kernel_optimize_test/arch/s390
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
..
appldata sched/accounting: Change cpustat fields to an array 2011-12-06 09:06:38 +01:00
boot [S390] Remove Kerntypes leftovers 2011-12-27 11:27:12 +01:00
crypto [S390] crypto: avoid MSA3 and MSA4 instructions in ESA mode 2011-11-14 11:19:09 +01:00
hypfs vfs: switch ->show_options() to struct dentry * 2012-01-06 23:19:54 -05:00
include/asm kdump: define KEXEC_NOTE_BYTES arch specific for s390x 2012-01-23 08:38:48 -08:00
kernel [S390] idle: avoid RCU usage in extended quiescent state 2012-02-17 10:29:32 +01:00
kvm KVM: s390: announce SYNC_MMU 2011-11-17 16:25:52 +02:00
lib [S390] sparse: fix sparse warnings with __user pointers 2011-10-30 15:16:46 +01:00
math-emu s390: change to new flag variable 2011-03-17 14:02:57 +01:00
mm [S390] cleanup trap handling 2011-12-27 11:27:12 +01:00
oprofile Merge branch 'perf-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2012-01-06 08:02:58 -08:00
defconfig [S390] defconfig: switch on CONFIG_DEVTMPFS 2011-10-30 15:16:42 +01:00
Kbuild [S390] make arch/s390 subdirectories depend on config option 2011-12-27 11:27:12 +01:00
Kconfig Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2012-01-09 08:11:13 -08:00
Kconfig.debug
Makefile [S390] cleanup entry point definition 2012-01-18 18:03:41 +01:00