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authorHeiko Carstens <heiko.carstens@de.ibm.com>2010-05-26 23:26:20 +0200
committerMartin Schwidefsky <sky@mschwide.boeblingen.de.ibm.com>2010-05-26 23:26:29 +0200
commitbac9f154acd175afdf702cb7d7f5de1254b4b119 (patch)
tree46a9dc8dc42336842fa9410504e5b07b00173ad2 /arch/s390/kvm
parent215b3096371907e5d866bb219be7ef3d5ce6c083 (diff)
[S390] kprobes: forbid probing of stnsm/stosm/epsw
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>
Diffstat (limited to 'arch/s390/kvm')
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