tree 255724f1f3d0e6b395c14ca91829ed6141be7964
parent 0a16ba7866fd5cd802d49801a099f4c558ce99c7
author Heiko Carstens <heiko.carstens@de.ibm.com> 1336639641 +0200
committer Martin Schwidefsky <schwidefsky@de.ibm.com> 1337172163 +0200

s390/pfault: add sanity check

If the task that was found on an initial interrupt doesn't match the
current task execute a WARN_ON_ONCE() and don't put the task to sleep.

When this happened something went wrong between the interface of the
hypervisor and the kernel. In such a case keep the tasks alive to
avoid a hanging system.

Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>