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android_kernel_google_msm/kernel
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Lai Jiangshan d6e81d4f7b sched: Fix hotplug vs. set_cpus_allowed_ptr() 
commit 6acbfb9697 upstream.

Lai found that:

  WARNING: CPU: 1 PID: 13 at arch/x86/kernel/smp.c:124 native_smp_send_reschedule+0x2d/0x4b()
  ...
  migration_cpu_stop+0x1d/0x22

was caused by set_cpus_allowed_ptr() assuming that cpu_active_mask is
always a sub-set of cpu_online_mask.

This isn't true since 5fbd036b55 ("sched: Cleanup cpu_active madness").

So set active and online at the same time to avoid this particular
problem.

Fixes: 5fbd036b55 ("sched: Cleanup cpu_active madness")
Signed-off-by: Lai Jiangshan <laijs@cn.fujitsu.com>
Signed-off-by: Peter Zijlstra <peterz@infradead.org>
Cc: Andrew Morton <akpm@linux-foundation.org>
Cc: Gautham R. Shenoy <ego@linux.vnet.ibm.com>
Cc: Linus Torvalds <torvalds@linux-foundation.org>
Cc: Michael wang <wangyun@linux.vnet.ibm.com>
Cc: Paul Gortmaker <paul.gortmaker@windriver.com>
Cc: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Cc: Srivatsa S. Bhat <srivatsa.bhat@linux.vnet.ibm.com>
Cc: Toshi Kani <toshi.kani@hp.com>
Link: http://lkml.kernel.org/r/53758B12.8060609@cn.fujitsu.com
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
2014-06-11 12:04:11 -07:00
..
debug kdb,vt_console: Fix missed data due to pager overruns 2012-10-21 09:27:59 -07:00
events perf: Fix race in removing an event 2014-06-11 12:04:11 -07:00
gcov
irq genirq: Remove racy waitqueue_active check 2014-03-23 21:37:05 -07:00
power PM / Hibernate: Hibernate/thaw fixes/improvements 2014-02-20 10:45:33 -08:00
sched sched: Fix hotplug vs. set_cpus_allowed_ptr() 2014-06-11 12:04:11 -07:00
time time: Fix overflow when HZ is smaller than 60 2014-02-22 10:32:46 -08:00
trace tracing: Keep overwrite in sync between regular and snapshot buffers 2014-06-07 16:02:04 -07:00
.gitignore
acct.c Merge branch 'for-linus2' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2012-01-08 12:19:57 -08:00
async.c Fix a dead loop in async_synchronize_full() 2012-10-02 10:30:35 -07:00
audit.c audit: wait_for_auditd() should use TASK_UNINTERRUPTIBLE 2014-04-14 06:44:15 -07:00
audit.h audit: remove AUDIT_SETUP_CONTEXT as it isn't used 2012-01-17 16:16:57 -05:00
audit_tree.c kernel/audit_tree.c: tree will leak memory when failure occurs in audit_trim_trees() 2013-05-11 13:48:14 -07:00
audit_watch.c
auditfilter.c audit: allow interfield comparison in audit rules 2012-01-17 16:17:01 -05:00
auditsc.c kernel-doc: fix new warnings in auditsc.c 2012-01-23 08:44:53 -08:00
backtracetest.c
bounds.c
capability.c Revert "capabitlies: ns_capable can use the cap helpers rather than lsm call" 2012-01-17 10:19:41 -08:00
cgroup.c cgroup: cgroup_subsys->fork() should be called after the task is added to css_set 2014-03-11 16:10:03 -07:00
cgroup_freezer.c cgroup: cgroup_subsys->fork() should be called after the task is added to css_set 2014-03-11 16:10:03 -07:00
compat.c compat: Fix RT signal mask corruption via sigprocmask 2012-05-10 08:58:33 -07:00
configs.c
cpu.c sched: Fix hotplug vs. set_cpus_allowed_ptr() 2014-06-11 12:04:11 -07:00
cpu_pm.c
cpuset.c cpuset: fix a race condition in __cpuset_node_allowed_softwall() 2014-03-23 21:37:05 -07:00
crash_dump.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
cred.c cred: copy_process() should clear child->replacement_session_keyring 2012-04-11 08:20:11 -07:00
delayacct.c
dma.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
elfcore.c
exec_domain.c
exit.c wait: fix reparent_leader() vs EXIT_DEAD->EXIT_ZOMBIE race 2014-04-26 17:13:20 -07:00
extable.c
fork.c cgroup: cgroup_subsys->fork() should be called after the task is added to css_set 2014-03-11 16:10:03 -07:00
freezer.c PM / Freezer: Remove references to TIF_FREEZE in comments 2012-03-04 23:08:54 +01:00
futex.c futex: Make lookup_pi_state more robust 2014-06-07 16:02:16 -07:00
futex_compat.c futex: Revert "futex: Mark get_robust_list as deprecated" 2013-02-28 06:59:01 -08:00
groups.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
hrtimer.c hrtimer: Set expiry time before switch_hrtimer_base() 2014-06-07 16:02:01 -07:00
hung_task.c hung_task: fix the broken rcu_lock_break() logic 2012-03-05 15:49:42 -08:00
irq_work.c irq_work: fix compile failure on tile from missing include 2012-04-13 13:15:16 -04:00
itimer.c itimer: Use printk_once instead of WARN_ONCE 2012-04-10 11:00:30 +02:00
jump_label.c static keys: Inline the static_key_enabled() function 2012-02-28 20:01:08 +01:00
kallsyms.c
Kconfig.freezer
Kconfig.hz
Kconfig.locks locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage 2012-03-23 13:18:57 +01:00
Kconfig.preempt locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage 2012-03-23 13:18:57 +01:00
kexec.c Merge branch 'akpm' (Andrew's patch-bomb) 2012-03-28 17:19:28 -07:00
kfifo.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
kmod.c usermodehelper: check subprocess_info->path != NULL 2013-05-19 10:54:50 -07:00
kprobes.c kprobes: return proper error code from register_kprobe() 2012-03-05 15:49:42 -08:00
ksysfs.c kernel: ksysfs.c is implicitly using stat.h 2011-10-31 09:20:13 -04:00
kthread.c kthread_worker: reimplement flush_kthread_work() to allow freeing the work item being executed 2012-10-02 10:30:40 -07:00
latencytop.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
lockdep.c lockdep: Add CPU-idle/offline warning to lockdep-RCU splat 2012-02-21 09:06:06 -08:00
lockdep_internals.h
lockdep_proc.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
lockdep_states.h
Makefile sysctl: Move the implementation into fs/proc/proc_sysctl.c 2012-01-24 16:37:54 -08:00
module.c ftrace/module: Hardcode ftrace_module_init() call into load_module() 2014-06-07 16:02:00 -07:00
mutex-debug.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
mutex-debug.h
mutex.c sched/rt: Use schedule_preempt_disabled() 2012-03-01 10:28:03 +01:00
mutex.h
notifier.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
nsproxy.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
padata.c padata: Fix cpu hotplug 2012-03-29 19:52:46 +08:00
panic.c panic: fix a possible deadlock in panic() 2013-04-12 09:38:47 -07:00
params.c params: <level>_initcall-like kernel parameters 2012-03-26 12:50:51 +10:30
pid.c vfs: fix panic in __d_lookup() with high dentry hashtable counts 2012-02-13 20:45:38 -05:00
pid_namespace.c pidns: add reboot_pid_ns() to handle the reboot syscall 2012-03-28 17:14:36 -07:00
posix-cpu-timers.c posix-cpu-timers: Fix nanosleep task_struct leak 2013-02-28 06:58:59 -08:00
posix-timers.c posix-timer: Don't call idr_find() with out-of-range ID 2013-03-04 06:06:38 +08:00
printk.c printk: Fix rq->lock vs logbuf_lock unlock lock inversion 2014-04-14 06:44:16 -07:00
profile.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
ptrace.c exec/ptrace: fix get_dumpable() incorrect tests 2013-11-29 10:50:34 -08:00
range.c range: fix bogus misuse of module.h to get printk() 2011-10-31 09:20:11 -04:00
rcu.h rcu: Allow nesting of rcu_idle_enter() and rcu_idle_exit() 2012-02-21 09:06:12 -08:00
rcupdate.c rcu: Check for illegal use of RCU from offlined CPUs 2012-02-21 09:06:03 -08:00
rcutiny.c rcu: Add RCU_NONIDLE() for idle-loop RCU read-side critical sections 2012-02-21 09:06:13 -08:00
rcutiny_plugin.h rcu: Simplify unboosting checks 2012-02-21 09:03:43 -08:00
rcutorture.c PTR_ERR should be called before its argument is cleared. 2012-02-21 09:06:10 -08:00
rcutree.c rcu: Fix batch-limit size problem 2012-12-17 10:37:46 -08:00
rcutree.h rcu: Rework detection of use of RCU by offline CPUs 2012-02-21 09:06:07 -08:00
rcutree_plugin.h rcu: Hold off RCU_FAST_NO_HZ after timer posted 2012-02-21 09:42:30 -08:00
rcutree_trace.c rcu: Rework detection of use of RCU by offline CPUs 2012-02-21 09:06:07 -08:00
relay.c splice: fix racy pipe->buffers uses 2012-07-16 09:04:42 -07:00
res_counter.c net: introduce res_counter_charge_nofail() for socket allocations 2012-01-22 15:08:46 -05:00
resource.c kernel/resource.c: fix stack overflow in __reserve_region_with_split() 2013-02-14 10:48:53 -08:00
rtmutex-debug.c lockdep, rtmutex, bug: Show taint flags on error 2011-12-06 08:16:49 +01:00
rtmutex-debug.h
rtmutex-tester.c rtmutex-tester: convert sysdev_class to a regular subsystem 2011-12-14 14:54:22 -08:00
rtmutex.c Revert "rcu: Permit rt_mutex_unlock() with irqs disabled" 2011-12-11 10:33:18 -08:00
rtmutex.h
rtmutex_common.h
rwsem.c Remove all #inclusions of asm/system.h 2012-03-28 18:30:03 +01:00
seccomp.c seccomp: audit abnormal end to a process due to seccomp 2012-01-17 16:16:55 -05:00
semaphore.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
signal.c kernel/signal.c: stop info leak via the tkill and the tgkill syscalls 2013-04-25 21:19:54 -07:00
smp.c smp: Fix SMP function call empty cpu mask race 2013-02-03 18:24:42 -06:00
softirq.c Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-03-20 10:32:09 -07:00
spinlock.c locking/kconfig: Simplify INLINE_SPIN_UNLOCK usage 2012-03-23 13:18:57 +01:00
srcu.c rcu: Call out dangers of expedited RCU primitives 2012-02-21 09:06:08 -08:00
stacktrace.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
stop_machine.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
sys.c reboot: rigrate shutdown/reboot to boot cpu 2013-06-20 11:58:45 -07:00
sys_ni.c Cross Memory Attach 2011-10-31 17:30:44 -07:00
sysctl.c hung_task: check the value of "sysctl_hung_task_timeout_sec" 2014-05-06 07:51:45 -07:00
sysctl_binary.c sysctl: fix null checking in bin_dn_node_address() 2013-03-04 06:06:41 +08:00
taskstats.c
test_kprobes.c
time.c time: Remove bogus comments 2012-03-15 18:17:55 -07:00
timeconst.pl timeconst.pl: Eliminate Perl warning 2013-02-28 06:58:58 -08:00
timer.c timer: Prevent overflow in apply_slack 2014-06-07 16:02:00 -07:00
tracepoint.c tracepoint: Do not waste memory on mods with no tracepoints 2014-05-18 05:25:56 -07:00
tsacct.c [S390] cputime: add sparse checking and cleanup 2011-12-15 14:56:19 +01:00
uid16.c
up.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
user-return-notifier.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
user.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
user_namespace.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
utsname.c kernel: Map most files to use export.h instead of module.h 2011-10-31 09:20:12 -04:00
utsname_sysctl.c Merge branch 'modsplit-Oct31_2011' of git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux 2011-11-06 19:44:47 -08:00
wait.c lockdep/waitqueues: Add better annotation 2011-12-21 10:07:39 +01:00
watchdog.c watchdog: using u64 in get_sample_period() 2012-12-03 11:47:17 -08:00
workqueue.c workqueue: cond_resched() after processing each work item 2014-04-14 06:44:16 -07:00
workqueue_sched.h