Merge branch 'master' into percpu

Conflicts:
	arch/powerpc/platforms/pseries/hvCall.S
	include/linux/percpu.h

14 files changed, 100 insertions, 267 deletions

diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 6b7edcab0cb5..e1236349c99f 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -18,10 +18,6 @@ obj-$(CONFIG_IA64_GENERIC)	+= acpi-ext.o
 obj-$(CONFIG_IA64_HP_ZX1)       += acpi-ext.o
 obj-$(CONFIG_IA64_HP_ZX1_SWIOTLB) += acpi-ext.o
 
-ifneq ($(CONFIG_ACPI_PROCESSOR),)
-obj-y                           += acpi-processor.o
-endif
-
 obj-$(CONFIG_IA64_PALINFO)      += palinfo.o
 obj-$(CONFIG_IOSAPIC)           += iosapic.o
 obj-$(CONFIG_MODULES)           += module.o
@@ -81,17 +77,14 @@ define cmd_nr_irqs
 endef
 
 # We use internal kbuild rules to avoid the "is up to date" message from make
-arch/$(SRCARCH)/kernel/nr-irqs.s: $(srctree)/arch/$(SRCARCH)/kernel/nr-irqs.c \
-                                $(wildcard $(srctree)/include/asm-ia64/*/irq.h)
+arch/$(SRCARCH)/kernel/nr-irqs.s: arch/$(SRCARCH)/kernel/nr-irqs.c
         $(Q)mkdir -p $(dir $@)
         $(call if_changed_dep,cc_s_c)
 
-include/asm-ia64/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s
+include/generated/nr-irqs.h: arch/$(SRCARCH)/kernel/nr-irqs.s
         $(Q)mkdir -p $(dir $@)
         $(call cmd,nr_irqs)
 
-clean-files += $(objtree)/include/asm-ia64/nr-irqs.h
-
 #
 # native ivt.S, entry.S and fsys.S
 #
diff --git a/arch/ia64/kernel/acpi-processor.c b/arch/ia64/kernel/acpi-processor.c
deleted file mode 100644
index dbda7bde6112..000000000000
--- a/arch/ia64/kernel/acpi-processor.c
+++ /dev/null
@@ -1,85 +0,0 @@
-/*
- * arch/ia64/kernel/acpi-processor.c
- *
- * Copyright (C) 2005 Intel Corporation
- *      Venkatesh Pallipadi <venkatesh.pallipadi@intel.com>
- *      - Added _PDC for platforms with Intel CPUs
- */
-
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/acpi.h>
-
-#include <acpi/processor.h>
-#include <asm/acpi.h>
-
-static void init_intel_pdc(struct acpi_processor *pr)
-{
-        struct acpi_object_list *obj_list;
-        union acpi_object *obj;
-        u32 *buf;
-
-        /* allocate and initialize pdc. It will be used later. */
-        obj_list = kmalloc(sizeof(struct acpi_object_list), GFP_KERNEL);
-        if (!obj_list) {
-                printk(KERN_ERR "Memory allocation error\n");
-                return;
-        }
-
-        obj = kmalloc(sizeof(union acpi_object), GFP_KERNEL);
-        if (!obj) {
-                printk(KERN_ERR "Memory allocation error\n");
-                kfree(obj_list);
-                return;
-        }
-
-        buf = kmalloc(12, GFP_KERNEL);
-        if (!buf) {
-                printk(KERN_ERR "Memory allocation error\n");
-                kfree(obj);
-                kfree(obj_list);
-                return;
-        }
-
-        buf[0] = ACPI_PDC_REVISION_ID;
-        buf[1] = 1;
-        buf[2] = ACPI_PDC_EST_CAPABILITY_SMP;
-        /*
-         * The default of PDC_SMP_T_SWCOORD bit is set for IA64 cpu so
-         * that OSPM is capable of native ACPI throttling software
-         * coordination using BIOS supplied _TSD info.
-         */
-        buf[2] |= ACPI_PDC_SMP_T_SWCOORD;
-
-        obj->type = ACPI_TYPE_BUFFER;
-        obj->buffer.length = 12;
-        obj->buffer.pointer = (u8 *) buf;
-        obj_list->count = 1;
-        obj_list->pointer = obj;
-        pr->pdc = obj_list;
-
-        return;
-}
-
-/* Initialize _PDC data based on the CPU vendor */
-void arch_acpi_processor_init_pdc(struct acpi_processor *pr)
-{
-        pr->pdc = NULL;
-        init_intel_pdc(pr);
-        return;
-}
-
-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/crash.c b/arch/ia64/kernel/crash.c
index 6631a9dfafdc..b942f4032d7a 100644
--- a/arch/ia64/kernel/crash.c
+++ b/arch/ia64/kernel/crash.c
@@ -239,32 +239,29 @@ kdump_init_notifier(struct notifier_block *self, unsigned long val, void *data)
 #ifdef CONFIG_SYSCTL
 static ctl_table kdump_ctl_table[] = {
         {
-                .ctl_name = CTL_UNNUMBERED,
                 .procname = "kdump_on_init",
                 .data = &kdump_on_init,
                 .maxlen = sizeof(int),
                 .mode = 0644,
-                .proc_handler = &proc_dointvec,
+                .proc_handler = proc_dointvec,
         },
         {
-                .ctl_name = CTL_UNNUMBERED,
                 .procname = "kdump_on_fatal_mca",
                 .data = &kdump_on_fatal_mca,
                 .maxlen = sizeof(int),
                 .mode = 0644,
-                .proc_handler = &proc_dointvec,
+                .proc_handler = proc_dointvec,
         },
-        { .ctl_name = 0 }
+        { }
 };
 
 static ctl_table sys_table[] = {
         {
-          .ctl_name = CTL_KERN,
           .procname = "kernel",
           .mode = 0555,
           .child = kdump_ctl_table,
         },
-        { .ctl_name = 0 }
+        { }
 };
 #endif
 
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index d0e7d37017b4..d75b872ca4dc 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1806,6 +1806,7 @@ sys_call_table:
         data8 sys_preadv
         data8 sys_pwritev                       // 1320
         data8 sys_rt_tgsigqueueinfo
+        data8 sys_recvmmsg
 
         .org sys_call_table + 8*NR_syscalls     // guard against failures to increase NR_syscalls
 #endif /* __IA64_ASM_PARAVIRTUALIZED_NATIVE */
diff --git a/arch/ia64/kernel/esi.c b/arch/ia64/kernel/esi.c
index d5764a3d74af..b091111270cb 100644
--- a/arch/ia64/kernel/esi.c
+++ b/arch/ia64/kernel/esi.c
@@ -84,7 +84,7 @@ static int __init esi_init (void)
                       case ESI_DESC_ENTRY_POINT:
                         break;
                       default:
-                        printk(KERN_WARNING "Unkown table type %d found in "
+                        printk(KERN_WARNING "Unknown table type %d found in "
                                "ESI table, ignoring rest of table\n", *p);
                         return -ENODEV;
                 }
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index dab4d393908c..95ac77aeae9b 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -793,12 +793,12 @@ iosapic_register_intr (unsigned int gsi,
                         goto unlock_iosapic_lock;
         }
 
-        spin_lock(&irq_desc[irq].lock);
+        raw_spin_lock(&irq_desc[irq].lock);
         dest = get_target_cpu(gsi, irq);
         dmode = choose_dmode();
         err = register_intr(gsi, irq, dmode, polarity, trigger);
         if (err < 0) {
-                spin_unlock(&irq_desc[irq].lock);
+                raw_spin_unlock(&irq_desc[irq].lock);
                 irq = err;
                 goto unlock_iosapic_lock;
         }
@@ -817,7 +817,7 @@ iosapic_register_intr (unsigned int gsi,
                (polarity == IOSAPIC_POL_HIGH ? "high" : "low"),
                cpu_logical_id(dest), dest, irq_to_vector(irq));
 
-        spin_unlock(&irq_desc[irq].lock);
+        raw_spin_unlock(&irq_desc[irq].lock);
  unlock_iosapic_lock:
         spin_unlock_irqrestore(&iosapic_lock, flags);
         return irq;
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 7d8951229e7c..94ee9d067cbd 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -71,7 +71,7 @@ int show_interrupts(struct seq_file *p, void *v)
         }
 
         if (i < NR_IRQS) {
-                spin_lock_irqsave(&irq_desc[i].lock, flags);
+                raw_spin_lock_irqsave(&irq_desc[i].lock, flags);
                 action = irq_desc[i].action;
                 if (!action)
                         goto skip;
@@ -91,7 +91,7 @@ int show_interrupts(struct seq_file *p, void *v)
 
                 seq_putc(p, '\n');
 skip:
-                spin_unlock_irqrestore(&irq_desc[i].lock, flags);
+                raw_spin_unlock_irqrestore(&irq_desc[i].lock, flags);
         } else if (i == NR_IRQS)
                 seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
         return 0;
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index dd9d7b54f1a1..d4093a173a3e 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -260,7 +260,6 @@ void __setup_vector_irq(int cpu)
 }
 
 #if defined(CONFIG_SMP) && (defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG))
-#define IA64_IRQ_MOVE_VECTOR    IA64_DEF_FIRST_DEVICE_VECTOR
 
 static enum vector_domain_type {
         VECTOR_DOMAIN_NONE,
@@ -345,7 +344,7 @@ static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
 
                 desc = irq_desc + irq;
                 cfg = irq_cfg + irq;
-                spin_lock(&desc->lock);
+                raw_spin_lock(&desc->lock);
                 if (!cfg->move_cleanup_count)
                         goto unlock;
 
@@ -358,7 +357,7 @@ static irqreturn_t smp_irq_move_cleanup_interrupt(int irq, void *dev_id)
                 spin_unlock_irqrestore(&vector_lock, flags);
                 cfg->move_cleanup_count--;
         unlock:
-                spin_unlock(&desc->lock);
+                raw_spin_unlock(&desc->lock);
         }
         return IRQ_HANDLED;
 }
@@ -659,11 +658,8 @@ init_IRQ (void)
         register_percpu_irq(IA64_SPURIOUS_INT_VECTOR, NULL);
 #ifdef CONFIG_SMP
 #if defined(CONFIG_IA64_GENERIC) || defined(CONFIG_IA64_DIG)
-        if (vector_domain_type != VECTOR_DOMAIN_NONE) {
-                BUG_ON(IA64_FIRST_DEVICE_VECTOR != IA64_IRQ_MOVE_VECTOR);
-                IA64_FIRST_DEVICE_VECTOR++;
+        if (vector_domain_type != VECTOR_DOMAIN_NONE)
                 register_percpu_irq(IA64_IRQ_MOVE_VECTOR, &irq_move_irqaction);
-        }
 #endif
 #endif
 #ifdef CONFIG_PERFMON
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index d2877a7bfe2e..32f2639e9b0a 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -887,6 +887,65 @@ ia64_mca_modify_comm(const struct task_struct *previous_current)
         memcpy(current->comm, comm, sizeof(current->comm));
 }
 
+static void
+finish_pt_regs(struct pt_regs *regs, struct ia64_sal_os_state *sos,
+                unsigned long *nat)
+{
+        const pal_min_state_area_t *ms = sos->pal_min_state;
+        const u64 *bank;
+
+        /* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use
+         * pmsa_{xip,xpsr,xfs}
+         */
+        if (ia64_psr(regs)->ic) {
+                regs->cr_iip = ms->pmsa_iip;
+                regs->cr_ipsr = ms->pmsa_ipsr;
+                regs->cr_ifs = ms->pmsa_ifs;
+        } else {
+                regs->cr_iip = ms->pmsa_xip;
+                regs->cr_ipsr = ms->pmsa_xpsr;
+                regs->cr_ifs = ms->pmsa_xfs;
+
+                sos->iip = ms->pmsa_iip;
+                sos->ipsr = ms->pmsa_ipsr;
+                sos->ifs = ms->pmsa_ifs;
+        }
+        regs->pr = ms->pmsa_pr;
+        regs->b0 = ms->pmsa_br0;
+        regs->ar_rsc = ms->pmsa_rsc;
+        copy_reg(&ms->pmsa_gr[1-1], ms->pmsa_nat_bits, &regs->r1, nat);
+        copy_reg(&ms->pmsa_gr[2-1], ms->pmsa_nat_bits, &regs->r2, nat);
+        copy_reg(&ms->pmsa_gr[3-1], ms->pmsa_nat_bits, &regs->r3, nat);
+        copy_reg(&ms->pmsa_gr[8-1], ms->pmsa_nat_bits, &regs->r8, nat);
+        copy_reg(&ms->pmsa_gr[9-1], ms->pmsa_nat_bits, &regs->r9, nat);
+        copy_reg(&ms->pmsa_gr[10-1], ms->pmsa_nat_bits, &regs->r10, nat);
+        copy_reg(&ms->pmsa_gr[11-1], ms->pmsa_nat_bits, &regs->r11, nat);
+        copy_reg(&ms->pmsa_gr[12-1], ms->pmsa_nat_bits, &regs->r12, nat);
+        copy_reg(&ms->pmsa_gr[13-1], ms->pmsa_nat_bits, &regs->r13, nat);
+        copy_reg(&ms->pmsa_gr[14-1], ms->pmsa_nat_bits, &regs->r14, nat);
+        copy_reg(&ms->pmsa_gr[15-1], ms->pmsa_nat_bits, &regs->r15, nat);
+        if (ia64_psr(regs)->bn)
+                bank = ms->pmsa_bank1_gr;
+        else
+                bank = ms->pmsa_bank0_gr;
+        copy_reg(&bank[16-16], ms->pmsa_nat_bits, &regs->r16, nat);
+        copy_reg(&bank[17-16], ms->pmsa_nat_bits, &regs->r17, nat);
+        copy_reg(&bank[18-16], ms->pmsa_nat_bits, &regs->r18, nat);
+        copy_reg(&bank[19-16], ms->pmsa_nat_bits, &regs->r19, nat);
+        copy_reg(&bank[20-16], ms->pmsa_nat_bits, &regs->r20, nat);
+        copy_reg(&bank[21-16], ms->pmsa_nat_bits, &regs->r21, nat);
+        copy_reg(&bank[22-16], ms->pmsa_nat_bits, &regs->r22, nat);
+        copy_reg(&bank[23-16], ms->pmsa_nat_bits, &regs->r23, nat);
+        copy_reg(&bank[24-16], ms->pmsa_nat_bits, &regs->r24, nat);
+        copy_reg(&bank[25-16], ms->pmsa_nat_bits, &regs->r25, nat);
+        copy_reg(&bank[26-16], ms->pmsa_nat_bits, &regs->r26, nat);
+        copy_reg(&bank[27-16], ms->pmsa_nat_bits, &regs->r27, nat);
+        copy_reg(&bank[28-16], ms->pmsa_nat_bits, &regs->r28, nat);
+        copy_reg(&bank[29-16], ms->pmsa_nat_bits, &regs->r29, nat);
+        copy_reg(&bank[30-16], ms->pmsa_nat_bits, &regs->r30, nat);
+        copy_reg(&bank[31-16], ms->pmsa_nat_bits, &regs->r31, nat);
+}
+
 /* On entry to this routine, we are running on the per cpu stack, see
  * mca_asm.h.  The original stack has not been touched by this event.  Some of
  * the original stack's registers will be in the RBS on this stack.  This stack
@@ -921,7 +980,6 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
         u64 r12 = ms->pmsa_gr[12-1], r13 = ms->pmsa_gr[13-1];
         u64 ar_bspstore = regs->ar_bspstore;
         u64 ar_bsp = regs->ar_bspstore + (loadrs >> 16);
-        const u64 *bank;
         const char *msg;
         int cpu = smp_processor_id();
 
@@ -1024,54 +1082,9 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
         p = (char *)r12 - sizeof(*regs);
         old_regs = (struct pt_regs *)p;
         memcpy(old_regs, regs, sizeof(*regs));
-        /* If ipsr.ic then use pmsa_{iip,ipsr,ifs}, else use
-         * pmsa_{xip,xpsr,xfs}
-         */
-        if (ia64_psr(regs)->ic) {
-                old_regs->cr_iip = ms->pmsa_iip;
-                old_regs->cr_ipsr = ms->pmsa_ipsr;
-                old_regs->cr_ifs = ms->pmsa_ifs;
-        } else {
-                old_regs->cr_iip = ms->pmsa_xip;
-                old_regs->cr_ipsr = ms->pmsa_xpsr;
-                old_regs->cr_ifs = ms->pmsa_xfs;
-        }
-        old_regs->pr = ms->pmsa_pr;
-        old_regs->b0 = ms->pmsa_br0;
         old_regs->loadrs = loadrs;
-        old_regs->ar_rsc = ms->pmsa_rsc;
         old_unat = old_regs->ar_unat;
-        copy_reg(&ms->pmsa_gr[1-1], ms->pmsa_nat_bits, &old_regs->r1, &old_unat);
-        copy_reg(&ms->pmsa_gr[2-1], ms->pmsa_nat_bits, &old_regs->r2, &old_unat);
-        copy_reg(&ms->pmsa_gr[3-1], ms->pmsa_nat_bits, &old_regs->r3, &old_unat);
-        copy_reg(&ms->pmsa_gr[8-1], ms->pmsa_nat_bits, &old_regs->r8, &old_unat);
-        copy_reg(&ms->pmsa_gr[9-1], ms->pmsa_nat_bits, &old_regs->r9, &old_unat);
-        copy_reg(&ms->pmsa_gr[10-1], ms->pmsa_nat_bits, &old_regs->r10, &old_unat);
-        copy_reg(&ms->pmsa_gr[11-1], ms->pmsa_nat_bits, &old_regs->r11, &old_unat);
-        copy_reg(&ms->pmsa_gr[12-1], ms->pmsa_nat_bits, &old_regs->r12, &old_unat);
-        copy_reg(&ms->pmsa_gr[13-1], ms->pmsa_nat_bits, &old_regs->r13, &old_unat);
-        copy_reg(&ms->pmsa_gr[14-1], ms->pmsa_nat_bits, &old_regs->r14, &old_unat);
-        copy_reg(&ms->pmsa_gr[15-1], ms->pmsa_nat_bits, &old_regs->r15, &old_unat);
-        if (ia64_psr(old_regs)->bn)
-                bank = ms->pmsa_bank1_gr;
-        else
-                bank = ms->pmsa_bank0_gr;
-        copy_reg(&bank[16-16], ms->pmsa_nat_bits, &old_regs->r16, &old_unat);
-        copy_reg(&bank[17-16], ms->pmsa_nat_bits, &old_regs->r17, &old_unat);
-        copy_reg(&bank[18-16], ms->pmsa_nat_bits, &old_regs->r18, &old_unat);
-        copy_reg(&bank[19-16], ms->pmsa_nat_bits, &old_regs->r19, &old_unat);
-        copy_reg(&bank[20-16], ms->pmsa_nat_bits, &old_regs->r20, &old_unat);
-        copy_reg(&bank[21-16], ms->pmsa_nat_bits, &old_regs->r21, &old_unat);
-        copy_reg(&bank[22-16], ms->pmsa_nat_bits, &old_regs->r22, &old_unat);
-        copy_reg(&bank[23-16], ms->pmsa_nat_bits, &old_regs->r23, &old_unat);
-        copy_reg(&bank[24-16], ms->pmsa_nat_bits, &old_regs->r24, &old_unat);
-        copy_reg(&bank[25-16], ms->pmsa_nat_bits, &old_regs->r25, &old_unat);
-        copy_reg(&bank[26-16], ms->pmsa_nat_bits, &old_regs->r26, &old_unat);
-        copy_reg(&bank[27-16], ms->pmsa_nat_bits, &old_regs->r27, &old_unat);
-        copy_reg(&bank[28-16], ms->pmsa_nat_bits, &old_regs->r28, &old_unat);
-        copy_reg(&bank[29-16], ms->pmsa_nat_bits, &old_regs->r29, &old_unat);
-        copy_reg(&bank[30-16], ms->pmsa_nat_bits, &old_regs->r30, &old_unat);
-        copy_reg(&bank[31-16], ms->pmsa_nat_bits, &old_regs->r31, &old_unat);
+        finish_pt_regs(old_regs, sos, &old_unat);
 
         /* Next stack a struct switch_stack.  mca_asm.S built a partial
          * switch_stack, copy it and fill in the blanks using pt_regs and
@@ -1141,6 +1154,8 @@ ia64_mca_modify_original_stack(struct pt_regs *regs,
 no_mod:
         mprintk(KERN_INFO "cpu %d, %s %s, original stack not modified\n",
                         smp_processor_id(), type, msg);
+        old_unat = regs->ar_unat;
+        finish_pt_regs(regs, sos, &old_unat);
         return previous_current;
 }
 
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index 285aae8431c6..53292abf846c 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -41,7 +41,7 @@ struct dma_map_ops swiotlb_dma_ops = {
 void __init swiotlb_dma_init(void)
 {
         dma_ops = &swiotlb_dma_ops;
-        swiotlb_init();
+        swiotlb_init(1);
 }
 
 void __init pci_swiotlb_init(void)
@@ -51,7 +51,7 @@ void __init pci_swiotlb_init(void)
                 swiotlb = 1;
                 printk(KERN_INFO "PCI-DMA: Re-initialize machine vector.\n");
                 machvec_init("dig");
-                swiotlb_init();
+                swiotlb_init(1);
                 dma_ops = &swiotlb_dma_ops;
 #else
                 panic("Unable to find Intel IOMMU");
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index f1782705b1f7..5246285a95fb 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -522,42 +522,37 @@ EXPORT_SYMBOL(pfm_sysctl);
 
 static ctl_table pfm_ctl_table[]={
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "debug",
                 .data           = &pfm_sysctl.debug,
                 .maxlen         = sizeof(int),
                 .mode           = 0666,
-                .proc_handler   = &proc_dointvec,
+                .proc_handler   = proc_dointvec,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "debug_ovfl",
                 .data           = &pfm_sysctl.debug_ovfl,
                 .maxlen         = sizeof(int),
                 .mode           = 0666,
-                .proc_handler   = &proc_dointvec,
+                .proc_handler   = proc_dointvec,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "fastctxsw",
                 .data           = &pfm_sysctl.fastctxsw,
                 .maxlen         = sizeof(int),
                 .mode           = 0600,
-                .proc_handler   =  &proc_dointvec,
+                .proc_handler   = proc_dointvec,
         },
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "expert_mode",
                 .data           = &pfm_sysctl.expert_mode,
                 .maxlen         = sizeof(int),
                 .mode           = 0600,
-                .proc_handler   = &proc_dointvec,
+                .proc_handler   = proc_dointvec,
         },
         {}
 };
 static ctl_table pfm_sysctl_dir[] = {
         {
-                .ctl_name       = CTL_UNNUMBERED,
                 .procname       = "perfmon",
                 .mode           = 0555,
                 .child          = pfm_ctl_table,
@@ -566,7 +561,6 @@ static ctl_table pfm_sysctl_dir[] = {
 };
 static ctl_table pfm_sysctl_root[] = {
         {
-                .ctl_name       = CTL_KERN,
                 .procname       = "kernel",
                 .mode           = 0555,
                 .child          = pfm_sysctl_dir,
@@ -2206,7 +2200,7 @@ pfm_alloc_file(pfm_context_t *ctx)
 {
         struct file *file;
         struct inode *inode;
-        struct dentry *dentry;
+        struct path path;
         char name[32];
         struct qstr this;
 
@@ -2231,18 +2225,19 @@ pfm_alloc_file(pfm_context_t *ctx)
         /*
          * allocate a new dcache entry
          */
-        dentry = d_alloc(pfmfs_mnt->mnt_sb->s_root, &this);
-        if (!dentry) {
+        path.dentry = d_alloc(pfmfs_mnt->mnt_sb->s_root, &this);
+        if (!path.dentry) {
                 iput(inode);
                 return ERR_PTR(-ENOMEM);
         }
+        path.mnt = mntget(pfmfs_mnt);
 
-        dentry->d_op = &pfmfs_dentry_operations;
-        d_add(dentry, inode);
+        path.dentry->d_op = &pfmfs_dentry_operations;
+        d_add(path.dentry, inode);
 
-        file = alloc_file(pfmfs_mnt, dentry, FMODE_READ, &pfm_file_ops);
+        file = alloc_file(&path, FMODE_READ, &pfm_file_ops);
         if (!file) {
-                dput(dentry);
+                path_put(&path);
                 return ERR_PTR(-ENFILE);
         }
 
@@ -3523,7 +3518,7 @@ pfm_use_debug_registers(struct task_struct *task)
  * IA64_THREAD_DBG_VALID set. This indicates a task which was
  * able to use the debug registers for debugging purposes via
  * ptrace(). Therefore we know it was not using them for
- * perfmormance monitoring, so we only decrement the number
+ * performance monitoring, so we only decrement the number
  * of "ptraced" debug register users to keep the count up to date
  */
 int
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index 92ed83f34036..609d50056a6c 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -100,51 +100,7 @@ sys_getpagesize (void)
 asmlinkage unsigned long
 ia64_brk (unsigned long brk)
 {
-        unsigned long rlim, retval, newbrk, oldbrk;
-        struct mm_struct *mm = current->mm;
-
-        /*
-         * Most of this replicates the code in sys_brk() except for an additional safety
-         * check and the clearing of r8.  However, we can't call sys_brk() because we need
-         * to acquire the mmap_sem before we can do the test...
-         */
-        down_write(&mm->mmap_sem);
-
-        if (brk < mm->end_code)
-                goto out;
-        newbrk = PAGE_ALIGN(brk);
-        oldbrk = PAGE_ALIGN(mm->brk);
-        if (oldbrk == newbrk)
-                goto set_brk;
-
-        /* Always allow shrinking brk. */
-        if (brk <= mm->brk) {
-                if (!do_munmap(mm, newbrk, oldbrk-newbrk))
-                        goto set_brk;
-                goto out;
-        }
-
-        /* Check against unimplemented/unmapped addresses: */
-        if ((newbrk - oldbrk) > RGN_MAP_LIMIT || REGION_OFFSET(newbrk) > RGN_MAP_LIMIT)
-                goto out;
-
-        /* Check against rlimit.. */
-        rlim = current->signal->rlim[RLIMIT_DATA].rlim_cur;
-        if (rlim < RLIM_INFINITY && brk - mm->start_data > rlim)
-                goto out;
-
-        /* Check against existing mmap mappings. */
-        if (find_vma_intersection(mm, oldbrk, newbrk+PAGE_SIZE))
-                goto out;
-
-        /* Ok, looks good - let it rip. */
-        if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk)
-                goto out;
-set_brk:
-        mm->brk = brk;
-out:
-        retval = mm->brk;
-        up_write(&mm->mmap_sem);
+        unsigned long retval = sys_brk(brk);
         force_successful_syscall_return();
         return retval;
 }
@@ -185,39 +141,6 @@ int ia64_mmap_check(unsigned long addr, unsigned long len,
         return 0;
 }
 
-static inline unsigned long
-do_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, unsigned long pgoff)
-{
-        struct file *file = NULL;
-
-        flags &= ~(MAP_EXECUTABLE | MAP_DENYWRITE);
-        if (!(flags & MAP_ANONYMOUS)) {
-                file = fget(fd);
-                if (!file)
-                        return -EBADF;
-
-                if (!file->f_op || !file->f_op->mmap) {
-                        addr = -ENODEV;
-                        goto out;
-                }
-        }
-
-        /* Careful about overflows.. */
-        len = PAGE_ALIGN(len);
-        if (!len || len > TASK_SIZE) {
-                addr = -EINVAL;
-                goto out;
-        }
-
-        down_write(&current->mm->mmap_sem);
-        addr = do_mmap_pgoff(file, addr, len, prot, flags, pgoff);
-        up_write(&current->mm->mmap_sem);
-
-out:    if (file)
-                fput(file);
-        return addr;
-}
-
 /*
  * mmap2() is like mmap() except that the offset is expressed in units
  * of PAGE_SIZE (instead of bytes).  This allows to mmap2() (pieces
@@ -226,7 +149,7 @@ out:	if (file)
 asmlinkage unsigned long
 sys_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, long pgoff)
 {
-        addr = do_mmap2(addr, len, prot, flags, fd, pgoff);
+        addr = sys_mmap_pgoff(addr, len, prot, flags, fd, pgoff);
         if (!IS_ERR((void *) addr))
                 force_successful_syscall_return();
         return addr;
@@ -238,7 +161,7 @@ sys_mmap (unsigned long addr, unsigned long len, int prot, int flags, int fd, lo
         if (offset_in_page(off) != 0)
                 return -EINVAL;
 
-        addr = do_mmap2(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
+        addr = sys_mmap_pgoff(addr, len, prot, flags, fd, off >> PAGE_SHIFT);
         if (!IS_ERR((void *) addr))
                 force_successful_syscall_return();
         return addr;
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 4990495d7531..a35c661e5e89 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -473,7 +473,7 @@ void update_vsyscall_tz(void)
 {
 }
 
-void update_vsyscall(struct timespec *wall, struct clocksource *c)
+void update_vsyscall(struct timespec *wall, struct clocksource *c, u32 mult)
 {
         unsigned long flags;
 
@@ -481,7 +481,7 @@ void update_vsyscall(struct timespec *wall, struct clocksource *c)
 
         /* copy fsyscall clock data */
         fsyscall_gtod_data.clk_mask = c->mask;
-        fsyscall_gtod_data.clk_mult = c->mult;
+        fsyscall_gtod_data.clk_mult = mult;
         fsyscall_gtod_data.clk_shift = c->shift;
         fsyscall_gtod_data.clk_fsys_mmio = c->fsys_mmio;
         fsyscall_gtod_data.clk_cycle_last = c->cycle_last;
diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index 6db08599ebbc..776dd40397e2 100644
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -60,7 +60,6 @@ dump (const char *str, void *vp, size_t len)
  */
 int no_unaligned_warning;
 int unaligned_dump_stack;
-static int noprint_warning;
 
 /*
  * For M-unit:
@@ -1357,9 +1356,8 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
                         /* watch for command names containing %s */
                         printk(KERN_WARNING "%s", buf);
                 } else {
-                        if (no_unaligned_warning && !noprint_warning) {
-                                noprint_warning = 1;
-                                printk(KERN_WARNING "%s(%d) encountered an "
+                        if (no_unaligned_warning) {
+                                printk_once(KERN_WARNING "%s(%d) encountered an "
                                        "unaligned exception which required\n"
                                        "kernel assistance, which degrades "
                                        "the performance of the application.\n"