iv/linux
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity
linux/arch/s390/kernel
History
Philipp Rudo 8ebf6da9db s390/ftrace: fix potential crashes when switching tracers 
Switching tracers include instruction patching. To prevent that a
instruction is patched while it's read the instruction patching is done
in stop_machine 'context'. This also means that any function called
during stop_machine must not be traced. Thus add 'notrace' to all
functions called within stop_machine.

Fixes: 1ec2772e0c3c ("s390/diag: add a statistic for diagnose calls")
Fixes: 38f2c691a4b3 ("s390: improve wait logic of stop_machine")
Fixes: 4ecf0a43e729 ("processor: get rid of cpu_relax_yield")
Signed-off-by: Philipp Rudo <prudo@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
2020-04-22 16:20:55 +02:00
..
syscalls
threads-v5.6
2020-01-29 19:38:34 -08:00
vdso64
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
.gitignore
.gitignore: add SPDX License Identifier
2020-03-25 11:50:48 +01:00
alternative.c
s390: add automatic detection of the spectre defense
2018-03-28 08:38:24 +02:00
asm-offsets.c
s390: prevent leaking kernel address in BEAR
2020-03-10 15:16:25 +01:00
audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
audit.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
base.S
s390/base: remove unused s390_base_mcck_handler
2019-09-03 13:53:56 +02:00
cache.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compat_audit.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
compat_linux.c
s390: use generic UID16 implementation
2019-01-18 09:33:18 +01:00
compat_linux.h
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
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
signal: Remove task parameter from force_sig
2019-05-27 09:36:28 -05:00
cpcmd.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
crash_dump.c
memblock: memblock_phys_alloc(): don't panic
2019-03-12 10:04:01 -07:00
debug.c
docs: s390: unify and update s390dbf kdocs at debug.c
2019-07-05 13:42:22 +02:00
diag.c
s390/ftrace: fix potential crashes when switching tracers
2020-04-22 16:20:55 +02:00
dis.c
s390/disassembler: don't hide instruction addresses
2019-11-12 11:24:10 +01:00
dumpstack.c
sched/rt, s390: Use CONFIG_PREEMPTION
2019-12-08 14:37:35 +01:00
early_printk.c
s390/sclp: avoid using strncmp with hardcoded length
2019-08-29 15:34:58 +02:00
early.c
s390: remove last diag 0x44 caller
2019-12-11 19:53:24 +01:00
ebcdic.c
s390: ebcdic: convert comments to UTF-8
2018-08-23 18:48:43 -07:00
entry.h
s390/mm: add (non)secure page access exceptions handlers
2020-02-27 19:44:40 +01:00
entry.S
s390: prevent leaking kernel address in BEAR
2020-03-10 15:16:25 +01:00
fpu.c
s390: correct some inline assembly constraints
2019-04-17 10:40:57 +02:00
ftrace.c
s390: support KPROBES_ON_FTRACE
2020-01-30 13:07:55 +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/head64: correct init_task stack setup
2019-11-30 10:52:45 +01:00
idle.c
s390/idle: fix cpu idle time calculation
2019-10-31 17:26:48 +01:00
ima_arch.c
s390/kexec_file: Disable kexec_load when IPLed secure
2019-04-29 10:44:03 +02:00
ipl_vmparm.c
s390/ipl: provide uapi header for list directed IPL
2019-04-26 12:34:05 +02:00
ipl.c
s390/ipl: add support to control memory clearing for FCP and CCW re-IPL
2020-03-23 13:41:54 +01:00
irq.c
s390/irq: make init_ext_interrupts static
2020-03-11 14:18:44 +01:00
jump_label.c
s390/jump_label: remove unused structure definition
2019-06-07 10:10:10 +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: support KPROBES_ON_FTRACE
2020-01-30 13:07:55 +01:00
lgr.c
s390: kernel: add SPDX identifiers to the remaining files
2017-11-24 15:37:12 +01:00
machine_kexec_file.c
Merge branch 'next-lockdown' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security
2019-09-28 08:14:15 -07:00
machine_kexec_reloc.c
s390/kaslr: add support for R_390_GLOB_DAT relocation type
2019-10-22 17:55:51 +02:00
machine_kexec.c
s390: remove broken hibernate / power management support
2020-03-23 13:41:55 +01:00
Makefile
s390 updates for the 5.7 merge window
2020-04-04 09:45:50 -07:00
mcount.S
s390: support KPROBES_ON_FTRACE
2020-01-30 13:07:55 +01:00
module.c
s390/module: avoid using strncmp with hardcoded length
2019-08-29 15:34:57 +02:00
nmi.c
s390: simplify disabled_wait
2019-05-02 13:54:11 +02:00
nospec-branch.c
s390 updates for the 5.2 merge window
2019-05-06 16:42:54 -07:00
nospec-sysfs.c
s390: Convert IS_ENABLED uses to __is_defined
2019-04-11 13:36:53 +02:00
os_info.c
License cleanup: add SPDX GPL-2.0 license identifier to files with no license
2017-11-02 11:10:55 +01:00
perf_cpum_cf_common.c
s390/cpum_cf: move common functions into a separate file
2019-02-22 09:19:55 +01:00
perf_cpum_cf_diag.c
s390/cpumf: Adjust registration of s390 PMU device drivers
2019-11-20 17:16:01 +01:00
perf_cpum_cf_events.c
s390/cpum_cf: Add new extended counters for IBM z15
2020-03-10 15:16:25 +01:00
perf_cpum_cf.c
s390/cpumf: Adjust registration of s390 PMU device drivers
2019-11-20 17:16:01 +01:00
perf_cpum_sf.c
s390/cpum_sf: Fix wrong page count in error message
2020-03-25 12:39:37 +01:00
perf_event.c
s390: add error handling to perf_callchain_kernel
2019-10-31 17:20:54 +01:00
perf_regs.c
s390/perf: fix gcc 8 array-bounds warning
2018-07-02 11:24:54 +02:00
pgm_check.S
s390/mm: add (non)secure page access exceptions handlers
2020-02-27 19:44:40 +01:00
process.c
s390: prevent leaking kernel address in BEAR
2020-03-10 15:16:25 +01:00
processor.c
s390/cpuinfo: do not skip info for CPUs without MHz feature
2020-03-23 13:41:55 +01:00
ptrace.c
seccomp: simplify secure_computing()
2019-10-10 14:55:24 -07:00
reipl.S
s390: add missing ENDPROC statements to assembler functions
2019-05-02 13:54:11 +02:00
relocate_kernel.S
s390: add missing ENDPROC statements to assembler functions
2019-05-02 13:54:11 +02:00
runtime_instr.c
s390/runtime_instrumentation: re-add signum system call parameter
2018-02-05 07:34:50 +01:00
setup.c
s390 updates for the 5.7 merge window
2020-04-04 09:45:50 -07:00
signal.c
s390: use fallthrough;
2020-03-25 12:39:37 +01:00
smp.c
s390/ftrace: fix potential crashes when switching tracers
2020-04-22 16:20:55 +02:00
stacktrace.c
s390/livepatch: Implement reliable stack tracing for the consistency model
2019-11-30 10:52:48 +01:00
sthyi.c
s390/sthyi: Fix machine name validity indication
2018-10-15 12:17:00 +02:00
sys_s390.c
s390: autogenerate compat syscall wrappers
2019-01-18 09:33:19 +01:00
sysinfo.c
s390: no need to check return value of debugfs_create functions
2019-01-28 15:58:55 +01:00
time.c
s390/time: remove monotonic_clock()
2019-10-31 17:20:52 +01:00
topology.c
s390: use fallthrough;
2020-03-25 12:39:37 +01:00
trace.c
s390/ftrace: fix potential crashes when switching tracers
2020-04-22 16:20:55 +02:00
traps.c
s390/traps: mark test_monitor_call __init
2020-03-11 14:18:44 +01:00
unwind_bc.c
s390/unwind: stop gracefully at user mode pt_regs in irq stack
2019-12-18 23:29:26 +01:00
uprobes.c
s390/uprobes: implement arch_uretprobe_is_alive()
2018-04-23 07:57:16 +02:00
uv.c
s390/protvirt: Add sysfs firmware interface for Ultravisor information
2020-02-27 19:44:40 +01:00
vdso.c
s390: remove compat vdso code
2019-12-01 12:48:49 +01:00
vmlinux.lds.S
vmlinux.lds.h: Replace RW_DATA_SECTION with RW_DATA
2019-11-04 15:57:41 +01:00
vtime.c
sched/cputime: Rename vtime_account_system() to vtime_account_kernel()
2019-10-09 12:39:25 +02:00