Repository files (latest commit first)

Filename	Latest commit message	Latest commit date
Oleg Nesterov 10ab825bde change kernel threads to ignore signals instead of blocking them ... Currently kernel threads use sigprocmask(SIG_BLOCK) to protect against signals. This doesn't prevent the signal delivery, this only blocks signal_wake_up(). Every "killall -33 kthreadd" means a "struct siginfo" leak. Change kthreadd_setup() to set all handlers to SIG_IGN instead of blocking them (make a new helper ignore_signals() for that). If the kernel thread needs some signal, it should use allow_signal() anyway, and in that case it should not use CLONE_SIGHAND. Note that we can't change daemonize() (should die!) in the same way, because it can be used along with CLONE_SIGHAND. This means that allow_signal() still should unblock the signal to work correctly with daemonize()ed threads. However, disallow_signal() doesn't block the signal any longer but ignores it. NOTE: with or without this patch the kernel threads are not protected from handle_stop_signal(), this seems harmless, but not good. Signed-off-by: Oleg Nesterov <oleg@tv-sign.ru> Acked-by: "Eric W. Biederman" <ebiederm@xmission.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2007-05-09 12:30:53 -07:00
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irq
power
time
.gitignore
acct.c
audit.c
audit.h
auditfilter.c
auditsc.c
capability.c
compat.c
configs.c
cpu.c
cpuset.c
delayacct.c
die_notifier.c
dma.c
exec_domain.c
exit.c	change kernel threads to ignore signals instead of blocking them	2007-05-09 12:30:53 -07:00
extable.c
fork.c
futex.c
futex_compat.c
hrtimer.c
itimer.c
kallsyms.c
Kconfig.hz
Kconfig.preempt
kexec.c
kfifo.c
kmod.c
kprobes.c
ksysfs.c
kthread.c	change kernel threads to ignore signals instead of blocking them	2007-05-09 12:30:53 -07:00
latency.c
lockdep.c
lockdep_internals.h
lockdep_proc.c
Makefile
module.c
mutex-debug.c
mutex-debug.h
mutex.c
mutex.h
nsproxy.c
panic.c
params.c
pid.c
posix-cpu-timers.c
posix-timers.c
printk.c
profile.c
ptrace.c
rcupdate.c
rcutorture.c
relay.c
resource.c
rtmutex-debug.c
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c
rtmutex.h
rtmutex_common.h
rwsem.c
sched.c
seccomp.c
signal.c	change kernel threads to ignore signals instead of blocking them	2007-05-09 12:30:53 -07:00
softirq.c
softlockup.c
spinlock.c
srcu.c
stacktrace.c
stop_machine.c
sys.c
sys_ni.c
sysctl.c
taskstats.c
time.c
timer.c
tsacct.c
uid16.c
user.c
utsname.c
utsname_sysctl.c
wait.c
workqueue.c