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Tejun Heo 6dfca32984 job control: make task_clear_jobctl_pending() clear TRAPPING automatically ... JOBCTL_TRAPPING indicates that ptracer is waiting for tracee to (re)transit into TRACED. task_clear_jobctl_pending() must be called when either tracee enters TRACED or the transition is cancelled for some reason. The former is achieved by explicitly calling task_clear_jobctl_pending() in ptrace_stop() and the latter by calling it at the end of do_signal_stop(). Calling task_clear_jobctl_trapping() at the end of do_signal_stop() limits the scope TRAPPING can be used and is fragile in that seemingly unrelated changes to tracee's control flow can lead to stuck TRAPPING. We already have task_clear_jobctl_pending() calls on those cancelling events to clear JOBCTL_STOP_PENDING. Cancellations can be handled by making those call sites use JOBCTL_PENDING_MASK instead and updating task_clear_jobctl_pending() such that task_clear_jobctl_trapping() is called automatically if no stop/trap is pending. This patch makes the above changes and removes the fallback task_clear_jobctl_trapping() call from do_signal_stop(). Signed-off-by: Tejun Heo <tj@kernel.org> Signed-off-by: Oleg Nesterov <oleg@redhat.com>		14 years ago
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debug	Fix common misspellings	14 years ago
events	perf: Fix SIGIO handling	14 years ago
gcov	Merge branch 'trivial' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild-2.6	14 years ago
irq	irq: Remove smp_affinity_list when unregister irq proc	14 years ago
power	PM / Hibernate: Update kerneldoc comments in hibernate.c	14 years ago
time	hrtimers: Avoid touching inactive timer bases	14 years ago
trace	ftrace: Add internal recursive checks	14 years ago
.gitignore	…
Kconfig.freezer	…
Kconfig.hz	…
Kconfig.locks	arch:Kconfig.locks Remove unused config option.	14 years ago
Kconfig.preempt	…
Makefile	cgroup: remove the ns_cgroup	14 years ago
acct.c	…
async.c	…
audit.c	netlink: kill loginuid/sessionid/sid members from struct netlink_skb_parms	14 years ago
audit.h	audit: make functions static	14 years ago
audit_tree.c	Fix common misspellings	14 years ago
audit_watch.c	kill path_lookup()	14 years ago
auditfilter.c	netlink: kill loginuid/sessionid/sid members from struct netlink_skb_parms	14 years ago
auditsc.c	audit: acquire creds selectively to reduce atomic op overhead	14 years ago
backtracetest.c	…
bounds.c	memcg: remove direct page_cgroup-to-page pointer	14 years ago
capability.c	Merge branch 'master' into next	14 years ago
cgroup.c	cgroup: remove the ns_cgroup	14 years ago
cgroup_freezer.c	cgroups: add per-thread subsystem callbacks	14 years ago
compat.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile	14 years ago
configs.c	llseek: automatically add .llseek fop	15 years ago
cpu.c	Fix common misspellings	14 years ago
cpuset.c	cpuset: Fix cpuset_cpus_allowed_fallback(), don't update tsk->rt.nr_cpus_allowed	14 years ago
crash_dump.c	crash_dump: export is_kdump_kernel to modules, consolidate elfcorehdr_addr, setup_elfcorehdr and saved_max_pfn	14 years ago
cred.c	Merge branch 'docs-move' of git://git.kernel.org/pub/scm/linux/kernel/git/rdunlap/linux-docs	14 years ago
delayacct.c	…
dma.c	…
elfcore.c	…
exec_domain.c	…
exit.c	Merge branch 'ptrace' of git://git.kernel.org/pub/scm/linux/kernel/git/oleg/misc	14 years ago
extable.c	extable, core_kernel_data(): Make sure all archs define _sdata	14 years ago
fork.c	mm: Fix boot crash in mm_alloc()	14 years ago
freezer.c	Freezer: Use SMP barriers	14 years ago
futex.c	futex: Set FLAGS_HAS_TIMEOUT during futex_wait restart setup	14 years ago
futex_compat.c	userns: user namespaces: convert several capable() calls	14 years ago
groups.c	userns: user namespaces: convert several capable() calls	14 years ago
hrtimer.c	hrtimers: Fix typo causing erratic timers	14 years ago
hung_task.c	watchdog, hung_task_timeout: Add Kconfig configurable default	14 years ago
irq_work.c	irq_work: Use per cpu atomics instead of regular atomics	14 years ago
itimer.c	…
jump_label.c	jump_label: Check entries limit in __jump_label_update	14 years ago
kallsyms.c	Merge branch 'core-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	14 years ago
kexec.c	PM: Remove sysdev suspend, resume and shutdown operations	14 years ago
kfifo.c	kfifo: fix scatterlist usage	15 years ago
kmod.c	Merge branch 'next' into for-linus	14 years ago
kprobes.c	Merge branch 'for-2.6.38' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu	14 years ago
ksysfs.c	kernel/ksysfs.c: expose file_caps_enabled in sysfs	14 years ago
kthread.c	cpuset: Fix cpuset_cpus_allowed_fallback(), don't update tsk->rt.nr_cpus_allowed	14 years ago
latencytop.c	Fix common misspellings	14 years ago
lockdep.c	lockdep: Remove cmpxchg to update nr_chain_hlocks	14 years ago
lockdep_internals.h	…
lockdep_proc.c	lockdep: Remove unused 'factor' variable from lockdep_stats_show()	14 years ago
lockdep_states.h	…
module.c	Merge branch 'staging-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/staging-2.6	14 years ago
mutex-debug.c	mutex: Use p->on_cpu for the adaptive spin	14 years ago
mutex-debug.h	mutex: Use p->on_cpu for the adaptive spin	14 years ago
mutex.c	lockdep, mutex: provide mutex_lock_nest_lock	14 years ago
mutex.h	mutex: Use p->on_cpu for the adaptive spin	14 years ago
notifier.c	…
nsproxy.c	cgroup: remove the ns_cgroup	14 years ago
padata.c	Fix common misspellings	14 years ago
panic.c	move x86 specific oops=panic to generic code	14 years ago
params.c	params.c: Use new strtobool function to process boolean inputs	14 years ago
pid.c	next_pidmap: fix overflow condition	14 years ago
pid_namespace.c	pidns: call pid_ns_prepare_proc() from create_pid_namespace()	14 years ago
pm_qos_params.c	Merge branch 'idle-release' of git://git.kernel.org/pub/scm/linux/kernel/git/lenb/linux-idle-2.6	14 years ago
posix-cpu-timers.c	hrtimers: Avoid touching inactive timer bases	14 years ago
posix-timers.c	posix-timers: RCU conversion	14 years ago
printk.c	printk: allocate kernel log buffer earlier	14 years ago
profile.c	kernel/profile.c: remove some duplicate code from profile_hits()	14 years ago
ptrace.c	ptrace: ptrace_check_attach(): rename @kill to @ignore_state and add comments	14 years ago
range.c	kernel/range.c: fix clean_sort_range() for the case of full array	14 years ago
rcupdate.c	rcu: Use WARN_ON_ONCE for DEBUG_OBJECTS_RCU_HEAD warnings	14 years ago
rcutiny.c	sanitize <linux/prefetch.h> usage	14 years ago
rcutiny_plugin.h	rcu: Converge TINY_RCU expedited and normal boosting	14 years ago
rcutorture.c	rcu: mark rcutorture boosting callback as being on-stack	14 years ago
rcutree.c	rcu: Cure load woes	14 years ago
rcutree.h	rcu: Remove waitqueue usage for cpu, node, and boost kthreads	14 years ago
rcutree_plugin.h	rcu: Cure load woes	14 years ago
rcutree_trace.c	rcu: Decrease memory-barrier usage based on semi-formal proof	14 years ago
relay.c	Clean up relay_alloc_page_array() slightly by using vzalloc rather than vmalloc and memset	14 years ago
res_counter.c	memcg: res_counter_read_u64(): fix potential races on 32-bit machines	14 years ago
resource.c	resources: add arch hook for preventing allocation in reserved areas	14 years ago
rtmutex-debug.c	rtmutex: Simplify PI algorithm and make highest prio task get lock	14 years ago
rtmutex-debug.h	…
rtmutex-tester.c	rtmutex: tester: Remove the remaining BKL leftovers	14 years ago
rtmutex.c	rtmutex: Simplify PI algorithm and make highest prio task get lock	14 years ago
rtmutex.h	…
rtmutex_common.h	rtmutex: Simplify PI algorithm and make highest prio task get lock	14 years ago
rwsem.c	…
sched.c	cpuset: Fix cpuset_cpus_allowed_fallback(), don't update tsk->rt.nr_cpus_allowed	14 years ago
sched_autogroup.c	Fix common misspellings	14 years ago
sched_autogroup.h	sched, autogroup: Stop going ahead if autogroup is disabled	14 years ago
sched_clock.c	sched: Add some clock info to sched_debug	14 years ago
sched_cpupri.c	…
sched_cpupri.h	…
sched_debug.c	sched: Get rid of lock_depth	14 years ago
sched_fair.c	sched: Fix ->min_vruntime calculation in dequeue_entity()	14 years ago
sched_features.h	sched: Move the second half of ttwu() to the remote cpu	14 years ago
sched_idletask.c	sched: Drop the rq argument to sched_class::select_task_rq()	14 years ago
sched_rt.c	sched: More sched_domain iterations fixes	14 years ago
sched_stats.h	sched: More sched_domain iterations fixes	14 years ago
sched_stoptask.c	sched: Drop the rq argument to sched_class::select_task_rq()	14 years ago
seccomp.c	…
semaphore.c	…
signal.c	job control: make task_clear_jobctl_pending() clear TRAPPING automatically	14 years ago
smp.c	smp: move smp setup functions to kernel/smp.c	14 years ago
softirq.c	rcu: move TREE_RCU from softirq to kthread	14 years ago
spinlock.c	…
srcu.c	rcu: demote SRCU_SYNCHRONIZE_DELAY from kernel-parameter status	14 years ago
stacktrace.c	…
stop_machine.c	kthread: use kthread_create_on_node()	14 years ago
sys.c	Merge branch 'driver-core-next' of git://git.kernel.org/pub/scm/linux/kernel/git/gregkh/driver-core-2.6	14 years ago
sys_ni.c	ipc: Add missing sys_ni entries for ipc/compat.c functions	14 years ago
sysctl.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/cmetcalf/linux-tile	14 years ago
sysctl_binary.c	open-style analog of vfs_path_lookup()	14 years ago
sysctl_check.c	sysctl_check: drop dead code	14 years ago
taskstats.c	taskstats: use appropriate printk priority level	14 years ago
test_kprobes.c	kprobes: Fix selftest to clear flags field for reusing probes	15 years ago
time.c	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	14 years ago
timeconst.pl	…
timer.c	Merge branch 'timers-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip	14 years ago
tracepoint.c	jump label: Introduce static_branch() interface	14 years ago
tsacct.c	taskstats: use real microsecond granularity for CPU times	14 years ago
uid16.c	userns: user namespaces: convert several capable() calls	14 years ago
up.c	…
user-return-notifier.c	Fix common misspellings	14 years ago
user.c	userns: add a user_namespace as creator/owner of uts_namespace	14 years ago
user_namespace.c	user_ns: improve the user_ns on-the-slab packaging	14 years ago
utsname.c	ns proc: Add support for the uts namespace	14 years ago
utsname_sysctl.c	…
wait.c	Fix common misspellings	14 years ago
watchdog.c	kernel/watchdog.c: Use proper ANSI C prototypes	14 years ago
workqueue.c	Merge branch 'for-2.6.40' of git://git.kernel.org/pub/scm/linux/kernel/git/tj/percpu	14 years ago
workqueue_sched.h	…