tree 5faf7fc17d5980f43bbddcf373eeae4c2050d4cd
parent 7ecb344ae80bc03397ded3b004e06ecfe32becf9
author Martin Schwidefsky <schwidefsky@de.ibm.com> 1260186705 +0100
committer Martin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com> 1260186693 +0100

[S390] fault handler performance optimization.

Slim down the do_exception function to handle only the fast path of a
fault and move the exceptional cases into a new function. That slightly
increases the performance of the fault handling.

Build fix for !CONFIG_COMPAT by
Kamalesh Babulal <kamalesh@linux.vnet.ibm.com>

Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>