18 files changed, 141 insertions, 49 deletions

diff --git a/include/acpi/video.h b/include/acpi/video.h
index 70a41f742037..5731ccb42585 100644
--- a/include/acpi/video.h
+++ b/include/acpi/video.h
@@ -51,7 +51,8 @@ extern void acpi_video_set_dmi_backlight_type(enum acpi_backlight_type type);
  */
 extern bool acpi_video_handles_brightness_key_presses(void);
 extern int acpi_video_get_levels(struct acpi_device *device,
-				 struct acpi_video_device_brightness **dev_br);
+				 struct acpi_video_device_brightness **dev_br,
+				 int *pmax_level);
 #else
 static inline int acpi_video_register(void) { return 0; }
 static inline void acpi_video_unregister(void) { return; }
@@ -72,7 +73,8 @@ static inline bool acpi_video_handles_brightness_key_presses(void)
 	return false;
 }
 static inline int acpi_video_get_levels(struct acpi_device *device,
-			struct acpi_video_device_brightness **dev_br)
+			struct acpi_video_device_brightness **dev_br,
+			int *pmax_level)
 {
 	return -ENODEV;
 }
diff --git a/include/linux/ceph/osd_client.h b/include/linux/ceph/osd_client.h
index 19b14862d3e0..1b3b6e155392 100644
--- a/include/linux/ceph/osd_client.h
+++ b/include/linux/ceph/osd_client.h
@@ -279,6 +279,11 @@ struct ceph_osd_client {
 	struct workqueue_struct	*notify_wq;
 };
 
+static inline bool ceph_osdmap_flag(struct ceph_osd_client *osdc, int flag)
+{
+	return osdc->osdmap->flags & flag;
+}
+
 extern int ceph_osdc_setup(void);
 extern void ceph_osdc_cleanup(void);
 
diff --git a/include/linux/ceph/osdmap.h b/include/linux/ceph/osdmap.h
index ddc426b22d81..9ccf4dbe55f8 100644
--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@@ -189,11 +189,6 @@ static inline bool ceph_osd_is_down(struct ceph_osdmap *map, int osd)
 	return !ceph_osd_is_up(map, osd);
 }
 
-static inline bool ceph_osdmap_flag(struct ceph_osdmap *map, int flag)
-{
-	return map && (map->flags & flag);
-}
-
 extern char *ceph_osdmap_state_str(char *str, int len, int state);
 extern u32 ceph_get_primary_affinity(struct ceph_osdmap *map, int osd);
 
diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h
index 5871f292b596..277ab9af9ac2 100644
--- a/include/linux/devpts_fs.h
+++ b/include/linux/devpts_fs.h
@@ -15,13 +15,12 @@
 
 #include <linux/errno.h>
 
-struct pts_fs_info;
-
 #ifdef CONFIG_UNIX98_PTYS
 
-/* Look up a pts fs info and get a ref to it */
-struct pts_fs_info *devpts_get_ref(struct inode *, struct file *);
-void devpts_put_ref(struct pts_fs_info *);
+struct pts_fs_info;
+
+struct pts_fs_info *devpts_acquire(struct file *);
+void devpts_release(struct pts_fs_info *);
 
 int devpts_new_index(struct pts_fs_info *);
 void devpts_kill_index(struct pts_fs_info *, int);
diff --git a/include/linux/dma-buf.h b/include/linux/dma-buf.h
index 3fe90d494edb..4551c6f2a6c4 100644
--- a/include/linux/dma-buf.h
+++ b/include/linux/dma-buf.h
@@ -112,19 +112,24 @@ struct dma_buf_ops {
  * @file: file pointer used for sharing buffers across, and for refcounting.
  * @attachments: list of dma_buf_attachment that denotes all devices attached.
  * @ops: dma_buf_ops associated with this buffer object.
+ * @lock: used internally to serialize list manipulation, attach/detach and vmap/unmap
+ * @vmapping_counter: used internally to refcnt the vmaps
+ * @vmap_ptr: the current vmap ptr if vmapping_counter > 0
  * @exp_name: name of the exporter; useful for debugging.
  * @owner: pointer to exporter module; used for refcounting when exporter is a
  *         kernel module.
  * @list_node: node for dma_buf accounting and debugging.
  * @priv: exporter specific private data for this buffer object.
  * @resv: reservation object linked to this dma-buf
+ * @poll: for userspace poll support
+ * @cb_excl: for userspace poll support
+ * @cb_shared: for userspace poll support
  */
 struct dma_buf {
 	size_t size;
 	struct file *file;
 	struct list_head attachments;
 	const struct dma_buf_ops *ops;
-	/* mutex to serialize list manipulation, attach/detach and vmap/unmap */
 	struct mutex lock;
 	unsigned vmapping_counter;
 	void *vmap_ptr;
@@ -188,9 +193,11 @@ struct dma_buf_export_info {
 
 /**
  * helper macro for exporters; zeros and fills in most common values
+ *
+ * @name: export-info name
  */
-#define DEFINE_DMA_BUF_EXPORT_INFO(a)	\
-	struct dma_buf_export_info a = { .exp_name = KBUILD_MODNAME, \
+#define DEFINE_DMA_BUF_EXPORT_INFO(name)	\
+	struct dma_buf_export_info name = { .exp_name = KBUILD_MODNAME, \
 					 .owner = THIS_MODULE }
 
 /**
diff --git a/include/linux/fence.h b/include/linux/fence.h
index 2b17698b60b8..2056e9fd0138 100644
--- a/include/linux/fence.h
+++ b/include/linux/fence.h
@@ -49,6 +49,8 @@ struct fence_cb;
  * @timestamp: Timestamp when the fence was signaled.
  * @status: Optional, only valid if < 0, must be set before calling
  * fence_signal, indicates that the fence has completed with an error.
+ * @child_list: list of children fences
+ * @active_list: list of active fences
  *
  * the flags member must be manipulated and read using the appropriate
  * atomic ops (bit_*), so taking the spinlock will not be needed most
diff --git a/include/linux/fscache-cache.h b/include/linux/fscache-cache.h
index 604e1526cd00..13ba552e6c09 100644
--- a/include/linux/fscache-cache.h
+++ b/include/linux/fscache-cache.h
@@ -241,7 +241,7 @@ struct fscache_cache_ops {
 
 	/* check the consistency between the backing cache and the FS-Cache
 	 * cookie */
-	bool (*check_consistency)(struct fscache_operation *op);
+	int (*check_consistency)(struct fscache_operation *op);
 
 	/* store the updated auxiliary data on an object */
 	void (*update_object)(struct fscache_object *object);
diff --git a/include/linux/irqchip/arm-gic-v3.h b/include/linux/irqchip/arm-gic-v3.h
index bfbd707de390..dc493e0f0ff7 100644
--- a/include/linux/irqchip/arm-gic-v3.h
+++ b/include/linux/irqchip/arm-gic-v3.h
@@ -305,12 +305,12 @@
 #define ICC_SGI1R_AFFINITY_1_SHIFT	16
 #define ICC_SGI1R_AFFINITY_1_MASK	(0xff << ICC_SGI1R_AFFINITY_1_SHIFT)
 #define ICC_SGI1R_SGI_ID_SHIFT		24
-#define ICC_SGI1R_SGI_ID_MASK		(0xff << ICC_SGI1R_SGI_ID_SHIFT)
+#define ICC_SGI1R_SGI_ID_MASK		(0xfULL << ICC_SGI1R_SGI_ID_SHIFT)
 #define ICC_SGI1R_AFFINITY_2_SHIFT	32
-#define ICC_SGI1R_AFFINITY_2_MASK	(0xffULL << ICC_SGI1R_AFFINITY_1_SHIFT)
+#define ICC_SGI1R_AFFINITY_2_MASK	(0xffULL << ICC_SGI1R_AFFINITY_2_SHIFT)
 #define ICC_SGI1R_IRQ_ROUTING_MODE_BIT	40
 #define ICC_SGI1R_AFFINITY_3_SHIFT	48
-#define ICC_SGI1R_AFFINITY_3_MASK	(0xffULL << ICC_SGI1R_AFFINITY_1_SHIFT)
+#define ICC_SGI1R_AFFINITY_3_MASK	(0xffULL << ICC_SGI1R_AFFINITY_3_SHIFT)
 
 #include <asm/arch_gicv3.h>
 
diff --git a/include/linux/namei.h b/include/linux/namei.h
index ec5ec2818a28..d3d0398f2a1b 100644
--- a/include/linux/namei.h
+++ b/include/linux/namei.h
@@ -45,6 +45,8 @@ enum {LAST_NORM, LAST_ROOT, LAST_DOT, LAST_DOTDOT, LAST_BIND};
 #define LOOKUP_ROOT		0x2000
 #define LOOKUP_EMPTY		0x4000
 
+extern int path_pts(struct path *path);
+
 extern int user_path_at_empty(int, const char __user *, unsigned, struct path *, int *empty);
 
 static inline int user_path_at(int dfd, const char __user *name, unsigned flags,
diff --git a/include/linux/page_idle.h b/include/linux/page_idle.h
index bf268fa92c5b..fec40271339f 100644
--- a/include/linux/page_idle.h
+++ b/include/linux/page_idle.h
@@ -46,33 +46,62 @@ extern struct page_ext_operations page_idle_ops;
 
 static inline bool page_is_young(struct page *page)
 {
-	return test_bit(PAGE_EXT_YOUNG, &lookup_page_ext(page)->flags);
+	struct page_ext *page_ext = lookup_page_ext(page);
+
+	if (unlikely(!page_ext))
+		return false;
+
+	return test_bit(PAGE_EXT_YOUNG, &page_ext->flags);
 }
 
 static inline void set_page_young(struct page *page)
 {
-	set_bit(PAGE_EXT_YOUNG, &lookup_page_ext(page)->flags);
+	struct page_ext *page_ext = lookup_page_ext(page);
+
+	if (unlikely(!page_ext))
+		return;
+
+	set_bit(PAGE_EXT_YOUNG, &page_ext->flags);
 }
 
 static inline bool test_and_clear_page_young(struct page *page)
 {
-	return test_and_clear_bit(PAGE_EXT_YOUNG,
-				  &lookup_page_ext(page)->flags);
+	struct page_ext *page_ext = lookup_page_ext(page);
+
+	if (unlikely(!page_ext))
+		return false;
+
+	return test_and_clear_bit(PAGE_EXT_YOUNG, &page_ext->flags);
 }
 
 static inline bool page_is_idle(struct page *page)
 {
-	return test_bit(PAGE_EXT_IDLE, &lookup_page_ext(page)->flags);
+	struct page_ext *page_ext = lookup_page_ext(page);
+
+	if (unlikely(!page_ext))
+		return false;
+
+	return test_bit(PAGE_EXT_IDLE, &page_ext->flags);
 }
 
 static inline void set_page_idle(struct page *page)
 {
-	set_bit(PAGE_EXT_IDLE, &lookup_page_ext(page)->flags);
+	struct page_ext *page_ext = lookup_page_ext(page);
+
+	if (unlikely(!page_ext))
+		return;
+
+	set_bit(PAGE_EXT_IDLE, &page_ext->flags);
 }
 
 static inline void clear_page_idle(struct page *page)
 {
-	clear_bit(PAGE_EXT_IDLE, &lookup_page_ext(page)->flags);
+	struct page_ext *page_ext = lookup_page_ext(page);
+
+	if (unlikely(!page_ext))
+		return;
+
+	clear_bit(PAGE_EXT_IDLE, &page_ext->flags);
 }
 #endif /* CONFIG_64BIT */
 
diff --git a/include/linux/reservation.h b/include/linux/reservation.h
index 49d057655d62..b0f305e77b7f 100644
--- a/include/linux/reservation.h
+++ b/include/linux/reservation.h
@@ -49,12 +49,27 @@ extern struct ww_class reservation_ww_class;
 extern struct lock_class_key reservation_seqcount_class;
 extern const char reservation_seqcount_string[];
 
+/**
+ * struct reservation_object_list - a list of shared fences
+ * @rcu: for internal use
+ * @shared_count: table of shared fences
+ * @shared_max: for growing shared fence table
+ * @shared: shared fence table
+ */
 struct reservation_object_list {
 	struct rcu_head rcu;
 	u32 shared_count, shared_max;
 	struct fence __rcu *shared[];
 };
 
+/**
+ * struct reservation_object - a reservation object manages fences for a buffer
+ * @lock: update side lock
+ * @seq: sequence count for managing RCU read-side synchronization
+ * @fence_excl: the exclusive fence, if there is one currently
+ * @fence: list of current shared fences
+ * @staged: staged copy of shared fences for RCU updates
+ */
 struct reservation_object {
 	struct ww_mutex lock;
 	seqcount_t seq;
@@ -68,6 +83,10 @@ struct reservation_object {
 #define reservation_object_assert_held(obj) \
 	lockdep_assert_held(&(obj)->lock.base)
 
+/**
+ * reservation_object_init - initialize a reservation object
+ * @obj: the reservation object
+ */
 static inline void
 reservation_object_init(struct reservation_object *obj)
 {
@@ -79,6 +98,10 @@ reservation_object_init(struct reservation_object *obj)
 	obj->staged = NULL;
 }
 
+/**
+ * reservation_object_fini - destroys a reservation object
+ * @obj: the reservation object
+ */
 static inline void
 reservation_object_fini(struct reservation_object *obj)
 {
@@ -106,6 +129,14 @@ reservation_object_fini(struct reservation_object *obj)
 	ww_mutex_destroy(&obj->lock);
 }
 
+/**
+ * reservation_object_get_list - get the reservation object's
+ * shared fence list, with update-side lock held
+ * @obj: the reservation object
+ *
+ * Returns the shared fence list.  Does NOT take references to
+ * the fence.  The obj->lock must be held.
+ */
 static inline struct reservation_object_list *
 reservation_object_get_list(struct reservation_object *obj)
 {
@@ -113,6 +144,17 @@ reservation_object_get_list(struct reservation_object *obj)
 					 reservation_object_held(obj));
 }
 
+/**
+ * reservation_object_get_excl - get the reservation object's
+ * exclusive fence, with update-side lock held
+ * @obj: the reservation object
+ *
+ * Returns the exclusive fence (if any).  Does NOT take a
+ * reference.  The obj->lock must be held.
+ *
+ * RETURNS
+ * The exclusive fence or NULL
+ */
 static inline struct fence *
 reservation_object_get_excl(struct reservation_object *obj)
 {
@@ -120,6 +162,17 @@ reservation_object_get_excl(struct reservation_object *obj)
 					 reservation_object_held(obj));
 }
 
+/**
+ * reservation_object_get_excl_rcu - get the reservation object's
+ * exclusive fence, without lock held.
+ * @obj: the reservation object
+ *
+ * If there is an exclusive fence, this atomically increments it's
+ * reference count and returns it.
+ *
+ * RETURNS
+ * The exclusive fence or NULL if none
+ */
 static inline struct fence *
 reservation_object_get_excl_rcu(struct reservation_object *obj)
 {
diff --git a/include/linux/sctp.h b/include/linux/sctp.h
index dacb5e711994..de1f64318fc4 100644
--- a/include/linux/sctp.h
+++ b/include/linux/sctp.h
@@ -765,6 +765,8 @@ struct sctp_info {
 	__u8	sctpi_s_disable_fragments;
 	__u8	sctpi_s_v4mapped;
 	__u8	sctpi_s_frag_interleave;
+	__u32	sctpi_s_type;
+	__u32	__reserved3;
 };
 
 struct sctp_infox {
diff --git a/include/linux/timekeeping.h b/include/linux/timekeeping.h
index 37dbacf84849..816b7543f81b 100644
--- a/include/linux/timekeeping.h
+++ b/include/linux/timekeeping.h
@@ -21,6 +21,9 @@ static inline int do_sys_settimeofday(const struct timespec *tv,
 	struct timespec64 ts64;
 
 	if (!tv)
+		return do_sys_settimeofday64(NULL, tz);
+
+	if (!timespec_valid(tv))
 		return -EINVAL;
 
 	ts64 = timespec_to_timespec64(*tv);
diff --git a/include/net/ip6_tunnel.h b/include/net/ip6_tunnel.h
index d325c81332e3..43a5a0e4524c 100644
--- a/include/net/ip6_tunnel.h
+++ b/include/net/ip6_tunnel.h
@@ -63,6 +63,8 @@ struct ip6_tnl_encap_ops {
 			    u8 *protocol, struct flowi6 *fl6);
 };
 
+#ifdef CONFIG_INET
+
 extern const struct ip6_tnl_encap_ops __rcu *
 		ip6tun_encaps[MAX_IPTUN_ENCAP_OPS];
 
@@ -138,7 +140,6 @@ struct net *ip6_tnl_get_link_net(const struct net_device *dev);
 int ip6_tnl_get_iflink(const struct net_device *dev);
 int ip6_tnl_change_mtu(struct net_device *dev, int new_mtu);
 
-#ifdef CONFIG_INET
 static inline void ip6tunnel_xmit(struct sock *sk, struct sk_buff *skb,
 				  struct net_device *dev)
 {
diff --git a/include/net/pkt_sched.h b/include/net/pkt_sched.h
index 401038d2f9b8..fea53f4d92ca 100644
--- a/include/net/pkt_sched.h
+++ b/include/net/pkt_sched.h
@@ -61,6 +61,7 @@ psched_tdiff_bounded(psched_time_t tv1, psched_time_t tv2, psched_time_t bound)
 }
 
 struct qdisc_watchdog {
+	u64		last_expires;
 	struct hrtimer	timer;
 	struct Qdisc	*qdisc;
 };
diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h
index 9222db8ccccc..5f030b46cff4 100644
--- a/include/uapi/linux/ethtool.h
+++ b/include/uapi/linux/ethtool.h
@@ -1353,6 +1353,15 @@ enum ethtool_link_mode_bit_indices {
 	ETHTOOL_LINK_MODE_56000baseCR4_Full_BIT	= 28,
 	ETHTOOL_LINK_MODE_56000baseSR4_Full_BIT	= 29,
 	ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT	= 30,
+	ETHTOOL_LINK_MODE_25000baseCR_Full_BIT	= 31,
+	ETHTOOL_LINK_MODE_25000baseKR_Full_BIT	= 32,
+	ETHTOOL_LINK_MODE_25000baseSR_Full_BIT	= 33,
+	ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT	= 34,
+	ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT	= 35,
+	ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT	= 36,
+	ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT	= 37,
+	ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT	= 38,
+	ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT	= 39,
 
 	/* Last allowed bit for __ETHTOOL_LINK_MODE_LEGACY_MASK is bit
 	 * 31. Please do NOT define any SUPPORTED_* or ADVERTISED_*
@@ -1361,7 +1370,7 @@ enum ethtool_link_mode_bit_indices {
 	 */
 
 	__ETHTOOL_LINK_MODE_LAST
-	  = ETHTOOL_LINK_MODE_56000baseLR4_Full_BIT,
+	  = ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT,
 };
 
 #define __ETHTOOL_LINK_MODE_LEGACY_MASK(base_name)	\
diff --git a/include/uapi/linux/pkt_cls.h b/include/uapi/linux/pkt_cls.h
index eba5914ba5d1..f4297c8a42fe 100644
--- a/include/uapi/linux/pkt_cls.h
+++ b/include/uapi/linux/pkt_cls.h
@@ -145,6 +145,8 @@ enum {
 	TCA_POLICE_PEAKRATE,
 	TCA_POLICE_AVRATE,
 	TCA_POLICE_RESULT,
+	TCA_POLICE_TM,
+	TCA_POLICE_PAD,
 	__TCA_POLICE_MAX
 #define TCA_POLICE_RESULT TCA_POLICE_RESULT
 };
@@ -173,7 +175,7 @@ enum {
 	TCA_U32_DIVISOR,
 	TCA_U32_SEL,
 	TCA_U32_POLICE,
-	TCA_U32_ACT,   
+	TCA_U32_ACT,
 	TCA_U32_INDEV,
 	TCA_U32_PCNT,
 	TCA_U32_MARK,
diff --git a/include/video/omapfb_dss.h b/include/video/omapfb_dss.h
index 65738c47256e..1d38901d599d 100644
--- a/include/video/omapfb_dss.h
+++ b/include/video/omapfb_dss.h
@@ -183,25 +183,6 @@ enum omap_overlay_caps {
 	OMAP_DSS_OVL_CAP_REPLICATION = 1 << 5,
 };
 
-enum omap_overlay_manager_caps {
-	OMAP_DSS_DUMMY_VALUE, /* add a dummy value to prevent compiler error */
-};
-
-enum omap_dss_clk_source {
-	OMAP_DSS_CLK_SRC_FCK = 0,		/* OMAP2/3: DSS1_ALWON_FCLK
-						 * OMAP4: DSS_FCLK */
-	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DISPC,	/* OMAP3: DSI1_PLL_FCLK
-						 * OMAP4: PLL1_CLK1 */
-	OMAP_DSS_CLK_SRC_DSI_PLL_HSDIV_DSI,	/* OMAP3: DSI2_PLL_FCLK
-						 * OMAP4: PLL1_CLK2 */
-	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DISPC,	/* OMAP4: PLL2_CLK1 */
-	OMAP_DSS_CLK_SRC_DSI2_PLL_HSDIV_DSI,	/* OMAP4: PLL2_CLK2 */
-};
-
-enum omap_hdmi_flags {
-	OMAP_HDMI_SDA_SCL_EXTERNAL_PULLUP = 1 << 0,
-};
-
 enum omap_dss_output_id {
 	OMAP_DSS_OUTPUT_DPI	= 1 << 0,
 	OMAP_DSS_OUTPUT_DBI	= 1 << 1,
@@ -421,7 +402,6 @@ struct omap_overlay_manager {
 	/* static fields */
 	const char *name;
 	enum omap_channel id;
-	enum omap_overlay_manager_caps caps;
 	struct list_head overlays;
 	enum omap_display_type supported_displays;
 	enum omap_dss_output_id supported_outputs;