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authorArnd Bergmann <arnd@arndb.de>2011-07-28 15:25:46 +0000
committerArnd Bergmann <arnd@arndb.de>2011-07-28 15:25:46 +0000
commit6124a4e430b64d1577438c8648c59e996d02e73e (patch)
tree49cfafad785d1c9e403a5b0d755298b9af2c260f /kernel
parent8e267f3da5f117d2f1316cf6ddf740f93f1c73aa (diff)
parent580975d7f48d7d047e22bb0f42adf7557801d8d4 (diff)
Merge branch 'imx/dt' into next/dt
Diffstat (limited to 'kernel')
-rw-r--r--kernel/Makefile5
-rw-r--r--kernel/audit.c2
-rw-r--r--kernel/auditsc.c2
-rw-r--r--kernel/cgroup.c10
-rw-r--r--kernel/configs.c4
-rw-r--r--kernel/cpuset.c10
-rw-r--r--kernel/debug/debug_core.c2
-rw-r--r--kernel/exit.c3
-rw-r--r--kernel/fork.c88
-rw-r--r--kernel/futex.c4
-rw-r--r--kernel/gcov/Kconfig2
-rw-r--r--kernel/irq/devres.c2
-rw-r--r--kernel/kexec.c2
-rw-r--r--kernel/notifier.c31
-rw-r--r--kernel/panic.c2
-rw-r--r--kernel/pid.c1
-rw-r--r--kernel/power/Kconfig4
-rw-r--r--kernel/rcupdate.c2
-rw-r--r--kernel/rcutorture.c4
-rw-r--r--kernel/rcutree_trace.c2
-rw-r--r--kernel/rwsem.c2
-rw-r--r--kernel/sched.c1
-rw-r--r--kernel/stop_machine.c2
-rw-r--r--kernel/sys.c32
-rw-r--r--kernel/taskstats.c2
-rw-r--r--kernel/trace/trace.h2
-rw-r--r--kernel/trace/trace_mmiotrace.c2
27 files changed, 120 insertions, 105 deletions
diff --git a/kernel/Makefile b/kernel/Makefile
index 2d64cfcc8b4..d06467fc8f7 100644
--- a/kernel/Makefile
+++ b/kernel/Makefile
@@ -125,11 +125,10 @@ targets += config_data.gz
$(obj)/config_data.gz: $(KCONFIG_CONFIG) FORCE
$(call if_changed,gzip)
-quiet_cmd_ikconfiggz = IKCFG $@
- cmd_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;") > $@
+ filechk_ikconfiggz = (echo "static const char kernel_config_data[] __used = MAGIC_START"; cat $< | scripts/bin2c; echo "MAGIC_END;")
targets += config_data.h
$(obj)/config_data.h: $(obj)/config_data.gz FORCE
- $(call if_changed,ikconfiggz)
+ $(call filechk,ikconfiggz)
$(obj)/time.o: $(obj)/timeconst.h
diff --git a/kernel/audit.c b/kernel/audit.c
index 52501b5d490..0a1355ca3d7 100644
--- a/kernel/audit.c
+++ b/kernel/audit.c
@@ -43,7 +43,7 @@
#include <linux/init.h>
#include <asm/types.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/mm.h>
#include <linux/module.h>
#include <linux/slab.h>
diff --git a/kernel/auditsc.c b/kernel/auditsc.c
index 00d79df03e7..ce4b054acee 100644
--- a/kernel/auditsc.c
+++ b/kernel/auditsc.c
@@ -44,7 +44,7 @@
#include <linux/init.h>
#include <asm/types.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/fs.h>
#include <linux/namei.h>
#include <linux/mm.h>
diff --git a/kernel/cgroup.c b/kernel/cgroup.c
index e1c72c0f512..984458035d4 100644
--- a/kernel/cgroup.c
+++ b/kernel/cgroup.c
@@ -59,7 +59,7 @@
#include <linux/poll.h>
#include <linux/flex_array.h> /* used in cgroup_attach_proc */
-#include <asm/atomic.h>
+#include <linux/atomic.h>
static DEFINE_MUTEX(cgroup_mutex);
@@ -1697,7 +1697,6 @@ int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen)
{
char *start;
struct dentry *dentry = rcu_dereference_check(cgrp->dentry,
- rcu_read_lock_held() ||
cgroup_lock_is_held());
if (!dentry || cgrp == dummytop) {
@@ -1723,7 +1722,6 @@ int cgroup_path(const struct cgroup *cgrp, char *buf, int buflen)
break;
dentry = rcu_dereference_check(cgrp->dentry,
- rcu_read_lock_held() ||
cgroup_lock_is_held());
if (!cgrp->parent)
continue;
@@ -4814,8 +4812,7 @@ unsigned short css_id(struct cgroup_subsys_state *css)
* on this or this is under rcu_read_lock(). Once css->id is allocated,
* it's unchanged until freed.
*/
- cssid = rcu_dereference_check(css->id,
- rcu_read_lock_held() || atomic_read(&css->refcnt));
+ cssid = rcu_dereference_check(css->id, atomic_read(&css->refcnt));
if (cssid)
return cssid->id;
@@ -4827,8 +4824,7 @@ unsigned short css_depth(struct cgroup_subsys_state *css)
{
struct css_id *cssid;
- cssid = rcu_dereference_check(css->id,
- rcu_read_lock_held() || atomic_read(&css->refcnt));
+ cssid = rcu_dereference_check(css->id, atomic_read(&css->refcnt));
if (cssid)
return cssid->depth;
diff --git a/kernel/configs.c b/kernel/configs.c
index b4066b44a99..42e8fa075ee 100644
--- a/kernel/configs.c
+++ b/kernel/configs.c
@@ -92,8 +92,8 @@ static void __exit ikconfig_cleanup(void)
module_init(ikconfig_init);
module_exit(ikconfig_cleanup);
+#endif /* CONFIG_IKCONFIG_PROC */
+
MODULE_LICENSE("GPL");
MODULE_AUTHOR("Randy Dunlap");
MODULE_DESCRIPTION("Echo the kernel .config file used to build the kernel");
-
-#endif /* CONFIG_IKCONFIG_PROC */
diff --git a/kernel/cpuset.c b/kernel/cpuset.c
index 9c9b7545c81..10131fdaff7 100644
--- a/kernel/cpuset.c
+++ b/kernel/cpuset.c
@@ -55,7 +55,7 @@
#include <linux/sort.h>
#include <asm/uaccess.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/mutex.h>
#include <linux/workqueue.h>
#include <linux/cgroup.h>
@@ -2460,11 +2460,19 @@ static int cpuset_spread_node(int *rotor)
int cpuset_mem_spread_node(void)
{
+ if (current->cpuset_mem_spread_rotor == NUMA_NO_NODE)
+ current->cpuset_mem_spread_rotor =
+ node_random(&current->mems_allowed);
+
return cpuset_spread_node(&current->cpuset_mem_spread_rotor);
}
int cpuset_slab_spread_node(void)
{
+ if (current->cpuset_slab_spread_rotor == NUMA_NO_NODE)
+ current->cpuset_slab_spread_rotor =
+ node_random(&current->mems_allowed);
+
return cpuset_spread_node(&current->cpuset_slab_spread_rotor);
}
diff --git a/kernel/debug/debug_core.c b/kernel/debug/debug_core.c
index bad6786dee8..0d7c08784ef 100644
--- a/kernel/debug/debug_core.c
+++ b/kernel/debug/debug_core.c
@@ -51,7 +51,7 @@
#include <asm/cacheflush.h>
#include <asm/byteorder.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/system.h>
#include "debug_core.h"
diff --git a/kernel/exit.c b/kernel/exit.c
index 73bb192a3d3..2913b3509d4 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -85,7 +85,6 @@ static void __exit_signal(struct task_struct *tsk)
struct tty_struct *uninitialized_var(tty);
sighand = rcu_dereference_check(tsk->sighand,
- rcu_read_lock_held() ||
lockdep_tasklist_lock_is_held());
spin_lock(&sighand->siglock);
@@ -898,7 +897,6 @@ NORET_TYPE void do_exit(long code)
profile_task_exit(tsk);
- WARN_ON(atomic_read(&tsk->fs_excl));
WARN_ON(blk_needs_flush_plug(tsk));
if (unlikely(in_interrupt()))
@@ -982,6 +980,7 @@ NORET_TYPE void do_exit(long code)
trace_sched_process_exit(tsk);
exit_sem(tsk);
+ exit_shm(tsk);
exit_files(tsk);
exit_fs(tsk);
check_stack_usage();
diff --git a/kernel/fork.c b/kernel/fork.c
index aeae5b11b62..e7ceaca8960 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -80,7 +80,7 @@
* Protected counters by write_lock_irq(&tasklist_lock)
*/
unsigned long total_forks; /* Handle normal Linux uptimes. */
-int nr_threads; /* The idle threads do not count.. */
+int nr_threads; /* The idle threads do not count.. */
int max_threads; /* tunable limit on nr_threads */
@@ -232,7 +232,7 @@ void __init fork_init(unsigned long mempages)
/*
* we need to allow at least 20 threads to boot a system
*/
- if(max_threads < 20)
+ if (max_threads < 20)
max_threads = 20;
init_task.signal->rlim[RLIMIT_NPROC].rlim_cur = max_threads/2;
@@ -268,7 +268,7 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
return NULL;
}
- err = arch_dup_task_struct(tsk, orig);
+ err = arch_dup_task_struct(tsk, orig);
if (err)
goto out;
@@ -288,9 +288,11 @@ static struct task_struct *dup_task_struct(struct task_struct *orig)
tsk->stack_canary = get_random_int();
#endif
- /* One for us, one for whoever does the "release_task()" (usually parent) */
- atomic_set(&tsk->usage,2);
- atomic_set(&tsk->fs_excl, 0);
+ /*
+ * One for us, one for whoever does the "release_task()" (usually
+ * parent)
+ */
+ atomic_set(&tsk->usage, 2);
#ifdef CONFIG_BLK_DEV_IO_TRACE
tsk->btrace_seq = 0;
#endif
@@ -438,7 +440,7 @@ fail_nomem:
goto out;
}
-static inline int mm_alloc_pgd(struct mm_struct * mm)
+static inline int mm_alloc_pgd(struct mm_struct *mm)
{
mm->pgd = pgd_alloc(mm);
if (unlikely(!mm->pgd))
@@ -446,7 +448,7 @@ static inline int mm_alloc_pgd(struct mm_struct * mm)
return 0;
}
-static inline void mm_free_pgd(struct mm_struct * mm)
+static inline void mm_free_pgd(struct mm_struct *mm)
{
pgd_free(mm, mm->pgd);
}
@@ -483,7 +485,7 @@ static void mm_init_aio(struct mm_struct *mm)
#endif
}
-static struct mm_struct * mm_init(struct mm_struct * mm, struct task_struct *p)
+static struct mm_struct *mm_init(struct mm_struct *mm, struct task_struct *p)
{
atomic_set(&mm->mm_users, 1);
atomic_set(&mm->mm_count, 1);
@@ -514,9 +516,9 @@ static struct mm_struct * mm_init(struct mm_struct * mm, struct task_struct *p)
/*
* Allocate and initialize an mm_struct.
*/
-struct mm_struct * mm_alloc(void)
+struct mm_struct *mm_alloc(void)
{
- struct mm_struct * mm;
+ struct mm_struct *mm;
mm = allocate_mm();
if (!mm)
@@ -584,7 +586,7 @@ void added_exe_file_vma(struct mm_struct *mm)
void removed_exe_file_vma(struct mm_struct *mm)
{
mm->num_exe_file_vmas--;
- if ((mm->num_exe_file_vmas == 0) && mm->exe_file){
+ if ((mm->num_exe_file_vmas == 0) && mm->exe_file) {
fput(mm->exe_file);
mm->exe_file = NULL;
}
@@ -776,9 +778,9 @@ fail_nocontext:
return NULL;
}
-static int copy_mm(unsigned long clone_flags, struct task_struct * tsk)
+static int copy_mm(unsigned long clone_flags, struct task_struct *tsk)
{
- struct mm_struct * mm, *oldmm;
+ struct mm_struct *mm, *oldmm;
int retval;
tsk->min_flt = tsk->maj_flt = 0;
@@ -845,7 +847,7 @@ static int copy_fs(unsigned long clone_flags, struct task_struct *tsk)
return 0;
}
-static int copy_files(unsigned long clone_flags, struct task_struct * tsk)
+static int copy_files(unsigned long clone_flags, struct task_struct *tsk)
{
struct files_struct *oldf, *newf;
int error = 0;
@@ -1167,13 +1169,17 @@ static struct task_struct *copy_process(unsigned long clone_flags,
cgroup_fork(p);
#ifdef CONFIG_NUMA
p->mempolicy = mpol_dup(p->mempolicy);
- if (IS_ERR(p->mempolicy)) {
- retval = PTR_ERR(p->mempolicy);
- p->mempolicy = NULL;
- goto bad_fork_cleanup_cgroup;
- }
+ if (IS_ERR(p->mempolicy)) {
+ retval = PTR_ERR(p->mempolicy);
+ p->mempolicy = NULL;
+ goto bad_fork_cleanup_cgroup;
+ }
mpol_fix_fork_child_flag(p);
#endif
+#ifdef CONFIG_CPUSETS
+ p->cpuset_mem_spread_rotor = NUMA_NO_NODE;
+ p->cpuset_slab_spread_rotor = NUMA_NO_NODE;
+#endif
#ifdef CONFIG_TRACE_IRQFLAGS
p->irq_events = 0;
#ifdef __ARCH_WANT_INTERRUPTS_ON_CTXSW
@@ -1213,25 +1219,33 @@ static struct task_struct *copy_process(unsigned long clone_flags,
retval = perf_event_init_task(p);
if (retval)
goto bad_fork_cleanup_policy;
-
- if ((retval = audit_alloc(p)))
+ retval = audit_alloc(p);
+ if (retval)
goto bad_fork_cleanup_policy;
/* copy all the process information */
- if ((retval = copy_semundo(clone_flags, p)))
+ retval = copy_semundo(clone_flags, p);
+ if (retval)
goto bad_fork_cleanup_audit;
- if ((retval = copy_files(clone_flags, p)))
+ retval = copy_files(clone_flags, p);
+ if (retval)
goto bad_fork_cleanup_semundo;
- if ((retval = copy_fs(clone_flags, p)))
+ retval = copy_fs(clone_flags, p);
+ if (retval)
goto bad_fork_cleanup_files;
- if ((retval = copy_sighand(clone_flags, p)))
+ retval = copy_sighand(clone_flags, p);
+ if (retval)
goto bad_fork_cleanup_fs;
- if ((retval = copy_signal(clone_flags, p)))
+ retval = copy_signal(clone_flags, p);
+ if (retval)
goto bad_fork_cleanup_sighand;
- if ((retval = copy_mm(clone_flags, p)))
+ retval = copy_mm(clone_flags, p);
+ if (retval)
goto bad_fork_cleanup_signal;
- if ((retval = copy_namespaces(clone_flags, p)))
+ retval = copy_namespaces(clone_flags, p);
+ if (retval)
goto bad_fork_cleanup_mm;
- if ((retval = copy_io(clone_flags, p)))
+ retval = copy_io(clone_flags, p);
+ if (retval)
goto bad_fork_cleanup_namespaces;
retval = copy_thread(clone_flags, stack_start, stack_size, p, regs);
if (retval)
@@ -1253,7 +1267,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
/*
* Clear TID on mm_release()?
*/
- p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr: NULL;
+ p->clear_child_tid = (clone_flags & CLONE_CHILD_CLEARTID) ? child_tidptr : NULL;
#ifdef CONFIG_BLOCK
p->plug = NULL;
#endif
@@ -1321,7 +1335,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
* it's process group.
* A fatal signal pending means that current will exit, so the new
* thread can't slip out of an OOM kill (or normal SIGKILL).
- */
+ */
recalc_sigpending();
if (signal_pending(current)) {
spin_unlock(&current->sighand->siglock);
@@ -1682,12 +1696,14 @@ SYSCALL_DEFINE1(unshare, unsigned long, unshare_flags)
*/
if (unshare_flags & (CLONE_NEWIPC|CLONE_SYSVSEM))
do_sysvsem = 1;
- if ((err = unshare_fs(unshare_flags, &new_fs)))
+ err = unshare_fs(unshare_flags, &new_fs);
+ if (err)
goto bad_unshare_out;
- if ((err = unshare_fd(unshare_flags, &new_fd)))
+ err = unshare_fd(unshare_flags, &new_fd);
+ if (err)
goto bad_unshare_cleanup_fs;
- if ((err = unshare_nsproxy_namespaces(unshare_flags, &new_nsproxy,
- new_fs)))
+ err = unshare_nsproxy_namespaces(unshare_flags, &new_nsproxy, new_fs);
+ if (err)
goto bad_unshare_cleanup_fd;
if (new_fs || new_fd || do_sysvsem || new_nsproxy) {
diff --git a/kernel/futex.c b/kernel/futex.c
index 3fbc76cbb9a..0a308970c24 100644
--- a/kernel/futex.c
+++ b/kernel/futex.c
@@ -355,8 +355,8 @@ static int fault_in_user_writeable(u32 __user *uaddr)
int ret;
down_read(&mm->mmap_sem);
- ret = get_user_pages(current, mm, (unsigned long)uaddr,
- 1, 1, 0, NULL, NULL);
+ ret = fixup_user_fault(current, mm, (unsigned long)uaddr,
+ FAULT_FLAG_WRITE);
up_read(&mm->mmap_sem);
return ret < 0 ? ret : 0;
diff --git a/kernel/gcov/Kconfig b/kernel/gcov/Kconfig
index 5bf924d80b5..a92028196cc 100644
--- a/kernel/gcov/Kconfig
+++ b/kernel/gcov/Kconfig
@@ -3,7 +3,7 @@ menu "GCOV-based kernel profiling"
config GCOV_KERNEL
bool "Enable gcov-based kernel profiling"
depends on DEBUG_FS
- select CONSTRUCTORS
+ select CONSTRUCTORS if !UML
default n
---help---
This option enables gcov-based code profiling (e.g. for code coverage
diff --git a/kernel/irq/devres.c b/kernel/irq/devres.c
index 1ef4ffcdfa5..bd8e788d71e 100644
--- a/kernel/irq/devres.c
+++ b/kernel/irq/devres.c
@@ -87,8 +87,8 @@ void devm_free_irq(struct device *dev, unsigned int irq, void *dev_id)
{
struct irq_devres match_data = { irq, dev_id };
- free_irq(irq, dev_id);
WARN_ON(devres_destroy(dev, devm_irq_release, devm_irq_match,
&match_data));
+ free_irq(irq, dev_id);
}
EXPORT_SYMBOL(devm_free_irq);
diff --git a/kernel/kexec.c b/kernel/kexec.c
index 8d814cbc810..296fbc84d65 100644
--- a/kernel/kexec.c
+++ b/kernel/kexec.c
@@ -1095,7 +1095,7 @@ size_t crash_get_memory_size(void)
size_t size = 0;
mutex_lock(&kexec_mutex);
if (crashk_res.end != crashk_res.start)
- size = crashk_res.end - crashk_res.start + 1;
+ size = resource_size(&crashk_res);
mutex_unlock(&kexec_mutex);
return size;
}
diff --git a/kernel/notifier.c b/kernel/notifier.c
index 2488ba7eb56..8d7b435806c 100644
--- a/kernel/notifier.c
+++ b/kernel/notifier.c
@@ -525,37 +525,6 @@ void srcu_init_notifier_head(struct srcu_notifier_head *nh)
}
EXPORT_SYMBOL_GPL(srcu_init_notifier_head);
-/**
- * register_reboot_notifier - Register function to be called at reboot time
- * @nb: Info about notifier function to be called
- *
- * Registers a function with the list of functions
- * to be called at reboot time.
- *
- * Currently always returns zero, as blocking_notifier_chain_register()
- * always returns zero.
- */
-int register_reboot_notifier(struct notifier_block *nb)
-{
- return blocking_notifier_chain_register(&reboot_notifier_list, nb);
-}
-EXPORT_SYMBOL(register_reboot_notifier);
-
-/**
- * unregister_reboot_notifier - Unregister previously registered reboot notifier
- * @nb: Hook to be unregistered
- *
- * Unregisters a previously registered reboot
- * notifier function.
- *
- * Returns zero on success, or %-ENOENT on failure.
- */
-int unregister_reboot_notifier(struct notifier_block *nb)
-{
- return blocking_notifier_chain_unregister(&reboot_notifier_list, nb);
-}
-EXPORT_SYMBOL(unregister_reboot_notifier);
-
static ATOMIC_NOTIFIER_HEAD(die_chain);
int notrace __kprobes notify_die(enum die_val val, const char *str,
diff --git a/kernel/panic.c b/kernel/panic.c
index 69231670eb9..d7bb6974efb 100644
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -119,6 +119,8 @@ NORET_TYPE void panic(const char * fmt, ...)
}
mdelay(PANIC_TIMER_STEP);
}
+ }
+ if (panic_timeout != 0) {
/*
* This will not be a clean reboot, with everything
* shutting down. But if there is a chance of
diff --git a/kernel/pid.c b/kernel/pid.c
index 57a8346a270..e432057f3b2 100644
--- a/kernel/pid.c
+++ b/kernel/pid.c
@@ -405,7 +405,6 @@ struct task_struct *pid_task(struct pid *pid, enum pid_type type)
if (pid) {
struct hlist_node *first;
first = rcu_dereference_check(hlist_first_rcu(&pid->tasks[type]),
- rcu_read_lock_held() ||
lockdep_tasklist_lock_is_held());
if (first)
result = hlist_entry(first, struct task_struct, pids[(type)].node);
diff --git a/kernel/power/Kconfig b/kernel/power/Kconfig
index 7b856b3458d..b1914cb9095 100644
--- a/kernel/power/Kconfig
+++ b/kernel/power/Kconfig
@@ -193,8 +193,8 @@ config APM_EMULATION
notification of APM "events" (e.g. battery status change).
In order to use APM, you will need supporting software. For location
- and more information, read <file:Documentation/power/pm.txt> and the
- Battery Powered Linux mini-HOWTO, available from
+ and more information, read <file:Documentation/power/apm-acpi.txt>
+ and the Battery Powered Linux mini-HOWTO, available from
<http://www.tldp.org/docs.html#howto>.
This driver does not spin down disk drives (see the hdparm(8)
diff --git a/kernel/rcupdate.c b/kernel/rcupdate.c
index 7784bd216b6..ddddb320be6 100644
--- a/kernel/rcupdate.c
+++ b/kernel/rcupdate.c
@@ -37,7 +37,7 @@
#include <linux/smp.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/bitops.h>
#include <linux/percpu.h>
#include <linux/notifier.h>
diff --git a/kernel/rcutorture.c b/kernel/rcutorture.c
index 2e138db0338..98f51b13bb7 100644
--- a/kernel/rcutorture.c
+++ b/kernel/rcutorture.c
@@ -33,7 +33,7 @@
#include <linux/rcupdate.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/bitops.h>
#include <linux/completion.h>
#include <linux/moduleparam.h>
@@ -941,7 +941,6 @@ static void rcu_torture_timer(unsigned long unused)
idx = cur_ops->readlock();
completed = cur_ops->completed();
p = rcu_dereference_check(rcu_torture_current,
- rcu_read_lock_held() ||
rcu_read_lock_bh_held() ||
rcu_read_lock_sched_held() ||
srcu_read_lock_held(&srcu_ctl));
@@ -1002,7 +1001,6 @@ rcu_torture_reader(void *arg)
idx = cur_ops->readlock();
completed = cur_ops->completed();
p = rcu_dereference_check(rcu_torture_current,
- rcu_read_lock_held() ||
rcu_read_lock_bh_held() ||
rcu_read_lock_sched_held() ||
srcu_read_lock_held(&srcu_ctl));
diff --git a/kernel/rcutree_trace.c b/kernel/rcutree_trace.c
index 4e144876dc6..3b0c0986afc 100644
--- a/kernel/rcutree_trace.c
+++ b/kernel/rcutree_trace.c
@@ -31,7 +31,7 @@
#include <linux/rcupdate.h>
#include <linux/interrupt.h>
#include <linux/sched.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/bitops.h>
#include <linux/module.h>
#include <linux/completion.h>
diff --git a/kernel/rwsem.c b/kernel/rwsem.c
index 176e5e56ffa..9f48f3d82e9 100644
--- a/kernel/rwsem.c
+++ b/kernel/rwsem.c
@@ -11,7 +11,7 @@
#include <linux/rwsem.h>
#include <asm/system.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
/*
* lock for reading
diff --git a/kernel/sched.c b/kernel/sched.c
index 751a7cc6a5c..ccacdbdecf4 100644
--- a/kernel/sched.c
+++ b/kernel/sched.c
@@ -590,7 +590,6 @@ static inline int cpu_of(struct rq *rq)
#define rcu_dereference_check_sched_domain(p) \
rcu_dereference_check((p), \
- rcu_read_lock_held() || \
lockdep_is_held(&sched_domains_mutex))
/*
diff --git a/kernel/stop_machine.c b/kernel/stop_machine.c
index c1124752e1d..ba5070ce576 100644
--- a/kernel/stop_machine.c
+++ b/kernel/stop_machine.c
@@ -19,7 +19,7 @@
#include <linux/interrupt.h>
#include <linux/kallsyms.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
/*
* Structure to determine completion condition and record errors. May
diff --git a/kernel/sys.c b/kernel/sys.c
index e4128b278f2..a101ba36c44 100644
--- a/kernel/sys.c
+++ b/kernel/sys.c
@@ -8,7 +8,6 @@
#include <linux/mm.h>
#include <linux/utsname.h>
#include <linux/mman.h>
-#include <linux/notifier.h>
#include <linux/reboot.h>
#include <linux/prctl.h>
#include <linux/highuid.h>
@@ -320,6 +319,37 @@ void kernel_restart_prepare(char *cmd)
}
/**
+ * register_reboot_notifier - Register function to be called at reboot time
+ * @nb: Info about notifier function to be called
+ *
+ * Registers a function with the list of functions
+ * to be called at reboot time.
+ *
+ * Currently always returns zero, as blocking_notifier_chain_register()
+ * always returns zero.
+ */
+int register_reboot_notifier(struct notifier_block *nb)
+{
+ return blocking_notifier_chain_register(&reboot_notifier_list, nb);
+}
+EXPORT_SYMBOL(register_reboot_notifier);
+
+/**
+ * unregister_reboot_notifier - Unregister previously registered reboot notifier
+ * @nb: Hook to be unregistered
+ *
+ * Unregisters a previously registered reboot
+ * notifier function.
+ *
+ * Returns zero on success, or %-ENOENT on failure.
+ */
+int unregister_reboot_notifier(struct notifier_block *nb)
+{
+ return blocking_notifier_chain_unregister(&reboot_notifier_list, nb);
+}
+EXPORT_SYMBOL(unregister_reboot_notifier);
+
+/**
* kernel_restart - reboot the system
* @cmd: pointer to buffer containing command to execute for restart
* or %NULL
diff --git a/kernel/taskstats.c b/kernel/taskstats.c
index fc0f2200541..d1db2880d1c 100644
--- a/kernel/taskstats.c
+++ b/kernel/taskstats.c
@@ -28,7 +28,7 @@
#include <linux/fs.h>
#include <linux/file.h>
#include <net/genetlink.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
/*
* Maximum length of a cpumask that can be specified in
diff --git a/kernel/trace/trace.h b/kernel/trace/trace.h
index 3f381d0b20a..616846bcfee 100644
--- a/kernel/trace/trace.h
+++ b/kernel/trace/trace.h
@@ -2,7 +2,7 @@
#define _LINUX_KERNEL_TRACE_H
#include <linux/fs.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <linux/sched.h>
#include <linux/clocksource.h>
#include <linux/ring_buffer.h>
diff --git a/kernel/trace/trace_mmiotrace.c b/kernel/trace/trace_mmiotrace.c
index 017fa376505..fd3c8aae55e 100644
--- a/kernel/trace/trace_mmiotrace.c
+++ b/kernel/trace/trace_mmiotrace.c
@@ -12,7 +12,7 @@
#include <linux/slab.h>
#include <linux/time.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include "trace.h"
#include "trace_output.h"