRUGO or
+	 * S_IWUGO) or the respective operation isn't implemented.  The
+	 * following flag enables that behavior.
+	 */
+	KERNFS_ROOT_EXTRA_OPEN_PERM_CHECK	= 0x0002,
 };
 
 /* type-specific structures for kernfs_node union members */
diff --git a/include/linux/linkage.h b/include/linux/linkage.h
index 34a513a..a6a42dd 100644
--- a/include/linux/linkage.h
+++ b/include/linux/linkage.h
@@ -12,9 +12,9 @@
 #endif
 
 #ifdef __cplusplus
-#define CPP_ASMLINKAGE extern "C" __visible
+#define CPP_ASMLINKAGE extern "C"
 #else
-#define CPP_ASMLINKAGE __visible
+#define CPP_ASMLINKAGE
 #endif
 
 #ifndef asmlinkage
diff --git a/include/linux/mfd/rtsx_common.h b/include/linux/mfd/rtsx_common.h
index 7c36cc5..443176e 100644
--- a/include/linux/mfd/rtsx_common.h
+++ b/include/linux/mfd/rtsx_common.h
@@ -45,7 +45,6 @@ struct platform_device;
 struct rtsx_slot {
 	struct platform_device	*p_dev;
 	void			(*card_event)(struct platform_device *p_dev);
-	void			(*done_transfer)(struct platform_device *p_dev);
 };
 
 #endif
diff --git a/include/linux/mfd/rtsx_pci.h b/include/linux/mfd/rtsx_pci.h
index 8d6bbd6..a383597 100644
--- a/include/linux/mfd/rtsx_pci.h
+++ b/include/linux/mfd/rtsx_pci.h
@@ -943,12 +943,6 @@ void rtsx_pci_send_cmd_no_wait(struct rtsx_pcr *pcr);
 int rtsx_pci_send_cmd(struct rtsx_pcr *pcr, int timeout);
 int rtsx_pci_transfer_data(struct rtsx_pcr *pcr, struct scatterlist *sglist,
 		int num_sg, bool read, int timeout);
-int rtsx_pci_dma_map_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,
-		int num_sg, bool read);
-int rtsx_pci_dma_unmap_sg(struct rtsx_pcr *pcr, struct scatterlist *sglist,
-		int num_sg, bool read);
-int rtsx_pci_dma_transfer(struct rtsx_pcr *pcr, struct scatterlist *sglist,
-		int sg_count, bool read);
 int rtsx_pci_read_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len);
 int rtsx_pci_write_ppbuf(struct rtsx_pcr *pcr, u8 *buf, int buf_len);
 int rtsx_pci_card_pull_ctl_enable(struct rtsx_pcr *pcr, int card);
diff --git a/include/linux/mlx4/qp.h b/include/linux/mlx4/qp.h
index b66e761..7040dc9 100644
--- a/include/linux/mlx4/qp.h
+++ b/include/linux/mlx4/qp.h
@@ -421,6 +421,17 @@ struct mlx4_wqe_inline_seg {
 	__be32			byte_count;
 };
 
+enum mlx4_update_qp_attr {
+	MLX4_UPDATE_QP_SMAC		= 1 << 0,
+};
+
+struct mlx4_update_qp_params {
+	u8	smac_index;
+};
+
+int mlx4_update_qp(struct mlx4_dev *dev, struct mlx4_qp *qp,
+		   enum mlx4_update_qp_attr attr,
+		   struct mlx4_update_qp_params *params);
 int mlx4_qp_modify(struct mlx4_dev *dev, struct mlx4_mtt *mtt,
 		   enum mlx4_qp_state cur_state, enum mlx4_qp_state new_state,
 		   struct mlx4_qp_context *context, enum mlx4_qp_optpar optpar,
diff --git a/include/linux/net.h b/include/linux/net.h
index 94734a6..17d8339 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -248,24 +248,17 @@ do {								\
 bool __net_get_random_once(void *buf, int nbytes, bool *done,
 			   struct static_key *done_key);
 
-#ifdef HAVE_JUMP_LABEL
-#define ___NET_RANDOM_STATIC_KEY_INIT ((struct static_key) \
-		{ .enabled = ATOMIC_INIT(0), .entries = (void *)1 })
-#else /* !HAVE_JUMP_LABEL */
-#define ___NET_RANDOM_STATIC_KEY_INIT STATIC_KEY_INIT_FALSE
-#endif /* HAVE_JUMP_LABEL */
-
 #define net_get_random_once(buf, nbytes)				\
 	({								\
 		bool ___ret = false;					\
 		static bool ___done = false;				\
-		static struct static_key ___done_key =			\
-			___NET_RANDOM_STATIC_KEY_INIT;			\
-		if (!static_key_true(&___done_key))			\
+		static struct static_key ___once_key =			\
+			STATIC_KEY_INIT_TRUE;				\
+		if (static_key_true(&___once_key))			\
 			___ret = __net_get_random_once(buf,		\
 						       nbytes,		\
 						       &___done,	\
-						       &___done_key);	\
+						       &___once_key);	\
 		___ret;							\
 	})
 
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 7ed3a3a..b42d07b 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1144,6 +1144,7 @@ struct net_device_ops {
 	netdev_tx_t		(*ndo_dfwd_start_xmit) (struct sk_buff *skb,
 							struct net_device *dev,
 							void *priv);
+	int			(*ndo_get_lock_subclass)(struct net_device *dev);
 };
 
 /**
@@ -2950,7 +2951,12 @@ static inline void netif_addr_lock(struct net_device *dev)
 
 static inline void netif_addr_lock_nested(struct net_device *dev)
 {
-	spin_lock_nested(&dev->addr_list_lock, SINGLE_DEPTH_NESTING);
+	int subclass = SINGLE_DEPTH_NESTING;
+
+	if (dev->netdev_ops->ndo_get_lock_subclass)
+		subclass = dev->netdev_ops->ndo_get_lock_subclass(dev);
+
+	spin_lock_nested(&dev->addr_list_lock, subclass);
 }
 
 static inline void netif_addr_lock_bh(struct net_device *dev)
@@ -3050,10 +3056,19 @@ extern int		weight_p;
 extern int		bpf_jit_enable;
 
 bool netdev_has_upper_dev(struct net_device *dev, struct net_device *upper_dev);
+struct net_device *netdev_upper_get_next_dev_rcu(struct net_device *dev,
+						     struct list_head **iter);
 struct net_device *netdev_all_upper_get_next_dev_rcu(struct net_device *dev,
 						     struct list_head **iter);
 
 /* iterate through upper list, must be called under RCU read lock */
+#define netdev_for_each_upper_dev_rcu(dev, updev, iter) \
+	for (iter = &(dev)->adj_list.upper, \
+	     updev = netdev_upper_get_next_dev_rcu(dev, &(iter)); \
+	     updev; \
+	     updev = netdev_upper_get_next_dev_rcu(dev, &(iter)))
+
+/* iterate through upper list, must be called under RCU read lock */
 #define netdev_for_each_all_upper_dev_rcu(dev, updev, iter) \
 	for (iter = &(dev)->all_adj_list.upper, \
 	     updev = netdev_all_upper_get_next_dev_rcu(dev, &(iter)); \
@@ -3077,6 +3092,14 @@ void *netdev_lower_get_next_private_rcu(struct net_device *dev,
 	     priv; \
 	     priv = netdev_lower_get_next_private_rcu(dev, &(iter)))
 
+void *netdev_lower_get_next(struct net_device *dev,
+				struct list_head **iter);
+#define netdev_for_each_lower_dev(dev, ldev, iter) \
+	for (iter = &(dev)->adj_list.lower, \
+	     ldev = netdev_lower_get_next(dev, &(iter)); \
+	     ldev; \
+	     ldev = netdev_lower_get_next(dev, &(iter)))
+
 void *netdev_adjacent_get_private(struct list_head *adj_list);
 void *netdev_lower_get_first_private_rcu(struct net_device *dev);
 struct net_device *netdev_master_upper_dev_get(struct net_device *dev);
@@ -3092,6 +3115,8 @@ void netdev_upper_dev_unlink(struct net_device *dev,
 void netdev_adjacent_rename_links(struct net_device *dev, char *oldname);
 void *netdev_lower_dev_get_private(struct net_device *dev,
 				   struct net_device *lower_dev);
+int dev_get_nest_level(struct net_device *dev,
+		       bool (*type_check)(struct net_device *dev));
 int skb_checksum_help(struct sk_buff *skb);
 struct sk_buff *__skb_gso_segment(struct sk_buff *skb,
 				  netdev_features_t features, bool tx_path);
@@ -3180,12 +3205,7 @@ void netdev_change_features(struct net_device *dev);
 void netif_stacked_transfer_operstate(const struct net_device *rootdev,
 					struct net_device *dev);
 
-netdev_features_t netif_skb_dev_features(struct sk_buff *skb,
-					 const struct net_device *dev);
-static inline netdev_features_t netif_skb_features(struct sk_buff *skb)
-{
-	return netif_skb_dev_features(skb, skb->dev);
-}
+netdev_features_t netif_skb_features(struct sk_buff *skb);
 
 static inline bool net_gso_ok(netdev_features_t features, int gso_type)
 {
diff --git a/include/linux/of.h b/include/linux/of.h
index 3bad8d1..e6f0988 100644
--- a/include/linux/of.h
+++ b/include/linux/of.h
@@ -349,7 +349,7 @@ int of_device_is_stdout_path(struct device_node *dn);
 
 #else /* CONFIG_OF */
 
-static inline const char* of_node_full_name(struct device_node *np)
+static inline const char* of_node_full_name(const struct device_node *np)
 {
 	return "<no-node>";
 }
diff --git a/include/linux/of_mdio.h b/include/linux/of_mdio.h
index 6fe8464..881a7c3 100644
--- a/include/linux/of_mdio.h
+++ b/include/linux/of_mdio.h
@@ -31,7 +31,12 @@ extern struct mii_bus *of_mdio_find_bus(struct device_node *mdio_np);
 #else /* CONFIG_OF */
 static inline int of_mdiobus_register(struct mii_bus *mdio, struct device_node *np)
 {
-	return -ENOSYS;
+	/*
+	 * Fall back to the non-DT function to register a bus.
+	 * This way, we don't have to keep compat bits around in drivers.
+	 */
+
+	return mdiobus_register(mdio);
 }
 
 static inline struct phy_device *of_phy_find_device(struct device_node *phy_np)
diff --git a/include/linux/omap-dma.h b/include/linux/omap-dma.h
index 41a13e7..7944cdc 100644
--- a/include/linux/omap-dma.h
+++ b/include/linux/omap-dma.h
@@ -10,7 +10,7 @@
 
 struct dma_chan;
 
-#if defined(CONFIG_DMA_OMAP) || defined(CONFIG_DMA_OMAP_MODULE)
+#if defined(CONFIG_DMA_OMAP) || (defined(CONFIG_DMA_OMAP_MODULE) && defined(MODULE))
 bool omap_dma_filter_fn(struct dma_chan *, void *);
 #else
 static inline bool omap_dma_filter_fn(struct dma_chan *c, void *d)
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 3356abc..3ef6ea1 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -402,6 +402,8 @@ struct perf_event {
 
 	struct ring_buffer		*rb;
 	struct list_head		rb_entry;
+	unsigned long			rcu_batches;
+	int				rcu_pending;
 
 	/* poll related */
 	wait_queue_head_t		waitq;
diff --git a/include/linux/rtnetlink.h b/include/linux/rtnetlink.h
index 8e3e66a..953937e 100644
--- a/include/linux/rtnetlink.h
+++ b/include/linux/rtnetlink.h
@@ -4,6 +4,7 @@
 
 #include <linux/mutex.h>
 #include <linux/netdevice.h>
+#include <linux/wait.h>
 #include <uapi/linux/rtnetlink.h>
 
 extern int rtnetlink_send(struct sk_buff *skb, struct net *net, u32 pid, u32 group, int echo);
@@ -22,6 +23,10 @@ extern void rtnl_lock(void);
 extern void rtnl_unlock(void);
 extern int rtnl_trylock(void);
 extern int rtnl_is_locked(void);
+
+extern wait_queue_head_t netdev_unregistering_wq;
+extern struct mutex net_mutex;
+
 #ifdef CONFIG_PROVE_LOCKING
 extern int lockdep_rtnl_is_held(void);
 #else
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 25f54c7..221b2bd 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -220,7 +220,7 @@ print_cfs_rq(struct seq_file *m, int cpu, struct cfs_rq *cfs_rq);
 #define TASK_PARKED		512
 #define TASK_STATE_MAX		1024
 
-#define TASK_STATE_TO_CHAR_STR "RSDTtZXxKWP"
+#define TASK_STATE_TO_CHAR_STR "RSDTtXZxKWP"
 
 extern char ___assert_task_state[1 - 2*!!(
 		sizeof(TASK_STATE_TO_CHAR_STR)-1 != ilog2(TASK_STATE_MAX)+1)];
@@ -1153,9 +1153,12 @@ struct sched_dl_entity {
 	 *
 	 * @dl_boosted tells if we are boosted due to DI. If so we are
 	 * outside bandwidth enforcement mechanism (but only until we
-	 * exit the critical section).
+	 * exit the critical section);
+	 *
+	 * @dl_yielded tells if task gave up the cpu before consuming
+	 * all its available runtime during the last job.
 	 */
-	int dl_throttled, dl_new, dl_boosted;
+	int dl_throttled, dl_new, dl_boosted, dl_yielded;
 
 	/*
 	 * Bandwidth enforcement timer. Each -deadline task has its
diff --git a/include/net/cfg80211.h b/include/net/cfg80211.h
index f3539a1..f856e5a 100644
--- a/include/net/cfg80211.h
+++ b/include/net/cfg80211.h
@@ -3669,6 +3669,18 @@ void cfg80211_sched_scan_results(struct wiphy *wiphy);
 void cfg80211_sched_scan_stopped(struct wiphy *wiphy);
 
 /**
+ * cfg80211_sched_scan_stopped_rtnl - notify that the scheduled scan has stopped
+ *
+ * @wiphy: the wiphy on which the scheduled scan stopped
+ *
+ * The driver can call this function to inform cfg80211 that the
+ * scheduled scan had to be stopped, for whatever reason.  The driver
+ * is then called back via the sched_scan_stop operation when done.
+ * This function should be called with rtnl locked.
+ */
+void cfg80211_sched_scan_stopped_rtnl(struct wiphy *wiphy);
+
+/**
  * cfg80211_inform_bss_width_frame - inform cfg80211 of a received BSS frame
  *
  * @wiphy: the wiphy reporting the BSS
diff --git a/include/net/ip6_route.h b/include/net/ip6_route.h
index 6c4f5ea..216cecc 100644
--- a/include/net/ip6_route.h
+++ b/include/net/ip6_route.h
@@ -127,6 +127,7 @@ int rt6_dump_route(struct rt6_info *rt, void *p_arg);
 void rt6_ifdown(struct net *net, struct net_device *dev);
 void rt6_mtu_change(struct net_device *dev, unsigned int mtu);
 void rt6_remove_prefsrc(struct inet6_ifaddr *ifp);
+void rt6_clean_tohost(struct net *net, struct in6_addr *gateway);
 
 
 /*
diff --git a/include/net/netns/ipv4.h b/include/net/netns/ipv4.h
index 80f500a..b2704fd0 100644
--- a/include/net/netns/ipv4.h
+++ b/include/net/netns/ipv4.h
@@ -20,6 +20,11 @@ struct local_ports {
 	int		range[2];
 };
 
+struct ping_group_range {
+	seqlock_t	lock;
+	kgid_t		range[2];
+};
+
 struct netns_ipv4 {
 #ifdef CONFIG_SYSCTL
 	struct ctl_table_header	*forw_hdr;
@@ -66,13 +71,13 @@ struct netns_ipv4 {
 	int sysctl_icmp_ratemask;
 	int sysctl_icmp_errors_use_inbound_ifaddr;
 
-	struct local_ports sysctl_local_ports;
+	struct local_ports ip_local_ports;
 
 	int sysctl_tcp_ecn;
 	int sysctl_ip_no_pmtu_disc;
 	int sysctl_ip_fwd_use_pmtu;
 
-	kgid_t sysctl_ping_group_range[2];
+	struct ping_group_range ping_group_range;
 
 	atomic_t dev_addr_genid;
 
diff --git a/include/trace/events/module.h b/include/trace/events/module.h
index ed0b2c5..7c5cbfe 100644
--- a/include/trace/events/module.h
+++ b/include/trace/events/module.h
@@ -80,7 +80,7 @@ DECLARE_EVENT_CLASS(module_refcnt,
 
 	TP_fast_assign(
 		__entry->ip	= ip;
-		__entry->refcnt	= __this_cpu_read(mod->refptr->incs) + __this_cpu_read(mod->refptr->decs);
+		__entry->refcnt	= __this_cpu_read(mod->refptr->incs) - __this_cpu_read(mod->refptr->decs);
 		__assign_str(name, mod->name);
 	),
 
diff --git a/include/uapi/asm-generic/resource.h b/include/uapi/asm-generic/resource.h
index f863428..c6d10af 100644
--- a/include/uapi/asm-generic/resource.h
+++ b/include/uapi/asm-generic/resource.h
@@ -57,12 +57,5 @@
 # define RLIM_INFINITY		(~0UL)
 #endif
 
-/*
- * RLIMIT_STACK default maximum - some architectures override it:
- */
-#ifndef _STK_LIM_MAX
-# define _STK_LIM_MAX		RLIM_INFINITY
-#endif
-
 
 #endif /* _UAPI_ASM_GENERIC_RESOURCE_H */
diff --git a/include/uapi/asm-generic/unistd.h b/include/uapi/asm-generic/unistd.h
index 6db6678..3336406 100644
--- a/include/uapi/asm-generic/unistd.h
+++ b/include/uapi/asm-generic/unistd.h
@@ -697,9 +697,11 @@ __SYSCALL(__NR_finit_module, sys_finit_module)
 __SYSCALL(__NR_sched_setattr, sys_sched_setattr)
 #define __NR_sched_getattr 275
 __SYSCALL(__NR_sched_getattr, sys_sched_getattr)
+#define __NR_renameat2 276
+__SYSCALL(__NR_renameat2, sys_renameat2)
 
 #undef __NR_syscalls
-#define __NR_syscalls 276
+#define __NR_syscalls 277
 
 /*
  * All syscalls below here should go away really,
diff --git a/include/uapi/linux/audit.h b/include/uapi/linux/audit.h
index 11917f7..1b1efdd 100644
--- a/include/uapi/linux/audit.h
+++ b/include/uapi/linux/audit.h
@@ -331,9 +331,17 @@ enum {
 #define AUDIT_FAIL_PRINTK	1
 #define AUDIT_FAIL_PANIC	2
 
+/*
+ * These bits disambiguate different calling conventions that share an
+ * ELF machine type, bitness, and endianness
+ */
+#define __AUDIT_ARCH_CONVENTION_MASK 0x30000000
+#define __AUDIT_ARCH_CONVENTION_MIPS64_N32 0x20000000
+
 /* distinguish syscall tables */
 #define __AUDIT_ARCH_64BIT 0x80000000
 #define __AUDIT_ARCH_LE	   0x40000000
+
 #define AUDIT_ARCH_ALPHA	(EM_ALPHA|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ARM		(EM_ARM|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_ARMEB	(EM_ARM)
@@ -346,7 +354,11 @@ enum {
 #define AUDIT_ARCH_MIPS		(EM_MIPS)
 #define AUDIT_ARCH_MIPSEL	(EM_MIPS|__AUDIT_ARCH_LE)
 #define AUDIT_ARCH_MIPS64	(EM_MIPS|__AUDIT_ARCH_64BIT)
+#define AUDIT_ARCH_MIPS64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|\
+				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
 #define AUDIT_ARCH_MIPSEL64	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE)
+#define AUDIT_ARCH_MIPSEL64N32	(EM_MIPS|__AUDIT_ARCH_64BIT|__AUDIT_ARCH_LE\
+				 __AUDIT_ARCH_CONVENTION_MIPS64_N32)
 #define AUDIT_ARCH_OPENRISC	(EM_OPENRISC)
 #define AUDIT_ARCH_PARISC	(EM_PARISC)
 #define AUDIT_ARCH_PARISC64	(EM_PARISC|__AUDIT_ARCH_64BIT)
diff --git a/include/uapi/linux/nl80211.h b/include/uapi/linux/nl80211.h
index 1ba9d62..194c1ea 100644
--- a/include/uapi/linux/nl80211.h
+++ b/include/uapi/linux/nl80211.h
@@ -3856,6 +3856,8 @@ enum nl80211_ap_sme_features {
  * @NL80211_FEATURE_CELL_BASE_REG_HINTS: This driver has been tested
  *	to work properly to suppport receiving regulatory hints from
  *	cellular base stations.
+ * @NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL: (no longer available, only
+ *	here to reserve the value for API/ABI compatibility)
  * @NL80211_FEATURE_SAE: This driver supports simultaneous authentication of
  *	equals (SAE) with user space SME (NL80211_CMD_AUTHENTICATE) in station
  *	mode
@@ -3897,7 +3899,7 @@ enum nl80211_feature_flags {
 	NL80211_FEATURE_HT_IBSS				= 1 << 1,
 	NL80211_FEATURE_INACTIVITY_TIMER		= 1 << 2,
 	NL80211_FEATURE_CELL_BASE_REG_HINTS		= 1 << 3,
-	/* bit 4 is reserved - don't use */
+	NL80211_FEATURE_P2P_DEVICE_NEEDS_CHANNEL	= 1 << 4,
 	NL80211_FEATURE_SAE				= 1 << 5,
 	NL80211_FEATURE_LOW_PRIORITY_SCAN		= 1 << 6,
 	NL80211_FEATURE_SCAN_FLUSH			= 1 << 7,