33 files changed, 89 insertions, 93 deletions

diff --git a/arch/alpha/kernel/head.S b/arch/alpha/kernel/head.S
index e27d23c74ba8..7ac1f1372c36 100644
--- a/arch/alpha/kernel/head.S
+++ b/arch/alpha/kernel/head.S
@@ -10,6 +10,7 @@
 #include <asm/system.h>
 #include <asm/asm-offsets.h>
 
+.section .text.head, "ax"
 .globl swapper_pg_dir
 .globl _stext
 swapper_pg_dir=SWAPPER_PGD
diff --git a/arch/alpha/kernel/pci.c b/arch/alpha/kernel/pci.c
index ab642a4f08de..9dc1cee43265 100644
--- a/arch/alpha/kernel/pci.c
+++ b/arch/alpha/kernel/pci.c
@@ -195,7 +195,7 @@ pcibios_init(void)
 
 subsys_initcall(pcibios_init);
 
-char * __init
+char * __devinit
 pcibios_setup(char *str)
 {
         return str;
@@ -204,7 +204,7 @@ pcibios_setup(char *str)
 #ifdef ALPHA_RESTORE_SRM_SETUP
 static struct pdev_srm_saved_conf *srm_saved_configs;
 
-void __init
+void __devinit
 pdev_save_srm_config(struct pci_dev *dev)
 {
         struct pdev_srm_saved_conf *tmp;
@@ -247,14 +247,14 @@ pci_restore_srm_config(void)
 }
 #endif
 
-void __init
+void __devinit
 pcibios_fixup_resource(struct resource *res, struct resource *root)
 {
         res->start += root->start;
         res->end += root->start;
 }
 
-void __init
+void __devinit
 pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus)
 {
         /* Update device resources.  */
@@ -273,7 +273,7 @@ pcibios_fixup_device_resources(struct pci_dev *dev, struct pci_bus *bus)
         }
 }
 
-void __init
+void __devinit
 pcibios_fixup_bus(struct pci_bus *bus)
 {
         /* Propagate hose info into the subordinate devices.  */
diff --git a/arch/alpha/kernel/pci_iommu.c b/arch/alpha/kernel/pci_iommu.c
index 6b07f89a72c7..e1c470752ebc 100644
--- a/arch/alpha/kernel/pci_iommu.c
+++ b/arch/alpha/kernel/pci_iommu.c
@@ -58,7 +58,7 @@ size_for_memory(unsigned long max)
         return max;
 }
 
-struct pci_iommu_arena *
+struct pci_iommu_arena * __init
 iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
                      unsigned long window_size, unsigned long align)
 {
@@ -117,7 +117,7 @@ iommu_arena_new_node(int nid, struct pci_controller *hose, dma_addr_t base,
         return arena;
 }
 
-struct pci_iommu_arena *
+struct pci_iommu_arena * __init
 iommu_arena_new(struct pci_controller *hose, dma_addr_t base,
                 unsigned long window_size, unsigned long align)
 {
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index b28731437c31..0804b6abe203 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -358,7 +358,7 @@ secondary_cpu_start(int cpuid, struct task_struct *idle)
 /*
  * Bring one cpu online.
  */
-static int __devinit
+static int __cpuinit
 smp_boot_one_cpu(int cpuid)
 {
         struct task_struct *idle;
@@ -487,7 +487,7 @@ smp_prepare_boot_cpu(void)
 {
 }
 
-int __devinit
+int __cpuinit
 __cpu_up(unsigned int cpu)
 {
         smp_boot_one_cpu(cpu);
@@ -541,7 +541,7 @@ smp_percpu_timer_interrupt(struct pt_regs *regs)
         set_irq_regs(old_regs);
 }
 
-int __init
+int
 setup_profiling_timer(unsigned int multiplier)
 {
         return -EINVAL;
diff --git a/arch/alpha/kernel/vmlinux.lds.S b/arch/alpha/kernel/vmlinux.lds.S
index fe13daa5cb2c..7af07d3ad5f0 100644
--- a/arch/alpha/kernel/vmlinux.lds.S
+++ b/arch/alpha/kernel/vmlinux.lds.S
@@ -15,6 +15,7 @@ SECTIONS
 
   _text = .;                                    /* Text and read-only data */
   .text : { 
+        *(.text.head)
         TEXT_TEXT
         SCHED_TEXT
         LOCK_TEXT
diff --git a/arch/i386/kernel/alternative.c b/arch/i386/kernel/alternative.c
index c3750c2c4113..c85598acb8fd 100644
--- a/arch/i386/kernel/alternative.c
+++ b/arch/i386/kernel/alternative.c
@@ -430,22 +430,12 @@ void __init alternative_instructions(void)
  * And on the local CPU you need to be protected again NMI or MCE handlers
  * seeing an inconsistent instruction while you patch.
  */
-void __kprobes text_poke(void *oaddr, unsigned char *opcode, int len)
+void __kprobes text_poke(void *addr, unsigned char *opcode, int len)
 {
-        u8 *addr = oaddr;
-        if (!pte_write(*lookup_address((unsigned long)addr))) {
-                struct page *p[2] = { virt_to_page(addr), virt_to_page(addr+PAGE_SIZE) };
-                addr = vmap(p, 2, VM_MAP, PAGE_KERNEL);
-                if (!addr)
-                        return;
-                addr += ((unsigned long)oaddr) % PAGE_SIZE;
-        }
         memcpy(addr, opcode, len);
         sync_core();
         /* Not strictly needed, but can speed CPU recovery up. Ignore cross cacheline
            case. */
         if (cpu_has_clflush)
-                asm("clflush (%0) " :: "r" (oaddr) : "memory");
-        if (addr != oaddr)
-                vunmap(addr);
+                asm("clflush (%0) " :: "r" (addr) : "memory");
 }
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig
index 094118ba00da..d8c6f132dc7a 100644
--- a/arch/i386/kernel/cpu/cpufreq/Kconfig
+++ b/arch/i386/kernel/cpu/cpufreq/Kconfig
@@ -92,7 +92,7 @@ config X86_POWERNOW_K8
 config X86_POWERNOW_K8_ACPI
         bool "ACPI Support"
         select ACPI_PROCESSOR
-        depends on X86_POWERNOW_K8
+        depends on ACPI && X86_POWERNOW_K8
         default y
         help
           This provides access to the K8s Processor Performance States via ACPI.
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index 1b1a1e66d099..4c4809f13cb1 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -800,9 +800,17 @@ void mark_rodata_ro(void)
         unsigned long start = PFN_ALIGN(_text);
         unsigned long size = PFN_ALIGN(_etext) - start;
 
-        change_page_attr(virt_to_page(start),
-                         size >> PAGE_SHIFT, PAGE_KERNEL_RX);
-        printk("Write protecting the kernel text: %luk\n", size >> 10);
+#ifndef CONFIG_KPROBES
+#ifdef CONFIG_HOTPLUG_CPU
+        /* It must still be possible to apply SMP alternatives. */
+        if (num_possible_cpus() <= 1)
+#endif
+        {
+                change_page_attr(virt_to_page(start),
+                                 size >> PAGE_SHIFT, PAGE_KERNEL_RX);
+                printk("Write protecting the kernel text: %luk\n", size >> 10);
+        }
+#endif
         start += size;
         size = (unsigned long)__end_rodata - start;
         change_page_attr(virt_to_page(start),
diff --git a/arch/ia64/kernel/cyclone.c b/arch/ia64/kernel/cyclone.c
index 2fd96d9062a1..790ef0d87e12 100644
--- a/arch/ia64/kernel/cyclone.c
+++ b/arch/ia64/kernel/cyclone.c
@@ -38,11 +38,11 @@ static struct clocksource clocksource_cyclone = {
 
 int __init init_cyclone_clock(void)
 {
-        u64* reg;
+        u64 __iomem *reg;
         u64 base;       /* saved cyclone base address */
         u64 offset;     /* offset from pageaddr to cyclone_timer register */
         int i;
-        u32* volatile cyclone_timer;    /* Cyclone MPMC0 register */
+        u32 __iomem *cyclone_timer;     /* Cyclone MPMC0 register */
 
         if (!use_cyclone)
                 return 0;
@@ -51,7 +51,7 @@ int __init init_cyclone_clock(void)
 
         /* find base address */
         offset = (CYCLONE_CBAR_ADDR);
-        reg = (u64*)ioremap_nocache(offset, sizeof(u64));
+        reg = ioremap_nocache(offset, sizeof(u64));
         if(!reg){
                 printk(KERN_ERR "Summit chipset: Could not find valid CBAR"
                                 " register.\n");
@@ -69,7 +69,7 @@ int __init init_cyclone_clock(void)
 
         /* setup PMCC */
         offset = (base + CYCLONE_PMCC_OFFSET);
-        reg = (u64*)ioremap_nocache(offset, sizeof(u64));
+        reg = ioremap_nocache(offset, sizeof(u64));
         if(!reg){
                 printk(KERN_ERR "Summit chipset: Could not find valid PMCC"
                                 " register.\n");
@@ -81,7 +81,7 @@ int __init init_cyclone_clock(void)
 
         /* setup MPCS */
         offset = (base + CYCLONE_MPCS_OFFSET);
-        reg = (u64*)ioremap_nocache(offset, sizeof(u64));
+        reg = ioremap_nocache(offset, sizeof(u64));
         if(!reg){
                 printk(KERN_ERR "Summit chipset: Could not find valid MPCS"
                                 " register.\n");
@@ -93,7 +93,7 @@ int __init init_cyclone_clock(void)
 
         /* map in cyclone_timer */
         offset = (base + CYCLONE_MPMC_OFFSET);
-        cyclone_timer = (u32*)ioremap_nocache(offset, sizeof(u32));
+        cyclone_timer = ioremap_nocache(offset, sizeof(u32));
         if(!cyclone_timer){
                 printk(KERN_ERR "Summit chipset: Could not find valid MPMC"
                                 " register.\n");
@@ -110,7 +110,7 @@ int __init init_cyclone_clock(void)
                         printk(KERN_ERR "Summit chipset: Counter not counting!"
                                         " DISABLED\n");
                         iounmap(cyclone_timer);
-                        cyclone_timer = 0;
+                        cyclone_timer = NULL;
                         use_cyclone = 0;
                         return -ENODEV;
                 }
diff --git a/arch/ia64/kernel/time.c b/arch/ia64/kernel/time.c
index 627785c48ea9..6c0e9e2e1b82 100644
--- a/arch/ia64/kernel/time.c
+++ b/arch/ia64/kernel/time.c
@@ -52,7 +52,7 @@ static struct clocksource clocksource_itc = {
         .name           = "itc",
         .rating         = 350,
         .read           = itc_get_cycles,
-        .mask           = 0xffffffffffffffff,
+        .mask           = CLOCKSOURCE_MASK(64),
         .mult           = 0, /*to be caluclated*/
         .shift          = 16,
         .flags          = CLOCK_SOURCE_IS_CONTINUOUS,
@@ -255,7 +255,7 @@ ia64_init_itm (void)
         }
 }
 
-static cycle_t itc_get_cycles()
+static cycle_t itc_get_cycles(void)
 {
         u64 lcycle, now, ret;
 
diff --git a/arch/m32r/kernel/setup_mappi.c b/arch/m32r/kernel/setup_mappi.c
index 6b2d77da0683..fe73c9ec611f 100644
--- a/arch/m32r/kernel/setup_mappi.c
+++ b/arch/m32r/kernel/setup_mappi.c
@@ -45,7 +45,8 @@ static void mask_and_ack_mappi(unsigned int irq)
 
 static void end_mappi_irq(unsigned int irq)
 {
-        enable_mappi_irq(irq);
+        if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
+                enable_mappi_irq(irq);
 }
 
 static unsigned int startup_mappi_irq(unsigned int irq)
@@ -88,7 +89,7 @@ void __init init_IRQ(void)
         irq_desc[M32R_IRQ_INT0].chip = &mappi_irq_type;
         irq_desc[M32R_IRQ_INT0].action = NULL;
         irq_desc[M32R_IRQ_INT0].depth = 1;
-        icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD10;
+        icu_data[M32R_IRQ_INT0].icucr = M32R_ICUCR_IEN|M32R_ICUCR_ISMOD11;
         disable_mappi_irq(M32R_IRQ_INT0);
 #endif /* CONFIG_M32R_NE2000 */
 
diff --git a/arch/m68knommu/kernel/setup.c b/arch/m68knommu/kernel/setup.c
index a5ac0d40fbec..3f86ade3a22a 100644
--- a/arch/m68knommu/kernel/setup.c
+++ b/arch/m68knommu/kernel/setup.c
@@ -42,8 +42,6 @@ EXPORT_SYMBOL(memory_end);
 
 char __initdata command_line[COMMAND_LINE_SIZE];
 
-void (*mach_trap_init)(void);
-
 /* machine dependent timer functions */
 void (*mach_sched_init)(irq_handler_t handler);
 void (*mach_tick)(void);
diff --git a/arch/m68knommu/platform/5206/config.c b/arch/m68knommu/platform/5206/config.c
index d265ed4e5afc..d0f2dc5cb5a1 100644
--- a/arch/m68knommu/platform/5206/config.c
+++ b/arch/m68knommu/platform/5206/config.c
@@ -28,7 +28,6 @@
 void coldfire_tick(void);
 void coldfire_timer_init(irq_handler_t handler);
 unsigned long coldfire_timer_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 /***************************************************************************/
@@ -101,7 +100,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_timer_init;
         mach_tick = coldfire_tick;
         mach_gettimeoffset = coldfire_timer_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/5206e/config.c b/arch/m68knommu/platform/5206e/config.c
index 7fa5e8254c31..4ab614f1ecda 100644
--- a/arch/m68knommu/platform/5206e/config.c
+++ b/arch/m68knommu/platform/5206e/config.c
@@ -27,7 +27,6 @@
 void coldfire_tick(void);
 void coldfire_timer_init(irq_handler_t handler);
 unsigned long coldfire_timer_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 /***************************************************************************/
@@ -107,7 +106,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_timer_init;
         mach_tick = coldfire_tick;
         mach_gettimeoffset = coldfire_timer_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/520x/config.c b/arch/m68knommu/platform/520x/config.c
index 85830f9882f3..a2c95bebd004 100644
--- a/arch/m68knommu/platform/520x/config.c
+++ b/arch/m68knommu/platform/520x/config.c
@@ -30,7 +30,6 @@ unsigned int dma_device_address[MAX_M68K_DMA_CHANNELS];
 void coldfire_pit_tick(void);
 void coldfire_pit_init(irq_handler_t handler);
 unsigned long coldfire_pit_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 /***************************************************************************/
@@ -51,7 +50,6 @@ void config_BSP(char *commandp, int size)
     mach_sched_init = coldfire_pit_init;
     mach_tick = coldfire_pit_tick;
     mach_gettimeoffset = coldfire_pit_offset;
-    mach_trap_init = coldfire_trap_init;
     mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/523x/config.c b/arch/m68knommu/platform/523x/config.c
index c0157e110035..0a3af05a434b 100644
--- a/arch/m68knommu/platform/523x/config.c
+++ b/arch/m68knommu/platform/523x/config.c
@@ -29,7 +29,6 @@
 void coldfire_pit_tick(void);
 void coldfire_pit_init(irq_handler_t handler);
 unsigned long coldfire_pit_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 /***************************************************************************/
@@ -66,7 +65,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_pit_init;
         mach_tick = coldfire_pit_tick;
         mach_gettimeoffset = coldfire_pit_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/5249/config.c b/arch/m68knommu/platform/5249/config.c
index 4cdeb719512d..dc2c362590c2 100644
--- a/arch/m68knommu/platform/5249/config.c
+++ b/arch/m68knommu/platform/5249/config.c
@@ -27,7 +27,6 @@
 void coldfire_tick(void);
 void coldfire_timer_init(irq_handler_t handler);
 unsigned long coldfire_timer_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 /***************************************************************************/
@@ -99,7 +98,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_timer_init;
         mach_tick = coldfire_tick;
         mach_gettimeoffset = coldfire_timer_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/5272/config.c b/arch/m68knommu/platform/5272/config.c
index 609b10e4b9b9..1365a8300d5d 100644
--- a/arch/m68knommu/platform/5272/config.c
+++ b/arch/m68knommu/platform/5272/config.c
@@ -28,7 +28,6 @@
 void coldfire_tick(void);
 void coldfire_timer_init(irq_handler_t handler);
 unsigned long coldfire_timer_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 extern unsigned int mcf_timervector;
@@ -132,7 +131,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_timer_init;
         mach_tick = coldfire_tick;
         mach_gettimeoffset = coldfire_timer_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/527x/config.c b/arch/m68knommu/platform/527x/config.c
index 126dac066482..1b820441419a 100644
--- a/arch/m68knommu/platform/527x/config.c
+++ b/arch/m68knommu/platform/527x/config.c
@@ -29,7 +29,6 @@
 void coldfire_pit_tick(void);
 void coldfire_pit_init(irq_handler_t handler);
 unsigned long coldfire_pit_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 /***************************************************************************/
@@ -66,7 +65,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_pit_init;
         mach_tick = coldfire_pit_tick;
         mach_gettimeoffset = coldfire_pit_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/528x/config.c b/arch/m68knommu/platform/528x/config.c
index aab1ef0c1f78..a089e9513699 100644
--- a/arch/m68knommu/platform/528x/config.c
+++ b/arch/m68knommu/platform/528x/config.c
@@ -29,7 +29,6 @@
 void coldfire_pit_tick(void);
 void coldfire_pit_init(irq_handler_t handler);
 unsigned long coldfire_pit_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 /***************************************************************************/
@@ -66,7 +65,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_pit_init;
         mach_tick = coldfire_pit_tick;
         mach_gettimeoffset = coldfire_pit_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/5307/config.c b/arch/m68knommu/platform/5307/config.c
index 1f10e941b87c..e3461619fd65 100644
--- a/arch/m68knommu/platform/5307/config.c
+++ b/arch/m68knommu/platform/5307/config.c
@@ -29,7 +29,6 @@
 void coldfire_tick(void);
 void coldfire_timer_init(irq_handler_t handler);
 unsigned long coldfire_timer_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 extern unsigned int mcf_timervector;
@@ -126,7 +125,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_timer_init;
         mach_tick = coldfire_tick;
         mach_gettimeoffset = coldfire_timer_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 
 #ifdef MCF_BDM_DISABLE
diff --git a/arch/m68knommu/platform/5307/pit.c b/arch/m68knommu/platform/5307/pit.c
index aa15beeb36ca..e53c446d10e4 100644
--- a/arch/m68knommu/platform/5307/pit.c
+++ b/arch/m68knommu/platform/5307/pit.c
@@ -5,9 +5,8 @@
  *               hardware timer only exists in the Freescale ColdFire
  *               5270/5271, 5282 and other CPUs.
  *
- *      Copyright (C) 1999-2006, Greg Ungerer (gerg@snapgear.com)
+ *      Copyright (C) 1999-2007, Greg Ungerer (gerg@snapgear.com)
  *      Copyright (C) 2001-2004, SnapGear Inc. (www.snapgear.com)
- *
  */
 
 /***************************************************************************/
@@ -17,8 +16,8 @@
 #include <linux/param.h>
 #include <linux/init.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/coldfire.h>
 #include <asm/mcfpit.h>
 #include <asm/mcfsim.h>
@@ -43,13 +42,18 @@ void coldfire_pit_tick(void)
 
 /***************************************************************************/
 
+static struct irqaction coldfire_pit_irq = {
+        .name    = "timer",
+        .flags   = IRQF_DISABLED | IRQF_TIMER,
+};
+
 void coldfire_pit_init(irq_handler_t handler)
 {
         volatile unsigned char *icrp;
         volatile unsigned long *imrp;
 
-        request_irq(MCFINT_VECBASE + MCFINT_PIT1, handler, IRQF_DISABLED,
-                "ColdFire Timer", NULL);
+        coldfire_pit_irq.handler = handler;
+        setup_irq(MCFINT_VECBASE + MCFINT_PIT1, &coldfire_pit_irq);
 
         icrp = (volatile unsigned char *) (MCF_IPSBAR + MCFICM_INTC0 +
                 MCFINTC_ICR0 + MCFINT_PIT1);
diff --git a/arch/m68knommu/platform/5307/timers.c b/arch/m68knommu/platform/5307/timers.c
index fb66eadd5896..64bd0ff9029e 100644
--- a/arch/m68knommu/platform/5307/timers.c
+++ b/arch/m68knommu/platform/5307/timers.c
@@ -3,7 +3,7 @@
 /*
  *      timers.c -- generic ColdFire hardware timer support.
  *
- *      Copyright (C) 1999-2006, Greg Ungerer (gerg@snapgear.com)
+ *      Copyright (C) 1999-2007, Greg Ungerer (gerg@snapgear.com)
  */
 
 /***************************************************************************/
@@ -13,8 +13,8 @@
 #include <linux/param.h>
 #include <linux/interrupt.h>
 #include <linux/init.h>
+#include <linux/irq.h>
 #include <asm/io.h>
-#include <asm/irq.h>
 #include <asm/traps.h>
 #include <asm/machdep.h>
 #include <asm/coldfire.h>
@@ -62,17 +62,24 @@ void coldfire_tick(void)
 
 /***************************************************************************/
 
+static struct irqaction coldfire_timer_irq = {
+        .name    = "timer",
+        .flags   = IRQF_DISABLED | IRQF_TIMER,
+};
+
 static int ticks_per_intr;
 
 void coldfire_timer_init(irq_handler_t handler)
 {
+        coldfire_timer_irq.handler = handler;
+        setup_irq(mcf_timervector, &coldfire_timer_irq);
+
         __raw_writew(MCFTIMER_TMR_DISABLE, TA(MCFTIMER_TMR));
         ticks_per_intr = (MCF_BUSCLK / 16) / HZ;
         __raw_writetrr(ticks_per_intr - 1, TA(MCFTIMER_TRR));
         __raw_writew(MCFTIMER_TMR_ENORI | MCFTIMER_TMR_CLK16 |
                 MCFTIMER_TMR_RESTART | MCFTIMER_TMR_ENABLE, TA(MCFTIMER_TMR));
 
-        request_irq(mcf_timervector, handler, IRQF_DISABLED, "timer", NULL);
         mcf_settimericr(1, mcf_timerlevel);
 
 #ifdef CONFIG_HIGHPROFILE
diff --git a/arch/m68knommu/platform/532x/config.c b/arch/m68knommu/platform/532x/config.c
index dc39c466e33f..b32c6425f821 100644
--- a/arch/m68knommu/platform/532x/config.c
+++ b/arch/m68knommu/platform/532x/config.c
@@ -37,7 +37,6 @@
 void coldfire_tick(void);
 void coldfire_timer_init(irq_handler_t handler);
 unsigned long coldfire_timer_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 extern unsigned int mcf_timervector;
@@ -108,7 +107,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_timer_init;
         mach_tick = coldfire_tick;
         mach_gettimeoffset = coldfire_timer_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 
 #ifdef MCF_BDM_DISABLE
diff --git a/arch/m68knommu/platform/5407/config.c b/arch/m68knommu/platform/5407/config.c
index fde417fdd650..e692536817d8 100644
--- a/arch/m68knommu/platform/5407/config.c
+++ b/arch/m68knommu/platform/5407/config.c
@@ -28,7 +28,6 @@
 void coldfire_tick(void);
 void coldfire_timer_init(irq_handler_t handler);
 unsigned long coldfire_timer_offset(void);
-void coldfire_trap_init(void);
 void coldfire_reset(void);
 
 extern unsigned int mcf_timervector;
@@ -112,7 +111,6 @@ void config_BSP(char *commandp, int size)
         mach_sched_init = coldfire_timer_init;
         mach_tick = coldfire_tick;
         mach_gettimeoffset = coldfire_timer_offset;
-        mach_trap_init = coldfire_trap_init;
         mach_reset = coldfire_reset;
 }
 
diff --git a/arch/m68knommu/platform/68328/timers.c b/arch/m68knommu/platform/68328/timers.c
index ef067f4c3cd4..0396476f955d 100644
--- a/arch/m68knommu/platform/68328/timers.c
+++ b/arch/m68knommu/platform/68328/timers.c
@@ -18,10 +18,10 @@
 #include <linux/kernel.h>
 #include <linux/mm.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 #include <asm/setup.h>
 #include <asm/system.h>
 #include <asm/pgtable.h>
-#include <asm/irq.h>
 #include <asm/machdep.h>
 #include <asm/MC68VZ328.h>
 
@@ -53,14 +53,19 @@
 
 /***************************************************************************/
 
+static struct irqaction m68328_timer_irq = {
+        .name    = "timer",
+        .flags   = IRQF_DISABLED | IRQF_TIMER,
+};
+
 void m68328_timer_init(irq_handler_t timer_routine)
 {
         /* disable timer 1 */
         TCTL = 0;
 
         /* set ISR */
-        if (request_irq(TMR_IRQ_NUM, timer_routine, IRQ_FLG_LOCK, "timer", NULL)) 
-                panic("Unable to attach timer interrupt\n");
+        m68328_timer_irq.handler = timer_routine;
+        setup_irq(TMR_IRQ_NUM, &m68328_timer_irq);
 
         /* Restart mode, Enable int, Set clock source */
         TCTL = TCTL_OM | TCTL_IRQEN | CLOCK_SOURCE;
diff --git a/arch/m68knommu/platform/68360/config.c b/arch/m68knommu/platform/68360/config.c
index 4ff13bd51ffd..155b72fe2607 100644
--- a/arch/m68knommu/platform/68360/config.c
+++ b/arch/m68knommu/platform/68360/config.c
@@ -17,11 +17,11 @@
 #include <linux/tty.h>
 #include <linux/console.h>
 #include <linux/interrupt.h>
+#include <linux/irq.h>
 
 #include <asm/setup.h>
 #include <asm/system.h>
 #include <asm/pgtable.h>
-#include <asm/irq.h>
 #include <asm/machdep.h>
 #include <asm/m68360.h>
 
@@ -51,11 +51,15 @@ extern unsigned long int system_clock; //In kernel setup.c
 
 extern void config_M68360_irq(void);
 
+static struct irqaction m68360_timer_irq = {
+        .name    = "timer",
+        .flags   = IRQF_DISABLED | IRQF_TIMER,
+};
+
 void BSP_sched_init(irq_handler_t timer_routine)
 {
   unsigned char prescaler;
   unsigned short tgcr_save;
-  int return_value;
 
 #if 0
   /* Restart mode, Enable int, 32KHz, Enable timer */
@@ -86,10 +90,8 @@ void BSP_sched_init(irq_handler_t timer_routine)
   pquicc->timer_ter1 = 0x0003; /* clear timer events */
 
   /* enable timer 1 interrupt in CIMR */
-//  request_irq(IRQ_MACHSPEC | CPMVEC_TIMER1, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
-  //return_value = request_irq( CPMVEC_TIMER1, timer_routine, IRQ_FLG_LOCK, "timer", NULL);
-  return_value = request_irq(CPMVEC_TIMER1 , timer_routine, IRQ_FLG_LOCK,
-          "Timer", NULL);
+  m68360_timer_irq.handler = timer_routine;
+  setup_irq(CPMVEC_TIMER1, &m68360_timer_irq);
 
   /* Start timer 1: */
   tgcr_save = (pquicc->timer_tgcr & 0xfff0) | 0x0001;
diff --git a/arch/sparc64/kernel/viohs.c b/arch/sparc64/kernel/viohs.c
index 09126fc338ba..708fa1705fbe 100644
--- a/arch/sparc64/kernel/viohs.c
+++ b/arch/sparc64/kernel/viohs.c
@@ -702,7 +702,7 @@ u32 vio_send_sid(struct vio_driver_state *vio)
 }
 EXPORT_SYMBOL(vio_send_sid);
 
-extern int vio_ldc_alloc(struct vio_driver_state *vio,
+int vio_ldc_alloc(struct vio_driver_state *vio,
                          struct ldc_channel_config *base_cfg,
                          void *event_arg)
 {
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index b70f3e7cf06c..dffd2ac72747 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -41,8 +41,9 @@ int sysctl_vsyscall32 = 1;
 #undef ARCH_DLINFO
 #define ARCH_DLINFO do {  \
         if (sysctl_vsyscall32) { \
-        NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \
-        NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE);    \
+                current->mm->context.vdso = (void *)VSYSCALL32_BASE;    \
+                NEW_AUX_ENT(AT_SYSINFO, (u32)(u64)VSYSCALL32_VSYSCALL); \
+                NEW_AUX_ENT(AT_SYSINFO_EHDR, VSYSCALL32_BASE);    \
         }       \
 } while(0)
 
diff --git a/arch/x86_64/ia32/syscall32.c b/arch/x86_64/ia32/syscall32.c
index fc4419ff0355..15013bac181c 100644
--- a/arch/x86_64/ia32/syscall32.c
+++ b/arch/x86_64/ia32/syscall32.c
@@ -49,14 +49,6 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
         return ret;
 }
 
-const char *arch_vma_name(struct vm_area_struct *vma)
-{
-        if (vma->vm_start == VSYSCALL32_BASE &&
-            vma->vm_mm && vma->vm_mm->task_size == IA32_PAGE_OFFSET)
-                return "[vdso]";
-        return NULL;
-}
-
 static int __init init_syscall32(void)
 { 
         char *syscall32_page = (void *)get_zeroed_page(GFP_KERNEL);
diff --git a/arch/x86_64/kernel/tce.c b/arch/x86_64/kernel/tce.c
index 3aeae2fa2e24..821527e7faa3 100644
--- a/arch/x86_64/kernel/tce.c
+++ b/arch/x86_64/kernel/tce.c
@@ -165,7 +165,7 @@ done:
         return ret;
 }
 
-void* alloc_tce_table(void)
+void * __init alloc_tce_table(void)
 {
         unsigned int size;
 
@@ -175,7 +175,7 @@ void* alloc_tce_table(void)
         return __alloc_bootmem_low(size, size, 0);
 }
 
-void free_tce_table(void *tbl)
+void __init free_tce_table(void *tbl)
 {
         unsigned int size;
 
diff --git a/arch/x86_64/kernel/tsc.c b/arch/x86_64/kernel/tsc.c
index 9b76b03d0600..2a59bde663f2 100644
--- a/arch/x86_64/kernel/tsc.c
+++ b/arch/x86_64/kernel/tsc.c
@@ -118,8 +118,6 @@ core_initcall(cpufreq_tsc);
 
 #endif
 
-static int tsc_unstable = 0;
-
 /*
  * Make an educated guess if the TSC is trustworthy and synchronized
  * over all CPUs.
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 38f5d6368006..458893b376f8 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -600,6 +600,16 @@ void mark_rodata_ro(void)
 {
         unsigned long start = (unsigned long)_stext, end;
 
+#ifdef CONFIG_HOTPLUG_CPU
+        /* It must still be possible to apply SMP alternatives. */
+        if (num_possible_cpus() > 1)
+                start = (unsigned long)_etext;
+#endif
+
+#ifdef CONFIG_KPROBES
+        start = (unsigned long)__start_rodata;
+#endif
+        
         end = (unsigned long)__end_rodata;
         start = (start + PAGE_SIZE - 1) & PAGE_MASK;
         end &= PAGE_MASK;