Here are some follow on fixes to Ziviani's proposed changes to VSMT handling. This should fix migration of POWER8 compat mode guests between POWER8 and POWER9 hosts.
The changes are simple, the rationale's rather more complex. David Gibson (2): target/ppc: Clarify compat mode max_threads value spapr: Adjust default VSMT value for better migration compatibility hw/ppc/spapr.c | 15 ++++++++++----- target/ppc/compat.c | 25 +++++++++++++++++-------- target/ppc/cpu.h | 2 +- 3 files changed, 28 insertions(+), 14 deletions(-) -- 2.14.3
