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
..
appldata	s390: appldata: drop owner assignment from platform_drivers	2014-10-20 16:20:13 +02:00
boot	s390: remove "64" suffix from a couple of files	2015-03-25 11:49:34 +01:00
configs	s390: new default configuration	2015-06-25 09:39:25 +02:00
crypto	Merge git://git.kernel.org/pub/scm/linux/kernel/git/herbert/crypto-2.6	2015-05-22 14:26:36 -07:00
hypfs	Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs	2015-07-04 19:36:06 -07:00
include	mm: clean up per architecture MM hook header files	2015-07-17 16:39:53 -07:00
kernel	s390/cachinfo: add missing facility check to init_cache_level()	2015-07-28 08:54:42 +02:00
kvm	The bulk of the changes here is for x86. And for once it's not	2015-06-24 09:36:49 -07:00
lib	s390: remove "64" suffix from mem64.S and swsusp_asm64.S	2015-03-25 11:49:51 +01:00
mm	revert "s390/mm: make hugepages_supported a boot time decision"	2015-07-17 16:39:52 -07:00
net	s390/bpf: clear correct BPF accumulator register	2015-07-27 09:08:11 +02:00
oprofile	s390/oprofile: fix compile error	2015-07-01 09:34:39 +02:00
pci	s390/pci: improve handling of hotplug event 0x301	2015-06-18 15:45:54 +02:00
Kbuild	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
Kconfig	s390/bpf: add dependency to z196 features	2015-04-23 16:55:50 +02:00
Kconfig.debug	Kconfig: consolidate CONFIG_DEBUG_STRICT_USER_COPY_CHECKS	2013-04-30 17:04:09 -07:00
Makefile	s390: remove 31 bit support	2015-03-25 11:49:33 +01:00
defconfig	s390: new default configuration	2015-06-25 09:39:25 +02:00