diff options
Diffstat (limited to 'arch/sparc64/kernel')
| -rw-r--r-- | arch/sparc64/kernel/pci_sun4v.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c index b63b2834133..b275c7df018 100644 --- a/arch/sparc64/kernel/pci_sun4v.c +++ b/arch/sparc64/kernel/pci_sun4v.c @@ -988,8 +988,13 @@ static unsigned long probe_existing_entries(struct pci_pbm_info *pbm, HV_PCI_TSBID(0, i), &io_attrs, &ra); if (ret == HV_EOK) { - cnt++; - __set_bit(i, arena->map); + if (page_in_phys_avail(ra)) { + pci_sun4v_iommu_demap(devhandle, + HV_PCI_TSBID(0, i), 1); + } else { + cnt++; + __set_bit(i, arena->map); + } } } @@ -1062,9 +1067,9 @@ static void pci_sun4v_iommu_init(struct pci_pbm_info *pbm) iommu->arena.limit = num_tsb_entries; sz = probe_existing_entries(pbm, iommu); - - printk("%s: TSB entries [%lu], existing mapings [%lu]\n", - pbm->name, num_tsb_entries, sz); + if (sz) + printk("%s: Imported %lu TSB entries from OBP\n", + pbm->name, sz); } static void pci_sun4v_get_bus_range(struct pci_pbm_info *pbm) |