[S390] kprobes: forbid probing of stnsm/stosm/epsw

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The probed instructions will be executed in a single stepped and irq
disabled context. Therefore the results of stnsm, stosm and epsw would
be wrong if probed.
So let's just disallow probing of these functions. If really needed a
fixup could be written for each of them, but I doubt it's worth it.

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

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Heiko Carstens 2010-05-26 23:26:20 +02:00 • committed by Martin Schwidefsky

parent 215b309637

commit bac9f154ac

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arch/s390/kernel/kprobes.c

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