diff options
Diffstat (limited to 'target/ppc/machine.c')
| -rw-r--r-- | target/ppc/machine.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/target/ppc/machine.c b/target/ppc/machine.c index 3d6434a006..ba1b9e531f 100644 --- a/target/ppc/machine.c +++ b/target/ppc/machine.c @@ -212,6 +212,11 @@ static int cpu_pre_save(void *opaque) ; cpu->mig_msr_mask = env->msr_mask & ~metamask; cpu->mig_insns_flags = env->insns_flags & insns_compat_mask; + /* CPU models supported by old machines all have PPC_MEM_TLBIE, + * so we set it unconditionally to allow backward migration from + * a POWER9 host to a POWER8 host. + */ + cpu->mig_insns_flags |= PPC_MEM_TLBIE; cpu->mig_insns_flags2 = env->insns_flags2 & insns_compat_mask2; cpu->mig_nb_BATs = env->nb_BATs; } |