Vasily Gorbik e991e5bb11 s390/stacktrace: use common arch_stack_walk infrastructure ...

Use common arch_stack_walk infrastructure to avoid duplicated code and
avoid taking care of the stack storage and filtering.

Common code also uses try_get_task_stack/put_task_stack when needed which
have been missing in our code, which also solves potential problem for us.

Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

2019-08-21 12:58:53 +02:00

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