Paul E. McKenney d9f1bb6ad7 rcu: Make rcu_read_lock_sched_held() take boot time into account ...

Before the scheduler starts, all tasks are non-preemptible by
definition. So, during that time, rcu_read_lock_sched_held()
needs to always return "true".  This patch makes that be so.

Signed-off-by: Paul E. McKenney <paulmck@linux.vnet.ibm.com>
Cc: laijs@cn.fujitsu.com
Cc: dipankar@in.ibm.com
Cc: mathieu.desnoyers@polymtl.ca
Cc: josh@joshtriplett.org
Cc: dvhltc@us.ibm.com
Cc: niv@us.ibm.com
Cc: peterz@infradead.org
Cc: rostedt@goodmis.org
Cc: Valdis.Kletnieks@vt.edu
Cc: dhowells@redhat.com
LKML-Reference: <1267135607-7056-2-git-send-email-paulmck@linux.vnet.ibm.com>
Signed-off-by: Ingo Molnar <mingo@elte.hu>

2010-02-26 08:20:46 +01:00

..

gcov

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irq

genirq: Convert irq_desc.lock to raw_spinlock

2009-12-14 23:55:33 +01:00

power

vt: introduce and use vt_kmsg_redirect() function

2009-12-15 08:53:28 -08:00

time

Export the symbol of getboottime and mmonotonic_to_bootbased

2010-02-09 19:20:15 +02:00

trace

tracing/kprobes: Fix probe parsing

2010-02-14 09:43:58 +01:00

.gitignore

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acct.c

bsdacct: fix uid/gid misreporting

2009-12-15 08:53:10 -08:00

async.c

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audit_tree.c

fix more leaks in audit_tree.c tag_chunk()

2009-12-19 09:27:43 -08:00

audit_watch.c

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audit.c

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audit.h

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auditfilter.c

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auditsc.c

Sanitize f_flags helpers

2009-12-22 12:27:34 -05:00

backtracetest.c

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bounds.c

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capability.c

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cgroup_freezer.c

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cgroup.c

sched, cgroups: Fix module export

2010-02-25 12:02:13 +01:00

compat.c

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configs.c

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cpu.c

sched: Correct printk whitespace in warning from cpu down task check

2010-01-28 06:59:55 +01:00

cpuset.c

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cred-internals.h

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cred.c

kernel/cred.c: use kmem_cache_free

2010-02-03 10:21:57 +11:00

delayacct.c

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dma.c

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exec_domain.c

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exit.c

sched: Use lockdep-based checking on rcu_dereference()

2010-02-25 10:34:26 +01:00

extable.c

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fork.c

sched: Use lockdep-based checking on rcu_dereference()

2010-02-25 10:34:26 +01:00

freezer.c

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futex_compat.c

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futex.c

futex: Handle futex value corruption gracefully

2010-02-03 15:13:22 +01:00

groups.c

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hrtimer.c

hrtimers: Convert to raw_spinlocks

2009-12-14 23:55:34 +01:00

hung_task.c

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hw_breakpoint.c

perf: Make bp_len type to u64 generic across the arch

2010-02-04 01:07:12 +01:00

itimer.c

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kallsyms.c

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Kconfig.freezer

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Kconfig.hz

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Kconfig.locks

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Kconfig.preempt

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kexec.c

Merge git://git.infradead.org/~dwmw2/mtd-2.6.33

2010-01-24 10:31:34 -08:00

kfifo.c

kfifo: Don't use integer as NULL pointer

2010-02-16 15:11:08 -08:00

kgdb.c

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

2010-02-04 16:07:41 -08:00

kmod.c

kmod: fix resource leak in call_usermodehelper_pipe()

2010-01-11 09:34:04 -08:00

kprobes.c

kprobes: Fix distinct type warning

2009-12-28 10:25:31 +01:00

ksysfs.c

kexec: premit reduction of the reserved memory size

2009-12-16 07:20:13 -08:00

kthread.c

sched: Move kthread_bind() back to kthread.c

2009-12-16 19:01:57 +01:00

latencytop.c

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lockdep_internals.h

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lockdep_proc.c

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lockdep_states.h

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lockdep.c

rcu: Make lockdep_rcu_dereference() message less alarmist

2010-02-26 08:20:46 +01:00

Makefile

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module.c

modules: Skip empty sections when exporting section notes

2010-01-06 01:11:29 -08:00

mutex-debug.c

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mutex-debug.h

locking: Implement new raw_spinlock

2009-12-14 23:55:32 +01:00

mutex.c

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mutex.h

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notifier.c

sched: Use lockdep-based checking on rcu_dereference()

2010-02-25 10:34:26 +01:00

ns_cgroup.c

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nsproxy.c

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panic.c

kmsg_dump: Dump on crash_kexec as well

2009-12-31 19:45:04 +00:00

params.c

tree-wide: convert open calls to remove spaces to skip_spaces() lib function

2009-12-15 08:53:32 -08:00

perf_event.c

perf_events: Fix FORK events

2010-02-14 18:10:39 +01:00

pid_namespace.c

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pid.c

sched: Use lockdep-based checking on rcu_dereference()

2010-02-25 10:34:26 +01:00

pm_qos_params.c

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posix-cpu-timers.c

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posix-timers.c

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printk.c

Merge git://git.infradead.org/~dwmw2/mtd-2.6.33

2010-01-24 10:31:34 -08:00

profile.c

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ptrace.c

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rcupdate.c

rcu: Make rcu_read_lock_sched_held() take boot time into account

2010-02-26 08:20:46 +01:00

rcutiny.c

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rcutorture.c

rcu: Fix rcutorture mod_timer argument to delay one jiffy

2010-02-25 10:35:00 +01:00

rcutree_plugin.h

rcu: Add RCU_CPU_STALL_VERBOSE to dump detailed per-task information

2010-02-25 10:35:02 +01:00

rcutree_trace.c

rcu: Stop overflowing signed integers

2010-02-25 10:34:57 +01:00

rcutree.c

rcu: Make rcu_read_lock_sched_held() take boot time into account

2010-02-26 08:20:46 +01:00

rcutree.h

rcu: Add RCU_CPU_STALL_VERBOSE to dump detailed per-task information

2010-02-25 10:35:02 +01:00

relay.c

const: constify remaining pipe_buf_operations

2009-12-16 07:20:05 -08:00

res_counter.c

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resource.c

resources: fix call to alignf() in allocate_resource()

2009-12-21 10:42:29 -08:00

rtmutex_common.h

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rtmutex-debug.c

sched: Convert pi_lock to raw_spinlock

2009-12-14 23:55:33 +01:00

rtmutex-debug.h

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rtmutex-tester.c

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rtmutex.c

rtmutes: Convert rtmutex.lock to raw_spinlock

2009-12-14 23:55:33 +01:00

rtmutex.h

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rwsem.c

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sched_clock.c

sched: Fix cpu_clock() in NMIs, on !CONFIG_HAVE_UNSTABLE_SCHED_CLOCK

2009-12-15 09:04:36 +01:00

sched_cpupri.c

sched: Convert cpupri lock to raw_spinlock

2009-12-14 23:55:33 +01:00

sched_cpupri.h

sched: Convert cpupri lock to raw_spinlock

2009-12-14 23:55:33 +01:00

sched_debug.c

sched: Convert rq->lock to raw_spinlock

2009-12-14 23:55:33 +01:00

sched_fair.c

sched: Fix vmark regression on big machines

2010-01-21 13:39:03 +01:00

sched_features.h

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sched_idletask.c

sched: Restore printk sanity

2009-12-20 19:05:02 +01:00

sched_rt.c

sched: Add pre and post wakeup hooks

2009-12-16 19:01:58 +01:00

sched_stats.h

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sched.c

sched: Better name for for_each_domain_rd

2010-02-25 10:34:47 +01:00

seccomp.c

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semaphore.c

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signal.c

kernel/signal.c: fix kernel information leak with print-fatal-signals=1

2010-01-11 09:34:05 -08:00

slow-work-debugfs.c

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slow-work.c

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slow-work.h

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smp.c

smp_call_function_any(): pass the node value to cpumask_of_node()

2010-01-16 12:15:39 -08:00

softirq.c

hrtimer, softirq: Fix hrtimer->softirq trampoline

2010-02-03 18:17:40 +01:00

softlockup.c

softlockup: Add sched_clock_tick() to avoid kernel warning on kgdb resume

2010-02-01 08:22:32 +01:00

spinlock.c

locking: Cleanup the name space completely

2009-12-14 23:55:33 +01:00

srcu.c

rcu: Introduce lockdep-based checking to RCU read-side primitives

2010-02-25 09:40:59 +01:00

stacktrace.c

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stop_machine.c

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sys_ni.c

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sys.c

kernel/sys.c: fix missing rcu protection for sys_getpriority()

2010-02-22 19:50:34 -08:00

sysctl_binary.c

SYSCTL: Print binary sysctl warnings (nearly) only once

2009-12-23 21:00:20 +01:00

sysctl_check.c

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sysctl.c

Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/security-testing-2.6

2009-12-17 16:58:26 -08:00

taskstats.c

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test_kprobes.c

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time.c

Revert "time: Remove xtime_cache"

2009-12-22 14:10:37 -08:00

timeconst.pl

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timer.c

perf: Fix perf_event_do_pending() fallback callsite

2010-01-21 13:40:39 +01:00

tracepoint.c

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tsacct.c

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uid16.c

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up.c

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user_namespace.c

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user-return-notifier.c

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user.c

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utsname_sysctl.c

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utsname.c

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wait.c

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workqueue.c

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