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Oleg Nesterov caa9ee771d [PATCH] rcu_process_callbacks: don't cli() while testing ->nxtlist 
__rcu_process_callbacks() disables interrupts to protect itself from
call_rcu() which adds new entries to ->nxtlist.

However we can check "->nxtlist != NULL" with interrupts enabled, we can't
get "false positives" because call_rcu() can only change this condition
from 0 to 1.

Tested with rcutorture.ko.

Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru>
Acked-by: Dipankar Sarma <dipankar@in.ibm.com>
Cc: "Paul E. McKenney" <paulmck@us.ibm.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
2006-03-24 07:33:20 -08:00
..
irq
[PATCH] kernel/: small cleanups
2006-01-08 20:13:48 -08:00
power
[PATCH] sem2mutex: kernel/
2006-03-23 07:38:10 -08:00
.gitignore
gitignore: ignore more generated files
2006-01-03 11:35:26 +01:00
acct.c
[PATCH] move capable() to capability.h
2006-01-11 18:42:13 -08:00
audit.c
[PATCH] EDAC: atomic scrub operations
2006-01-18 19:20:30 -08:00
auditsc.c
Merge ../powerpc-merge
2006-02-24 14:05:47 +11:00
capability.c
[PATCH] move capable() to capability.h
2006-01-11 18:42:13 -08:00
compat.c
[PATCH] remove bogus asm/bug.h includes.
2006-02-07 20:56:35 -05:00
configs.c
update the email address of Randy Dunlap
2006-01-03 13:37:51 +01:00
cpu.c
[PATCH] clean up lock_cpu_hotplug() in cpufreq
2005-11-28 14:42:23 -08:00
cpuset.c
[PATCH] kernel/cpuset.c, mutex conversion
2006-03-23 07:38:10 -08:00
dma.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
exec_domain.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
exit.c
[PATCH] sem2mutex: tty
2006-03-23 07:38:11 -08:00
extable.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
fork.c
[PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23
2006-03-23 20:00:26 +01:00
futex.c
[PATCH] FRV: Make futex code compilable on nommu [try #2]
2006-01-06 08:33:33 -08:00
hrtimer.c
[PATCH] fix next_timer_interrupt() for hrtimer
2006-03-06 18:40:44 -08:00
intermodule.c
[PATCH] missing license tag in intermodule
2006-02-05 11:06:52 -08:00
itimer.c
[PATCH] hrtimers: fix oldvalue return in setitimer
2006-02-01 08:53:12 -08:00
kallsyms.c
[PATCH] fix missing includes
2005-10-30 17:37:32 -08:00
Kconfig.hz
[PATCH] i386: Selectable Frequency of the Timer Interrupt
2005-06-23 09:45:10 -07:00
Kconfig.preempt
[PATCH] sched: voluntary kernel preemption
2005-06-25 16:24:45 -07:00
kexec.c
[PATCH] move capable() to capability.h
2006-01-11 18:42:13 -08:00
kfifo.c
[PATCH] gfp flags annotations - part 1
2005-10-08 15:00:57 -07:00
kmod.c
[PATCH] Keys: Get rid of warning in kmod.c if keys disabled
2005-10-30 17:37:23 -08:00
kprobes.c
[PATCH] sem2mutex: kprobes
2006-03-23 07:38:12 -08:00
ksysfs.c
[PATCH] kobject: fix build error if CONFIG_SYSFS=n
2006-03-20 13:42:57 -08:00
kthread.c
[PATCH] sem2mutex: kernel/
2006-03-23 07:38:10 -08:00
Makefile
[PATCH] relay: migrate from relayfs to a generic relay API
2006-03-23 19:56:55 +01:00
module.c
[PATCH] kernel/module.c Semaphore to Mutex Conversion for module_mutex
2006-03-23 07:38:14 -08:00
mutex-debug.c
[PATCH] fix/simplify mutex debugging code
2006-01-11 08:14:16 -08:00
mutex-debug.h
[PATCH] mutex subsystem, debugging code
2006-01-09 15:59:20 -08:00
mutex.c
[PATCH] mutex: trivial whitespace cleanups
2006-01-10 14:27:59 -08:00
mutex.h
[PATCH] mutex subsystem, core
2006-01-09 15:59:19 -08:00
panic.c
[PATCH] pause_on_oops command line option
2006-03-23 07:38:16 -08:00
params.c
[PATCH] fix module sysfs files reference counting
2006-03-20 13:42:58 -08:00
pid.c
[PATCH] RCU signal handling
2006-01-08 20:13:40 -08:00
posix-cpu-timers.c
[PATCH] hrtimer: switch clock_nanosleep to hrtimer nanosleep API
2006-01-10 08:01:38 -08:00
posix-timers.c
[PATCH] sem2mutex: kernel/
2006-03-23 07:38:10 -08:00
printk.c
correct email address of Manfred Spraul
2006-01-15 02:43:54 +01:00
profile.c
[PATCH] sem2mutex: kernel/
2006-03-23 07:38:10 -08:00
ptrace.c
[PATCH] fix zap_thread's ptrace related problems
2006-02-15 11:05:43 -08:00
rcupdate.c
[PATCH] rcu_process_callbacks: don't cli() while testing ->nxtlist
2006-03-24 07:33:20 -08:00
rcutorture.c
[PATCH] rcu_torture_lock deadlock fix
2006-01-31 11:30:18 -08:00
relay.c
[PATCH] relay: consolidate sendfile() and read() code
2006-03-23 19:58:45 +01:00
resource.c
[PATCH] kernel/resource.c: __check_region(): remove pointless __deprecated
2006-01-10 08:02:02 -08:00
sched.c
[PATCH] make bug messages more consistent
2006-03-23 07:38:16 -08:00
seccomp.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
signal.c
[PATCH] sigprocmask: kill unneeded temp var
2006-03-23 07:38:15 -08:00
softirq.c
[PATCH] on_each_cpu(): disable local interrupts
2006-03-22 07:53:59 -08:00
softlockup.c
[PATCH] quieten softlockup at boot
2005-11-09 07:55:50 -08:00
spinlock.c
[PATCH] BUILD_LOCK_OPS: cleanup preempt_disable() usage
2006-03-23 07:38:16 -08:00
stop_machine.c
[PATCH] Remove set_fs() in stop_machine()
2006-01-10 08:01:25 -08:00
sys_ni.c
[PATCH] Fix compile for CONFIG_SYSVIPC=n or CONFIG_SYSCTL=n
2006-02-20 20:00:11 -08:00
sys.c
[PATCH] sem2mutex: tty
2006-03-23 07:38:11 -08:00
sysctl.c
[PATCH] Range checking in do_proc_dointvec_(userhz_)jiffies_conv
2006-03-24 07:33:20 -08:00
time.c
[PATCH] Normalize timespec for negative values in ns_to_timespec
2006-02-03 08:32:06 -08:00
timer.c
[PATCH] time_interpolator: add __read_mostly
2006-03-17 07:51:25 -08:00
uid16.c
[PATCH] move capable() to capability.h
2006-01-11 18:42:13 -08:00
user.c
[PATCH] free_uid() locking improvement
2006-03-24 07:33:20 -08:00
wait.c
Linux-2.6.12-rc2
2005-04-16 15:20:36 -07:00
workqueue.c
[SCSI] add execute_in_process_context() API
2006-02-27 23:34:40 -06:00