12 files changed, 37 insertions, 11 deletions

diff --git a/arch/ia64/include/asm/iommu.h b/arch/ia64/include/asm/iommu.h
index 0490794fe4aa..745e095fe82e 100644
--- a/arch/ia64/include/asm/iommu.h
+++ b/arch/ia64/include/asm/iommu.h
@@ -9,6 +9,11 @@ extern void pci_iommu_shutdown(void);
 extern void no_iommu_init(void);
 extern int force_iommu, no_iommu;
 extern int iommu_detected;
+#ifdef  CONFIG_DMAR
+extern int iommu_pass_through;
+#else
+#define iommu_pass_through      (0)
+#endif
 extern void iommu_dma_init(void);
 extern void machvec_init(const char *name);
 
diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c
index cbe6cee5a550..dbda7bde6112 100644
--- a/arch/ia64/kernel/acpi-processor.c
+++ b/arch/ia64/kernel/acpi-processor.c
@@ -71,3 +71,15 @@ void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
 }
 
 EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
+
+void arch_acpi_processor_cleanup_pdc(struct acpi_processor *pr)
+{
+        if (pr->pdc) {
+                kfree(pr->pdc->pointer->buffer.pointer);
+                kfree(pr->pdc->pointer);
+                kfree(pr->pdc);
+                pr->pdc = NULL;
+        }
+}
+
+EXPORT_SYMBOL(arch_acpi_processor_cleanup_pdc);
diff --git a/arch/ia64/kernel/esi.c b/arch/ia64/kernel/esi.c
index ebf4e988e78c..d5764a3d74af 100644
--- a/arch/ia64/kernel/esi.c
+++ b/arch/ia64/kernel/esi.c
@@ -65,7 +65,7 @@ static int __init esi_init (void)
         }
 
         if (!esi)
-                return -ENODEV;;
+                return -ENODEV;
 
         systab = __va(esi);
 
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index 1376da45fd08..05695962fe44 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -32,6 +32,8 @@ int force_iommu __read_mostly = 1;
 int force_iommu __read_mostly;
 #endif
 
+int iommu_pass_through;
+
 /* Dummy device used for NULL arguments (normally ISA). Better would
    be probably a smaller DMA mask, but this is bug-to-bug compatible
    to i386. */
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 285aae8431c6..223abb134105 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -46,7 +46,7 @@ void __init swiotlb_dma_init(void)
 
 void __init pci_swiotlb_init(void)
 {
-        if (!iommu_detected) {
+        if (!iommu_detected || iommu_pass_through) {
 #ifdef CONFIG_IA64_GENERIC
                 swiotlb = 1;
                 printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index abce2468a40b..f1782705b1f7 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -5603,7 +5603,7 @@ pfm_interrupt_handler(int irq, void *arg)
  * /proc/perfmon interface, for debug only
  */
 
-#define PFM_PROC_SHOW_HEADER    ((void *)nr_cpu_ids+1)
+#define PFM_PROC_SHOW_HEADER    ((void *)(long)nr_cpu_ids+1)
 
 static void *
 pfm_proc_start(struct seq_file *m, loff_t *pos)
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 7053c55b7649..e6676fca4828 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -192,7 +192,7 @@ struct salinfo_platform_oemdata_parms {
 static void
 salinfo_work_to_do(struct salinfo_data *data)
 {
-        down_trylock(&data->mutex);
+        (void)(down_trylock(&data->mutex) ?: 0);
         up(&data->mutex);
 }
 
diff --git a/arch/ia64/kvm/kvm_lib.c b/arch/ia64/kvm/kvm_lib.c
index a85cb611ecd7..f1268b8e6f9e 100644
--- a/arch/ia64/kvm/kvm_lib.c
+++ b/arch/ia64/kvm/kvm_lib.c
@@ -11,5 +11,11 @@
  *
  */
 #undef CONFIG_MODULES
+#include <linux/module.h>
+#undef CONFIG_KALLSYMS
+#undef EXPORT_SYMBOL
+#undef EXPORT_SYMBOL_GPL
+#define EXPORT_SYMBOL(sym)
+#define EXPORT_SYMBOL_GPL(sym)
 #include "../../../lib/vsprintf.c"
 #include "../../../lib/ctype.c"
diff --git a/arch/ia64/kvm/process.c b/arch/ia64/kvm/process.c
index a8f84da04b49..bb862fb224f2 100644
--- a/arch/ia64/kvm/process.c
+++ b/arch/ia64/kvm/process.c
@@ -130,7 +130,7 @@ static void collect_interruption(struct kvm_vcpu *vcpu)
         if (vdcr & IA64_DCR_PP) {
                 vpsr |= IA64_PSR_PP;
         } else {
-                vpsr &= ~IA64_PSR_PP;;
+                vpsr &= ~IA64_PSR_PP;
         }
 
         vcpu_set_psr(vcpu, vpsr);
@@ -594,11 +594,11 @@ static void set_pal_call_data(struct kvm_vcpu *vcpu)
                 p->u.pal_data.gr30 = vcpu_get_gr(vcpu, 30);
                 break;
         case PAL_BRAND_INFO:
-                p->u.pal_data.gr29 = gr29;;
+                p->u.pal_data.gr29 = gr29;
                 p->u.pal_data.gr30 = kvm_trans_pal_call_args(vcpu, gr30);
                 break;
         default:
-                p->u.pal_data.gr29 = gr29;;
+                p->u.pal_data.gr29 = gr29;
                 p->u.pal_data.gr30 = vcpu_get_gr(vcpu, 30);
         }
         p->u.pal_data.gr28 = gr28;
diff --git a/arch/ia64/kvm/vcpu.c b/arch/ia64/kvm/vcpu.c
index a2c6c15e4761..46b02cbcc874 100644
--- a/arch/ia64/kvm/vcpu.c
+++ b/arch/ia64/kvm/vcpu.c
@@ -406,7 +406,7 @@ void getreg(unsigned long regnum, unsigned long *val,
          * Now look at registers in [0-31] range and init correct UNAT
          */
         addr = (unsigned long)regs;
-        unat = &regs->eml_unat;;
+        unat = &regs->eml_unat;
 
         addr += gr_info[regnum];
 
diff --git a/arch/ia64/kvm/vtlb.c b/arch/ia64/kvm/vtlb.c
index 4290a429bf7c..20b3852f7a6e 100644
--- a/arch/ia64/kvm/vtlb.c
+++ b/arch/ia64/kvm/vtlb.c
@@ -135,7 +135,7 @@ struct thash_data *__vtr_lookup(struct kvm_vcpu *vcpu, u64 va, int type)
         u64 rid;
 
         rid = vcpu_get_rr(vcpu, va);
-        rid = rid & RR_RID_MASK;;
+        rid = rid & RR_RID_MASK;
         if (type == D_TLB) {
                 if (vcpu_quick_region_check(vcpu->arch.dtr_regions, va)) {
                         for (trp = (struct thash_data *)&vcpu->arch.dtrs, i = 0;
@@ -518,7 +518,7 @@ struct thash_data *vtlb_lookup(struct kvm_vcpu *v, u64 va, int is_data)
 
         struct thash_cb *hcb = &v->arch.vtlb;
 
-        cch = __vtr_lookup(v, va, is_data);;
+        cch = __vtr_lookup(v, va, is_data);
         if (cch)
                 return cch;
 
diff --git a/arch/ia64/sn/kernel/io_common.c b/arch/ia64/sn/kernel/io_common.c
index 76645cf6ac5d..25831c47c579 100644
--- a/arch/ia64/sn/kernel/io_common.c
+++ b/arch/ia64/sn/kernel/io_common.c
@@ -435,7 +435,8 @@ void sn_generate_path(struct pci_bus *pci_bus, char *address)
         bricktype = MODULE_GET_BTYPE(moduleid);
         if ((bricktype == L1_BRICKTYPE_191010) ||
             (bricktype == L1_BRICKTYPE_1932))
-                        sprintf(address, "%s^%d", address, geo_slot(geoid));
+                        sprintf(address + strlen(address), "^%d",
+                                                geo_slot(geoid));
 }
 
 void __devinit