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4560e7c331
linux/arch/s390
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Martin Schwidefsky 4560e7c331 s390/vtime: correct idle time calculation 
Use the ACCESS_ONCE macro for both accesses to idle->sequence in the
loops to calculate the idle time. If only one access uses the macro,
the compiler is free to cache the value for the second access which
can cause endless loops.

Cc: stable@vger.kernel.org # 3.6+
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2013-10-31 09:52:52 +01:00
..
appldata s390: convert use of typedef ctl_table to struct ctl_table 2013-10-28 08:36:25 +01:00
boot s390: add support for LZ4-compressed kernel 2013-07-26 13:25:19 +02:00
configs s390: add a couple of useful defconfigs 2013-10-24 17:17:14 +02:00
crypto s390/crypto: fix aes_s390 crypto module unload problem 2013-10-24 17:17:10 +02:00
hypfs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs 2013-09-05 08:50:26 -07:00
include s390/time: fix get_tod_clock_ext inline assembly 2013-10-31 09:52:48 +01:00
kernel s390/vtime: correct idle time calculation 2013-10-31 09:52:52 +01:00
kvm s390: fix save and restore of the floating-point-control register 2013-10-24 17:17:11 +02:00
lib s390/uaccess: always run the kernel in home space 2013-10-24 17:16:57 +02:00
math-emu s390: fix save and restore of the floating-point-control register 2013-10-24 17:17:11 +02:00
mm s390: convert use of typedef ctl_table to struct ctl_table 2013-10-28 08:36:25 +01:00
net s390/bpf,jit: fix prolog oddity 2013-10-24 17:16:59 +02:00
oprofile Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2013-09-11 08:36:03 -07:00
pci s390/pci: cleanup function information block 2013-10-24 17:17:17 +02:00
defconfig Update default configuration 2013-10-24 17:17:15 +02:00
Kbuild s390/pci: base support 2012-11-30 15:40:45 +01:00
Kconfig s390/bitops: use generic find bit functions / reimplement _left variant 2013-10-24 17:16:55 +02:00
Kconfig.debug Kconfig: consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECKS 2013-04-30 17:04:09 -07:00
Makefile s390: always set -march compiler option 2013-10-24 17:16:44 +02:00