From: Martin Schwidefsky <schwidefsky@de.ibm.com>
Date: Fri, 27 Apr 2007 14:01:43 +0000 (+0200)
Subject: [S390] Minor fault path optimization.
X-Git-Tag: v2.6.22-rc1~1130^2~18
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=10c1031f706bbe0690d84cdbccad15b11c6dc661;p=pandora-kernel.git

[S390] Minor fault path optimization.

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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