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Lai Jiangshan 79a6cdeb7e cpuhotplug: do not need cpu_hotplug_begin() when CONFIG_HOTPLUG_CPU=n 
Since when CONFIG_HOTPLUG_CPU=n, get_online_cpus() do nothing, so we don't
need cpu_hotplug_begin() either.

This patch moves cpu_hotplug_begin()/cpu_hotplug_done() into the code
block of CONFIG_HOTPLUG_CPU=y.

Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Cc: Gautham R Shenoy <ego@in.ibm.com>
Cc: Ingo Molnar <mingo@elte.hu>

Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2010-05-27 09:12:48 -07:00
..
debug
x86, kgdb, init: Add early and late debug states
2010-05-20 21:04:29 -05:00
gcov
…
irq
genirq: Clear CPU mask in affinity_hint when none is provided
2010-05-12 11:23:34 +02:00
power
PM / Hibernate: Fix block_io.c printk warning
2010-05-10 23:08:18 +02:00
time
Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2010-05-19 17:11:10 -07:00
trace
Merge branch 'master' into for-2.6.35
2010-05-21 21:27:26 +02:00
.gitignore
…
acct.c
Merge branch 'next' into for-linus
2010-05-18 08:57:00 +10:00
async.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
audit_tree.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
audit_watch.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
audit.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
audit.h
…
auditfilter.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
auditsc.c
audit: preface audit printk with audit
2010-04-05 13:19:45 -07:00
backtracetest.c
…
bounds.c
kbuild: move bounds.h to include/generated
2009-12-12 13:08:14 +01:00
capability.c
sched: Remove remaining USER_SCHED code
2010-04-02 20:12:00 +02:00
cgroup_freezer.c
Freezer / cgroup freezer: Update stale locking comments
2010-05-10 23:18:47 +02:00
cgroup.c
cgroups: make cftype.unregister_event() void-returning
2010-05-27 09:12:44 -07:00
compat.c
cpumask: fix compat getaffinity
2010-05-19 11:48:18 -07:00
configs.c
…
cpu.c
cpuhotplug: do not need cpu_hotplug_begin() when CONFIG_HOTPLUG_CPU=n
2010-05-27 09:12:48 -07:00
cpuset.c
cpusets: new round-robin rotor for SLAB allocations
2010-05-27 09:12:44 -07:00
cred.c
umh: creds: kill subprocess_info->cred logic
2010-05-27 09:12:45 -07:00
delayacct.c
…
dma.c
…
early_res.c
x86: Do not free zero sized per cpu areas
2010-03-29 18:55:40 +02:00
elfcore.c
elf coredump: add extended numbering support
2010-03-06 11:26:46 -08:00
exec_domain.c
…
exit.c
proc: turn signal_struct->count into "int nr_threads"
2010-05-27 09:12:47 -07:00
extable.c
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fork.c
proc: turn signal_struct->count into "int nr_threads"
2010-05-27 09:12:47 -07:00
freezer.c
…
futex_compat.c
futex: Protect pid lookup in compat code with RCU
2009-12-09 14:22:14 +01:00
futex.c
futex: Handle futex value corruption gracefully
2010-02-03 15:13:22 +01:00
groups.c
security: remove dead hook task_setgroups
2010-04-12 12:19:18 +10:00
hrtimer.c
hrtimers: Provide schedule_hrtimeout for CLOCK_REALTIME
2010-04-06 21:50:03 +02:00
hung_task.c
softlockup: Fix hung_task_check_count sysctl
2009-11-27 06:21:57 +01:00
hw_breakpoint.c
hw_breakpoints: Fix percpu build failure
2010-05-04 08:39:36 +02:00
itimer.c
…
kallsyms.c
kdb: core for kgdb back end (2 of 2)
2010-05-20 21:04:21 -05:00
Kconfig.freezer
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Kconfig.hz
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Kconfig.locks
mutex: Better control mutex adaptive spinning config
2009-12-03 11:50:11 +01:00
Kconfig.preempt
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kexec.c
kexec: fix OOPS in crash_kernel_shrink
2010-05-11 17:33:42 -07:00
kfifo.c
kfifo: Don't use integer as NULL pointer
2010-02-16 15:11:08 -08:00
kmod.c
call_usermodehelper: UMH_WAIT_EXEC ignores kernel_thread() failure
2010-05-27 09:12:45 -07:00
kprobes.c
kprobes: Move enable/disable_kprobe() out from debugfs code
2010-05-08 18:08:30 +02:00
ksysfs.c
sysfs: add struct file* to bin_attr callbacks
2010-05-21 09:37:31 -07:00
kthread.c
cpuset: fix the problem that cpuset_mem_spread_node() returns an offline node
2010-03-24 16:31:21 -07:00
latencytop.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
lockdep_internals.h
lockdep: No need to disable preemption in debug atomic ops
2010-05-04 05:38:16 +02:00
lockdep_proc.c
lockstat: Make lockstat counting per cpu
2010-04-06 00:15:37 +02:00
lockdep_states.h
…
lockdep.c
lockdep: Add novalidate class for dev->mutex conversion
2010-05-21 09:37:30 -07:00
Makefile
Move kernel/kgdb.c to kernel/debug/debug_core.c
2010-05-20 21:04:18 -05:00
module.c
Revert "module: drop the lock while waiting for module to complete initialization."
2010-05-25 16:48:30 -07:00
mutex-debug.c
…
mutex-debug.h
locking: Implement new raw_spinlock
2009-12-14 23:55:32 +01:00
mutex.c
mutex: Better control mutex adaptive spinning config
2009-12-03 11:50:11 +01:00
mutex.h
…
notifier.c
sched: Use lockdep-based checking on rcu_dereference()
2010-02-25 10:34:26 +01:00
ns_cgroup.c
…
nsproxy.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
padata.c
kernel/: convert cpu notifier to return encapsulate errno value
2010-05-27 09:12:48 -07:00
panic.c
panic: Add taint flag TAINT_FIRMWARE_WORKAROUND ('I')
2010-05-19 08:37:43 +01:00
params.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial
2010-03-12 16:04:50 -08:00
perf_event.c
perf: Fix exit() vs event-groups
2010-05-11 17:08:24 +02:00
pid_namespace.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
pid.c
Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2010-03-13 14:43:01 -08:00
pm_qos_params.c
PM: PM QOS update fix
2010-05-17 00:21:03 +02:00
posix-cpu-timers.c
posix-cpu-timers: avoid "task->signal != NULL" checks
2010-05-27 09:12:46 -07:00
posix-timers.c
posix-timers.c: Don't export local functions
2010-02-05 14:54:10 +01:00
printk.c
printk,kdb: capture printk() when in kdb shell
2010-05-20 21:04:27 -05:00
profile.c
kernel/: convert cpu notifier to return encapsulate errno value
2010-05-27 09:12:48 -07:00
ptrace.c
ptrace: PTRACE_GETFDPIC: fix the unsafe usage of child->mm
2010-05-27 09:12:44 -07:00
range.c
x86: Change range end to start+size
2010-02-10 17:47:17 -08:00
rcupdate.c
rcu: slim down rcutiny by removing rcu_scheduler_active and friends
2010-05-10 11:08:34 -07:00
rcutiny_plugin.h
rcu: slim down rcutiny by removing rcu_scheduler_active and friends
2010-05-10 11:08:34 -07:00
rcutiny.c
rcu: remove all rcu head initializations, except on_stack initializations
2010-05-11 16:10:47 -07:00
rcutorture.c
Merge branch 'sched-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip
2010-05-18 08:27:54 -07:00
rcutree_plugin.h
rcu: remove all rcu head initializations, except on_stack initializations
2010-05-11 16:10:47 -07:00
rcutree_trace.c
rcu: reduce the number of spurious RCU_SOFTIRQ invocations
2010-05-10 11:08:35 -07:00
rcutree.c
rcu: remove all rcu head initializations, except on_stack initializations
2010-05-11 16:10:47 -07:00
rcutree.h
rcu: reduce the number of spurious RCU_SOFTIRQ invocations
2010-05-10 11:08:35 -07:00
relay.c
kernel/: convert cpu notifier to return encapsulate errno value
2010-05-27 09:12:48 -07:00
res_counter.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
resource.c
resource: shared I/O region support
2010-05-11 12:01:10 -07:00
rtmutex_common.h
…
rtmutex-debug.c
sched: Convert pi_lock to raw_spinlock
2009-12-14 23:55:33 +01:00
rtmutex-debug.h
…
rtmutex-tester.c
…
rtmutex.c
rtmutes: Convert rtmutex.lock to raw_spinlock
2009-12-14 23:55:33 +01:00
rtmutex.h
…
rwsem.c
…
sched_clock.c
blkio: fix for modular blk-cgroup build
2010-04-15 08:54:59 +02:00
sched_cpupri.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
sched_cpupri.h
sched: Convert cpupri lock to raw_spinlock
2009-12-14 23:55:33 +01:00
sched_debug.c
proc_sched_show_task(): use get_nr_threads()
2010-05-27 09:12:47 -07:00
sched_fair.c
sched: replace migration_thread with cpu_stop
2010-05-06 18:49:21 +02:00
sched_features.h
sched: Remove ASYM_GRAN feature
2010-03-11 18:32:53 +01:00
sched_idletask.c
sched: Cure load average vs NO_HZ woes
2010-04-23 11:02:02 +02:00
sched_rt.c
sched: Add enqueue/dequeue flags
2010-04-02 20:12:05 +02:00
sched_stats.h
…
sched.c
signals: kill the awful task_rq_unlock_wait() hack
2010-05-27 09:12:46 -07:00
seccomp.c
…
semaphore.c
…
signal.c
exit: change zap_other_threads() to count sub-threads
2010-05-27 09:12:46 -07:00
slow-work-debugfs.c
SLOW_WORK: Move slow_work's proc file to debugfs
2009-12-01 08:20:31 -08:00
slow-work.c
slow-work: use get_ref wrapper instead of directly calling get_ref
2010-03-29 09:13:30 -07:00
slow-work.h
SLOW_WORK: CONFIG_SLOW_WORK_PROC should be CONFIG_SLOW_WORK_DEBUG
2010-03-29 09:14:47 -07:00
smp.c
kernel/: convert cpu notifier to return encapsulate errno value
2010-05-27 09:12:48 -07:00
softirq.c
kernel/: convert cpu notifier to return encapsulate errno value
2010-05-27 09:12:48 -07:00
softlockup.c
softlockup: Stop spurious softlockup messages due to overflow
2010-03-21 19:30:13 +01:00
spinlock.c
locking: Cleanup the name space completely
2009-12-14 23:55:33 +01:00
srcu.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
stacktrace.c
…
stop_machine.c
stop_machine: Move local variable closer to the usage site in cpu_stop_cpu_callback()
2010-05-18 00:17:44 +02:00
sys_ni.c
Add generic sys_ipc wrapper
2010-03-12 15:52:32 -08:00
sys.c
kmod: add init function to usermodehelper
2010-05-27 09:12:44 -07:00
sysctl_binary.c
sysctl: don't use own implementation of hex_to_bin()
2010-05-25 08:07:05 -07:00
sysctl_check.c
ipv4 05/05: add sysctl to accept packets with local source addresses
2009-12-03 12:14:38 -08:00
sysctl.c
Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-2.6
2010-05-25 16:59:51 -07:00
taskstats.c
include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit slab.h inclusion from percpu.h
2010-03-30 22:02:32 +09:00
test_kprobes.c
…
time.c
timekeeping: Fix timezone update
2010-05-24 11:50:38 +02:00
timeconst.pl
…
timer.c
kernel/: convert cpu notifier to return encapsulate errno value
2010-05-27 09:12:48 -07:00
tracepoint.c
…
tsacct.c
mm: clean up mm_counter
2010-03-06 11:26:23 -08:00
uid16.c
…
up.c
…
user_namespace.c
kref: remove kref_set
2010-05-21 09:37:29 -07:00
user-return-notifier.c
core: Clean up user return notifers use of per_cpu
2009-12-02 10:22:59 +01:00
user.c
sched: Remove a stale comment
2010-05-10 08:48:39 +02:00
utsname_sysctl.c
…
utsname.c
…
wait.c
…
workqueue.c
kernel/: convert cpu notifier to return encapsulate errno value
2010-05-27 09:12:48 -07:00