s390/unwind: add stack pointer alignment sanity checks

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ABI requires SP to be aligned 8 bytes, report unwinding error otherwise.

Link: https://lkml.kernel.org/r/20191106095601.29986-5-mbenes@suse.cz
Reviewed-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Tested-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Miroslav Benes <mbenes@suse.cz>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>

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Miroslav Benes 2019-11-27 19:35:19 +01:00 • committed by Vasily Gorbik

parent bf018ee644

commit be2d11b2a1

2 changed files with 8 additions and 0 deletions

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4

arch/s390/kernel/dumpstack.c

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4

arch/s390/kernel/unwind_bc.c

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