Merge branch 'master' into for-next

27 files changed, 82 insertions, 65 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9676100b83ee..95610820041e 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -56,6 +56,9 @@ config MMU
 config NEED_DMA_MAP_STATE
         def_bool y
 
+config NEED_SG_DMA_LENGTH
+        def_bool y
+
 config SWIOTLB
        bool
 
@@ -495,6 +498,14 @@ config HAVE_ARCH_NODEDATA_EXTENSION
         def_bool y
         depends on NUMA
 
+config USE_PERCPU_NUMA_NODE_ID
+        def_bool y
+        depends on NUMA
+
+config HAVE_MEMORYLESS_NODES
+        def_bool y
+        depends on NUMA
+
 config ARCH_PROC_KCORE_TEXT
         def_bool y
         depends on PROC_KCORE
diff --git a/arch/ia64/include/asm/acpi.h b/arch/ia64/include/asm/acpi.h
index 21adbd7f90f8..837dc82a013e 100644
--- a/arch/ia64/include/asm/acpi.h
+++ b/arch/ia64/include/asm/acpi.h
@@ -94,7 +94,6 @@ ia64_acpi_release_global_lock (unsigned int *lock)
 #define acpi_noirq 0    /* ACPI always enabled on IA64 */
 #define acpi_pci_disabled 0 /* ACPI PCI always enabled on IA64 */
 #define acpi_strict 1   /* no ACPI spec workarounds on IA64 */
-#define acpi_ht 0       /* no HT-only mode on IA64 */
 #endif
 #define acpi_processor_cstate_check(x) (x) /* no idle limits on IA64 :) */
 static inline void disable_acpi(void) { }
diff --git a/arch/ia64/include/asm/asmmacro.h b/arch/ia64/include/asm/asmmacro.h
index c1642fd64029..3ab6d75aa3db 100644
--- a/arch/ia64/include/asm/asmmacro.h
+++ b/arch/ia64/include/asm/asmmacro.h
@@ -70,12 +70,12 @@ name:
  * path (ivt.S - TLB miss processing) or in places where it might not be
  * safe to use a "tpa" instruction (mca_asm.S - error recovery).
  */
-        .section ".data.patch.vtop", "a"        // declare section & section attributes
+        .section ".data..patch.vtop", "a"       // declare section & section attributes
         .previous
 
 #define LOAD_PHYSICAL(pr, reg, obj)             \
 [1:](pr)movl reg = obj;                         \
-        .xdata4 ".data.patch.vtop", 1b-.
+        .xdata4 ".data..patch.vtop", 1b-.
 
 /*
  * For now, we always put in the McKinley E9 workaround.  On CPUs that don't need it,
@@ -84,11 +84,11 @@ name:
 #define DO_MCKINLEY_E9_WORKAROUND
 
 #ifdef DO_MCKINLEY_E9_WORKAROUND
-        .section ".data.patch.mckinley_e9", "a"
+        .section ".data..patch.mckinley_e9", "a"
         .previous
 /* workaround for Itanium 2 Errata 9: */
 # define FSYS_RETURN                                    \
-        .xdata4 ".data.patch.mckinley_e9", 1f-.;        \
+        .xdata4 ".data..patch.mckinley_e9", 1f-.;       \
 1:{ .mib;                                               \
         nop.m 0;                                        \
         mov r16=ar.pfs;                                 \
@@ -107,11 +107,11 @@ name:
  * If physical stack register size is different from DEF_NUM_STACK_REG,
  * dynamically patch the kernel for correct size.
  */
-        .section ".data.patch.phys_stack_reg", "a"
+        .section ".data..patch.phys_stack_reg", "a"
         .previous
 #define LOAD_PHYS_STACK_REG_SIZE(reg)                   \
 [1:]    adds reg=IA64_NUM_PHYS_STACK_REG*8+8,r0;        \
-        .xdata4 ".data.patch.phys_stack_reg", 1b-.
+        .xdata4 ".data..patch.phys_stack_reg", 1b-.
 
 /*
  * Up until early 2004, use of .align within a function caused bad unwind info.
diff --git a/arch/ia64/include/asm/cache.h b/arch/ia64/include/asm/cache.h
index e7482bd628ff..988254a7d349 100644
--- a/arch/ia64/include/asm/cache.h
+++ b/arch/ia64/include/asm/cache.h
@@ -24,6 +24,6 @@
 # define SMP_CACHE_BYTES        (1 << 3)
 #endif
 
-#define __read_mostly __attribute__((__section__(".data.read_mostly")))
+#define __read_mostly __attribute__((__section__(".data..read_mostly")))
 
 #endif /* _ASM_IA64_CACHE_H */
diff --git a/arch/ia64/include/asm/percpu.h b/arch/ia64/include/asm/percpu.h
index 1bd408265694..14aa1c58912b 100644
--- a/arch/ia64/include/asm/percpu.h
+++ b/arch/ia64/include/asm/percpu.h
@@ -31,7 +31,7 @@ extern void *per_cpu_init(void);
 
 #endif  /* SMP */
 
-#define PER_CPU_BASE_SECTION ".data.percpu"
+#define PER_CPU_BASE_SECTION ".data..percpu"
 
 /*
  * Be extremely careful when taking the address of this variable!  Due to virtual
diff --git a/arch/ia64/include/asm/scatterlist.h b/arch/ia64/include/asm/scatterlist.h
index d8e98961dec7..f299a4fb25c8 100644
--- a/arch/ia64/include/asm/scatterlist.h
+++ b/arch/ia64/include/asm/scatterlist.h
@@ -1,6 +1,7 @@
 #ifndef _ASM_IA64_SCATTERLIST_H
 #define _ASM_IA64_SCATTERLIST_H
 
+#include <asm-generic/scatterlist.h>
 /*
  * It used to be that ISA_DMA_THRESHOLD had something to do with the
  * DMA-limits of ISA-devices.  Nowadays, its only remaining use (apart
@@ -10,7 +11,6 @@
  * that's 4GB - 1.
  */
 #define ISA_DMA_THRESHOLD       0xffffffff
-
-#include <asm-generic/scatterlist.h>
+#define ARCH_HAS_SG_CHAIN
 
 #endif /* _ASM_IA64_SCATTERLIST_H */
diff --git a/arch/ia64/include/asm/topology.h b/arch/ia64/include/asm/topology.h
index d323071d0f91..09f646753d1a 100644
--- a/arch/ia64/include/asm/topology.h
+++ b/arch/ia64/include/asm/topology.h
@@ -26,11 +26,6 @@
 #define RECLAIM_DISTANCE 15
 
 /*
- * Returns the number of the node containing CPU 'cpu'
- */
-#define cpu_to_node(cpu) (int)(cpu_to_node_map[cpu])
-
-/*
  * Returns a bitmask of CPUs on Node 'node'.
  */
 #define cpumask_of_node(node) ((node) == -1 ?                           \
diff --git a/arch/ia64/kernel/Makefile.gate b/arch/ia64/kernel/Makefile.gate
index ab9b03a9adcc..ceeffc509764 100644
--- a/arch/ia64/kernel/Makefile.gate
+++ b/arch/ia64/kernel/Makefile.gate
@@ -21,7 +21,7 @@ GATECFLAGS_gate-syms.o = -r
 $(obj)/gate-syms.o: $(obj)/gate.lds $(obj)/gate.o FORCE
         $(call if_changed,gate)
 
-# gate-data.o contains the gate DSO image as data in section .data.gate.
+# gate-data.o contains the gate DSO image as data in section .data..gate.
 # We must build gate.so before we can assemble it.
 # Note: kbuild does not track this dependency due to usage of .incbin
 $(obj)/gate-data.o: $(obj)/gate.so
diff --git a/arch/ia64/kernel/gate-data.S b/arch/ia64/kernel/gate-data.S
index 258c0a3238fb..b3ef1c72e132 100644
--- a/arch/ia64/kernel/gate-data.S
+++ b/arch/ia64/kernel/gate-data.S
@@ -1,3 +1,3 @@
-        .section .data.gate, "aw"
+        .section .data..gate, "aw"
 
         .incbin "arch/ia64/kernel/gate.so"
diff --git a/arch/ia64/kernel/gate.S b/arch/ia64/kernel/gate.S
index cf5e0a105e16..245d3e1ec7e1 100644
--- a/arch/ia64/kernel/gate.S
+++ b/arch/ia64/kernel/gate.S
@@ -21,18 +21,18 @@
  * to targets outside the shared object) and to avoid multi-phase kernel builds, we
  * simply create minimalistic "patch lists" in special ELF sections.
  */
-        .section ".data.patch.fsyscall_table", "a"
+        .section ".data..patch.fsyscall_table", "a"
         .previous
 #define LOAD_FSYSCALL_TABLE(reg)                        \
 [1:]    movl reg=0;                                     \
-        .xdata4 ".data.patch.fsyscall_table", 1b-.
+        .xdata4 ".data..patch.fsyscall_table", 1b-.
 
-        .section ".data.patch.brl_fsys_bubble_down", "a"
+        .section ".data..patch.brl_fsys_bubble_down", "a"
         .previous
 #define BRL_COND_FSYS_BUBBLE_DOWN(pr)                   \
 [1:](pr)brl.cond.sptk 0;                                \
         ;;                                              \
-        .xdata4 ".data.patch.brl_fsys_bubble_down", 1b-.
+        .xdata4 ".data..patch.brl_fsys_bubble_down", 1b-.
 
 GLOBAL_ENTRY(__kernel_syscall_via_break)
         .prologue
diff --git a/arch/ia64/kernel/gate.lds.S b/arch/ia64/kernel/gate.lds.S
index 88c64ed47c36..d32b0855110a 100644
--- a/arch/ia64/kernel/gate.lds.S
+++ b/arch/ia64/kernel/gate.lds.S
@@ -33,21 +33,21 @@ SECTIONS
          */
         . = GATE_ADDR + 0x600;
 
-        .data.patch             : {
+        .data..patch            : {
                 __paravirt_start_gate_mckinley_e9_patchlist = .;
-                *(.data.patch.mckinley_e9)
+                *(.data..patch.mckinley_e9)
                 __paravirt_end_gate_mckinley_e9_patchlist = .;
 
                 __paravirt_start_gate_vtop_patchlist = .;
-                *(.data.patch.vtop)
+                *(.data..patch.vtop)
                 __paravirt_end_gate_vtop_patchlist = .;
 
                 __paravirt_start_gate_fsyscall_patchlist = .;
-                *(.data.patch.fsyscall_table)
+                *(.data..patch.fsyscall_table)
                 __paravirt_end_gate_fsyscall_patchlist = .;
 
                 __paravirt_start_gate_brl_fsys_bubble_down_patchlist = .;
-                *(.data.patch.brl_fsys_bubble_down)
+                *(.data..patch.brl_fsys_bubble_down)
                 __paravirt_end_gate_brl_fsys_bubble_down_patchlist = .;
         }                                               :readable
 
diff --git a/arch/ia64/kernel/init_task.c b/arch/ia64/kernel/init_task.c
index e253ab8fcbc8..f9efe9739d3f 100644
--- a/arch/ia64/kernel/init_task.c
+++ b/arch/ia64/kernel/init_task.c
@@ -23,7 +23,7 @@ static struct sighand_struct init_sighand = INIT_SIGHAND(init_sighand);
  * Initial task structure.
  *
  * We need to make sure that this is properly aligned due to the way process stacks are
- * handled. This is done by having a special ".data.init_task" section...
+ * handled. This is done by having a special ".data..init_task" section...
  */
 #define init_thread_info        init_task_mem.s.thread_info
 
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index 179fd122e837..d93e396bf599 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -82,7 +82,7 @@
         mov r19=n;;                     /* prepare to save predicates */                \
         br.sptk.many dispatch_to_fault_handler
 
-        .section .text.ivt,"ax"
+        .section .text..ivt,"ax"
 
         .align 32768    // align on 32KB boundary
         .global ia64_ivt
diff --git a/arch/ia64/kernel/minstate.h b/arch/ia64/kernel/minstate.h
index 292e214a3b84..d56753a11636 100644
--- a/arch/ia64/kernel/minstate.h
+++ b/arch/ia64/kernel/minstate.h
@@ -16,7 +16,7 @@
 #define ACCOUNT_SYS_ENTER
 #endif
 
-.section ".data.patch.rse", "a"
+.section ".data..patch.rse", "a"
 .previous
 
 /*
@@ -215,7 +215,7 @@
 (pUStk) extr.u r17=r18,3,6;                     \
 (pUStk) sub r16=r18,r22;                        \
 [1:](pKStk)     br.cond.sptk.many 1f;           \
-        .xdata4 ".data.patch.rse",1b-.          \
+        .xdata4 ".data..patch.rse",1b-.         \
         ;;                                      \
         cmp.ge p6,p7 = 33,r17;                  \
         ;;                                      \
diff --git a/arch/ia64/kernel/paravirtentry.S b/arch/ia64/kernel/paravirtentry.S
index 6158560d7f17..92d880c4d3d1 100644
--- a/arch/ia64/kernel/paravirtentry.S
+++ b/arch/ia64/kernel/paravirtentry.S
@@ -28,7 +28,7 @@
 #include "entry.h"
 
 #define DATA8(sym, init_value)                  \
-        .pushsection .data.read_mostly ;        \
+        .pushsection .data..read_mostly ;       \
         .align 8 ;                              \
         .global sym ;                           \
         sym: ;                                  \
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 3095654f9ab3..d9485d952ed0 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -31,8 +31,6 @@ struct dma_map_ops swiotlb_dma_ops = {
         .unmap_sg = swiotlb_unmap_sg_attrs,
         .sync_single_for_cpu = swiotlb_sync_single_for_cpu,
         .sync_single_for_device = swiotlb_sync_single_for_device,
-        .sync_single_range_for_cpu = swiotlb_sync_single_range_for_cpu,
-        .sync_single_range_for_device = swiotlb_sync_single_range_for_device,
         .sync_sg_for_cpu = swiotlb_sync_sg_for_cpu,
         .sync_sg_for_device = swiotlb_sync_sg_for_device,
         .dma_supported = swiotlb_dma_supported,
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 0dec7f702448..7c7909f9bc93 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -638,7 +638,7 @@ ptrace_attach_sync_user_rbs (struct task_struct *child)
          */
 
         read_lock(&tasklist_lock);
-        if (child->signal) {
+        if (child->sighand) {
                 spin_lock_irq(&child->sighand->siglock);
                 if (child->state == TASK_STOPPED &&
                     !test_and_set_tsk_thread_flag(child, TIF_RESTORE_RSE)) {
@@ -662,7 +662,7 @@ ptrace_attach_sync_user_rbs (struct task_struct *child)
          * job control stop, so that SIGCONT can be used to wake it up.
          */
         read_lock(&tasklist_lock);
-        if (child->signal) {
+        if (child->sighand) {
                 spin_lock_irq(&child->sighand->siglock);
                 if (child->state == TASK_TRACED &&
                     (child->signal->flags & SIGNAL_STOP_STOPPED)) {
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index e5230b2ff2c5..6a1380e90f87 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -390,6 +390,14 @@ smp_callin (void)
 
         fix_b0_for_bsp();
 
+#ifdef CONFIG_NUMA
+        /*
+         * numa_node_id() works after this.
+         */
+        set_numa_node(cpu_to_node_map[cpuid]);
+        set_numa_mem(local_memory_node(cpu_to_node_map[cpuid]));
+#endif
+
         ipi_call_lock_irq();
         spin_lock(&vector_lock);
         /* Setup the per cpu irq handling data structures */
@@ -632,6 +640,9 @@ void __devinit smp_prepare_boot_cpu(void)
 {
         cpu_set(smp_processor_id(), cpu_online_map);
         cpu_set(smp_processor_id(), cpu_callin_map);
+#ifdef CONFIG_NUMA
+        set_numa_node(cpu_to_node_map[smp_processor_id()]);
+#endif
         per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
         paravirt_post_smp_prepare_boot_cpu();
 }
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 1295ba327f6f..e07218a2577f 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -8,7 +8,7 @@
 
 #define IVT_TEXT                                                        \
                 VMLINUX_SYMBOL(__start_ivt_text) = .;                   \
-                *(.text.ivt)                                            \
+                *(.text..ivt)                                           \
                 VMLINUX_SYMBOL(__end_ivt_text) = .;
 
 OUTPUT_FORMAT("elf64-ia64-little")
@@ -54,8 +54,8 @@ SECTIONS
   .text2 : AT(ADDR(.text2) - LOAD_OFFSET)
         { *(.text2) }
 #ifdef CONFIG_SMP
-  .text.lock : AT(ADDR(.text.lock) - LOAD_OFFSET)
-        { *(.text.lock) }
+  .text..lock : AT(ADDR(.text..lock) - LOAD_OFFSET)
+        { *(.text..lock) }
 #endif
   _etext = .;
 
@@ -75,10 +75,10 @@ SECTIONS
           __stop___mca_table = .;
         }
 
-  .data.patch.phys_stack_reg : AT(ADDR(.data.patch.phys_stack_reg) - LOAD_OFFSET)
+  .data..patch.phys_stack_reg : AT(ADDR(.data..patch.phys_stack_reg) - LOAD_OFFSET)
         {
           __start___phys_stack_reg_patchlist = .;
-          *(.data.patch.phys_stack_reg)
+          *(.data..patch.phys_stack_reg)
           __end___phys_stack_reg_patchlist = .;
         }
 
@@ -110,24 +110,24 @@ SECTIONS
   INIT_TEXT_SECTION(PAGE_SIZE)
   INIT_DATA_SECTION(16)
 
-  .data.patch.vtop : AT(ADDR(.data.patch.vtop) - LOAD_OFFSET)
+  .data..patch.vtop : AT(ADDR(.data..patch.vtop) - LOAD_OFFSET)
         {
           __start___vtop_patchlist = .;
-          *(.data.patch.vtop)
+          *(.data..patch.vtop)
           __end___vtop_patchlist = .;
         }
 
-  .data.patch.rse : AT(ADDR(.data.patch.rse) - LOAD_OFFSET)
+  .data..patch.rse : AT(ADDR(.data..patch.rse) - LOAD_OFFSET)
         {
           __start___rse_patchlist = .;
-          *(.data.patch.rse)
+          *(.data..patch.rse)
           __end___rse_patchlist = .;
         }
 
-  .data.patch.mckinley_e9 : AT(ADDR(.data.patch.mckinley_e9) - LOAD_OFFSET)
+  .data..patch.mckinley_e9 : AT(ADDR(.data..patch.mckinley_e9) - LOAD_OFFSET)
         {
           __start___mckinley_e9_bundles = .;
-          *(.data.patch.mckinley_e9)
+          *(.data..patch.mckinley_e9)
           __end___mckinley_e9_bundles = .;
         }
 
@@ -175,17 +175,17 @@ SECTIONS
   . = ALIGN(PAGE_SIZE);
   __init_end = .;
 
-  .data.page_aligned : AT(ADDR(.data.page_aligned) - LOAD_OFFSET)
+  .data..page_aligned : AT(ADDR(.data..page_aligned) - LOAD_OFFSET)
         {
         PAGE_ALIGNED_DATA(PAGE_SIZE)
           . = ALIGN(PAGE_SIZE);
           __start_gate_section = .;
-          *(.data.gate)
+          *(.data..gate)
           __stop_gate_section = .;
 #ifdef CONFIG_XEN
           . = ALIGN(PAGE_SIZE);
           __xen_start_gate_section = .;
-          *(.data.gate.xen)
+          *(.data..gate.xen)
           __xen_stop_gate_section = .;
 #endif
         }
diff --git a/arch/ia64/kvm/kvm-ia64.c b/arch/ia64/kvm/kvm-ia64.c
index 29afd9a252ff..9b109f25e49c 100644
--- a/arch/ia64/kvm/kvm-ia64.c
+++ b/arch/ia64/kvm/kvm-ia64.c
@@ -144,6 +144,7 @@ int kvm_arch_hardware_enable(void *garbage)
                                 VP_INIT_ENV : VP_INIT_ENV_INITALIZE,
                         __pa(kvm_vm_buffer), KVM_VM_BUFFER_BASE, &tmp_base);
         if (status != 0) {
+                spin_unlock(&vp_lock);
                 printk(KERN_WARNING"kvm: Failed to Enable VT Support!!!!\n");
                 return -EINVAL;
         }
@@ -979,11 +980,13 @@ long kvm_arch_vm_ioctl(struct file *filp,
                 r = -EFAULT;
                 if (copy_from_user(&irq_event, argp, sizeof irq_event))
                         goto out;
+                r = -ENXIO;
                 if (irqchip_in_kernel(kvm)) {
                         __s32 status;
                         status = kvm_set_irq(kvm, KVM_USERSPACE_IRQ_SOURCE_ID,
                                     irq_event.irq, irq_event.level);
                         if (ioctl == KVM_IRQ_LINE_STATUS) {
+                                r = -EFAULT;
                                 irq_event.status = status;
                                 if (copy_to_user(argp, &irq_event,
                                                         sizeof irq_event))
@@ -1379,7 +1382,7 @@ static void kvm_release_vm_pages(struct kvm *kvm)
         int i, j;
         unsigned long base_gfn;
 
-        slots = rcu_dereference(kvm->memslots);
+        slots = kvm_memslots(kvm);
         for (i = 0; i < slots->nmemslots; i++) {
                 memslot = &slots->memslots[i];
                 base_gfn = memslot->base_gfn;
@@ -1535,8 +1538,10 @@ long kvm_arch_vcpu_ioctl(struct file *filp,
                         goto out;
 
                 if (copy_to_user(user_stack, stack,
-                                 sizeof(struct kvm_ia64_vcpu_stack)))
+                                 sizeof(struct kvm_ia64_vcpu_stack))) {
+                        r = -EFAULT;
                         goto out;
+                }
 
                 break;
         }
diff --git a/arch/ia64/kvm/vmm.c b/arch/ia64/kvm/vmm.c
index 7a62f75778c5..f0b9cac82414 100644
--- a/arch/ia64/kvm/vmm.c
+++ b/arch/ia64/kvm/vmm.c
@@ -51,7 +51,7 @@ static int __init  kvm_vmm_init(void)
         vmm_fpswa_interface = fpswa_interface;
 
         /*Register vmm data to kvm side*/
-        return kvm_init(&vmm_info, 1024, THIS_MODULE);
+        return kvm_init(&vmm_info, 1024, 0, THIS_MODULE);
 }
 
 static void __exit kvm_vmm_exit(void)
diff --git a/arch/ia64/kvm/vmm_ivt.S b/arch/ia64/kvm/vmm_ivt.S
index 40920c630649..24018484c6e9 100644
--- a/arch/ia64/kvm/vmm_ivt.S
+++ b/arch/ia64/kvm/vmm_ivt.S
@@ -104,7 +104,7 @@ GLOBAL_ENTRY(kvm_vmm_panic)
         br.call.sptk.many b6=vmm_panic_handler;
 END(kvm_vmm_panic)
 
-    .section .text.ivt,"ax"
+    .section .text..ivt,"ax"
 
     .align 32768    // align on 32KB boundary
     .global kvm_ia64_ivt
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 64aff520b899..aa2533ae7e9e 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -335,8 +335,11 @@ pcibios_setup_root_windows(struct pci_bus *bus, struct pci_controller *ctrl)
 }
 
 struct pci_bus * __devinit
-pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
+pci_acpi_scan_root(struct acpi_pci_root *root)
 {
+        struct acpi_device *device = root->device;
+        int domain = root->segment;
+        int bus = root->secondary.start;
         struct pci_controller *controller;
         unsigned int windows = 0;
         struct pci_bus *pbus;
diff --git a/arch/ia64/scripts/unwcheck.py b/arch/ia64/scripts/unwcheck.py
index c27849889e19..2bfd941ff7c7 100644
--- a/arch/ia64/scripts/unwcheck.py
+++ b/arch/ia64/scripts/unwcheck.py
@@ -1,4 +1,4 @@
-#!/usr/bin/env python
+#!/usr/bin/python
 #
 # Usage: unwcheck.py FILE
 #
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index f6c1c5fd075d..fa1eceed0d23 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -30,7 +30,6 @@
 #include <linux/miscdevice.h>
 #include <linux/utsname.h>
 #include <linux/cpumask.h>
-#include <linux/smp_lock.h>
 #include <linux/nodemask.h>
 #include <linux/smp.h>
 #include <linux/mutex.h>
@@ -682,8 +681,7 @@ static int sn_hwperf_map_err(int hwperf_err)
 /*
  * ioctl for "sn_hwperf" misc device
  */
-static int
-sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
+static long sn_hwperf_ioctl(struct file *fp, u32 op, unsigned long arg)
 {
         struct sn_hwperf_ioctl_args a;
         struct cpuinfo_ia64 *cdata;
@@ -699,8 +697,6 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
         int i;
         int j;
 
-        unlock_kernel();
-
         /* only user requests are allowed here */
         if ((op & SN_HWPERF_OP_MASK) < 10) {
                 r = -EINVAL;
@@ -859,12 +855,11 @@ sn_hwperf_ioctl(struct inode *in, struct file *fp, u32 op, unsigned long arg)
 error:
         vfree(p);
 
-        lock_kernel();
         return r;
 }
 
 static const struct file_operations sn_hwperf_fops = {
-        .ioctl = sn_hwperf_ioctl,
+        .unlocked_ioctl = sn_hwperf_ioctl,
 };
 
 static struct miscdevice sn_hwperf_dev = {
diff --git a/arch/ia64/xen/gate-data.S b/arch/ia64/xen/gate-data.S
index 7d4830afc91d..6f95b6b32a4e 100644
--- a/arch/ia64/xen/gate-data.S
+++ b/arch/ia64/xen/gate-data.S
@@ -1,3 +1,3 @@
-        .section .data.gate.xen, "aw"
+        .section .data..gate.xen, "aw"
 
         .incbin "arch/ia64/xen/gate.so"
diff --git a/arch/ia64/xen/xensetup.S b/arch/ia64/xen/xensetup.S
index aff8346ea193..b820ed02ab9f 100644
--- a/arch/ia64/xen/xensetup.S
+++ b/arch/ia64/xen/xensetup.S
@@ -14,7 +14,7 @@
 #include <linux/init.h>
 #include <xen/interface/elfnote.h>
 
-        .section .data.read_mostly
+        .section .data..read_mostly
         .align 8
         .global xen_domain_type
 xen_domain_type: