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authorMartin Schwidefsky <schwidefsky@de.ibm.com>2014-09-09 06:53:12 -0400
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2014-09-25 04:52:01 -0400
commitea61a579ab87f1620b14777afc32cf3827f07bc8 (patch)
tree3ce95bcd31236fe790c5ce219a46512e97cc4e1f /drivers/s390/char/Makefile
parent170387a8877b2c12fee5ae901be1ef4693d06094 (diff)
s390/sclp: reduce dependency on event type masks
The event type masks can change asynchronously. These changes are reported by SCLP to the OS by state-change events which are retrieved with the read event data command. The SCLP driver has a request queue, there is a window where the read event data request has not completed yet but the SCLP console drivers are trying to queue output requests. As the masks are not updated yet the requests are discarded. The simplest fix is to queue the console requests independent of the event type masks and rely on SCLP to return with an error code if a specific event type is not available. Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
Diffstat (limited to 'drivers/s390/char/Makefile')
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