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linux/arch/s390/kernel
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Christian Borntraeger bcc6525fb2 [S390] s390: fix single stepping on svc0 
On s390 there are two ways of specifying the system call number for
the svc instruction. The standard way is to use the immediate field
in the instruction (or to use EXecute for values unknown during
assemble time). This can encode 256 system calls.
The kernel ABI also allows to put the system call number in r1 and
then execute svc 0 to enable system call numbers > 255.

It turns out that single stepping svc 0 is broken, since the PER
program check handler uses r1. We have to use a different register.

Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
2009-11-13 15:45:03 +01:00
..
vdso32 Use macros for .data.page_aligned section. 2009-09-21 06:27:08 +02:00
vdso64 Use macros for .data.page_aligned section. 2009-09-21 06:27:08 +02:00
asm-offsets.c [S390] hibernate: Do real CPU swap at resume time 2009-09-22 22:58:46 +02:00
audit.c [S390] Get rid of a bunch of sparse warnings again. 2007-10-12 16:13:06 +02:00
audit.h [S390] Get rid of a bunch of sparse warnings again. 2007-10-12 16:13:06 +02:00
base.S [S390] Convert memory detection into C code. 2007-02-05 21:18:37 +01:00
bitmap.c [S390] move EXPORT_SYMBOLs to definitions 2009-03-26 15:24:11 +01:00
compat_audit.c [S390] Get rid of a bunch of sparse warnings again. 2007-10-12 16:13:06 +02:00
compat_exec_domain.c [S390] Get rid of a lot of sparse warnings. 2007-02-05 21:16:47 +01:00
compat_linux.c headers: utsname.h redux 2009-09-23 18:13:10 -07:00
compat_linux.h [S390] Convert sys_execve to function with parameters. 2009-09-22 22:58:43 +02:00
compat_ptrace.h [S390] Expose a constant for the number of words representing the CRs 2009-03-26 15:24:25 +01:00
compat_signal.c [S390] 64-bit register support for 31-bit processes 2009-10-06 10:35:10 +02:00
compat_wrapper.S [S390] compat: fix truncate system call wrapper 2009-10-06 10:35:08 +02:00
cpcmd.c [S390] convert cpcmd printks to pr_xxx macros. 2008-12-25 13:39:19 +01:00
crash.c [S390] Get rid of a lot of sparse warnings. 2007-02-05 21:16:47 +01:00
debug.c sysctl: remove "struct file *" argument of ->proc_handler 2009-09-24 07:21:04 -07:00
diag.c [S390] vmur: fix diag14 exceptions with addresses > 2GB. 2007-08-22 13:51:47 +02:00
dis.c headers: smp_lock.h redux 2009-07-12 12:22:34 -07:00
early.c [S390] reset cputime accounting after IPL from NSS 2009-11-13 15:45:03 +01:00
ebcdic.c [S390] Get rid of a lot of sparse warnings. 2007-02-05 21:16:47 +01:00
entry64.S [S390] s390: fix single stepping on svc0 2009-11-13 15:45:03 +01:00
entry.h [S390] Convert sys_execve to function with parameters. 2009-09-22 22:58:43 +02:00
entry.S [S390] s390: fix single stepping on svc0 2009-11-13 15:45:03 +01:00
ftrace.c [S390] ftrace: drop nmi protection 2009-10-06 10:35:08 +02:00
head31.S [S390] Initialize __LC_THREAD_INFO early. 2009-09-11 10:29:53 +02:00
head64.S [S390] Limit cpu detection to 256 physical cpus. 2009-09-11 10:29:55 +02:00
head.S [S390] Limit cpu detection to 256 physical cpus. 2009-09-11 10:29:55 +02:00
init_task.c Use new __init_task_data macro in arch init_task.c files. 2009-09-21 06:27:08 +02:00
ipl.c [S390] smp: fix sigp stop handling 2009-10-29 15:05:13 +01:00
irq.c [S390] Fix init irq proc build break. 2009-02-11 10:37:39 +01:00
kprobes.c [S390] kprobes: defer setting of ctlblk state 2009-06-22 12:08:24 +02:00
machine_kexec.c [S390] Cleanup kprobes printk messages. 2008-07-14 10:02:24 +02:00
Makefile [S390] hibernation: merge files and move to kernel/ 2009-09-11 10:29:45 +02:00
mcount64.S [S390] improve mcount code 2009-09-11 10:29:43 +02:00
mcount.S [S390] improve mcount code 2009-09-11 10:29:43 +02:00
mem_detect.c [S390] s390: hibernation support for s390 2009-06-16 10:31:22 +02:00
module.c [S390] module: fix memory leak in s390 module loader 2009-10-06 10:35:06 +02:00
nmi.c [S390] merge cpu.h into cputime.h 2009-06-12 10:27:29 +02:00
process.c headers: utsname.h redux 2009-09-23 18:13:10 -07:00
processor.c [S390] Add highgprs facility to /proc/cpuinfo 2009-10-14 12:43:53 +02:00
ptrace.c [S390] 64-bit register support for 31-bit processes 2009-10-06 10:35:10 +02:00
reipl64.S [S390] fix clock comparator save area usage 2009-03-26 15:24:32 +01:00
reipl.S [S390] reipl: move dump_prefix_page out of text section. 2007-03-05 23:35:43 +01:00
relocate_kernel64.S
relocate_kernel.S
s390_ext.c [S390] ftrace: add function graph tracer support 2009-06-12 10:27:39 +02:00
s390_ksyms.c [S390] move EXPORT_SYMBOLs to definitions 2009-03-26 15:24:11 +01:00
sclp.S [S390] hibernate: Do real CPU swap at resume time 2009-09-22 22:58:46 +02:00
setup.c [S390] 64-bit register support for 31-bit processes 2009-10-06 10:35:10 +02:00
signal.c KEYS: Add a keyctl to install a process's session keyring on its parent [try #6] 2009-09-02 21:29:22 +10:00
smp.c [S390] smp: fix sigp sense handling 2009-10-29 15:05:13 +01:00
stacktrace.c [S390] Fix stacktrace compile bug. 2008-07-17 17:22:09 +02:00
suspend.c [S390] hibernate: make sure pfn_is_nosave handles lowcore pages 2009-09-22 22:58:45 +02:00
swsusp_asm64.S [S390] smp: fix sigp sense handling 2009-10-29 15:05:13 +01:00
sys_s390.c includecheck fix: s390, sys_s390.c 2009-09-20 15:02:14 +05:30
syscalls.S [S390] Get rid of init_module/delete_module compat functions. 2009-09-22 22:58:43 +02:00
sysinfo.c [S390] move sysinfo.c from drivers/s390 to arch/s390/kernel 2009-03-26 15:24:06 +01:00
time.c Merge branch 'timers-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip 2009-09-18 09:15:24 -07:00
topology.c [S390] cpumask: remove cpu_coregroup_map 2009-03-26 15:24:32 +01:00
traps.c [S390] fix dump_stack vs. %p and (null) 2009-03-26 15:24:02 +01:00
vdso.c [S390] perf_counter: fix vdso detection 2009-10-06 10:35:09 +02:00
vmlinux.lds.S [S390] Enable kmemleak on s390. 2009-10-06 10:35:06 +02:00
vtime.c [S390] lockless idle time accounting 2009-06-22 12:08:23 +02:00