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| author | Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com> | 2013-04-12 17:52:08 +0200 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2013-05-02 17:10:20 +0200 |
| commit | 56bbe686693df7edcca18d1808edd80609e63c31 (patch) | |
| tree | d7dec4848cacf09853f9677d4c8aeebb080050d6 /block/noop-iosched.c | |
| parent | 1553556067cd759f4fae8410bdaad33f5add78cc (diff) | |
| download | op-kernel-dev-56bbe686693df7edcca18d1808edd80609e63c31.zip op-kernel-dev-56bbe686693df7edcca18d1808edd80609e63c31.tar.gz | |
s390/zcrypt: ap bus rescan problem when toggle crypto adapters on/off
The bus rescan process was called simultaneously on
every device failure. This finally leads into race
conditions (double device add/remove actions).
This patch protects the rescan area by mutual exclusion
and improves ap_config_timer handling
Signed-off-by: Ingo Tuchscherer <ingo.tuchscherer@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'block/noop-iosched.c')
0 files changed, 0 insertions, 0 deletions
