s390/stacktrace: save full stack traces

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save_stack_trace() only saves the stack trace of the current context
(interrupt or process context). This is different to what other
architectures like x86 do, which save the full stack trace across
different contexts.

Also extract a __save_stack_trace() helper function which will be used
by a follow on patch.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Tested-by: Peter Oberparleiter <oberpar@linux.vnet.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2016-02-01 14:14:04 +01:00 • committed by Martin Schwidefsky

parent f6331aaccb

commit 66adce8f1f

1 changed files with 12 additions and 9 deletions

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arch/s390/kernel/stacktrace.c

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