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authorJan Glauber <jang@linux.vnet.ibm.com>2012-03-23 11:13:05 +0100
committerMartin Schwidefsky <schwidefsky@de.ibm.com>2012-03-23 11:13:24 +0100
commitb03d541aa45b52e1b723890121a9fe3920eb438b (patch)
tree923c4bc9c618614634b536199ec1e4d1c74cdc83 /kernel/rwsem.c
parent61d84979ab9826c292812059f99248603da28fba (diff)
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[S390] oprofile: Allow multiple users of the measurement alert interrupt
Prepare the measurement facility which is currently only used by oprofile for multiple users. To achieve that the measurement alert interrupt control bit needs to be protected. The measurement alert definitions are moved to a header file and an interrupt mask is added so that users can discard interrupts if they are for a different measurement subsystem. Reviewed-by: Hendrik Brueckner <brueckner@linux.vnet.ibm.com> Signed-off-by: Jan Glauber <jang@linux.vnet.ibm.com> Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
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