commit | 6ab4879a0d074c938fd17dba141dce042fc17bee | [log] [tgz] |
---|---|---|
author | Cornelia Huck <cornelia.huck@de.ibm.com> | Wed Jul 12 16:39:50 2006 +0200 |
committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | Wed Jul 12 16:39:50 2006 +0200 |
tree | 62e413692d4c55ae322c3201c36ded4808806cb5 | |
parent | 63f4f9e1281ea9b9a2304bd13d657ba9d401c9a7 [diff] |
[S390] subchannel register/unregister mutex. Add a reg_mutex to prevent unregistering a subchannel before it has been registered. Since 2.6.17, we've seen oopses in kslowcrw when a device is found to be not operational during sense id when doing initial device recognition; it is not clear yet why that particular problem was not (yet) observed with earlier kernels... Signed-off-by: Cornelia Huck <cornelia.huck@de.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>