11 files changed, 49 insertions, 29 deletions

diff --git a/arch/ppc64/kernel/bpa_iommu.c b/arch/ppc64/kernel/bpa_iommu.c
index f33a7bccb0d7..507eb9d0223f 100644
--- a/arch/ppc64/kernel/bpa_iommu.c
+++ b/arch/ppc64/kernel/bpa_iommu.c
@@ -99,7 +99,11 @@ get_iost_entry(unsigned long iopt_base, unsigned long io_address, unsigned page_
                 break;
 
         default: /* not a known compile time constant */
-                BUILD_BUG_ON(1);
+                {
+                        /* BUILD_BUG_ON() is not usable here */
+                        extern void __get_iost_entry_bad_page_size(void);
+                        __get_iost_entry_bad_page_size();
+                }
                 break;
         }
 
diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c
index 7e80d49c589a..9c6facc24f70 100644
--- a/arch/ppc64/kernel/kprobes.c
+++ b/arch/ppc64/kernel/kprobes.c
@@ -59,9 +59,9 @@ int __kprobes arch_prepare_kprobe(struct kprobe *p)
 
         /* insn must be on a special executable page on ppc64 */
         if (!ret) {
-                up(&kprobe_mutex);
-                p->ainsn.insn = get_insn_slot();
                 down(&kprobe_mutex);
+                p->ainsn.insn = get_insn_slot();
+                up(&kprobe_mutex);
                 if (!p->ainsn.insn)
                         ret = -ENOMEM;
         }
@@ -90,9 +90,9 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
 
 void __kprobes arch_remove_kprobe(struct kprobe *p)
 {
-        up(&kprobe_mutex);
-        free_insn_slot(p->ainsn.insn);
         down(&kprobe_mutex);
+        free_insn_slot(p->ainsn.insn);
+        up(&kprobe_mutex);
 }
 
 static inline void prepare_singlestep(struct kprobe *p, struct pt_regs *regs)
diff --git a/arch/ppc64/kernel/machine_kexec.c b/arch/ppc64/kernel/machine_kexec.c
index 4775f12a013c..bf7cc4f8210f 100644
--- a/arch/ppc64/kernel/machine_kexec.c
+++ b/arch/ppc64/kernel/machine_kexec.c
@@ -205,6 +205,7 @@ static void kexec_prepare_cpus(void)
                         continue;
 
                 while (paca[i].hw_cpu_id != -1) {
+                        barrier();
                         if (!cpu_possible(i)) {
                                 printk("kexec: cpu %d hw_cpu_id %d is not"
                                                 " possible, ignoring\n",
diff --git a/arch/ppc64/kernel/of_device.c b/arch/ppc64/kernel/of_device.c
index da580812ddfe..9f200f0f2ad5 100644
--- a/arch/ppc64/kernel/of_device.c
+++ b/arch/ppc64/kernel/of_device.c
@@ -233,7 +233,9 @@ void of_device_unregister(struct of_device *ofdev)
         device_unregister(&ofdev->dev);
 }
 
-struct of_device* of_platform_device_create(struct device_node *np, const char *bus_id)
+struct of_device* of_platform_device_create(struct device_node *np,
+                                            const char *bus_id,
+                                            struct device *parent)
 {
         struct of_device *dev;
 
@@ -245,7 +247,7 @@ struct of_device* of_platform_device_create(struct device_node *np, const char *
         dev->node = np;
         dev->dma_mask = 0xffffffffUL;
         dev->dev.dma_mask = &dev->dma_mask;
-        dev->dev.parent = NULL;
+        dev->dev.parent = parent;
         dev->dev.bus = &of_platform_bus_type;
         dev->dev.release = of_release_dev;
 
@@ -259,6 +261,7 @@ struct of_device* of_platform_device_create(struct device_node *np, const char *
         return dev;
 }
 
+
 EXPORT_SYMBOL(of_match_device);
 EXPORT_SYMBOL(of_platform_bus_type);
 EXPORT_SYMBOL(of_register_driver);
diff --git a/arch/ppc64/kernel/pSeries_iommu.c b/arch/ppc64/kernel/pSeries_iommu.c
index 8c6313e7e145..d17f0108a032 100644
--- a/arch/ppc64/kernel/pSeries_iommu.c
+++ b/arch/ppc64/kernel/pSeries_iommu.c
@@ -364,7 +364,8 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus)
 
                 while (pci->phb->dma_window_size * children > 0x80000000ul)
                         pci->phb->dma_window_size >>= 1;
-                DBG("No ISA/IDE, window size is %x\n", pci->phb->dma_window_size);
+                DBG("No ISA/IDE, window size is 0x%lx\n",
+                        pci->phb->dma_window_size);
                 pci->phb->dma_window_base_cur = 0;
 
                 return;
@@ -388,7 +389,7 @@ static void iommu_bus_setup_pSeries(struct pci_bus *bus)
         while (pci->phb->dma_window_size * children > 0x70000000ul)
                 pci->phb->dma_window_size >>= 1;
 
-        DBG("ISA/IDE, window size is %x\n", pci->phb->dma_window_size);
+        DBG("ISA/IDE, window size is 0x%lx\n", pci->phb->dma_window_size);
 
 }
 
@@ -442,7 +443,7 @@ static void iommu_dev_setup_pSeries(struct pci_dev *dev)
         struct device_node *dn, *mydn;
         struct iommu_table *tbl;
 
-        DBG("iommu_dev_setup_pSeries, dev %p (%s)\n", dev, dev->pretty_name);
+        DBG("iommu_dev_setup_pSeries, dev %p (%s)\n", dev, pci_name(dev));
 
         mydn = dn = pci_device_to_OF_node(dev);
 
@@ -469,7 +470,7 @@ static void iommu_dev_setup_pSeries(struct pci_dev *dev)
         if (dn && dn->data) {
                 PCI_DN(mydn)->iommu_table = PCI_DN(dn)->iommu_table;
         } else {
-                DBG("iommu_dev_setup_pSeries, dev %p (%s) has no iommu table\n", dev, dev->pretty_name);
+                DBG("iommu_dev_setup_pSeries, dev %p (%s) has no iommu table\n", dev, pci_name(dev));
         }
 }
 
@@ -503,7 +504,7 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
         int *dma_window = NULL;
         struct pci_dn *pci;
 
-        DBG("iommu_dev_setup_pSeriesLP, dev %p (%s)\n", dev, dev->pretty_name);
+        DBG("iommu_dev_setup_pSeriesLP, dev %p (%s)\n", dev, pci_name(dev));
 
         /* dev setup for LPAR is a little tricky, since the device tree might
          * contain the dma-window properties per-device and not neccesarily
@@ -525,9 +526,8 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
          * slots on POWER4 machines.
          */
         if (dma_window == NULL || pdn->parent == NULL) {
-                /* Fall back to regular (non-LPAR) dev setup */
-                DBG("No dma window for device, falling back to regular setup\n");
-                iommu_dev_setup_pSeries(dev);
+                DBG("No dma window for device, linking to parent\n");
+                PCI_DN(dn)->iommu_table = PCI_DN(pdn)->iommu_table;
                 return;
         } else {
                 DBG("Found DMA window, allocating table\n");
diff --git a/arch/ppc64/kernel/pmac_setup.c b/arch/ppc64/kernel/pmac_setup.c
index 325426c7bed0..25755252067a 100644
--- a/arch/ppc64/kernel/pmac_setup.c
+++ b/arch/ppc64/kernel/pmac_setup.c
@@ -434,15 +434,23 @@ static int pmac_check_legacy_ioport(unsigned int baseport)
 
 static int __init pmac_declare_of_platform_devices(void)
 {
-        struct device_node *np;
+        struct device_node *np, *npp;
 
-        np = find_devices("u3");
-        if (np) {
-                for (np = np->child; np != NULL; np = np->sibling)
+        npp = of_find_node_by_name(NULL, "u3");
+        if (npp) {
+                for (np = NULL; (np = of_get_next_child(npp, np)) != NULL;) {
                         if (strncmp(np->name, "i2c", 3) == 0) {
-                                of_platform_device_create(np, "u3-i2c");
+                                of_platform_device_create(np, "u3-i2c", NULL);
+                                of_node_put(np);
                                 break;
                         }
+                }
+                of_node_put(npp);
+        }
+        npp = of_find_node_by_type(NULL, "smu");
+        if (npp) {
+                of_platform_device_create(npp, "smu", NULL);
+                of_node_put(npp);
         }
 
         return 0;
diff --git a/arch/ppc64/kernel/pmac_time.c b/arch/ppc64/kernel/pmac_time.c
index 3059edb09cc8..41bbb8c59697 100644
--- a/arch/ppc64/kernel/pmac_time.c
+++ b/arch/ppc64/kernel/pmac_time.c
@@ -84,7 +84,7 @@ void __pmac pmac_get_rtc_time(struct rtc_time *tm)
 
 #ifdef CONFIG_PMAC_SMU
         case SYS_CTRLER_SMU:
-                smu_get_rtc_time(tm);
+                smu_get_rtc_time(tm, 1);
                 break;
 #endif /* CONFIG_PMAC_SMU */
         default:
@@ -128,7 +128,7 @@ int __pmac pmac_set_rtc_time(struct rtc_time *tm)
 
 #ifdef CONFIG_PMAC_SMU
         case SYS_CTRLER_SMU:
-                return smu_set_rtc_time(tm);
+                return smu_set_rtc_time(tm, 1);
 #endif /* CONFIG_PMAC_SMU */
         default:
                 return -ENODEV;
diff --git a/arch/ppc64/kernel/ptrace.c b/arch/ppc64/kernel/ptrace.c
index 85ed3188a91d..b1c044ca5756 100644
--- a/arch/ppc64/kernel/ptrace.c
+++ b/arch/ppc64/kernel/ptrace.c
@@ -219,6 +219,7 @@ int sys_ptrace(long request, long pid, long addr, long data)
 
         case PTRACE_SET_DEBUGREG:
                 ret = ptrace_set_debugreg(child, addr, data);
+                break;
 
         case PTRACE_DETACH:
                 ret = ptrace_detach(child, data);
diff --git a/arch/ppc64/mm/hash_native.c b/arch/ppc64/mm/hash_native.c
index 7626bb59954d..bfd385b7713c 100644
--- a/arch/ppc64/mm/hash_native.c
+++ b/arch/ppc64/mm/hash_native.c
@@ -343,9 +343,7 @@ static void native_flush_hash_range(unsigned long context,
         hpte_t *hptep;
         unsigned long hpte_v;
         struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
-
-        /* XXX fix for large ptes */
-        unsigned long large = 0;
+        unsigned long large = batch->large;
 
         local_irq_save(flags);
 
@@ -407,7 +405,7 @@ static void native_flush_hash_range(unsigned long context,
                 asm volatile("ptesync":::"memory");
 
                 for (i = 0; i < j; i++)
-                        __tlbie(batch->vaddr[i], 0);
+                        __tlbie(batch->vaddr[i], large);
 
                 asm volatile("eieio; tlbsync; ptesync":::"memory");
 
diff --git a/arch/ppc64/mm/hugetlbpage.c b/arch/ppc64/mm/hugetlbpage.c
index 338771ec70d7..0ea0994ed974 100644
--- a/arch/ppc64/mm/hugetlbpage.c
+++ b/arch/ppc64/mm/hugetlbpage.c
@@ -710,10 +710,13 @@ repeat:
                         hpte_group = ((~hash & htab_hash_mask) *
                                       HPTES_PER_GROUP) & ~0x7UL; 
                         slot = ppc_md.hpte_insert(hpte_group, va, prpn,
-                                                  HPTE_V_LARGE, rflags);
+                                                  HPTE_V_LARGE |
+                                                  HPTE_V_SECONDARY,
+                                                  rflags);
                         if (slot == -1) {
                                 if (mftb() & 0x1)
-                                        hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
+                                        hpte_group = ((hash & htab_hash_mask) *
+                                                      HPTES_PER_GROUP)&~0x7UL;
 
                                 ppc_md.hpte_remove(hpte_group);
                                 goto repeat;
diff --git a/arch/ppc64/mm/tlb.c b/arch/ppc64/mm/tlb.c
index d8a6593a13f0..21fbffb23a43 100644
--- a/arch/ppc64/mm/tlb.c
+++ b/arch/ppc64/mm/tlb.c
@@ -143,7 +143,8 @@ void hpte_update(struct mm_struct *mm, unsigned long addr,
          * up scanning and resetting referenced bits then our batch context
          * will change mid stream.
          */
-        if (unlikely(i != 0 && context != batch->context)) {
+        if (i != 0 && (context != batch->context ||
+                       batch->large != pte_huge(pte))) {
                 flush_tlb_pending();
                 i = 0;
         }
@@ -151,6 +152,7 @@ void hpte_update(struct mm_struct *mm, unsigned long addr,
         if (i == 0) {
                 batch->context = context;
                 batch->mm = mm;
+                batch->large = pte_huge(pte);
         }
         batch->pte[i] = __pte(pte);
         batch->addr[i] = addr;