Linux 5.6

-----BEGIN PGP SIGNATURE----- iQFSBAABCAA8FiEEq68RxlopcLEwq+PEeb4+QwBBGIYFAl6BIG4eHHRvcnZhbGRz QGxpbnV4LWZvdW5kYXRpb24ub3JnAAoJEHm+PkMAQRiGlHUH/RCFve2sfHRPjRW+ xR5SaLVAw6XKvtKBq7yvKmHEwqNJnL79IHyqqtSrtfFr2FfaH/KvYiCbbAezvSrM np0udGu7STKGd21CWuyEZJudyhXkOwMRNiFiCXWp7rs35oh8T0TpJxMzo2Nc1nLk JFQPqAP6OSvq4IkWEywKQI+Au3Z1IBf83xVjZ1s+MKPQHYD49x2hc4cQntL5/cnm a3DoR2iBkYiGZCZ9dDqAqJTnMQIiCbACdZXgGjNRUpdyA/dtAjsMl11NPYHm8TA2 3AHBupAK50WBZGad6xv2qKQyScsmoJG2mv92QjlOFz0Tpiu6rLnDlLYREDVB6YH6 qbLDsc8= =XEIU -----END PGP SIGNATURE----- Merge v5.6 into drm-next msm needed rc6, so I just went and merged release (msm has been in drm-next outside of this tree) Signed-off-by: Dave Airlie <airlied@redhat.com>
2020-03-31 15:15:47 +10:00 · 2020-03-31 15:15:47 +10:00 · 5fc0df93fc
commit 5fc0df93fc
parent 700d6ab987 7111951b8d
666 changed files with 6439 additions and 2887 deletions
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@ -160,6 +160,7 @@ static inline void copy_map_value(struct bpf_map *map, void *dst, void *src)
 }
 void copy_map_value_locked(struct bpf_map *map, void *dst, void *src,
 			   bool lock_src);
+int bpf_obj_name_cpy(char *dst, const char *src, unsigned int size);

 struct bpf_offload_dev;
 struct bpf_offloaded_map;
--- a/include/linux/ceph/messenger.h
+++ b/include/linux/ceph/messenger.h
@ -175,9 +175,10 @@ struct ceph_msg_data {
 #endif /* CONFIG_BLOCK */
 		struct ceph_bvec_iter	bvec_pos;
 		struct {
-			struct page	**pages;	/* NOT OWNER. */
+			struct page	**pages;
 			size_t		length;		/* total # bytes */
 			unsigned int	alignment;	/* first page */
+			bool		own_pages;
 		};
 		struct ceph_pagelist	*pagelist;
 	};
@ -356,8 +357,8 @@ extern void ceph_con_keepalive(struct ceph_connection *con);
 extern bool ceph_con_keepalive_expired(struct ceph_connection *con,
 				       unsigned long interval);

-extern void ceph_msg_data_add_pages(struct ceph_msg *msg, struct page **pages,
-				size_t length, size_t alignment);
+void ceph_msg_data_add_pages(struct ceph_msg *msg, struct page **pages,
+			     size_t length, size_t alignment, bool own_pages);
 extern void ceph_msg_data_add_pagelist(struct ceph_msg *msg,
 				struct ceph_pagelist *pagelist);
 #ifdef CONFIG_BLOCK
--- a/include/linux/ceph/osdmap.h
+++ b/include/linux/ceph/osdmap.h
@ -37,6 +37,9 @@ int ceph_spg_compare(const struct ceph_spg *lhs, const struct ceph_spg *rhs);
 #define CEPH_POOL_FLAG_HASHPSPOOL	(1ULL << 0) /* hash pg seed and pool id
 						       together */
 #define CEPH_POOL_FLAG_FULL		(1ULL << 1) /* pool is full */
+#define CEPH_POOL_FLAG_FULL_QUOTA	(1ULL << 10) /* pool ran out of quota,
+							will set FULL too */
+#define CEPH_POOL_FLAG_NEARFULL		(1ULL << 11) /* pool is nearfull */

 struct ceph_pg_pool_info {
 	struct rb_node node;
@ -304,5 +307,6 @@ extern struct ceph_pg_pool_info *ceph_pg_pool_by_id(struct ceph_osdmap *map,

 extern const char *ceph_pg_pool_name_by_id(struct ceph_osdmap *map, u64 id);
 extern int ceph_pg_poolid_by_name(struct ceph_osdmap *map, const char *name);
+u64 ceph_pg_pool_flags(struct ceph_osdmap *map, u64 id);

 #endif
--- a/include/linux/ceph/rados.h
+++ b/include/linux/ceph/rados.h
@ -143,8 +143,10 @@ extern const char *ceph_osd_state_name(int s);
 /*
 * osd map flag bits
 */
-#define CEPH_OSDMAP_NEARFULL (1<<0)  /* sync writes (near ENOSPC) */
-#define CEPH_OSDMAP_FULL     (1<<1)  /* no data writes (ENOSPC) */
+#define CEPH_OSDMAP_NEARFULL (1<<0)  /* sync writes (near ENOSPC),
+					not set since ~luminous */
+#define CEPH_OSDMAP_FULL     (1<<1)  /* no data writes (ENOSPC),
+					not set since ~luminous */
 #define CEPH_OSDMAP_PAUSERD  (1<<2)  /* pause all reads */
 #define CEPH_OSDMAP_PAUSEWR  (1<<3)  /* pause all writes */
 #define CEPH_OSDMAP_PAUSEREC (1<<4)  /* pause recovery */
--- a/include/linux/cgroup.h
+++ b/include/linux/cgroup.h
@ -62,6 +62,7 @@ struct css_task_iter {
 	struct list_head		*mg_tasks_head;
 	struct list_head		*dying_tasks_head;

+	struct list_head		*cur_tasks_head;
 	struct css_set			*cur_cset;
 	struct css_set			*cur_dcset;
 	struct task_struct		*cur_task;
--- a/include/linux/clk-provider.h
+++ b/include/linux/clk-provider.h
@ -522,9 +522,9 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
 * @clk_gate_flags: gate-specific flags for this clock
 * @lock: shared register lock for this clock
 */
-#define clk_hw_register_gate_parent_hw(dev, name, parent_name, flags, reg,    \
+#define clk_hw_register_gate_parent_hw(dev, name, parent_hw, flags, reg,      \
 				       bit_idx, clk_gate_flags, lock)	      \
-	__clk_hw_register_gate((dev), NULL, (name), (parent_name), NULL,      \
+	__clk_hw_register_gate((dev), NULL, (name), NULL, (parent_hw),        \
 			       NULL, (flags), (reg), (bit_idx),		      \
 			       (clk_gate_flags), (lock))
 /**
@ -539,10 +539,10 @@ struct clk *clk_register_gate(struct device *dev, const char *name,
 * @clk_gate_flags: gate-specific flags for this clock
 * @lock: shared register lock for this clock
 */
-#define clk_hw_register_gate_parent_data(dev, name, parent_name, flags, reg,  \
+#define clk_hw_register_gate_parent_data(dev, name, parent_data, flags, reg,  \
 				       bit_idx, clk_gate_flags, lock)	      \
-	__clk_hw_register_gate((dev), NULL, (name), (parent_name), NULL,      \
-			       NULL, (flags), (reg), (bit_idx),		      \
+	__clk_hw_register_gate((dev), NULL, (name), NULL, NULL, (parent_data), \
+			       (flags), (reg), (bit_idx),		      \
 			       (clk_gate_flags), (lock))
 void clk_unregister_gate(struct clk *clk);
 void clk_hw_unregister_gate(struct clk_hw *hw);
--- a/include/linux/dmar.h
+++ b/include/linux/dmar.h
@ -69,19 +69,23 @@ struct dmar_pci_notify_info {
 extern struct rw_semaphore dmar_global_lock;
 extern struct list_head dmar_drhd_units;

-#define for_each_drhd_unit(drhd) \
-	list_for_each_entry_rcu(drhd, &dmar_drhd_units, list)
+#define for_each_drhd_unit(drhd)					\
+	list_for_each_entry_rcu(drhd, &dmar_drhd_units, list,		\
+				dmar_rcu_check())

 #define for_each_active_drhd_unit(drhd)					\
-	list_for_each_entry_rcu(drhd, &dmar_drhd_units, list)		\
+	list_for_each_entry_rcu(drhd, &dmar_drhd_units, list,		\
+				dmar_rcu_check())			\
 		if (drhd->ignored) {} else

 #define for_each_active_iommu(i, drhd)					\
-	list_for_each_entry_rcu(drhd, &dmar_drhd_units, list)		\
+	list_for_each_entry_rcu(drhd, &dmar_drhd_units, list,		\
+				dmar_rcu_check())			\
 		if (i=drhd->iommu, drhd->ignored) {} else

 #define for_each_iommu(i, drhd)						\
-	list_for_each_entry_rcu(drhd, &dmar_drhd_units, list)		\
+	list_for_each_entry_rcu(drhd, &dmar_drhd_units, list,		\
+				dmar_rcu_check())			\
 		if (i=drhd->iommu, 0) {} else 

 static inline bool dmar_rcu_check(void)
--- a/include/linux/dsa/8021q.h
+++ b/include/linux/dsa/8021q.h
@ -28,8 +28,6 @@ int dsa_8021q_rx_switch_id(u16 vid);

 int dsa_8021q_rx_source_port(u16 vid);

-struct sk_buff *dsa_8021q_remove_header(struct sk_buff *skb);
-
 #else

 int dsa_port_setup_8021q_tagging(struct dsa_switch *ds, int index,
@ -64,11 +62,6 @@ int dsa_8021q_rx_source_port(u16 vid)
 	return 0;
 }

-struct sk_buff *dsa_8021q_remove_header(struct sk_buff *skb)
-{
-	return NULL;
-}
-
 #endif /* IS_ENABLED(CONFIG_NET_DSA_TAG_8021Q) */

 #endif /* _NET_DSA_8021Q_H */
--- a/include/linux/file.h
+++ b/include/linux/file.h
@ -85,6 +85,7 @@ extern int f_dupfd(unsigned int from, struct file *file, unsigned flags);
 extern int replace_fd(unsigned fd, struct file *file, unsigned flags);
 extern void set_close_on_exec(unsigned int fd, int flag);
 extern bool get_close_on_exec(unsigned int fd);
+extern int __get_unused_fd_flags(unsigned flags, unsigned long nofile);
 extern int get_unused_fd_flags(unsigned flags);
 extern void put_unused_fd(unsigned int fd);

--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@ -698,6 +698,7 @@ struct inode {
 		struct rcu_head		i_rcu;
 	};
 	atomic64_t		i_version;
+	atomic64_t		i_sequence; /* see futex */
 	atomic_t		i_count;
 	atomic_t		i_dio_count;
 	atomic_t		i_writecount;
--- a/include/linux/futex.h
+++ b/include/linux/futex.h
@ -31,23 +31,26 @@ struct task_struct;

 union futex_key {
 	struct {
+		u64 i_seq;
 		unsigned long pgoff;
-		struct inode *inode;
-		int offset;
+		unsigned int offset;
 	} shared;
 	struct {
+		union {
+			struct mm_struct *mm;
+			u64 __tmp;
+		};
 		unsigned long address;
-		struct mm_struct *mm;
-		int offset;
+		unsigned int offset;
 	} private;
 	struct {
+		u64 ptr;
 		unsigned long word;
-		void *ptr;
-		int offset;
+		unsigned int offset;
 	} both;
 };

-#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = NULL } }
+#define FUTEX_KEY_INIT (union futex_key) { .both = { .ptr = 0ULL } }

 #ifdef CONFIG_FUTEX
 enum {
--- a/include/linux/genhd.h
+++ b/include/linux/genhd.h
@ -245,18 +245,6 @@ static inline bool disk_part_scan_enabled(struct gendisk *disk)
 		!(disk->flags & GENHD_FL_NO_PART_SCAN);
 }

-static inline bool disk_has_partitions(struct gendisk *disk)
-{
-	bool ret = false;
-
-	rcu_read_lock();
-	if (rcu_dereference(disk->part_tbl)->len > 1)
-		ret = true;
-	rcu_read_unlock();
-
-	return ret;
-}
-
 static inline dev_t disk_devt(struct gendisk *disk)
 {
 	return MKDEV(disk->major, disk->first_minor);
@ -298,6 +286,7 @@ extern void disk_part_iter_exit(struct disk_part_iter *piter);

 extern struct hd_struct *disk_map_sector_rcu(struct gendisk *disk,
 					     sector_t sector);
+bool disk_has_partitions(struct gendisk *disk);

 /*
 * Macros to operate on percpu disk statistics:
--- a/include/linux/i2c.h
+++ b/include/linux/i2c.h
@ -506,7 +506,7 @@ i2c_register_board_info(int busnum, struct i2c_board_info const *info,
 * @smbus_xfer_atomic: same as @smbus_xfer. Yet, only using atomic context
 *   so e.g. PMICs can be accessed very late before shutdown. Optional.
 * @functionality: Return the flags that this algorithm/adapter pair supports
- *   from the I2C_FUNC_* flags.
+ *   from the ``I2C_FUNC_*`` flags.
 * @reg_slave: Register given client to I2C slave mode of this adapter
 * @unreg_slave: Unregister given client from I2C slave mode of this adapter
 *
@ -515,7 +515,7 @@ i2c_register_board_info(int busnum, struct i2c_board_info const *info,
 * be addressed using the same bus algorithms - i.e. bit-banging or the PCF8584
 * to name two of the most common.
 *
- * The return codes from the @master_xfer{_atomic} fields should indicate the
+ * The return codes from the ``master_xfer{_atomic}`` fields should indicate the
 * type of error code that occurred during the transfer, as documented in the
 * Kernel Documentation file Documentation/i2c/fault-codes.rst.
 */
--- a/include/linux/ieee80211.h
+++ b/include/linux/ieee80211.h
@ -2102,14 +2102,14 @@ ieee80211_he_spr_size(const u8 *he_spr_ie)
 {
 	struct ieee80211_he_spr *he_spr = (void *)he_spr_ie;
 	u8 spr_len = sizeof(struct ieee80211_he_spr);
-	u32 he_spr_params;
+	u8 he_spr_params;

 	/* Make sure the input is not NULL */
 	if (!he_spr_ie)
 		return 0;

 	/* Calc required length */
-	he_spr_params = le32_to_cpu(he_spr->he_sr_control);
+	he_spr_params = he_spr->he_sr_control;
 	if (he_spr_params & IEEE80211_HE_SPR_NON_SRG_OFFSET_PRESENT)
 		spr_len++;
 	if (he_spr_params & IEEE80211_HE_SPR_SRG_INFORMATION_PRESENT)
--- a/include/linux/inet_diag.h
+++ b/include/linux/inet_diag.h
@ -2,15 +2,10 @@
 #ifndef _INET_DIAG_H_
 #define _INET_DIAG_H_ 1

+#include <net/netlink.h>
 #include <uapi/linux/inet_diag.h>

-struct net;
-struct sock;
 struct inet_hashinfo;
-struct nlattr;
-struct nlmsghdr;
-struct sk_buff;
-struct netlink_callback;

 struct inet_diag_handler {
 	void		(*dump)(struct sk_buff *skb,
@ -62,6 +57,17 @@ int inet_diag_bc_sk(const struct nlattr *_bc, struct sock *sk);

 void inet_diag_msg_common_fill(struct inet_diag_msg *r, struct sock *sk);

+static inline size_t inet_diag_msg_attrs_size(void)
+{
+	return	  nla_total_size(1)  /* INET_DIAG_SHUTDOWN */
+		+ nla_total_size(1)  /* INET_DIAG_TOS */
+#if IS_ENABLED(CONFIG_IPV6)
+		+ nla_total_size(1)  /* INET_DIAG_TCLASS */
+		+ nla_total_size(1)  /* INET_DIAG_SKV6ONLY */
+#endif
+		+ nla_total_size(4)  /* INET_DIAG_MARK */
+		+ nla_total_size(4); /* INET_DIAG_CLASS_ID */
+}
 int inet_diag_msg_attrs_fill(struct sock *sk, struct sk_buff *skb,
 			     struct inet_diag_msg *r, int ext,
 			     struct user_namespace *user_ns, bool net_admin);
--- a/include/linux/intel-iommu.h
+++ b/include/linux/intel-iommu.h
@ -123,6 +123,8 @@

 #define dmar_readq(a) readq(a)
 #define dmar_writeq(a,v) writeq(v,a)
+#define dmar_readl(a) readl(a)
+#define dmar_writel(a, v) writel(v, a)

 #define DMAR_VER_MAJOR(v)		(((v) & 0xf0) >> 4)
 #define DMAR_VER_MINOR(v)		((v) & 0x0f)
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@ -695,6 +695,7 @@ static inline unsigned long lruvec_page_state_local(struct lruvec *lruvec,
 void __mod_lruvec_state(struct lruvec *lruvec, enum node_stat_item idx,
 			int val);
 void __mod_lruvec_slab_state(void *p, enum node_stat_item idx, int val);
+void mod_memcg_obj_state(void *p, int idx, int val);

 static inline void mod_lruvec_state(struct lruvec *lruvec,
 				    enum node_stat_item idx, int val)
@ -1123,6 +1124,10 @@ static inline void __mod_lruvec_slab_state(void *p, enum node_stat_item idx,
 	__mod_node_page_state(page_pgdat(page), idx, val);
 }

+static inline void mod_memcg_obj_state(void *p, int idx, int val)
+{
+}
+
 static inline
 unsigned long mem_cgroup_soft_limit_reclaim(pg_data_t *pgdat, int order,
 					    gfp_t gfp_mask,
@ -1427,6 +1432,8 @@ static inline int memcg_cache_id(struct mem_cgroup *memcg)
 	return memcg ? memcg->kmemcg_id : -1;
 }

+struct mem_cgroup *mem_cgroup_from_obj(void *p);
+
 #else

 static inline int memcg_kmem_charge(struct page *page, gfp_t gfp, int order)
@ -1468,6 +1475,11 @@ static inline void memcg_put_cache_ids(void)
 {
 }

+static inline struct mem_cgroup *mem_cgroup_from_obj(void *p)
+{
+       return NULL;
+}
+
 #endif /* CONFIG_MEMCG_KMEM */

 #endif /* _LINUX_MEMCONTROL_H */
--- a/include/linux/mmc/host.h
+++ b/include/linux/mmc/host.h
@ -333,6 +333,7 @@ struct mmc_host {
 				 MMC_CAP_UHS_SDR50 | MMC_CAP_UHS_SDR104 | \
 				 MMC_CAP_UHS_DDR50)
 #define MMC_CAP_SYNC_RUNTIME_PM	(1 << 21)	/* Synced runtime PM suspends. */
+#define MMC_CAP_NEED_RSP_BUSY	(1 << 22)	/* Commands with R1B can't use R1. */
 #define MMC_CAP_DRIVER_TYPE_A	(1 << 23)	/* Host supports Driver Type A */
 #define MMC_CAP_DRIVER_TYPE_C	(1 << 24)	/* Host supports Driver Type C */
 #define MMC_CAP_DRIVER_TYPE_D	(1 << 25)	/* Host supports Driver Type D */
--- a/include/linux/netlink.h
+++ b/include/linux/netlink.h
@ -115,6 +115,19 @@ static inline void nl_set_extack_cookie_u64(struct netlink_ext_ack *extack,
 {
 	u64 __cookie = cookie;

+	if (!extack)
+		return;
+	memcpy(extack->cookie, &__cookie, sizeof(__cookie));
+	extack->cookie_len = sizeof(__cookie);
+}
+
+static inline void nl_set_extack_cookie_u32(struct netlink_ext_ack *extack,
+					    u32 cookie)
+{
+	u32 __cookie = cookie;
+
+	if (!extack)
+		return;
 	memcpy(extack->cookie, &__cookie, sizeof(__cookie));
 	extack->cookie_len = sizeof(__cookie);
 }
--- a/include/linux/of_clk.h
+++ b/include/linux/of_clk.h
@ -11,17 +11,17 @@ struct of_device_id;

 #if defined(CONFIG_COMMON_CLK) && defined(CONFIG_OF)

-unsigned int of_clk_get_parent_count(struct device_node *np);
-const char *of_clk_get_parent_name(struct device_node *np, int index);
+unsigned int of_clk_get_parent_count(const struct device_node *np);
+const char *of_clk_get_parent_name(const struct device_node *np, int index);
 void of_clk_init(const struct of_device_id *matches);

 #else /* !CONFIG_COMMON_CLK || !CONFIG_OF */

-static inline unsigned int of_clk_get_parent_count(struct device_node *np)
+static inline unsigned int of_clk_get_parent_count(const struct device_node *np)
 {
 	return 0;
 }
-static inline const char *of_clk_get_parent_name(struct device_node *np,
+static inline const char *of_clk_get_parent_name(const struct device_node *np,
 						 int index)
 {
 	return NULL;
--- a/include/linux/page-flags.h
+++ b/include/linux/page-flags.h
@ -311,7 +311,7 @@ static inline int TestClearPage##uname(struct page *page) { return 0; }

 __PAGEFLAG(Locked, locked, PF_NO_TAIL)
 PAGEFLAG(Waiters, waiters, PF_ONLY_HEAD) __CLEARPAGEFLAG(Waiters, waiters, PF_ONLY_HEAD)
-PAGEFLAG(Error, error, PF_NO_COMPOUND) TESTCLEARFLAG(Error, error, PF_NO_COMPOUND)
+PAGEFLAG(Error, error, PF_NO_TAIL) TESTCLEARFLAG(Error, error, PF_NO_TAIL)
 PAGEFLAG(Referenced, referenced, PF_HEAD)
 	TESTCLEARFLAG(Referenced, referenced, PF_HEAD)
 	__SETPAGEFLAG(Referenced, referenced, PF_HEAD)
--- a/include/linux/phy.h
+++ b/include/linux/phy.h
@ -357,6 +357,7 @@ struct macsec_ops;
 * is_gigabit_capable: Set to true if PHY supports 1000Mbps
 * has_fixups: Set to true if this phy has fixups/quirks.
 * suspended: Set to true if this phy has been suspended successfully.
+ * suspended_by_mdio_bus: Set to true if this phy was suspended by MDIO bus.
 * sysfs_links: Internal boolean tracking sysfs symbolic links setup/removal.
 * loopback_enabled: Set true if this phy has been loopbacked successfully.
 * state: state of the PHY for management purposes
@ -396,6 +397,7 @@ struct phy_device {
 	unsigned is_gigabit_capable:1;
 	unsigned has_fixups:1;
 	unsigned suspended:1;
+	unsigned suspended_by_mdio_bus:1;
 	unsigned sysfs_links:1;
 	unsigned loopback_enabled:1;

@ -557,6 +559,7 @@ struct phy_driver {
 	/*
 	 * Checks if the PHY generated an interrupt.
 	 * For multi-PHY devices with shared PHY interrupt pin
+	 * Set interrupt bits have to be cleared.
 	 */
 	int (*did_interrupt)(struct phy_device *phydev);

--- a/include/linux/platform_device.h
+++ b/include/linux/platform_device.h
@ -24,7 +24,7 @@ struct platform_device {
 	int		id;
 	bool		id_auto;
 	struct device	dev;
-	u64		dma_mask;
+	u64		platform_dma_mask;
 	u32		num_resources;
 	struct resource	*resource;

--- a/include/linux/rhashtable.h
+++ b/include/linux/rhashtable.h
@ -972,9 +972,9 @@ static inline int rhashtable_lookup_insert_key(
 /**
 * rhashtable_lookup_get_insert_key - lookup and insert object into hash table
 * @ht:		hash table
+ * @key:	key
 * @obj:	pointer to hash head inside object
 * @params:	hash table parameters
- * @data:	pointer to element data already in hashes
 *
 * Just like rhashtable_lookup_insert_key(), but this function returns the
 * object if it exists, NULL if it does not and the insertion was successful,
--- a/include/linux/skbuff.h
+++ b/include/linux/skbuff.h
@ -645,8 +645,8 @@ typedef unsigned char *sk_buff_data_t;
 *	@offload_l3_fwd_mark: Packet was L3-forwarded in hardware
 *	@tc_skip_classify: do not classify packet. set by IFB device
 *	@tc_at_ingress: used within tc_classify to distinguish in/egress
- *	@tc_redirected: packet was redirected by a tc action
- *	@tc_from_ingress: if tc_redirected, tc_at_ingress at time of redirect
+ *	@redirected: packet was redirected by packet classifier
+ *	@from_ingress: packet was redirected from the ingress path
 *	@peeked: this packet has been seen already, so stats have been
 *		done for it, don't do them again
 *	@nf_trace: netfilter packet trace flag
@ -848,8 +848,10 @@ struct sk_buff {
 #ifdef CONFIG_NET_CLS_ACT
 	__u8			tc_skip_classify:1;
 	__u8			tc_at_ingress:1;
-	__u8			tc_redirected:1;
-	__u8			tc_from_ingress:1;
+#endif
+#ifdef CONFIG_NET_REDIRECT
+	__u8			redirected:1;
+	__u8			from_ingress:1;
 #endif
 #ifdef CONFIG_TLS_DEVICE
 	__u8			decrypted:1;
@ -4579,5 +4581,31 @@ static inline __wsum lco_csum(struct sk_buff *skb)
 	return csum_partial(l4_hdr, csum_start - l4_hdr, partial);
 }

+static inline bool skb_is_redirected(const struct sk_buff *skb)
+{
+#ifdef CONFIG_NET_REDIRECT
+	return skb->redirected;
+#else
+	return false;
+#endif
+}
+
+static inline void skb_set_redirected(struct sk_buff *skb, bool from_ingress)
+{
+#ifdef CONFIG_NET_REDIRECT
+	skb->redirected = 1;
+	skb->from_ingress = from_ingress;
+	if (skb->from_ingress)
+		skb->tstamp = 0;
+#endif
+}
+
+static inline void skb_reset_redirect(struct sk_buff *skb)
+{
+#ifdef CONFIG_NET_REDIRECT
+	skb->redirected = 0;
+#endif
+}
+
 #endif	/* __KERNEL__ */
 #endif	/* _LINUX_SKBUFF_H */
--- a/include/linux/socket.h
+++ b/include/linux/socket.h
@ -401,7 +401,8 @@ extern int __sys_sendto(int fd, void __user *buff, size_t len,
 			int addr_len);
 extern int __sys_accept4_file(struct file *file, unsigned file_flags,
 			struct sockaddr __user *upeer_sockaddr,
-			 int __user *upeer_addrlen, int flags);
+			 int __user *upeer_addrlen, int flags,
+			 unsigned long nofile);
 extern int __sys_accept4(int fd, struct sockaddr __user *upeer_sockaddr,
 			 int __user *upeer_addrlen, int flags);
 extern int __sys_socket(int family, int type, int protocol);
--- a/include/linux/vmalloc.h
+++ b/include/linux/vmalloc.h
@ -141,8 +141,9 @@ extern int remap_vmalloc_range_partial(struct vm_area_struct *vma,

 extern int remap_vmalloc_range(struct vm_area_struct *vma, void *addr,
 							unsigned long pgoff);
-void vmalloc_sync_all(void);
- 
+void vmalloc_sync_mappings(void);
+void vmalloc_sync_unmappings(void);
+
 /*
 *	Lowlevel-APIs (not for driver use!)
 */
--- a/include/linux/workqueue.h
+++ b/include/linux/workqueue.h
@ -487,6 +487,19 @@ extern void wq_worker_comm(char *buf, size_t size, struct task_struct *task);
 *
 * We queue the work to the CPU on which it was submitted, but if the CPU dies
 * it can be processed by another CPU.
+ *
+ * Memory-ordering properties:  If it returns %true, guarantees that all stores
+ * preceding the call to queue_work() in the program order will be visible from
+ * the CPU which will execute @work by the time such work executes, e.g.,
+ *
+ * { x is initially 0 }
+ *
+ *   CPU0				CPU1
+ *
+ *   WRITE_ONCE(x, 1);			[ @work is being executed ]
+ *   r0 = queue_work(wq, work);		  r1 = READ_ONCE(x);
+ *
+ * Forbids: r0 == true && r1 == 0
 */
 static inline bool queue_work(struct workqueue_struct *wq,
 			      struct work_struct *work)
@ -546,6 +559,9 @@ static inline bool schedule_work_on(int cpu, struct work_struct *work)
 * This puts a job in the kernel-global workqueue if it was not already
 * queued and leaves it in the same position on the kernel-global
 * workqueue otherwise.
+ *
+ * Shares the same memory-ordering properties of queue_work(), cf. the
+ * DocBook header of queue_work().
 */
 static inline bool schedule_work(struct work_struct *work)
 {