s390/debug: fix debug area life cycle

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Currently allocation and registration of s390dbf debug areas are tied
together. As a result, a debug area cannot be unregistered and
re-registered while any process has an associated debugfs file open.

Fix this by splitting alloc/release from register/unregister.

Signed-off-by: Peter Oberparleiter <oberpar@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>

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Peter Oberparleiter 2021-08-13 15:05:03 +02:00 • committed by Heiko Carstens

parent 1204777867

commit 9372a82892

1 changed files with 56 additions and 46 deletions

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102

arch/s390/kernel/debug.c

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