s390/smp: use physical address for SIGP_SET_PREFIX command
authorAlexander Gordeev <agordeev@linux.ibm.com>
Thu, 24 Mar 2022 19:02:24 +0000 (20:02 +0100)
committerVasily Gorbik <gor@linux.ibm.com>
Sun, 27 Mar 2022 20:18:39 +0000 (22:18 +0200)
commit7277b4216a1162157de06fd93cd54426c47d47b8
tree5da5ec6a4e9620665fbafc847405b8c2c9a5abb2
parent4f45c37ffd100522f890fc7f8bd71a3b8f79b6be
s390/smp: use physical address for SIGP_SET_PREFIX command

Signal processor SIGP_SET_PREFIX command expects physical
address of the lowcore to be installed, but instead the
virtual address is provided.

Note: this does not fix a bug currently, since virtual and
physical addresses are identical.

Reviewed-by: Heiko Carstens <hca@linux.ibm.com>
Signed-off-by: Alexander Gordeev <agordeev@linux.ibm.com>
Signed-off-by: Vasily Gorbik <gor@linux.ibm.com>
arch/s390/kernel/smp.c