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>		2008-04-15 13:09:54 -07:00
..
irq	genirq: do not leave interupts enabled on free_irq	2008-02-19 10:43:58 +01:00
power	Merge branches 'release' and 'doc' into release	2008-03-13 01:59:53 -04:00
time	clocksource: revert: use init_timer_deferrable for clocksource_watchdog	2008-03-25 20:13:25 +01:00
.gitignore	Update kernel/.gitignore with new auto-generated files	2008-02-09 23:27:01 -08:00
acct.c	bsd_acct: using task_struct->tgid is not right in pid-namespaces	2008-03-24 19:22:20 -07:00
audit_tree.c	Introduce path_put()	2008-02-14 21:13:33 -08:00
audit.c	audit: silence two kerneldoc warnings in kernel/audit.c	2008-03-28 14:45:21 -07:00
audit.h
auditfilter.c	Introduce path_put()	2008-02-14 21:13:33 -08:00
auditsc.c	[PATCH] Audit: Fix the format type for size_t variables	2008-03-01 07:16:06 -05:00
backtracetest.c
capability.c
cgroup_debug.c
cgroup.c	cgroups: include hierarchy ids in /proc/<pid>/cgroup	2008-04-11 08:06:43 -07:00
compat.c	hrtimer: don't modify restart_block->fn in restart functions	2008-02-10 10:48:03 +01:00
configs.c
cpu.c	cpu: fix section mismatch warnings for enable_nonboot_cpus	2008-02-08 09:22:41 -08:00
cpuset.c	cpusets: fix obsolete comment	2008-03-05 17:53:33 -08:00
delayacct.c
dma.c
exec_domain.c
exit.c	asmlinkage_protect replaces prevent_tail_call	2008-04-10 17:28:26 -07:00
extable.c
fork.c	memcgroup: fix spurious EBUSY on memory cgroup removal	2008-03-28 14:45:21 -07:00
futex_compat.c	futex_compat __user annotation	2008-03-30 14:18:41 -07:00
futex.c	NULL noise: fs/*, mm/*, kernel/*	2008-03-30 14:18:41 -07:00
hrtimer.c	hrtimer: catch expired CLOCK_REALTIME timers early	2008-02-14 22:08:30 +01:00
itimer.c	ITIMER_REAL: convert to use struct pid	2008-02-08 09:22:29 -08:00
kallsyms.c
Kconfig.hz
Kconfig.preempt	rcu: move PREEMPT_RCU config option back under PREEMPT	2008-03-10 18:01:20 -07:00
kexec.c	vmcoreinfo: add "VMCOREINFO_" to all the call for vmcoreinfo_append_str()	2008-02-07 08:42:25 -08:00
kfifo.c
kmod.c	Dont touch fs_struct in usermodehelper	2008-02-14 21:13:32 -08:00
kprobes.c	kprobes: fix a null pointer bug in register_kretprobe()	2008-03-04 16:35:19 -08:00
ksysfs.c
kthread.c
latencytop.c
lockdep_internals.h
lockdep_proc.c
lockdep.c	Subject: lockdep: include all lock classes in all_lock_classes	2008-02-25 23:03:02 +01:00
Makefile	avoid overflows in kernel/time.c	2008-02-08 09:22:39 -08:00
marker.c	markers: use synchronize_sched()	2008-04-02 15:28:19 -07:00
module.c	modules: warn about suspicious return values from module's ->init() hook	2008-03-10 18:01:20 -07:00
mutex-debug.c	kernel: remove fastcall in kernel/*	2008-02-08 09:22:31 -08:00
mutex-debug.h
mutex.c	kernel: remove fastcall in kernel/*	2008-02-08 09:22:31 -08:00
mutex.h
notifier.c
ns_cgroup.c
nsproxy.c	namespaces: move the IPC namespace under IPC_NS option	2008-02-08 09:22:23 -08:00
panic.c
params.c	Add new string functions strict_strto* and convert kernel params to use them	2008-02-08 09:22:41 -08:00
pid_namespace.c	namespaces: cleanup the code managed with PID_NS option	2008-02-08 09:22:23 -08:00
pid.c	kernel: remove fastcall in kernel/*	2008-02-08 09:22:31 -08:00
pm_qos_params.c
posix-cpu-timers.c	Use find_task_by_vpid in posix timers	2008-02-08 09:22:41 -08:00
posix-timers.c	hrtimer: check relative timeouts for overflow	2008-02-14 22:08:30 +01:00
printk.c	Fix locking bug in "acquire_console_semaphore_for_printk()"	2008-04-15 13:09:54 -07:00
profile.c	Nuke a duplicate include from profile.c	2008-02-08 09:22:34 -08:00
ptrace.c	ptrace_check_attach: remove unneeded ->signal != NULL check	2008-02-08 09:22:26 -08:00
rcuclassic.c
rcupdate.c	rcupdate: fix comment	2008-02-13 16:21:18 -08:00
rcupreempt_trace.c
rcupreempt.c	rcupreempt: remove never-migrates assumption from rcu_process_callbacks()	2008-02-29 20:21:13 +01:00
rcutorture.c
relay.c	relay: set an spd_release() hook for splice	2008-03-26 12:04:09 +01:00
res_counter.c	Memory Resource Controller use strstrip while parsing arguments	2008-03-04 16:35:09 -08:00
resource.c	[POWERPC] Add arch-specific walk_memory_remove() for 64-bit powerpc	2008-02-08 19:52:48 +11:00
rtmutex_common.h	Don't operate with pid_t in rtmutex tester	2008-02-08 09:22:41 -08:00
rtmutex-debug.c	Don't operate with pid_t in rtmutex tester	2008-02-08 09:22:41 -08:00
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c	hrtimer: more hrtimer_init_sleeper() fallout.	2008-02-13 15:45:36 +01:00
rtmutex.h
rwsem.c
sched_debug.c	sched: improve affine wakeups	2008-03-19 04:27:53 +01:00
sched_fair.c	revert "sched: fix fair sleepers"	2008-04-14 14:26:23 +02:00
sched_idletask.c
sched_rt.c	sched: balance RT task resched only on runqueue	2008-03-07 16:43:00 +01:00
sched_stats.h
sched.c	NOHZ: reevaluate idle sleep length after add_timer_on()	2008-03-26 08:28:55 +01:00
seccomp.c
signal.c	freezer vs stopped or traced	2008-03-04 07:59:54 -08:00
softirq.c	rcu: add support for dynamic ticks and preempt rcu	2008-02-29 18:46:50 +01:00
softlockup.c	softlockup: fix task state setting	2008-02-29 18:46:53 +01:00
spinlock.c
srcu.c
stacktrace.c
stop_machine.c
sys_ni.c
sys.c	Pidns: make full use of xxx_vnr() calls	2008-02-08 09:22:29 -08:00
sysctl_check.c	constify tables in kernel/sysctl_check.c	2008-02-08 09:22:31 -08:00
sysctl.c	sched: revert load_balance_monitor() changes	2008-03-04 17:54:06 +01:00
taskstats.c
test_kprobes.c
time.c	avoid overflows in kernel/time.c	2008-02-08 09:22:39 -08:00
timeconst.pl	timeconst.pl: correct reversal of USEC_TO_HZ and HZ_TO_USEC	2008-02-12 14:29:26 -08:00
timer.c	NOHZ: reevaluate idle sleep length after add_timer_on()	2008-03-26 08:28:55 +01:00
tsacct.c
uid16.c	asmlinkage_protect replaces prevent_tail_call	2008-04-10 17:28:26 -07:00
user_namespace.c	namespaces: cleanup the code managed with the USER_NS option	2008-02-08 09:22:23 -08:00
user.c	sched: rt-group: make rt groups scheduling configurable	2008-02-13 15:45:40 +01:00
utsname_sysctl.c
utsname.c
wait.c	kernel: remove fastcall in kernel/*	2008-02-08 09:22:31 -08:00
workqueue.c	workqueue: make delayed_work_timer_fn() static	2008-02-08 09:22:37 -08:00