Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux

Conflicts:
	drivers/net/wireless/iwlegacy/iwl-debugfs.c
	drivers/net/wireless/iwlegacy/iwl-rx.c
	drivers/net/wireless/iwlegacy/iwl-scan.c
	drivers/net/wireless/iwlegacy/iwl-tx.c
	include/net/bluetooth/bluetooth.h

94 files changed, 589 insertions, 257 deletions

diff --git a/kernel/Makefile b/kernel/Makefile
index 2da48d3515e..e898c5b9d02 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -101,6 +101,7 @@ obj-$(CONFIG_RING_BUFFER) += trace/
 obj-$(CONFIG_TRACEPOINTS) += trace/
 obj-$(CONFIG_SMP) += sched_cpupri.o
 obj-$(CONFIG_IRQ_WORK) += irq_work.o
+obj-$(CONFIG_CPU_PM) += cpu_pm.o
 
 obj-$(CONFIG_PERF_EVENTS) += events/
 
diff --git a/kernel/async.c b/kernel/async.c
index 4c2843c0043..80b74b88fef 100644
--- a/kernel/async.c
+++ b/kernel/async.c
@@ -51,7 +51,7 @@ asynchronous and synchronous parts of the kernel.
 #include <linux/async.h>
 #include <linux/atomic.h>
 #include <linux/ktime.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/wait.h>
 #include <linux/sched.h>
 #include <linux/slab.h>
diff --git a/kernel/audit.c b/kernel/audit.c
index 0a1355ca3d7..09fae2677a4 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -45,7 +45,7 @@
 #include <asm/types.h>
 #include <linux/atomic.h>
 #include <linux/mm.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/kthread.h>
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index ce4b054acee..47b7fc1ea89 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -48,7 +48,7 @@
 #include <linux/fs.h>
 #include <linux/namei.h>
 #include <linux/mm.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/mount.h>
 #include <linux/socket.h>
diff --git a/kernel/capability.c b/kernel/capability.c
index 283c529f8b1..b463871a4e6 100644
--- a/kernel/capability.c
+++ b/kernel/capability.c
@@ -10,7 +10,7 @@
 #include <linux/audit.h>
 #include <linux/capability.h>
 #include <linux/mm.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/security.h>
 #include <linux/syscalls.h>
 #include <linux/pid_namespace.h>
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index 453100a4159..d9d5648f3cd 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -2027,7 +2027,7 @@ int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
 		goto out_free_group_list;
 
 	/* prevent changes to the threadgroup list while we take a snapshot. */
-	rcu_read_lock();
+	read_lock(&tasklist_lock);
 	if (!thread_group_leader(leader)) {
 		/*
 		 * a race with de_thread from another thread's exec() may strip
@@ -2036,7 +2036,7 @@ int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
 		 * throw this task away and try again (from cgroup_procs_write);
 		 * this is "double-double-toil-and-trouble-check locking".
 		 */
-		rcu_read_unlock();
+		read_unlock(&tasklist_lock);
 		retval = -EAGAIN;
 		goto out_free_group_list;
 	}
@@ -2057,7 +2057,7 @@ int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
 	} while_each_thread(leader, tsk);
 	/* remember the number of threads in the array for later. */
 	group_size = i;
-	rcu_read_unlock();
+	read_unlock(&tasklist_lock);
 
 	/*
 	 * step 1: check that we can legitimately attach to the cgroup.
@@ -2135,14 +2135,17 @@ int cgroup_attach_proc(struct cgroup *cgrp, struct task_struct *leader)
 		oldcgrp = task_cgroup_from_root(tsk, root);
 		if (cgrp == oldcgrp)
 			continue;
-		/* attach each task to each subsystem */
-		for_each_subsys(root, ss) {
-			if (ss->attach_task)
-				ss->attach_task(cgrp, tsk);
-		}
 		/* if the thread is PF_EXITING, it can just get skipped. */
 		retval = cgroup_task_migrate(cgrp, oldcgrp, tsk, true);
-		BUG_ON(retval != 0 && retval != -ESRCH);
+		if (retval == 0) {
+			/* attach each task to each subsystem */
+			for_each_subsys(root, ss) {
+				if (ss->attach_task)
+					ss->attach_task(cgrp, tsk);
+			}
+		} else {
+			BUG_ON(retval != -ESRCH);
+		}
 	}
 	/* nothing is sensitive to fork() after this point. */
 
@@ -4880,9 +4883,9 @@ void free_css_id(struct cgroup_subsys *ss, struct cgroup_subsys_state *css)
 
 	rcu_assign_pointer(id->css, NULL);
 	rcu_assign_pointer(css->id, NULL);
-	spin_lock(&ss->id_lock);
+	write_lock(&ss->id_lock);
 	idr_remove(&ss->idr, id->id);
-	spin_unlock(&ss->id_lock);
+	write_unlock(&ss->id_lock);
 	kfree_rcu(id, rcu_head);
 }
 EXPORT_SYMBOL_GPL(free_css_id);
@@ -4908,10 +4911,10 @@ static struct css_id *get_new_cssid(struct cgroup_subsys *ss, int depth)
 		error = -ENOMEM;
 		goto err_out;
 	}
-	spin_lock(&ss->id_lock);
+	write_lock(&ss->id_lock);
 	/* Don't use 0. allocates an ID of 1-65535 */
 	error = idr_get_new_above(&ss->idr, newid, 1, &myid);
-	spin_unlock(&ss->id_lock);
+	write_unlock(&ss->id_lock);
 
 	/* Returns error when there are no free spaces for new ID.*/
 	if (error) {
@@ -4926,9 +4929,9 @@ static struct css_id *get_new_cssid(struct cgroup_subsys *ss, int depth)
 	return newid;
 remove_idr:
 	error = -ENOSPC;
-	spin_lock(&ss->id_lock);
+	write_lock(&ss->id_lock);
 	idr_remove(&ss->idr, myid);
-	spin_unlock(&ss->id_lock);
+	write_unlock(&ss->id_lock);
 err_out:
 	kfree(newid);
 	return ERR_PTR(error);
@@ -4940,7 +4943,7 @@ static int __init_or_module cgroup_init_idr(struct cgroup_subsys *ss,
 {
 	struct css_id *newid;
 
-	spin_lock_init(&ss->id_lock);
+	rwlock_init(&ss->id_lock);
 	idr_init(&ss->idr);
 
 	newid = get_new_cssid(ss, 0);
@@ -5035,9 +5038,9 @@ css_get_next(struct cgroup_subsys *ss, int id,
 		 * scan next entry from bitmap(tree), tmpid is updated after
 		 * idr_get_next().
 		 */
-		spin_lock(&ss->id_lock);
+		read_lock(&ss->id_lock);
 		tmp = idr_get_next(&ss->idr, &tmpid);
-		spin_unlock(&ss->id_lock);
+		read_unlock(&ss->id_lock);
 
 		if (!tmp)
 			break;
diff --git a/kernel/cgroup_freezer.c b/kernel/cgroup_freezer.c
index e691818d7e4..5e828a2ca8e 100644
--- a/kernel/cgroup_freezer.c
+++ b/kernel/cgroup_freezer.c
@@ -14,7 +14,7 @@
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/cgroup.h>
 #include <linux/fs.h>
diff --git a/kernel/compat.c b/kernel/compat.c
index e2435ee9993..f346cedfe24 100644
--- a/kernel/compat.c
+++ b/kernel/compat.c
@@ -21,6 +21,7 @@
 #include <linux/unistd.h>
 #include <linux/security.h>
 #include <linux/timex.h>
+#include <linux/export.h>
 #include <linux/migrate.h>
 #include <linux/posix-timers.h>
 #include <linux/times.h>
diff --git a/kernel/cpu.c b/kernel/cpu.c
index 12b7458f23b..563f1360947 100644
--- a/kernel/cpu.c
+++ b/kernel/cpu.c
@@ -10,11 +10,12 @@
 #include <linux/sched.h>
 #include <linux/unistd.h>
 #include <linux/cpu.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/kthread.h>
 #include <linux/stop_machine.h>
 #include <linux/mutex.h>
 #include <linux/gfp.h>
+#include <linux/suspend.h>
 
 #ifdef CONFIG_SMP
 /* Serializes the updates to cpu_online_mask, cpu_present_mask */
@@ -476,6 +477,79 @@ static int alloc_frozen_cpus(void)
 	return 0;
 }
 core_initcall(alloc_frozen_cpus);
+
+/*
+ * Prevent regular CPU hotplug from racing with the freezer, by disabling CPU
+ * hotplug when tasks are about to be frozen. Also, don't allow the freezer
+ * to continue until any currently running CPU hotplug operation gets
+ * completed.
+ * To modify the 'cpu_hotplug_disabled' flag, we need to acquire the
+ * 'cpu_add_remove_lock'. And this same lock is also taken by the regular
+ * CPU hotplug path and released only after it is complete. Thus, we
+ * (and hence the freezer) will block here until any currently running CPU
+ * hotplug operation gets completed.
+ */
+void cpu_hotplug_disable_before_freeze(void)
+{
+	cpu_maps_update_begin();
+	cpu_hotplug_disabled = 1;
+	cpu_maps_update_done();
+}
+
+
+/*
+ * When tasks have been thawed, re-enable regular CPU hotplug (which had been
+ * disabled while beginning to freeze tasks).
+ */
+void cpu_hotplug_enable_after_thaw(void)
+{
+	cpu_maps_update_begin();
+	cpu_hotplug_disabled = 0;
+	cpu_maps_update_done();
+}
+
+/*
+ * When callbacks for CPU hotplug notifications are being executed, we must
+ * ensure that the state of the system with respect to the tasks being frozen
+ * or not, as reported by the notification, remains unchanged *throughout the
+ * duration* of the execution of the callbacks.
+ * Hence we need to prevent the freezer from racing with regular CPU hotplug.
+ *
+ * This synchronization is implemented by mutually excluding regular CPU
+ * hotplug and Suspend/Hibernate call paths by hooking onto the Suspend/
+ * Hibernate notifications.
+ */
+static int
+cpu_hotplug_pm_callback(struct notifier_block *nb,
+			unsigned long action, void *ptr)
+{
+	switch (action) {
+
+	case PM_SUSPEND_PREPARE:
+	case PM_HIBERNATION_PREPARE:
+		cpu_hotplug_disable_before_freeze();
+		break;
+
+	case PM_POST_SUSPEND:
+	case PM_POST_HIBERNATION:
+		cpu_hotplug_enable_after_thaw();
+		break;
+
+	default:
+		return NOTIFY_DONE;
+	}
+
+	return NOTIFY_OK;
+}
+
+
+int cpu_hotplug_pm_sync_init(void)
+{
+	pm_notifier(cpu_hotplug_pm_callback, 0);
+	return 0;
+}
+core_initcall(cpu_hotplug_pm_sync_init);
+
 #endif /* CONFIG_PM_SLEEP_SMP */
 
 /**
diff --git a/kernel/cpu_pm.c b/kernel/cpu_pm.c
new file mode 100644
index 00000000000..249152e1530
--- /dev/null
+++ b/kernel/cpu_pm.c
@@ -0,0 +1,233 @@
+/*
+ * Copyright (C) 2011 Google, Inc.
+ *
+ * Author:
+ *	Colin Cross <ccross@android.com>
+ *
+ * This software is licensed under the terms of the GNU General Public
+ * License version 2, as published by the Free Software Foundation, and
+ * may be copied, distributed, and modified under those terms.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/cpu_pm.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/spinlock.h>
+#include <linux/syscore_ops.h>
+
+static DEFINE_RWLOCK(cpu_pm_notifier_lock);
+static RAW_NOTIFIER_HEAD(cpu_pm_notifier_chain);
+
+static int cpu_pm_notify(enum cpu_pm_event event, int nr_to_call, int *nr_calls)
+{
+	int ret;
+
+	ret = __raw_notifier_call_chain(&cpu_pm_notifier_chain, event, NULL,
+		nr_to_call, nr_calls);
+
+	return notifier_to_errno(ret);
+}
+
+/**
+ * cpu_pm_register_notifier - register a driver with cpu_pm
+ * @nb: notifier block to register
+ *
+ * Add a driver to a list of drivers that are notified about
+ * CPU and CPU cluster low power entry and exit.
+ *
+ * This function may sleep, and has the same return conditions as
+ * raw_notifier_chain_register.
+ */
+int cpu_pm_register_notifier(struct notifier_block *nb)
+{
+	unsigned long flags;
+	int ret;
+
+	write_lock_irqsave(&cpu_pm_notifier_lock, flags);
+	ret = raw_notifier_chain_register(&cpu_pm_notifier_chain, nb);
+	write_unlock_irqrestore(&cpu_pm_notifier_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cpu_pm_register_notifier);
+
+/**
+ * cpu_pm_unregister_notifier - unregister a driver with cpu_pm
+ * @nb: notifier block to be unregistered
+ *
+ * Remove a driver from the CPU PM notifier list.
+ *
+ * This function may sleep, and has the same return conditions as
+ * raw_notifier_chain_unregister.
+ */
+int cpu_pm_unregister_notifier(struct notifier_block *nb)
+{
+	unsigned long flags;
+	int ret;
+
+	write_lock_irqsave(&cpu_pm_notifier_lock, flags);
+	ret = raw_notifier_chain_unregister(&cpu_pm_notifier_chain, nb);
+	write_unlock_irqrestore(&cpu_pm_notifier_lock, flags);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cpu_pm_unregister_notifier);
+
+/**
+ * cpm_pm_enter - CPU low power entry notifier
+ *
+ * Notifies listeners that a single CPU is entering a low power state that may
+ * cause some blocks in the same power domain as the cpu to reset.
+ *
+ * Must be called on the affected CPU with interrupts disabled.  Platform is
+ * responsible for ensuring that cpu_pm_enter is not called twice on the same
+ * CPU before cpu_pm_exit is called. Notified drivers can include VFP
+ * co-processor, interrupt controller and it's PM extensions, local CPU
+ * timers context save/restore which shouldn't be interrupted. Hence it
+ * must be called with interrupts disabled.
+ *
+ * Return conditions are same as __raw_notifier_call_chain.
+ */
+int cpu_pm_enter(void)
+{
+	int nr_calls;
+	int ret = 0;
+
+	read_lock(&cpu_pm_notifier_lock);
+	ret = cpu_pm_notify(CPU_PM_ENTER, -1, &nr_calls);
+	if (ret)
+		/*
+		 * Inform listeners (nr_calls - 1) about failure of CPU PM
+		 * PM entry who are notified earlier to prepare for it.
+		 */
+		cpu_pm_notify(CPU_PM_ENTER_FAILED, nr_calls - 1, NULL);
+	read_unlock(&cpu_pm_notifier_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cpu_pm_enter);
+
+/**
+ * cpm_pm_exit - CPU low power exit notifier
+ *
+ * Notifies listeners that a single CPU is exiting a low power state that may
+ * have caused some blocks in the same power domain as the cpu to reset.
+ *
+ * Notified drivers can include VFP co-processor, interrupt controller
+ * and it's PM extensions, local CPU timers context save/restore which
+ * shouldn't be interrupted. Hence it must be called with interrupts disabled.
+ *
+ * Return conditions are same as __raw_notifier_call_chain.
+ */
+int cpu_pm_exit(void)
+{
+	int ret;
+
+	read_lock(&cpu_pm_notifier_lock);
+	ret = cpu_pm_notify(CPU_PM_EXIT, -1, NULL);
+	read_unlock(&cpu_pm_notifier_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cpu_pm_exit);
+
+/**
+ * cpm_cluster_pm_enter - CPU cluster low power entry notifier
+ *
+ * Notifies listeners that all cpus in a power domain are entering a low power
+ * state that may cause some blocks in the same power domain to reset.
+ *
+ * Must be called after cpu_pm_enter has been called on all cpus in the power
+ * domain, and before cpu_pm_exit has been called on any cpu in the power
+ * domain. Notified drivers can include VFP co-processor, interrupt controller
+ * and it's PM extensions, local CPU timers context save/restore which
+ * shouldn't be interrupted. Hence it must be called with interrupts disabled.
+ *
+ * Must be called with interrupts disabled.
+ *
+ * Return conditions are same as __raw_notifier_call_chain.
+ */
+int cpu_cluster_pm_enter(void)
+{
+	int nr_calls;
+	int ret = 0;
+
+	read_lock(&cpu_pm_notifier_lock);
+	ret = cpu_pm_notify(CPU_CLUSTER_PM_ENTER, -1, &nr_calls);
+	if (ret)
+		/*
+		 * Inform listeners (nr_calls - 1) about failure of CPU cluster
+		 * PM entry who are notified earlier to prepare for it.
+		 */
+		cpu_pm_notify(CPU_CLUSTER_PM_ENTER_FAILED, nr_calls - 1, NULL);
+	read_unlock(&cpu_pm_notifier_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cpu_cluster_pm_enter);
+
+/**
+ * cpm_cluster_pm_exit - CPU cluster low power exit notifier
+ *
+ * Notifies listeners that all cpus in a power domain are exiting form a
+ * low power state that may have caused some blocks in the same power domain
+ * to reset.
+ *
+ * Must be called after cpu_pm_exit has been called on all cpus in the power
+ * domain, and before cpu_pm_exit has been called on any cpu in the power
+ * domain. Notified drivers can include VFP co-processor, interrupt controller
+ * and it's PM extensions, local CPU timers context save/restore which
+ * shouldn't be interrupted. Hence it must be called with interrupts disabled.
+ *
+ * Return conditions are same as __raw_notifier_call_chain.
+ */
+int cpu_cluster_pm_exit(void)
+{
+	int ret;
+
+	read_lock(&cpu_pm_notifier_lock);
+	ret = cpu_pm_notify(CPU_CLUSTER_PM_EXIT, -1, NULL);
+	read_unlock(&cpu_pm_notifier_lock);
+
+	return ret;
+}
+EXPORT_SYMBOL_GPL(cpu_cluster_pm_exit);
+
+#ifdef CONFIG_PM
+static int cpu_pm_suspend(void)
+{
+	int ret;
+
+	ret = cpu_pm_enter();
+	if (ret)
+		return ret;
+
+	ret = cpu_cluster_pm_enter();
+	return ret;
+}
+
+static void cpu_pm_resume(void)
+{
+	cpu_cluster_pm_exit();
+	cpu_pm_exit();
+}
+
+static struct syscore_ops cpu_pm_syscore_ops = {
+	.suspend = cpu_pm_suspend,
+	.resume = cpu_pm_resume,
+};
+
+static int cpu_pm_init(void)
+{
+	register_syscore_ops(&cpu_pm_syscore_ops);
+	return 0;
+}
+core_initcall(cpu_pm_init);
+#endif
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 10131fdaff7..9fe58c46a42 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -37,7 +37,7 @@
 #include <linux/mempolicy.h>
 #include <linux/mm.h>
 #include <linux/memory.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/mount.h>
 #include <linux/namei.h>
 #include <linux/pagemap.h>
@@ -949,6 +949,8 @@ static void cpuset_migrate_mm(struct mm_struct *mm, const nodemask_t *from,
 static void cpuset_change_task_nodemask(struct task_struct *tsk,
 					nodemask_t *newmems)
 {
+	bool masks_disjoint = !nodes_intersects(*newmems, tsk->mems_allowed);
+
 repeat:
 	/*
 	 * Allow tasks that have access to memory reserves because they have
@@ -963,7 +965,6 @@ repeat:
 	nodes_or(tsk->mems_allowed, tsk->mems_allowed, *newmems);
 	mpol_rebind_task(tsk, newmems, MPOL_REBIND_STEP1);
 
-
 	/*
 	 * ensure checking ->mems_allowed_change_disable after setting all new
 	 * allowed nodes.
@@ -980,9 +981,11 @@ repeat:
 
 	/*
 	 * Allocation of memory is very fast, we needn't sleep when waiting
-	 * for the read-side.
+	 * for the read-side.  No wait is necessary, however, if at least one
+	 * node remains unchanged.
 	 */
-	while (ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
+	while (masks_disjoint &&
+			ACCESS_ONCE(tsk->mems_allowed_change_disable)) {
 		task_unlock(tsk);
 		if (!task_curr(tsk))
 			yield();
diff --git a/kernel/crash_dump.c b/kernel/crash_dump.c
index 5f85690285d..c766ee54c0b 100644
--- a/kernel/crash_dump.c
+++ b/kernel/crash_dump.c
@@ -2,7 +2,7 @@
 #include <linux/crash_dump.h>
 #include <linux/init.h>
 #include <linux/errno.h>
-#include <linux/module.h>
+#include <linux/export.h>
 
 /*
  * If we have booted due to a crash, max_pfn will be a very low value. We need
@@ -20,8 +20,15 @@ unsigned long saved_max_pfn;
 unsigned long long elfcorehdr_addr = ELFCORE_ADDR_MAX;
 
 /*
+ * stores the size of elf header of crash image
+ */
+unsigned long long elfcorehdr_size;
+
+/*
  * elfcorehdr= specifies the location of elf core header stored by the crashed
  * kernel. This option will be passed by kexec loader to the capture kernel.
+ *
+ * Syntax: elfcorehdr=[size[KMG]@]offset[KMG]
  */
 static int __init setup_elfcorehdr(char *arg)
 {
@@ -29,6 +36,10 @@ static int __init setup_elfcorehdr(char *arg)
 	if (!arg)
 		return -EINVAL;
 	elfcorehdr_addr = memparse(arg, &end);
+	if (*end == '@') {
+		elfcorehdr_size = elfcorehdr_addr;
+		elfcorehdr_addr = memparse(end + 1, &end);
+	}
 	return end > arg ? 0 : -EINVAL;
 }
 early_param("elfcorehdr", setup_elfcorehdr);
diff --git a/kernel/cred.c b/kernel/cred.c
index bb55d052d85..5791612a404 100644
--- a/kernel/cred.c
+++ b/kernel/cred.c
@@ -8,7 +8,7 @@
  * as published by the Free Software Foundation; either version
  * 2 of the Licence, or (at your option) any later version.
  */
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/cred.h>
 #include <linux/slab.h>
 #include <linux/sched.h>
diff --git a/kernel/debug/gdbstub.c b/kernel/debug/gdbstub.c
index 34872482315..c22d8c28ad8 100644
--- a/kernel/debug/gdbstub.c
+++ b/kernel/debug/gdbstub.c
@@ -217,7 +217,7 @@ void gdbstub_msg_write(const char *s, int len)
 
 		/* Pack in hex chars */
 		for (i = 0; i < wcount; i++)
-			bufptr = pack_hex_byte(bufptr, s[i]);
+			bufptr = hex_byte_pack(bufptr, s[i]);
 		*bufptr = '\0';
 
 		/* Move up */
@@ -249,7 +249,7 @@ char *kgdb_mem2hex(char *mem, char *buf, int count)
 	if (err)
 		return NULL;
 	while (count > 0) {
-		buf = pack_hex_byte(buf, *tmp);
+		buf = hex_byte_pack(buf, *tmp);
 		tmp++;
 		count--;
 	}
@@ -411,14 +411,14 @@ static char *pack_threadid(char *pkt, unsigned char *id)
 	limit = id + (BUF_THREAD_ID_SIZE / 2);
 	while (id < limit) {
 		if (!lzero || *id != 0) {
-			pkt = pack_hex_byte(pkt, *id);
+			pkt = hex_byte_pack(pkt, *id);
 			lzero = 0;
 		}
 		id++;
 	}
 
 	if (lzero)
-		pkt = pack_hex_byte(pkt, 0);
+		pkt = hex_byte_pack(pkt, 0);
 
 	return pkt;
 }
@@ -486,7 +486,7 @@ static void gdb_cmd_status(struct kgdb_state *ks)
 	dbg_remove_all_break();
 
 	remcom_out_buffer[0] = 'S';
-	pack_hex_byte(&remcom_out_buffer[1], ks->signo);
+	hex_byte_pack(&remcom_out_buffer[1], ks->signo);
 }
 
 static void gdb_get_regs_helper(struct kgdb_state *ks)
@@ -954,7 +954,7 @@ int gdb_serial_stub(struct kgdb_state *ks)
 		/* Reply to host that an exception has occurred */
 		ptr = remcom_out_buffer;
 		*ptr++ = 'T';
-		ptr = pack_hex_byte(ptr, ks->signo);
+		ptr = hex_byte_pack(ptr, ks->signo);
 		ptr += strlen(strcpy(ptr, "thread:"));
 		int_to_threadref(thref, shadow_pid(current->pid));
 		ptr = pack_threadid(ptr, thref);
diff --git a/kernel/debug/kdb/kdb_debugger.c b/kernel/debug/kdb/kdb_debugger.c
index d9ca9aa481e..8b68ce78ff1 100644
--- a/kernel/debug/kdb/kdb_debugger.c
+++ b/kernel/debug/kdb/kdb_debugger.c
@@ -11,6 +11,7 @@
 #include <linux/kgdb.h>
 #include <linux/kdb.h>
 #include <linux/kdebug.h>
+#include <linux/export.h>
 #include "kdb_private.h"
 #include "../debug_core.h"
 
diff --git a/kernel/dma.c b/kernel/dma.c
index f903189c530..68a2306522c 100644
--- a/kernel/dma.c
+++ b/kernel/dma.c
@@ -9,7 +9,7 @@
  *   [It also happened to remove the sizeof(char *) == sizeof(int)
  *   assumption introduced because of those /proc/dma patches. -- Hennus]
  */
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/errno.h>
 #include <linux/spinlock.h>
diff --git a/kernel/events/core.c b/kernel/events/core.c
index d1a1bee3522..0e8457da6f9 100644
--- a/kernel/events/core.c
+++ b/kernel/events/core.c
@@ -25,11 +25,11 @@
 #include <linux/reboot.h>
 #include <linux/vmstat.h>
 #include <linux/device.h>
+#include <linux/export.h>
 #include <linux/vmalloc.h>
 #include <linux/hardirq.h>
 #include <linux/rculist.h>
 #include <linux/uaccess.h>
-#include <linux/suspend.h>
 #include <linux/syscalls.h>
 #include <linux/anon_inodes.h>
 #include <linux/kernel_stat.h>
@@ -3544,7 +3544,7 @@ static void perf_mmap_close(struct vm_area_struct *vma)
 		struct ring_buffer *rb = event->rb;
 
 		atomic_long_sub((size >> PAGE_SHIFT) + 1, &user->locked_vm);
-		vma->vm_mm->locked_vm -= event->mmap_locked;
+		vma->vm_mm->pinned_vm -= event->mmap_locked;
 		rcu_assign_pointer(event->rb, NULL);
 		mutex_unlock(&event->mmap_mutex);
 
@@ -3625,7 +3625,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
 
 	lock_limit = rlimit(RLIMIT_MEMLOCK);
 	lock_limit >>= PAGE_SHIFT;
-	locked = vma->vm_mm->locked_vm + extra;
+	locked = vma->vm_mm->pinned_vm + extra;
 
 	if ((locked > lock_limit) && perf_paranoid_tracepoint_raw() &&
 		!capable(CAP_IPC_LOCK)) {
@@ -3651,7 +3651,7 @@ static int perf_mmap(struct file *file, struct vm_area_struct *vma)
 	atomic_long_add(user_extra, &user->locked_vm);
 	event->mmap_locked = extra;
 	event->mmap_user = get_current_user();
-	vma->vm_mm->locked_vm += event->mmap_locked;
+	vma->vm_mm->pinned_vm += event->mmap_locked;
 
 unlock:
 	if (!ret)
@@ -6853,7 +6853,7 @@ static void __cpuinit perf_event_init_cpu(int cpu)
 	struct swevent_htable *swhash = &per_cpu(swevent_htable, cpu);
 
 	mutex_lock(&swhash->hlist_mutex);
-	if (swhash->hlist_refcount > 0 && !swhash->swevent_hlist) {
+	if (swhash->hlist_refcount > 0) {
 		struct swevent_hlist *hlist;
 
 		hlist = kzalloc_node(sizeof(*hlist), GFP_KERNEL, cpu_to_node(cpu));
@@ -6942,14 +6942,7 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
 {
 	unsigned int cpu = (long)hcpu;
 
-	/*
-	 * Ignore suspend/resume action, the perf_pm_notifier will
-	 * take care of that.
-	 */
-	if (action & CPU_TASKS_FROZEN)
-		return NOTIFY_OK;
-
-	switch (action) {
+	switch (action & ~CPU_TASKS_FROZEN) {
 
 	case CPU_UP_PREPARE:
 	case CPU_DOWN_FAILED:
@@ -6968,90 +6961,6 @@ perf_cpu_notify(struct notifier_block *self, unsigned long action, void *hcpu)
 	return NOTIFY_OK;
 }
 
-static void perf_pm_resume_cpu(void *unused)
-{
-	struct perf_cpu_context *cpuctx;
-	struct perf_event_context *ctx;
-	struct pmu *pmu;
-	int idx;
-
-	idx = srcu_read_lock(&pmus_srcu);
-	list_for_each_entry_rcu(pmu, &pmus, entry) {
-		cpuctx = this_cpu_ptr(pmu->pmu_cpu_context);
-		ctx = cpuctx->task_ctx;
-
-		perf_ctx_lock(cpuctx, ctx);
-		perf_pmu_disable(cpuctx->ctx.pmu);
-
-		cpu_ctx_sched_out(cpuctx, EVENT_ALL);
-		if (ctx)
-			ctx_sched_out(ctx, cpuctx, EVENT_ALL);
-
-		perf_pmu_enable(cpuctx->ctx.pmu);
-		perf_ctx_unlock(cpuctx, ctx);
-	}
-	srcu_read_unlock(&pmus_srcu, idx);
-}
-
-static void perf_pm_suspend_cpu(void *unused)
-{
-	struct perf_cpu_context *cpuctx;
-	struct perf_event_context *ctx;
-	struct pmu *pmu;
-	int idx;
-
-	idx = srcu_read_lock(&pmus_srcu);
-	list_for_each_entry_rcu(pmu, &pmus, entry) {
-		cpuctx = this_cpu_ptr(pmu->pmu_cpu_context);
-		ctx = cpuctx->task_ctx;
-
-		perf_ctx_lock(cpuctx, ctx);
-		perf_pmu_disable(cpuctx->ctx.pmu);
-
-		perf_event_sched_in(cpuctx, ctx, current);
-
-		perf_pmu_enable(cpuctx->ctx.pmu);
-		perf_ctx_unlock(cpuctx, ctx);
-	}
-	srcu_read_unlock(&pmus_srcu, idx);
-}
-
-static int perf_resume(void)
-{
-	get_online_cpus();
-	smp_call_function(perf_pm_resume_cpu, NULL, 1);
-	put_online_cpus();
-
-	return NOTIFY_OK;
-}
-
-static int perf_suspend(void)
-{
-	get_online_cpus();
-	smp_call_function(perf_pm_suspend_cpu, NULL, 1);
-	put_online_cpus();
-
-	return NOTIFY_OK;
-}
-
-static int perf_pm(struct notifier_block *self, unsigned long action, void *ptr)
-{
-	switch (action) {
-	case PM_POST_HIBERNATION:
-	case PM_POST_SUSPEND:
-		return perf_resume();
-	case PM_HIBERNATION_PREPARE:
-	case PM_SUSPEND_PREPARE:
-		return perf_suspend();
-	default:
-		return NOTIFY_DONE;
-	}
-}
-
-static struct notifier_block perf_pm_notifier = {
-	.notifier_call = perf_pm,
-};
-
 void __init perf_event_init(void)
 {
 	int ret;
@@ -7066,7 +6975,6 @@ void __init perf_event_init(void)
 	perf_tp_register();
 	perf_cpu_notifier(perf_cpu_notify);
 	register_reboot_notifier(&perf_reboot_notifier);
-	register_pm_notifier(&perf_pm_notifier);
 
 	ret = init_hw_breakpoint();
 	WARN(ret, "hw_breakpoint initialization failed with: %d", ret);
diff --git a/kernel/exit.c b/kernel/exit.c
index 2913b3509d4..d0b7d988f87 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -681,8 +681,6 @@ static void exit_mm(struct task_struct * tsk)
 	enter_lazy_tlb(mm, current);
 	/* We don't want this task to be frozen prematurely */
 	clear_freeze_flag(tsk);
-	if (tsk->signal->oom_score_adj == OOM_SCORE_ADJ_MIN)
-		atomic_dec(&mm->oom_disable_count);
 	task_unlock(tsk);
 	mm_update_next_owner(mm);
 	mmput(mm);
diff --git a/kernel/fork.c b/kernel/fork.c
index 8e6b6f4fb27..ba0d1726132 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -501,7 +501,6 @@ static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p)
 	mm->cached_hole_size = ~0UL;
 	mm_init_aio(mm);
 	mm_init_owner(mm, p);
-	atomic_set(&mm->oom_disable_count, 0);
 
 	if (likely(!mm_alloc_pgd(mm))) {
 		mm->def_flags = 0;
@@ -816,8 +815,6 @@ good_mm:
 	/* Initializing for Swap token stuff */
 	mm->token_priority = 0;
 	mm->last_interval = 0;
-	if (tsk->signal->oom_score_adj == OOM_SCORE_ADJ_MIN)
-		atomic_inc(&mm->oom_disable_count);
 
 	tsk->mm = mm;
 	tsk->active_mm = mm;
@@ -1302,6 +1299,9 @@ static struct task_struct *copy_process(unsigned long clone_flags,
 	p->pdeath_signal = 0;
 	p->exit_state = 0;
 
+	p->nr_dirtied = 0;
+	p->nr_dirtied_pause = 128 >> (PAGE_SHIFT - 10);
+
 	/*
 	 * Ok, make it visible to the rest of the system.
 	 * We dont wake it up yet.
@@ -1391,13 +1391,8 @@ bad_fork_cleanup_io:
 bad_fork_cleanup_namespaces:
 	exit_task_namespaces(p);
 bad_fork_cleanup_mm:
-	if (p->mm) {
-		task_lock(p);
-		if (p->signal->oom_score_adj == OOM_SCORE_ADJ_MIN)
-			atomic_dec(&p->mm->oom_disable_count);
-		task_unlock(p);
+	if (p->mm)
 		mmput(p->mm);
-	}
 bad_fork_cleanup_signal:
 	if (!(clone_flags & CLONE_THREAD))
 		free_signal_struct(p->signal);
diff --git a/kernel/freezer.c b/kernel/freezer.c
index 66a594e8ad2..7be56c53439 100644
--- a/kernel/freezer.c
+++ b/kernel/freezer.c
@@ -6,7 +6,7 @@
 
 #include <linux/interrupt.h>
 #include <linux/suspend.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/syscalls.h>
 #include <linux/freezer.h>
 
@@ -67,7 +67,7 @@ static void fake_signal_wake_up(struct task_struct *p)
 	unsigned long flags;
 
 	spin_lock_irqsave(&p->sighand->siglock, flags);
-	signal_wake_up(p, 1);
+	signal_wake_up(p, 0);
 	spin_unlock_irqrestore(&p->sighand->siglock, flags);
 }
 
diff --git a/kernel/futex.c b/kernel/futex.c
index 1511dff0cfd..ea87f4d2f45 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -55,7 +55,7 @@
 #include <linux/pagemap.h>
 #include <linux/syscalls.h>
 #include <linux/signal.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/magic.h>
 #include <linux/pid.h>
 #include <linux/nsproxy.h>
diff --git a/kernel/groups.c b/kernel/groups.c
index 1cc476d52dd..99b53d1eb7e 100644
--- a/kernel/groups.c
+++ b/kernel/groups.c
@@ -2,7 +2,7 @@
  * Supplementary group IDs
  */
 #include <linux/cred.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/security.h>
 #include <linux/syscalls.h>
diff --git a/kernel/hrtimer.c b/kernel/hrtimer.c
index a9205e32a05..422e567eecf 100644
--- a/kernel/hrtimer.c
+++ b/kernel/hrtimer.c
@@ -32,7 +32,7 @@
  */
 
 #include <linux/cpu.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/percpu.h>
 #include <linux/hrtimer.h>
 #include <linux/notifier.h>
diff --git a/kernel/hung_task.c b/kernel/hung_task.c
index ea640120ab8..8b1748d0172 100644
--- a/kernel/hung_task.c
+++ b/kernel/hung_task.c
@@ -13,7 +13,7 @@
 #include <linux/freezer.h>
 #include <linux/kthread.h>
 #include <linux/lockdep.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/sysctl.h>
 
 /*
diff --git a/kernel/irq/generic-chip.c b/kernel/irq/generic-chip.c
index e38544dddb1..c89295a8f66 100644
--- a/kernel/irq/generic-chip.c
+++ b/kernel/irq/generic-chip.c
@@ -6,6 +6,7 @@
 #include <linux/io.h>
 #include <linux/irq.h>
 #include <linux/slab.h>
+#include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
 #include <linux/syscore_ops.h>
@@ -211,6 +212,7 @@ irq_alloc_generic_chip(const char *name, int num_ct, unsigned int irq_base,
 	}
 	return gc;
 }
+EXPORT_SYMBOL_GPL(irq_alloc_generic_chip);
 
 /*
  * Separate lockdep class for interrupt chip which can nest irq_desc
@@ -258,6 +260,7 @@ void irq_setup_generic_chip(struct irq_chip_generic *gc, u32 msk,
 	}
 	gc->irq_cnt = i - gc->irq_base;
 }
+EXPORT_SYMBOL_GPL(irq_setup_generic_chip);
 
 /**
  * irq_setup_alt_chip - Switch to alternative chip
@@ -281,6 +284,7 @@ int irq_setup_alt_chip(struct irq_data *d, unsigned int type)
 	}
 	return -EINVAL;
 }
+EXPORT_SYMBOL_GPL(irq_setup_alt_chip);
 
 /**
  * irq_remove_generic_chip - Remove a chip
@@ -311,6 +315,7 @@ void irq_remove_generic_chip(struct irq_chip_generic *gc, u32 msk,
 		irq_modify_status(i, clr, set);
 	}
 }
+EXPORT_SYMBOL_GPL(irq_remove_generic_chip);
 
 #ifdef CONFIG_PM
 static int irq_gc_suspend(void)
diff --git a/kernel/irq/irqdesc.c b/kernel/irq/irqdesc.c
index 1550e8447a1..d86e254b95e 100644
--- a/kernel/irq/irqdesc.c
+++ b/kernel/irq/irqdesc.c
@@ -9,7 +9,7 @@
  */
 #include <linux/irq.h>
 #include <linux/slab.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/kernel_stat.h>
 #include <linux/radix-tree.h>
diff --git a/kernel/irq/irqdomain.c b/kernel/irq/irqdomain.c
index b57a3776de4..200ce832c58 100644
--- a/kernel/irq/irqdomain.c
+++ b/kernel/irq/irqdomain.c
@@ -20,15 +20,15 @@ static DEFINE_MUTEX(irq_domain_mutex);
 void irq_domain_add(struct irq_domain *domain)
 {
 	struct irq_data *d;
-	int hwirq;
+	int hwirq, irq;
 
 	/*
 	 * This assumes that the irq_domain owner has already allocated
 	 * the irq_descs.  This block will be removed when support for dynamic
 	 * allocation of irq_descs is added to irq_domain.
 	 */
-	for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
-		d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
+	irq_domain_for_each_irq(domain, hwirq, irq) {
+		d = irq_get_irq_data(irq);
 		if (!d) {
 			WARN(1, "error: assigning domain to non existant irq_desc");
 			return;
@@ -54,15 +54,15 @@ void irq_domain_add(struct irq_domain *domain)
 void irq_domain_del(struct irq_domain *domain)
 {
 	struct irq_data *d;
-	int hwirq;
+	int hwirq, irq;
 
 	mutex_lock(&irq_domain_mutex);
 	list_del(&domain->list);
 	mutex_unlock(&irq_domain_mutex);
 
 	/* Clear the irq_domain assignments */
-	for (hwirq = 0; hwirq < domain->nr_irq; hwirq++) {
-		d = irq_get_irq_data(irq_domain_to_irq(domain, hwirq));
+	irq_domain_for_each_irq(domain, hwirq, irq) {
+		d = irq_get_irq_data(irq);
 		d->domain = NULL;
 	}
 }
diff --git a/kernel/irq_work.c b/kernel/irq_work.c
index 0e2cde4f380..c3c46c72046 100644
--- a/kernel/irq_work.c
+++ b/kernel/irq_work.c
@@ -6,9 +6,11 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/irq_work.h>
+#include <linux/percpu.h>
 #include <linux/hardirq.h>
+#include <asm/processor.h>
 
 /*
  * An entry can be in one of four states:
diff --git a/kernel/jump_label.c b/kernel/jump_label.c
index a8ce45097f3..bbdfe2a462a 100644
--- a/kernel/jump_label.c
+++ b/kernel/jump_label.c
@@ -104,6 +104,18 @@ static int __jump_label_text_reserved(struct jump_entry *iter_start,
 	return 0;
 }
 
+/* 
+ * Update code which is definitely not currently executing.
+ * Architectures which need heavyweight synchronization to modify
+ * running code can override this to make the non-live update case
+ * cheaper.
+ */
+void __weak arch_jump_label_transform_static(struct jump_entry *entry,
+					    enum jump_label_type type)
+{
+	arch_jump_label_transform(entry, type);	
+}
+
 static void __jump_label_update(struct jump_label_key *key,
 				struct jump_entry *entry,
 				struct jump_entry *stop, int enable)
@@ -121,14 +133,7 @@ static void __jump_label_update(struct jump_label_key *key,
 	}
 }
 
-/*
- * Not all archs need this.
- */
-void __weak arch_jump_label_text_poke_early(jump_label_t addr)
-{
-}
-
-static __init int jump_label_init(void)
+void __init jump_label_init(void)
 {
 	struct jump_entry *iter_start = __start___jump_table;
 	struct jump_entry *iter_stop = __stop___jump_table;
@@ -139,22 +144,22 @@ static __init int jump_label_init(void)
 	jump_label_sort_entries(iter_start, iter_stop);
 
 	for (iter = iter_start; iter < iter_stop; iter++) {
-		arch_jump_label_text_poke_early(iter->code);
-		if (iter->key == (jump_label_t)(unsigned long)key)
+		struct jump_label_key *iterk;
+
+		iterk = (struct jump_label_key *)(unsigned long)iter->key;
+		arch_jump_label_transform_static(iter, jump_label_enabled(iterk) ?
+						 JUMP_LABEL_ENABLE : JUMP_LABEL_DISABLE);
+		if (iterk == key)
 			continue;
 
-		key = (struct jump_label_key *)(unsigned long)iter->key;
-		atomic_set(&key->enabled, 0);
+		key = iterk;
 		key->entries = iter;
 #ifdef CONFIG_MODULES
 		key->next = NULL;
 #endif
 	}
 	jump_label_unlock();
-
-	return 0;
 }
-early_initcall(jump_label_init);
 
 #ifdef CONFIG_MODULES
 
@@ -212,7 +217,7 @@ void jump_label_apply_nops(struct module *mod)
 		return;
 
 	for (iter = iter_start; iter < iter_stop; iter++)
-		arch_jump_label_text_poke_early(iter->code);
+		arch_jump_label_transform_static(iter, JUMP_LABEL_DISABLE);
 }
 
 static int jump_label_add_module(struct module *mod)
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 296fbc84d65..dc7bc082928 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -498,7 +498,7 @@ static struct page *kimage_alloc_crash_control_pages(struct kimage *image,
 	while (hole_end <= crashk_res.end) {
 		unsigned long i;
 
-		if (hole_end > KEXEC_CONTROL_MEMORY_LIMIT)
+		if (hole_end > KEXEC_CRASH_CONTROL_MEMORY_LIMIT)
 			break;
 		if (hole_end > crashk_res.end)
 			break;
@@ -999,6 +999,7 @@ SYSCALL_DEFINE4(kexec_load, unsigned long, entry, unsigned long, nr_segments,
 			kimage_free(xchg(&kexec_crash_image, NULL));
 			result = kimage_crash_alloc(&image, entry,
 						     nr_segments, segments);
+			crash_map_reserved_pages();
 		}
 		if (result)
 			goto out;
@@ -1015,6 +1016,8 @@ SYSCALL_DEFINE4(kexec_load, unsigned long, entry, unsigned long, nr_segments,
 				goto out;
 		}
 		kimage_terminate(image);
+		if (flags & KEXEC_ON_CRASH)
+			crash_unmap_reserved_pages();
 	}
 	/* Install the new kernel, and  Uninstall the old */
 	image = xchg(dest_image, image);
@@ -1026,6 +1029,18 @@ out:
 	return result;
 }
 
+/*
+ * Add and remove page tables for crashkernel memory
+ *
+ * Provide an empty default implementation here -- architecture
+ * code may override this
+ */
+void __weak crash_map_reserved_pages(void)
+{}
+
+void __weak crash_unmap_reserved_pages(void)
+{}
+
 #ifdef CONFIG_COMPAT
 asmlinkage long compat_sys_kexec_load(unsigned long entry,
 				unsigned long nr_segments,
@@ -1134,14 +1149,16 @@ int crash_shrink_memory(unsigned long new_size)
 		goto unlock;
 	}
 
-	start = roundup(start, PAGE_SIZE);
-	end = roundup(start + new_size, PAGE_SIZE);
+	start = roundup(start, KEXEC_CRASH_MEM_ALIGN);
+	end = roundup(start + new_size, KEXEC_CRASH_MEM_ALIGN);
 
+	crash_map_reserved_pages();
 	crash_free_reserved_phys_range(end, crashk_res.end);
 
 	if ((start == end) && (crashk_res.parent != NULL))
 		release_resource(&crashk_res);
 	crashk_res.end = end - 1;
+	crash_unmap_reserved_pages();
 
 unlock:
 	mutex_unlock(&kexec_mutex);
@@ -1380,24 +1397,23 @@ int __init parse_crashkernel(char 		 *cmdline,
 }
 
 
-
-void crash_save_vmcoreinfo(void)
+static void update_vmcoreinfo_note(void)
 {
-	u32 *buf;
+	u32 *buf = vmcoreinfo_note;
 
 	if (!vmcoreinfo_size)
 		return;
-
-	vmcoreinfo_append_str("CRASHTIME=%ld", get_seconds());
-
-	buf = (u32 *)vmcoreinfo_note;
-
 	buf = append_elf_note(buf, VMCOREINFO_NOTE_NAME, 0, vmcoreinfo_data,
 			      vmcoreinfo_size);
-
 	final_note(buf);
 }
 
+void crash_save_vmcoreinfo(void)
+{
+	vmcoreinfo_append_str("CRASHTIME=%ld", get_seconds());
+	update_vmcoreinfo_note();
+}
+
 void vmcoreinfo_append_str(const char *fmt, ...)
 {
 	va_list args;
@@ -1483,6 +1499,7 @@ static int __init crash_save_vmcoreinfo_init(void)
 	VMCOREINFO_NUMBER(PG_swapcache);
 
 	arch_crash_save_vmcoreinfo();
+	update_vmcoreinfo_note();
 
 	return 0;
 }
diff --git a/kernel/kfifo.c b/kernel/kfifo.c
index 01a0700e873..c744b88c44e 100644
--- a/kernel/kfifo.c
+++ b/kernel/kfifo.c
@@ -20,7 +20,7 @@
  */
 
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/err.h>
 #include <linux/log2.h>
diff --git a/kernel/kprobes.c b/kernel/kprobes.c
index 2f193d0ba7f..e5d84644823 100644
--- a/kernel/kprobes.c
+++ b/kernel/kprobes.c
@@ -36,7 +36,7 @@
 #include <linux/init.h>
 #include <linux/slab.h>
 #include <linux/stddef.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/moduleloader.h>
 #include <linux/kallsyms.h>
 #include <linux/freezer.h>
diff --git a/kernel/ksysfs.c b/kernel/ksysfs.c
index 3b053c04dd8..4e316e1acf5 100644
--- a/kernel/ksysfs.c
+++ b/kernel/ksysfs.c
@@ -11,10 +11,11 @@
 #include <linux/kobject.h>
 #include <linux/string.h>
 #include <linux/sysfs.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/kexec.h>
 #include <linux/profile.h>
+#include <linux/stat.h>
 #include <linux/sched.h>
 #include <linux/capability.h>
 
diff --git a/kernel/kthread.c b/kernel/kthread.c
index 4ba7cccb499..b6d216a9263 100644
--- a/kernel/kthread.c
+++ b/kernel/kthread.c
@@ -12,7 +12,7 @@
 #include <linux/cpuset.h>
 #include <linux/unistd.h>
 #include <linux/file.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/mutex.h>
 #include <linux/slab.h>
 #include <linux/freezer.h>
diff --git a/kernel/latencytop.c b/kernel/latencytop.c
index 4ac8ebfcab5..a462b317f9a 100644
--- a/kernel/latencytop.c
+++ b/kernel/latencytop.c
@@ -53,7 +53,7 @@
 #include <linux/notifier.h>
 #include <linux/spinlock.h>
 #include <linux/proc_fs.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/list.h>
 #include <linux/stacktrace.h>
diff --git a/kernel/lockdep_proc.c b/kernel/lockdep_proc.c
index 71edd2f60c0..91c32a0b612 100644
--- a/kernel/lockdep_proc.c
+++ b/kernel/lockdep_proc.c
@@ -11,7 +11,7 @@
  * Code for /proc/lockdep and /proc/lockdep_stats:
  *
  */
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/proc_fs.h>
 #include <linux/seq_file.h>
 #include <linux/kallsyms.h>
diff --git a/kernel/module.c b/kernel/module.c
index 93342d992f3..178333c48d1 100644
--- a/kernel/module.c
+++ b/kernel/module.c
@@ -16,7 +16,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/moduleloader.h>
 #include <linux/ftrace_event.h>
 #include <linux/init.h>
@@ -2487,6 +2487,9 @@ static int check_modinfo(struct module *mod, struct load_info *info)
 		return -ENOEXEC;
 	}
 
+	if (!get_modinfo(info, "intree"))
+		add_taint_module(mod, TAINT_OOT_MODULE);
+
 	if (get_modinfo(info, "staging")) {
 		add_taint_module(mod, TAINT_CRAP);
 		printk(KERN_WARNING "%s: module is from the staging directory,"
@@ -2878,8 +2881,7 @@ static struct module *load_module(void __user *umod,
 	}
 
 	/* This has to be done once we're sure module name is unique. */
-	if (!mod->taints || mod->taints == (1U<<TAINT_CRAP))
-		dynamic_debug_setup(info.debug, info.num_debug);
+	dynamic_debug_setup(info.debug, info.num_debug);
 
 	/* Find duplicate symbols */
 	err = verify_export_symbols(mod);
@@ -2915,8 +2917,7 @@ static struct module *load_module(void __user *umod,
 	module_bug_cleanup(mod);
 
  ddebug:
-	if (!mod->taints || mod->taints == (1U<<TAINT_CRAP))
-		dynamic_debug_remove(info.debug);
+	dynamic_debug_remove(info.debug);
  unlock:
 	mutex_unlock(&module_mutex);
 	synchronize_sched();
@@ -3257,6 +3258,8 @@ static char *module_flags(struct module *mod, char *buf)
 		buf[bx++] = '(';
 		if (mod->taints & (1 << TAINT_PROPRIETARY_MODULE))
 			buf[bx++] = 'P';
+		else if (mod->taints & (1 << TAINT_OOT_MODULE))
+			buf[bx++] = 'O';
 		if (mod->taints & (1 << TAINT_FORCED_MODULE))
 			buf[bx++] = 'F';
 		if (mod->taints & (1 << TAINT_CRAP))
diff --git a/kernel/mutex-debug.c b/kernel/mutex-debug.c
index 73da83aff41..7e3443fe1f4 100644
--- a/kernel/mutex-debug.c
+++ b/kernel/mutex-debug.c
@@ -14,7 +14,7 @@
  */
 #include <linux/mutex.h>
 #include <linux/delay.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/poison.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
diff --git a/kernel/mutex.c b/kernel/mutex.c
index d607ed5dd44..89096dd8786 100644
--- a/kernel/mutex.c
+++ b/kernel/mutex.c
@@ -19,7 +19,7 @@
  */
 #include <linux/mutex.h>
 #include <linux/sched.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/debug_locks.h>
diff --git a/kernel/notifier.c b/kernel/notifier.c
index 8d7b435806c..2d5cc4ccff7 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -1,6 +1,6 @@
 #include <linux/kdebug.h>
 #include <linux/kprobes.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/notifier.h>
 #include <linux/rcupdate.h>
 #include <linux/vmalloc.h>
diff --git a/kernel/nsproxy.c b/kernel/nsproxy.c
index 9aeab4b98c6..b576f7f14bc 100644
--- a/kernel/nsproxy.c
+++ b/kernel/nsproxy.c
@@ -14,7 +14,7 @@
  */
 
 #include <linux/slab.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/nsproxy.h>
 #include <linux/init_task.h>
 #include <linux/mnt_namespace.h>
diff --git a/kernel/padata.c b/kernel/padata.c
index b91941df5e6..b4525993151 100644
--- a/kernel/padata.c
+++ b/kernel/padata.c
@@ -18,7 +18,7 @@
  * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/cpumask.h>
 #include <linux/err.h>
 #include <linux/cpu.h>
diff --git a/kernel/panic.c b/kernel/panic.c
index d7bb6974efb..b2659360421 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -177,6 +177,7 @@ static const struct tnt tnts[] = {
 	{ TAINT_WARN,			'W', ' ' },
 	{ TAINT_CRAP,			'C', ' ' },
 	{ TAINT_FIRMWARE_WORKAROUND,	'I', ' ' },
+	{ TAINT_OOT_MODULE,		'O', ' ' },
 };
 
 /**
@@ -194,6 +195,7 @@ static const struct tnt tnts[] = {
  *  'W' - Taint on warning.
  *  'C' - modules from drivers/staging are loaded.
  *  'I' - Working around severe firmware bug.
+ *  'O' - Out-of-tree module has been loaded.
  *
  *	The string is overwritten by the next call to print_tainted().
  */
diff --git a/kernel/params.c b/kernel/params.c
index 821788947e4..65aae11eb93 100644
--- a/kernel/params.c
+++ b/kernel/params.c
@@ -15,7 +15,7 @@
     along with this program; if not, write to the Free Software
     Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 */
-#include <linux/moduleparam.h>
+#include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/string.h>
 #include <linux/errno.h>
diff --git a/kernel/pid.c b/kernel/pid.c
index 8cafe7e72ad..fa5f72227e5 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -27,7 +27,7 @@
  */
 
 #include <linux/mm.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/slab.h>
 #include <linux/init.h>
 #include <linux/rculist.h>
diff --git a/kernel/posix-timers.c b/kernel/posix-timers.c
index 4556182527f..69185ae6b70 100644
--- a/kernel/posix-timers.c
+++ b/kernel/posix-timers.c
@@ -46,7 +46,7 @@
 #include <linux/syscalls.h>
 #include <linux/wait.h>
 #include <linux/workqueue.h>
-#include <linux/module.h>
+#include <linux/export.h>
 
 /*
  * Management arrays for POSIX timers.	 Timers are kept in slab memory
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index cedd9982306..deb5461e321 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -239,3 +239,7 @@ config PM_GENERIC_DOMAINS
 config PM_GENERIC_DOMAINS_RUNTIME
 	def_bool y
 	depends on PM_RUNTIME && PM_GENERIC_DOMAINS
+
+config CPU_PM
+	bool
+	depends on SUSPEND || CPU_IDLE
diff --git a/kernel/power/hibernate.c b/kernel/power/hibernate.c
index 1c53f7fad5f..b4511b6d3ef 100644
--- a/kernel/power/hibernate.c
+++ b/kernel/power/hibernate.c
@@ -9,6 +9,7 @@
  * This file is released under the GPLv2.
  */
 
+#include <linux/export.h>
 #include <linux/suspend.h>
 #include <linux/syscalls.h>
 #include <linux/reboot.h>
diff --git a/kernel/power/main.c b/kernel/power/main.c
index a52e88425a3..71f49fe4377 100644
--- a/kernel/power/main.c
+++ b/kernel/power/main.c
@@ -8,6 +8,7 @@
  *
  */
 
+#include <linux/export.h>
 #include <linux/kobject.h>
 #include <linux/string.h>
 #include <linux/resume-trace.h>
diff --git a/kernel/power/qos.c b/kernel/power/qos.c
index 1c1797dd1d1..995e3bd3417 100644
--- a/kernel/power/qos.c
+++ b/kernel/power/qos.c
@@ -43,6 +43,7 @@
 #include <linux/kernel.h>
 
 #include <linux/uaccess.h>
+#include <linux/export.h>
 
 /*
  * locking rule: all changes to constraints or notifiers lists
@@ -69,6 +70,7 @@ static struct pm_qos_constraints cpu_dma_constraints = {
 };
 static struct pm_qos_object cpu_dma_pm_qos = {
 	.constraints = &cpu_dma_constraints,
+	.name = "cpu_dma_latency",
 };
 
 static BLOCKING_NOTIFIER_HEAD(network_lat_notifier);
@@ -386,8 +388,7 @@ static int pm_qos_power_open(struct inode *inode, struct file *filp)
 		pm_qos_add_request(req, pm_qos_class, PM_QOS_DEFAULT_VALUE);
 		filp->private_data = req;
 
-		if (filp->private_data)
-			return 0;
+		return 0;
 	}
 	return -EPERM;
 }
diff --git a/kernel/power/suspend.c b/kernel/power/suspend.c
index fdd4263b995..4953dc054c5 100644
--- a/kernel/power/suspend.c
+++ b/kernel/power/suspend.c
@@ -12,6 +12,7 @@
 #include <linux/delay.h>
 #include <linux/errno.h>
 #include <linux/init.h>
+#include <linux/kmod.h>
 #include <linux/console.h>
 #include <linux/cpu.h>
 #include <linux/syscalls.h>
@@ -21,6 +22,7 @@
 #include <linux/list.h>
 #include <linux/mm.h>
 #include <linux/slab.h>
+#include <linux/export.h>
 #include <linux/suspend.h>
 #include <linux/syscore_ops.h>
 #include <trace/events/power.h>
diff --git a/kernel/power/user.c b/kernel/power/user.c
index 42ddbc6f0de..6d8f535c2b8 100644
--- a/kernel/power/user.c
+++ b/kernel/power/user.c
@@ -12,6 +12,7 @@
 #include <linux/suspend.h>
 #include <linux/syscalls.h>
 #include <linux/reboot.h>
+#include <linux/kmod.h>
 #include <linux/string.h>
 #include <linux/device.h>
 #include <linux/miscdevice.h>
diff --git a/kernel/printk.c b/kernel/printk.c
index b7da18391c3..1455a0d4eed 100644
--- a/kernel/printk.c
+++ b/kernel/printk.c
@@ -532,6 +532,9 @@ static int __init ignore_loglevel_setup(char *str)
 }
 
 early_param("ignore_loglevel", ignore_loglevel_setup);
+module_param_named(ignore_loglevel, ignore_loglevel, bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(ignore_loglevel, "ignore loglevel setting, to"
+	"print all kernel messages to the console.");
 
 /*
  * Write out chars from start to end - 1 inclusive
@@ -592,9 +595,6 @@ static size_t log_prefix(const char *p, unsigned int *level, char *special)
 		/* multi digit including the level and facility number */
 		char *endp = NULL;
 
-		if (p[1] < '0' && p[1] > '9')
-			return 0;
-
 		lev = (simple_strtoul(&p[1], &endp, 10) & 7);
 		if (endp == NULL || endp[0] != '>')
 			return 0;
@@ -1108,6 +1108,10 @@ static int __init console_suspend_disable(char *str)
 	return 1;
 }
 __setup("no_console_suspend", console_suspend_disable);
+module_param_named(console_suspend, console_suspend_enabled,
+		bool, S_IRUGO | S_IWUSR);
+MODULE_PARM_DESC(console_suspend, "suspend console during suspend"
+	" and hibernate operations");
 
 /**
  * suspend_console - suspend the console subsystem
diff --git a/kernel/profile.c b/kernel/profile.c
index 961b389fe52..76b8e77773e 100644
--- a/kernel/profile.c
+++ b/kernel/profile.c
@@ -13,7 +13,7 @@
  *	to resolve timer interrupt livelocks, William Irwin, Oracle, 2004
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/profile.h>
 #include <linux/bootmem.h>
 #include <linux/notifier.h>
diff --git a/kernel/ptrace.c b/kernel/ptrace.c
index a70d2a5d8c7..24d04477b25 100644
--- a/kernel/ptrace.c
+++ b/kernel/ptrace.c
@@ -8,7 +8,7 @@
  */
 
 #include <linux/capability.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/errno.h>
 #include <linux/mm.h>
diff --git a/kernel/range.c b/kernel/range.c
index 37fa9b99ad5..9b8ae2d6ed6 100644
--- a/kernel/range.c
+++ b/kernel/range.c
@@ -1,7 +1,7 @@
 /*
  * Range add and subtract
  */
-#include <linux/module.h>
+#include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/sort.h>
 
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index ca0d23b6b3e..c5b98e565ae 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -43,7 +43,7 @@
 #include <linux/notifier.h>
 #include <linux/cpu.h>
 #include <linux/mutex.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/hardirq.h>
 
 #define CREATE_TRACE_POINTS
diff --git a/kernel/rcutiny.c b/kernel/rcutiny.c
index da775c87f27..636af6d9c6e 100644
--- a/kernel/rcutiny.c
+++ b/kernel/rcutiny.c
@@ -22,13 +22,12 @@
  * For detailed explanation of Read-Copy Update mechanism see -
  *		Documentation/RCU
  */
-#include <linux/moduleparam.h>
 #include <linux/completion.h>
 #include <linux/interrupt.h>
 #include <linux/notifier.h>
 #include <linux/rcupdate.h>
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/mutex.h>
 #include <linux/sched.h>
 #include <linux/types.h>
diff --git a/kernel/rcutiny_plugin.h b/kernel/rcutiny_plugin.h
index 02aa7139861..2b0484a5dc2 100644
--- a/kernel/rcutiny_plugin.h
+++ b/kernel/rcutiny_plugin.h
@@ -23,6 +23,7 @@
  */
 
 #include <linux/kthread.h>
+#include <linux/module.h>
 #include <linux/debugfs.h>
 #include <linux/seq_file.h>
 
diff --git a/kernel/rcutree.c b/kernel/rcutree.c
index e234eb92a17..6b76d812740 100644
--- a/kernel/rcutree.c
+++ b/kernel/rcutree.c
@@ -38,7 +38,7 @@
 #include <linux/nmi.h>
 #include <linux/atomic.h>
 #include <linux/bitops.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/completion.h>
 #include <linux/moduleparam.h>
 #include <linux/percpu.h>
diff --git a/kernel/relay.c b/kernel/relay.c
index 859ea5a9605..226fade4d72 100644
--- a/kernel/relay.c
+++ b/kernel/relay.c
@@ -15,7 +15,7 @@
 #include <linux/errno.h>
 #include <linux/stddef.h>
 #include <linux/slab.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/string.h>
 #include <linux/relay.h>
 #include <linux/vmalloc.h>
diff --git a/kernel/resource.c b/kernel/resource.c
index c8dc249da5c..7640b3a947d 100644
--- a/kernel/resource.c
+++ b/kernel/resource.c
@@ -7,7 +7,7 @@
  * Arbitrary resource management.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/errno.h>
 #include <linux/ioport.h>
 #include <linux/init.h>
diff --git a/kernel/rtmutex-debug.c b/kernel/rtmutex-debug.c
index a2e7e7210f3..8eafd1bd273 100644
--- a/kernel/rtmutex-debug.c
+++ b/kernel/rtmutex-debug.c
@@ -18,7 +18,7 @@
  */
 #include <linux/sched.h>
 #include <linux/delay.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/spinlock.h>
 #include <linux/kallsyms.h>
 #include <linux/syscalls.h>
diff --git a/kernel/rtmutex-tester.c b/kernel/rtmutex-tester.c
index 5c9ccd38096..3d9f31cd79e 100644
--- a/kernel/rtmutex-tester.c
+++ b/kernel/rtmutex-tester.c
@@ -7,7 +7,7 @@
  *
  */
 #include <linux/kthread.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/spinlock.h>
 #include <linux/sysdev.h>
diff --git a/kernel/rtmutex.c b/kernel/rtmutex.c
index 5e8d9cce747..f9d8482dd48 100644
--- a/kernel/rtmutex.c
+++ b/kernel/rtmutex.c
@@ -11,7 +11,7 @@
  *  See Documentation/rt-mutex-design.txt for details.
  */
 #include <linux/spinlock.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/timer.h>
 
diff --git a/kernel/rwsem.c b/kernel/rwsem.c
index 9f48f3d82e9..b152f74f02d 100644
--- a/kernel/rwsem.c
+++ b/kernel/rwsem.c
@@ -7,7 +7,7 @@
 #include <linux/types.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/rwsem.h>
 
 #include <asm/system.h>
diff --git a/kernel/sched.c b/kernel/sched.c
index d87c6e5d4e8..0e9344a71be 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -7087,8 +7087,6 @@ static int __init isolated_cpu_setup(char *str)
 
 __setup("isolcpus=", isolated_cpu_setup);
 
-#define SD_NODES_PER_DOMAIN 16
-
 #ifdef CONFIG_NUMA
 
 /**
diff --git a/kernel/sched_clock.c b/kernel/sched_clock.c
index 9d8af0b3fb6..c685e31492d 100644
--- a/kernel/sched_clock.c
+++ b/kernel/sched_clock.c
@@ -62,7 +62,7 @@
  */
 #include <linux/spinlock.h>
 #include <linux/hardirq.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/percpu.h>
 #include <linux/ktime.h>
 #include <linux/sched.h>
diff --git a/kernel/semaphore.c b/kernel/semaphore.c
index d831841e55a..60636a4e25c 100644
--- a/kernel/semaphore.c
+++ b/kernel/semaphore.c
@@ -27,7 +27,7 @@
 
 #include <linux/compiler.h>
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/semaphore.h>
 #include <linux/spinlock.h>
diff --git a/kernel/signal.c b/kernel/signal.c
index d252be2d3de..b3f78d09a10 100644
--- a/kernel/signal.c
+++ b/kernel/signal.c
@@ -11,7 +11,7 @@
  */
 
 #include <linux/slab.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/init.h>
 #include <linux/sched.h>
 #include <linux/fs.h>
diff --git a/kernel/smp.c b/kernel/smp.c
index fb67dfa8394..db197d60489 100644
--- a/kernel/smp.c
+++ b/kernel/smp.c
@@ -6,7 +6,7 @@
 #include <linux/rcupdate.h>
 #include <linux/rculist.h>
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/percpu.h>
 #include <linux/init.h>
 #include <linux/gfp.h>
diff --git a/kernel/softirq.c b/kernel/softirq.c
index fca82c32042..2c71d91efff 100644
--- a/kernel/softirq.c
+++ b/kernel/softirq.c
@@ -10,7 +10,7 @@
  *	Remote softirq infrastructure is by Jens Axboe.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/kernel_stat.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
diff --git a/kernel/spinlock.c b/kernel/spinlock.c
index be6517fb9c1..84c7d96918b 100644
--- a/kernel/spinlock.c
+++ b/kernel/spinlock.c
@@ -19,7 +19,7 @@
 #include <linux/spinlock.h>
 #include <linux/interrupt.h>
 #include <linux/debug_locks.h>
-#include <linux/module.h>
+#include <linux/export.h>
 
 /*
  * If lockdep is enabled then we use the non-preemption spin-ops
diff --git a/kernel/srcu.c b/kernel/srcu.c
index 73ce23feaea..0febf61e1aa 100644
--- a/kernel/srcu.c
+++ b/kernel/srcu.c
@@ -24,7 +24,7 @@
  *
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/mutex.h>
 #include <linux/percpu.h>
 #include <linux/preempt.h>
diff --git a/kernel/stacktrace.c b/kernel/stacktrace.c
index d20c6983aad..00fe55cc5a8 100644
--- a/kernel/stacktrace.c
+++ b/kernel/stacktrace.c
@@ -7,7 +7,7 @@
  */
 #include <linux/sched.h>
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/kallsyms.h>
 #include <linux/stacktrace.h>
 
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index ba5070ce576..2f194e96571 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -12,7 +12,7 @@
 #include <linux/cpu.h>
 #include <linux/init.h>
 #include <linux/kthread.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/percpu.h>
 #include <linux/sched.h>
 #include <linux/stop_machine.h>
@@ -41,6 +41,7 @@ struct cpu_stopper {
 };
 
 static DEFINE_PER_CPU(struct cpu_stopper, cpu_stopper);
+static bool stop_machine_initialized = false;
 
 static void cpu_stop_init_done(struct cpu_stop_done *done, unsigned int nr_todo)
 {
@@ -386,6 +387,8 @@ static int __init cpu_stop_init(void)
 	cpu_stop_cpu_callback(&cpu_stop_cpu_notifier, CPU_ONLINE, bcpu);
 	register_cpu_notifier(&cpu_stop_cpu_notifier);
 
+	stop_machine_initialized = true;
+
 	return 0;
 }
 early_initcall(cpu_stop_init);
@@ -485,6 +488,25 @@ int __stop_machine(int (*fn)(void *), void *data, const struct cpumask *cpus)
 					    .num_threads = num_online_cpus(),
 					    .active_cpus = cpus };
 
+	if (!stop_machine_initialized) {
+		/*
+		 * Handle the case where stop_machine() is called
+		 * early in boot before stop_machine() has been
+		 * initialized.
+		 */
+		unsigned long flags;
+		int ret;
+
+		WARN_ON_ONCE(smdata.num_threads != 1);
+
+		local_irq_save(flags);
+		hard_irq_disable();
+		ret = (*fn)(data);
+		local_irq_restore(flags);
+
+		return ret;
+	}
+
 	/* Set the initial state and stop all online cpus. */
 	set_state(&smdata, STOPMACHINE_PREPARE);
 	return stop_cpus(cpu_online_mask, stop_machine_cpu_stop, &smdata);
diff --git a/kernel/sys.c b/kernel/sys.c
index 58459509b14..481611fbd07 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -4,7 +4,7 @@
  *  Copyright (C) 1991, 1992  Linus Torvalds
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/mm.h>
 #include <linux/utsname.h>
 #include <linux/mman.h>
@@ -12,6 +12,7 @@
 #include <linux/prctl.h>
 #include <linux/highuid.h>
 #include <linux/fs.h>
+#include <linux/kmod.h>
 #include <linux/perf_event.h>
 #include <linux/resource.h>
 #include <linux/kernel.h>
@@ -1286,6 +1287,7 @@ SYSCALL_DEFINE2(sethostname, char __user *, name, int, len)
 		memset(u->nodename + len, 0, sizeof(u->nodename) - len);
 		errno = 0;
 	}
+	uts_proc_notify(UTS_PROC_HOSTNAME);
 	up_write(&uts_sem);
 	return errno;
 }
@@ -1336,6 +1338,7 @@ SYSCALL_DEFINE2(setdomainname, char __user *, name, int, len)
 		memset(u->domainname + len, 0, sizeof(u->domainname) - len);
 		errno = 0;
 	}
+	uts_proc_notify(UTS_PROC_DOMAINNAME);
 	up_write(&uts_sem);
 	return errno;
 }
diff --git a/kernel/sys_ni.c b/kernel/sys_ni.c
index a9a5de07c4f..47bfa16430d 100644
--- a/kernel/sys_ni.c
+++ b/kernel/sys_ni.c
@@ -145,6 +145,10 @@ cond_syscall(sys_io_submit);
 cond_syscall(sys_io_cancel);
 cond_syscall(sys_io_getevents);
 cond_syscall(sys_syslog);
+cond_syscall(sys_process_vm_readv);
+cond_syscall(sys_process_vm_writev);
+cond_syscall(compat_sys_process_vm_readv);
+cond_syscall(compat_sys_process_vm_writev);
 
 /* arch-specific weak syscall entries */
 cond_syscall(sys_pciconfig_read);
diff --git a/kernel/sysctl.c b/kernel/sysctl.c
index 2d2ecdcc8cd..ae271964385 100644
--- a/kernel/sysctl.c
+++ b/kernel/sysctl.c
@@ -57,6 +57,7 @@
 #include <linux/pipe_fs_i.h>
 #include <linux/oom.h>
 #include <linux/kmod.h>
+#include <linux/capability.h>
 
 #include <asm/uaccess.h>
 #include <asm/processor.h>
@@ -134,6 +135,7 @@ static int minolduid;
 static int min_percpu_pagelist_fract = 8;
 
 static int ngroups_max = NGROUPS_MAX;
+static const int cap_last_cap = CAP_LAST_CAP;
 
 #ifdef CONFIG_INOTIFY_USER
 #include <linux/inotify.h>
@@ -151,14 +153,6 @@ extern int pwrsw_enabled;
 extern int unaligned_enabled;
 #endif
 
-#ifdef CONFIG_S390
-#ifdef CONFIG_MATHEMU
-extern int sysctl_ieee_emulation_warnings;
-#endif
-extern int sysctl_userprocess_debug;
-extern int spin_retry;
-#endif
-
 #ifdef CONFIG_IA64
 extern int no_unaligned_warning;
 extern int unaligned_dump_stack;
@@ -740,6 +734,13 @@ static struct ctl_table kern_table[] = {
 		.mode		= 0444,
 		.proc_handler	= proc_dointvec,
 	},
+	{
+		.procname	= "cap_last_cap",
+		.data		= (void *)&cap_last_cap,
+		.maxlen		= sizeof(int),
+		.mode		= 0444,
+		.proc_handler	= proc_dointvec,
+	},
 #if defined(CONFIG_LOCKUP_DETECTOR)
 	{
 		.procname       = "watchdog",
diff --git a/kernel/time.c b/kernel/time.c
index d7760621452..73e416db0a1 100644
--- a/kernel/time.c
+++ b/kernel/time.c
@@ -27,7 +27,7 @@
  *	with nanosecond accuracy
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/timex.h>
 #include <linux/capability.h>
 #include <linux/clocksource.h>
diff --git a/kernel/time/posix-clock.c b/kernel/time/posix-clock.c
index c340ca658f3..ce033c7aa2e 100644
--- a/kernel/time/posix-clock.c
+++ b/kernel/time/posix-clock.c
@@ -18,6 +18,7 @@
  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  */
 #include <linux/device.h>
+#include <linux/export.h>
 #include <linux/file.h>
 #include <linux/posix-clock.h>
 #include <linux/slab.h>
diff --git a/kernel/timer.c b/kernel/timer.c
index 8cff36119e4..dbaa62422b1 100644
--- a/kernel/timer.c
+++ b/kernel/timer.c
@@ -20,7 +20,7 @@
  */
 
 #include <linux/kernel_stat.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/interrupt.h>
 #include <linux/percpu.h>
 #include <linux/init.h>
diff --git a/kernel/trace/blktrace.c b/kernel/trace/blktrace.c
index 7c910a5593a..16fc34a0806 100644
--- a/kernel/trace/blktrace.c
+++ b/kernel/trace/blktrace.c
@@ -23,6 +23,7 @@
 #include <linux/mutex.h>
 #include <linux/slab.h>
 #include <linux/debugfs.h>
+#include <linux/export.h>
 #include <linux/time.h>
 #include <linux/uaccess.h>
 
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c
index 077d8538790..900b409543d 100644
--- a/kernel/trace/ftrace.c
+++ b/kernel/trace/ftrace.c
@@ -22,6 +22,7 @@
 #include <linux/hardirq.h>
 #include <linux/kthread.h>
 #include <linux/uaccess.h>
+#include <linux/module.h>
 #include <linux/ftrace.h>
 #include <linux/sysctl.h>
 #include <linux/slab.h>
diff --git a/kernel/trace/trace_syscalls.c b/kernel/trace/trace_syscalls.c
index ee7b5a0bb9f..cb654542c1a 100644
--- a/kernel/trace/trace_syscalls.c
+++ b/kernel/trace/trace_syscalls.c
@@ -2,6 +2,7 @@
 #include <trace/events/syscalls.h>
 #include <linux/slab.h>
 #include <linux/kernel.h>
+#include <linux/module.h>	/* for MODULE_NAME_LEN via KSYM_SYMBOL_LEN */
 #include <linux/ftrace.h>
 #include <linux/perf_event.h>
 #include <asm/syscall.h>
diff --git a/kernel/up.c b/kernel/up.c
index 1ff27a28bb7..c54c75e9faf 100644
--- a/kernel/up.c
+++ b/kernel/up.c
@@ -4,7 +4,7 @@
 
 #include <linux/interrupt.h>
 #include <linux/kernel.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/smp.h>
 
 int smp_call_function_single(int cpu, void (*func) (void *info), void *info,
diff --git a/kernel/user-return-notifier.c b/kernel/user-return-notifier.c
index 92cb706c7fc..1744bb80f1f 100644
--- a/kernel/user-return-notifier.c
+++ b/kernel/user-return-notifier.c
@@ -2,7 +2,7 @@
 #include <linux/user-return-notifier.h>
 #include <linux/percpu.h>
 #include <linux/sched.h>
-#include <linux/module.h>
+#include <linux/export.h>
 
 static DEFINE_PER_CPU(struct hlist_head, return_notifier_list);
 
diff --git a/kernel/user.c b/kernel/user.c
index 9e03e9c1df8..71dd2363ab0 100644
--- a/kernel/user.c
+++ b/kernel/user.c
@@ -14,7 +14,7 @@
 #include <linux/bitops.h>
 #include <linux/key.h>
 #include <linux/interrupt.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/user_namespace.h>
 
 /*
diff --git a/kernel/user_namespace.c b/kernel/user_namespace.c
index 9da289c34f2..3b906e98b1d 100644
--- a/kernel/user_namespace.c
+++ b/kernel/user_namespace.c
@@ -5,7 +5,7 @@
  *  License.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/nsproxy.h>
 #include <linux/slab.h>
 #include <linux/user_namespace.h>
diff --git a/kernel/utsname.c b/kernel/utsname.c
index bff131b9510..405caf91aad 100644
--- a/kernel/utsname.c
+++ b/kernel/utsname.c
@@ -9,7 +9,7 @@
  *  License.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/uts.h>
 #include <linux/utsname.h>
 #include <linux/err.h>
diff --git a/kernel/utsname_sysctl.c b/kernel/utsname_sysctl.c
index a2cd77e70d4..63da38c2d82 100644
--- a/kernel/utsname_sysctl.c
+++ b/kernel/utsname_sysctl.c
@@ -9,10 +9,11 @@
  *  License.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/uts.h>
 #include <linux/utsname.h>
 #include <linux/sysctl.h>
+#include <linux/wait.h>
 
 static void *get_uts(ctl_table *table, int write)
 {
@@ -51,12 +52,19 @@ static int proc_do_uts_string(ctl_table *table, int write,
 	uts_table.data = get_uts(table, write);
 	r = proc_dostring(&uts_table,write,buffer,lenp, ppos);
 	put_uts(table, write, uts_table.data);
+
+	if (write)
+		proc_sys_poll_notify(table->poll);
+
 	return r;
 }
 #else
 #define proc_do_uts_string NULL
 #endif
 
+static DEFINE_CTL_TABLE_POLL(hostname_poll);
+static DEFINE_CTL_TABLE_POLL(domainname_poll);
+
 static struct ctl_table uts_kern_table[] = {
 	{
 		.procname	= "ostype",
@@ -85,6 +93,7 @@ static struct ctl_table uts_kern_table[] = {
 		.maxlen		= sizeof(init_uts_ns.name.nodename),
 		.mode		= 0644,
 		.proc_handler	= proc_do_uts_string,
+		.poll		= &hostname_poll,
 	},
 	{
 		.procname	= "domainname",
@@ -92,6 +101,7 @@ static struct ctl_table uts_kern_table[] = {
 		.maxlen		= sizeof(init_uts_ns.name.domainname),
 		.mode		= 0644,
 		.proc_handler	= proc_do_uts_string,
+		.poll		= &domainname_poll,
 	},
 	{}
 };
@@ -105,6 +115,19 @@ static struct ctl_table uts_root_table[] = {
 	{}
 };
 
+#ifdef CONFIG_PROC_SYSCTL
+/*
+ * Notify userspace about a change in a certain entry of uts_kern_table,
+ * identified by the parameter proc.
+ */
+void uts_proc_notify(enum uts_proc proc)
+{
+	struct ctl_table *table = &uts_kern_table[proc];
+
+	proc_sys_poll_notify(table->poll);
+}
+#endif
+
 static int __init utsname_sysctl_init(void)
 {
 	register_sysctl_table(uts_root_table);
diff --git a/kernel/wait.c b/kernel/wait.c
index f45ea8d2a1c..26fa7797f90 100644
--- a/kernel/wait.c
+++ b/kernel/wait.c
@@ -4,7 +4,7 @@
  * (C) 2004 William Irwin, Oracle
  */
 #include <linux/init.h>
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/sched.h>
 #include <linux/mm.h>
 #include <linux/wait.h>
diff --git a/kernel/watchdog.c b/kernel/watchdog.c
index d680381b0e9..1d7bca7f4f5 100644
--- a/kernel/watchdog.c
+++ b/kernel/watchdog.c
@@ -481,6 +481,8 @@ static void watchdog_disable(int cpu)
 	}
 }
 
+/* sysctl functions */
+#ifdef CONFIG_SYSCTL
 static void watchdog_enable_all_cpus(void)
 {
 	int cpu;
@@ -510,8 +512,6 @@ static void watchdog_disable_all_cpus(void)
 }
 
 
-/* sysctl functions */
-#ifdef CONFIG_SYSCTL
 /*
  * proc handler for /proc/sys/kernel/nmi_watchdog,watchdog_thresh
  */
diff --git a/kernel/workqueue.c b/kernel/workqueue.c
index 1783aabc612..42fa9ad0a81 100644
--- a/kernel/workqueue.c
+++ b/kernel/workqueue.c
@@ -23,7 +23,7 @@
  * Please read Documentation/workqueue.txt for details.
  */
 
-#include <linux/module.h>
+#include <linux/export.h>
 #include <linux/kernel.h>
 #include <linux/sched.h>
 #include <linux/init.h>