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191ce9d1fd
linux/arch/s390/kernel
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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
..
vdso32 s390/time: steer clocksource on STP sync events 2016-10-28 10:09:02 +02:00
vdso64 s390/time: steer clocksource on STP sync events 2016-10-28 10:09:02 +02:00
.gitignore s390: add various .gitignore files. 2012-05-16 14:42:41 +02:00
als.c s390/als: print missing facilities on facility mismatch 2016-07-31 05:27:59 -04:00
asm-offsets.c s390: move sys_call_table and last_break from thread_info to thread_struct 2016-11-15 16:48:20 +01:00
audit.c
audit.h
base.S s390/kdump: fix nosmt kernel parameter 2015-06-25 09:39:26 +02:00
cache.c s390/cpuinfo: show dynamic and static cpu mhz 2016-06-13 15:58:17 +02:00
compat_audit.c
compat_linux.c cred: simpler, 1D supplementary groups 2016-10-07 18:46:30 -07:00
compat_linux.h s390: add support for vector extension 2014-10-09 09:14:13 +02:00
compat_ptrace.h [S390] ptrace cleanup 2011-01-05 12:47:31 +01:00
compat_signal.c s390: move sys_call_table and last_break from thread_info to thread_struct 2016-11-15 16:48:20 +01:00
compat_wrapper.c s390: wire up copy_file_range syscall 2016-01-19 12:14:02 +01:00
cpcmd.c s390: Use pr_warn instead of pr_warning 2016-03-07 13:12:04 +01:00
crash_dump.c s390/crashdump: use list_first_entry_or_null 2016-09-20 14:26:04 +02:00
debug.c s390: Use pr_warn instead of pr_warning 2016-03-07 13:12:04 +01:00
diag.c - ARM: GICv3 ITS emulation and various fixes. Removal of the old 2016-08-02 16:11:27 -04:00
dis.c s390/disassambler: use pr_cont where appropriate 2016-10-17 14:44:32 +02:00
dumpstack.c s390/dumpstack: use pr_cont within show_stack and die 2016-10-24 10:26:14 +02:00
early.c s390/preempt: move preempt_count to the lowcore 2016-11-11 16:37:40 +01:00
ebcdic.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
entry.h s390/als: convert architecture level set code to C 2016-07-31 05:27:58 -04:00
entry.S s390: move sys_call_table and last_break from thread_info to thread_struct 2016-11-15 16:48:20 +01:00
fpu.c s390/fpu: improve kernel_fpu_[begin|end] 2016-08-29 11:05:01 +02:00
ftrace.c ftrace: Add return address pointer to ftrace_ret_stack 2016-08-24 12:15:14 +02:00
head64.S s390: move thread_info into task_struct 2016-11-11 16:37:41 +01:00
head_kdump.S s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
head.S s390: clarify compressed image code path 2016-08-08 15:41:31 +02:00
idle.c s390/idle: convert open coded idle time seqcount 2014-12-08 09:42:32 +01:00
ipl.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2016-07-26 12:22:51 -07:00
irq.c s390: use SPARSE_IRQ 2016-06-13 15:58:24 +02:00
jump_label.c Merge branch 'locking-core-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2015-09-03 15:46:07 -07:00
kprobes.c s390: migrate exception table users off module.h and onto extable.h 2016-09-20 14:26:38 +02:00
lgr.c s390: kernel: make lgr explicitly non-modular 2016-10-31 17:55:42 +01:00
machine_kexec.c s390/kexec: fix crash on resize of reserved memory 2016-06-13 15:58:19 +02:00
Makefile Merge branch 'kbuild' of git://git.kernel.org/pub/scm/linux/kernel/git/mmarek/kbuild 2016-10-14 14:26:58 -07:00
mcount.S s390: move exports to definitions 2016-08-07 23:47:20 -04:00
module.c module: s390: keep mod_arch_specific for livepatch modules 2016-04-01 15:00:11 +02:00
nmi.c s390/nmi: improve revalidation of fpu / vector registers 2016-08-29 11:05:03 +02:00
os_info.c s390/dump: streamline oldmem copy functions 2015-11-27 09:24:12 +01:00
perf_cpum_cf_events.c s390/cpum_cf: Export event names in sysfs 2013-12-16 14:37:50 +01:00
perf_cpum_cf.c s390/perf: Convert the hotplug notifier to state machine callbacks (Counter) 2016-07-14 09:34:37 +02:00
perf_cpum_sf.c Merge branch 'smp-hotplug-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/tip 2016-07-29 13:55:30 -07:00
perf_event.c s390/dumpstack: restore reliable indicator for call traces 2016-10-17 14:44:30 +02:00
pgm_check.S s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
process.c s390: move cputime accounting fields from thread_info to thread_struct 2016-11-11 16:37:43 +01:00
processor.c s390/cpuinfo: show maximum thread id 2016-07-04 09:25:20 +02:00
ptrace.c s390: move sys_call_table and last_break from thread_info to thread_struct 2016-11-15 16:48:20 +01:00
reipl.S s390/dump: rework CPU register dump code 2015-11-27 09:24:14 +01:00
relocate_kernel.S s390: remove "64" suffix from a couple of files 2015-03-25 11:49:34 +01:00
runtime_instr.c s390: remove runtime instrumentation interrupts 2015-11-03 14:40:51 +01:00
sclp.c s390/sclp: move uninitialized data to data section 2016-07-31 05:27:58 -04:00
setup.c s390: move thread_info into task_struct 2016-11-11 16:37:41 +01:00
signal.c s390: move sys_call_table and last_break from thread_info to thread_struct 2016-11-15 16:48:20 +01:00
smp.c s390: move cputime accounting fields from thread_info to thread_struct 2016-11-11 16:37:43 +01:00
stacktrace.c s390/dumpstack: restore reliable indicator for call traces 2016-10-17 14:44:30 +02:00
suspend.c PCI: Include <linux/pci.h>, not <asm/pci.h> 2015-06-08 07:55:03 -05:00
swsusp.S s390/hibernate: fix save and restore of vector registers 2015-09-17 13:43:41 +02:00
sys_s390.c s390: remove 31 bit support 2015-03-25 11:49:33 +01:00
syscalls.S s390: wire up preadv2/pwritev2 syscalls 2016-04-01 08:42:38 +02:00
sysinfo.c s390/fpu: improve kernel_fpu_[begin|end] 2016-08-29 11:05:01 +02:00
time.c s390/time: fix clocksource steering for negative clock offsets 2016-11-17 06:56:38 +01:00
topology.c s390/topology: remove z10 special handling 2016-06-13 15:58:27 +02:00
trace.c s390/diag: avoid lockdep recursion 2016-02-11 13:05:56 +01:00
traps.c s390: migrate exception table users off module.h and onto extable.h 2016-09-20 14:26:38 +02:00
uprobes.c s390/uprobes: fix address space annotation 2015-03-25 11:49:47 +01:00
vdso.c vdso: make arch_setup_additional_pages wait for mmap_sem for write killable 2016-05-23 17:04:14 -07:00
vmlinux.lds.S nmi_backtrace: generate one-line reports for idle cpus 2016-10-07 18:46:30 -07:00
vtime.c s390: move cputime accounting fields from thread_info to thread_struct 2016-11-11 16:37:43 +01:00