Heiko Carstens 0b991f5cdc s390/cachinfo: add missing facility check to init_cache_level() ... Stephen Powell reported the following crash on a z890 machine: Kernel BUG at 00000000001219d0 [verbose debug info unavailable] illegal operation: 0001 ilc:3 [#1] SMP Krnl PSW : 0704e00180000000 00000000001219d0 (init_cache_level+0x38/0xe0) R:0 T:1 IO:1 EX:1 Key:0 M:1 W:0 P:0 AS:3 CC:2 PM:0 EA:3 Krnl Code: 00000000001219c2: a7840056 brc 8,121a6e 00000000001219c6: a7190000 lghi %r1,0 #00000000001219ca: eb101000004c ecag %r1,%r0,0(%r1) >00000000001219d0: a7390000 lghi %r3,0 00000000001219d4: e310f0a00024 stg %r1,160(%r15) 00000000001219da: a7080000 lhi %r0,0 00000000001219de: a7b9f000 lghi %r11,-4096 00000000001219e2: c0a0002899d9 larl %r10,634d94 Call Trace: [<0000000000478ee2>] detect_cache_attributes+0x2a/0x2b8 [<000000000097c9b0>] cacheinfo_sysfs_init+0x60/0xc8 [<00000000001001c0>] do_one_initcall+0x98/0x1c8 [<000000000094fdc2>] kernel_init_freeable+0x212/0x2d8 [<000000000062352e>] kernel_init+0x26/0x118 [<000000000062fd2e>] kernel_thread_starter+0x6/0xc The illegal operation was executed because of a missing facility check, which should have made sure that the ECAG execution would only be executed on machines which have the general-instructions-extension facility installed. Reported-and-tested-by: Stephen Powell <zlinuxman@wowway.com> Cc: stable@vger.kernel.org # v4.0+ Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>		2015-07-28 08:54:42 +02:00
..
vdso32	s390/vdso: fix stack corruption	2014-10-27 13:27:02 +01:00
vdso64	s390/vdso: fix clock_gettime for CLOCK_THREAD_CPUTIME_ID, -2 and -3	2015-02-12 09:37:21 +01:00
.gitignore	…
Makefile	s390: remove "64" suffix from mem64.S and swsusp_asm64.S	2015-03-25 11:49:51 +01:00
asm-offsets.c	s390: adapt entry.S to the move of thread_struct	2015-07-20 13:22:18 +02:00
audit.c	…
audit.h	…
base.S	s390/kdump: fix nosmt kernel parameter	2015-06-25 09:39:26 +02:00
cache.c	s390/cachinfo: add missing facility check to init_cache_level()	2015-07-28 08:54:42 +02:00
compat_audit.c	…
compat_linux.c	groups: Consolidate the setgroups permission checks	2014-12-05 17:19:27 -06:00
compat_linux.h	s390: add support for vector extension	2014-10-09 09:14:13 +02:00
compat_ptrace.h	…
compat_signal.c	s390: Remove signal translation and exec_domain	2015-04-12 20:58:25 +02:00
compat_wrapper.c	clone: support passing tls argument via C rather than pt_regs magic	2015-06-25 17:00:38 -07:00
cpcmd.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
crash_dump.c	s390/kdump: fix nosmt kernel parameter	2015-06-25 09:39:26 +02:00
debug.c	s390: time: Provide read_boot_clock64() and read_persistent_clock64()	2015-05-22 10:36:29 -07:00
diag.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
dis.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
dumpstack.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
early.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
ebcdic.c	…
entry.S	s390: adapt entry.S to the move of thread_struct	2015-07-20 13:22:18 +02:00
entry.h	s390/signal: add sys_sigreturn and sys_rt_sigreturn declarations	2015-01-08 10:02:49 +01:00
ftrace.c	s390/maccess: remove potentially broken probe_kernel_write()	2015-03-25 11:49:43 +01:00
head.S	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
head64.S	s390: fix kernel crash due to linkage stack instructions	2014-02-05 11:00:50 +01:00
head_kdump.S	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
idle.c	s390/idle: convert open coded idle time seqcount	2014-12-08 09:42:32 +01:00
ipl.c	s390/ipl: cleanup macro usage	2015-03-25 11:49:50 +01:00
irq.c	Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/net-next	2015-04-15 09:00:47 -07:00
jump_label.c	s390/maccess: remove potentially broken probe_kernel_write()	2015-03-25 11:49:43 +01:00
kprobes.c	s390/maccess: remove potentially broken probe_kernel_write()	2015-03-25 11:49:43 +01:00
lgr.c	…
machine_kexec.c	s390: add SMT support	2015-01-22 12:16:01 +01:00
mcount.S	s390/ftrace: hotpatch support for function tracing	2015-01-29 09:19:25 +01:00
module.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
nmi.c	s390/nmi: fix vector register corruption	2015-07-13 11:02:21 +02:00
os_info.c	Include missing linux/slab.h inclusions	2013-04-29 15:42:01 -04:00
perf_cpum_cf.c	s390: Replace __get_cpu_var uses	2014-08-26 13:45:52 -04:00
perf_cpum_cf_events.c	s390/cpum_cf: Export event names in sysfs	2013-12-16 14:37:50 +01:00
perf_cpum_sf.c	kernel/params: constify struct kernel_param_ops uses	2015-05-28 11:32:10 +09:30
perf_event.c	s390/perf: make print_debug_cf() static	2014-03-14 12:59:32 +01:00
pgm_check.S	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
process.c	s390/process: fix sfpc inline assembly	2015-07-13 11:02:18 +02:00
processor.c	s390/ftrace: fix crashes when switching tracers / add notrace to cpu_relax()	2015-03-02 11:35:53 -08:00
ptrace.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
reipl.S	s390: remove "64" suffix from a couple of files	2015-03-25 11:49:34 +01:00
relocate_kernel.S	s390: remove "64" suffix from a couple of files	2015-03-25 11:49:34 +01:00
runtime_instr.c	s390/irq: Use defines for external interruption codes	2014-04-03 14:30:52 +02:00
s390_ksyms.c	s390: use IS_ENABLED to check if a CONFIG is set to y or m	2013-12-16 14:38:04 +01:00
sclp.S	s390/sclp: clear upper register halves in _sclp_print_early	2015-07-07 09:28:29 +02:00
setup.c	revert "s390/mm: make hugepages_supported a boot time decision"	2015-07-17 16:39:52 -07:00
signal.c	Merge branch 'exec_domain_rip_v2' of git://git.kernel.org/pub/scm/linux/kernel/git/rw/misc	2015-04-15 13:53:55 -07:00
smp.c	s390/kdump: fix compile for !SMP	2015-06-29 10:13:11 +02:00
stacktrace.c	…
suspend.c	PCI: Include <linux/pci.h>, not <asm/pci.h>	2015-06-08 07:55:03 -05:00
swsusp.S	s390: remove "64" suffix from mem64.S and swsusp_asm64.S	2015-03-25 11:49:51 +01:00
sys_s390.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
syscalls.S	s390: remove 31 bit syscalls	2015-03-25 11:49:35 +01:00
sysinfo.c	Fairly small update, but there are some interesting new features.	2015-02-13 09:55:09 -08:00
time.c	s390: time: Provide read_boot_clock64() and read_persistent_clock64()	2015-05-22 10:36:29 -07:00
topology.c	s390: make couple of functions and variables static	2015-03-25 11:49:45 +01:00
traps.c	s390: adapt entry.S to the move of thread_struct	2015-07-20 13:22:18 +02:00
uprobes.c	s390/uprobes: fix address space annotation	2015-03-25 11:49:47 +01:00
vdso.c	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
vmlinux.lds.S	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
vtime.c	s390: add SMT support	2015-01-22 12:16:01 +01:00