Oleg Nesterov edaba2c533 ptrace: revert "ptrace_detach: the wrong wakeup breaks the ERESTARTxxx logic" ... Commit 95a3540da9 ("ptrace_detach: the wrong wakeup breaks the ERESTARTxxx logic") removed the "extra" wake_up_process() from ptrace_detach(), but as Jan pointed out this breaks the compatibility. I believe the changelog is right and this wake_up() is wrong in many ways, but GDB assumes that ptrace(PTRACE_DETACH, child, 0, 0) always wakes up the tracee. Despite the fact this breaks SIGNAL_STOP_STOPPED/group_stop_count logic, and despite the fact this wake_up_process() can break another assumption: PTRACE_DETACH with SIGSTOP should leave the tracee in TASK_STOPPED case. Because the untraced child can dequeue SIGSTOP and call do_signal_stop() before ptrace_detach() calls wake_up_process(). Revert this change for now. We need some fixes even if we we want to keep the current behaviour, but these fixes are not for 2.6.30. Signed-off-by: Oleg Nesterov <oleg@redhat.com> Acked-by: Roland McGrath <roland@redhat.com> Cc: Jan Kratochvil <jan.kratochvil@redhat.com> Cc: Denys Vlasenko <dvlasenk@redhat.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2009-06-04 18:07:40 -07:00
..
irq	Revert "genirq: assert that irq handlers are indeed running in hardirq context"	2009-05-01 15:16:04 +02:00
power	PM: Do not hold dpm_list_mtx while disabling/enabling nonboot CPUs	2009-05-24 21:15:07 +02:00
time	clockevents: prevent endless loop in tick_handle_periodic()	2009-05-02 10:22:27 +02:00
trace	tracing: Append prompt in /debug/tracing/README file	2009-05-15 19:43:22 +02:00
.gitignore
acct.c
async.c	async: make sure independent async domains can't accidentally entangle	2009-05-24 13:38:41 -07:00
audit_tree.c	No need for crossing to mountpoint in audit_tag_tree()	2009-04-20 23:01:15 -04:00
audit.c	Audit: remove spaces from audit_log_d_path	2009-04-05 13:49:04 -04:00
audit.h
auditfilter.c	inotify: use GFP_NOFS in kernel_event() to work around a lockdep false-positive	2009-05-06 16:36:09 -07:00
auditsc.c	Audit: remove spaces from audit_log_d_path	2009-04-05 13:49:04 -04:00
backtracetest.c
bounds.c
capability.c
cgroup_debug.c
cgroup_freezer.c
cgroup.c	Convert obvious places to deactivate_locked_super()	2009-05-09 10:49:40 -04:00
compat.c
configs.c
cpu.c
cpuset.c
cred-internals.h
cred.c
delayacct.c
dma-coherent.c
dma.c
exec_domain.c
exit.c	Merge branch 'irq/threaded' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2009-04-07 14:07:52 -07:00
extable.c	Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2009-04-05 11:04:19 -07:00
fork.c	ptrace: tracehook_report_clone: fix false positives	2009-06-04 18:07:40 -07:00
freezer.c
futex_compat.c
futex.c	futex: setup writeable mapping for futex ops which modify user space data	2009-05-19 23:36:52 +02:00
hrtimer.c
hung_task.c
itimer.c
kallsyms.c
Kconfig.freezer
Kconfig.hz
Kconfig.preempt
kexec.c	PM: Do not hold dpm_list_mtx while disabling/enabling nonboot CPUs	2009-05-24 21:15:07 +02:00
kfifo.c
kgdb.c	sysrq, intel_fb: fix sysrq g collision	2009-05-15 07:56:24 -05:00
kmod.c	kmod: Release sub_info on cred allocation failure.	2009-05-26 12:11:19 -07:00
kprobes.c	kprobes: fix to use text_mutex around arm/disarm kprobe	2009-05-08 16:23:48 -07:00
ksysfs.c
kthread.c	kthread: move sched-realeted initialization from kthreadd context	2009-04-09 09:50:37 +09:30
latencytop.c
lockdep_internals.h	lockdep: increase MAX_LOCKDEP_ENTRIES and MAX_LOCKDEP_CHAINS	2009-05-12 19:59:52 +02:00
lockdep_proc.c
lockdep_states.h
lockdep.c	lockdep: more robust lockdep_map init sequence	2009-04-17 18:00:00 +02:00
Makefile	Merge branch 'linus' into core/softlockup	2009-04-07 11:15:40 +02:00
marker.c
module.c	async: Fix module loading async-work regression	2009-04-11 12:44:49 -07:00
mutex-debug.c
mutex-debug.h
mutex.c	mutex: have non-spinning mutexes on s390 by default	2009-04-09 19:28:24 +02:00
mutex.h
notifier.c
ns_cgroup.c
nsproxy.c
panic.c	Fix caller information for warn_slowpath_null	2009-05-16 13:41:28 -07:00
params.c
pid_namespace.c
pid.c
pm_qos_params.c
posix-cpu-timers.c	kernel/posix-cpu-timers.c: fix sparse warning	2009-04-30 08:08:31 +02:00
posix-timers.c
printk.c
profile.c
ptrace.c	ptrace: revert "ptrace_detach: the wrong wakeup breaks the ERESTARTxxx logic"	2009-06-04 18:07:40 -07:00
rcuclassic.c
rcupdate.c	RCU: Don't try and predeclare inline funcs as it upsets some versions of gcc	2009-04-15 13:55:14 -07:00
rcupreempt_trace.c
rcupreempt.c
rcutorture.c
rcutree_trace.c	rcu: Make hierarchical RCU less IPI-happy	2009-04-14 11:31:50 +02:00
rcutree.c	rcu: Make hierarchical RCU less IPI-happy	2009-04-14 11:31:50 +02:00
rcutree.h
relay.c	Merge branch 'tracing-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2009-04-05 11:04:19 -07:00
res_counter.c
resource.c	Remove 'recurse into child resources' logic from 'reserve_region_with_split()'	2009-04-18 21:44:24 -07:00
rtmutex_common.h
rtmutex-debug.c
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c
rtmutex.h
rwsem.c
sched_clock.c	sched: Fix fallback sched_clock()'s offset when using jiffies	2009-05-09 10:08:19 +02:00
sched_cpupri.c
sched_cpupri.h
sched_debug.c
sched_fair.c
sched_features.h
sched_idletask.c
sched_rt.c	Merge commit 'v2.6.30-rc1' into sched/urgent	2009-04-08 17:26:00 +02:00
sched_stats.h
sched.c	sched: account system time properly	2009-04-29 15:02:28 +02:00
seccomp.c
semaphore.c
signal.c
slow-work.c	Delete slow-work timers properly	2009-04-24 07:47:59 -07:00
smp.c
softirq.c	kernel/softirq.c: fix sparse warning	2009-04-17 01:57:54 +02:00
softlockup.c
spinlock.c
srcu.c
stacktrace.c
stop_machine.c
sys_ni.c
sys.c	kernel/sys.c: clean up sys_shutdown exit path	2009-04-13 15:04:32 -07:00
sysctl_check.c
sysctl.c	Revert "mm: add /proc controls for pdflush threads"	2009-05-15 11:32:24 +02:00
taskstats.c
test_kprobes.c
time.c
timeconst.pl
timer.c	Merge branches 'core-fixes-for-linus', 'irq-fixes-for-linus' and 'timers-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	2009-04-09 10:35:30 -07:00
tracepoint.c
tsacct.c
uid16.c
up.c
user_namespace.c
user.c
utsname_sysctl.c
utsname.c
wait.c
workqueue.c	work_on_cpu(): rewrite it to create a kernel thread on demand	2009-04-09 09:50:37 +09:30