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aa7e04b380
linux/arch/s390/kernel
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Hendrik Brueckner aa7e04b380 s390/signal: always restore saved runtime instrumentation psw bit 
Commit "s390: fix handling of runtime instrumentation psw bit" (5ebf250dab)
changed the behavior of setting the runtime instrumentation psw bit.  This
commit restores the original logic:

1. When returning from the signal handler, the runtime instrumentation psw bit
   is restored to its saved state.
2. If the runtime instrumentation psw bit is enabled during the signal handler,
   it is always turned off when leaving the signal handler.  The saved state
   is restored as described in 1.  That also implies that turning on runtime
   instrumentation in the signal handler is only effective while running in the
   signal context.

Signed-off-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com>
2013-11-20 09:04:53 +01:00
..
vdso32 s390: add various .gitignore files. 2012-05-16 14:42:41 +02:00
vdso64 s390: add various .gitignore files. 2012-05-16 14:42:41 +02:00
.gitignore s390: add various .gitignore files. 2012-05-16 14:42:41 +02:00
asm-offsets.c KVM fixes for 3.11 2013-07-03 13:21:40 -07:00
audit.c
audit.h
base.S s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
cache.c s390/cache: get rid of compile warning 2013-10-24 17:17:06 +02:00
compat_audit.c
compat_exec_domain.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
compat_linux.c s390/compat: make psw32_user_bits a constant value again 2013-10-24 17:17:12 +02:00
compat_linux.h s390: fix save and restore of the floating-point-control register 2013-10-24 17:17:11 +02:00
compat_ptrace.h [S390] ptrace cleanup 2011-01-05 12:47:31 +01:00
compat_signal.c s390/signal: always restore saved runtime instrumentation psw bit 2013-11-20 09:04:53 +01:00
compat_wrapper.S switch compat_sys_sysctl to COMPAT_SYSCALL_DEFINE 2013-05-09 14:53:20 -04:00
cpcmd.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
crash_dump.c s390/sclp: Determine HSA size dynamically for zfcpdump 2013-11-15 14:08:40 +01:00
debug.c s390: convert use of typedef ctl_table to struct ctl_table 2013-10-28 08:36:25 +01:00
diag.c [S390] replace diag10() with diag10_range() function 2011-05-10 17:13:43 +02:00
dis.c s390/kprobes: allow kprobes only on known instructions 2013-10-24 17:16:50 +02:00
dumpstack.c s390/dis: move disassembler function prototypes to proper header file 2013-10-24 17:16:48 +02:00
early.c s390/sclp: Consolidate early sclp init calls to sclp_early_detect() 2013-11-15 14:08:41 +01:00
ebcdic.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
entry64.S s390: fix system call restart after inferior call 2013-09-30 13:04:40 +02:00
entry.h s390/mm,tlb: correct tlb flush on page table upgrade 2013-11-04 13:51:47 +01:00
entry.S s390: fix system call restart after inferior call 2013-09-30 13:04:40 +02:00
ftrace.c s390/ftrace: prepare_ftrace_return() function call order 2013-10-24 17:17:03 +02:00
head31.S s390/mm: let kernel text section always begin at 1MB 2012-10-09 14:16:59 +02:00
head64.S s390/mm: let kernel text section always begin at 1MB 2012-10-09 14:16:59 +02:00
head_kdump.S s390/kdump: Use 64 bit mode for 0x10000 entry point 2012-10-18 17:50:09 +02:00
head.S s390/bitops: optimize set_bit() for constant values 2013-10-24 17:16:53 +02:00
ipl.c s390/uaccess: always run the kernel in home space 2013-10-24 17:16:57 +02:00
irq.c irq: Consolidate do_softirq() arch overriden implementations 2013-10-01 12:53:25 +02:00
jump_label.c s390/jump-label: add arch_jump_label_transform_static() 2011-10-25 11:54:37 -07:00
kprobes.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jikos/trivial 2013-11-15 16:47:22 -08:00
lgr.c s390/sysinfo,stsi: change return code handling 2012-09-26 15:45:12 +02:00
machine_kexec.c s390: make various functions static, add declarations to header files 2013-09-07 11:58:03 +02:00
Makefile s390/bitops: use generic find bit functions / reimplement _left variant 2013-10-24 17:16:55 +02:00
mcount64.S s390/ftrace: fix mcount adjustment 2013-05-15 13:09:09 +02:00
mcount.S s390/ftrace: fix mcount adjustment 2013-05-15 13:09:09 +02:00
module.c mm/arch: use NUMA_NO_NODE 2013-11-13 12:09:05 +09:00
nmi.c s390/time: clock comparator revalidation 2013-08-22 12:20:08 +02:00
os_info.c Include missing linux/slab.h inclusions 2013-04-29 15:42:01 -04:00
perf_cpum_cf.c s390/irq: rework irq subclass handling 2013-09-04 17:19:13 +02:00
perf_event.c s390/perf: Remove print_hex_dump_bytes() debug output 2013-09-04 17:19:04 +02:00
pgm_check.S s390/mm,tlb: correct tlb flush on page table upgrade 2013-11-04 13:51:47 +01:00
process.c s390: fix save and restore of the floating-point-control register 2013-10-24 17:17:11 +02:00
processor.c s390: delete __cpuinit usage from all s390 files 2013-07-14 19:36:53 -04:00
ptrace.c s390/compat: make psw32_user_bits a constant value again 2013-10-24 17:17:12 +02:00
reipl64.S s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
reipl.S s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
relocate_kernel64.S s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
relocate_kernel.S s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
runtime_instr.c s390/uaccess: always run the kernel in home space 2013-10-24 17:16:57 +02:00
s390_ksyms.c KVM: s390,perf: Detect if perf samples belong to KVM host or guest 2013-06-17 17:10:23 +02:00
sclp.S s390/sclp: fix new line detection 2013-06-05 17:36:21 +02:00
setup.c s390/sclp: Determine HSA size dynamically for zfcpdump 2013-11-15 14:08:40 +01:00
signal.c s390/signal: always restore saved runtime instrumentation psw bit 2013-11-20 09:04:53 +01:00
smp.c s390/vtime: correct idle time calculation 2013-10-31 09:52:52 +01:00
stacktrace.c s390/comments: unify copyright messages and remove file names 2012-07-20 11:15:04 +02:00
suspend.c s390: make various functions static, add declarations to header files 2013-09-07 11:58:03 +02:00
swsusp_asm64.S s390/hibernate: add early resume function 2013-08-30 08:57:15 +02:00
sys_s390.c teach SYSCALL_DEFINE<n> how to deal with long long/unsigned long long 2013-03-03 22:46:22 -05:00
syscalls.S switch compat_sys_sysctl to COMPAT_SYSCALL_DEFINE 2013-05-09 14:53:20 -04:00
sysinfo.c s390: delete __cpuinit usage from all s390 files 2013-07-14 19:36:53 -04:00
time.c s390/time: return with irqs disabled from psw_idle 2013-08-28 09:19:23 +02:00
topology.c s390/topology: export cpu_topology 2013-01-08 10:57:10 +01:00
traps.c s390/dumpstack: fix call chain walking 2013-04-17 14:07:28 +02:00
vdso.c s390/uaccess: always run the kernel in home space 2013-10-24 17:16:57 +02:00
vmlinux.lds.S s390/linker skript: discard exit.data at runtime 2013-02-14 15:55:21 +01:00
vtime.c s390/vtime: correct idle time calculation 2013-10-31 09:52:52 +01:00