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191ce9d1fd
linux/arch/s390
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Martin Schwidefsky 191ce9d1fd s390/time: fix clocksource steering for negative clock offsets 
The TOD clock offset injected by an STP sync check can be negative.
If the resulting total tod_steering_delta gets negative the kernel
will panic.

Change the type of tod_steering_delta to a signed type.

Reported-by: Dan Carpenter <dan.carpenter@oracle.com>
Fixes: 75c7b6f3f6 ("s390/time: steer clocksource on STP sync events")
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2016-11-17 06:56:38 +01:00
..
appldata s390: Remove deprecated create_singlethread_workqueue 2016-09-06 10:59:57 +02:00
boot s390: enable UBSAN 2016-09-20 14:26:23 +02:00
configs Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2016-10-04 14:05:52 -07:00
crypto s390/crypto: avoid returning garbage value 2016-09-06 11:00:00 +02:00
hypfs s390: hypfs: make inode explicitly non-modular 2016-10-31 17:55:40 +01:00
include s390: move sys_call_table and last_break from thread_info to thread_struct 2016-11-15 16:48:20 +01:00
kernel s390/time: fix clocksource steering for negative clock offsets 2016-11-17 06:56:38 +01:00
kvm KVM: s390: reject invalid modes for runtime instrumentation 2016-10-20 20:06:12 +02:00
lib Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-10-14 14:26:58 -07:00
mm s390/preempt: move preempt_count to the lowcore 2016-11-11 16:37:40 +01:00
net s390/bpf: fix recache skb->data/hlen for skb_vlan_push/pop 2016-05-19 09:14:27 +02:00
numa s390/numa: only set possible nodes within node_possible_map 2016-07-31 05:28:00 -04:00
oprofile s390/dumpstack: restore reliable indicator for call traces 2016-10-17 14:44:30 +02:00
pci s390/atomic: refactor atomic primitives 2016-11-11 16:37:33 +01:00
tools s390: remove unneeded dependency for gen_facilities 2016-11-08 10:30:28 +01:00
defconfig mm/usercopy: get rid of CONFIG_DEBUG_STRICT_USER_COPY_CHECKS 2016-08-30 10:10:21 -07:00
Kbuild s390/numa: add core infrastructure 2015-08-03 18:40:25 +02:00
Kconfig s390: move thread_info into task_struct 2016-11-11 16:37:41 +01:00
Kconfig.debug arch: consolidate CONFIG_STRICT_DEVM in lib/Kconfig.debug 2016-01-09 06:30:49 -08:00
Makefile s390: add assembler include path for vx-insn.h 2016-09-06 11:00:04 +02:00