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linux/arch/s390/kernel
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Heiko Carstens d09cf51421 s390/traps: Fix test_monitor_call() inline assembly 
commit 5623bc23a1 upstream.

The test_monitor_call() inline assembly uses the xgr instruction, which
also modifies the condition code, to clear a register. However the clobber
list of the inline assembly does not specify that the condition code is
modified, which may lead to incorrect code generation.

Use the lhi instruction instead to clear the register without that the
condition code is modified. Furthermore this limits clearing to the lower
32 bits of val, since its type is int.

Fixes: 17248ea036 ("s390: fix __EMIT_BUG() macro")
Cc: stable@vger.kernel.org
Reviewed-by: Juergen Christ <jchrist@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2025-03-13 12:53:15 +01:00
..
syscalls s390/syscalls: Avoid creation of arch/arch/ directory 2024-12-14 19:53:16 +01:00
vdso32 s390/vdso: Use standard stack frame layout 2024-06-12 11:03:43 +02:00
vdso64 s390/vdso: Use standard stack frame layout 2024-06-12 11:03:43 +02:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
abs_lowcore.c s390/smp: rework absolute lowcore access 2022-09-14 16:46:00 +02:00
alternative.c s390/alternatives: remove padding generation code 2022-05-17 15:16:28 +02:00
asm-offsets.c s390/stack: add union to reflect kvm stack slot usages 2022-06-01 12:03:17 +02:00
audit.c audit: add support for the openat2 syscall 2021-10-01 16:52:48 -04:00
audit.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
cache.c s390/cache: prevent rebuild of shared_cpu_list 2024-03-26 18:20:40 -04:00
compat_audit.c audit: add support for the openat2 syscall 2021-10-01 16:52:48 -04:00
compat_linux.c s390: use generic UID16 implementation 2019-01-18 09:33:18 +01:00
compat_linux.h s390/compat: cleanup compat_linux.h header file 2022-05-06 20:45:16 +02:00
compat_ptrace.h License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
compat_signal.c s390/signal: fix typo in comments 2022-03-08 00:33:01 +01:00
cpcmd.c s390/cpcmd: use physical address for command and response 2021-10-26 15:21:28 +02:00
cpufeature.c s390/uvdevice: autoload module based on CPU facility 2022-07-19 16:18:49 +02:00
crash_dump.c use less confusing names for iov_iter direction initializers 2023-02-09 11:28:04 +01:00
debug.c s390: move from strlcpy with unused retval to strscpy 2022-08-30 22:00:33 +02:00
diag.c s390/extable: move EX_TABLE define to asm-extable.h 2022-03-08 00:33:00 +01:00
dis.c s390/disassembler: update opcode table 2021-12-16 19:58:07 +01:00
dumpstack.c exit: Add and use make_task_dead. 2021-12-13 12:04:45 -06:00
early.c s390/smp,mcck: fix early IPI handling 2024-08-29 17:30:29 +02:00
early_printk.c s390/sclp: remove unused sclp_early_printk_forced 2020-09-21 08:08:44 +02:00
earlypgm.S s390: generate register offsets into pt_regs automatically 2022-05-25 11:46:02 +02:00
ebcdic.c s390: ebcdic: convert comments to UTF-8 2018-08-23 18:48:43 -07:00
entry.h s390: simplify early program check handler 2022-05-25 11:46:02 +02:00
entry.S s390/entry: Mark IRQ entries to fix stack depot warnings 2024-12-14 19:54:14 +01:00
fpu.c s390: convert to generic entry 2021-01-19 12:29:26 +01:00
ftrace.c ftrace: Remove return value of ftrace_arch_modify_*() 2022-05-26 21:13:00 -04:00
ftrace.h s390: raise minimum supported machine generation to z10 2022-03-10 15:58:17 +01:00
guarded_storage.c Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/s390/linux 2017-11-13 11:47:01 -08:00
head64.S s390/early: fix sclp_early_sccb variable lifetime 2023-03-10 09:32:53 +01:00
idle.c s390/idle: mark arch_cpu_idle() noinstr 2023-03-10 09:33:52 +01:00
ima_arch.c s390/kexec_file: Disable kexec_load when IPLed secure 2019-04-29 10:44:03 +02:00
ipl.c s390/ipl: Fix incorrect initialization of nvme dump block 2024-06-12 11:03:43 +02:00
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/irq: utilize RCU instead of irq_lock_sparse() in show_msi_interrupt() 2022-04-27 12:53:34 +02:00
jump_label.c jump_label: make initial NOP patching the special case 2022-06-24 09:48:55 +02:00
kdebugfs.c s390: no need to check return value of debugfs_create functions 2019-01-28 15:58:55 +01:00
kexec_elf.c kexec: Fix file verification on S390 2019-09-10 13:27:51 +01:00
kexec_image.c kexec_file: split KEXEC_VERIFY_SIG into KEXEC_SIG and KEXEC_SIG_FORCE 2019-08-19 21:54:15 -07:00
kprobes.c s390/entry: Mark IRQ entries to fix stack depot warnings 2024-12-14 19:54:14 +01:00
kprobes_insn_page.S s390/kprobes: move insn_page to text segment 2020-10-09 23:45:30 +02:00
lgr.c s390/lgr: use simple assignment instead of memcpy 2022-02-06 23:31:29 +01:00
machine_kexec.c s390/smp: rework absolute lowcore access 2022-09-14 16:46:00 +02:00
machine_kexec_file.c s390/kexec: fix ipl report address for kdump 2023-01-18 11:58:11 +01:00
machine_kexec_reloc.c s390/kaslr: add support for R_390_JMP_SLOT relocation type 2020-05-20 10:13:27 +02:00
Makefile rethook, fprobe: do not trace rethook related functions 2023-05-24 17:32:53 +01:00
mcount.S s390/kprobes: Avoid additional kprobe in kretprobe handling 2022-03-10 15:58:17 +01:00
module.c jump_label: mips: move module NOP patching into arch code 2022-06-24 09:48:55 +02:00
nmi.c s390/boot: fix absolute zero lowcore corruption on boot 2022-09-07 14:04:01 +02:00
nospec-branch.c s390: raise minimum supported machine generation to z10 2022-03-10 15:58:17 +01:00
nospec-sysfs.c s390: introduce nospec_uses_trampoline() 2021-10-26 15:21:29 +02:00
numa.c drivers/base/node: consolidate node device subsystem initialization in node_dev_init() 2022-03-22 15:57:10 -07:00
os_info.c s390/mm: uninline copy_oldmem_kernel() function 2022-09-14 16:46:01 +02:00
perf_cpum_cf.c s390/cpumf: support user space events for counting 2024-01-10 17:10:30 +01:00
perf_cpum_cf_common.c s390/cpumf: Support for CPU Measurement Facility CSVN 7 2022-01-17 14:13:08 +01:00
perf_cpum_cf_events.c s390/cpumf: add new extended counter set for IBM z16 2022-05-16 10:58:33 +02:00
perf_cpum_sf.c s390/cpum_sf: Handle CPU hotplug remove during sampling 2024-12-14 19:54:37 +01:00
perf_event.c s390/stack: add union to reflect kvm stack slot usages 2022-06-01 12:03:17 +02:00
perf_pai_crypto.c s390/pai: fix attr_event_free upper limit for pai device drivers 2024-03-26 18:20:34 -04:00
perf_pai_ext.c s390/pai: fix attr_event_free upper limit for pai device drivers 2024-03-26 18:20:34 -04:00
perf_regs.c perf/arch: Remove perf_sample_data::regs_user_copy 2020-11-09 18:12:34 +01:00
process.c treewide: use get_random_{u8,u16}() when possible, part 2 2022-10-11 17:42:58 -06:00
processor.c s390/cpufeature: rework to allow more than only hwcap bits 2022-07-19 16:18:49 +02:00
ptrace.c s390/ptrace: handle setting of fpc register correctly 2024-02-05 20:12:49 +00:00
reipl.S s390: add missing ENDPROC statements to assembler functions 2019-05-02 13:54:11 +02:00
relocate_kernel.S s390/kexec: set end-of-ipl flag in last diag308 call 2022-04-25 13:54:12 +02:00
runtime_instr.c s390/runtime_instrumentation: fix storage key handling 2020-08-17 13:17:10 +02:00
setup.c s390/boot: Remove alt_stfle_fac_list from decompressor 2024-06-12 11:03:44 +02:00
signal.c ptrace: Cleanups for v5.18 2022-03-28 17:29:53 -07:00
smp.c s390/smp,mcck: fix early IPI handling 2024-08-29 17:30:29 +02:00
stacktrace.c s390: remove invalid email address of Heiko Carstens 2022-02-06 23:31:29 +01:00
sthyi.c KVM: s390: fix sthyi error handling 2023-08-11 12:08:11 +02:00
syscall.c s390: add support for BEAR enhancement facility 2021-10-26 15:21:29 +02:00
sysinfo.c s390/extable: move EX_TABLE define to asm-extable.h 2022-03-08 00:33:00 +01:00
text_amode31.S s390/extable: move EX_TABLE define to asm-extable.h 2022-03-08 00:33:00 +01:00
time.c s390/stp: clock_delta should be signed 2022-05-11 14:40:57 +02:00
topology.c s390/topology: honour nr_cpu_ids when adding CPUs 2023-06-09 10:34:13 +02:00
trace.c s390/ftrace: fix potential crashes when switching tracers 2020-04-22 16:20:55 +02:00
traps.c s390/traps: Fix test_monitor_call() inline assembly 2025-03-13 12:53:15 +01:00
unwind_bc.c s390/unwind: avoid duplicated unwinding entries for kretprobes 2022-03-27 22:18:39 +02:00
uprobes.c s390: raise minimum supported machine generation to z10 2022-03-10 15:58:17 +01:00
uv.c s390/uv: Don't call folio_wait_writeback() without a folio reference 2024-08-03 08:49:12 +02:00
vdso.c treewide: use prandom_u32_max() when possible, part 1 2022-10-11 17:42:55 -06:00
vmlinux.lds.S s390/vmlinux.lds.S: Move ro_after_init section behind rodata section 2024-09-12 11:10:24 +02:00
vtime.c s390/vtime: fix average steal time calculation 2024-03-26 18:20:59 -04:00