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i2som-imx-linux/kernel
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Thomas Gleixner c4b4c3c5f8 nohz: Fix another inconsistency between CONFIG_NO_HZ=n and nohz=off 
commit 0e576acbc1 upstream.

If CONFIG_NO_HZ=n tick_nohz_get_sleep_length() returns NSEC_PER_SEC/HZ.

If CONFIG_NO_HZ=y and the nohz functionality is disabled via the
command line option "nohz=off" or not enabled due to missing hardware
support, then tick_nohz_get_sleep_length() returns 0. That happens
because ts->sleep_length is never set in that case.

Set it to NSEC_PER_SEC/HZ when the NOHZ mode is inactive.

Reported-by: Michal Hocko <mhocko@suse.cz>
Reported-by: Borislav Petkov <bp@alien8.de>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
[bwh: Backported to 3.2: adjust context]
Signed-off-by: Ben Hutchings <ben@decadent.org.uk>
2014-08-06 18:07:39 +01:00
..
debug
kgdb,debug_core: pass the breakpoint struct instead of address and memory
2012-04-13 08:33:48 -07:00
events
perf: Fix race in removing an event
2014-07-11 13:33:56 +01:00
gcov
gcov: disable CONSTRUCTORS for UML
2011-07-26 16:49:45 -07:00
irq
genirq: Sanitize spurious interrupt detection of threaded irqs
2014-07-11 13:33:34 +01:00
power
PM / hibernate: Avoid overflow in hibernate_preallocate_memory()
2014-01-03 04:33:17 +00:00
time
nohz: Fix another inconsistency between CONFIG_NO_HZ=n and nohz=off
2014-08-06 18:07:39 +01:00
trace
ring-buffer: Fix polling on trace_pipe
2014-08-06 18:07:37 +01:00
.gitignore
…
acct.c
…
async.c
Fix a dead loop in async_synchronize_full()
2012-10-10 03:31:09 +01:00
audit_tree.c
kernel/audit_tree.c: tree will leak memory when failure occurs in audit_trim_trees()
2013-05-13 15:02:43 +01:00
audit_watch.c
…
audit.c
audit: use nlmsg_len() to get message payload length
2014-01-03 04:33:17 +00:00
audit.h
…
auditfilter.c
…
auditsc.c
auditsc: audit_krule mask accesses need bounds checking
2014-07-11 13:33:49 +01:00
backtracetest.c
…
bounds.c
…
capability.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
cgroup_freezer.c
cgroup: cgroup_subsys->fork() should be called after the task is added to css_set
2013-01-03 03:32:56 +00:00
cgroup.c
cgroup: update cgroup_enable_task_cg_lists() to grab siglock
2014-04-02 00:58:54 +01:00
compat.c
compat: Fix RT signal mask corruption via sigprocmask
2012-05-31 00:43:51 +01:00
configs.c
kernel/configs.c: include MODULE_*() when CONFIG_IKCONFIG_PROC=n
2011-07-25 20:57:15 -07:00
cpu_pm.c
cpu_pm: call notifiers during suspend
2011-09-23 12:05:29 +05:30
cpu.c
CPU hotplug: provide a generic helper to disable/enable CPU hotplug
2013-06-19 02:16:59 +01:00
cpuset.c
cpuset,mempolicy: fix sleeping function called from invalid context
2014-08-06 18:07:33 +01:00
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
2012-04-13 08:33:50 -07:00
delayacct.c
…
dma.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
elfcore.c
…
exec_domain.c
…
exit.c
wait: fix reparent_leader() vs EXIT_DEAD->EXIT_ZOMBIE race
2014-04-30 16:23:26 +01:00
extable.c
…
fork.c
tracing: Fix syscall_*regfunc() vs copy_process() race
2014-07-11 13:33:53 +01:00
freezer.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
futex_compat.c
futex: Do not leak robust list to unprivileged process
2012-04-22 15:31:15 -07:00
futex.c
futex: Make lookup_pi_state more robust
2014-06-09 13:29:17 +01:00
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()
2014-06-09 13:29:10 +01:00
hung_task.c
hung_task: fix false positive during vfork
2012-01-03 16:14:32 -08:00
irq_work.c
kernel: fix two implicit header assumptions in irq_work.c
2011-10-31 09:20:12 -04:00
itimer.c
…
jump_label.c
jump_label: jump_label_inc may return before the code is patched
2011-12-05 13:28:46 -05:00
kallsyms.c
…
Kconfig.freezer
…
Kconfig.hz
…
Kconfig.locks
locking/mutex: Disable optimistic spinning on some architectures
2014-08-06 18:07:38 +01:00
Kconfig.preempt
…
kexec.c
[S390] kdump: Add infrastructure for unmapping crashkernel memory
2011-10-30 15:16:42 +01:00
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
2013-05-30 14:35:00 +01:00
kprobes.c
kprobes: return proper error code from register_kprobe()
2012-03-12 12:31:26 -07:00
ksysfs.c
kernel: ksysfs.c is implicitly using stat.h
2011-10-31 09:20:13 -04:00
kthread.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
latencytop.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
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
…
lockdep.c
lockdep, kmemcheck: Annotate ->lock in lockdep_init_map()
2011-12-06 18:18:13 +01:00
Makefile
Merge branch 'devel-stable' of http://ftp.arm.linux.org.uk/pub/linux/arm/kernel/git-cur/linux-2.6-arm
2011-10-28 12:02:27 -07:00
module.c
ftrace/module: Hardcode ftrace_module_init() call into load_module()
2014-06-09 13:29:03 +01:00
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
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
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
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
panic.c
lockdep, bug: Exclude TAINT_OOT_MODULE from disabling lock debugging
2012-02-13 11:16:59 -08:00
params.c
kernel: params.c needs module.h not moduleparam.h
2011-10-31 09:20:13 -04:00
pid_namespace.c
…
pid.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
posix-cpu-timers.c
posix-cpu-timers: Fix nanosleep task_struct leak
2013-03-06 03:24:01 +00:00
posix-timers.c
posix-timer: Don't call idr_find() with out-of-range ID
2013-03-06 03:24:09 +00:00
printk.c
printk: Fix scheduling-while-atomic problem in console_cpu_notify()
2014-04-02 00:59:00 +01:00
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
2014-01-03 04:33:21 +00:00
range.c
range: fix bogus misuse of module.h to get printk()
2011-10-31 09:20:11 -04:00
rcu.h
rcu: Add grace-period, quiescent-state, and call_rcu trace events
2011-09-28 21:38:21 -07:00
rcupdate.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
rcutiny_plugin.h
kernel: fix up module header handling in rcutiny files
2011-10-31 09:20:13 -04:00
rcutiny.c
kernel: fix up module header handling in rcutiny files
2011-10-31 09:20:13 -04:00
rcutorture.c
rcu: Make rcu_torture_boost() exit loops at end of test
2011-09-28 21:38:46 -07:00
rcutree_plugin.h
rcu: Remove rcu_needs_cpu_flush() to avoid false quiescent states
2011-09-28 21:38:48 -07:00
rcutree_trace.c
rcu: Simplify quiescent-state accounting
2011-09-28 21:38:22 -07:00
rcutree.c
rcu: Fix batch-limit size problem
2013-01-03 03:33:08 +00:00
rcutree.h
rcu: Remove rcu_needs_cpu_flush() to avoid false quiescent states
2011-09-28 21:38:48 -07:00
relay.c
splice: fix racy pipe->buffers uses
2012-07-12 04:31:59 +01:00
res_counter.c
…
resource.c
kernel/resource.c: fix stack overflow in __reserve_region_with_split()
2013-02-20 03:15:31 +00:00
rtmutex_common.h
…
rtmutex-debug.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
rtmutex-debug.h
rtmutex: Handle deadlock detection smarter
2014-07-11 13:33:50 +01:00
rtmutex-tester.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
rtmutex.c
rtmutex: Plug slow unlock race
2014-07-11 13:33:51 +01:00
rtmutex.h
rtmutex: Handle deadlock detection smarter
2014-07-11 13:33:50 +01:00
rwsem.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
sched_autogroup.c
Revert "sched, autogroup: Stop going ahead if autogroup is disabled"
2013-01-03 03:32:53 +00:00
sched_autogroup.h
Revert "sched, autogroup: Stop going ahead if autogroup is disabled"
2013-01-03 03:32:53 +00:00
sched_clock.c
sched_clock: Prevent 64bit inatomicity on 32bit systems
2013-04-25 20:25:34 +01:00
sched_cpupri.c
sched: Use CPUPRI_NR_PRIORITIES instead of MAX_RT_PRIO in cpupri check
2014-06-09 13:29:10 +01:00
sched_cpupri.h
sched/cpupri: Remove cpupri->pri_active
2011-08-14 12:01:11 +02:00
sched_debug.c
sched: Fix possible divide by zero in avg_atom() calculation
2014-08-06 18:07:38 +01:00
sched_fair.c
sched: Fix double normalization of vruntime
2014-04-02 00:58:56 +01:00
sched_features.h
sched, rt: Provide means of disabling cross-cpu bandwidth sharing
2011-11-14 12:50:40 +01:00
sched_idletask.c
sched/nohz: Rewrite and fix load-avg computation -- again
2012-07-25 04:11:09 +01:00
sched_rt.c
sched/rt: Avoid updating RT entry timeout twice within one tick period
2014-02-15 19:20:18 +00:00
sched_stats.h
locking, sched: Annotate thread_group_cputimer as raw
2011-09-13 11:11:55 +02:00
sched_stoptask.c
sched: Fix migration thread runtime bogosity
2012-10-17 03:50:03 +01:00
sched.c
sched: Unthrottle rt runqueues in __disable_runtime()
2014-02-15 19:20:18 +00:00
seccomp.c
…
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 20:25:42 +01:00
smp.c
smp: Fix SMP function call empty cpu mask race
2013-02-06 04:33:49 +00:00
softirq.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
spinlock.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
srcu.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
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_ni.c
Cross Memory Attach
2011-10-31 17:30:44 -07:00
sys.c
reboot: rigrate shutdown/reboot to boot cpu
2013-06-19 02:17:00 +01:00
sysctl_binary.c
sysctl: fix null checking in bin_dn_node_address()
2013-03-06 03:24:17 +00:00
sysctl_check.c
xfs: remove subdirectories
2011-08-12 16:21:35 -05:00
sysctl.c
sysctl: fix write access to dmesg_restrict/kptr_restrict
2012-04-13 08:33:49 -07:00
taskstats.c
Make TASKSTATS require root access
2011-09-19 17:04:37 -07:00
test_kprobes.c
…
time.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
timeconst.pl
timeconst.pl: Eliminate Perl warning
2013-03-06 03:23:52 +00:00
timer.c
timer: Prevent overflow in apply_slack
2014-06-09 13:29:04 +01:00
tracepoint.c
tracepoint: Do not waste memory on mods with no tracepoints
2014-06-09 13:28:55 +01:00
tsacct.c
Make taskstats round statistics down to nearest 1k bytes/events
2011-09-19 17:10:57 -07:00
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_namespace.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
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
utsname.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
wait.c
kernel: Map most files to use export.h instead of module.h
2011-10-31 09:20:12 -04:00
watchdog.c
watchdog: using u64 in get_sample_period()
2012-12-06 11:20:21 +00:00
workqueue_sched.h
…
workqueue.c
workqueue: ensure @task is valid across kthread_stop()
2014-04-02 00:58:54 +01:00