17 files changed, 182 insertions, 203 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 29f05d4b68cd..9197d7b361b3 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -55,7 +55,7 @@
 
 #define BAD_MADT_ENTRY(entry, end) (                                        \
                 (!entry) || (unsigned long)entry + sizeof(*entry) > end ||  \
-                ((acpi_table_entry_header *)entry)->length < sizeof(*entry))
+                ((struct acpi_subtable_header *)entry)->length < sizeof(*entry))
 
 #define PREFIX                  "ACPI: "
 
@@ -67,16 +67,11 @@ EXPORT_SYMBOL(pm_power_off);
 unsigned int acpi_cpei_override;
 unsigned int acpi_cpei_phys_cpuid;
 
-#define MAX_SAPICS 256
-u16 ia64_acpiid_to_sapicid[MAX_SAPICS] = {[0 ... MAX_SAPICS - 1] = -1 };
-
-EXPORT_SYMBOL(ia64_acpiid_to_sapicid);
-
 const char *acpi_get_sysname(void)
 {
 #ifdef CONFIG_IA64_GENERIC
         unsigned long rsdp_phys;
-        struct acpi20_table_rsdp *rsdp;
+        struct acpi_table_rsdp *rsdp;
         struct acpi_table_xsdt *xsdt;
         struct acpi_table_header *hdr;
 
@@ -87,16 +82,16 @@ const char *acpi_get_sysname(void)
                 return "dig";
         }
 
-        rsdp = (struct acpi20_table_rsdp *)__va(rsdp_phys);
-        if (strncmp(rsdp->signature, RSDP_SIG, sizeof(RSDP_SIG) - 1)) {
+        rsdp = (struct acpi_table_rsdp *)__va(rsdp_phys);
+        if (strncmp(rsdp->signature, ACPI_SIG_RSDP, sizeof(ACPI_SIG_RSDP) - 1)) {
                 printk(KERN_ERR
                        "ACPI 2.0 RSDP signature incorrect, default to \"dig\"\n");
                 return "dig";
         }
 
-        xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_address);
+        xsdt = (struct acpi_table_xsdt *)__va(rsdp->xsdt_physical_address);
         hdr = &xsdt->header;
-        if (strncmp(hdr->signature, XSDT_SIG, sizeof(XSDT_SIG) - 1)) {
+        if (strncmp(hdr->signature, ACPI_SIG_XSDT, sizeof(ACPI_SIG_XSDT) - 1)) {
                 printk(KERN_ERR
                        "ACPI 2.0 XSDT signature incorrect, default to \"dig\"\n");
                 return "dig";
@@ -169,12 +164,12 @@ struct acpi_table_madt *acpi_madt __initdata;
 static u8 has_8259;
 
 static int __init
-acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
+acpi_parse_lapic_addr_ovr(struct acpi_subtable_header * header,
                           const unsigned long end)
 {
-        struct acpi_table_lapic_addr_ovr *lapic;
+        struct acpi_madt_local_apic_override *lapic;
 
-        lapic = (struct acpi_table_lapic_addr_ovr *)header;
+        lapic = (struct acpi_madt_local_apic_override *)header;
 
         if (BAD_MADT_ENTRY(lapic, end))
                 return -EINVAL;
@@ -187,22 +182,19 @@ acpi_parse_lapic_addr_ovr(acpi_table_entry_header * header,
 }
 
 static int __init
-acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lsapic(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_lsapic *lsapic;
+        struct acpi_madt_local_sapic *lsapic;
 
-        lsapic = (struct acpi_table_lsapic *)header;
+        lsapic = (struct acpi_madt_local_sapic *)header;
 
-        if (BAD_MADT_ENTRY(lsapic, end))
-                return -EINVAL;
+        /*Skip BAD_MADT_ENTRY check, as lsapic size could vary */
 
-        if (lsapic->flags.enabled) {
+        if (lsapic->lapic_flags & ACPI_MADT_ENABLED) {
 #ifdef CONFIG_SMP
                 smp_boot_data.cpu_phys_id[available_cpus] =
                     (lsapic->id << 8) | lsapic->eid;
 #endif
-                ia64_acpiid_to_sapicid[lsapic->acpi_id] =
-                    (lsapic->id << 8) | lsapic->eid;
                 ++available_cpus;
         }
 
@@ -211,11 +203,11 @@ acpi_parse_lsapic(acpi_table_entry_header * header, const unsigned long end)
 }
 
 static int __init
-acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_lapic_nmi(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_lapic_nmi *lacpi_nmi;
+        struct acpi_madt_local_apic_nmi *lacpi_nmi;
 
-        lacpi_nmi = (struct acpi_table_lapic_nmi *)header;
+        lacpi_nmi = (struct acpi_madt_local_apic_nmi *)header;
 
         if (BAD_MADT_ENTRY(lacpi_nmi, end))
                 return -EINVAL;
@@ -225,11 +217,11 @@ acpi_parse_lapic_nmi(acpi_table_entry_header * header, const unsigned long end)
 }
 
 static int __init
-acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_iosapic(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_iosapic *iosapic;
+        struct acpi_madt_io_sapic *iosapic;
 
-        iosapic = (struct acpi_table_iosapic *)header;
+        iosapic = (struct acpi_madt_io_sapic *)header;
 
         if (BAD_MADT_ENTRY(iosapic, end))
                 return -EINVAL;
@@ -240,13 +232,13 @@ acpi_parse_iosapic(acpi_table_entry_header * header, const unsigned long end)
 static unsigned int __initdata acpi_madt_rev;
 
 static int __init
-acpi_parse_plat_int_src(acpi_table_entry_header * header,
+acpi_parse_plat_int_src(struct acpi_subtable_header * header,
                         const unsigned long end)
 {
-        struct acpi_table_plat_int_src *plintsrc;
+        struct acpi_madt_interrupt_source *plintsrc;
         int vector;
 
-        plintsrc = (struct acpi_table_plat_int_src *)header;
+        plintsrc = (struct acpi_madt_interrupt_source *)header;
 
         if (BAD_MADT_ENTRY(plintsrc, end))
                 return -EINVAL;
@@ -257,19 +249,19 @@ acpi_parse_plat_int_src(acpi_table_entry_header * header,
          */
         vector = iosapic_register_platform_intr(plintsrc->type,
                                                 plintsrc->global_irq,
-                                                plintsrc->iosapic_vector,
+                                                plintsrc->io_sapic_vector,
                                                 plintsrc->eid,
                                                 plintsrc->id,
-                                                (plintsrc->flags.polarity ==
-                                                 1) ? IOSAPIC_POL_HIGH :
-                                                IOSAPIC_POL_LOW,
-                                                (plintsrc->flags.trigger ==
-                                                 1) ? IOSAPIC_EDGE :
-                                                IOSAPIC_LEVEL);
+                                                ((plintsrc->inti_flags & ACPI_MADT_POLARITY_MASK) ==
+                                                 ACPI_MADT_POLARITY_ACTIVE_HIGH) ?
+                                                IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
+                                                ((plintsrc->inti_flags & ACPI_MADT_TRIGGER_MASK) ==
+                                                 ACPI_MADT_TRIGGER_EDGE) ?
+                                                IOSAPIC_EDGE : IOSAPIC_LEVEL);
 
         platform_intr_list[plintsrc->type] = vector;
         if (acpi_madt_rev > 1) {
-                acpi_cpei_override = plintsrc->plint_flags.cpei_override_flag;
+                acpi_cpei_override = plintsrc->flags & ACPI_MADT_CPEI_OVERRIDE;
         }
 
         /*
@@ -324,30 +316,32 @@ unsigned int get_cpei_target_cpu(void)
 }
 
 static int __init
-acpi_parse_int_src_ovr(acpi_table_entry_header * header,
+acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
                        const unsigned long end)
 {
-        struct acpi_table_int_src_ovr *p;
+        struct acpi_madt_interrupt_override *p;
 
-        p = (struct acpi_table_int_src_ovr *)header;
+        p = (struct acpi_madt_interrupt_override *)header;
 
         if (BAD_MADT_ENTRY(p, end))
                 return -EINVAL;
 
-        iosapic_override_isa_irq(p->bus_irq, p->global_irq,
-                                 (p->flags.polarity ==
-                                  1) ? IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
-                                 (p->flags.trigger ==
-                                  1) ? IOSAPIC_EDGE : IOSAPIC_LEVEL);
+        iosapic_override_isa_irq(p->source_irq, p->global_irq,
+                                 ((p->inti_flags & ACPI_MADT_POLARITY_MASK) ==
+                                  ACPI_MADT_POLARITY_ACTIVE_HIGH) ?
+                                 IOSAPIC_POL_HIGH : IOSAPIC_POL_LOW,
+                                 ((p->inti_flags & ACPI_MADT_TRIGGER_MASK) ==
+                                 ACPI_MADT_TRIGGER_EDGE) ?
+                                 IOSAPIC_EDGE : IOSAPIC_LEVEL);
         return 0;
 }
 
 static int __init
-acpi_parse_nmi_src(acpi_table_entry_header * header, const unsigned long end)
+acpi_parse_nmi_src(struct acpi_subtable_header * header, const unsigned long end)
 {
-        struct acpi_table_nmi_src *nmi_src;
+        struct acpi_madt_nmi_source *nmi_src;
 
-        nmi_src = (struct acpi_table_nmi_src *)header;
+        nmi_src = (struct acpi_madt_nmi_source *)header;
 
         if (BAD_MADT_ENTRY(nmi_src, end))
                 return -EINVAL;
@@ -371,12 +365,12 @@ static void __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
         }
 }
 
-static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_madt(struct acpi_table_header *table)
 {
-        if (!phys_addr || !size)
+        if (!table)
                 return -EINVAL;
 
-        acpi_madt = (struct acpi_table_madt *)__va(phys_addr);
+        acpi_madt = (struct acpi_table_madt *)table;
 
         acpi_madt_rev = acpi_madt->header.revision;
 
@@ -384,14 +378,14 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
 #ifdef CONFIG_ITANIUM
         has_8259 = 1;           /* Firmware on old Itanium systems is broken */
 #else
-        has_8259 = acpi_madt->flags.pcat_compat;
+        has_8259 = acpi_madt->flags & ACPI_MADT_PCAT_COMPAT;
 #endif
         iosapic_system_init(has_8259);
 
         /* Get base address of IPI Message Block */
 
-        if (acpi_madt->lapic_address)
-                ipi_base_addr = ioremap(acpi_madt->lapic_address, 0);
+        if (acpi_madt->address)
+                ipi_base_addr = ioremap(acpi_madt->address, 0);
 
         printk(KERN_INFO PREFIX "Local APIC address %p\n", ipi_base_addr);
 
@@ -413,23 +407,24 @@ static u32 __devinitdata pxm_flag[PXM_FLAG_LEN];
 #define pxm_bit_test(bit)       (test_bit(bit,(void *)pxm_flag))
 static struct acpi_table_slit __initdata *slit_table;
 
-static int get_processor_proximity_domain(struct acpi_table_processor_affinity *pa)
+static int get_processor_proximity_domain(struct acpi_srat_cpu_affinity *pa)
 {
         int pxm;
 
-        pxm = pa->proximity_domain;
+        pxm = pa->proximity_domain_lo;
         if (ia64_platform_is("sn2"))
-                pxm += pa->reserved[0] << 8;
+                pxm += pa->proximity_domain_hi[0] << 8;
         return pxm;
 }
 
-static int get_memory_proximity_domain(struct acpi_table_memory_affinity *ma)
+static int get_memory_proximity_domain(struct acpi_srat_mem_affinity *ma)
 {
         int pxm;
 
         pxm = ma->proximity_domain;
-        if (ia64_platform_is("sn2"))
-                pxm += ma->reserved1[0] << 8;
+        if (!ia64_platform_is("sn2"))
+                pxm &= 0xff;
+
         return pxm;
 }
 
@@ -442,7 +437,7 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
         u32 len;
 
         len = sizeof(struct acpi_table_header) + 8
-            + slit->localities * slit->localities;
+            + slit->locality_count * slit->locality_count;
         if (slit->header.length != len) {
                 printk(KERN_ERR
                        "ACPI 2.0 SLIT: size mismatch: %d expected, %d actual\n",
@@ -454,11 +449,11 @@ void __init acpi_numa_slit_init(struct acpi_table_slit *slit)
 }
 
 void __init
-acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
+acpi_numa_processor_affinity_init(struct acpi_srat_cpu_affinity *pa)
 {
         int pxm;
 
-        if (!pa->flags.enabled)
+        if (!(pa->flags & ACPI_SRAT_CPU_ENABLED))
                 return;
 
         pxm = get_processor_proximity_domain(pa);
@@ -467,14 +462,14 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
         pxm_bit_set(pxm);
 
         node_cpuid[srat_num_cpus].phys_id =
-            (pa->apic_id << 8) | (pa->lsapic_eid);
+            (pa->apic_id << 8) | (pa->local_sapic_eid);
         /* nid should be overridden as logical node id later */
         node_cpuid[srat_num_cpus].nid = pxm;
         srat_num_cpus++;
 }
 
 void __init
-acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
+acpi_numa_memory_affinity_init(struct acpi_srat_mem_affinity *ma)
 {
         unsigned long paddr, size;
         int pxm;
@@ -483,13 +478,11 @@ acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
         pxm = get_memory_proximity_domain(ma);
 
         /* fill node memory chunk structure */
-        paddr = ma->base_addr_hi;
-        paddr = (paddr << 32) | ma->base_addr_lo;
-        size = ma->length_hi;
-        size = (size << 32) | ma->length_lo;
+        paddr = ma->base_address;
+        size = ma->length;
 
         /* Ignore disabled entries */
-        if (!ma->flags.enabled)
+        if (!(ma->flags & ACPI_SRAT_MEM_ENABLED))
                 return;
 
         /* record this node in proximity bitmap */
@@ -560,16 +553,16 @@ void __init acpi_numa_arch_fixup(void)
         if (!slit_table)
                 return;
         memset(numa_slit, -1, sizeof(numa_slit));
-        for (i = 0; i < slit_table->localities; i++) {
+        for (i = 0; i < slit_table->locality_count; i++) {
                 if (!pxm_bit_test(i))
                         continue;
                 node_from = pxm_to_node(i);
-                for (j = 0; j < slit_table->localities; j++) {
+                for (j = 0; j < slit_table->locality_count; j++) {
                         if (!pxm_bit_test(j))
                                 continue;
                         node_to = pxm_to_node(j);
                         node_distance(node_from, node_to) =
-                            slit_table->entry[i * slit_table->localities + j];
+                            slit_table->entry[i * slit_table->locality_count + j];
                 }
         }
 
@@ -617,21 +610,21 @@ void acpi_unregister_gsi(u32 gsi)
 
 EXPORT_SYMBOL(acpi_unregister_gsi);
 
-static int __init acpi_parse_fadt(unsigned long phys_addr, unsigned long size)
+static int __init acpi_parse_fadt(struct acpi_table_header *table)
 {
         struct acpi_table_header *fadt_header;
-        struct fadt_descriptor *fadt;
+        struct acpi_table_fadt *fadt;
 
-        if (!phys_addr || !size)
+        if (!table)
                 return -EINVAL;
 
-        fadt_header = (struct acpi_table_header *)__va(phys_addr);
+        fadt_header = (struct acpi_table_header *)table;
         if (fadt_header->revision != 3)
                 return -ENODEV; /* Only deal with ACPI 2.0 FADT */
 
-        fadt = (struct fadt_descriptor *)fadt_header;
+        fadt = (struct acpi_table_fadt *)fadt_header;
 
-        acpi_register_gsi(fadt->sci_int, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
+        acpi_register_gsi(fadt->sci_interrupt, ACPI_LEVEL_SENSITIVE, ACPI_ACTIVE_LOW);
         return 0;
 }
 
@@ -658,7 +651,7 @@ int __init acpi_boot_init(void)
          * information -- the successor to MPS tables.
          */
 
-        if (acpi_table_parse(ACPI_APIC, acpi_parse_madt) < 1) {
+        if (acpi_table_parse(ACPI_SIG_MADT, acpi_parse_madt) < 1) {
                 printk(KERN_ERR PREFIX "Can't find MADT\n");
                 goto skip_madt;
         }
@@ -666,40 +659,40 @@ int __init acpi_boot_init(void)
         /* Local APIC */
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_LAPIC_ADDR_OVR, acpi_parse_lapic_addr_ovr, 0) < 0)
+            (ACPI_MADT_TYPE_LOCAL_APIC_OVERRIDE, acpi_parse_lapic_addr_ovr, 0) < 0)
                 printk(KERN_ERR PREFIX
                        "Error parsing LAPIC address override entry\n");
 
-        if (acpi_table_parse_madt(ACPI_MADT_LSAPIC, acpi_parse_lsapic, NR_CPUS)
+        if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_SAPIC, acpi_parse_lsapic, NR_CPUS)
             < 1)
                 printk(KERN_ERR PREFIX
                        "Error parsing MADT - no LAPIC entries\n");
 
-        if (acpi_table_parse_madt(ACPI_MADT_LAPIC_NMI, acpi_parse_lapic_nmi, 0)
+        if (acpi_table_parse_madt(ACPI_MADT_TYPE_LOCAL_APIC_NMI, acpi_parse_lapic_nmi, 0)
             < 0)
                 printk(KERN_ERR PREFIX "Error parsing LAPIC NMI entry\n");
 
         /* I/O APIC */
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_IOSAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
+            (ACPI_MADT_TYPE_IO_SAPIC, acpi_parse_iosapic, NR_IOSAPICS) < 1)
                 printk(KERN_ERR PREFIX
                        "Error parsing MADT - no IOSAPIC entries\n");
 
         /* System-Level Interrupt Routing */
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_PLAT_INT_SRC, acpi_parse_plat_int_src,
+            (ACPI_MADT_TYPE_INTERRUPT_SOURCE, acpi_parse_plat_int_src,
              ACPI_MAX_PLATFORM_INTERRUPTS) < 0)
                 printk(KERN_ERR PREFIX
                        "Error parsing platform interrupt source entry\n");
 
         if (acpi_table_parse_madt
-            (ACPI_MADT_INT_SRC_OVR, acpi_parse_int_src_ovr, 0) < 0)
+            (ACPI_MADT_TYPE_INTERRUPT_OVERRIDE, acpi_parse_int_src_ovr, 0) < 0)
                 printk(KERN_ERR PREFIX
                        "Error parsing interrupt source overrides entry\n");
 
-        if (acpi_table_parse_madt(ACPI_MADT_NMI_SRC, acpi_parse_nmi_src, 0) < 0)
+        if (acpi_table_parse_madt(ACPI_MADT_TYPE_NMI_SOURCE, acpi_parse_nmi_src, 0) < 0)
                 printk(KERN_ERR PREFIX "Error parsing NMI SRC entry\n");
       skip_madt:
 
@@ -709,7 +702,7 @@ int __init acpi_boot_init(void)
          * gets interrupts such as power and sleep buttons.  If it's not
          * on a Legacy interrupt, it needs to be setup.
          */
-        if (acpi_table_parse(ACPI_FADT, acpi_parse_fadt) < 1)
+        if (acpi_table_parse(ACPI_SIG_FADT, acpi_parse_fadt) < 1)
                 printk(KERN_ERR PREFIX "Can't find FADT\n");
 
 #ifdef CONFIG_SMP
@@ -842,7 +835,7 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 {
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
         union acpi_object *obj;
-        struct acpi_table_lsapic *lsapic;
+        struct acpi_madt_local_sapic *lsapic;
         cpumask_t tmp_map;
         long physid;
         int cpu;
@@ -854,16 +847,16 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
                 return -EINVAL;
 
         obj = buffer.pointer;
-        if (obj->type != ACPI_TYPE_BUFFER ||
-            obj->buffer.length < sizeof(*lsapic)) {
+        if (obj->type != ACPI_TYPE_BUFFER)
+        {
                 kfree(buffer.pointer);
                 return -EINVAL;
         }
 
-        lsapic = (struct acpi_table_lsapic *)obj->buffer.pointer;
+        lsapic = (struct acpi_madt_local_sapic *)obj->buffer.pointer;
 
-        if ((lsapic->header.type != ACPI_MADT_LSAPIC) ||
-            (!lsapic->flags.enabled)) {
+        if ((lsapic->header.type != ACPI_MADT_TYPE_LOCAL_SAPIC) ||
+            (!lsapic->lapic_flags & ACPI_MADT_ENABLED)) {
                 kfree(buffer.pointer);
                 return -EINVAL;
         }
@@ -883,7 +876,6 @@ int acpi_map_lsapic(acpi_handle handle, int *pcpu)
 
         cpu_set(cpu, cpu_present_map);
         ia64_cpu_to_sapicid[cpu] = physid;
-        ia64_acpiid_to_sapicid[lsapic->acpi_id] = ia64_cpu_to_sapicid[cpu];
 
         *pcpu = cpu;
         return (0);
@@ -893,14 +885,6 @@ EXPORT_SYMBOL(acpi_map_lsapic);
 
 int acpi_unmap_lsapic(int cpu)
 {
-        int i;
-
-        for (i = 0; i < MAX_SAPICS; i++) {
-                if (ia64_acpiid_to_sapicid[i] == ia64_cpu_to_sapicid[cpu]) {
-                        ia64_acpiid_to_sapicid[i] = -1;
-                        break;
-                }
-        }
         ia64_cpu_to_sapicid[cpu] = -1;
         cpu_clear(cpu, cpu_present_map);
 
@@ -920,7 +904,7 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
 {
         struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
         union acpi_object *obj;
-        struct acpi_table_iosapic *iosapic;
+        struct acpi_madt_io_sapic *iosapic;
         unsigned int gsi_base;
         int pxm, node;
 
@@ -938,9 +922,9 @@ acpi_map_iosapic(acpi_handle handle, u32 depth, void *context, void **ret)
                 return AE_OK;
         }
 
-        iosapic = (struct acpi_table_iosapic *)obj->buffer.pointer;
+        iosapic = (struct acpi_madt_io_sapic *)obj->buffer.pointer;
 
-        if (iosapic->header.type != ACPI_MADT_IOSAPIC) {
+        if (iosapic->header.type != ACPI_MADT_TYPE_IO_SAPIC) {
                 kfree(buffer.pointer);
                 return AE_OK;
         }
diff --git a/arch/ia64/kernel/crash.c b/arch/ia64/kernel/crash.c
index bc2f64d72244..37bb16f07fc3 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -52,7 +52,7 @@ extern void ia64_dump_cpu_regs(void *);
 static DEFINE_PER_CPU(struct elf_prstatus, elf_prstatus);
 
 void
-crash_save_this_cpu()
+crash_save_this_cpu(void)
 {
         void *buf;
         unsigned long cfm, sof, sol;
@@ -79,6 +79,7 @@ crash_save_this_cpu()
         final_note(buf);
 }
 
+#ifdef CONFIG_SMP
 static int
 kdump_wait_cpu_freeze(void)
 {
@@ -91,6 +92,7 @@ kdump_wait_cpu_freeze(void)
         }
         return 1;
 }
+#endif
 
 void
 machine_crash_shutdown(struct pt_regs *pt)
@@ -116,6 +118,11 @@ machine_crash_shutdown(struct pt_regs *pt)
 static void
 machine_kdump_on_init(void)
 {
+        if (!ia64_kimage) {
+                printk(KERN_NOTICE "machine_kdump_on_init(): "
+                                "kdump not configured\n");
+                return;
+        }
         local_irq_disable();
         kexec_disable_iosapic();
         machine_kexec(ia64_kimage);
@@ -132,11 +139,12 @@ kdump_cpu_freeze(struct unw_frame_info *info, void *arg)
         atomic_inc(&kdump_cpu_freezed);
         kdump_status[cpuid] = 1;
         mb();
-        if (cpuid == 0) {
-                for (;;)
-                        cpu_relax();
-        } else
+#ifdef CONFIG_HOTPLUG_CPU
+        if (cpuid != 0)
                 ia64_jump_to_sal(&sal_boot_rendez_state[cpuid]);
+#endif
+        for (;;)
+                cpu_relax();
 }
 
 static int
diff --git a/arch/ia64/kernel/crash_dump.c b/arch/ia64/kernel/crash_dump.c
index 83b8c91c1408..da60e90eeeb1 100644
--- a/arch/ia64/kernel/crash_dump.c
+++ b/arch/ia64/kernel/crash_dump.c
@@ -9,7 +9,8 @@
 #include <linux/errno.h>
 #include <linux/types.h>
 
-#include <linux/uaccess.h>
+#include <asm/page.h>
+#include <asm/uaccess.h>
 
 /**
  * copy_oldmem_page - copy one page from "oldmem"
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index 0b25a7d4e1e4..772ba6fe110f 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -380,7 +380,7 @@ efi_get_pal_addr (void)
 #endif
                 return __va(md->phys_addr);
         }
-        printk(KERN_WARNING "%s: no PAL-code memory-descriptor found",
+        printk(KERN_WARNING "%s: no PAL-code memory-descriptor found\n",
                __FUNCTION__);
         return NULL;
 }
@@ -413,11 +413,10 @@ efi_init (void)
         efi_char16_t *c16;
         u64 efi_desc_size;
         char *cp, vendor[100] = "unknown";
-        extern char saved_command_line[];
         int i;
 
         /* it's too early to be able to use the standard kernel command line support... */
-        for (cp = saved_command_line; *cp; ) {
+        for (cp = boot_command_line; *cp; ) {
                 if (memcmp(cp, "mem=", 4) == 0) {
                         mem_limit = memparse(cp + 4, &cp);
                 } else if (memcmp(cp, "max_addr=", 9) == 0) {
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 15234ed3a341..e7873eeae448 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1610,5 +1610,7 @@ sys_call_table:
         data8 sys_sync_file_range               // 1300
         data8 sys_tee
         data8 sys_vmsplice
+        data8 sys_ni_syscall                    // reserved for move_pages
+        data8 sys_getcpu
 
         .org sys_call_table + 8*NR_syscalls     // guard against failures to increase NR_syscalls
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 0fc5fb7865cf..d6aab40c6416 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -925,6 +925,11 @@ iosapic_unregister_intr (unsigned int gsi)
                         /* Clear the interrupt controller descriptor */
                         idesc->chip = &no_irq_type;
 
+#ifdef CONFIG_SMP
+                        /* Clear affinity */
+                        cpus_setall(idesc->affinity);
+#endif
+
                         /* Clear the interrupt information */
                         memset(&iosapic_intr_info[vector], 0,
                                sizeof(struct iosapic_intr_info));
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index e2ccc9f660c5..4f0f3b8c1ee2 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -14,6 +14,7 @@
 #include <linux/kexec.h>
 #include <linux/cpu.h>
 #include <linux/irq.h>
+#include <linux/efi.h>
 #include <asm/mmu_context.h>
 #include <asm/setup.h>
 #include <asm/delay.h>
@@ -68,22 +69,10 @@ void machine_kexec_cleanup(struct kimage *image)
 {
 }
 
-void machine_shutdown(void)
-{
-        int cpu;
-
-        for_each_online_cpu(cpu) {
-                if (cpu != smp_processor_id())
-                        cpu_down(cpu);
-        }
-        kexec_disable_iosapic();
-}
-
 /*
  * Do not allocate memory (or fail in any way) in machine_kexec().
  * We are past the point of no return, committed to rebooting now.
  */
-extern void *efi_get_pal_addr(void);
 static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
 {
         struct kimage *image = arg;
@@ -93,6 +82,7 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
         unsigned long vector;
         int ii;
 
+        BUG_ON(!image);
         if (image->type == KEXEC_TYPE_CRASH) {
                 crash_save_this_cpu();
                 current->thread.ksp = (__u64)info->sw - 16;
@@ -131,6 +121,7 @@ static void ia64_machine_kexec(struct unw_frame_info *info, void *arg)
 
 void machine_kexec(struct kimage *image)
 {
+        BUG_ON(!image);
         unw_init_running(ia64_machine_kexec, image);
         for(;;);
 }
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 822e59a1b822..0d05450c91c4 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -64,12 +64,17 @@ static void ia64_set_msi_irq_affinity(unsigned int irq, cpumask_t cpu_mask)
 }
 #endif /* CONFIG_SMP */
 
-int ia64_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
+int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 {
         struct msi_msg  msg;
         unsigned long   dest_phys_id;
-        unsigned int    vector;
+        unsigned int    irq, vector;
 
+        irq = create_irq();
+        if (irq < 0)
+                return irq;
+
+        set_irq_msi(irq, desc);
         dest_phys_id = cpu_physical_id(first_cpu(cpu_online_map));
         vector = irq;
 
@@ -89,12 +94,12 @@ int ia64_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
         write_msi_msg(irq, &msg);
         set_irq_chip_and_handler(irq, &ia64_msi_chip, handle_edge_irq);
 
-        return 0;
+        return irq;
 }
 
 void ia64_teardown_msi_irq(unsigned int irq)
 {
-        return;         /* no-op */
+        destroy_irq(irq);
 }
 
 static void ia64_ack_msi_irq(unsigned int irq)
@@ -126,12 +131,12 @@ static struct irq_chip ia64_msi_chip = {
 };
 
 
-int arch_setup_msi_irq(unsigned int irq, struct pci_dev *pdev)
+int arch_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 {
         if (platform_setup_msi_irq)
-                return platform_setup_msi_irq(irq, pdev);
+                return platform_setup_msi_irq(pdev, desc);
 
-        return ia64_setup_msi_irq(irq, pdev);
+        return ia64_setup_msi_irq(pdev, desc);
 }
 
 void arch_teardown_msi_irq(unsigned int irq)
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index aa94f60fa8e7..9860794a68fb 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -621,7 +621,7 @@ EXPORT_PER_CPU_SYMBOL_GPL(pfm_syst_info);
 
 
 /* forward declaration */
-static struct file_operations pfm_file_ops;
+static const struct file_operations pfm_file_ops;
 
 /*
  * forward declarations
@@ -2126,7 +2126,7 @@ pfm_no_open(struct inode *irrelevant, struct file *dontcare)
 
 
 
-static struct file_operations pfm_file_ops = {
+static const struct file_operations pfm_file_ops = {
         .llseek   = no_llseek,
         .read     = pfm_read,
         .write    = pfm_write,
@@ -2301,12 +2301,11 @@ pfm_smpl_buffer_alloc(struct task_struct *task, pfm_context_t *ctx, unsigned lon
         DPRINT(("smpl_buf @%p\n", smpl_buf));
 
         /* allocate vma */
-        vma = kmem_cache_alloc(vm_area_cachep, GFP_KERNEL);
+        vma = kmem_cache_zalloc(vm_area_cachep, GFP_KERNEL);
         if (!vma) {
                 DPRINT(("Cannot allocate vma\n"));
                 goto error_kmem;
         }
-        memset(vma, 0, sizeof(*vma));
 
         /*
          * partially initialize the vma for the sampling buffer
@@ -6597,7 +6596,7 @@ found:
         return 0;
 }
 
-static struct file_operations pfm_proc_fops = {
+static const struct file_operations pfm_proc_fops = {
         .open           = pfm_proc_open,
         .read           = seq_read,
         .llseek         = seq_lseek,
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 17685abaf496..ae96d4176995 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -34,6 +34,7 @@
 #include <asm/ia32.h>
 #include <asm/irq.h>
 #include <asm/kdebug.h>
+#include <asm/kexec.h>
 #include <asm/pgalloc.h>
 #include <asm/processor.h>
 #include <asm/sal.h>
@@ -803,6 +804,21 @@ cpu_halt (void)
                 ia64_pal_halt(min_power_state);
 }
 
+void machine_shutdown(void)
+{
+#ifdef CONFIG_HOTPLUG_CPU
+        int cpu;
+
+        for_each_online_cpu(cpu) {
+                if (cpu != smp_processor_id())
+                        cpu_down(cpu);
+        }
+#endif
+#ifdef CONFIG_KEXEC
+        kexec_disable_iosapic();
+#endif
+}
+
 void
 machine_restart (char *restart_cmd)
 {
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index aa705e46b974..3f8918782e0c 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -607,7 +607,7 @@ find_thread_for_addr (struct task_struct *child, unsigned long addr)
          */
         list_for_each_safe(this, next, &current->children) {
                 p = list_entry(this, struct task_struct, sibling);
-                if (p->mm != mm)
+                if (p->tgid != child->tgid)
                         continue;
                 if (thread_matches(p, addr)) {
                         child = p;
@@ -1405,6 +1405,7 @@ ptrace_disable (struct task_struct *child)
         struct ia64_psr *child_psr = ia64_psr(task_pt_regs(child));
 
         /* make sure the single step/taken-branch trap bits are not set: */
+        clear_tsk_thread_flag(child, TIF_SINGLESTEP);
         child_psr->ss = 0;
         child_psr->tb = 0;
 }
@@ -1525,6 +1526,7 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
                  * Make sure the single step/taken-branch trap bits
                  * are not set:
                  */
+                clear_tsk_thread_flag(child, TIF_SINGLESTEP);
                 ia64_psr(pt)->ss = 0;
                 ia64_psr(pt)->tb = 0;
 
@@ -1556,6 +1558,7 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
                         goto out_tsk;
 
                 clear_tsk_thread_flag(child, TIF_SYSCALL_TRACE);
+                set_tsk_thread_flag(child, TIF_SINGLESTEP);
                 if (request == PTRACE_SINGLESTEP) {
                         ia64_psr(pt)->ss = 1;
                 } else {
@@ -1595,13 +1598,9 @@ sys_ptrace (long request, pid_t pid, unsigned long addr, unsigned long data)
 }
 
 
-void
+static void
 syscall_trace (void)
 {
-        if (!test_thread_flag(TIF_SYSCALL_TRACE))
-                return;
-        if (!(current->ptrace & PT_PTRACED))
-                return;
         /*
          * The 0x80 provides a way for the tracing parent to
          * distinguish between a syscall stop and SIGTRAP delivery.
@@ -1664,7 +1663,8 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
                 audit_syscall_exit(success, result);
         }
 
-        if (test_thread_flag(TIF_SYSCALL_TRACE)
+        if ((test_thread_flag(TIF_SYSCALL_TRACE)
+            || test_thread_flag(TIF_SINGLESTEP))
             && (current->ptrace & PT_PTRACED))
                 syscall_trace();
 }
diff --git a/arch/ia64/kernel/sal.c b/arch/ia64/kernel/sal.c
index 20bad78b5073..37c876f95dba 100644
--- a/arch/ia64/kernel/sal.c
+++ b/arch/ia64/kernel/sal.c
@@ -194,9 +194,8 @@ static void __init
 chk_nointroute_opt(void)
 {
         char *cp;
-        extern char saved_command_line[];
 
-        for (cp = saved_command_line; *cp; ) {
+        for (cp = boot_command_line; *cp; ) {
                 if (memcmp(cp, "nointroute", 10) == 0) {
                         no_int_routing = 1;
                         printk ("no_int_routing on\n");
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index e375a2f0f2c3..af9f8754d847 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -352,7 +352,7 @@ retry:
         return size;
 }
 
-static struct file_operations salinfo_event_fops = {
+static const struct file_operations salinfo_event_fops = {
         .open  = salinfo_event_open,
         .read  = salinfo_event_read,
 };
@@ -568,7 +568,7 @@ salinfo_log_write(struct file *file, const char __user *buffer, size_t count, lo
         return count;
 }
 
-static struct file_operations salinfo_data_fops = {
+static const struct file_operations salinfo_data_fops = {
         .open    = salinfo_log_open,
         .release = salinfo_log_release,
         .read    = salinfo_log_read,
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index ad567b8d432e..5fa09d141ab7 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -262,7 +262,7 @@ reserve_memory (void)
          * appropriate after a kernel panic.
          */
         {
-                char *from = strstr(saved_command_line, "crashkernel=");
+                char *from = strstr(boot_command_line, "crashkernel=");
                 unsigned long base, size;
                 if (from) {
                         size = memparse(from + 12, &from);
@@ -463,7 +463,7 @@ setup_arch (char **cmdline_p)
         ia64_patch_vtop((u64) __start___vtop_patchlist, (u64) __end___vtop_patchlist);
 
         *cmdline_p = __va(ia64_boot_param->command_line);
-        strlcpy(saved_command_line, *cmdline_p, COMMAND_LINE_SIZE);
+        strlcpy(boot_command_line, *cmdline_p, COMMAND_LINE_SIZE);
 
         efi_init();
         io_port_init();
@@ -569,34 +569,31 @@ show_cpuinfo (struct seq_file *m, void *v)
                 { 1UL << 1, "spontaneous deferral"},
                 { 1UL << 2, "16-byte atomic ops" }
         };
-        char features[128], *cp, sep;
+        char features[128], *cp, *sep;
         struct cpuinfo_ia64 *c = v;
         unsigned long mask;
         unsigned long proc_freq;
-        int i;
+        int i, size;
 
         mask = c->features;
 
         /* build the feature string: */
-        memcpy(features, " standard", 10);
+        memcpy(features, "standard", 9);
         cp = features;
-        sep = 0;
-        for (i = 0; i < (int) ARRAY_SIZE(feature_bits); ++i) {
+        size = sizeof(features);
+        sep = "";
+        for (i = 0; i < ARRAY_SIZE(feature_bits) && size > 1; ++i) {
                 if (mask & feature_bits[i].mask) {
-                        if (sep)
-                                *cp++ = sep;
-                        sep = ',';
-                        *cp++ = ' ';
-                        strcpy(cp, feature_bits[i].feature_name);
-                        cp += strlen(feature_bits[i].feature_name);
+                        cp += snprintf(cp, size, "%s%s", sep,
+                                       feature_bits[i].feature_name),
+                        sep = ", ";
                         mask &= ~feature_bits[i].mask;
+                        size = sizeof(features) - (cp - features);
                 }
         }
-        if (mask) {
-                /* print unknown features as a hex value: */
-                if (sep)
-                        *cp++ = sep;
-                sprintf(cp, " 0x%lx", mask);
+        if (mask && size > 1) {
+                /* print unknown features as a hex value */
+                snprintf(cp, size, "%s0x%lx", sep, mask);
         }
 
         proc_freq = cpufreq_quick_get(cpunum);
@@ -612,7 +609,7 @@ show_cpuinfo (struct seq_file *m, void *v)
                    "model name : %s\n"
                    "revision   : %u\n"
                    "archrev    : %u\n"
-                   "features   :%s\n"   /* don't change this---it _is_ right! */
+                   "features   : %s\n"
                    "cpu number : %lu\n"
                    "cpu regs   : %u\n"
                    "cpu MHz    : %lu.%06lu\n"
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index f4c7f7769cf7..55ddd809b02d 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -221,13 +221,13 @@ send_IPI_self (int op)
 
 #ifdef CONFIG_KEXEC
 void
-kdump_smp_send_stop()
+kdump_smp_send_stop(void)
 {
         send_IPI_allbutself(IPI_KDUMP_CPU_STOP);
 }
 
 void
-kdump_smp_send_init()
+kdump_smp_send_init(void)
 {
         unsigned int cpu, self_cpu;
         self_cpu = smp_processor_id();
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index ab684747036f..765cbe5ba6ae 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -24,8 +24,6 @@
 #include <asm/uaccess.h>
 #include <asm/kdebug.h>
 
-extern spinlock_t timerlist_lock;
-
 fpswa_interface_t *fpswa_interface;
 EXPORT_SYMBOL(fpswa_interface);
 
@@ -53,34 +51,6 @@ trap_init (void)
                 fpswa_interface = __va(ia64_boot_param->fpswa);
 }
 
-/*
- * Unlock any spinlocks which will prevent us from getting the message out (timerlist_lock
- * is acquired through the console unblank code)
- */
-void
-bust_spinlocks (int yes)
-{
-        int loglevel_save = console_loglevel;
-
-        if (yes) {
-                oops_in_progress = 1;
-                return;
-        }
-
-#ifdef CONFIG_VT
-        unblank_screen();
-#endif
-        oops_in_progress = 0;
-        /*
-         * OK, the message is on the console.  Now we call printk() without
-         * oops_in_progress set so that printk will give klogd a poke.  Hold onto
-         * your hats...
-         */
-        console_loglevel = 15;          /* NMI oopser may have shut the console up */
-        printk(" ");
-        console_loglevel = loglevel_save;
-}
-
 void
 die (const char *str, struct pt_regs *regs, long err)
 {
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index d6083a0936f4..25dd55e4db24 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -111,12 +111,14 @@ SECTIONS
   .init.data : AT(ADDR(.init.data) - LOAD_OFFSET)
         { *(.init.data) }
 
+#ifdef CONFIG_BLK_DEV_INITRD
   .init.ramfs : AT(ADDR(.init.ramfs) - LOAD_OFFSET)
         {
           __initramfs_start = .;
           *(.init.ramfs)
           __initramfs_end = .;
         }
+#endif
 
    . = ALIGN(16);
   .init.setup : AT(ADDR(.init.setup) - LOAD_OFFSET)
@@ -157,6 +159,7 @@ SECTIONS
         }
 #endif
 
+  . = ALIGN(8);
    __con_initcall_start = .;
   .con_initcall.init : AT(ADDR(.con_initcall.init) - LOAD_OFFSET)
         { *(.con_initcall.init) }