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Commit e0ffcf3f authored by Heiko Carstens's avatar Heiko Carstens
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s390/stack: add union to reflect kvm stack slot usages



Add a union which describes how the empty stack slots are being used
by kvm and perf. This should help to avoid another bug like the one
which was fixed with commit c9bfb460 ("s390/perf: obtain sie_block
from the right address").

Reviewed-by: default avatarNico Boehr <nrb@linux.ibm.com>
Tested-by: default avatarNico Boehr <nrb@linux.ibm.com>
Signed-off-by: default avatarHeiko Carstens <hca@linux.ibm.com>
parent f037acb4
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