> Am 05.11.2019 um 17:29 schrieb Janosch Frank <frankja@xxxxxxxxxxxxx>: > > 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... I'm working on a fix for that too. > I don‘t have access to documentation. Is what LPAR does documented behavior or is this completely undocumented and therefore undefined behavior? Then we should remove these test cases completely instead. > Janosch Frank (2): > s390x: Add CR save area > s390x: Remove DAT and add short indication psw bits 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 | 29 ++++++++++++++++++++--------- > 5 files changed, 28 insertions(+), 15 deletions(-) > > -- > 2.20.1 >
