[S390] kprobes: restructure handler function
authorMartin Schwidefsky <schwidefsky@de.ibm.com>
Wed, 5 Jan 2011 11:47:23 +0000 (12:47 +0100)
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>
Wed, 5 Jan 2011 11:47:24 +0000 (12:47 +0100)
Restructure the kprobe breakpoint handler function. Add comments to
make it more comprehensible and add a sanity check for re-entering
kprobes.

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

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