http://bugs.launchpad.net/bugs/1644505
v2 - commit 2f82f57763d97700788cf228de1cf30ffd4153b4 ('s390/time: STP sync clock correction') is
a prerequisite patch.
[PATCH 1/3] s390/time: STP sync clock correction
[PATCH 2/3] s390/time: move PTFF definitions
[PATCH 3/3] s390/time: LPAR offset handling
rtg