we have to check bit 40 of the facility list before issuing LPP
and not bit 48. Otherwise a guest running on a system with
"The decimal-floating-point zoned-conversion facility" and without
the "The set-program-parameters facility" might crash on an lpp
instruction.
Signed-off-by: Christian Borntraeger <borntraeger@de.ibm.com> Cc: stable@vger.kernel.org # v4.4+ Fixes: 92a1dc689151 ("s390/cpumf: rework program parameter setting to detect guest samples") Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
projects / kernel.git / commit