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. Changes since v2: * Dropped one patch, already merged * Discovered that the previous version broken running KVM PR in almost all cases, even ones that should still be ok - Added a new 1/2 patch to address that David Gibson (2): spapr: Allow some cases where we can't set VSMT mode in the kernel spapr: Adjust default VSMT value for better migration compatibility hw/ppc/spapr.c | 37 +++++++++++++++++++++++++++---------- 1 file changed, 27 insertions(+), 10 deletions(-) -- 2.14.3