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7a238fcba0
linux/kernel
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Serge E. Hallyn 7a238fcba0 [PATCH] namespaces: fix exit race by splitting exit 
Fix exit race by splitting the nsproxy putting into two pieces.  First
piece reduces the nsproxy refcount.  If we dropped the last reference, then
it puts the mnt_ns, and returns the nsproxy as a hint to the caller.  Else
it returns NULL.  The second piece of exiting task namespaces sets
tsk->nsproxy to NULL, and drops the references to other namespaces and
frees the nsproxy only if an nsproxy was passed in.

A little awkward and should probably be reworked, but hopefully it fixes
the NFS oops.

Signed-off-by: Serge E. Hallyn <serue@us.ibm.com>
Cc: Herbert Poetzl <herbert@13thfloor.at>
Cc: Oleg Nesterov <oleg@tv-sign.ru>
Cc: "Eric W. Biederman" <ebiederm@xmission.com>
Cc: Cedric Le Goater <clg@fr.ibm.com>
Cc: Daniel Hokka Zakrisson <daniel@hozac.com>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
2007-01-30 08:26:44 -08:00
..
irq Clear spurious irq stat information when adding irq handler 2007-01-23 14:16:31 -08:00
power [PATCH] swsusp: Do not fail if resume device is not set 2007-01-05 23:55:22 -08:00
time [PATCH] clocksource: small cleanup 2006-12-10 09:57:22 -08:00
.gitignore
acct.c [PATCH] kernel: change uses of f_{dentry, vfsmnt} to use f_path 2006-12-08 08:28:42 -08:00
audit.c
audit.h
auditfilter.c [PATCH] audit: fix kstrdup() error check 2006-12-22 08:55:49 -08:00
auditsc.c [PATCH] struct path: convert kernel 2006-12-08 08:28:46 -08:00
capability.c
compat.c
configs.c
cpu.c [PATCH] Change cpu_up and co from __devinit to __cpuinit 2007-01-11 18:18:20 -08:00
cpuset.c [PATCH] cpuset procfs warning fix 2006-12-30 10:56:43 -08:00
delayacct.c
dma.c
exec_domain.c
exit.c [PATCH] namespaces: fix exit race by splitting exit 2007-01-30 08:26:44 -08:00
extable.c
fork.c [PATCH] namespaces: fix exit race by splitting exit 2007-01-30 08:26:44 -08:00
futex_compat.c
futex.c [PATCH] kernel: change uses of f_{dentry, vfsmnt} to use f_path 2006-12-08 08:28:42 -08:00
hrtimer.c
itimer.c
kallsyms.c [PATCH] move kallsyms data to .rodata 2006-12-08 08:28:37 -08:00
Kconfig.hz
Kconfig.preempt
kexec.c
kfifo.c
kmod.c [PATCH] rename struct namespace to struct mnt_namespace 2006-12-08 08:28:51 -08:00
kprobes.c
ksysfs.c
kthread.c
latency.c
lockdep_internals.h
lockdep_proc.c
lockdep.c [PATCH] lockdep: printk warning fix 2006-12-30 10:56:43 -08:00
Makefile Remove stack unwinder for now 2006-12-15 08:47:51 -08:00
module.c [PATCH] Driver core: Fix prefix driver links in /sys/module by bus-name 2007-01-05 12:33:38 -08:00
mutex-debug.c
mutex-debug.h
mutex.c [PATCH] lockdep: avoid lockdep warning in md 2006-12-08 08:28:39 -08:00
mutex.h
nsproxy.c [PATCH] namespaces: fix exit race by splitting exit 2007-01-30 08:26:44 -08:00
panic.c
params.c [PATCH] kernelparams: detect if and which parameter parsing enabled irq's 2007-01-05 23:55:21 -08:00
pid.c [PATCH] add child reaper to pid_namespace 2006-12-08 08:28:52 -08:00
posix-cpu-timers.c
posix-timers.c
printk.c [PATCH] make kernel/printk.c:ignore_loglevel_setup() static 2006-12-22 08:55:47 -08:00
profile.c [PATCH] fix "kvm: add vm exit profiling" 2007-01-23 07:52:05 -08:00
ptrace.c
rcupdate.c
rcutorture.c [PATCH] rcu: rcutorture suspend fix 2006-12-30 10:55:55 -08:00
relay.c [PATCH] relay: remove inlining 2006-12-22 08:55:51 -08:00
resource.c
rtmutex_common.h
rtmutex-debug.c
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c
rtmutex.h
rwsem.c
sched.c [PATCH] sched: tasks cannot run on cpus onlined after boot 2007-01-11 18:18:20 -08:00
seccomp.c
signal.c [PATCH] PM: Fix freezing of stopped tasks 2006-12-13 09:05:49 -08:00
softirq.c
softlockup.c
spinlock.c
srcu.c
stacktrace.c
stop_machine.c
sys_ni.c
sys.c [PATCH] notifiers: fix blocking_notifier_call_chain() scalability 2007-01-23 11:08:03 -08:00
sysctl.c [PATCH] debug: add sysrq_always_enabled boot option 2006-12-13 09:05:50 -08:00
taskstats.c
time.c
timer.c [PATCH] schedule_timeout(): improve warning message 2006-12-22 08:55:49 -08:00
tsacct.c [PATCH] io-accounting: via taskstats 2006-12-10 09:55:41 -08:00
uid16.c
user.c
utsname.c
wait.c
workqueue.c [PATCH] fix kernel-doc warnings in 2.6.20-rc1 2006-12-22 08:55:47 -08:00