Peter Zijlstra c64be78ffb sched: Fix 32bit race ...

Commit 3fe1698b7f ("sched: Deal with non-atomic min_vruntime reads
on 32bit") forgot to initialize min_vruntime_copy which could lead to
an infinite while loop in task_waking_fair() under some circumstances
(early boot, lucky timing).

[ This bug was also reported by others that blamed it on the RCU
  initialization problems ]

Reported-and-tested-by: Bruno Wolff III <bruno@wolff.to>
Signed-off-by: Peter Zijlstra <a.p.zijlstra@chello.nl>
Reviewed-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

2011-07-15 09:54:02 -07:00

..

debug

Fix common misspellings

2011-03-31 11:26:23 -03:00

events

Merge branch 'perf/urgent' of git://git.kernel.org/pub/scm/linux/kernel/git/acme/linux into perf/urgent

2011-06-04 12:13:06 +02:00

gcov

gcov: disable CONFIG_CONSTRUCTORS when not needed by CONFIG_GCOV_KERNEL

2011-06-15 20:04:01 -07:00

irq

genirq: replace irq_gc_ack() with {set,clr}_bit variants (fwd)

2011-07-07 16:02:26 +00:00

power

PM / Hibernate: Fix free_unnecessary_pages()

2011-07-06 20:15:23 +02:00

time

alarmtimers: Return -ENOTSUPP if no RTC device is present

2011-06-21 16:32:28 -07:00

trace

tracing: Fix regression in printk_formats file

2011-06-09 08:42:15 -04:00

.gitignore

…

acct.c

…

async.c

…

audit_tree.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

audit_watch.c

kill path_lookup()

2011-03-14 09:15:23 -04:00

audit.c

netlink: kill loginuid/sessionid/sid members from struct netlink_skb_parms

2011-03-03 10:55:40 -08:00

audit.h

…

auditfilter.c

netlink: kill loginuid/sessionid/sid members from struct netlink_skb_parms

2011-03-03 10:55:40 -08:00

auditsc.c

audit: acquire creds selectively to reduce atomic op overhead

2011-04-27 15:11:03 +02:00

backtracetest.c

…

bounds.c

memcg: remove direct page_cgroup-to-page pointer

2011-03-23 19:46:28 -07:00

capability.c

Merge branch 'master' into next

2011-05-19 18:51:57 +10:00

cgroup_freezer.c

cgroups: add per-thread subsystem callbacks

2011-05-26 17:12:34 -07:00

cgroup.c

cgroup: remove the ns_cgroup

2011-05-26 17:12:34 -07:00

compat.c

Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile

2011-05-25 15:35:32 -07:00

configs.c

…

cpu.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

cpuset.c

cpuset: Fix cpuset_cpus_allowed_fallback(), don't update tsk->rt.nr_cpus_allowed

2011-05-28 17:02:57 +02:00

crash_dump.c

crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn

2011-03-23 19:47:19 -07:00

cred.c

Merge branch 'docs-move' of git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs

2011-05-27 10:25:02 -07:00

delayacct.c

…

dma.c

…

elfcore.c

…

exec_domain.c

…

exit.c

memcg: clear mm->owner when last possible owner leaves

2011-06-15 20:04:01 -07:00

extable.c

extable, core_kernel_data(): Make sure all archs define _sdata

2011-05-20 08:56:56 +02:00

fork.c

mm: Fix boot crash in mm_alloc()

2011-05-29 11:32:28 -07:00

freezer.c

Freezer: Use SMP barriers

2011-05-17 23:19:17 +02:00

futex_compat.c

userns: user namespaces: convert several capable() calls

2011-03-23 19:47:08 -07:00

futex.c

futex: Set FLAGS_HAS_TIMEOUT during futex_wait restart setup

2011-04-15 16:34:32 +02:00

groups.c

userns: user namespaces: convert several capable() calls

2011-03-23 19:47:08 -07:00

hrtimer.c

hrtimers: Fix typo causing erratic timers

2011-05-25 15:31:58 -07:00

hung_task.c

watchdog, hung_task_timeout: Add Kconfig configurable default

2011-04-28 09:13:17 +02:00

irq_work.c

irq_work: Use per cpu atomics instead of regular atomics

2010-12-18 15:54:48 +01:00

itimer.c

…

jump_label.c

jump_label: Fix jump_label update for modules

2011-06-29 09:59:17 -04:00

kallsyms.c

Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2011-03-25 17:52:22 -07:00

Kconfig.freezer

…

Kconfig.hz

…

Kconfig.locks

arch:Kconfig.locks Remove unused config option.

2011-04-10 17:01:05 +02:00

Kconfig.preempt

…

kexec.c

PM: Remove sysdev suspend, resume and shutdown operations

2011-05-11 21:37:15 +02:00

kfifo.c

…

kmod.c

KEYS/DNS: Fix ____call_usermodehelper() to not lose the session keyring

2011-06-17 09:40:48 -07:00

kprobes.c

Merge branch 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2011-01-07 17:02:58 -08:00

ksysfs.c

kernel/ksysfs.c: expose file_caps_enabled in sysfs

2011-04-19 16:45:51 -07:00

kthread.c

cpuset: Fix cpuset_cpus_allowed_fallback(), don't update tsk->rt.nr_cpus_allowed

2011-05-28 17:02:57 +02:00

latencytop.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

lockdep_internals.h

…

lockdep_proc.c

lockdep: Remove unused 'factor' variable from lockdep_stats_show()

2011-03-23 13:54:47 +01:00

lockdep_states.h

…

lockdep.c

lockdep: Fix lock_is_held() on recursion

2011-06-07 12:25:50 +02:00

Makefile

cgroup: remove the ns_cgroup

2011-05-26 17:12:34 -07:00

module.c

Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6

2011-05-23 12:49:28 -07:00

mutex-debug.c

mutex: Use p->on_cpu for the adaptive spin

2011-04-14 08:52:33 +02:00

mutex-debug.h

mutex: Use p->on_cpu for the adaptive spin

2011-04-14 08:52:33 +02:00

mutex.c

lockdep, mutex: provide mutex_lock_nest_lock

2011-05-25 08:39:17 -07:00

mutex.h

mutex: Use p->on_cpu for the adaptive spin

2011-04-14 08:52:33 +02:00

notifier.c

…

nsproxy.c

cgroup: remove the ns_cgroup

2011-05-26 17:12:34 -07:00

padata.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

panic.c

move x86 specific oops=panic to generic code

2011-03-22 17:44:11 -07:00

params.c

params.c: Use new strtobool function to process boolean inputs

2011-05-19 16:55:28 +09:30

pid_namespace.c

pidns: call pid_ns_prepare_proc() from create_pid_namespace()

2011-03-23 19:46:58 -07:00

pid.c

next_pidmap: fix overflow condition

2011-04-18 10:35:30 -07:00

pm_qos_params.c

Merge branch 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6

2011-05-29 11:18:09 -07:00

posix-cpu-timers.c

hrtimers: Avoid touching inactive timer bases

2011-05-23 13:59:54 +02:00

posix-timers.c

posix-timers: RCU conversion

2011-05-24 12:10:51 +02:00

printk.c

printk: allocate kernel log buffer earlier

2011-05-25 08:39:48 -07:00

profile.c

kernel/profile.c: remove some duplicate code from profile_hits()

2011-05-26 17:12:37 -07:00

ptrace.c

ptrace: ptrace_resume() shouldn't wake up !TASK_TRACED thread

2011-05-25 19:20:21 +02:00

range.c

…

rcupdate.c

rcu: Use WARN_ON_ONCE for DEBUG_OBJECTS_RCU_HEAD warnings

2011-05-05 23:16:57 -07:00

rcutiny_plugin.h

rcu: Converge TINY_RCU expedited and normal boosting

2011-05-05 23:16:58 -07:00

rcutiny.c

sanitize <linux/prefetch.h> usage

2011-05-20 12:50:29 -07:00

rcutorture.c

rcu: mark rcutorture boosting callback as being on-stack

2011-05-05 23:16:57 -07:00

rcutree_plugin.h

rcu: Move RCU_BOOST #ifdefs to header file

2011-06-16 16:12:05 -07:00

rcutree_trace.c

rcu: use softirq instead of kthreads except when RCU_BOOST=y

2011-06-15 23:07:21 -07:00

rcutree.c

rcu: Move RCU_BOOST #ifdefs to header file

2011-06-16 16:12:05 -07:00

rcutree.h

rcu: Move RCU_BOOST #ifdefs to header file

2011-06-16 16:12:05 -07:00

relay.c

…

res_counter.c

memcg: res_counter_read_u64(): fix potential races on 32-bit machines

2011-03-23 19:46:22 -07:00

resource.c

resource: ability to resize an allocated resource

2011-07-06 10:54:08 -07:00

rtmutex_common.h

rtmutex: Simplify PI algorithm and make highest prio task get lock

2011-01-27 21:13:51 -05:00

rtmutex-debug.c

rtmutex: Simplify PI algorithm and make highest prio task get lock

2011-01-27 21:13:51 -05:00

rtmutex-debug.h

…

rtmutex-tester.c

rtmutex: tester: Remove the remaining BKL leftovers

2011-02-22 22:07:22 +01:00

rtmutex.c

rtmutex: Simplify PI algorithm and make highest prio task get lock

2011-01-27 21:13:51 -05:00

rtmutex.h

…

rwsem.c

…

sched_autogroup.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

sched_autogroup.h

sched, autogroup: Stop going ahead if autogroup is disabled

2011-02-23 11:33:59 +01:00

sched_clock.c

…

sched_cpupri.c

…

sched_cpupri.h

…

sched_debug.c

sched: Get rid of lock_depth

2011-04-24 13:18:38 +02:00

sched_fair.c

sched: Fix ->min_vruntime calculation in dequeue_entity()

2011-05-28 17:02:56 +02:00

sched_features.h

sched: Move the second half of ttwu() to the remote cpu

2011-04-14 08:52:41 +02:00

sched_idletask.c

sched: Drop the rq argument to sched_class::select_task_rq()

2011-04-14 08:52:36 +02:00

sched_rt.c

sched: Check if lowest_mask is initialized in find_lowest_rq()

2011-06-15 11:44:48 +02:00

sched_stats.h

sched: More sched_domain iterations fixes

2011-05-28 17:02:54 +02:00

sched_stoptask.c

sched: Drop the rq argument to sched_class::select_task_rq()

2011-04-14 08:52:36 +02:00

sched.c

sched: Fix 32bit race

2011-07-15 09:54:02 -07:00

seccomp.c

…

semaphore.c

…

signal.c

signal.c: fix kernel-doc notation

2011-06-14 19:12:17 -07:00

smp.c

generic-ipi: Fix kexec boot crash by initializing call_single_queue before enabling interrupts

2011-06-17 10:17:12 +02:00

softirq.c

rcu: Use softirq to address performance regression

2011-06-14 15:25:39 -07:00

spinlock.c

…

srcu.c

rcu: demote SRCU_SYNCHRONIZE_DELAY from kernel-parameter status

2011-01-14 04:56:49 -08:00

stacktrace.c

…

stop_machine.c

kthread: use kthread_create_on_node()

2011-03-22 17:44:01 -07:00

sys_ni.c

ipc: Add missing sys_ni entries for ipc/compat.c functions

2011-05-20 13:53:02 -07:00

sys.c

Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6

2011-05-19 18:24:11 -07:00

sysctl_binary.c

open-style analog of vfs_path_lookup()

2011-03-14 09:15:28 -04:00

sysctl_check.c

sysctl_check: drop dead code

2011-03-23 19:46:51 -07:00

sysctl.c

perf: Comment /proc/sys/kernel/perf_event_paranoid to be part of user ABI

2011-06-04 12:22:04 +02:00

taskstats.c

taskstats: don't allow duplicate entries in listener mode

2011-06-27 18:00:13 -07:00

test_kprobes.c

…

time.c

Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

2011-03-15 18:53:35 -07:00

timeconst.pl

…

timer.c

timers: Consider slack value in mod_timer()

2011-06-03 15:02:32 +02:00

tracepoint.c

jump label: Introduce static_branch() interface

2011-04-04 12:48:08 -04:00

tsacct.c

…

uid16.c

userns: user namespaces: convert several capable() calls

2011-03-23 19:47:08 -07:00

up.c

…

user_namespace.c

user_ns: improve the user_ns on-the-slab packaging

2011-01-13 08:03:18 -08:00

user-return-notifier.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

user.c

userns: add a user_namespace as creator/owner of uts_namespace

2011-03-23 19:46:59 -07:00

utsname_sysctl.c

…

utsname.c

ns proc: Add support for the uts namespace

2011-05-10 14:35:35 -07:00

wait.c

Fix common misspellings

2011-03-31 11:26:23 -03:00

watchdog.c

kernel/watchdog.c: Use proper ANSI C prototypes

2011-05-23 21:07:40 -07:00

workqueue_sched.h

…

workqueue.c

Merge branch 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu

2011-05-24 11:53:42 -07:00