Merge branch 'perf/core' into perf/uprobes

Merge in latest upstream (and the latest perf development tree),
to prepare for tooling changes, and also to pick up v3.4 MM
changes that the uprobes code needs to take care of.

Signed-off-by: Ingo Molnar <mingo@kernel.org>

32 files changed, 59 insertions, 74 deletions

diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 5207035dc06..6f38b6120d9 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -50,7 +50,6 @@
 #include <asm/iosapic.h>
 #include <asm/machvec.h>
 #include <asm/page.h>
-#include <asm/system.h>
 #include <asm/numa.h>
 #include <asm/sal.h>
 #include <asm/cyclone.h>
@@ -349,11 +348,11 @@ acpi_parse_int_src_ovr(struct acpi_subtable_header * header,
 
 	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,
+				  ACPI_MADT_POLARITY_ACTIVE_LOW) ?
+				 IOSAPIC_POL_LOW : IOSAPIC_POL_HIGH,
 				 ((p->inti_flags & ACPI_MADT_TRIGGER_MASK) ==
-				 ACPI_MADT_TRIGGER_EDGE) ?
-				 IOSAPIC_EDGE : IOSAPIC_LEVEL);
+				 ACPI_MADT_TRIGGER_LEVEL) ?
+				 IOSAPIC_LEVEL : IOSAPIC_EDGE);
 	return 0;
 }
 
@@ -840,11 +839,11 @@ static __init int setup_additional_cpus(char *s)
 early_param("additional_cpus", setup_additional_cpus);
 
 /*
- * cpu_possible_map should be static, it cannot change as CPUs
+ * cpu_possible_mask should be static, it cannot change as CPUs
  * are onlined, or offlined. The reason is per-cpu data-structures
  * are allocated by some modules at init time, and dont expect to
  * do this dynamically on cpu arrival/departure.
- * cpu_present_map on the other hand can change dynamically.
+ * cpu_present_mask on the other hand can change dynamically.
  * In case when cpu_hotplug is not compiled, then we resort to current
  * behaviour, which is cpu_possible == cpu_present.
  * - Ashok Raj
@@ -922,7 +921,7 @@ static int __cpuinit _acpi_map_lsapic(acpi_handle handle, int *pcpu)
 
 	acpi_map_cpu2node(handle, cpu, physid);
 
-	cpu_set(cpu, cpu_present_map);
+	set_cpu_present(cpu, true);
 	ia64_cpu_to_sapicid[cpu] = physid;
 
 	acpi_processor_set_pdc(handle);
@@ -941,7 +940,7 @@ EXPORT_SYMBOL(acpi_map_lsapic);
 int acpi_unmap_lsapic(int cpu)
 {
 	ia64_cpu_to_sapicid[cpu] = -1;
-	cpu_clear(cpu, cpu_present_map);
+	set_cpu_present(cpu, false);
 
 #ifdef CONFIG_ACPI_NUMA
 	/* NUMA specific cleanup's */
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index af565016904..a48bd9a9927 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -269,8 +269,8 @@ void foo(void)
 	BLANK();
 
 	/* used by fsys_gettimeofday in arch/ia64/kernel/fsys.S */
-	DEFINE(IA64_GTOD_LOCK_OFFSET,
-		offsetof (struct fsyscall_gtod_data_t, lock));
+	DEFINE(IA64_GTOD_SEQ_OFFSET,
+	       offsetof (struct fsyscall_gtod_data_t, seq));
 	DEFINE(IA64_GTOD_WALL_TIME_OFFSET,
 		offsetof (struct fsyscall_gtod_data_t, wall_time));
 	DEFINE(IA64_GTOD_MONO_TIME_OFFSET,
diff --git a/arch/ia64/kernel/efi.c b/arch/ia64/kernel/efi.c
index c38d22e5e90..d37bbd48637 100644
--- a/arch/ia64/kernel/efi.c
+++ b/arch/ia64/kernel/efi.c
@@ -39,6 +39,7 @@
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/mca.h>
+#include <asm/setup.h>
 #include <asm/tlbflush.h>
 
 #define EFI_DEBUG	0
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index 331d42bda77..cc26edac0ec 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -21,7 +21,6 @@
 #include <asm/thread_info.h>
 #include <asm/sal.h>
 #include <asm/signal.h>
-#include <asm/system.h>
 #include <asm/unistd.h>
 
 #include "entry.h"
@@ -174,7 +173,7 @@ ENTRY(fsys_set_tid_address)
 	FSYS_RETURN
 END(fsys_set_tid_address)
 
-#if IA64_GTOD_LOCK_OFFSET !=0
+#if IA64_GTOD_SEQ_OFFSET !=0
 #error fsys_gettimeofday incompatible with changes to struct fsyscall_gtod_data_t
 #endif
 #if IA64_ITC_JITTER_OFFSET !=0
diff --git a/arch/ia64/kernel/fsyscall_gtod_data.h b/arch/ia64/kernel/fsyscall_gtod_data.h
index 57d2ee6c83e..146b15b5fec 100644
--- a/arch/ia64/kernel/fsyscall_gtod_data.h
+++ b/arch/ia64/kernel/fsyscall_gtod_data.h
@@ -6,7 +6,7 @@
  */
 
 struct fsyscall_gtod_data_t {
-	seqlock_t	lock;
+	seqcount_t	seq;
 	struct timespec	wall_time;
 	struct timespec monotonic_time;
 	cycle_t		clk_mask;
diff --git a/arch/ia64/kernel/gate.S b/arch/ia64/kernel/gate.S
index 245d3e1ec7e..b5f8bdd8618 100644
--- a/arch/ia64/kernel/gate.S
+++ b/arch/ia64/kernel/gate.S
@@ -11,8 +11,9 @@
 #include <asm/errno.h>
 #include <asm/asm-offsets.h>
 #include <asm/sigcontext.h>
-#include <asm/system.h>
 #include <asm/unistd.h>
+#include <asm/kregs.h>
+#include <asm/page.h>
 #include "paravirt_inst.h"
 
 /*
diff --git a/arch/ia64/kernel/gate.lds.S b/arch/ia64/kernel/gate.lds.S
index d32b0855110..e518f7902af 100644
--- a/arch/ia64/kernel/gate.lds.S
+++ b/arch/ia64/kernel/gate.lds.S
@@ -5,8 +5,7 @@
  * its layout.
  */
 
-
-#include <asm/system.h>
+#include <asm/page.h>
 #include "paravirt_patchlist.h"
 
 SECTIONS
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 17a9fba3893..629a250f7c1 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -30,7 +30,6 @@
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 #include <asm/mca_asm.h>
 #include <linux/init.h>
 #include <linux/linkage.h>
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index b0f9afebb14..ef4b5d877cf 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -98,7 +98,6 @@
 #include <asm/machvec.h>
 #include <asm/processor.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 
 #undef DEBUG_INTERRUPT_ROUTING
 
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 782c3a357f2..5c3e0888265 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -39,7 +39,6 @@
 #include <asm/hw_irq.h>
 #include <asm/machvec.h>
 #include <asm/pgtable.h>
-#include <asm/system.h>
 #include <asm/tlbflush.h>
 
 #ifdef CONFIG_PERFMON
@@ -118,7 +117,7 @@ static inline int find_unassigned_vector(cpumask_t domain)
 	cpumask_t mask;
 	int pos, vector;
 
-	cpus_and(mask, domain, cpu_online_map);
+	cpumask_and(&mask, &domain, cpu_online_mask);
 	if (cpus_empty(mask))
 		return -EINVAL;
 
@@ -141,7 +140,7 @@ static int __bind_irq_vector(int irq, int vector, cpumask_t domain)
 	BUG_ON((unsigned)irq >= NR_IRQS);
 	BUG_ON((unsigned)vector >= IA64_NUM_VECTORS);
 
-	cpus_and(mask, domain, cpu_online_map);
+	cpumask_and(&mask, &domain, cpu_online_mask);
 	if (cpus_empty(mask))
 		return -EINVAL;
 	if ((cfg->vector == vector) && cpus_equal(cfg->domain, domain))
@@ -179,7 +178,7 @@ static void __clear_irq_vector(int irq)
 	BUG_ON(cfg->vector == IRQ_VECTOR_UNASSIGNED);
 	vector = cfg->vector;
 	domain = cfg->domain;
-	cpus_and(mask, cfg->domain, cpu_online_map);
+	cpumask_and(&mask, &cfg->domain, cpu_online_mask);
 	for_each_cpu_mask(cpu, mask)
 		per_cpu(vector_irq, cpu)[vector] = -1;
 	cfg->vector = IRQ_VECTOR_UNASSIGNED;
@@ -322,7 +321,7 @@ void irq_complete_move(unsigned irq)
 	if (unlikely(cpu_isset(smp_processor_id(), cfg->old_domain)))
 		return;
 
-	cpus_and(cleanup_mask, cfg->old_domain, cpu_online_map);
+	cpumask_and(&cleanup_mask, &cfg->old_domain, cpu_online_mask);
 	cfg->move_cleanup_count = cpus_weight(cleanup_mask);
 	for_each_cpu_mask(i, cleanup_mask)
 		platform_send_ipi(i, IA64_IRQ_MOVE_VECTOR, IA64_IPI_DM_INT, 0);
diff --git a/arch/ia64/kernel/ivt.S b/arch/ia64/kernel/ivt.S
index d93e396bf59..fa25689fc45 100644
--- a/arch/ia64/kernel/ivt.S
+++ b/arch/ia64/kernel/ivt.S
@@ -54,7 +54,6 @@
 #include <asm/pgtable.h>
 #include <asm/processor.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 #include <asm/thread_info.h>
 #include <asm/unistd.h>
 #include <asm/errno.h>
diff --git a/arch/ia64/kernel/machine_kexec.c b/arch/ia64/kernel/machine_kexec.c
index 4eed3581499..070e8effa17 100644
--- a/arch/ia64/kernel/machine_kexec.c
+++ b/arch/ia64/kernel/machine_kexec.c
@@ -157,7 +157,7 @@ void arch_crash_save_vmcoreinfo(void)
 #endif
 #ifdef CONFIG_PGTABLE_3
 	VMCOREINFO_CONFIG(PGTABLE_3);
-#elif  CONFIG_PGTABLE_4
+#elif defined(CONFIG_PGTABLE_4)
 	VMCOREINFO_CONFIG(PGTABLE_4);
 #endif
 }
diff --git a/arch/ia64/kernel/machvec.c b/arch/ia64/kernel/machvec.c
index d41a40ef80c..f5a1e5246b3 100644
--- a/arch/ia64/kernel/machvec.c
+++ b/arch/ia64/kernel/machvec.c
@@ -1,7 +1,6 @@
 #include <linux/module.h>
 #include <linux/dma-mapping.h>
 #include <asm/machvec.h>
-#include <asm/system.h>
 
 #ifdef CONFIG_IA64_GENERIC
 
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 84fb405eee8..65bf9cd3904 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -92,7 +92,6 @@
 #include <asm/meminit.h>
 #include <asm/page.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 #include <asm/sal.h>
 #include <asm/mca.h>
 #include <asm/kexec.h>
@@ -1447,6 +1446,8 @@ out:
 	/* Get the CMC error record and log it */
 	ia64_mca_log_sal_error_record(SAL_INFO_TYPE_CMC);
 
+	local_irq_disable();
+
 	return IRQ_HANDLED;
 }
 
@@ -1513,7 +1514,8 @@ static void
 ia64_mca_cmc_poll (unsigned long dummy)
 {
 	/* Trigger a CMC interrupt cascade  */
-	platform_send_ipi(first_cpu(cpu_online_map), IA64_CMCP_VECTOR, IA64_IPI_DM_INT, 0);
+	platform_send_ipi(cpumask_first(cpu_online_mask), IA64_CMCP_VECTOR,
+							IA64_IPI_DM_INT, 0);
 }
 
 /*
@@ -1589,7 +1591,8 @@ static void
 ia64_mca_cpe_poll (unsigned long dummy)
 {
 	/* Trigger a CPE interrupt cascade  */
-	platform_send_ipi(first_cpu(cpu_online_map), IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
+	platform_send_ipi(cpumask_first(cpu_online_mask), IA64_CPEP_VECTOR,
+							IA64_IPI_DM_INT, 0);
 }
 
 #endif /* CONFIG_ACPI */
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 09b4d6828c4..1c2e8940672 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -28,7 +28,6 @@
 #include <asm/machvec.h>
 #include <asm/page.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 #include <asm/sal.h>
 #include <asm/mca.h>
 
diff --git a/arch/ia64/kernel/msi_ia64.c b/arch/ia64/kernel/msi_ia64.c
index 94e0db72d4a..fb2f1e62287 100644
--- a/arch/ia64/kernel/msi_ia64.c
+++ b/arch/ia64/kernel/msi_ia64.c
@@ -57,7 +57,7 @@ int ia64_setup_msi_irq(struct pci_dev *pdev, struct msi_desc *desc)
 		return irq;
 
 	irq_set_msi_desc(irq, desc);
-	cpus_and(mask, irq_to_domain(irq), cpu_online_map);
+	cpumask_and(&mask, &(irq_to_domain(irq)), cpu_online_mask);
 	dest_phys_id = cpu_physical_id(first_cpu(mask));
 	vector = irq_to_vector(irq);
 
@@ -179,7 +179,7 @@ msi_compose_msg(struct pci_dev *pdev, unsigned int irq, struct msi_msg *msg)
 	unsigned dest;
 	cpumask_t mask;
 
-	cpus_and(mask, irq_to_domain(irq), cpu_online_map);
+	cpumask_and(&mask, &(irq_to_domain(irq)), cpu_online_mask);
 	dest = cpu_physical_id(first_cpu(mask));
 
 	msg->address_hi = 0;
diff --git a/arch/ia64/kernel/paravirt.c b/arch/ia64/kernel/paravirt.c
index 100868216c5..1b22f6de293 100644
--- a/arch/ia64/kernel/paravirt.c
+++ b/arch/ia64/kernel/paravirt.c
@@ -634,8 +634,8 @@ struct pv_irq_ops pv_irq_ops = {
  * pv_time_ops
  * time operations
  */
-struct jump_label_key paravirt_steal_enabled;
-struct jump_label_key paravirt_steal_rq_enabled;
+struct static_key paravirt_steal_enabled;
+struct static_key paravirt_steal_rq_enabled;
 
 static int
 ia64_native_do_steal_accounting(unsigned long *new_itm)
diff --git a/arch/ia64/kernel/patch.c b/arch/ia64/kernel/patch.c
index 68a1311db80..1cf09179371 100644
--- a/arch/ia64/kernel/patch.c
+++ b/arch/ia64/kernel/patch.c
@@ -11,7 +11,6 @@
 #include <asm/patch.h>
 #include <asm/processor.h>
 #include <asm/sections.h>
-#include <asm/system.h>
 #include <asm/unistd.h>
 
 /*
diff --git a/arch/ia64/kernel/pci-dma.c b/arch/ia64/kernel/pci-dma.c
index eb117572005..7cdc89b2483 100644
--- a/arch/ia64/kernel/pci-dma.c
+++ b/arch/ia64/kernel/pci-dma.c
@@ -12,7 +12,6 @@
 #include <asm/machvec.h>
 #include <linux/dma-mapping.h>
 
-#include <asm/system.h>
 
 #ifdef CONFIG_INTEL_IOMMU
 
diff --git a/arch/ia64/kernel/pci-swiotlb.c b/arch/ia64/kernel/pci-swiotlb.c
index d9485d952ed..939260aeac9 100644
--- a/arch/ia64/kernel/pci-swiotlb.c
+++ b/arch/ia64/kernel/pci-swiotlb.c
@@ -15,16 +15,24 @@ int swiotlb __read_mostly;
 EXPORT_SYMBOL(swiotlb);
 
 static void *ia64_swiotlb_alloc_coherent(struct device *dev, size_t size,
-					 dma_addr_t *dma_handle, gfp_t gfp)
+					 dma_addr_t *dma_handle, gfp_t gfp,
+					 struct dma_attrs *attrs)
 {
 	if (dev->coherent_dma_mask != DMA_BIT_MASK(64))
 		gfp |= GFP_DMA;
 	return swiotlb_alloc_coherent(dev, size, dma_handle, gfp);
 }
 
+static void ia64_swiotlb_free_coherent(struct device *dev, size_t size,
+				       void *vaddr, dma_addr_t dma_addr,
+				       struct dma_attrs *attrs)
+{
+	swiotlb_free_coherent(dev, size, vaddr, dma_addr);
+}
+
 struct dma_map_ops swiotlb_dma_ops = {
-	.alloc_coherent = ia64_swiotlb_alloc_coherent,
-	.free_coherent = swiotlb_free_coherent,
+	.alloc = ia64_swiotlb_alloc_coherent,
+	.free = ia64_swiotlb_free_coherent,
 	.map_page = swiotlb_map_page,
 	.unmap_page = swiotlb_unmap_page,
 	.map_sg = swiotlb_map_sg_attrs,
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index b2c65e034f5..9d0fd7d5bb8 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -49,7 +49,6 @@
 #include <asm/perfmon.h>
 #include <asm/processor.h>
 #include <asm/signal.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/delay.h>
 
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 6d33c5cc94f..ce74e143aea 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -38,6 +38,7 @@
 #include <asm/pgalloc.h>
 #include <asm/processor.h>
 #include <asm/sal.h>
+#include <asm/switch_to.h>
 #include <asm/tlbflush.h>
 #include <asm/uaccess.h>
 #include <asm/unwind.h>
@@ -330,9 +331,7 @@ cpu_idle (void)
 			normal_xtp();
 #endif
 		}
-		preempt_enable_no_resched();
-		schedule();
-		preempt_disable();
+		schedule_preempt_disabled();
 		check_pgt_cache();
 		if (cpu_is_offline(cpu))
 			play_dead();
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index dad91661ddf..4265ff64219 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -26,7 +26,6 @@
 #include <asm/processor.h>
 #include <asm/ptrace_offsets.h>
 #include <asm/rse.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/unwind.h>
 #ifdef CONFIG_PERFMON
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index cd57d7312de..aaefd9b94f2 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -59,7 +59,6 @@
 #include <asm/sections.h>
 #include <asm/setup.h>
 #include <asm/smp.h>
-#include <asm/system.h>
 #include <asm/tlbflush.h>
 #include <asm/unistd.h>
 #include <asm/hpsim.h>
@@ -486,7 +485,7 @@ mark_bsp_online (void)
 {
 #ifdef CONFIG_SMP
 	/* If we register an early console, allow CPU 0 to printk */
-	cpu_set(smp_processor_id(), cpu_online_map);
+	set_cpu_online(smp_processor_id(), true);
 #endif
 }
 
diff --git a/arch/ia64/kernel/smp.c b/arch/ia64/kernel/smp.c
index 0bd537b4ea6..9fcd4e63048 100644
--- a/arch/ia64/kernel/smp.c
+++ b/arch/ia64/kernel/smp.c
@@ -44,7 +44,6 @@
 #include <asm/processor.h>
 #include <asm/ptrace.h>
 #include <asm/sal.h>
-#include <asm/system.h>
 #include <asm/tlbflush.h>
 #include <asm/unistd.h>
 #include <asm/mca.h>
@@ -77,7 +76,7 @@ stop_this_cpu(void)
 	/*
 	 * Remove this CPU:
 	 */
-	cpu_clear(smp_processor_id(), cpu_online_map);
+	set_cpu_online(smp_processor_id(), false);
 	max_xtp();
 	local_irq_disable();
 	cpu_halt();
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 55909798667..796f6a5b966 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -55,7 +55,6 @@
 #include <asm/processor.h>
 #include <asm/ptrace.h>
 #include <asm/sal.h>
-#include <asm/system.h>
 #include <asm/tlbflush.h>
 #include <asm/unistd.h>
 #include <asm/sn/arch.h>
@@ -401,7 +400,7 @@ smp_callin (void)
 	/* Setup the per cpu irq handling data structures */
 	__setup_vector_irq(cpuid);
 	notify_cpu_starting(cpuid);
-	cpu_set(cpuid, cpu_online_map);
+	set_cpu_online(cpuid, true);
 	per_cpu(cpu_state, cpuid) = CPU_ONLINE;
 	spin_unlock(&vector_lock);
 	ipi_call_unlock_irq();
@@ -548,7 +547,7 @@ do_rest:
 	if (!cpu_isset(cpu, cpu_callin_map)) {
 		printk(KERN_ERR "Processor 0x%x/0x%x is stuck.\n", cpu, sapicid);
 		ia64_cpu_to_sapicid[cpu] = -1;
-		cpu_clear(cpu, cpu_online_map);  /* was set in smp_callin() */
+		set_cpu_online(cpu, false);  /* was set in smp_callin() */
 		return -EINVAL;
 	}
 	return 0;
@@ -578,8 +577,7 @@ smp_build_cpu_map (void)
 	}
 
 	ia64_cpu_to_sapicid[0] = boot_cpu_id;
-	cpus_clear(cpu_present_map);
-	set_cpu_present(0, true);
+	init_cpu_present(cpumask_of(0));
 	set_cpu_possible(0, true);
 	for (cpu = 1, i = 0; i < smp_boot_data.cpu_count; i++) {
 		sapicid = smp_boot_data.cpu_phys_id[i];
@@ -606,10 +604,6 @@ smp_prepare_cpus (unsigned int max_cpus)
 
 	smp_setup_percpu_timer();
 
-	/*
-	 * We have the boot CPU online for sure.
-	 */
-	cpu_set(0, cpu_online_map);
 	cpu_set(0, cpu_callin_map);
 
 	local_cpu_data->loops_per_jiffy = loops_per_jiffy;
@@ -633,7 +627,7 @@ smp_prepare_cpus (unsigned int max_cpus)
 
 void __devinit smp_prepare_boot_cpu(void)
 {
-	cpu_set(smp_processor_id(), cpu_online_map);
+	set_cpu_online(smp_processor_id(), true);
 	cpu_set(smp_processor_id(), cpu_callin_map);
 	set_numa_node(cpu_to_node_map[smp_processor_id()]);
 	per_cpu(cpu_state, smp_processor_id()) = CPU_ONLINE;
@@ -690,7 +684,7 @@ int migrate_platform_irqs(unsigned int cpu)
 			/*
 			 * Now re-target the CPEI to a different processor
 			 */
-			new_cpei_cpu = any_online_cpu(cpu_online_map);
+			new_cpei_cpu = cpumask_any(cpu_online_mask);
 			mask = cpumask_of(new_cpei_cpu);
 			set_cpei_target_cpu(new_cpei_cpu);
 			data = irq_get_irq_data(ia64_cpe_irq);
@@ -732,10 +726,10 @@ int __cpu_disable(void)
 			return -EBUSY;
 	}
 
-	cpu_clear(cpu, cpu_online_map);
+	set_cpu_online(cpu, false);
 
 	if (migrate_platform_irqs(cpu)) {
-		cpu_set(cpu, cpu_online_map);
+		set_cpu_online(cpu, true);
 		return -EBUSY;
 	}
 
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 43920de425f..ecc904b33c5 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -29,15 +29,12 @@
 #include <asm/ptrace.h>
 #include <asm/sal.h>
 #include <asm/sections.h>
-#include <asm/system.h>
 
 #include "fsyscall_gtod_data.h"
 
 static cycle_t itc_get_cycles(struct clocksource *cs);
 
-struct fsyscall_gtod_data_t fsyscall_gtod_data = {
-	.lock = __SEQLOCK_UNLOCKED(fsyscall_gtod_data.lock),
-};
+struct fsyscall_gtod_data_t fsyscall_gtod_data;
 
 struct itc_jitter_data_t itc_jitter_data;
 
@@ -460,9 +457,7 @@ void update_vsyscall_tz(void)
 void update_vsyscall(struct timespec *wall, struct timespec *wtm,
 			struct clocksource *c, u32 mult)
 {
-        unsigned long flags;
-
-        write_seqlock_irqsave(&fsyscall_gtod_data.lock, flags);
+	write_seqcount_begin(&fsyscall_gtod_data.seq);
 
         /* copy fsyscall clock data */
         fsyscall_gtod_data.clk_mask = c->mask;
@@ -485,6 +480,6 @@ void update_vsyscall(struct timespec *wall, struct timespec *wtm,
 		fsyscall_gtod_data.monotonic_time.tv_sec++;
 	}
 
-        write_sequnlock_irqrestore(&fsyscall_gtod_data.lock, flags);
+	write_seqcount_end(&fsyscall_gtod_data.seq);
 }
 
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index 9deb21dbf62..c64460b9c70 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -220,7 +220,8 @@ static ssize_t show_shared_cpu_map(struct cache_info *this_leaf, char *buf)
 	ssize_t	len;
 	cpumask_t shared_cpu_map;
 
-	cpus_and(shared_cpu_map, this_leaf->shared_cpu_map, cpu_online_map);
+	cpumask_and(&shared_cpu_map,
+				&this_leaf->shared_cpu_map, cpu_online_mask);
 	len = cpumask_scnprintf(buf, NR_CPUS+1, &shared_cpu_map);
 	len += sprintf(buf+len, "\n");
 	return len;
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index fd80e70018a..bd42b76000d 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -22,6 +22,7 @@
 #include <asm/intrinsics.h>
 #include <asm/processor.h>
 #include <asm/uaccess.h>
+#include <asm/setup.h>
 
 fpswa_interface_t *fpswa_interface;
 EXPORT_SYMBOL(fpswa_interface);
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index 6a867dc45c0..a96bcf83a73 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -23,7 +23,6 @@
 #include <linux/gfp.h>
 #include <asm/page.h>
 #include <asm/pal.h>
-#include <asm/system.h>
 #include <asm/pgtable.h>
 #include <linux/atomic.h>
 #include <asm/tlbflush.h>
diff --git a/arch/ia64/kernel/unwind.c b/arch/ia64/kernel/unwind.c
index fed6afa2e8a..8f66195999e 100644
--- a/arch/ia64/kernel/unwind.c
+++ b/arch/ia64/kernel/unwind.c
@@ -41,7 +41,6 @@
 #include <asm/ptrace_offsets.h>
 #include <asm/rse.h>
 #include <asm/sections.h>
-#include <asm/system.h>
 #include <asm/uaccess.h>
 
 #include "entry.h"
diff --git a/arch/ia64/kernel/vmlinux.lds.S b/arch/ia64/kernel/vmlinux.lds.S
index 53c0ba004e9..0ccb28fab27 100644
--- a/arch/ia64/kernel/vmlinux.lds.S
+++ b/arch/ia64/kernel/vmlinux.lds.S
@@ -1,7 +1,6 @@
 
 #include <asm/cache.h>
 #include <asm/ptrace.h>
-#include <asm/system.h>
 #include <asm/pgtable.h>
 
 #include <asm-generic/vmlinux.lds.h>