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Sven Schnelle b56975f463 s390/ipl: Clear SBP flag when bootprog is set 
commit b1aa01d312 upstream.

With z16 a new flag 'search boot program' was introduced for
list-directed IPL (SCSI, NVMe, ECKD DASD). If this flag is set,
e.g. via selecting the "Automatic" value for the "Boot program
selector" control on an HMC load panel, it is copied to the reipl
structure from the initial ipl structure. When a user now sets a
boot prog via sysfs, the flag is not cleared and the bootloader
will again automatically select the boot program, ignoring user
configuration.

To avoid that, clear the SBP flag when a bootprog sysfs file is
written.

Cc: stable@vger.kernel.org
Reviewed-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Sven Schnelle <svens@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
History 2026-01-08 10:14:25 +01:00
..
syscalls s390/syscalls: Avoid creation of arch/arch/ directory 2024-12-05 14:01:14 +01:00
vdso32 more s390 updates for 6.10 merge window 2024-05-21 12:09:36 -07:00
vdso64 s390/vdso: Use one large alternative instead of an alternative branch 2024-09-23 17:57:04 +02:00
.gitignore .gitignore: add SPDX License Identifier 2020-03-25 11:50:48 +01:00
abs_lowcore.c s390: Add infrastructure to patch lowcore accesses 2024-07-23 16:02:32 +02:00
alternative.c s390: Add infrastructure to patch lowcore accesses 2024-07-23 16:02:32 +02:00
asm-offsets.c arch: Add the macro COMPILE_OFFSETS to all the asm-offsets.c 2025-11-02 22:15:22 +09:00
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 2024-03-07 14:41:15 +01:00
cert_store.c fix missing vmalloc.h includes 2024-04-25 20:55:49 -07:00
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/vdso: Move vdso symbol handling to separate header file 2024-09-13 17:28:36 +02:00
cpacf.c s390/crypto: Display Query and Query Authentication Information in sysfs 2024-09-12 14:13:27 +02:00
cpcmd.c s390: include linux/io.h instead of asm/io.h 2023-07-03 11:19:40 +02:00
cpufeature.c s390/uvdevice: autoload module based on CPU facility 2022-07-19 16:18:49 +02:00
crash_dump.c s390/crash: Do not use VM info if os_info does not have it 2024-06-05 17:03:24 +02:00
ctlreg.c s390/ctlreg: add system_ctl_load() 2023-09-19 13:26:57 +02:00
debug.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
diag.c s390/wti: Introduce infrastructure for warning track interrupt 2024-08-29 22:56:34 +02:00
dis.c s390/disassembler: Remove duplicate instruction format RSY_RDRU 2024-09-12 14:13:27 +02:00
dumpstack.c s390: Replace S390_lowcore by get_lowcore() 2024-06-18 17:01:33 +02:00
early.c s390/early: Copy last breaking event address to pt_regs 2025-08-20 18:30:33 +02:00
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/switch_to: use generic header file 2024-02-12 15:03:33 +01:00
entry.S s390/entry: Fix last breaking event handling in case of stack corruption 2025-05-18 08:24:47 +02:00
facility.c KVM: s390: vsie: Fix length of facility list shadowed 2023-12-23 10:41:09 +01:00
fpu.c s390/fpu: Re-add exception handling in load_fpu_state() 2024-07-31 16:30:20 +02:00
ftrace.c s390/ftrace: Avoid extra serialization for graph caller patching 2024-08-29 22:56:34 +02:00
ftrace.h s390/ftrace: Remove unused ftrace_plt_template* 2024-08-27 20:16:48 +02:00
guarded_storage.c s390: use control register bit defines 2023-09-19 13:26:57 +02:00
head64.S s390/head64: Make startup code ready for lowcore relocation 2024-07-23 16:02:32 +02:00
hiperdispatch.c s390/hiperdispatch: Add hiperdispatch debug counters 2024-08-29 22:56:35 +02:00
idle.c s390/idle: Remove duplicate get_lowcore() calls 2024-06-18 17:01:33 +02:00
ima_arch.c s390/kexec_file: Disable kexec_load when IPLed secure 2019-04-29 10:44:03 +02:00
ipl.c s390/ipl: Clear SBP flag when bootprog is set 2026-01-08 10:14:25 +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/wti: Introduce infrastructure for warning track interrupt 2024-08-29 22:56:34 +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 s390, crash: wrap crash dumping code into crash related ifdefs 2024-02-23 17:48:23 -08:00
kexec_image.c s390, crash: wrap crash dumping code into crash related ifdefs 2024-02-23 17:48:23 -08:00
kprobes.c s390/entry: Mark IRQ entries to fix stack depot warnings 2024-12-09 10:41:03 +01:00
lgr.c s390/lgr: use simple assignment instead of memcpy 2022-02-06 23:31:29 +01:00
machine_kexec.c s390/kdump: Make kdump ready for lowcore relocation 2024-07-23 16:02:32 +02:00
machine_kexec_file.c s390, crash: wrap crash dumping code into crash related ifdefs 2024-02-23 17:48:23 -08:00
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/crypto: Display Query and Query Authentication Information in sysfs 2024-09-12 14:13:27 +02:00
mcount.S s390: Use MARCH_HAS_*_FEATURES defines 2024-09-07 17:12:42 +02:00
module.c arch: make execmem setup available regardless of CONFIG_MODULES 2024-05-14 00:31:44 -07:00
nmi.c s390/nmi: Remove duplicate get_lowcore() calls 2024-06-18 17:01:33 +02:00
nospec-branch.c s390/nospec: Push down alternative handling 2024-07-23 16:02:31 +02:00
nospec-sysfs.c s390/nospec: Push down alternative handling 2024-07-23 16:02:31 +02:00
numa.c arch, mm: move definition of node_data to generic code 2024-09-03 21:15:28 -07:00
os_info.c s390/os_info: Fix array size in struct os_info 2024-04-29 17:33:29 +02:00
perf_cpum_cf.c s390/cpum_cf: Deny all sampling events by counter PMU 2025-09-19 16:35:44 +02:00
perf_cpum_cf_events.c s390/cpum_cf: make crypto counters upward compatible across machine types 2024-04-09 17:29:56 +02:00
perf_cpum_sf.c s390/cpumf: Fix double free on error in cpumf_pmu_event_init() 2025-04-20 10:16:02 +02:00
perf_event.c s390/stacktrace: Merge perf_callchain_user() and arch_stack_walk_user() 2024-05-14 13:37:06 +02:00
perf_pai_crypto.c s390/pai: Deny all events not handled by this PMU 2025-09-19 16:35:44 +02:00
perf_pai_ext.c s390/pai: Deny all events not handled by this PMU 2025-09-19 16:35:44 +02:00
perf_regs.c s390/fpu: remove anonymous union from struct fpu 2024-02-16 14:30:16 +01:00
process.c s390: Replace S390_lowcore by get_lowcore() 2024-06-18 17:01:33 +02:00
processor.c s390/alternatives: Move text sync functions 2024-07-23 16:02:31 +02:00
ptrace.c s390/fpu: remove anonymous union from struct fpu 2024-02-16 14:30:16 +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/sclp: Initialize sclp subsystem via arch_cpu_finalize_init() 2025-02-08 09:58:07 +01:00
signal.c s390/vdso: Move vdso symbol handling to separate header file 2024-09-13 17:28:36 +02:00
smp.c s390/smp: Fix fallback CPU detection 2025-12-18 13:54:47 +01:00
stacktrace.c s390/stacktrace: Use break instead of return statement 2024-12-09 10:41:06 +01:00
sthyi.c s390/sthyi: Use cached data when diag is busy 2024-07-10 19:50:45 +02:00
syscall.c s390 updates for 6.11 merge window 2024-07-18 15:41:45 -07:00
sysinfo.c [tree-wide] finally take no_llseek out 2024-09-27 08:18:43 -07:00
text_amode31.S s390/hypfs_diag0c: fix virtual vs physical address confusion 2024-02-09 13:58:13 +01:00
time.c s390/stp: Remove udelay from stp_sync_clock() 2025-08-20 18:30:32 +02:00
topology.c s390/hiperdispatch: Introduce hiperdispatch 2024-08-29 22:56:35 +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 13:01:58 +01:00
unwind_bc.c s390/unwind: disable KMSAN checks 2024-07-03 19:30:25 -07:00
uprobes.c s390/switch_to: use generic header file 2024-02-12 15:03:33 +01:00
uv.c s390/uv: convert gmap_destroy_page() from follow_page() to folio_walk 2024-09-01 20:26:01 -07:00
vdso.c s390/vdso: Wire up getrandom() vdso implementation 2024-09-13 20:57:31 +02:00
vmcore_info.c s390/vmcoreinfo: Store virtual memory layout 2024-04-17 13:38:01 +02:00
vmlinux.lds.S s390/vmlinux.lds.S: Move .vmlinux.info to end of allocatable sections 2025-10-19 16:33:43 +02:00
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