[S390] Minor fault path optimization.

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The minor fault path has grown a lot in terms of cycles. In particular
the kprobes hook is very costly. Optimize the path to save a couple of
cycles. If kprobes is enabled more than 300 cycles can be avoided if
kprobes_running() is false.

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

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Martin Schwidefsky 2007-04-27 16:01:43 +02:00

parent c0007f1a65

commit 10c1031f70

1 changed files with 141 additions and 118 deletions

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arch/s390/mm/fault.c

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