diff options
Diffstat (limited to 'hw/ppc/spapr.c')
| -rw-r--r-- | hw/ppc/spapr.c | 14 |
1 files changed, 3 insertions, 11 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 3dedb41..f11422f 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1840,8 +1840,6 @@ static bool spapr_ov5_cas_needed(void *opaque) { SpaprMachineState *spapr = opaque; SpaprOptionVector *ov5_mask = spapr_ovec_new(); - SpaprOptionVector *ov5_legacy = spapr_ovec_new(); - SpaprOptionVector *ov5_removed = spapr_ovec_new(); bool cas_needed; /* Prior to the introduction of SpaprOptionVector, we had two option @@ -1873,17 +1871,11 @@ static bool spapr_ov5_cas_needed(void *opaque) spapr_ovec_set(ov5_mask, OV5_DRCONF_MEMORY); spapr_ovec_set(ov5_mask, OV5_DRMEM_V2); - /* spapr_ovec_diff returns true if bits were removed. we avoid using - * the mask itself since in the future it's possible "legacy" bits may be - * removed via machine options, which could generate a false positive - * that breaks migration. - */ - spapr_ovec_intersect(ov5_legacy, spapr->ov5, ov5_mask); - cas_needed = spapr_ovec_diff(ov5_removed, spapr->ov5, ov5_legacy); + /* We need extra information if we have any bits outside the mask + * defined above */ + cas_needed = !spapr_ovec_subset(spapr->ov5, ov5_mask); spapr_ovec_cleanup(ov5_mask); - spapr_ovec_cleanup(ov5_legacy); - spapr_ovec_cleanup(ov5_removed); return cas_needed; } |