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linux/arch/s390/kernel
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Heiko Carstens ee44f4e7eb s390/traps: Copy monitor code to pt_regs 
In case of a monitor call program check the CPU stores the monitor code to
lowcore. Let the program check handler copy it to the pt_regs structure so
it can be used by the monitor call exception handler.

Instead of increasing the pt_regs size add a union which contains both
orig_gpr2 and monitor_code, since orig_gpr2 is not used in case of a
program check.

Reviewed-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
2026-01-27 12:16:16 +01:00
..
diag s390: Remove superfluous newlines from inline assemblies 2025-09-29 13:52:08 +02:00
syscalls s390 updates for 6.19 merge window 2025-12-02 16:37:00 -08:00
vdso s390/vdso: Get rid of -m64 flag handling 2025-11-25 15:28:08 +01:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
abs_lowcore.c s390/lowcore: Convert relocated lowcore alternative to machine feature 2025-03-04 17:18:05 +01:00
alternative.c s390/alternatives: Add debug functionality 2025-03-04 17:18:08 +01:00
asm-offsets.c ARM: 2025-12-05 17:01:20 -08:00
audit.c s390: Remove compat support 2025-11-17 11:10:38 +01:00
cache.c s390/cache: prevent rebuild of shared_cpu_list 2024-03-07 14:41:15 +01:00
cert_store.c s390: Remove optional third argument of strscpy() if possible 2025-04-17 15:16:10 +02:00
cpacf.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
cpcmd.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
cpufeature.c s390: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
crash_dump.c s390: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
ctlreg.c s390: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
debug.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
dis.c s390/fault: Print unmodified PSW address on protection exception 2025-11-14 11:34:28 +01:00
dumpstack.c s390/fault: Print unmodified PSW address on protection exception 2025-11-14 11:34:28 +01:00
early.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
early_printk.c s390/early: Dump register contents and call trace for early crashes 2024-08-22 19:28:11 +02:00
ebcdic.c s390/ebcdic: fix typo in comment 2023-07-27 13:11:35 +02:00
entry.h s390/traps: Change stack overflow message 2025-03-04 17:34:03 +01:00
entry.S ARM: 2025-12-05 17:01:20 -08:00
facility.c s390: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
fpu.c s390: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
ftrace.c s390 updates for 6.15 merge window 2025-03-29 11:59:43 -07:00
ftrace.h s390/ftrace: Remove unused ftrace_plt_template* 2024-08-27 20:16:48 +02:00
guarded_storage.c s390/cpufeature: Convert MACHINE_HAS_GS to cpu_has_gs() 2025-03-04 17:18:04 +01:00
head.S s390: Rename head64.S to head.S 2025-11-25 15:28:07 +01:00
hiperdispatch.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
idle.c s390/idle: Remove duplicate get_lowcore() calls 2024-06-18 17:01:33 +02:00
ima_arch.c
ipl.c s390/ipl: Clear SBP flag when bootprog is set 2025-12-14 11:03:57 +01:00
ipl_vmparm.c s390/cio: remove unused include linux/spinlock.h from cio.h 2021-07-27 09:39:13 +02:00
irq.c s390 updates for 6.15 merge window 2025-03-29 11:59:43 -07:00
jump_label.c jump_label: make initial NOP patching the special case 2022-06-24 09:48:55 +02:00
kdebugfs.c
kexec_elf.c s390: kexec: initialize kexec_buf struct 2025-09-03 17:10:37 -07:00
kexec_image.c s390: kexec: initialize kexec_buf struct 2025-09-03 17:10:37 -07:00
kprobes.c s390/cpufeature: Convert MACHINE_HAS_SEQ_INSN to cpu_has_seq_insn() 2025-03-04 17:18:04 +01:00
lgr.c s390: kernel: convert timeouts to use secs_to_jiffies() 2025-01-12 20:21:01 -08:00
machine_kexec.c s390: Convert MACHINE_IS_[LPAR|VM|KVM], etc, machine_is_[lpar|vm|kvm]() 2025-03-04 17:18:07 +01:00
machine_kexec_file.c s390: kexec: initialize kexec_buf struct 2025-09-03 17:10:37 -07:00
machine_kexec_reloc.c s390/kaslr: add support for R_390_JMP_SLOT relocation type 2020-05-20 10:13:27 +02:00
Makefile s390/vdso: Rename vdso64 to vdso 2025-11-25 15:28:07 +01:00
mcount.S s390/tracing: Enable HAVE_FTRACE_GRAPH_FUNC 2024-12-26 10:50:05 -05:00
module.c s390: Add stackprotector support 2025-11-24 11:45:21 +01:00
nmi.c s390/nmi: Annotate s390_handle_damage() with __noreturn 2025-11-06 14:17:28 +01:00
nospec-branch.c s390/nospec: Push down alternative handling 2024-07-23 16:02:31 +02:00
nospec-sysfs.c s390/nospec: Switch over to sysfs_emit() 2024-10-25 16:03:24 +02:00
numa.c mm/memblock: add memblock_alloc_or_panic interface 2025-01-25 20:22:38 -08:00
os_info.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
perf_cpum_cf.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
perf_cpum_cf_events.c s390/cpumf: Adjust number of leading zeroes for z15 attributes 2025-04-30 11:32:20 +02:00
perf_cpum_sf.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
perf_event.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
perf_pai.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
perf_regs.c s390: Remove compat support 2025-11-17 11:10:38 +01:00
process.c s390: Remove compat support 2025-11-17 11:10:38 +01:00
processor.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
ptrace.c s390: Remove compat support 2025-11-17 11:10:38 +01:00
reipl.S s390/kdump: Make kdump ready for lowcore relocation 2024-07-23 16:02:32 +02:00
relocate_kernel.S s390/relocate_kernel: adjust indentation 2023-04-19 17:24:18 +02:00
rethook.c s390/rethook: add local rethook header file 2023-02-06 11:13:53 +01:00
rethook.h s390/rethook: add local rethook header file 2023-02-06 11:13:53 +01:00
runtime_instr.c s390/runtime_instrumentation: fix storage key handling 2020-08-17 13:17:10 +02:00
setup.c s390: Rename head64.S to head.S 2025-11-25 15:28:07 +01:00
signal.c s390/vdso: Rename vdso64 to vdso 2025-11-25 15:28:07 +01:00
skey.c s390: Remove superfluous newlines from inline assemblies 2025-09-29 13:52:08 +02:00
smp.c s390: Add stackprotector support 2025-11-24 11:45:21 +01:00
stackprotector.c s390: Add stackprotector support 2025-11-24 11:45:21 +01:00
stacktrace.c s390/stacktrace: Do not fallback to RA register 2025-12-14 11:03:58 +01:00
sthyi.c s390: Fix double word in comments 2025-11-06 14:17:27 +01:00
syscall.c s390/syscalls: Switch to generic system call table generation 2025-11-17 11:10:39 +01:00
sysinfo.c s390/sysinfo: Replace sprintf() with snprintf() for buffer safety 2025-10-21 10:17:29 +02:00
text_amode31.S s390/amode31: Use exrl instead of ex 2025-01-13 09:50:17 +01:00
time.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
topology.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
trace.c s390/ftrace: fix potential crashes when switching tracers 2020-04-22 16:20:55 +02:00
traps.c s390/traps: Copy monitor code to pt_regs 2026-01-27 12:16:16 +01:00
unwind_bc.c s390: Explicitly include <linux/export.h> 2025-06-17 18:18:02 +02:00
uprobes.c s390: Remove compat support 2025-11-17 11:10:38 +01:00
uv.c s390: Remove KMSG_COMPONENT macro 2025-11-24 11:45:21 +01:00
vdso.c s390/vdso: Rename vdso64 to vdso 2025-11-25 15:28:07 +01:00
vmcore_info.c s390: Remove __bootdata annotations from declarations 2024-12-15 16:19:04 +01:00
vmlinux.lds.S s390 updates for 6.19 merge window 2025-12-02 16:37:00 -08:00
vtime.c s390/vtime: Remove duplicate get_lowcore() calls 2024-06-18 17:01:33 +02:00
wti.c s390/wti: Add debugfs file to display missed grace periods per cpu 2024-08-29 22:56:35 +02:00