Thomas Gleixner f8953856eb [PATCH] highres: do not run the TIMER_SOFTIRQ after switching to highres mode ... The TIMER_SOFTIRQ runs the hrtimers during bootup until a usable clocksource and clock event sources are registered. The switch to high resolution mode happens inside of the TIMER_SOFTIRQ, but runs the softirq afterwards. That way the tick emulation timer, which was set up in the switch to highres might be executed in the softirq context, which is a BUG. The rbtree has not to be touched by the softirq after the highres switch. This BUG was observed by Andres Salomon, who provided the information to debug it. Return early from the softirq, when the switch was sucessful. [dilinger@debian.org: add debug warning] [akpm@linux-foundation.org: make debug warning compile] Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Cc: Andres Salomon <dilinger@debian.org> Acked-by: Ingo Molnar <mingo@elte.hu> Signed-off-by: Andres Salomon <dilinger@debian.org> Acked-by: Thomas Gleixner <tglx@linutronix.de> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>		2007-03-06 09:30:25 -08:00
..
irq	[PATCH] genirq: Mask irqs when migrating them.	2007-02-26 10:34:08 -08:00
power	power management: no valid states w/o pm_ops	2007-02-23 14:52:09 -08:00
time	[PATCH] Save/restore periodic tick information over suspend/resume	2007-03-06 09:30:24 -08:00
.gitignore
acct.c
audit.c	[PATCH] audit config lockdown	2007-02-17 21:30:12 -05:00
audit.h
auditfilter.c	[PATCH] minor update to rule add/delete messages (ver 2)	2007-02-17 21:30:09 -05:00
auditsc.c	[PATCH] AUDIT_FD_PAIR	2007-02-17 21:30:15 -05:00
capability.c	[PATCH] pid: replace do/while_each_task_pid with do/while_each_pid_task	2007-02-12 09:48:32 -08:00
compat.c	[PATCH] Common compat_sys_sysinfo	2007-02-11 10:51:32 -08:00
configs.c
cpu.c	[PATCH] swsusp: Change code ordering in disk.c	2007-02-11 10:51:19 -08:00
cpuset.c	[PATCH] mark struct inode_operations const 2	2007-02-12 09:48:46 -08:00
delayacct.c
dma.c
exec_domain.c
exit.c	[PATCH] pid: replace is_orphaned_pgrp with is_current_pgrp_orphaned	2007-02-12 09:48:32 -08:00
extable.c
fork.c	[PATCH] hrtimers: namespace and enum cleanup	2007-02-16 08:13:58 -08:00
futex.c	[PATCH] hrtimers: namespace and enum cleanup	2007-02-16 08:13:58 -08:00
futex_compat.c
hrtimer.c	[PATCH] highres: do not run the TIMER_SOFTIRQ after switching to highres mode	2007-03-06 09:30:25 -08:00
itimer.c	[PATCH] hrtimers: prevent possible itimer DoS	2007-02-16 08:13:59 -08:00
kallsyms.c
Kconfig.hz
Kconfig.preempt
kexec.c
kfifo.c	[PATCH] Numerous fixes to kernel-doc info in source files.	2007-02-11 10:51:32 -08:00
kmod.c	Revert "Driver core: let request_module() send a /sys/modules/kmod/-uevent"	2007-02-23 14:54:57 -08:00
kprobes.c	[PATCH] kprobes: list all active probes in the system	2007-02-20 17:10:14 -08:00
ksysfs.c
kthread.c	[PATCH] Numerous fixes to kernel-doc info in source files.	2007-02-11 10:51:32 -08:00
latency.c
lockdep.c	[PATCH] fix section mismatch warning in lockdep	2007-03-01 14:53:37 -08:00
lockdep_internals.h
lockdep_proc.c	[PATCH] remove many unneeded #includes of sched.h	2007-02-14 08:09:54 -08:00
Makefile	[PATCH] sysctl: move utsname sysctls to their own file	2007-02-14 08:09:58 -08:00
module.c	Revert "Driver core: let request_module() send a /sys/modules/kmod/-uevent"	2007-02-23 14:54:57 -08:00
mutex-debug.c	[PATCH] remove many unneeded #includes of sched.h	2007-02-14 08:09:54 -08:00
mutex-debug.h
mutex.c
mutex.h
nsproxy.c	Revert "[PATCH] namespaces: fix exit race by splitting exit"	2007-01-30 13:35:18 -08:00
panic.c	[PATCH] Add TAINT_USER and ability to set taint flags from userspace	2007-02-11 10:51:29 -08:00
params.c	Revert "Driver core: let request_module() send a /sys/modules/kmod/-uevent"	2007-02-23 14:54:57 -08:00
pid.c	[PATCH] namespaces: fix task exit disaster	2007-01-30 13:40:36 -08:00
posix-cpu-timers.c	[PATCH] posix timers: RCU optimization for clock_gettime()	2007-02-16 08:14:00 -08:00
posix-timers.c	[PATCH] hrtimers: add high resolution timer support	2007-02-16 08:13:59 -08:00
printk.c	kernel/printk.c: comment fix	2007-02-17 20:10:16 +01:00
profile.c	[PATCH] proc: remove useless (and buggy) ->nlink settings	2007-02-11 10:51:32 -08:00
ptrace.c
rcupdate.c
rcutorture.c	[PATCH] rcu: rcutorture suspend fix	2006-12-30 10:55:55 -08:00
relay.c	[PATCH] kernel-doc fixes for 2.6.20-git15 (non-drivers)	2007-03-01 14:53:37 -08:00
resource.c	[PATCH] remove many unneeded #includes of sched.h	2007-02-14 08:09:54 -08:00
rtmutex-debug.c
rtmutex-debug.h
rtmutex-tester.c
rtmutex.c	[PATCH] hrtimers: namespace and enum cleanup	2007-02-16 08:13:58 -08:00
rtmutex.h
rtmutex_common.h
rwsem.c
sched.c	[PATCH] sched: remove SMT nice	2007-03-05 07:57:51 -08:00
seccomp.c
signal.c	Merge master.kernel.org:/pub/scm/linux/kernel/git/kyle/parisc-2.6	2007-02-26 12:48:06 -08:00
softirq.c	[PATCH] tick-management: dyntick / highres functionality	2007-02-16 08:13:59 -08:00
softlockup.c
spinlock.c
srcu.c
stacktrace.c
stop_machine.c
sys.c	[PATCH] pid: replace do/while_each_task_pid with do/while_each_pid_task	2007-02-12 09:48:32 -08:00
sys_ni.c
sysctl.c	[PATCH] fix the SYSCTL=n compilation	2007-03-01 14:53:37 -08:00
taskstats.c
time.c	[PATCH] Fix multiple conversion bugs in msecs_to_jiffies	2007-02-16 08:13:56 -08:00
timer.c	[PATCH] Save/restore periodic tick information over suspend/resume	2007-03-06 09:30:24 -08:00
tsacct.c	[PATCH] time: x86_64: split x86_64/kernel/time.c up	2007-02-16 08:14:00 -08:00
uid16.c
user.c
utsname.c
utsname_sysctl.c	[PATCH] sysctl: remove insert_at_head from register_sysctl	2007-02-14 08:09:59 -08:00
wait.c
workqueue.c	[PATCH] Add debugging feature /proc/timer_stat	2007-02-16 08:13:59 -08:00