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Heiko Carstens f3612304ee [S390] idle: avoid RCU usage in extended quiescent state 
Avoid calling wake_up() from our NMI "bottom halve" from RCU extended
quiescent state in idle. wake_up() has RCU read-side critical sections
but this will be completely ignored by RCU if the cpu is in extended
quiescent state.
Which means that whatever object is being accessed from within the
read-side critical section can be freed concurrently from a different
cpu.
So make sure we leave extended quiescent state before calling wake_up().

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2012-02-17 10:29:32 +01:00
..
vdso32
[S390] vdso: disable gcov profiling
2011-05-23 10:24:29 +02:00
vdso64
[S390] vdso: disable gcov profiling
2011-05-23 10:24:29 +02:00
asm-offsets.c
[S390] cleanup trap handling
2011-12-27 11:27:12 +01:00
audit.c
[S390] Get rid of a bunch of sparse warnings again.
2007-10-12 16:13:06 +02:00
audit.h
[S390] Get rid of a bunch of sparse warnings again.
2007-10-12 16:13:06 +02:00
base.S
[S390] entry[64].S improvements
2011-12-27 11:27:12 +01:00
bitmap.c
[S390] move EXPORT_SYMBOLs to definitions
2009-03-26 15:24:11 +01:00
compat_audit.c
[S390] Get rid of a bunch of sparse warnings again.
2007-10-12 16:13:06 +02:00
compat_exec_domain.c
…
compat_linux.c
[S390] ipc: call generic sys_ipc demultiplexer
2011-12-27 11:27:13 +01:00
compat_linux.h
Mark arguments to certain syscalls as being const
2010-08-13 16:53:13 -07:00
compat_ptrace.h
[S390] ptrace cleanup
2011-01-05 12:47:31 +01:00
compat_signal.c
[S390] return address of compat signals
2011-12-27 11:27:14 +01:00
compat_wrapper.S
[S390] wire up process_vm syscalls
2011-11-14 11:19:08 +01:00
cpcmd.c
[S390] convert cpcmd printks to pr_xxx macros.
2008-12-25 13:39:19 +01:00
crash_dump.c
[S390] Remove error checking from copy_oldmem_page()
2011-10-30 15:16:47 +01:00
crash.c
…
debug.c
switch debugfs to umode_t
2012-01-03 22:54:56 -05:00
diag.c
[S390] replace diag10() with diag10_range() function
2011-05-10 17:13:43 +02:00
dis.c
[S390] disassembler: mark exception causing instructions
2011-12-27 11:27:14 +01:00
early.c
[S390] Check for NULL termination in command line setup
2011-12-27 11:25:48 +01:00
ebcdic.c
…
entry64.S
[S390] cleanup trap handling
2011-12-27 11:27:12 +01:00
entry.h
[S390] cleanup trap handling
2011-12-27 11:27:12 +01:00
entry.S
[S390] cleanup trap handling
2011-12-27 11:27:12 +01:00
ftrace.c
[S390] cleanup ftrace backend functions
2011-01-05 12:47:31 +01:00
head31.S
[S390] smp: external call vs. emergency signal
2011-10-30 15:16:44 +01:00
head64.S
[S390] smp: external call vs. emergency signal
2011-10-30 15:16:44 +01:00
head_kdump.S
[S390] kdump backend code
2011-10-30 15:16:42 +01:00
head.S
[S390] entry[64].S improvements
2011-12-27 11:27:12 +01:00
init_task.c
Use new __init_task_data macro in arch init_task.c files.
2009-09-21 06:27:08 +02:00
ipl.c
[S390] sparse: fix sparse warnings about missing prototypes
2011-10-30 15:16:46 +01:00
irq.c
[S390] irqstats: split IPI interrupt accounting
2011-10-30 15:16:47 +01:00
jump_label.c
s390/jump-label: add arch_jump_label_transform_static()
2011-10-25 11:54:37 -07:00
kprobes.c
[S390] sparse: fix sparse static warnings
2011-10-30 15:16:46 +01:00
machine_kexec.c
[S390] Add VMCOREINFO_SYMBOL(high_memory) to vmcoreinfo
2011-12-27 11:27:13 +01:00
Makefile
[S390] topology: get rid of ifdefs
2011-12-27 11:27:10 +01:00
mcount64.S
[S390] fix s390 assembler code alignments
2011-07-24 10:48:21 +02:00
mcount.S
[S390] fix s390 assembler code alignments
2011-07-24 10:48:21 +02:00
mem_detect.c
[S390] Rework create_mem_hole() function
2011-12-27 11:27:09 +01:00
module.c
modules: make arch's use default loader hooks
2011-07-24 22:06:04 +09:30
nmi.c
treewide: remove useless NORET_TYPE macro and uses
2012-01-12 20:13:03 -08:00
process.c
[S390] idle: avoid RCU usage in extended quiescent state
2012-02-17 10:29:32 +01:00
processor.c
[S390] avoid warning in show_cpuinfo
2011-10-30 15:16:15 +01:00
ptrace.c
audit: inline audit_syscall_entry to reduce burden on archs
2012-01-17 16:16:56 -05:00
reipl64.S
[S390] entry[64].S improvements
2011-12-27 11:27:12 +01:00
reipl.S
[S390] kdump backend code
2011-10-30 15:16:42 +01:00
relocate_kernel64.S
[S390] fix s390 assembler code alignments
2011-07-24 10:48:21 +02:00
relocate_kernel.S
[S390] fix s390 assembler code alignments
2011-07-24 10:48:21 +02:00
s390_ksyms.c
[S390] move sie code to entry.S
2011-07-24 10:48:21 +02:00
sclp.S
[S390] fix s390 assembler code alignments
2011-07-24 10:48:21 +02:00
setup.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2012-01-09 08:11:13 -08:00
signal.c
[S390] cleanup trap handling
2011-12-27 11:27:12 +01:00
smp.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2012-01-09 08:11:13 -08:00
stacktrace.c
[S390] Fix stacktrace compile bug.
2008-07-17 17:22:09 +02:00
suspend.c
[S390] sparse: fix sparse warnings about missing prototypes
2011-10-30 15:16:46 +01:00
switch_cpu64.S
[S390] fix s390 assembler code alignments
2011-07-24 10:48:21 +02:00
switch_cpu.S
[S390] fix s390 assembler code alignments
2011-07-24 10:48:21 +02:00
swsusp_asm64.S
PM / Hibernate: Include storage keys in hibernation image on s390
2011-10-16 23:27:46 +02:00
sys_s390.c
[S390] ipc: call generic sys_ipc demultiplexer
2011-12-27 11:27:13 +01:00
syscalls.S
[S390] wire up process_vm syscalls
2011-11-14 11:19:08 +01:00
sysinfo.c
[S390] sparse: fix sparse warnings in math-emu
2011-10-30 15:16:46 +01:00
time.c
s390: time - convert sysdev_class to a regular subsystem
2011-12-21 15:09:50 -08:00
topology.c
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux
2012-01-09 08:11:13 -08:00
traps.c
[S390] Enable exception traces by default
2011-12-27 11:27:14 +01:00
vdso.c
mm: arch: rename in_gate_area_no_task to in_gate_area_no_mm
2011-03-23 16:36:55 -04:00
vmlinux.lds.S
[S390] cleanup entry point definition
2012-01-18 18:03:41 +01:00
vtime.c
[S390] sparse: fix sparse static warnings
2011-10-30 15:16:46 +01:00