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Linus Torvalds 093a07e2fd Fix locking bug in "acquire_console_semaphore_for_printk()" ... When I cleaned up printk() and split up the printk locking logic in commit 266c2e0abe ("Make printk() console semaphore accesses sensible") I had incorrectly moved the call to have_callable_console() outside of the console semaphore. That was buggy. The console semaphore protects the console_drivers list that is used by have_callable_console(). Thanks go to Bongani Hlope who saw this as a hang on shutdown and reboot and bisected the bug to the right commit, and tested this patch. See http://lkml.org/lkml/2008/4/11/315 Bisected-and-tested-by: Bongani Hlope <bonganilinux@mweb.co.za> Cc: Alexey Dobriyan <adobriyan@gmail.com> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		17 years ago
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irq	…
power	…
time	clocksource: revert: use init_timer_deferrable for clocksource_watchdog	17 years ago
.gitignore	…
Kconfig.hz	…
Kconfig.preempt	…
Makefile	…
acct.c	bsd_acct: using task_struct->tgid is not right in pid-namespaces	17 years ago
audit.c	audit: silence two kerneldoc warnings in kernel/audit.c	17 years ago
audit.h	…
audit_tree.c	…
auditfilter.c	…
auditsc.c	…
backtracetest.c	…
capability.c	…
cgroup.c	cgroups: include hierarchy ids in /proc/<pid>/cgroup	17 years ago
cgroup_debug.c	…
compat.c	…
configs.c	…
cpu.c	…
cpuset.c	…
delayacct.c	…
dma.c	…
exec_domain.c	…
exit.c	asmlinkage_protect replaces prevent_tail_call	17 years ago
extable.c	…
fork.c	memcgroup: fix spurious EBUSY on memory cgroup removal	17 years ago
futex.c	NULL noise: fs/*, mm/*, kernel/*	17 years ago
futex_compat.c	futex_compat __user annotation	17 years ago
hrtimer.c	…
itimer.c	…
kallsyms.c	…
kexec.c	…
kfifo.c	…
kmod.c	…
kprobes.c	…
ksysfs.c	…
kthread.c	…
latencytop.c	…
lockdep.c	…
lockdep_internals.h	…
lockdep_proc.c	…
marker.c	markers: use synchronize_sched()	17 years ago
module.c	…
mutex-debug.c	…
mutex-debug.h	…
mutex.c	…
mutex.h	…
notifier.c	…
ns_cgroup.c	…
nsproxy.c	…
panic.c	…
params.c	…
pid.c	…
pid_namespace.c	…
pm_qos_params.c	…
posix-cpu-timers.c	…
posix-timers.c	…
printk.c	Fix locking bug in "acquire_console_semaphore_for_printk()"	17 years ago
profile.c	…
ptrace.c	…
rcuclassic.c	…
rcupdate.c	…
rcupreempt.c	…
rcupreempt_trace.c	…
rcutorture.c	…
relay.c	relay: set an spd_release() hook for splice	17 years ago
res_counter.c	…
resource.c	…
rtmutex-debug.c	…
rtmutex-debug.h	…
rtmutex-tester.c	…
rtmutex.c	…
rtmutex.h	…
rtmutex_common.h	…
rwsem.c	…
sched.c	NOHZ: reevaluate idle sleep length after add_timer_on()	17 years ago
sched_debug.c	…
sched_fair.c	revert "sched: fix fair sleepers"	17 years ago
sched_idletask.c	…
sched_rt.c	…
sched_stats.h	…
seccomp.c	…
signal.c	…
softirq.c	…
softlockup.c	…
spinlock.c	…
srcu.c	…
stacktrace.c	…
stop_machine.c	…
sys.c	…
sys_ni.c	…
sysctl.c	…
sysctl_check.c	…
taskstats.c	…
test_kprobes.c	…
time.c	…
timeconst.pl	…
timer.c	NOHZ: reevaluate idle sleep length after add_timer_on()	17 years ago
tsacct.c	…
uid16.c	asmlinkage_protect replaces prevent_tail_call	17 years ago
user.c	…
user_namespace.c	…
utsname.c	…
utsname_sysctl.c	…
wait.c	…
workqueue.c	…