s390/dump_stack: use control program identification string

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If running within a level 3 hypervisor, the hypervisor provides a
SYSIB block which contains a control program indentifier string. Use
this string instead of the simple KVM and z/VM strings only. In case
of z/VM this provides addtional information: the z/VM version.

The new string looks similar to this:

Hardware name: IBM 2964 N96 702 (z/VM 6.4.0)

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>

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Heiko Carstens 2017-03-11 12:22:11 +01:00 • committed by Martin Schwidefsky

parent d2f0397425

commit 2f8876f984

1 changed files with 13 additions and 5 deletions

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18

arch/s390/kernel/early.c

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