31 files changed, 225 insertions, 74 deletions

diff --git a/include/asm-generic/vmlinux.lds.h b/include/asm-generic/vmlinux.lds.h
index da0be9a8d1de..9623d78f8494 100644
--- a/include/asm-generic/vmlinux.lds.h
+++ b/include/asm-generic/vmlinux.lds.h
@@ -60,6 +60,22 @@
 #define ALIGN_FUNCTION()  . = ALIGN(8)
 
 /*
+ * LD_DEAD_CODE_DATA_ELIMINATION option enables -fdata-sections, which
+ * generates .data.identifier sections, which need to be pulled in with
+ * .data. We don't want to pull in .data..other sections, which Linux
+ * has defined. Same for text and bss.
+ */
+#ifdef CONFIG_LD_DEAD_CODE_DATA_ELIMINATION
+#define TEXT_MAIN .text .text.[0-9a-zA-Z_]*
+#define DATA_MAIN .data .data.[0-9a-zA-Z_]*
+#define BSS_MAIN .bss .bss.[0-9a-zA-Z_]*
+#else
+#define TEXT_MAIN .text
+#define DATA_MAIN .data
+#define BSS_MAIN .bss
+#endif
+
+/*
  * Align to a 32 byte boundary equal to the
  * alignment gcc 4.5 uses for a struct
  */
@@ -198,12 +214,9 @@
 
 /*
  * .data section
- * LD_DEAD_CODE_DATA_ELIMINATION option enables -fdata-sections generates
- * .data.identifier which needs to be pulled in with .data, but don't want to
- * pull in .data..stuff which has its own requirements. Same for bss.
  */
 #define DATA_DATA                                                       \
-        *(.data .data.[0-9a-zA-Z_]*)                                    \
+        *(DATA_MAIN)                                                    \
         *(.ref.data)                                                    \
         *(.data..shared_aligned) /* percpu related */                   \
         MEM_KEEP(init.data)                                             \
@@ -434,16 +447,17 @@
                 VMLINUX_SYMBOL(__security_initcall_end) = .;            \
         }
 
-/* .text section. Map to function alignment to avoid address changes
+/*
+ * .text section. Map to function alignment to avoid address changes
  * during second ld run in second ld pass when generating System.map
- * LD_DEAD_CODE_DATA_ELIMINATION option enables -ffunction-sections generates
- * .text.identifier which needs to be pulled in with .text , but some
- * architectures define .text.foo which is not intended to be pulled in here.
- * Those enabling LD_DEAD_CODE_DATA_ELIMINATION must ensure they don't have
- * conflicting section names, and must pull in .text.[0-9a-zA-Z_]* */
+ *
+ * TEXT_MAIN here will match .text.fixup and .text.unlikely if dead
+ * code elimination is enabled, so these sections should be converted
+ * to use ".." first.
+ */
 #define TEXT_TEXT                                                       \
                 ALIGN_FUNCTION();                                       \
-                *(.text.hot .text .text.fixup .text.unlikely)           \
+                *(.text.hot TEXT_MAIN .text.fixup .text.unlikely)       \
                 *(.ref.text)                                            \
         MEM_KEEP(init.text)                                             \
         MEM_KEEP(exit.text)                                             \
@@ -613,7 +627,7 @@
                 BSS_FIRST_SECTIONS                                      \
                 *(.bss..page_aligned)                                   \
                 *(.dynbss)                                              \
-                *(.bss .bss.[0-9a-zA-Z_]*)                              \
+                *(BSS_MAIN)                                             \
                 *(COMMON)                                               \
         }
 
diff --git a/include/linux/blkdev.h b/include/linux/blkdev.h
index 25f6a0cb27d3..2a5d52fa90f5 100644
--- a/include/linux/blkdev.h
+++ b/include/linux/blkdev.h
@@ -568,7 +568,6 @@ struct request_queue {
 
 #if defined(CONFIG_BLK_DEV_BSG)
         bsg_job_fn              *bsg_job_fn;
-        int                     bsg_job_size;
         struct bsg_class_device bsg_dev;
 #endif
 
diff --git a/include/linux/bsg-lib.h b/include/linux/bsg-lib.h
index e34dde2da0ef..637a20cfb237 100644
--- a/include/linux/bsg-lib.h
+++ b/include/linux/bsg-lib.h
@@ -24,6 +24,7 @@
 #define _BLK_BSG_
 
 #include <linux/blkdev.h>
+#include <scsi/scsi_request.h>
 
 struct request;
 struct device;
@@ -37,6 +38,7 @@ struct bsg_buffer {
 };
 
 struct bsg_job {
+        struct scsi_request sreq;
         struct device *dev;
         struct request *req;
 
diff --git a/include/linux/devpts_fs.h b/include/linux/devpts_fs.h
index 277ab9af9ac2..100cb4343763 100644
--- a/include/linux/devpts_fs.h
+++ b/include/linux/devpts_fs.h
@@ -19,6 +19,7 @@
 
 struct pts_fs_info;
 
+struct vfsmount *devpts_mntget(struct file *, struct pts_fs_info *);
 struct pts_fs_info *devpts_acquire(struct file *);
 void devpts_release(struct pts_fs_info *);
 
@@ -32,6 +33,15 @@ void *devpts_get_priv(struct dentry *);
 /* unlink */
 void devpts_pty_kill(struct dentry *);
 
+/* in pty.c */
+int ptm_open_peer(struct file *master, struct tty_struct *tty, int flags);
+
+#else
+static inline int
+ptm_open_peer(struct file *master, struct tty_struct *tty, int flags)
+{
+        return -EIO;
+}
 #endif
 
 
diff --git a/include/linux/fs.h b/include/linux/fs.h
index 64fa15dafbc1..cdb18f358aee 100644
--- a/include/linux/fs.h
+++ b/include/linux/fs.h
@@ -907,9 +907,9 @@ static inline struct file *get_file(struct file *f)
 /* Page cache limit. The filesystems should put that into their s_maxbytes 
    limits, otherwise bad things can happen in VM. */ 
 #if BITS_PER_LONG==32
-#define MAX_LFS_FILESIZE        (((loff_t)PAGE_SIZE << (BITS_PER_LONG-1))-1)
+#define MAX_LFS_FILESIZE        ((loff_t)ULONG_MAX << PAGE_SHIFT)
 #elif BITS_PER_LONG==64
-#define MAX_LFS_FILESIZE        ((loff_t)0x7fffffffffffffffLL)
+#define MAX_LFS_FILESIZE        ((loff_t)LLONG_MAX)
 #endif
 
 #define FL_POSIX        1
diff --git a/include/linux/iio/iio.h b/include/linux/iio/iio.h
index d68bec297a45..c380daa40c0e 100644
--- a/include/linux/iio/iio.h
+++ b/include/linux/iio/iio.h
@@ -535,7 +535,7 @@ struct iio_buffer_setup_ops {
  * @scan_timestamp:     [INTERN] set if any buffers have requested timestamp
  * @scan_index_timestamp:[INTERN] cache of the index to the timestamp
  * @trig:               [INTERN] current device trigger (buffer modes)
- * @trig_readonly       [INTERN] mark the current trigger immutable
+ * @trig_readonly:      [INTERN] mark the current trigger immutable
  * @pollfunc:           [DRIVER] function run on trigger being received
  * @pollfunc_event:     [DRIVER] function run on events trigger being received
  * @channels:           [DRIVER] channel specification structure table
diff --git a/include/linux/iio/trigger.h b/include/linux/iio/trigger.h
index ea08302f2d7b..7142d8d6e470 100644
--- a/include/linux/iio/trigger.h
+++ b/include/linux/iio/trigger.h
@@ -144,8 +144,8 @@ void devm_iio_trigger_unregister(struct device *dev,
 /**
  * iio_trigger_set_immutable() - set an immutable trigger on destination
  *
- * @indio_dev - IIO device structure containing the device
- * @trig - trigger to assign to device
+ * @indio_dev: IIO device structure containing the device
+ * @trig: trigger to assign to device
  *
  **/
 int iio_trigger_set_immutable(struct iio_dev *indio_dev, struct iio_trigger *trig);
diff --git a/include/linux/iommu.h b/include/linux/iommu.h
index 2cb54adc4a33..176f7569d874 100644
--- a/include/linux/iommu.h
+++ b/include/linux/iommu.h
@@ -240,7 +240,7 @@ struct iommu_device {
         struct list_head list;
         const struct iommu_ops *ops;
         struct fwnode_handle *fwnode;
-        struct device dev;
+        struct device *dev;
 };
 
 int  iommu_device_register(struct iommu_device *iommu);
@@ -265,6 +265,11 @@ static inline void iommu_device_set_fwnode(struct iommu_device *iommu,
         iommu->fwnode = fwnode;
 }
 
+static inline struct iommu_device *dev_to_iommu_device(struct device *dev)
+{
+        return (struct iommu_device *)dev_get_drvdata(dev);
+}
+
 #define IOMMU_GROUP_NOTIFY_ADD_DEVICE           1 /* Device added */
 #define IOMMU_GROUP_NOTIFY_DEL_DEVICE           2 /* Pre Device removed */
 #define IOMMU_GROUP_NOTIFY_BIND_DRIVER          3 /* Pre Driver bind */
@@ -589,6 +594,11 @@ static inline void iommu_device_set_fwnode(struct iommu_device *iommu,
 {
 }
 
+static inline struct iommu_device *dev_to_iommu_device(struct device *dev)
+{
+        return NULL;
+}
+
 static inline void iommu_device_unregister(struct iommu_device *iommu)
 {
 }
diff --git a/include/linux/memblock.h b/include/linux/memblock.h
index 77d427974f57..bae11c7e7bf3 100644
--- a/include/linux/memblock.h
+++ b/include/linux/memblock.h
@@ -61,6 +61,7 @@ extern int memblock_debug;
 #ifdef CONFIG_ARCH_DISCARD_MEMBLOCK
 #define __init_memblock __meminit
 #define __initdata_memblock __meminitdata
+void memblock_discard(void);
 #else
 #define __init_memblock
 #define __initdata_memblock
@@ -74,8 +75,6 @@ phys_addr_t memblock_find_in_range_node(phys_addr_t size, phys_addr_t align,
                                         int nid, ulong flags);
 phys_addr_t memblock_find_in_range(phys_addr_t start, phys_addr_t end,
                                    phys_addr_t size, phys_addr_t align);
-phys_addr_t get_allocated_memblock_reserved_regions_info(phys_addr_t *addr);
-phys_addr_t get_allocated_memblock_memory_regions_info(phys_addr_t *addr);
 void memblock_allow_resize(void);
 int memblock_add_node(phys_addr_t base, phys_addr_t size, int nid);
 int memblock_add(phys_addr_t base, phys_addr_t size);
@@ -110,6 +109,9 @@ void __next_mem_range_rev(u64 *idx, int nid, ulong flags,
 void __next_reserved_mem_region(u64 *idx, phys_addr_t *out_start,
                                 phys_addr_t *out_end);
 
+void __memblock_free_early(phys_addr_t base, phys_addr_t size);
+void __memblock_free_late(phys_addr_t base, phys_addr_t size);
+
 /**
  * for_each_mem_range - iterate through memblock areas from type_a and not
  * included in type_b. Or just type_a if type_b is NULL.
diff --git a/include/linux/memcontrol.h b/include/linux/memcontrol.h
index 3914e3dd6168..9b15a4bcfa77 100644
--- a/include/linux/memcontrol.h
+++ b/include/linux/memcontrol.h
@@ -484,7 +484,8 @@ bool mem_cgroup_oom_synchronize(bool wait);
 extern int do_swap_account;
 #endif
 
-void lock_page_memcg(struct page *page);
+struct mem_cgroup *lock_page_memcg(struct page *page);
+void __unlock_page_memcg(struct mem_cgroup *memcg);
 void unlock_page_memcg(struct page *page);
 
 static inline unsigned long memcg_page_state(struct mem_cgroup *memcg,
@@ -809,7 +810,12 @@ mem_cgroup_print_oom_info(struct mem_cgroup *memcg, struct task_struct *p)
 {
 }
 
-static inline void lock_page_memcg(struct page *page)
+static inline struct mem_cgroup *lock_page_memcg(struct page *page)
+{
+        return NULL;
+}
+
+static inline void __unlock_page_memcg(struct mem_cgroup *memcg)
 {
 }
 
diff --git a/include/linux/net.h b/include/linux/net.h
index dda2cc939a53..ebeb48c92005 100644
--- a/include/linux/net.h
+++ b/include/linux/net.h
@@ -37,7 +37,7 @@ struct net;
 
 /* 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.
+ * Eventually all flags will be in sk->sk_wq->flags.
  */
 #define SOCKWQ_ASYNC_NOSPACE    0
 #define SOCKWQ_ASYNC_WAITDATA   1
diff --git a/include/linux/nmi.h b/include/linux/nmi.h
index 8aa01fd859fb..a36abe2da13e 100644
--- a/include/linux/nmi.h
+++ b/include/linux/nmi.h
@@ -168,6 +168,14 @@ extern int sysctl_hardlockup_all_cpu_backtrace;
 #define sysctl_softlockup_all_cpu_backtrace 0
 #define sysctl_hardlockup_all_cpu_backtrace 0
 #endif
+
+#if defined(CONFIG_HARDLOCKUP_CHECK_TIMESTAMP) && \
+    defined(CONFIG_HARDLOCKUP_DETECTOR)
+void watchdog_update_hrtimer_threshold(u64 period);
+#else
+static inline void watchdog_update_hrtimer_threshold(u64 period) { }
+#endif
+
 extern bool is_hardlockup(void);
 struct ctl_table;
 extern int proc_watchdog(struct ctl_table *, int ,
diff --git a/include/linux/oom.h b/include/linux/oom.h
index 8a266e2be5a6..76aac4ce39bc 100644
--- a/include/linux/oom.h
+++ b/include/linux/oom.h
@@ -6,6 +6,8 @@
 #include <linux/types.h>
 #include <linux/nodemask.h>
 #include <uapi/linux/oom.h>
+#include <linux/sched/coredump.h> /* MMF_* */
+#include <linux/mm.h> /* VM_FAULT* */
 
 struct zonelist;
 struct notifier_block;
@@ -63,6 +65,26 @@ static inline bool tsk_is_oom_victim(struct task_struct * tsk)
         return tsk->signal->oom_mm;
 }
 
+/*
+ * Checks whether a page fault on the given mm is still reliable.
+ * This is no longer true if the oom reaper started to reap the
+ * address space which is reflected by MMF_UNSTABLE flag set in
+ * the mm. At that moment any !shared mapping would lose the content
+ * and could cause a memory corruption (zero pages instead of the
+ * original content).
+ *
+ * User should call this before establishing a page table entry for
+ * a !shared mapping and under the proper page table lock.
+ *
+ * Return 0 when the PF is safe VM_FAULT_SIGBUS otherwise.
+ */
+static inline int check_stable_address_space(struct mm_struct *mm)
+{
+        if (unlikely(test_bit(MMF_UNSTABLE, &mm->flags)))
+                return VM_FAULT_SIGBUS;
+        return 0;
+}
+
 extern unsigned long oom_badness(struct task_struct *p,
                 struct mem_cgroup *memcg, const nodemask_t *nodemask,
                 unsigned long totalpages);
diff --git a/include/linux/pci.h b/include/linux/pci.h
index a75c13673852..f958d0732af6 100644
--- a/include/linux/pci.h
+++ b/include/linux/pci.h
@@ -188,6 +188,8 @@ enum pci_dev_flags {
          * the direct_complete optimization.
          */
         PCI_DEV_FLAGS_NEEDS_RESUME = (__force pci_dev_flags_t) (1 << 11),
+        /* Don't use Relaxed Ordering for TLPs directed at this device */
+        PCI_DEV_FLAGS_NO_RELAXED_ORDERING = (__force pci_dev_flags_t) (1 << 12),
 };
 
 enum pci_irq_reroute_variant {
@@ -1126,6 +1128,7 @@ bool pci_check_pme_status(struct pci_dev *dev);
 void pci_pme_wakeup_bus(struct pci_bus *bus);
 void pci_d3cold_enable(struct pci_dev *dev);
 void pci_d3cold_disable(struct pci_dev *dev);
+bool pcie_relaxed_ordering_enabled(struct pci_dev *dev);
 
 /* PCI Virtual Channel */
 int pci_save_vc_state(struct pci_dev *dev);
diff --git a/include/linux/perf_event.h b/include/linux/perf_event.h
index a3b873fc59e4..b14095bcf4bb 100644
--- a/include/linux/perf_event.h
+++ b/include/linux/perf_event.h
@@ -310,8 +310,8 @@ struct pmu {
          * Notification that the event was mapped or unmapped.  Called
          * in the context of the mapping task.
          */
-        void (*event_mapped)            (struct perf_event *event); /*optional*/
-        void (*event_unmapped)          (struct perf_event *event); /*optional*/
+        void (*event_mapped)            (struct perf_event *event, struct mm_struct *mm); /* optional */
+        void (*event_unmapped)          (struct perf_event *event, struct mm_struct *mm); /* optional */
 
         /*
          * Flags for ->add()/->del()/ ->start()/->stop(). There are
diff --git a/include/linux/pid.h b/include/linux/pid.h
index 4d179316e431..719582744a2e 100644
--- a/include/linux/pid.h
+++ b/include/linux/pid.h
@@ -8,7 +8,9 @@ enum pid_type
         PIDTYPE_PID,
         PIDTYPE_PGID,
         PIDTYPE_SID,
-        PIDTYPE_MAX
+        PIDTYPE_MAX,
+        /* only valid to __task_pid_nr_ns() */
+        __PIDTYPE_TGID
 };
 
 /*
diff --git a/include/linux/ptr_ring.h b/include/linux/ptr_ring.h
index d8c97ec8a8e6..37b4bb2545b3 100644
--- a/include/linux/ptr_ring.h
+++ b/include/linux/ptr_ring.h
@@ -436,9 +436,9 @@ static inline int ptr_ring_consume_batched_bh(struct ptr_ring *r,
         __PTR_RING_PEEK_CALL_v; \
 })
 
-static inline void **__ptr_ring_init_queue_alloc(int size, gfp_t gfp)
+static inline void **__ptr_ring_init_queue_alloc(unsigned int size, gfp_t gfp)
 {
-        return kzalloc(ALIGN(size * sizeof(void *), SMP_CACHE_BYTES), gfp);
+        return kcalloc(size, sizeof(void *), gfp);
 }
 
 static inline void __ptr_ring_set_size(struct ptr_ring *r, int size)
@@ -582,7 +582,8 @@ static inline int ptr_ring_resize(struct ptr_ring *r, int size, gfp_t gfp,
  * In particular if you consume ring in interrupt or BH context, you must
  * disable interrupts/BH when doing so.
  */
-static inline int ptr_ring_resize_multiple(struct ptr_ring **rings, int nrings,
+static inline int ptr_ring_resize_multiple(struct ptr_ring **rings,
+                                           unsigned int nrings,
                                            int size,
                                            gfp_t gfp, void (*destroy)(void *))
 {
@@ -590,7 +591,7 @@ static inline int ptr_ring_resize_multiple(struct ptr_ring **rings, int nrings,
         void ***queues;
         int i;
 
-        queues = kmalloc(nrings * sizeof *queues, gfp);
+        queues = kmalloc_array(nrings, sizeof(*queues), gfp);
         if (!queues)
                 goto noqueues;
 
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 8337e2db0bb2..c05ac5f5aa03 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -1163,13 +1163,6 @@ static inline pid_t task_tgid_nr(struct task_struct *tsk)
         return tsk->tgid;
 }
 
-extern pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns);
-
-static inline pid_t task_tgid_vnr(struct task_struct *tsk)
-{
-        return pid_vnr(task_tgid(tsk));
-}
-
 /**
  * pid_alive - check that a task structure is not stale
  * @p: Task structure to be checked.
@@ -1185,23 +1178,6 @@ static inline int pid_alive(const struct task_struct *p)
         return p->pids[PIDTYPE_PID].pid != NULL;
 }
 
-static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
-{
-        pid_t pid = 0;
-
-        rcu_read_lock();
-        if (pid_alive(tsk))
-                pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
-        rcu_read_unlock();
-
-        return pid;
-}
-
-static inline pid_t task_ppid_nr(const struct task_struct *tsk)
-{
-        return task_ppid_nr_ns(tsk, &init_pid_ns);
-}
-
 static inline pid_t task_pgrp_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
 {
         return __task_pid_nr_ns(tsk, PIDTYPE_PGID, ns);
@@ -1223,6 +1199,33 @@ static inline pid_t task_session_vnr(struct task_struct *tsk)
         return __task_pid_nr_ns(tsk, PIDTYPE_SID, NULL);
 }
 
+static inline pid_t task_tgid_nr_ns(struct task_struct *tsk, struct pid_namespace *ns)
+{
+        return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, ns);
+}
+
+static inline pid_t task_tgid_vnr(struct task_struct *tsk)
+{
+        return __task_pid_nr_ns(tsk, __PIDTYPE_TGID, NULL);
+}
+
+static inline pid_t task_ppid_nr_ns(const struct task_struct *tsk, struct pid_namespace *ns)
+{
+        pid_t pid = 0;
+
+        rcu_read_lock();
+        if (pid_alive(tsk))
+                pid = task_tgid_nr_ns(rcu_dereference(tsk->real_parent), ns);
+        rcu_read_unlock();
+
+        return pid;
+}
+
+static inline pid_t task_ppid_nr(const struct task_struct *tsk)
+{
+        return task_ppid_nr_ns(tsk, &init_pid_ns);
+}
+
 /* Obsolete, do not use: */
 static inline pid_t task_pgrp_nr(struct task_struct *tsk)
 {
diff --git a/include/linux/skb_array.h b/include/linux/skb_array.h
index 35226cd4efb0..8621ffdeecbf 100644
--- a/include/linux/skb_array.h
+++ b/include/linux/skb_array.h
@@ -193,7 +193,8 @@ static inline int skb_array_resize(struct skb_array *a, int size, gfp_t gfp)
 }
 
 static inline int skb_array_resize_multiple(struct skb_array **rings,
-                                            int nrings, int size, gfp_t gfp)
+                                            int nrings, unsigned int size,
+                                            gfp_t gfp)
 {
         BUILD_BUG_ON(offsetof(struct skb_array, ring));
         return ptr_ring_resize_multiple((struct ptr_ring **)rings,
diff --git a/include/linux/wait.h b/include/linux/wait.h
index 5b74e36c0ca8..dc19880c02f5 100644
--- a/include/linux/wait.h
+++ b/include/linux/wait.h
@@ -757,6 +757,43 @@ extern int do_wait_intr_irq(wait_queue_head_t *, wait_queue_entry_t *);
         __ret;                                                                  \
 })
 
+#define __wait_event_killable_timeout(wq_head, condition, timeout)              \
+        ___wait_event(wq_head, ___wait_cond_timeout(condition),                 \
+                      TASK_KILLABLE, 0, timeout,                                \
+                      __ret = schedule_timeout(__ret))
+
+/**
+ * wait_event_killable_timeout - sleep until a condition gets true or a timeout elapses
+ * @wq_head: the waitqueue to wait on
+ * @condition: a C expression for the event to wait for
+ * @timeout: timeout, in jiffies
+ *
+ * The process is put to sleep (TASK_KILLABLE) until the
+ * @condition evaluates to true or a kill signal is received.
+ * The @condition is checked each time the waitqueue @wq_head is woken up.
+ *
+ * wake_up() has to be called after changing any variable that could
+ * change the result of the wait condition.
+ *
+ * Returns:
+ * 0 if the @condition evaluated to %false after the @timeout elapsed,
+ * 1 if the @condition evaluated to %true after the @timeout elapsed,
+ * the remaining jiffies (at least 1) if the @condition evaluated
+ * to %true before the @timeout elapsed, or -%ERESTARTSYS if it was
+ * interrupted by a kill signal.
+ *
+ * Only kill signals interrupt this process.
+ */
+#define wait_event_killable_timeout(wq_head, condition, timeout)                \
+({                                                                              \
+        long __ret = timeout;                                                   \
+        might_sleep();                                                          \
+        if (!___wait_cond_timeout(condition))                                   \
+                __ret = __wait_event_killable_timeout(wq_head,                  \
+                                                condition, timeout);            \
+        __ret;                                                                  \
+})
+
 
 #define __wait_event_lock_irq(wq_head, condition, lock, cmd)                    \
         (void)___wait_event(wq_head, condition, TASK_UNINTERRUPTIBLE, 0, 0,     \
diff --git a/include/net/addrconf.h b/include/net/addrconf.h
index 6df79e96a780..f44ff2476758 100644
--- a/include/net/addrconf.h
+++ b/include/net/addrconf.h
@@ -336,6 +336,16 @@ static inline void in6_dev_put(struct inet6_dev *idev)
                 in6_dev_finish_destroy(idev);
 }
 
+static inline void in6_dev_put_clear(struct inet6_dev **pidev)
+{
+        struct inet6_dev *idev = *pidev;
+
+        if (idev) {
+                in6_dev_put(idev);
+                *pidev = NULL;
+        }
+}
+
 static inline void __in6_dev_put(struct inet6_dev *idev)
 {
         refcount_dec(&idev->refcnt);
diff --git a/include/net/bonding.h b/include/net/bonding.h
index b00508d22e0a..b2e68657a216 100644
--- a/include/net/bonding.h
+++ b/include/net/bonding.h
@@ -277,6 +277,11 @@ static inline bool bond_is_lb(const struct bonding *bond)
                BOND_MODE(bond) == BOND_MODE_ALB;
 }
 
+static inline bool bond_needs_speed_duplex(const struct bonding *bond)
+{
+        return BOND_MODE(bond) == BOND_MODE_8023AD || bond_is_lb(bond);
+}
+
 static inline bool bond_is_nondyn_tlb(const struct bonding *bond)
 {
         return (BOND_MODE(bond) == BOND_MODE_TLB)  &&
diff --git a/include/net/busy_poll.h b/include/net/busy_poll.h
index 8ffd434676b7..71c72a939bf8 100644
--- a/include/net/busy_poll.h
+++ b/include/net/busy_poll.h
@@ -29,18 +29,18 @@
 #include <linux/sched/signal.h>
 #include <net/ip.h>
 
-#ifdef CONFIG_NET_RX_BUSY_POLL
-
-struct napi_struct;
-extern unsigned int sysctl_net_busy_read __read_mostly;
-extern unsigned int sysctl_net_busy_poll __read_mostly;
-
 /*              0 - Reserved to indicate value not set
  *     1..NR_CPUS - Reserved for sender_cpu
  *  NR_CPUS+1..~0 - Region available for NAPI IDs
  */
 #define MIN_NAPI_ID ((unsigned int)(NR_CPUS + 1))
 
+#ifdef CONFIG_NET_RX_BUSY_POLL
+
+struct napi_struct;
+extern unsigned int sysctl_net_busy_read __read_mostly;
+extern unsigned int sysctl_net_busy_poll __read_mostly;
+
 static inline bool net_busy_loop_on(void)
 {
         return sysctl_net_busy_poll;
diff --git a/include/net/ip.h b/include/net/ip.h
index 821cedcc8e73..0cf7f5a65fe6 100644
--- a/include/net/ip.h
+++ b/include/net/ip.h
@@ -352,7 +352,7 @@ static inline unsigned int ip_dst_mtu_maybe_forward(const struct dst_entry *dst,
             !forwarding)
                 return dst_mtu(dst);
 
-        return min(dst->dev->mtu, IP_MAX_MTU);
+        return min(READ_ONCE(dst->dev->mtu), IP_MAX_MTU);
 }
 
 static inline unsigned int ip_skb_dst_mtu(struct sock *sk,
@@ -364,7 +364,7 @@ static inline unsigned int ip_skb_dst_mtu(struct sock *sk,
                 return ip_dst_mtu_maybe_forward(skb_dst(skb), forwarding);
         }
 
-        return min(skb_dst(skb)->dev->mtu, IP_MAX_MTU);
+        return min(READ_ONCE(skb_dst(skb)->dev->mtu), IP_MAX_MTU);
 }
 
 u32 ip_idents_reserve(u32 hash, int segs);
diff --git a/include/net/mac80211.h b/include/net/mac80211.h
index b2b5419467cc..f8149ca192b4 100644
--- a/include/net/mac80211.h
+++ b/include/net/mac80211.h
@@ -5499,6 +5499,21 @@ static inline void ieee80211_stop_rx_ba_session_offl(struct ieee80211_vif *vif,
         ieee80211_manage_rx_ba_offl(vif, addr, tid + IEEE80211_NUM_TIDS);
 }
 
+/**
+ * ieee80211_rx_ba_timer_expired - stop a Rx BA session due to timeout
+ *
+ * Some device drivers do not offload AddBa/DelBa negotiation, but handle rx
+ * buffer reording internally, and therefore also handle the session timer.
+ *
+ * Trigger the timeout flow, which sends a DelBa.
+ *
+ * @vif: &struct ieee80211_vif pointer from the add_interface callback
+ * @addr: station mac address
+ * @tid: the rx tid
+ */
+void ieee80211_rx_ba_timer_expired(struct ieee80211_vif *vif,
+                                   const u8 *addr, unsigned int tid);
+
 /* Rate control API */
 
 /**
diff --git a/include/net/sch_generic.h b/include/net/sch_generic.h
index 1c123e2b2415..67f815e5d525 100644
--- a/include/net/sch_generic.h
+++ b/include/net/sch_generic.h
@@ -806,8 +806,11 @@ static inline struct Qdisc *qdisc_replace(struct Qdisc *sch, struct Qdisc *new,
         old = *pold;
         *pold = new;
         if (old != NULL) {
-                qdisc_tree_reduce_backlog(old, old->q.qlen, old->qstats.backlog);
+                unsigned int qlen = old->q.qlen;
+                unsigned int backlog = old->qstats.backlog;
+
                 qdisc_reset(old);
+                qdisc_tree_reduce_backlog(old, qlen, backlog);
         }
         sch_tree_unlock(sch);
 
diff --git a/include/net/sock.h b/include/net/sock.h
index 7c0632c7e870..aeeec62992ca 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -507,9 +507,7 @@ int sk_set_peek_off(struct sock *sk, int val);
 static inline int sk_peek_offset(struct sock *sk, int flags)
 {
         if (unlikely(flags & MSG_PEEK)) {
-                s32 off = READ_ONCE(sk->sk_peek_off);
-                if (off >= 0)
-                        return off;
+                return READ_ONCE(sk->sk_peek_off);
         }
 
         return 0;
diff --git a/include/net/udp.h b/include/net/udp.h
index cc8036987dcb..586de4b811b5 100644
--- a/include/net/udp.h
+++ b/include/net/udp.h
@@ -366,12 +366,13 @@ static inline bool udp_skb_is_linear(struct sk_buff *skb)
 static inline int copy_linear_skb(struct sk_buff *skb, int len, int off,
                                   struct iov_iter *to)
 {
-        int n, copy = len - off;
+        int n;
 
-        n = copy_to_iter(skb->data + off, copy, to);
-        if (n == copy)
+        n = copy_to_iter(skb->data + off, len, to);
+        if (n == len)
                 return 0;
 
+        iov_iter_revert(to, n);
         return -EFAULT;
 }
 
diff --git a/include/rdma/ib_verbs.h b/include/rdma/ib_verbs.h
index b5732432bb29..88c32aba32f7 100644
--- a/include/rdma/ib_verbs.h
+++ b/include/rdma/ib_verbs.h
@@ -1683,6 +1683,7 @@ struct ib_qp {
         enum ib_qp_type         qp_type;
         struct ib_rwq_ind_table *rwq_ind_tbl;
         struct ib_qp_security  *qp_sec;
+        u8                      port;
 };
 
 struct ib_mr {
diff --git a/include/scsi/scsi_cmnd.h b/include/scsi/scsi_cmnd.h
index a1266d318c85..6af198d8120b 100644
--- a/include/scsi/scsi_cmnd.h
+++ b/include/scsi/scsi_cmnd.h
@@ -57,6 +57,7 @@ struct scsi_pointer {
 /* for scmd->flags */
 #define SCMD_TAGGED             (1 << 0)
 #define SCMD_UNCHECKED_ISA_DMA  (1 << 1)
+#define SCMD_ZONE_WRITE_LOCK    (1 << 2)
 
 struct scsi_cmnd {
         struct scsi_request req;
diff --git a/include/uapi/linux/loop.h b/include/uapi/linux/loop.h
index a3960f98679c..c8125ec1f4f2 100644
--- a/include/uapi/linux/loop.h
+++ b/include/uapi/linux/loop.h
@@ -22,7 +22,6 @@ enum {
         LO_FLAGS_AUTOCLEAR      = 4,
         LO_FLAGS_PARTSCAN       = 8,
         LO_FLAGS_DIRECT_IO      = 16,
-        LO_FLAGS_BLOCKSIZE      = 32,
 };
 
 #include <asm/posix_types.h>    /* for __kernel_old_dev_t */
@@ -60,8 +59,6 @@ struct loop_info64 {
         __u64              lo_init[2];
 };
 
-#define LO_INFO_BLOCKSIZE(l) (l)->lo_init[0]
-
 /*
  * Loop filter types
  */