git.stricted.de - GitHub/moto-9609/android_kernel_motorola

author	Christian Borntraeger <borntraeger@de.ibm.com>
	Mon, 29 Feb 2016 14:59:18 +0000 (15:59 +0100)
committer	Martin Schwidefsky <schwidefsky@de.ibm.com>
	Tue, 8 Mar 2016 09:38:06 +0000 (10:38 +0100)
commit	7a76aa95f6f6682db5629449d763251d1c9f8c4e
tree	4febb0b89240d9db2e5a2eeb7f7cc78368c752ce	tree \| snapshot (tar.gz zip)
parent	ce0c12b633846a47e103842149a5bac2e5d261ec	commit \| diff

s390/cpumf: Fix lpp detection

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: e22cf8ca6f75 ("s390/cpumf: rework program parameter setting to detect guest samples")
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>