12 files changed, 34 insertions, 15 deletions

diff --git a/arch/ppc64/kernel/bpa_iommu.c b/arch/ppc64/kernel/bpa_iommu.c
index f33a7bccb0d7..5f2460090e03 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;
         }
 
@@ -306,7 +310,7 @@ static void bpa_map_iommu(void)
 
 
 static void *bpa_alloc_coherent(struct device *hwdev, size_t size,
-                           dma_addr_t *dma_handle, unsigned int __nocast flag)
+                           dma_addr_t *dma_handle, gfp_t flag)
 {
         void *ret;
 
diff --git a/arch/ppc64/kernel/dma.c b/arch/ppc64/kernel/dma.c
index 4da8e31b2b61..7c3419656ccc 100644
--- a/arch/ppc64/kernel/dma.c
+++ b/arch/ppc64/kernel/dma.c
@@ -53,7 +53,7 @@ int dma_set_mask(struct device *dev, u64 dma_mask)
 EXPORT_SYMBOL(dma_set_mask);
 
 void *dma_alloc_coherent(struct device *dev, size_t size,
-                dma_addr_t *dma_handle, unsigned int __nocast flag)
+                dma_addr_t *dma_handle, gfp_t flag)
 {
         struct dma_mapping_ops *dma_ops = get_dma_ops(dev);
 
diff --git a/arch/ppc64/kernel/iommu.c b/arch/ppc64/kernel/iommu.c
index 9032b6bfe036..4d9b4388918b 100644
--- a/arch/ppc64/kernel/iommu.c
+++ b/arch/ppc64/kernel/iommu.c
@@ -519,7 +519,7 @@ void iommu_unmap_single(struct iommu_table *tbl, dma_addr_t dma_handle,
  * to the dma address (mapping) of the first page.
  */
 void *iommu_alloc_coherent(struct iommu_table *tbl, size_t size,
-                dma_addr_t *dma_handle, unsigned int __nocast flag)
+                dma_addr_t *dma_handle, gfp_t flag)
 {
         void *ret = NULL;
         dma_addr_t mapping;
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/module.c b/arch/ppc64/kernel/module.c
index c683bf88e690..928b8581fcb0 100644
--- a/arch/ppc64/kernel/module.c
+++ b/arch/ppc64/kernel/module.c
@@ -341,6 +341,19 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
                         *(unsigned long *)location = my_r2(sechdrs, me);
                         break;
 
+                case R_PPC64_TOC16:
+                        /* Subtact TOC pointer */
+                        value -= my_r2(sechdrs, me);
+                        if (value + 0x8000 > 0xffff) {
+                                printk("%s: bad TOC16 relocation (%lu)\n",
+                                       me->name, value);
+                                return -ENOEXEC;
+                        }
+                        *((uint16_t *) location)
+                                = (*((uint16_t *) location) & ~0xffff)
+                                | (value & 0xffff);
+                        break;
+
                 case R_PPC64_TOC16_DS:
                         /* Subtact TOC pointer */
                         value -= my_r2(sechdrs, me);
diff --git a/arch/ppc64/kernel/pSeries_pci.c b/arch/ppc64/kernel/pSeries_pci.c
index 1f5f141fb7a1..928f8febdb3b 100644
--- a/arch/ppc64/kernel/pSeries_pci.c
+++ b/arch/ppc64/kernel/pSeries_pci.c
@@ -32,7 +32,7 @@
 
 #include "pci.h"
 
-static int __initdata s7a_workaround = -1;
+static int __devinitdata s7a_workaround = -1;
 
 #if 0
 void pcibios_name_device(struct pci_dev *dev)
@@ -60,7 +60,7 @@ void pcibios_name_device(struct pci_dev *dev)
 DECLARE_PCI_FIXUP_HEADER(PCI_ANY_ID, PCI_ANY_ID, pcibios_name_device);
 #endif
 
-static void __init check_s7a(void)
+static void __devinit check_s7a(void)
 {
         struct device_node *root;
         char *model;
diff --git a/arch/ppc64/kernel/pci_direct_iommu.c b/arch/ppc64/kernel/pci_direct_iommu.c
index b8f7f58824f4..54055c81017a 100644
--- a/arch/ppc64/kernel/pci_direct_iommu.c
+++ b/arch/ppc64/kernel/pci_direct_iommu.c
@@ -31,7 +31,7 @@
 #include "pci.h"
 
 static void *pci_direct_alloc_coherent(struct device *hwdev, size_t size,
-                                   dma_addr_t *dma_handle, unsigned int __nocast flag)
+                                   dma_addr_t *dma_handle, gfp_t flag)
 {
         void *ret;
 
diff --git a/arch/ppc64/kernel/pci_iommu.c b/arch/ppc64/kernel/pci_iommu.c
index 14647e09c9cd..d9e33b7d4203 100644
--- a/arch/ppc64/kernel/pci_iommu.c
+++ b/arch/ppc64/kernel/pci_iommu.c
@@ -76,7 +76,7 @@ static inline struct iommu_table *devnode_table(struct device *dev)
  * to the dma address (mapping) of the first page.
  */
 static void *pci_iommu_alloc_coherent(struct device *hwdev, size_t size,
-                           dma_addr_t *dma_handle, unsigned int __nocast flag)
+                           dma_addr_t *dma_handle, gfp_t flag)
 {
         return iommu_alloc_coherent(devnode_table(hwdev), size, dma_handle,
                         flag);
diff --git a/arch/ppc64/kernel/pmac_setup.c b/arch/ppc64/kernel/pmac_setup.c
index 25755252067a..fa8121d53b89 100644
--- a/arch/ppc64/kernel/pmac_setup.c
+++ b/arch/ppc64/kernel/pmac_setup.c
@@ -115,7 +115,7 @@ static void __pmac pmac_show_cpuinfo(struct seq_file *m)
         
         /* find motherboard type */
         seq_printf(m, "machine\t\t: ");
-        np = find_devices("device-tree");
+        np = of_find_node_by_path("/");
         if (np != NULL) {
                 pp = (char *) get_property(np, "model", NULL);
                 if (pp != NULL)
@@ -133,6 +133,7 @@ static void __pmac pmac_show_cpuinfo(struct seq_file *m)
                         }
                         seq_printf(m, "\n");
                 }
+                of_node_put(np);
         } else
                 seq_printf(m, "PowerMac\n");
 
diff --git a/arch/ppc64/kernel/vdso32/gettimeofday.S b/arch/ppc64/kernel/vdso32/gettimeofday.S
index 07f1c1c650c8..e243c1d24af7 100644
--- a/arch/ppc64/kernel/vdso32/gettimeofday.S
+++ b/arch/ppc64/kernel/vdso32/gettimeofday.S
@@ -109,7 +109,7 @@ __do_get_xsec:
         lwz     r6,(CFG_TB_TO_XS+4)(r9)
         mulhwu  r4,r7,r5
         mulhwu  r6,r7,r6
-        mullw   r6,r7,r5
+        mullw   r0,r7,r5
         addc    r6,r6,r0
 
         /* At this point, we have the scaled xsec value in r4 + XER:CA
diff --git a/arch/ppc64/kernel/vio.c b/arch/ppc64/kernel/vio.c
index c90e1dd875ce..0e555b7a6587 100644
--- a/arch/ppc64/kernel/vio.c
+++ b/arch/ppc64/kernel/vio.c
@@ -218,7 +218,7 @@ static void vio_unmap_sg(struct device *dev, struct scatterlist *sglist,
 }
 
 static void *vio_alloc_coherent(struct device *dev, size_t size,
-                           dma_addr_t *dma_handle, unsigned int __nocast flag)
+                           dma_addr_t *dma_handle, gfp_t flag)
 {
         return iommu_alloc_coherent(to_vio_dev(dev)->iommu_table, size,
                         dma_handle, flag);