Merge tag 'v5.4-rc7' into sched/core, to pick up fixes

Signed-off-by: Ingo Molnar <mingo@kernel.org>

51 files changed, 420 insertions, 152 deletions

diff --git a/include/linux/bitmap.h b/include/linux/bitmap.h
index 90528f12bdfa..29fc933df3bf 100644
--- a/include/linux/bitmap.h
+++ b/include/linux/bitmap.h
@@ -326,10 +326,11 @@ static inline int bitmap_equal(const unsigned long *src1,
 }
 
 /**
- * bitmap_or_equal - Check whether the or of two bitnaps is equal to a third
+ * bitmap_or_equal - Check whether the or of two bitmaps is equal to a third
  * @src1:	Pointer to bitmap 1
  * @src2:	Pointer to bitmap 2 will be or'ed with bitmap 1
  * @src3:	Pointer to bitmap 3. Compare to the result of *@src1 | *@src2
+ * @nbits:	number of bits in each of these bitmaps
  *
  * Returns: True if (*@src1 | *@src2) == *@src3, false otherwise
  */
diff --git a/include/linux/bitops.h b/include/linux/bitops.h
index cf074bce3eb3..c94a9ff9f082 100644
--- a/include/linux/bitops.h
+++ b/include/linux/bitops.h
@@ -4,6 +4,13 @@
 #include <asm/types.h>
 #include <linux/bits.h>
 
+/* Set bits in the first 'n' bytes when loaded from memory */
+#ifdef __LITTLE_ENDIAN
+#  define aligned_byte_mask(n) ((1UL << 8*(n))-1)
+#else
+#  define aligned_byte_mask(n) (~0xffUL << (BITS_PER_LONG - 8 - 8*(n)))
+#endif
+
 #define BITS_PER_TYPE(type) (sizeof(type) * BITS_PER_BYTE)
 #define BITS_TO_LONGS(nr)	DIV_ROUND_UP(nr, BITS_PER_TYPE(long))
 
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index 5b9d22338606..3bf3835d0e86 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -656,11 +656,11 @@ void bpf_map_put_with_uref(struct bpf_map *map);
 void bpf_map_put(struct bpf_map *map);
 int bpf_map_charge_memlock(struct bpf_map *map, u32 pages);
 void bpf_map_uncharge_memlock(struct bpf_map *map, u32 pages);
-int bpf_map_charge_init(struct bpf_map_memory *mem, size_t size);
+int bpf_map_charge_init(struct bpf_map_memory *mem, u64 size);
 void bpf_map_charge_finish(struct bpf_map_memory *mem);
 void bpf_map_charge_move(struct bpf_map_memory *dst,
 			 struct bpf_map_memory *src);
-void *bpf_map_area_alloc(size_t size, int numa_node);
+void *bpf_map_area_alloc(u64 size, int numa_node);
 void bpf_map_area_free(void *base);
 void bpf_map_init_from_attr(struct bpf_map *map, union bpf_attr *attr);
 
diff --git a/include/linux/compiler_attributes.h b/include/linux/compiler_attributes.h
index 6b318efd8a74..cdf016596659 100644
--- a/include/linux/compiler_attributes.h
+++ b/include/linux/compiler_attributes.h
@@ -40,6 +40,7 @@
 # define __GCC4_has_attribute___noclone__             1
 # define __GCC4_has_attribute___nonstring__           0
 # define __GCC4_has_attribute___no_sanitize_address__ (__GNUC_MINOR__ >= 8)
+# define __GCC4_has_attribute___fallthrough__         0
 #endif
 
 /*
@@ -186,6 +187,22 @@
 #endif
 
 /*
+ * Add the pseudo keyword 'fallthrough' so case statement blocks
+ * must end with any of these keywords:
+ *   break;
+ *   fallthrough;
+ *   goto <label>;
+ *   return [expression];
+ *
+ *  gcc: https://gcc.gnu.org/onlinedocs/gcc/Statement-Attributes.html#Statement-Attributes
+ */
+#if __has_attribute(__fallthrough__)
+# define fallthrough                    __attribute__((__fallthrough__))
+#else
+# define fallthrough                    do {} while (0)  /* fallthrough */
+#endif
+
+/*
  * Note the missing underscores.
  *
  *   gcc: https://gcc.gnu.org/onlinedocs/gcc/Common-Function-Attributes.html#index-noinline-function-attribute
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index c57e88e85c41..92d5fdc8154e 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -13,6 +13,7 @@
 #include <linux/completion.h>
 #include <linux/kobject.h>
 #include <linux/notifier.h>
+#include <linux/pm_qos.h>
 #include <linux/spinlock.h>
 #include <linux/sysfs.h>
 
@@ -76,8 +77,10 @@ struct cpufreq_policy {
 	struct work_struct	update; /* if update_policy() needs to be
 					 * called, but you're in IRQ context */
 
-	struct dev_pm_qos_request *min_freq_req;
-	struct dev_pm_qos_request *max_freq_req;
+	struct freq_constraints	constraints;
+	struct freq_qos_request	*min_freq_req;
+	struct freq_qos_request	*max_freq_req;
+
 	struct cpufreq_frequency_table	*freq_table;
 	enum cpufreq_table_sorting freq_table_sorted;
 
diff --git a/include/linux/dsa/sja1105.h b/include/linux/dsa/sja1105.h
index 79435cfc20eb..897e799dbcb9 100644
--- a/include/linux/dsa/sja1105.h
+++ b/include/linux/dsa/sja1105.h
@@ -31,6 +31,8 @@
 #define SJA1105_META_SMAC			0x222222222222ull
 #define SJA1105_META_DMAC			0x0180C200000Eull
 
+#define SJA1105_HWTS_RX_EN			0
+
 /* Global tagger data: each struct sja1105_port has a reference to
  * the structure defined in struct sja1105_private.
  */
@@ -42,7 +44,7 @@ struct sja1105_tagger_data {
 	 * from taggers running on multiple ports on SMP systems
 	 */
 	spinlock_t meta_lock;
-	bool hwts_rx_en;
+	unsigned long state;
 };
 
 struct sja1105_skb_cb {
diff --git a/include/linux/dynamic_debug.h b/include/linux/dynamic_debug.h
index 6c809440f319..4cf02ecd67de 100644
--- a/include/linux/dynamic_debug.h
+++ b/include/linux/dynamic_debug.h
@@ -204,6 +204,12 @@ static inline int ddebug_dyndbg_module_param_cb(char *param, char *val,
 	do { if (0) printk(KERN_DEBUG pr_fmt(fmt), ##__VA_ARGS__); } while (0)
 #define dynamic_dev_dbg(dev, fmt, ...)					\
 	do { if (0) dev_printk(KERN_DEBUG, dev, fmt, ##__VA_ARGS__); } while (0)
+#define dynamic_hex_dump(prefix_str, prefix_type, rowsize,		\
+			 groupsize, buf, len, ascii)			\
+	do { if (0)							\
+		print_hex_dump(KERN_DEBUG, prefix_str, prefix_type,	\
+				rowsize, groupsize, buf, len, ascii);	\
+	} while (0)
 #endif
 
 #endif
diff --git a/include/linux/efi.h b/include/linux/efi.h
index bd3837022307..d87acf62958e 100644
--- a/include/linux/efi.h
+++ b/include/linux/efi.h
@@ -1579,9 +1579,22 @@ char *efi_convert_cmdline(efi_system_table_t *sys_table_arg,
 efi_status_t efi_get_memory_map(efi_system_table_t *sys_table_arg,
 				struct efi_boot_memmap *map);
 
+efi_status_t efi_low_alloc_above(efi_system_table_t *sys_table_arg,
+				 unsigned long size, unsigned long align,
+				 unsigned long *addr, unsigned long min);
+
+static inline
 efi_status_t efi_low_alloc(efi_system_table_t *sys_table_arg,
 			   unsigned long size, unsigned long align,
-			   unsigned long *addr);
+			   unsigned long *addr)
+{
+	/*
+	 * Don't allocate at 0x0. It will confuse code that
+	 * checks pointers against NULL. Skip the first 8
+	 * bytes so we start at a nice even number.
+	 */
+	return efi_low_alloc_above(sys_table_arg, size, align, addr, 0x8);
+}
 
 efi_status_t efi_high_alloc(efi_system_table_t *sys_table_arg,
 			    unsigned long size, unsigned long align,
@@ -1592,7 +1605,8 @@ efi_status_t efi_relocate_kernel(efi_system_table_t *sys_table_arg,
 				 unsigned long image_size,
 				 unsigned long alloc_size,
 				 unsigned long preferred_addr,
-				 unsigned long alignment);
+				 unsigned long alignment,
+				 unsigned long min_addr);
 
 efi_status_t handle_cmdline_files(efi_system_table_t *sys_table_arg,
 				  efi_loaded_image_t *image,
diff --git a/include/linux/export.h b/include/linux/export.h
index 95f55b7f83a0..941d075f03d6 100644
--- a/include/linux/export.h
+++ b/include/linux/export.h
@@ -18,8 +18,6 @@ extern struct module __this_module;
 #define THIS_MODULE ((struct module *)0)
 #endif
 
-#define NS_SEPARATOR "."
-
 #ifdef CONFIG_MODVERSIONS
 /* Mark the CRC weak since genksyms apparently decides not to
  * generate a checksums for some symbols */
@@ -48,14 +46,14 @@ extern struct module __this_module;
  * absolute relocations that require runtime processing on relocatable
  * kernels.
  */
-#define __KSYMTAB_ENTRY_NS(sym, sec, ns)				\
+#define __KSYMTAB_ENTRY_NS(sym, sec)					\
 	__ADDRESSABLE(sym)						\
 	asm("	.section \"___ksymtab" sec "+" #sym "\", \"a\"	\n"	\
 	    "	.balign	4					\n"	\
-	    "__ksymtab_" #sym NS_SEPARATOR #ns ":		\n"	\
+	    "__ksymtab_" #sym ":				\n"	\
 	    "	.long	" #sym "- .				\n"	\
 	    "	.long	__kstrtab_" #sym "- .			\n"	\
-	    "	.long	__kstrtab_ns_" #sym "- .		\n"	\
+	    "	.long	__kstrtabns_" #sym "- .			\n"	\
 	    "	.previous					\n")
 
 #define __KSYMTAB_ENTRY(sym, sec)					\
@@ -74,16 +72,14 @@ struct kernel_symbol {
 	int namespace_offset;
 };
 #else
-#define __KSYMTAB_ENTRY_NS(sym, sec, ns)				\
-	static const struct kernel_symbol __ksymtab_##sym##__##ns	\
-	asm("__ksymtab_" #sym NS_SEPARATOR #ns)				\
+#define __KSYMTAB_ENTRY_NS(sym, sec)					\
+	static const struct kernel_symbol __ksymtab_##sym		\
 	__attribute__((section("___ksymtab" sec "+" #sym), used))	\
 	__aligned(sizeof(void *))					\
-	= { (unsigned long)&sym, __kstrtab_##sym, __kstrtab_ns_##sym }
+	= { (unsigned long)&sym, __kstrtab_##sym, __kstrtabns_##sym }
 
 #define __KSYMTAB_ENTRY(sym, sec)					\
 	static const struct kernel_symbol __ksymtab_##sym		\
-	asm("__ksymtab_" #sym)						\
 	__attribute__((section("___ksymtab" sec "+" #sym), used))	\
 	__aligned(sizeof(void *))					\
 	= { (unsigned long)&sym, __kstrtab_##sym, NULL }
@@ -112,10 +108,10 @@ struct kernel_symbol {
 /* For every exported symbol, place a struct in the __ksymtab section */
 #define ___EXPORT_SYMBOL_NS(sym, sec, ns)				\
 	___export_symbol_common(sym, sec);				\
-	static const char __kstrtab_ns_##sym[]				\
+	static const char __kstrtabns_##sym[]				\
 	__attribute__((section("__ksymtab_strings"), used, aligned(1)))	\
 	= #ns;								\
-	__KSYMTAB_ENTRY_NS(sym, sec, ns)
+	__KSYMTAB_ENTRY_NS(sym, sec)
 
 #define ___EXPORT_SYMBOL(sym, sec)					\
 	___export_symbol_common(sym, sec);				\
diff --git a/include/linux/filter.h b/include/linux/filter.h
index 2ce57645f3cd..0367a75f873b 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -1099,7 +1099,6 @@ static inline void bpf_get_prog_name(const struct bpf_prog *prog, char *sym)
 
 #endif /* CONFIG_BPF_JIT */
 
-void bpf_prog_kallsyms_del_subprogs(struct bpf_prog *fp);
 void bpf_prog_kallsyms_del_all(struct bpf_prog *fp);
 
 #define BPF_ANC		BIT(15)
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index fb07b503dc45..61f2f6ff9467 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -325,6 +325,29 @@ static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
 	return !!(gfp_flags & __GFP_DIRECT_RECLAIM);
 }
 
+/**
+ * gfpflags_normal_context - is gfp_flags a normal sleepable context?
+ * @gfp_flags: gfp_flags to test
+ *
+ * Test whether @gfp_flags indicates that the allocation is from the
+ * %current context and allowed to sleep.
+ *
+ * An allocation being allowed to block doesn't mean it owns the %current
+ * context.  When direct reclaim path tries to allocate memory, the
+ * allocation context is nested inside whatever %current was doing at the
+ * time of the original allocation.  The nested allocation may be allowed
+ * to block but modifying anything %current owns can corrupt the outer
+ * context's expectations.
+ *
+ * %true result from this function indicates that the allocation context
+ * can sleep and use anything that's associated with %current.
+ */
+static inline bool gfpflags_normal_context(const gfp_t gfp_flags)
+{
+	return (gfp_flags & (__GFP_DIRECT_RECLAIM | __GFP_MEMALLOC)) ==
+		__GFP_DIRECT_RECLAIM;
+}
+
 #ifdef CONFIG_HIGHMEM
 #define OPT_ZONE_HIGHMEM ZONE_HIGHMEM
 #else
diff --git a/include/linux/gpio/driver.h b/include/linux/gpio/driver.h
index f8245d67f070..5dd9c982e2cb 100644
--- a/include/linux/gpio/driver.h
+++ b/include/linux/gpio/driver.h
@@ -202,6 +202,14 @@ struct gpio_irq_chip {
 	bool threaded;
 
 	/**
+	 * @init_hw: optional routine to initialize hardware before
+	 * an IRQ chip will be added. This is quite useful when
+	 * a particular driver wants to clear IRQ related registers
+	 * in order to avoid undesired events.
+	 */
+	int (*init_hw)(struct gpio_chip *chip);
+
+	/**
 	 * @init_valid_mask: optional routine to initialize @valid_mask, to be
 	 * used if not all GPIO lines are valid interrupts. Sometimes some
 	 * lines just cannot fire interrupts, and this routine, when defined,
diff --git a/include/linux/hwmon.h b/include/linux/hwmon.h
index 04c36b7a61dd..72579168189d 100644
--- a/include/linux/hwmon.h
+++ b/include/linux/hwmon.h
@@ -235,7 +235,7 @@ enum hwmon_power_attributes {
 #define HWMON_P_LABEL			BIT(hwmon_power_label)
 #define HWMON_P_ALARM			BIT(hwmon_power_alarm)
 #define HWMON_P_CAP_ALARM		BIT(hwmon_power_cap_alarm)
-#define HWMON_P_MIN_ALARM		BIT(hwmon_power_max_alarm)
+#define HWMON_P_MIN_ALARM		BIT(hwmon_power_min_alarm)
 #define HWMON_P_MAX_ALARM		BIT(hwmon_power_max_alarm)
 #define HWMON_P_LCRIT_ALARM		BIT(hwmon_power_lcrit_alarm)
 #define HWMON_P_CRIT_ALARM		BIT(hwmon_power_crit_alarm)
diff --git a/include/linux/idr.h b/include/linux/idr.h
index 4ec8986e5dfb..ac6e946b6767 100644
--- a/include/linux/idr.h
+++ b/include/linux/idr.h
@@ -185,7 +185,7 @@ static inline void idr_preload_end(void)
  * is convenient for a "not found" value.
  */
 #define idr_for_each_entry(idr, entry, id)			\
-	for (id = 0; ((entry) = idr_get_next(idr, &(id))) != NULL; ++id)
+	for (id = 0; ((entry) = idr_get_next(idr, &(id))) != NULL; id += 1U)
 
 /**
  * idr_for_each_entry_ul() - Iterate over an IDR's elements of a given type.
diff --git a/include/linux/if_macvlan.h b/include/linux/if_macvlan.h
index 2e55e4cdbd8a..a367ead4bf4b 100644
--- a/include/linux/if_macvlan.h
+++ b/include/linux/if_macvlan.h
@@ -29,7 +29,6 @@ struct macvlan_dev {
 	netdev_features_t	set_features;
 	enum macvlan_mode	mode;
 	u16			flags;
-	int			nest_level;
 	unsigned int		macaddr_count;
 #ifdef CONFIG_NET_POLL_CONTROLLER
 	struct netpoll		*netpoll;
diff --git a/include/linux/if_team.h b/include/linux/if_team.h
index 06faa066496f..ec7e4bd07f82 100644
--- a/include/linux/if_team.h
+++ b/include/linux/if_team.h
@@ -223,6 +223,7 @@ struct team {
 		atomic_t count_pending;
 		struct delayed_work dw;
 	} mcast_rejoin;
+	struct lock_class_key team_lock_key;
 	long mode_priv[TEAM_MODE_PRIV_LONGS];
 };
 
diff --git a/include/linux/if_vlan.h b/include/linux/if_vlan.h
index 244278d5c222..b05e855f1ddd 100644
--- a/include/linux/if_vlan.h
+++ b/include/linux/if_vlan.h
@@ -182,7 +182,6 @@ 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)
@@ -221,11 +220,6 @@ extern void vlan_vids_del_by_dev(struct net_device *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_rcu(struct net_device *real_dev,
@@ -295,11 +289,6 @@ 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
 
 /**
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index fcb46b3374c6..719fc3e15ea4 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -1090,6 +1090,7 @@ enum kvm_stat_kind {
 
 struct kvm_stat_data {
 	int offset;
+	int mode;
 	struct kvm *kvm;
 };
 
@@ -1097,6 +1098,7 @@ struct kvm_stats_debugfs_item {
 	const char *name;
 	int offset;
 	enum kvm_stat_kind kind;
+	int mode;
 };
 extern struct kvm_stats_debugfs_item debugfs_entries[];
 extern struct dentry *kvm_debugfs_dir;
diff --git a/include/linux/leds.h b/include/linux/leds.h
index b8df71193329..efb309dba914 100644
--- a/include/linux/leds.h
+++ b/include/linux/leds.h
@@ -247,7 +247,7 @@ extern void led_set_brightness(struct led_classdev *led_cdev,
 /**
  * led_set_brightness_sync - set LED brightness synchronously
  * @led_cdev: the LED to set
- * @brightness: the brightness to set it to
+ * @value: the brightness to set it to
  *
  * Set an LED's brightness immediately. This function will block
  * the caller for the time required for accessing device registers,
@@ -301,8 +301,7 @@ extern void led_sysfs_enable(struct led_classdev *led_cdev);
 /**
  * led_compose_name - compose LED class device name
  * @dev: LED controller device object
- * @child: child fwnode_handle describing a LED or a group of synchronized LEDs;
- *	   it must be provided only for fwnode based LEDs
+ * @init_data: the LED class device initialization data
  * @led_classdev_name: composed LED class device name
  *
  * Create LED class device name basing on the provided init_data argument.
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 9b60863429cc..ae703ea3ef48 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -356,6 +356,19 @@ static inline bool mem_cgroup_disabled(void)
 	return !cgroup_subsys_enabled(memory_cgrp_subsys);
 }
 
+static inline unsigned long mem_cgroup_protection(struct mem_cgroup *memcg,
+						  bool in_low_reclaim)
+{
+	if (mem_cgroup_disabled())
+		return 0;
+
+	if (in_low_reclaim)
+		return READ_ONCE(memcg->memory.emin);
+
+	return max(READ_ONCE(memcg->memory.emin),
+		   READ_ONCE(memcg->memory.elow));
+}
+
 enum mem_cgroup_protection mem_cgroup_protected(struct mem_cgroup *root,
 						struct mem_cgroup *memcg);
 
@@ -537,6 +550,8 @@ void mem_cgroup_handle_over_high(void);
 
 unsigned long mem_cgroup_get_max(struct mem_cgroup *memcg);
 
+unsigned long mem_cgroup_size(struct mem_cgroup *memcg);
+
 void mem_cgroup_print_oom_context(struct mem_cgroup *memcg,
 				struct task_struct *p);
 
@@ -829,6 +844,12 @@ static inline void memcg_memory_event_mm(struct mm_struct *mm,
 {
 }
 
+static inline unsigned long mem_cgroup_protection(struct mem_cgroup *memcg,
+						  bool in_low_reclaim)
+{
+	return 0;
+}
+
 static inline enum mem_cgroup_protection mem_cgroup_protected(
 	struct mem_cgroup *root, struct mem_cgroup *memcg)
 {
@@ -968,6 +989,11 @@ static inline unsigned long mem_cgroup_get_max(struct mem_cgroup *memcg)
 	return 0;
 }
 
+static inline unsigned long mem_cgroup_size(struct mem_cgroup *memcg)
+{
+	return 0;
+}
+
 static inline void
 mem_cgroup_print_oom_context(struct mem_cgroup *memcg, struct task_struct *p)
 {
@@ -1264,6 +1290,9 @@ void mem_cgroup_track_foreign_dirty_slowpath(struct page *page,
 static inline void mem_cgroup_track_foreign_dirty(struct page *page,
 						  struct bdi_writeback *wb)
 {
+	if (mem_cgroup_disabled())
+		return;
+
 	if (unlikely(&page->mem_cgroup->css != wb->memcg_css))
 		mem_cgroup_track_foreign_dirty_slowpath(page, wb);
 }
diff --git a/include/linux/micrel_phy.h b/include/linux/micrel_phy.h
index ad24554f11f9..75f880c25bb8 100644
--- a/include/linux/micrel_phy.h
+++ b/include/linux/micrel_phy.h
@@ -31,7 +31,7 @@
 #define PHY_ID_KSZ886X		0x00221430
 #define PHY_ID_KSZ8863		0x00221435
 
-#define PHY_ID_KSZ8795		0x00221550
+#define PHY_ID_KSZ87XX		0x00221550
 
 #define	PHY_ID_KSZ9477		0x00221631
 
diff --git a/include/linux/mii.h b/include/linux/mii.h
index 5cd824c1c0ca..4ce8901a1af6 100644
--- a/include/linux/mii.h
+++ b/include/linux/mii.h
@@ -455,6 +455,15 @@ static inline void mii_lpa_mod_linkmode_lpa_t(unsigned long *lp_advertising,
 			 lp_advertising, lpa & LPA_LPACK);
 }
 
+static inline void mii_ctrl1000_mod_linkmode_adv_t(unsigned long *advertising,
+						   u32 ctrl1000)
+{
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Half_BIT, advertising,
+			 ctrl1000 & ADVERTISE_1000HALF);
+	linkmode_mod_bit(ETHTOOL_LINK_MODE_1000baseT_Full_BIT, advertising,
+			 ctrl1000 & ADVERTISE_1000FULL);
+}
+
 /**
  * linkmode_adv_to_lcl_adv_t
  * @advertising:pointer to linkmode advertising
diff --git a/include/linux/mlx5/mlx5_ifc.h b/include/linux/mlx5/mlx5_ifc.h
index 138c50d5a353..0836fe232f97 100644
--- a/include/linux/mlx5/mlx5_ifc.h
+++ b/include/linux/mlx5/mlx5_ifc.h
@@ -1545,9 +1545,8 @@ struct mlx5_ifc_extended_dest_format_bits {
 };
 
 union mlx5_ifc_dest_format_struct_flow_counter_list_auto_bits {
-	struct mlx5_ifc_dest_format_struct_bits dest_format_struct;
+	struct mlx5_ifc_extended_dest_format_bits extended_dest_format;
 	struct mlx5_ifc_flow_counter_list_bits flow_counter_list;
-	u8         reserved_at_0[0x40];
 };
 
 struct mlx5_ifc_fte_match_param_bits {
diff --git a/include/linux/mm.h b/include/linux/mm.h
index cc292273e6ba..a2adf95b3f9c 100644
--- a/include/linux/mm.h
+++ b/include/linux/mm.h
@@ -695,11 +695,6 @@ static inline void *kvcalloc(size_t n, size_t size, gfp_t flags)
 
 extern void kvfree(const void *addr);
 
-static inline atomic_t *compound_mapcount_ptr(struct page *page)
-{
-	return &page[1].compound_mapcount;
-}
-
 static inline int compound_mapcount(struct page *page)
 {
 	VM_BUG_ON_PAGE(!PageCompound(page), page);
diff --git a/include/linux/mm_types.h b/include/linux/mm_types.h
index 2222fa795284..270aa8fd2800 100644
--- a/include/linux/mm_types.h
+++ b/include/linux/mm_types.h
@@ -221,6 +221,11 @@ struct page {
 #endif
 } _struct_page_alignment;
 
+static inline atomic_t *compound_mapcount_ptr(struct page *page)
+{
+	return &page[1].compound_mapcount;
+}
+
 /*
  * Used for sizing the vmemmap region on some architectures
  */
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 9eda1c31d1f7..c20f190b4c18 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -925,6 +925,7 @@ struct dev_ifalias {
 struct devlink;
 struct tlsdev_ops;
 
+
 /*
  * This structure defines the management hooks for network devices.
  * The following hooks can be defined; unless noted otherwise, they are
@@ -1421,7 +1422,6 @@ struct net_device_ops {
 	void			(*ndo_dfwd_del_station)(struct net_device *pdev,
 							void *priv);
 
-	int			(*ndo_get_lock_subclass)(struct net_device *dev);
 	int			(*ndo_set_tx_maxrate)(struct net_device *dev,
 						      int queue_index,
 						      u32 maxrate);
@@ -1649,6 +1649,8 @@ enum netdev_priv_flags {
  * 	@perm_addr:		Permanent hw address
  * 	@addr_assign_type:	Hw address assignment type
  * 	@addr_len:		Hardware address length
+ *	@upper_level:		Maximum depth level of upper devices.
+ *	@lower_level:		Maximum depth level of lower devices.
  *	@neigh_priv_len:	Used in neigh_alloc()
  * 	@dev_id:		Used to differentiate devices that share
  * 				the same link layer address
@@ -1758,9 +1760,13 @@ enum netdev_priv_flags {
  *	@phydev:	Physical device may attach itself
  *			for hardware timestamping
  *	@sfp_bus:	attached &struct sfp_bus structure.
- *
- *	@qdisc_tx_busylock: lockdep class annotating Qdisc->busylock spinlock
- *	@qdisc_running_key: lockdep class annotating Qdisc->running seqcount
+ *	@qdisc_tx_busylock_key: lockdep class annotating Qdisc->busylock
+				spinlock
+ *	@qdisc_running_key:	lockdep class annotating Qdisc->running seqcount
+ *	@qdisc_xmit_lock_key:	lockdep class annotating
+ *				netdev_queue->_xmit_lock spinlock
+ *	@addr_list_lock_key:	lockdep class annotating
+ *				net_device->addr_list_lock spinlock
  *
  *	@proto_down:	protocol port state information can be sent to the
  *			switch driver and used to set the phys state of the
@@ -1875,6 +1881,8 @@ struct net_device {
 	unsigned char		perm_addr[MAX_ADDR_LEN];
 	unsigned char		addr_assign_type;
 	unsigned char		addr_len;
+	unsigned char		upper_level;
+	unsigned char		lower_level;
 	unsigned short		neigh_priv_len;
 	unsigned short          dev_id;
 	unsigned short          dev_port;
@@ -2045,8 +2053,10 @@ struct net_device {
 #endif
 	struct phy_device	*phydev;
 	struct sfp_bus		*sfp_bus;
-	struct lock_class_key	*qdisc_tx_busylock;
-	struct lock_class_key	*qdisc_running_key;
+	struct lock_class_key	qdisc_tx_busylock_key;
+	struct lock_class_key	qdisc_running_key;
+	struct lock_class_key	qdisc_xmit_lock_key;
+	struct lock_class_key	addr_list_lock_key;
 	bool			proto_down;
 	unsigned		wol_enabled:1;
 };
@@ -2124,23 +2134,6 @@ static inline void netdev_for_each_tx_queue(struct net_device *dev,
 		f(dev, &dev->_tx[i], arg);
 }
 
-#define netdev_lockdep_set_classes(dev)				\
-{								\
-	static struct lock_class_key qdisc_tx_busylock_key;	\
-	static struct lock_class_key qdisc_running_key;		\
-	static struct lock_class_key qdisc_xmit_lock_key;	\
-	static struct lock_class_key dev_addr_list_lock_key;	\
-	unsigned int i;						\
-								\
-	(dev)->qdisc_tx_busylock = &qdisc_tx_busylock_key;	\
-	(dev)->qdisc_running_key = &qdisc_running_key;		\
-	lockdep_set_class(&(dev)->addr_list_lock,		\
-			  &dev_addr_list_lock_key); 		\
-	for (i = 0; i < (dev)->num_tx_queues; i++)		\
-		lockdep_set_class(&(dev)->_tx[i]._xmit_lock,	\
-				  &qdisc_xmit_lock_key);	\
-}
-
 u16 netdev_pick_tx(struct net_device *dev, struct sk_buff *skb,
 		     struct net_device *sb_dev);
 struct netdev_queue *netdev_core_pick_tx(struct net_device *dev,
@@ -3139,6 +3132,7 @@ static inline void netif_stop_queue(struct net_device *dev)
 }
 
 void netif_tx_stop_all_queues(struct net_device *dev);
+void netdev_update_lockdep_key(struct net_device *dev);
 
 static inline bool netif_tx_queue_stopped(const struct netdev_queue *dev_queue)
 {
@@ -4056,16 +4050,6 @@ static inline void netif_addr_lock(struct net_device *dev)
 	spin_lock(&dev->addr_list_lock);
 }
 
-static inline void netif_addr_lock_nested(struct net_device *dev)
-{
-	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)
 {
 	spin_lock_bh(&dev->addr_list_lock);
@@ -4329,6 +4313,16 @@ int netdev_master_upper_dev_link(struct net_device *dev,
 				 struct netlink_ext_ack *extack);
 void netdev_upper_dev_unlink(struct net_device *dev,
 			     struct net_device *upper_dev);
+int netdev_adjacent_change_prepare(struct net_device *old_dev,
+				   struct net_device *new_dev,
+				   struct net_device *dev,
+				   struct netlink_ext_ack *extack);
+void netdev_adjacent_change_commit(struct net_device *old_dev,
+				   struct net_device *new_dev,
+				   struct net_device *dev);
+void netdev_adjacent_change_abort(struct net_device *old_dev,
+				  struct net_device *new_dev,
+				  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);
@@ -4340,7 +4334,6 @@ void netdev_lower_state_changed(struct net_device *lower_dev,
 extern u8 netdev_rss_key[NETDEV_RSS_KEY_LEN] __read_mostly;
 void netdev_rss_key_fill(void *buffer, size_t len);
 
-int dev_get_nest_level(struct net_device *dev);
 int skb_checksum_help(struct sk_buff *skb);
 int skb_crc32c_csum_help(struct sk_buff *skb);
 int skb_csum_hwoffload_help(struct sk_buff *skb,
diff --git a/include/linux/page-flags.h b/include/linux/page-flags.h
index f91cb8898ff0..1bf83c8fcaa7 100644
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@@ -622,12 +622,28 @@ static inline int PageTransCompound(struct page *page)
  *
  * Unlike PageTransCompound, this is safe to be called only while
  * split_huge_pmd() cannot run from under us, like if protected by the
- * MMU notifier, otherwise it may result in page->_mapcount < 0 false
+ * MMU notifier, otherwise it may result in page->_mapcount check false
  * positives.
+ *
+ * We have to treat page cache THP differently since every subpage of it
+ * would get _mapcount inc'ed once it is PMD mapped.  But, it may be PTE
+ * mapped in the current process so comparing subpage's _mapcount to
+ * compound_mapcount to filter out PTE mapped case.
  */
 static inline int PageTransCompoundMap(struct page *page)
 {
-	return PageTransCompound(page) && atomic_read(&page->_mapcount) < 0;
+	struct page *head;
+
+	if (!PageTransCompound(page))
+		return 0;
+
+	if (PageAnon(page))
+		return atomic_read(&page->_mapcount) < 0;
+
+	head = compound_head(page);
+	/* File THP is PMD mapped and not PTE mapped */
+	return atomic_read(&page->_mapcount) ==
+	       atomic_read(compound_mapcount_ptr(head));
 }
 
 /*
diff --git a/include/linux/page_ext.h b/include/linux/page_ext.h
index 682fd465df06..cfce186f0c4e 100644
--- a/include/linux/page_ext.h
+++ b/include/linux/page_ext.h
@@ -18,7 +18,7 @@ struct page_ext_operations {
 
 enum page_ext_flags {
 	PAGE_EXT_OWNER,
-	PAGE_EXT_OWNER_ACTIVE,
+	PAGE_EXT_OWNER_ALLOCATED,
 #if defined(CONFIG_IDLE_PAGE_TRACKING) && !defined(CONFIG_64BIT)
 	PAGE_EXT_YOUNG,
 	PAGE_EXT_IDLE,
@@ -36,6 +36,7 @@ struct page_ext {
 	unsigned long flags;
 };
 
+extern unsigned long page_ext_size;
 extern void pgdat_page_ext_init(struct pglist_data *pgdat);
 
 #ifdef CONFIG_SPARSEMEM
@@ -52,6 +53,13 @@ static inline void page_ext_init(void)
 
 struct page_ext *lookup_page_ext(const struct page *page);
 
+static inline struct page_ext *page_ext_next(struct page_ext *curr)
+{
+	void *next = curr;
+	next += page_ext_size;
+	return next;
+}
+
 #else /* !CONFIG_PAGE_EXTENSION */
 struct page_ext;
 
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index 61448c19a132..68ccc5b1913b 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -292,7 +292,7 @@ struct pmu {
 	 *  -EBUSY	-- @event is for this PMU but PMU temporarily unavailable
 	 *  -EINVAL	-- @event is for this PMU but @event is not valid
 	 *  -EOPNOTSUPP -- @event is for this PMU, @event is valid, but not supported
-	 *  -EACCESS	-- @event is for this PMU, @event is valid, but no privilidges
+	 *  -EACCES	-- @event is for this PMU, @event is valid, but no privileges
 	 *
 	 *  0		-- @event is for this PMU and valid
 	 *
diff --git a/include/linux/phy.h b/include/linux/phy.h
index a7ecbe0e55aa..9a0e981df502 100644
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@@ -678,6 +678,7 @@ static inline bool phy_is_started(struct phy_device *phydev)
 	return phydev->state >= PHY_UP;
 }
 
+void phy_resolve_aneg_pause(struct phy_device *phydev);
 void phy_resolve_aneg_linkmode(struct phy_device *phydev);
 
 /**
@@ -1076,6 +1077,7 @@ int genphy_config_eee_advert(struct phy_device *phydev);
 int __genphy_config_aneg(struct phy_device *phydev, bool changed);
 int genphy_aneg_done(struct phy_device *phydev);
 int genphy_update_link(struct phy_device *phydev);
+int genphy_read_lpa(struct phy_device *phydev);
 int genphy_read_status(struct phy_device *phydev);
 int genphy_suspend(struct phy_device *phydev);
 int genphy_resume(struct phy_device *phydev);
diff --git a/include/linux/platform_data/dma-imx-sdma.h b/include/linux/platform_data/dma-imx-sdma.h
index 6eaa53cef0bd..30e676b36b24 100644
--- a/include/linux/platform_data/dma-imx-sdma.h
+++ b/include/linux/platform_data/dma-imx-sdma.h
@@ -51,7 +51,10 @@ struct sdma_script_start_addrs {
 	/* End of v2 array */
 	s32 zcanfd_2_mcu_addr;
 	s32 zqspi_2_mcu_addr;
+	s32 mcu_2_ecspi_addr;
 	/* End of v3 array */
+	s32 mcu_2_zqspi_addr;
+	/* End of v4 array */
 };
 
 /**
diff --git a/include/linux/platform_device.h b/include/linux/platform_device.h
index 1b5cec067533..f2688404d1cd 100644
--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@@ -64,6 +64,8 @@ extern struct resource *platform_get_resource_byname(struct platform_device *,
 						     unsigned int,
 						     const char *);
 extern int platform_get_irq_byname(struct platform_device *, const char *);
+extern int platform_get_irq_byname_optional(struct platform_device *dev,
+					    const char *name);
 extern int platform_add_devices(struct platform_device **, int);
 
 struct platform_device_info {
diff --git a/include/linux/pm_qos.h b/include/linux/pm_qos.h
index 222c3e01397c..ebf5ef17cc2a 100644
--- a/include/linux/pm_qos.h
+++ b/include/linux/pm_qos.h
@@ -34,8 +34,6 @@ enum pm_qos_flags_status {
 #define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT	PM_QOS_LATENCY_ANY
 #define PM_QOS_RESUME_LATENCY_NO_CONSTRAINT_NS	PM_QOS_LATENCY_ANY_NS
 #define PM_QOS_LATENCY_TOLERANCE_DEFAULT_VALUE	0
-#define PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE	0
-#define PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE	(-1)
 #define PM_QOS_LATENCY_TOLERANCE_NO_CONSTRAINT	(-1)
 
 #define PM_QOS_FLAG_NO_POWER_OFF	(1 << 0)
@@ -54,8 +52,6 @@ struct pm_qos_flags_request {
 enum dev_pm_qos_req_type {
 	DEV_PM_QOS_RESUME_LATENCY = 1,
 	DEV_PM_QOS_LATENCY_TOLERANCE,
-	DEV_PM_QOS_MIN_FREQUENCY,
-	DEV_PM_QOS_MAX_FREQUENCY,
 	DEV_PM_QOS_FLAGS,
 };
 
@@ -97,14 +93,10 @@ struct pm_qos_flags {
 struct dev_pm_qos {
 	struct pm_qos_constraints resume_latency;
 	struct pm_qos_constraints latency_tolerance;
-	struct pm_qos_constraints min_frequency;
-	struct pm_qos_constraints max_frequency;
 	struct pm_qos_flags flags;
 	struct dev_pm_qos_request *resume_latency_req;
 	struct dev_pm_qos_request *latency_tolerance_req;
 	struct dev_pm_qos_request *flags_req;
-	struct dev_pm_qos_request *min_frequency_req;
-	struct dev_pm_qos_request *max_frequency_req;
 };
 
 /* Action requested to pm_qos_update_target */
@@ -199,10 +191,6 @@ static inline s32 dev_pm_qos_read_value(struct device *dev,
 	switch (type) {
 	case DEV_PM_QOS_RESUME_LATENCY:
 		return PM_QOS_RESUME_LATENCY_NO_CONSTRAINT;
-	case DEV_PM_QOS_MIN_FREQUENCY:
-		return PM_QOS_MIN_FREQUENCY_DEFAULT_VALUE;
-	case DEV_PM_QOS_MAX_FREQUENCY:
-		return PM_QOS_MAX_FREQUENCY_DEFAULT_VALUE;
 	default:
 		WARN_ON(1);
 		return 0;
@@ -267,4 +255,48 @@ static inline s32 dev_pm_qos_raw_resume_latency(struct device *dev)
 }
 #endif
 
+#define FREQ_QOS_MIN_DEFAULT_VALUE	0
+#define FREQ_QOS_MAX_DEFAULT_VALUE	(-1)
+
+enum freq_qos_req_type {
+	FREQ_QOS_MIN = 1,
+	FREQ_QOS_MAX,
+};
+
+struct freq_constraints {
+	struct pm_qos_constraints min_freq;
+	struct blocking_notifier_head min_freq_notifiers;
+	struct pm_qos_constraints max_freq;
+	struct blocking_notifier_head max_freq_notifiers;
+};
+
+struct freq_qos_request {
+	enum freq_qos_req_type type;
+	struct plist_node pnode;
+	struct freq_constraints *qos;
+};
+
+static inline int freq_qos_request_active(struct freq_qos_request *req)
+{
+	return !IS_ERR_OR_NULL(req->qos);
+}
+
+void freq_constraints_init(struct freq_constraints *qos);
+
+s32 freq_qos_read_value(struct freq_constraints *qos,
+			enum freq_qos_req_type type);
+
+int freq_qos_add_request(struct freq_constraints *qos,
+			 struct freq_qos_request *req,
+			 enum freq_qos_req_type type, s32 value);
+int freq_qos_update_request(struct freq_qos_request *req, s32 new_value);
+int freq_qos_remove_request(struct freq_qos_request *req);
+
+int freq_qos_add_notifier(struct freq_constraints *qos,
+			  enum freq_qos_req_type type,
+			  struct notifier_block *notifier);
+int freq_qos_remove_notifier(struct freq_constraints *qos,
+			     enum freq_qos_req_type type,
+			     struct notifier_block *notifier);
+
 #endif
diff --git a/include/linux/radix-tree.h b/include/linux/radix-tree.h
index b5116013f27e..63e62372443a 100644
--- a/include/linux/radix-tree.h
+++ b/include/linux/radix-tree.h
@@ -316,24 +316,6 @@ radix_tree_iter_lookup(const struct radix_tree_root *root,
 }
 
 /**
- * radix_tree_iter_find - find a present entry
- * @root: radix tree root
- * @iter: iterator state
- * @index: start location
- *
- * This function returns the slot containing the entry with the lowest index
- * which is at least @index.  If @index is larger than any present entry, this
- * function returns NULL.  The @iter is updated to describe the entry found.
- */
-static inline void __rcu **
-radix_tree_iter_find(const struct radix_tree_root *root,
-			struct radix_tree_iter *iter, unsigned long index)
-{
-	radix_tree_iter_init(iter, index);
-	return radix_tree_next_chunk(root, iter, 0);
-}
-
-/**
  * radix_tree_iter_retry - retry this chunk of the iteration
  * @iter:	iterator state
  *
diff --git a/include/linux/reset-controller.h b/include/linux/reset-controller.h
index 9326d671b6e6..eaae6b4e9f24 100644
--- a/include/linux/reset-controller.h
+++ b/include/linux/reset-controller.h
@@ -7,7 +7,7 @@
 struct reset_controller_dev;
 
 /**
- * struct reset_control_ops
+ * struct reset_control_ops - reset controller driver callbacks
  *
  * @reset: for self-deasserting resets, does all necessary
  *         things to reset the device
@@ -33,7 +33,7 @@ struct of_phandle_args;
  * @provider: name of the reset controller device controlling this reset line
  * @index: ID of the reset controller in the reset controller device
  * @dev_id: name of the device associated with this reset line
- * @con_id name of the reset line (can be NULL)
+ * @con_id: name of the reset line (can be NULL)
  */
 struct reset_control_lookup {
 	struct list_head list;
diff --git a/include/linux/reset.h b/include/linux/reset.h
index e7793fc0fa93..eb597e8aa430 100644
--- a/include/linux/reset.h
+++ b/include/linux/reset.h
@@ -143,7 +143,7 @@ static inline int device_reset_optional(struct device *dev)
  * If this function is called more than once for the same reset_control it will
  * return -EBUSY.
  *
- * See reset_control_get_shared for details on shared references to
+ * See reset_control_get_shared() for details on shared references to
  * reset-controls.
  *
  * Use of id names is optional.
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 988c4da00c31..84b26d38c929 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -223,6 +223,7 @@ extern long schedule_timeout_uninterruptible(long timeout);
 extern long schedule_timeout_idle(long timeout);
 asmlinkage void schedule(void);
 extern void schedule_preempt_disabled(void);
+asmlinkage void preempt_schedule_irq(void);
 
 extern int __must_check io_schedule_prepare(void);
 extern void io_schedule_finish(int token);
diff --git a/include/linux/security.h b/include/linux/security.h
index a8d59d612d27..9df7547afc0c 100644
--- a/include/linux/security.h
+++ b/include/linux/security.h
@@ -105,6 +105,7 @@ enum lockdown_reason {
 	LOCKDOWN_NONE,
 	LOCKDOWN_MODULE_SIGNATURE,
 	LOCKDOWN_DEV_MEM,
+	LOCKDOWN_EFI_TEST,
 	LOCKDOWN_KEXEC,
 	LOCKDOWN_HIBERNATION,
 	LOCKDOWN_PCI_ACCESS,
diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h
index e7d3b1a513ef..64a395c7f689 100644
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@@ -1354,7 +1354,8 @@ static inline __u32 skb_get_hash_flowi6(struct sk_buff *skb, const struct flowi6
 	return skb->hash;
 }
 
-__u32 skb_get_hash_perturb(const struct sk_buff *skb, u32 perturb);
+__u32 skb_get_hash_perturb(const struct sk_buff *skb,
+			   const siphash_key_t *perturb);
 
 static inline __u32 skb_get_hash_raw(const struct sk_buff *skb)
 {
@@ -1495,6 +1496,19 @@ static inline int skb_queue_empty(const struct sk_buff_head *list)
 }
 
 /**
+ *	skb_queue_empty_lockless - check if a queue is empty
+ *	@list: queue head
+ *
+ *	Returns true if the queue is empty, false otherwise.
+ *	This variant can be used in lockless contexts.
+ */
+static inline bool skb_queue_empty_lockless(const struct sk_buff_head *list)
+{
+	return READ_ONCE(list->next) == (const struct sk_buff *) list;
+}
+
+
+/**
  *	skb_queue_is_last - check if skb is the last entry in the queue
  *	@list: queue head
  *	@skb: buffer
@@ -1847,9 +1861,11 @@ static inline void __skb_insert(struct sk_buff *newsk,
 				struct sk_buff *prev, struct sk_buff *next,
 				struct sk_buff_head *list)
 {
-	newsk->next = next;
-	newsk->prev = prev;
-	next->prev  = prev->next = newsk;
+	/* see skb_queue_empty_lockless() for the opposite READ_ONCE() */
+	WRITE_ONCE(newsk->next, next);
+	WRITE_ONCE(newsk->prev, prev);
+	WRITE_ONCE(next->prev, newsk);
+	WRITE_ONCE(prev->next, newsk);
 	list->qlen++;
 }
 
@@ -1860,11 +1876,11 @@ static inline void __skb_queue_splice(const struct sk_buff_head *list,
 	struct sk_buff *first = list->next;
 	struct sk_buff *last = list->prev;
 
-	first->prev = prev;
-	prev->next = first;
+	WRITE_ONCE(first->prev, prev);
+	WRITE_ONCE(prev->next, first);
 
-	last->next = next;
-	next->prev = last;
+	WRITE_ONCE(last->next, next);
+	WRITE_ONCE(next->prev, last);
 }
 
 /**
@@ -2005,8 +2021,8 @@ static inline void __skb_unlink(struct sk_buff *skb, struct sk_buff_head *list)
 	next	   = skb->next;
 	prev	   = skb->prev;
 	skb->next  = skb->prev = NULL;
-	next->prev = prev;
-	prev->next = next;
+	WRITE_ONCE(next->prev, prev);
+	WRITE_ONCE(prev->next, next);
 }
 
 /**
@@ -3510,8 +3526,9 @@ int skb_ensure_writable(struct sk_buff *skb, int write_len);
 int __skb_vlan_pop(struct sk_buff *skb, u16 *vlan_tci);
 int skb_vlan_pop(struct sk_buff *skb);
 int skb_vlan_push(struct sk_buff *skb, __be16 vlan_proto, u16 vlan_tci);
-int skb_mpls_push(struct sk_buff *skb, __be32 mpls_lse, __be16 mpls_proto);
-int skb_mpls_pop(struct sk_buff *skb, __be16 next_proto);
+int skb_mpls_push(struct sk_buff *skb, __be32 mpls_lse, __be16 mpls_proto,
+		  int mac_len);
+int skb_mpls_pop(struct sk_buff *skb, __be16 next_proto, int mac_len);
 int skb_mpls_update_lse(struct sk_buff *skb, __be32 mpls_lse);
 int skb_mpls_dec_ttl(struct sk_buff *skb);
 struct sk_buff *pskb_extract(struct sk_buff *skb, int off, int to_copy,
@@ -4160,15 +4177,12 @@ static inline void __skb_ext_copy(struct sk_buff *d, const struct sk_buff *s) {}
 static inline void skb_ext_copy(struct sk_buff *dst, const struct sk_buff *s) {}
 #endif /* CONFIG_SKB_EXTENSIONS */
 
-static inline void nf_reset(struct sk_buff *skb)
+static inline void nf_reset_ct(struct sk_buff *skb)
 {
 #if defined(CONFIG_NF_CONNTRACK) || defined(CONFIG_NF_CONNTRACK_MODULE)
 	nf_conntrack_put(skb_nfct(skb));
 	skb->_nfct = 0;
 #endif
-#if IS_ENABLED(CONFIG_BRIDGE_NETFILTER)
-	skb_ext_del(skb, SKB_EXT_BRIDGE_NF);
-#endif
 }
 
 static inline void nf_reset_trace(struct sk_buff *skb)
diff --git a/include/linux/skmsg.h b/include/linux/skmsg.h
index e4b3fb4bb77c..ce7055259877 100644
--- a/include/linux/skmsg.h
+++ b/include/linux/skmsg.h
@@ -139,6 +139,11 @@ static inline void sk_msg_apply_bytes(struct sk_psock *psock, u32 bytes)
 	}
 }
 
+static inline u32 sk_msg_iter_dist(u32 start, u32 end)
+{
+	return end >= start ? end - start : end + (MAX_MSG_FRAGS - start);
+}
+
 #define sk_msg_iter_var_prev(var)			\
 	do {						\
 		if (var == 0)				\
@@ -198,9 +203,7 @@ static inline u32 sk_msg_elem_used(const struct sk_msg *msg)
 	if (sk_msg_full(msg))
 		return MAX_MSG_FRAGS;
 
-	return msg->sg.end >= msg->sg.start ?
-		msg->sg.end - msg->sg.start :
-		msg->sg.end + (MAX_MSG_FRAGS - msg->sg.start);
+	return sk_msg_iter_dist(msg->sg.start, msg->sg.end);
 }
 
 static inline struct scatterlist *sk_msg_elem(struct sk_msg *msg, int which)
diff --git a/include/linux/slab.h b/include/linux/slab.h
index ab2b98ad76e1..4d2a2fa55ed5 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -493,6 +493,10 @@ static __always_inline void *kmalloc_large(size_t size, gfp_t flags)
  * kmalloc is the normal method of allocating memory
  * for objects smaller than page size in the kernel.
  *
+ * The allocated object address is aligned to at least ARCH_KMALLOC_MINALIGN
+ * bytes. For @size of power of two bytes, the alignment is also guaranteed
+ * to be at least to the size.
+ *
  * The @flags argument may be one of the GFP flags defined at
  * include/linux/gfp.h and described at
  * :ref:`Documentation/core-api/mm-api.rst <mm-api-gfp-flags>`
diff --git a/include/linux/socket.h b/include/linux/socket.h
index fc0bed59fc84..4049d9755cf1 100644
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@@ -263,7 +263,7 @@ struct ucred {
 #define PF_MAX		AF_MAX
 
 /* Maximum queue length specifiable by listen.  */
-#define SOMAXCONN	128
+#define SOMAXCONN	4096
 
 /* Flags we can use with send/ and recv.
    Added those for 1003.1g not all are supported yet
diff --git a/include/linux/string.h b/include/linux/string.h
index b2f9df7f0761..b6ccdc2c7f02 100644
--- a/include/linux/string.h
+++ b/include/linux/string.h
@@ -227,7 +227,26 @@ static inline bool strstarts(const char *str, const char *prefix)
 }
 
 size_t memweight(const void *ptr, size_t bytes);
-void memzero_explicit(void *s, size_t count);
+
+/**
+ * memzero_explicit - Fill a region of memory (e.g. sensitive
+ *		      keying data) with 0s.
+ * @s: Pointer to the start of the area.
+ * @count: The size of the area.
+ *
+ * Note: usually using memset() is just fine (!), but in cases
+ * where clearing out _local_ data at the end of a scope is
+ * necessary, memzero_explicit() should be used instead in
+ * order to prevent the compiler from optimising away zeroing.
+ *
+ * memzero_explicit() doesn't need an arch-specific version as
+ * it just invokes the one of memset() implicitly.
+ */
+static inline void memzero_explicit(void *s, size_t count)
+{
+	memset(s, 0, count);
+	barrier_data(s);
+}
 
 /**
  * kbasename - return the last part of a pathname.
diff --git a/include/linux/sunrpc/bc_xprt.h b/include/linux/sunrpc/bc_xprt.h
index 87d27e13d885..d796058cdff2 100644
--- a/include/linux/sunrpc/bc_xprt.h
+++ b/include/linux/sunrpc/bc_xprt.h
@@ -64,6 +64,11 @@ static inline int xprt_setup_backchannel(struct rpc_xprt *xprt,
 	return 0;
 }
 
+static inline void xprt_destroy_backchannel(struct rpc_xprt *xprt,
+					    unsigned int max_reqs)
+{
+}
+
 static inline bool svc_is_backchannel(const struct svc_rqst *rqstp)
 {
 	return false;
diff --git a/include/linux/sunrpc/xprtsock.h b/include/linux/sunrpc/xprtsock.h
index 7638dbe7bc50..a940de03808d 100644
--- a/include/linux/sunrpc/xprtsock.h
+++ b/include/linux/sunrpc/xprtsock.h
@@ -61,6 +61,7 @@ struct sock_xprt {
 	struct mutex		recv_mutex;
 	struct sockaddr_storage	srcaddr;
 	unsigned short		srcport;
+	int			xprt_err;
 
 	/*
 	 * UDP socket buffer size parameters
diff --git a/include/linux/sysfs.h b/include/linux/sysfs.h
index 5420817ed317..fa7ee503fb76 100644
--- a/include/linux/sysfs.h
+++ b/include/linux/sysfs.h
@@ -196,9 +196,9 @@ struct bin_attribute {
 	.size	= _size,						\
 }
 
-#define __BIN_ATTR_WO(_name) {						\
+#define __BIN_ATTR_WO(_name, _size) {					\
 	.attr	= { .name = __stringify(_name), .mode = 0200 },		\
-	.store	= _name##_store,					\
+	.write	= _name##_write,					\
 	.size	= _size,						\
 }
 
diff --git a/include/linux/tcp.h b/include/linux/tcp.h
index 99617e528ea2..668e25a76d69 100644
--- a/include/linux/tcp.h
+++ b/include/linux/tcp.h
@@ -393,7 +393,7 @@ struct tcp_sock {
 	/* fastopen_rsk points to request_sock that resulted in this big
 	 * socket. Used to retransmit SYNACKs etc.
 	 */
-	struct request_sock *fastopen_rsk;
+	struct request_sock __rcu *fastopen_rsk;
 	u32	*saved_syn;
 };
 
@@ -447,8 +447,8 @@ static inline struct tcp_timewait_sock *tcp_twsk(const struct sock *sk)
 
 static inline bool tcp_passive_fastopen(const struct sock *sk)
 {
-	return (sk->sk_state == TCP_SYN_RECV &&
-		tcp_sk(sk)->fastopen_rsk != NULL);
+	return sk->sk_state == TCP_SYN_RECV &&
+	       rcu_access_pointer(tcp_sk(sk)->fastopen_rsk) != NULL;
 }
 
 static inline void fastopen_queue_tune(struct sock *sk, int backlog)
diff --git a/include/linux/tpm_eventlog.h b/include/linux/tpm_eventlog.h
index 63238c84dc0b..131ea1bad458 100644
--- a/include/linux/tpm_eventlog.h
+++ b/include/linux/tpm_eventlog.h
@@ -152,7 +152,7 @@ struct tcg_algorithm_info {
  * total. Once we've done this we know the offset of the data length field,
  * and can calculate the total size of the event.
  *
- * Return: size of the event on success, <0 on failure
+ * Return: size of the event on success, 0 on failure
  */
 
 static inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
@@ -170,6 +170,7 @@ static inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
 	u16 halg;
 	int i;
 	int j;
+	u32 count, event_type;
 
 	marker = event;
 	marker_start = marker;
@@ -190,16 +191,22 @@ static inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
 	}
 
 	event = (struct tcg_pcr_event2_head *)mapping;
+	/*
+	 * The loop below will unmap these fields if the log is larger than
+	 * one page, so save them here for reference:
+	 */
+	count = READ_ONCE(event->count);
+	event_type = READ_ONCE(event->event_type);
 
 	efispecid = (struct tcg_efi_specid_event_head *)event_header->event;
 
 	/* Check if event is malformed. */
-	if (event->count > efispecid->num_algs) {
+	if (count > efispecid->num_algs) {
 		size = 0;
 		goto out;
 	}
 
-	for (i = 0; i < event->count; i++) {
+	for (i = 0; i < count; i++) {
 		halg_size = sizeof(event->digests[i].alg_id);
 
 		/* Map the digest's algorithm identifier */
@@ -256,8 +263,9 @@ static inline int __calc_tpm2_event_size(struct tcg_pcr_event2_head *event,
 		+ event_field->event_size;
 	size = marker - marker_start;
 
-	if ((event->event_type == 0) && (event_field->event_size == 0))
+	if (event_type == 0 && event_field->event_size == 0)
 		size = 0;
+
 out:
 	if (do_mapping)
 		TPM_MEMUNMAP(mapping, mapping_size);
diff --git a/include/linux/uaccess.h b/include/linux/uaccess.h
index 70bbdc38dc37..d4ee6e942562 100644
--- a/include/linux/uaccess.h
+++ b/include/linux/uaccess.h
@@ -231,6 +231,76 @@ __copy_from_user_inatomic_nocache(void *to, const void __user *from,
 
 #endif		/* ARCH_HAS_NOCACHE_UACCESS */
 
+extern __must_check int check_zeroed_user(const void __user *from, size_t size);
+
+/**
+ * copy_struct_from_user: copy a struct from userspace
+ * @dst:   Destination address, in kernel space. This buffer must be @ksize
+ *         bytes long.
+ * @ksize: Size of @dst struct.
+ * @src:   Source address, in userspace.
+ * @usize: (Alleged) size of @src struct.
+ *
+ * Copies a struct from userspace to kernel space, in a way that guarantees
+ * backwards-compatibility for struct syscall arguments (as long as future
+ * struct extensions are made such that all new fields are *appended* to the
+ * old struct, and zeroed-out new fields have the same meaning as the old
+ * struct).
+ *
+ * @ksize is just sizeof(*dst), and @usize should've been passed by userspace.
+ * The recommended usage is something like the following:
+ *
+ *   SYSCALL_DEFINE2(foobar, const struct foo __user *, uarg, size_t, usize)
+ *   {
+ *      int err;
+ *      struct foo karg = {};
+ *
+ *      if (usize > PAGE_SIZE)
+ *        return -E2BIG;
+ *      if (usize < FOO_SIZE_VER0)
+ *        return -EINVAL;
+ *
+ *      err = copy_struct_from_user(&karg, sizeof(karg), uarg, usize);
+ *      if (err)
+ *        return err;
+ *
+ *      // ...
+ *   }
+ *
+ * There are three cases to consider:
+ *  * If @usize == @ksize, then it's copied verbatim.
+ *  * If @usize < @ksize, then the userspace has passed an old struct to a
+ *    newer kernel. The rest of the trailing bytes in @dst (@ksize - @usize)
+ *    are to be zero-filled.
+ *  * If @usize > @ksize, then the userspace has passed a new struct to an
+ *    older kernel. The trailing bytes unknown to the kernel (@usize - @ksize)
+ *    are checked to ensure they are zeroed, otherwise -E2BIG is returned.
+ *
+ * Returns (in all cases, some data may have been copied):
+ *  * -E2BIG:  (@usize > @ksize) and there are non-zero trailing bytes in @src.
+ *  * -EFAULT: access to userspace failed.
+ */
+static __always_inline __must_check int
+copy_struct_from_user(void *dst, size_t ksize, const void __user *src,
+		      size_t usize)
+{
+	size_t size = min(ksize, usize);
+	size_t rest = max(ksize, usize) - size;
+
+	/* Deal with trailing bytes. */
+	if (usize < ksize) {
+		memset(dst + size, 0, rest);
+	} else if (usize > ksize) {
+		int ret = check_zeroed_user(src + size, rest);
+		if (ret <= 0)
+			return ret ?: -E2BIG;
+	}
+	/* Copy the interoperable parts of the struct. */
+	if (copy_from_user(dst, src, size))
+		return -EFAULT;
+	return 0;
+}
+
 /*
  * probe_kernel_read(): safely attempt to read from a location
  * @dst: pointer to the buffer that shall take the data
@@ -285,8 +355,10 @@ extern long strnlen_unsafe_user(const void __user *unsafe_addr, long count);
 #ifndef user_access_begin
 #define user_access_begin(ptr,len) access_ok(ptr, len)
 #define user_access_end() do { } while (0)
-#define unsafe_get_user(x, ptr, err) do { if (unlikely(__get_user(x, ptr))) goto err; } while (0)
-#define unsafe_put_user(x, ptr, err) do { if (unlikely(__put_user(x, ptr))) goto err; } while (0)
+#define unsafe_op_wrap(op, err) do { if (unlikely(op)) goto err; } while (0)
+#define unsafe_get_user(x,p,e) unsafe_op_wrap(__get_user(x,p),e)
+#define unsafe_put_user(x,p,e) unsafe_op_wrap(__put_user(x,p),e)
+#define unsafe_copy_to_user(d,s,l,e) unsafe_op_wrap(__copy_to_user(d,s,l),e)
 static inline unsigned long user_access_save(void) { return 0UL; }
 static inline void user_access_restore(unsigned long flags) { }
 #endif
diff --git a/include/linux/virtio_vsock.h b/include/linux/virtio_vsock.h
index 4c7781f4b29b..07875ccc7bb5 100644
--- a/include/linux/virtio_vsock.h
+++ b/include/linux/virtio_vsock.h
@@ -48,7 +48,6 @@ struct virtio_vsock_sock {
 
 struct virtio_vsock_pkt {
 	struct virtio_vsock_hdr	hdr;
-	struct work_struct work;
 	struct list_head list;
 	/* socket refcnt not held, only use for cancellation */
 	struct vsock_sock *vsk;
diff --git a/include/linux/xarray.h b/include/linux/xarray.h
index 5921599b6dc4..86eecbd98e84 100644
--- a/include/linux/xarray.h
+++ b/include/linux/xarray.h
@@ -230,8 +230,8 @@ static inline int xa_err(void *entry)
  * This structure is used either directly or via the XA_LIMIT() macro
  * to communicate the range of IDs that are valid for allocation.
  * Two common ranges are predefined for you:
- *  * xa_limit_32b	- [0 - UINT_MAX]
- *  * xa_limit_31b	- [0 - INT_MAX]
+ * * xa_limit_32b	- [0 - UINT_MAX]
+ * * xa_limit_31b	- [0 - INT_MAX]
  */
 struct xa_limit {
 	u32 max;