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Heiko Carstens c371fe0190 s390/uprobes: implement arch_uretprobe_is_alive() 
commit 783c3b53b9 upstream.

Implement s390 specific arch_uretprobe_is_alive() to avoid SIGSEGVs
observed with uretprobes in combination with setjmp/longjmp.

See commit 2dea1d9c38 ("powerpc/uprobes: Implement
arch_uretprobe_is_alive()") for more details.

With this implemented all test cases referenced in the above commit
pass.

Reported-by: Ziqian SUN <zsun@redhat.com>
Cc: <stable@vger.kernel.org> # v4.3+
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
 		2018-04-29 11:33:18 +02:00
..
appldata License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
boot License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
configs s390: fix zfcpdump-config 2017-10-16 08:19:01 +02:00
crypto crypto: hash - annotate algorithms taking optional key 2018-02-16 20:23:00 +01:00
hypfs hypfs_kill_super(): deal with failed allocations 2018-04-24 09:36:38 +02:00
include s390: correct nospec auto detection init order 2018-04-29 11:33:16 +02:00
kernel s390/uprobes: implement arch_uretprobe_is_alive() 2018-04-29 11:33:18 +02:00
kvm KVM: s390: force bp isolation for VSIE 2018-04-29 11:33:15 +02:00
lib License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
mm s390/mm: fix off-by-one bug in 5-level page table handling 2017-12-14 09:52:56 +01:00
net bpf, s390x: do not reload skb pointers in non-skb context 2017-12-25 14:26:31 +01:00
numa License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
oprofile License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
pci s390/pci: do not require AIS facility 2017-12-10 13:40:38 +01:00
tools License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Kbuild s390/crypto: Provide s390 specific arch random functionality. 2017-04-26 13:41:35 +02:00
Kconfig s390: add sysfs attributes for spectre 2018-04-29 11:33:15 +02:00
Kconfig.debug License cleanup: add SPDX GPL-2.0 license identifier to files with no license 2017-11-02 11:10:55 +01:00
Makefile s390: add automatic detection of the spectre defense 2018-04-29 11:33:15 +02:00
defconfig s390: update defconfig 2017-06-08 15:53:48 +02:00