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

…

power

[PATCH] sem2mutex: kernel/

2006-03-23 07:38:10 -08:00

.gitignore

…

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

…

cpu.c

…

cpuset.c

[PATCH] kernel/cpuset.c, mutex conversion

2006-03-23 07:38:10 -08:00

dma.c

…

exec_domain.c

…

exit.c

[PATCH] sem2mutex: tty

2006-03-23 07:38:11 -08:00

extable.c

…

fork.c

[PATCH] Block queue IO tracing support (blktrace) as of 2006-03-23

2006-03-23 20:00:26 +01:00

futex.c

…

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

…

Kconfig.hz

…

Kconfig.preempt

…

kexec.c

[PATCH] move capable() to capability.h

2006-01-11 18:42:13 -08:00

kfifo.c

…

kmod.c

…

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

…

mutex.c

[PATCH] mutex: trivial whitespace cleanups

2006-01-10 14:27:59 -08:00

mutex.h

…

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

…

posix-cpu-timers.c

…

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

…

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

…

spinlock.c

[PATCH] BUILD_LOCK_OPS: cleanup preempt_disable() usage

2006-03-23 07:38:16 -08:00

stop_machine.c

…

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

…

workqueue.c

[SCSI] add execute_in_process_context() API

2006-02-27 23:34:40 -06:00