24 files changed, 139 insertions, 205 deletions

diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 054833939995..1991aea2ec4c 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -870,8 +870,8 @@ static inline int acpi_dev_get_property(struct acpi_device *adev,
 }
 
 static inline int acpi_node_get_property_reference(struct fwnode_handle *fwnode,
-                                const char *name, const char *cells_name,
-                                size_t index, struct acpi_reference_args *args)
+                                const char *name, size_t index,
+                                struct acpi_reference_args *args)
 {
         return -ENXIO;
 }
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 3fe27f8d91f0..0169ba2e2e64 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -254,6 +254,7 @@ struct queue_limits {
         unsigned long           virt_boundary_mask;
 
         unsigned int            max_hw_sectors;
+        unsigned int            max_dev_sectors;
         unsigned int            chunk_sectors;
         unsigned int            max_sectors;
         unsigned int            max_segment_size;
@@ -773,7 +774,6 @@ extern void blk_rq_set_block_pc(struct request *);
 extern void blk_requeue_request(struct request_queue *, struct request *);
 extern void blk_add_request_payload(struct request *rq, struct page *page,
                 unsigned int len);
-extern int blk_rq_check_limits(struct request_queue *q, struct request *rq);
 extern int blk_lld_busy(struct request_queue *q);
 extern int blk_rq_prep_clone(struct request *rq, struct request *rq_src,
                              struct bio_set *bs, gfp_t gfp_mask,
@@ -794,6 +794,8 @@ extern int scsi_cmd_ioctl(struct request_queue *, struct gendisk *, fmode_t,
 extern int sg_scsi_ioctl(struct request_queue *, struct gendisk *, fmode_t,
                          struct scsi_ioctl_command __user *);
 
+extern int blk_queue_enter(struct request_queue *q, gfp_t gfp);
+extern void blk_queue_exit(struct request_queue *q);
 extern void blk_start_queue(struct request_queue *q);
 extern void blk_stop_queue(struct request_queue *q);
 extern void blk_sync_queue(struct request_queue *q);
@@ -958,7 +960,6 @@ extern struct request_queue *blk_init_allocated_queue(struct request_queue *,
 extern void blk_cleanup_queue(struct request_queue *);
 extern void blk_queue_make_request(struct request_queue *, make_request_fn *);
 extern void blk_queue_bounce_limit(struct request_queue *, u64);
-extern void blk_limits_max_hw_sectors(struct queue_limits *, unsigned int);
 extern void blk_queue_max_hw_sectors(struct request_queue *, unsigned int);
 extern void blk_queue_chunk_sectors(struct request_queue *, unsigned int);
 extern void blk_queue_max_segments(struct request_queue *, unsigned short);
diff --git a/include/linux/bpf.h b/include/linux/bpf.h
index de464e6683b6..83d1926c61e4 100644
--- a/include/linux/bpf.h
+++ b/include/linux/bpf.h
@@ -40,6 +40,7 @@ struct bpf_map {
         struct user_struct *user;
         const struct bpf_map_ops *ops;
         struct work_struct work;
+        atomic_t usercnt;
 };
 
 struct bpf_map_type_list {
@@ -167,8 +168,10 @@ struct bpf_prog *bpf_prog_get(u32 ufd);
 void bpf_prog_put(struct bpf_prog *prog);
 void bpf_prog_put_rcu(struct bpf_prog *prog);
 
-struct bpf_map *bpf_map_get(u32 ufd);
+struct bpf_map *bpf_map_get_with_uref(u32 ufd);
 struct bpf_map *__bpf_map_get(struct fd f);
+void bpf_map_inc(struct bpf_map *map, bool uref);
+void bpf_map_put_with_uref(struct bpf_map *map);
 void bpf_map_put(struct bpf_map *map);
 
 extern int sysctl_unprivileged_bpf_disabled;
diff --git a/include/linux/configfs.h b/include/linux/configfs.h
index a8a335b7fce0..758a029011b1 100644
--- a/include/linux/configfs.h
+++ b/include/linux/configfs.h
@@ -197,6 +197,16 @@ static inline struct configfs_subsystem *to_configfs_subsystem(struct config_gro
 int configfs_register_subsystem(struct configfs_subsystem *subsys);
 void configfs_unregister_subsystem(struct configfs_subsystem *subsys);
 
+int configfs_register_group(struct config_group *parent_group,
+                            struct config_group *group);
+void configfs_unregister_group(struct config_group *group);
+
+struct config_group *
+configfs_register_default_group(struct config_group *parent_group,
+                                const char *name,
+                                struct config_item_type *item_type);
+void configfs_unregister_default_group(struct config_group *group);
+
 /* These functions can sleep and can alloc with GFP_KERNEL */
 /* WARNING: These cannot be called underneath configfs callbacks!! */
 int configfs_depend_item(struct configfs_subsystem *subsys, struct config_item *target);
diff --git a/include/linux/cpufreq.h b/include/linux/cpufreq.h
index ef4c5b1a860f..177c7680c1a8 100644
--- a/include/linux/cpufreq.h
+++ b/include/linux/cpufreq.h
@@ -77,6 +77,7 @@ struct cpufreq_policy {
         unsigned int            suspend_freq; /* freq to set during suspend */
 
         unsigned int            policy; /* see above */
+        unsigned int            last_policy; /* policy before unplug */
         struct cpufreq_governor *governor; /* see below */
         void                    *governor_data;
         bool                    governor_enabled; /* governor start/stop flag */
diff --git a/include/linux/dns_resolver.h b/include/linux/dns_resolver.h
index cc92268af89a..6ac3cad9aef1 100644
--- a/include/linux/dns_resolver.h
+++ b/include/linux/dns_resolver.h
@@ -27,7 +27,7 @@
 #ifdef __KERNEL__
 
 extern int dns_query(const char *type, const char *name, size_t namelen,
-                     const char *options, char **_result, time_t *_expiry);
+                     const char *options, char **_result, time64_t *_expiry);
 
 #endif /* KERNEL */
 
diff --git a/include/linux/enclosure.h b/include/linux/enclosure.h
index 7be22da321f3..a4cf57cd0f75 100644
--- a/include/linux/enclosure.h
+++ b/include/linux/enclosure.h
@@ -29,7 +29,11 @@
 /* A few generic types ... taken from ses-2 */
 enum enclosure_component_type {
         ENCLOSURE_COMPONENT_DEVICE = 0x01,
+        ENCLOSURE_COMPONENT_CONTROLLER_ELECTRONICS = 0x07,
+        ENCLOSURE_COMPONENT_SCSI_TARGET_PORT = 0x14,
+        ENCLOSURE_COMPONENT_SCSI_INITIATOR_PORT = 0x15,
         ENCLOSURE_COMPONENT_ARRAY_DEVICE = 0x17,
+        ENCLOSURE_COMPONENT_SAS_EXPANDER = 0x18,
 };
 
 /* ses-2 common element status */
diff --git a/include/linux/gfp.h b/include/linux/gfp.h
index 6523109e136d..8942af0813e3 100644
--- a/include/linux/gfp.h
+++ b/include/linux/gfp.h
@@ -271,7 +271,7 @@ static inline int gfpflags_to_migratetype(const gfp_t gfp_flags)
 
 static inline bool gfpflags_allow_blocking(const gfp_t gfp_flags)
 {
-        return gfp_flags & __GFP_DIRECT_RECLAIM;
+        return (bool __force)(gfp_flags & __GFP_DIRECT_RECLAIM);
 }
 
 #ifdef CONFIG_HIGHMEM
diff --git a/include/linux/ipv6.h b/include/linux/ipv6.h
index 0ef2a97ccdb5..402753bccafa 100644
--- a/include/linux/ipv6.h
+++ b/include/linux/ipv6.h
@@ -227,7 +227,7 @@ struct ipv6_pinfo {
         struct ipv6_ac_socklist *ipv6_ac_list;
         struct ipv6_fl_socklist __rcu *ipv6_fl_list;
 
-        struct ipv6_txoptions   *opt;
+        struct ipv6_txoptions __rcu     *opt;
         struct sk_buff          *pktoptions;
         struct sk_buff          *rxpmtu;
         struct inet6_cork       cork;
diff --git a/include/linux/kref.h b/include/linux/kref.h
index 484604d184be..e15828fd71f1 100644
--- a/include/linux/kref.h
+++ b/include/linux/kref.h
@@ -19,7 +19,6 @@
 #include <linux/atomic.h>
 #include <linux/kernel.h>
 #include <linux/mutex.h>
-#include <linux/spinlock.h>
 
 struct kref {
         atomic_t refcount;
@@ -99,38 +98,6 @@ static inline int kref_put(struct kref *kref, void (*release)(struct kref *kref)
         return kref_sub(kref, 1, release);
 }
 
-/**
- * kref_put_spinlock_irqsave - decrement refcount for object.
- * @kref: object.
- * @release: pointer to the function that will clean up the object when the
- *           last reference to the object is released.
- *           This pointer is required, and it is not acceptable to pass kfree
- *           in as this function.
- * @lock: lock to take in release case
- *
- * Behaves identical to kref_put with one exception.  If the reference count
- * drops to zero, the lock will be taken atomically wrt dropping the reference
- * count.  The release function has to call spin_unlock() without _irqrestore.
- */
-static inline int kref_put_spinlock_irqsave(struct kref *kref,
-                void (*release)(struct kref *kref),
-                spinlock_t *lock)
-{
-        unsigned long flags;
-
-        WARN_ON(release == NULL);
-        if (atomic_add_unless(&kref->refcount, -1, 1))
-                return 0;
-        spin_lock_irqsave(lock, flags);
-        if (atomic_dec_and_test(&kref->refcount)) {
-                release(kref);
-                local_irq_restore(flags);
-                return 1;
-        }
-        spin_unlock_irqrestore(lock, flags);
-        return 0;
-}
-
 static inline int kref_put_mutex(struct kref *kref,
                                  void (*release)(struct kref *kref),
                                  struct mutex *lock)
diff --git a/include/linux/kvm_host.h b/include/linux/kvm_host.h
index 5706a2108f0a..c923350ca20a 100644
--- a/include/linux/kvm_host.h
+++ b/include/linux/kvm_host.h
@@ -460,6 +460,17 @@ static inline struct kvm_vcpu *kvm_get_vcpu(struct kvm *kvm, int i)
              (vcpup = kvm_get_vcpu(kvm, idx)) != NULL; \
              idx++)
 
+static inline struct kvm_vcpu *kvm_get_vcpu_by_id(struct kvm *kvm, int id)
+{
+        struct kvm_vcpu *vcpu;
+        int i;
+
+        kvm_for_each_vcpu(i, vcpu, kvm)
+                if (vcpu->vcpu_id == id)
+                        return vcpu;
+        return NULL;
+}
+
 #define kvm_for_each_memslot(memslot, slots)    \
         for (memslot = &slots->memslots[0];     \
               memslot < slots->memslots + KVM_MEM_SLOTS_NUM && memslot->npages;\
diff --git a/include/linux/lightnvm.h b/include/linux/lightnvm.h
index 69c9057e1ab8..c6916aec43b6 100644
--- a/include/linux/lightnvm.h
+++ b/include/linux/lightnvm.h
@@ -58,7 +58,6 @@ enum {
 struct nvm_id_group {
         u8      mtype;
         u8      fmtype;
-        u16     res16;
         u8      num_ch;
         u8      num_lun;
         u8      num_pln;
@@ -74,9 +73,9 @@ struct nvm_id_group {
         u32     tbet;
         u32     tbem;
         u32     mpos;
+        u32     mccap;
         u16     cpar;
-        u8      res[913];
-} __packed;
+};
 
 struct nvm_addr_format {
         u8      ch_offset;
@@ -91,19 +90,15 @@ struct nvm_addr_format {
         u8      pg_len;
         u8      sect_offset;
         u8      sect_len;
-        u8      res[4];
 };
 
 struct nvm_id {
         u8      ver_id;
         u8      vmnt;
         u8      cgrps;
-        u8      res[5];
         u32     cap;
         u32     dom;
         struct nvm_addr_format ppaf;
-        u8      ppat;
-        u8      resv[224];
         struct nvm_id_group groups[4];
 } __packed;
 
@@ -123,39 +118,28 @@ struct nvm_tgt_instance {
 #define NVM_VERSION_MINOR 0
 #define NVM_VERSION_PATCH 0
 
-#define NVM_SEC_BITS (8)
-#define NVM_PL_BITS  (6)
-#define NVM_PG_BITS  (16)
 #define NVM_BLK_BITS (16)
-#define NVM_LUN_BITS (10)
+#define NVM_PG_BITS  (16)
+#define NVM_SEC_BITS (8)
+#define NVM_PL_BITS  (8)
+#define NVM_LUN_BITS (8)
 #define NVM_CH_BITS  (8)
 
 struct ppa_addr {
+        /* Generic structure for all addresses */
         union {
-                /* Channel-based PPA format in nand 4x2x2x2x8x10 */
-                struct {
-                        u64 ch          : 4;
-                        u64 sec         : 2; /* 4 sectors per page */
-                        u64 pl          : 2; /* 4 planes per LUN */
-                        u64 lun         : 2; /* 4 LUNs per channel */
-                        u64 pg          : 8; /* 256 pages per block */
-                        u64 blk         : 10;/* 1024 blocks per plane */
-                        u64 resved              : 36;
-                } chnl;
-
-                /* Generic structure for all addresses */
                 struct {
+                        u64 blk         : NVM_BLK_BITS;
+                        u64 pg          : NVM_PG_BITS;
                         u64 sec         : NVM_SEC_BITS;
                         u64 pl          : NVM_PL_BITS;
-                        u64 pg          : NVM_PG_BITS;
-                        u64 blk         : NVM_BLK_BITS;
                         u64 lun         : NVM_LUN_BITS;
                         u64 ch          : NVM_CH_BITS;
                 } g;
 
                 u64 ppa;
         };
-} __packed;
+};
 
 struct nvm_rq {
         struct nvm_tgt_instance *ins;
@@ -191,11 +175,11 @@ static inline void *nvm_rq_to_pdu(struct nvm_rq *rqdata)
 struct nvm_block;
 
 typedef int (nvm_l2p_update_fn)(u64, u32, __le64 *, void *);
-typedef int (nvm_bb_update_fn)(u32, void *, unsigned int, void *);
+typedef int (nvm_bb_update_fn)(struct ppa_addr, int, u8 *, void *);
 typedef int (nvm_id_fn)(struct request_queue *, struct nvm_id *);
 typedef int (nvm_get_l2p_tbl_fn)(struct request_queue *, u64, u32,
                                 nvm_l2p_update_fn *, void *);
-typedef int (nvm_op_bb_tbl_fn)(struct request_queue *, int, unsigned int,
+typedef int (nvm_op_bb_tbl_fn)(struct nvm_dev *, struct ppa_addr, int,
                                 nvm_bb_update_fn *, void *);
 typedef int (nvm_op_set_bb_fn)(struct request_queue *, struct nvm_rq *, int);
 typedef int (nvm_submit_io_fn)(struct request_queue *, struct nvm_rq *);
@@ -210,7 +194,7 @@ struct nvm_dev_ops {
         nvm_id_fn               *identity;
         nvm_get_l2p_tbl_fn      *get_l2p_tbl;
         nvm_op_bb_tbl_fn        *get_bb_tbl;
-        nvm_op_set_bb_fn        *set_bb;
+        nvm_op_set_bb_fn        *set_bb_tbl;
 
         nvm_submit_io_fn        *submit_io;
         nvm_erase_blk_fn        *erase_block;
@@ -220,7 +204,7 @@ struct nvm_dev_ops {
         nvm_dev_dma_alloc_fn    *dev_dma_alloc;
         nvm_dev_dma_free_fn     *dev_dma_free;
 
-        uint8_t                 max_phys_sect;
+        unsigned int            max_phys_sect;
 };
 
 struct nvm_lun {
@@ -229,7 +213,9 @@ struct nvm_lun {
         int lun_id;
         int chnl_id;
 
+        unsigned int nr_inuse_blocks;   /* Number of used blocks */
         unsigned int nr_free_blocks;    /* Number of unused blocks */
+        unsigned int nr_bad_blocks;     /* Number of bad blocks */
         struct nvm_block *blocks;
 
         spinlock_t lock;
@@ -263,8 +249,7 @@ struct nvm_dev {
         int blks_per_lun;
         int sec_size;
         int oob_size;
-        int addr_mode;
-        struct nvm_addr_format addr_format;
+        struct nvm_addr_format ppaf;
 
         /* Calculated/Cached values. These do not reflect the actual usable
          * blocks at run-time.
@@ -290,118 +275,45 @@ struct nvm_dev {
         char name[DISK_NAME_LEN];
 };
 
-/* fallback conversion */
-static struct ppa_addr __generic_to_linear_addr(struct nvm_dev *dev,
-                                                        struct ppa_addr r)
-{
-        struct ppa_addr l;
-
-        l.ppa = r.g.sec +
-                r.g.pg  * dev->sec_per_pg +
-                r.g.blk * (dev->pgs_per_blk *
-                                dev->sec_per_pg) +
-                r.g.lun * (dev->blks_per_lun *
-                                dev->pgs_per_blk *
-                                dev->sec_per_pg) +
-                r.g.ch * (dev->blks_per_lun *
-                                dev->pgs_per_blk *
-                                dev->luns_per_chnl *
-                                dev->sec_per_pg);
-
-        return l;
-}
-
-/* fallback conversion */
-static struct ppa_addr __linear_to_generic_addr(struct nvm_dev *dev,
-                                                        struct ppa_addr r)
+static inline struct ppa_addr generic_to_dev_addr(struct nvm_dev *dev,
+                                                struct ppa_addr r)
 {
         struct ppa_addr l;
-        int secs, pgs, blks, luns;
-        sector_t ppa = r.ppa;
 
-        l.ppa = 0;
-
-        div_u64_rem(ppa, dev->sec_per_pg, &secs);
-        l.g.sec = secs;
-
-        sector_div(ppa, dev->sec_per_pg);
-        div_u64_rem(ppa, dev->sec_per_blk, &pgs);
-        l.g.pg = pgs;
-
-        sector_div(ppa, dev->pgs_per_blk);
-        div_u64_rem(ppa, dev->blks_per_lun, &blks);
-        l.g.blk = blks;
-
-        sector_div(ppa, dev->blks_per_lun);
-        div_u64_rem(ppa, dev->luns_per_chnl, &luns);
-        l.g.lun = luns;
-
-        sector_div(ppa, dev->luns_per_chnl);
-        l.g.ch = ppa;
+        l.ppa = ((u64)r.g.blk) << dev->ppaf.blk_offset;
+        l.ppa |= ((u64)r.g.pg) << dev->ppaf.pg_offset;
+        l.ppa |= ((u64)r.g.sec) << dev->ppaf.sect_offset;
+        l.ppa |= ((u64)r.g.pl) << dev->ppaf.pln_offset;
+        l.ppa |= ((u64)r.g.lun) << dev->ppaf.lun_offset;
+        l.ppa |= ((u64)r.g.ch) << dev->ppaf.ch_offset;
 
         return l;
 }
 
-static struct ppa_addr __generic_to_chnl_addr(struct ppa_addr r)
+static inline struct ppa_addr dev_to_generic_addr(struct nvm_dev *dev,
+                                                struct ppa_addr r)
 {
         struct ppa_addr l;
 
-        l.ppa = 0;
-
-        l.chnl.sec = r.g.sec;
-        l.chnl.pl = r.g.pl;
-        l.chnl.pg = r.g.pg;
-        l.chnl.blk = r.g.blk;
-        l.chnl.lun = r.g.lun;
-        l.chnl.ch = r.g.ch;
-
-        return l;
-}
-
-static struct ppa_addr __chnl_to_generic_addr(struct ppa_addr r)
-{
-        struct ppa_addr l;
-
-        l.ppa = 0;
-
-        l.g.sec = r.chnl.sec;
-        l.g.pl = r.chnl.pl;
-        l.g.pg = r.chnl.pg;
-        l.g.blk = r.chnl.blk;
-        l.g.lun = r.chnl.lun;
-        l.g.ch = r.chnl.ch;
+        /*
+         * (r.ppa << X offset) & X len bitmask. X eq. blk, pg, etc.
+         */
+        l.g.blk = (r.ppa >> dev->ppaf.blk_offset) &
+                                        (((1 << dev->ppaf.blk_len) - 1));
+        l.g.pg |= (r.ppa >> dev->ppaf.pg_offset) &
+                                        (((1 << dev->ppaf.pg_len) - 1));
+        l.g.sec |= (r.ppa >> dev->ppaf.sect_offset) &
+                                        (((1 << dev->ppaf.sect_len) - 1));
+        l.g.pl |= (r.ppa >> dev->ppaf.pln_offset) &
+                                        (((1 << dev->ppaf.pln_len) - 1));
+        l.g.lun |= (r.ppa >> dev->ppaf.lun_offset) &
+                                        (((1 << dev->ppaf.lun_len) - 1));
+        l.g.ch |= (r.ppa >> dev->ppaf.ch_offset) &
+                                        (((1 << dev->ppaf.ch_len) - 1));
 
         return l;
 }
 
-static inline struct ppa_addr addr_to_generic_mode(struct nvm_dev *dev,
-                                                struct ppa_addr gppa)
-{
-        switch (dev->addr_mode) {
-        case NVM_ADDRMODE_LINEAR:
-                return __linear_to_generic_addr(dev, gppa);
-        case NVM_ADDRMODE_CHANNEL:
-                return __chnl_to_generic_addr(gppa);
-        default:
-                BUG();
-        }
-        return gppa;
-}
-
-static inline struct ppa_addr generic_to_addr_mode(struct nvm_dev *dev,
-                                                struct ppa_addr gppa)
-{
-        switch (dev->addr_mode) {
-        case NVM_ADDRMODE_LINEAR:
-                return __generic_to_linear_addr(dev, gppa);
-        case NVM_ADDRMODE_CHANNEL:
-                return __generic_to_chnl_addr(gppa);
-        default:
-                BUG();
-        }
-        return gppa;
-}
-
 static inline int ppa_empty(struct ppa_addr ppa_addr)
 {
         return (ppa_addr.ppa == ADDR_EMPTY);
@@ -468,7 +380,7 @@ typedef int (nvmm_end_io_fn)(struct nvm_rq *, int);
 typedef int (nvmm_erase_blk_fn)(struct nvm_dev *, struct nvm_block *,
                                                                 unsigned long);
 typedef struct nvm_lun *(nvmm_get_lun_fn)(struct nvm_dev *, int);
-typedef void (nvmm_free_blocks_print_fn)(struct nvm_dev *);
+typedef void (nvmm_lun_info_print_fn)(struct nvm_dev *);
 
 struct nvmm_type {
         const char *name;
@@ -492,7 +404,7 @@ struct nvmm_type {
         nvmm_get_lun_fn *get_lun;
 
         /* Statistics */
-        nvmm_free_blocks_print_fn *free_blocks_print;
+        nvmm_lun_info_print_fn *lun_info_print;
         struct list_head list;
 };
 
diff --git a/include/linux/net.h b/include/linux/net.h
index 70ac5e28e6b7..0b4ac7da583a 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -34,8 +34,12 @@ struct inode;
 struct file;
 struct net;
 
-#define SOCK_ASYNC_NOSPACE      0
-#define SOCK_ASYNC_WAITDATA     1
+/* Historically, SOCKWQ_ASYNC_NOSPACE & SOCKWQ_ASYNC_WAITDATA were located
+ * in sock->flags, but moved into sk->sk_wq->flags to be RCU protected.
+ * Eventually all flags will be in sk->sk_wq_flags.
+ */
+#define SOCKWQ_ASYNC_NOSPACE    0
+#define SOCKWQ_ASYNC_WAITDATA   1
 #define SOCK_NOSPACE            2
 #define SOCK_PASSCRED           3
 #define SOCK_PASSSEC            4
@@ -89,6 +93,7 @@ struct socket_wq {
         /* Note: wait MUST be first field of socket_wq */
         wait_queue_head_t       wait;
         struct fasync_struct    *fasync_list;
+        unsigned long           flags; /* %SOCKWQ_ASYNC_NOSPACE, etc */
         struct rcu_head         rcu;
 } ____cacheline_aligned_in_smp;
 
@@ -96,7 +101,7 @@ struct socket_wq {
  *  struct socket - general BSD socket
  *  @state: socket state (%SS_CONNECTED, etc)
  *  @type: socket type (%SOCK_STREAM, etc)
- *  @flags: socket flags (%SOCK_ASYNC_NOSPACE, etc)
+ *  @flags: socket flags (%SOCK_NOSPACE, etc)
  *  @ops: protocol specific socket operations
  *  @file: File back pointer for gc
  *  @sk: internal networking protocol agnostic socket representation
@@ -202,7 +207,7 @@ enum {
         SOCK_WAKE_URG,
 };
 
-int sock_wake_async(struct socket *sk, int how, int band);
+int sock_wake_async(struct socket_wq *sk_wq, int how, int band);
 int sock_register(const struct net_proto_family *fam);
 void sock_unregister(int family);
 int __sock_create(struct net *net, int family, int type, int proto,
diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h
index 67bfac1abfc1..3b5d134e945a 100644
--- a/include/linux/netdevice.h
+++ b/include/linux/netdevice.h
@@ -1398,7 +1398,8 @@ enum netdev_priv_flags {
  *      @dma:           DMA channel
  *      @mtu:           Interface MTU value
  *      @type:          Interface hardware type
- *      @hard_header_len: Hardware header length
+ *      @hard_header_len: Hardware header length, which means that this is the
+ *                        minimum size of a packet.
  *
  *      @needed_headroom: Extra headroom the hardware may need, but not in all
  *                        cases can this be guaranteed
diff --git a/include/linux/nfs_xdr.h b/include/linux/nfs_xdr.h
index 570d630f98ae..11bbae44f4cb 100644
--- a/include/linux/nfs_xdr.h
+++ b/include/linux/nfs_xdr.h
@@ -251,6 +251,7 @@ struct nfs4_layoutget {
         struct nfs4_layoutget_res res;
         struct rpc_cred *cred;
         gfp_t gfp_flags;
+        long timeout;
 };
 
 struct nfs4_getdeviceinfo_args {
diff --git a/include/linux/of_dma.h b/include/linux/of_dma.h
index 36112cdd665a..b90d8ec57c1f 100644
--- a/include/linux/of_dma.h
+++ b/include/linux/of_dma.h
@@ -80,7 +80,7 @@ static inline int of_dma_router_register(struct device_node *np,
 static inline struct dma_chan *of_dma_request_slave_channel(struct device_node *np,
                                                      const char *name)
 {
-        return NULL;
+        return ERR_PTR(-ENODEV);
 }
 
 static inline struct dma_chan *of_dma_simple_xlate(struct of_phandle_args *dma_spec,
diff --git a/include/linux/pci.h b/include/linux/pci.h
index e828e7b4afec..6ae25aae88fd 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -412,9 +412,18 @@ struct pci_host_bridge {
         void (*release_fn)(struct pci_host_bridge *);
         void *release_data;
         unsigned int ignore_reset_delay:1;      /* for entire hierarchy */
+        /* Resource alignment requirements */
+        resource_size_t (*align_resource)(struct pci_dev *dev,
+                        const struct resource *res,
+                        resource_size_t start,
+                        resource_size_t size,
+                        resource_size_t align);
 };
 
 #define to_pci_host_bridge(n) container_of(n, struct pci_host_bridge, dev)
+
+struct pci_host_bridge *pci_find_host_bridge(struct pci_bus *bus);
+
 void pci_set_host_bridge_release(struct pci_host_bridge *bridge,
                      void (*release_fn)(struct pci_host_bridge *),
                      void *release_data);
diff --git a/include/linux/scpi_protocol.h b/include/linux/scpi_protocol.h
index 80af3cd35ae4..72ce932c69b2 100644
--- a/include/linux/scpi_protocol.h
+++ b/include/linux/scpi_protocol.h
@@ -71,7 +71,7 @@ struct scpi_ops {
         int (*sensor_get_value)(u16, u32 *);
 };
 
-#if IS_ENABLED(CONFIG_ARM_SCPI_PROTOCOL)
+#if IS_REACHABLE(CONFIG_ARM_SCPI_PROTOCOL)
 struct scpi_ops *get_scpi_ops(void);
 #else
 static inline struct scpi_ops *get_scpi_ops(void) { return NULL; }
diff --git a/include/linux/signal.h b/include/linux/signal.h
index ab1e0392b5ac..92557bbce7e7 100644
--- a/include/linux/signal.h
+++ b/include/linux/signal.h
@@ -239,7 +239,6 @@ extern int sigprocmask(int, sigset_t *, sigset_t *);
 extern void set_current_blocked(sigset_t *);
 extern void __set_current_blocked(const sigset_t *);
 extern int show_unhandled_signals;
-extern int sigsuspend(sigset_t *);
 
 struct sigaction {
 #ifndef __ARCH_HAS_IRIX_SIGACTION
diff --git a/include/linux/slab.h b/include/linux/slab.h
index 7c82e3b307a3..2037a861e367 100644
--- a/include/linux/slab.h
+++ b/include/linux/slab.h
@@ -158,6 +158,24 @@ size_t ksize(const void *);
 #endif
 
 /*
+ * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment.
+ * Intended for arches that get misalignment faults even for 64 bit integer
+ * aligned buffers.
+ */
+#ifndef ARCH_SLAB_MINALIGN
+#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
+#endif
+
+/*
+ * kmalloc and friends return ARCH_KMALLOC_MINALIGN aligned
+ * pointers. kmem_cache_alloc and friends return ARCH_SLAB_MINALIGN
+ * aligned pointers.
+ */
+#define __assume_kmalloc_alignment __assume_aligned(ARCH_KMALLOC_MINALIGN)
+#define __assume_slab_alignment __assume_aligned(ARCH_SLAB_MINALIGN)
+#define __assume_page_alignment __assume_aligned(PAGE_SIZE)
+
+/*
  * Kmalloc array related definitions
  */
 
@@ -286,8 +304,8 @@ static __always_inline int kmalloc_index(size_t size)
 }
 #endif /* !CONFIG_SLOB */
 
-void *__kmalloc(size_t size, gfp_t flags);
-void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags);
+void *__kmalloc(size_t size, gfp_t flags) __assume_kmalloc_alignment;
+void *kmem_cache_alloc(struct kmem_cache *, gfp_t flags) __assume_slab_alignment;
 void kmem_cache_free(struct kmem_cache *, void *);
 
 /*
@@ -298,11 +316,11 @@ void kmem_cache_free(struct kmem_cache *, void *);
  * Note that interrupts must be enabled when calling these functions.
  */
 void kmem_cache_free_bulk(struct kmem_cache *, size_t, void **);
-bool kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **);
+int kmem_cache_alloc_bulk(struct kmem_cache *, gfp_t, size_t, void **);
 
 #ifdef CONFIG_NUMA
-void *__kmalloc_node(size_t size, gfp_t flags, int node);
-void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node);
+void *__kmalloc_node(size_t size, gfp_t flags, int node) __assume_kmalloc_alignment;
+void *kmem_cache_alloc_node(struct kmem_cache *, gfp_t flags, int node) __assume_slab_alignment;
 #else
 static __always_inline void *__kmalloc_node(size_t size, gfp_t flags, int node)
 {
@@ -316,12 +334,12 @@ static __always_inline void *kmem_cache_alloc_node(struct kmem_cache *s, gfp_t f
 #endif
 
 #ifdef CONFIG_TRACING
-extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t);
+extern void *kmem_cache_alloc_trace(struct kmem_cache *, gfp_t, size_t) __assume_slab_alignment;
 
 #ifdef CONFIG_NUMA
 extern void *kmem_cache_alloc_node_trace(struct kmem_cache *s,
                                            gfp_t gfpflags,
-                                           int node, size_t size);
+                                           int node, size_t size) __assume_slab_alignment;
 #else
 static __always_inline void *
 kmem_cache_alloc_node_trace(struct kmem_cache *s,
@@ -354,10 +372,10 @@ kmem_cache_alloc_node_trace(struct kmem_cache *s,
 }
 #endif /* CONFIG_TRACING */
 
-extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order);
+extern void *kmalloc_order(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment;
 
 #ifdef CONFIG_TRACING
-extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order);
+extern void *kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order) __assume_page_alignment;
 #else
 static __always_inline void *
 kmalloc_order_trace(size_t size, gfp_t flags, unsigned int order)
@@ -482,15 +500,6 @@ static __always_inline void *kmalloc_node(size_t size, gfp_t flags, int node)
         return __kmalloc_node(size, flags, node);
 }
 
-/*
- * Setting ARCH_SLAB_MINALIGN in arch headers allows a different alignment.
- * Intended for arches that get misalignment faults even for 64 bit integer
- * aligned buffers.
- */
-#ifndef ARCH_SLAB_MINALIGN
-#define ARCH_SLAB_MINALIGN __alignof__(unsigned long long)
-#endif
-
 struct memcg_cache_array {
         struct rcu_head rcu;
         struct kmem_cache *entries[0];
diff --git a/include/linux/syscalls.h b/include/linux/syscalls.h
index a156b82dd14c..c2b66a277e98 100644
--- a/include/linux/syscalls.h
+++ b/include/linux/syscalls.h
@@ -524,7 +524,7 @@ asmlinkage long sys_chown(const char __user *filename,
 asmlinkage long sys_lchown(const char __user *filename,
                                 uid_t user, gid_t group);
 asmlinkage long sys_fchown(unsigned int fd, uid_t user, gid_t group);
-#ifdef CONFIG_UID16
+#ifdef CONFIG_HAVE_UID16
 asmlinkage long sys_chown16(const char __user *filename,
                                 old_uid_t user, old_gid_t group);
 asmlinkage long sys_lchown16(const char __user *filename,
diff --git a/include/linux/thermal.h b/include/linux/thermal.h
index 4014a59828fc..613c29bd6baf 100644
--- a/include/linux/thermal.h
+++ b/include/linux/thermal.h
@@ -438,7 +438,8 @@ static inline void thermal_zone_device_unregister(
 static inline int thermal_zone_bind_cooling_device(
         struct thermal_zone_device *tz, int trip,
         struct thermal_cooling_device *cdev,
-        unsigned long upper, unsigned long lower)
+        unsigned long upper, unsigned long lower,
+        unsigned int weight)
 { return -ENODEV; }
 static inline int thermal_zone_unbind_cooling_device(
         struct thermal_zone_device *tz, int trip,
diff --git a/include/linux/tty.h b/include/linux/tty.h
index 5b04b0a5375b..5e31f1b99037 100644
--- a/include/linux/tty.h
+++ b/include/linux/tty.h
@@ -607,7 +607,7 @@ extern void n_tty_inherit_ops(struct tty_ldisc_ops *ops);
 
 /* tty_audit.c */
 #ifdef CONFIG_AUDIT
-extern void tty_audit_add_data(struct tty_struct *tty, unsigned char *data,
+extern void tty_audit_add_data(struct tty_struct *tty, const void *data,
                                size_t size, unsigned icanon);
 extern void tty_audit_exit(void);
 extern void tty_audit_fork(struct signal_struct *sig);
@@ -615,8 +615,8 @@ extern void tty_audit_tiocsti(struct tty_struct *tty, char ch);
 extern void tty_audit_push(struct tty_struct *tty);
 extern int tty_audit_push_current(void);
 #else
-static inline void tty_audit_add_data(struct tty_struct *tty,
-                unsigned char *data, size_t size, unsigned icanon)
+static inline void tty_audit_add_data(struct tty_struct *tty, const void *data,
+                                      size_t size, unsigned icanon)
 {
 }
 static inline void tty_audit_tiocsti(struct tty_struct *tty, char ch)
diff --git a/include/linux/types.h b/include/linux/types.h
index 70d8500bddf1..70dd3dfde631 100644
--- a/include/linux/types.h
+++ b/include/linux/types.h
@@ -35,7 +35,7 @@ typedef __kernel_gid16_t        gid16_t;
 
 typedef unsigned long           uintptr_t;
 
-#ifdef CONFIG_UID16
+#ifdef CONFIG_HAVE_UID16
 /* This is defined by include/asm-{arch}/posix_types.h */
 typedef __kernel_old_uid_t      old_uid_t;
 typedef __kernel_old_gid_t      old_gid_t;