When testing diag308 subcodes 0/1 on lpar with virtual mem set up, I experienced spec PGMs and addressing PGMs due to the tests not setting short psw bit 12 and leaving the DAT bit on. The problem was not found under KVM/QEMU, because Qemu just ignores all cpu mask bits. v1 -> v2: * Fixed comment in extra patch * Now using pre-defined reset psw * Fixed some comments Janosch Frank (3): s390x: Fix initial cr0 load comments s390x: Add CR save area s390x: Load reset psw on diag308 reset lib/s390x/asm-offsets.c | 3 ++- lib/s390x/asm/arch_def.h | 5 +++-- lib/s390x/interrupt.c | 4 ++-- lib/s390x/smp.c | 2 +- s390x/cstart64.S | 38 ++++++++++++++++++++++++-------------- 5 files changed, 32 insertions(+), 20 deletions(-) -- 2.20.1