138 files changed, 936 insertions, 545 deletions
diff --git a/arch/alpha/Kconfig b/arch/alpha/Kconfig
index 8290b69da202..213c7850d5fb 100644
--- a/arch/alpha/Kconfig
+++ b/arch/alpha/Kconfig
@@ -453,7 +453,7 @@ config ALPHA_IRONGATE
 config GENERIC_HWEIGHT
        bool
-        default y if !ALPHA_EV6 && !ALPHA_EV67
+        default y if !ALPHA_EV67
 config ALPHA_AVANTI
        bool
diff --git a/arch/alpha/kernel/alpha_ksyms.c b/arch/alpha/kernel/alpha_ksyms.c
index c645c5e14786..2b245ad731ee 100644
--- a/arch/alpha/kernel/alpha_ksyms.c
+++ b/arch/alpha/kernel/alpha_ksyms.c
@@ -182,7 +182,6 @@ EXPORT_SYMBOL(smp_num_cpus);
 EXPORT_SYMBOL(smp_call_function);
 EXPORT_SYMBOL(smp_call_function_on_cpu);
 EXPORT_SYMBOL(_atomic_dec_and_lock);
-EXPORT_SYMBOL(cpu_present_mask);
 #endif /* CONFIG_SMP */
 /*
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index 9924fd07743a..c760a831fd1a 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -94,7 +94,7 @@ common_shutdown_1(void *generic_ptr)
        if (cpuid != boot_cpuid) {
                flags |= 0x00040000UL; /* "remain halted" */
                *pflags = flags;
-                clear_bit(cpuid, &cpu_present_mask);
+                cpu_clear(cpuid, cpu_present_map);
                halt();
        }
 #endif
@@ -120,8 +120,8 @@ common_shutdown_1(void *generic_ptr)
 #ifdef CONFIG_SMP
        /* Wait for the secondaries to halt. */
-        cpu_clear(boot_cpuid, cpu_possible_map);
+        cpu_clear(boot_cpuid, cpu_present_map);
-        while (cpus_weight(cpu_possible_map))
+        while (cpus_weight(cpu_present_map))
                barrier();
 #endif
diff --git a/arch/alpha/kernel/smp.c b/arch/alpha/kernel/smp.c
index 185255416e85..4dc273e537fd 100644
--- a/arch/alpha/kernel/smp.c
+++ b/arch/alpha/kernel/smp.c
@@ -68,7 +68,6 @@ enum ipi_message_type {
 static int smp_secondary_alive __initdata = 0;
 /* Which cpus ids came online.  */
-cpumask_t cpu_present_mask;
 cpumask_t cpu_online_map;
 EXPORT_SYMBOL(cpu_online_map);
@@ -439,7 +438,7 @@ setup_smp(void)
                        if ((cpu->flags & 0x1cc) == 0x1cc) {
                                smp_num_probed++;
                                /* Assume here that "whami" == index */
-                                cpu_set(i, cpu_present_mask);
+                                cpu_set(i, cpu_present_map);
                                cpu->pal_revision = boot_cpu_palrev;
                        }
@@ -450,11 +449,10 @@ setup_smp(void)
                }
        } else {
                smp_num_probed = 1;
-                cpu_set(boot_cpuid, cpu_present_mask);
        }
-        printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_mask = %lx\n",
+        printk(KERN_INFO "SMP: %d CPUs probed -- cpu_present_map = %lx\n",
-               smp_num_probed, cpu_possible_map.bits[0]);
+               smp_num_probed, cpu_present_map.bits[0]);
 }
 /*
@@ -473,7 +471,7 @@ smp_prepare_cpus(unsigned int max_cpus)
        /* Nothing to do on a UP box, or when told not to.  */
        if (smp_num_probed == 1 || max_cpus == 0) {
-                cpu_present_mask = cpumask_of_cpu(boot_cpuid);
+                cpu_present_map = cpumask_of_cpu(boot_cpuid);
                printk(KERN_INFO "SMP mode deactivated.\n");
                return;
        }
@@ -486,10 +484,6 @@ smp_prepare_cpus(unsigned int max_cpus)
 void __devinit
 smp_prepare_boot_cpu(void)
 {
-        /*
-         * Mark the boot cpu (current cpu) as online
-         */ 
-        cpu_set(smp_processor_id(), cpu_online_map);
 }
 int __devinit
diff --git a/arch/alpha/kernel/sys_titan.c b/arch/alpha/kernel/sys_titan.c
index 5f84417eeb7b..2551fb49ae09 100644
--- a/arch/alpha/kernel/sys_titan.c
+++ b/arch/alpha/kernel/sys_titan.c
@@ -66,7 +66,7 @@ titan_update_irq_hw(unsigned long mask)
        register int bcpu = boot_cpuid;
 #ifdef CONFIG_SMP
-        cpumask_t cpm = cpu_present_mask;
+        cpumask_t cpm = cpu_present_map;
        volatile unsigned long *dim0, *dim1, *dim2, *dim3;
        unsigned long mask0, mask1, mask2, mask3, dummy;
diff --git a/arch/arm/Kconfig.debug b/arch/arm/Kconfig.debug
index 5d3acff8c596..d22f38b957db 100644
--- a/arch/arm/Kconfig.debug
+++ b/arch/arm/Kconfig.debug
@@ -101,7 +101,7 @@ config DEBUG_S3C2410_UART
        help
          Choice for UART for kernel low-level using S3C2410 UARTS,
          should be between zero and two. The port must have been
-          initalised by the boot-loader before use.
+          initialised by the boot-loader before use.
          The uncompressor code port configuration is now handled
          by CONFIG_S3C2410_LOWLEVEL_UART_PORT.
diff --git a/arch/arm/kernel/asm-offsets.c b/arch/arm/kernel/asm-offsets.c
index 45fdf4a51a2a..396efba9bacd 100644
--- a/arch/arm/kernel/asm-offsets.c
+++ b/arch/arm/kernel/asm-offsets.c
@@ -99,6 +99,8 @@ int main(void)
  DEFINE(MACHINFO_NAME,         offsetof(struct machine_desc, name));
  DEFINE(MACHINFO_PHYSIO,       offsetof(struct machine_desc, phys_io));
  DEFINE(MACHINFO_PGOFFIO,      offsetof(struct machine_desc, io_pg_offst));
+  BLANK();
+  DEFINE(PROC_INFO_SZ,          sizeof(struct proc_info_list));
  DEFINE(PROCINFO_INITFUNC,     offsetof(struct proc_info_list, __cpu_flush));
  DEFINE(PROCINFO_MMUFLAGS,     offsetof(struct proc_info_list, __cpu_mmu_flags));
  return 0; 
diff --git a/arch/arm/kernel/dma-isa.c b/arch/arm/kernel/dma-isa.c
index 03532769a97f..0a3e9ad297d8 100644
--- a/arch/arm/kernel/dma-isa.c
+++ b/arch/arm/kernel/dma-isa.c
@@ -143,12 +143,23 @@ static struct dma_ops isa_dma_ops = {
        .residue        = isa_get_dma_residue,
 };
-static struct resource dma_resources[] = {
+static struct resource dma_resources[] = { {
-        { "dma1",               0x0000, 0x000f },
+        .name   = "dma1",
-        { "dma low page",       0x0080, 0x008f },
+        .start  = 0x0000,
-        { "dma2",               0x00c0, 0x00df },
+        .end    = 0x000f
-        { "dma high page",      0x0480, 0x048f }
+}, {
-};
+        .name   = "dma low page",
+        .start  = 0x0080,
+        .end    = 0x008f
+}, {
+        .name   = "dma2",
+        .start  = 0x00c0,
+        .end    = 0x00df
+}, {
+        .name   = "dma high page",
+        .start  = 0x0480,
+        .end    = 0x048f
+} };
 void __init isa_init_dma(dma_t *dma)
 {
diff --git a/arch/arm/kernel/process.c b/arch/arm/kernel/process.c
index 1a1539e3a946..7df6e1aaa323 100644
--- a/arch/arm/kernel/process.c
+++ b/arch/arm/kernel/process.c
@@ -311,7 +311,7 @@ void free_thread_info(struct thread_info *thread)
                struct thread_info_list *th = &get_cpu_var(thread_info_list);
                if (th->nr < EXTRA_TASK_STRUCT) {
                        unsigned long *p = (unsigned long *)thread;
-                        p[0] = th->head;
+                        p[0] = (unsigned long)th->head;
                        th->head = p;
                        th->nr += 1;
                        put_cpu_var(thread_info_list);
diff --git a/arch/arm/lib/backtrace.S b/arch/arm/lib/backtrace.S
index 3bdc8c6949c5..16153c86c3f8 100644
--- a/arch/arm/lib/backtrace.S
+++ b/arch/arm/lib/backtrace.S
@@ -122,7 +122,7 @@ ENTRY(c_backtrace)
 #define reg   r5
 #define stack r6
-.Ldumpstm:      stmfd   sp!, {instr, reg, stack, r7, lr}
+.Ldumpstm:      stmfd   sp!, {instr, reg, stack, r7, r8, lr}
                mov     stack, r0
                mov     instr, r1
                mov     reg, #9
@@ -145,7 +145,7 @@ ENTRY(c_backtrace)
                adrne   r0, .Lcr
                blne    printk
                mov     r0, stack
-                LOADREGS(fd, sp!, {instr, reg, stack, r7, pc})
+                LOADREGS(fd, sp!, {instr, reg, stack, r7, r8, pc})
 .Lfp:           .asciz  " r%d = %08X%c"
 .Lcr:           .asciz  "\n"
diff --git a/arch/arm/lib/div64.S b/arch/arm/lib/div64.S
index ec9a1cd6176f..58eef6607629 100644
--- a/arch/arm/lib/div64.S
+++ b/arch/arm/lib/div64.S
@@ -189,12 +189,12 @@ ENTRY(__do_div64)
        moveq   pc, lr
        @ Division by 0:
-        str     lr, [sp, #-4]!
+        str     lr, [sp, #-8]!
        bl      __div0
        @ as wrong as it could be...
        mov     yl, #0
        mov     yh, #0
        mov     xh, #0
-        ldr     pc, [sp], #4
+        ldr     pc, [sp], #8
diff --git a/arch/arm/mach-ep93xx/ts72xx.c b/arch/arm/mach-ep93xx/ts72xx.c
index 9be01b0c3f48..e24566b88a78 100644
--- a/arch/arm/mach-ep93xx/ts72xx.c
+++ b/arch/arm/mach-ep93xx/ts72xx.c
@@ -111,21 +111,21 @@ static void __init ts72xx_map_io(void)
        }
 }
-static unsigned char ts72xx_rtc_readb(unsigned long addr)
+static unsigned char ts72xx_rtc_readbyte(unsigned long addr)
 {
        __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
        return __raw_readb(TS72XX_RTC_DATA_VIRT_BASE);
 }
-static void ts72xx_rtc_writeb(unsigned char value, unsigned long addr)
+static void ts72xx_rtc_writebyte(unsigned char value, unsigned long addr)
 {
        __raw_writeb(addr, TS72XX_RTC_INDEX_VIRT_BASE);
        __raw_writeb(value, TS72XX_RTC_DATA_VIRT_BASE);
 }
 static struct m48t86_ops ts72xx_rtc_ops = {
-        .readb                  = ts72xx_rtc_readb,
+        .readbyte               = ts72xx_rtc_readbyte,
-        .writeb                 = ts72xx_rtc_writeb,
+        .writebyte              = ts72xx_rtc_writebyte,
 };
 static struct platform_device ts72xx_rtc_device = {
diff --git a/arch/arm/mach-imx/irq.c b/arch/arm/mach-imx/irq.c
index eeb8a6d4a399..a5de5f1da9f2 100644
--- a/arch/arm/mach-imx/irq.c
+++ b/arch/arm/mach-imx/irq.c
@@ -127,7 +127,7 @@ static void
 imx_gpio_ack_irq(unsigned int irq)
 {
        DEBUG_IRQ("%s: irq %d\n", __FUNCTION__, irq);
-        ISR(IRQ_TO_REG(irq)) |= 1 << ((irq - IRQ_GPIOA(0)) % 32);
+        ISR(IRQ_TO_REG(irq)) = 1 << ((irq - IRQ_GPIOA(0)) % 32);
 }
 static void
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index a0724f2b24ce..9f55f5ae1044 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -232,8 +232,6 @@ static void __init intcp_init_irq(void)
        for (i = IRQ_PIC_START; i <= IRQ_PIC_END; i++) {
                if (i == 11)
                        i = 22;
-                if (i == IRQ_CP_CPPLDINT)
-                        i++;
                if (i == 29)
                        break;
                set_irq_chip(i, &pic_chip);
@@ -259,8 +257,7 @@ static void __init intcp_init_irq(void)
                set_irq_flags(i, IRQF_VALID | IRQF_PROBE);
        }
-        set_irq_handler(IRQ_CP_CPPLDINT, sic_handle_irq);
+        set_irq_chained_handler(IRQ_CP_CPPLDINT, sic_handle_irq);
-        pic_unmask_irq(IRQ_CP_CPPLDINT);
 }
 /*
diff --git a/arch/arm/mach-ixp23xx/core.c b/arch/arm/mach-ixp23xx/core.c
index 092ee12ced42..affd1d5d7440 100644
--- a/arch/arm/mach-ixp23xx/core.c
+++ b/arch/arm/mach-ixp23xx/core.c
@@ -178,8 +178,12 @@ static int ixp23xx_irq_set_type(unsigned int irq, unsigned int type)
 static void ixp23xx_irq_mask(unsigned int irq)
 {
-        volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+        volatile unsigned long *intr_reg;
+        if (irq >= 56)
+                irq += 8;
+        intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
        *intr_reg &= ~(1 << (irq % 32));
 }
@@ -199,17 +203,25 @@ static void ixp23xx_irq_ack(unsigned int irq)
 */
 static void ixp23xx_irq_level_unmask(unsigned int irq)
 {
-        volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+        volatile unsigned long *intr_reg;
        ixp23xx_irq_ack(irq);
+        if (irq >= 56)
+                irq += 8;
+        intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
        *intr_reg |= (1 << (irq % 32));
 }
 static void ixp23xx_irq_edge_unmask(unsigned int irq)
 {
-        volatile unsigned long *intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
+        volatile unsigned long *intr_reg;
+        if (irq >= 56)
+                irq += 8;
+        intr_reg = IXP23XX_INTR_EN1 + (irq / 32);
        *intr_reg |= (1 << (irq % 32));
 }
diff --git a/arch/arm/mach-ixp4xx/Kconfig b/arch/arm/mach-ixp4xx/Kconfig
index 2a39f9e481ad..3b23f43cb160 100644
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -141,7 +141,7 @@ config IXP4XX_INDIRECT_PCI
          2) If > 64MB of memory space is required, the IXP4xx can be 
             configured to use indirect registers to access PCI This allows 
             for up to 128MB (0x48000000 to 0x4fffffff) of memory on the bus. 
-             The disadvantadge of this is that every PCI access requires 
+             The disadvantage of this is that every PCI access requires 
             three local register accesses plus a spinlock, but in some 
             cases the performance hit is acceptable. In addition, you cannot 
             mmap() PCI devices in this case due to the indirect nature
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 98356f810007..b307f11951df 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -95,7 +95,10 @@ static void __init mainstone_init_irq(void)
        for(irq = MAINSTONE_IRQ(0); irq <= MAINSTONE_IRQ(15); irq++) {
                set_irq_chip(irq, &mainstone_irq_chip);
                set_irq_handler(irq, do_level_IRQ);
-                set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
+                if (irq == MAINSTONE_IRQ(10) || irq == MAINSTONE_IRQ(14))
+                        set_irq_flags(irq, IRQF_VALID | IRQF_PROBE | IRQF_NOAUTOEN);
+                else
+                        set_irq_flags(irq, IRQF_VALID | IRQF_PROBE);
        }
        set_irq_flags(MAINSTONE_IRQ(8), 0);
        set_irq_flags(MAINSTONE_IRQ(12), 0);
@@ -490,6 +493,7 @@ static void __init mainstone_map_io(void)
 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
        /* Maintainer: MontaVista Software Inc. */
        .phys_io        = 0x40000000,
+        .boot_params    = 0xa0000100,   /* BLOB boot parameter setting */
        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
        .map_io         = mainstone_map_io,
        .init_irq       = mainstone_init_irq,
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index 19b372df544a..44bcb8097c7a 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -371,6 +371,7 @@ static int spitz_ohci_init(struct device *dev)
 static struct pxaohci_platform_data spitz_ohci_platform_data = {
        .port_mode      = PMM_NPS_MODE,
        .init           = spitz_ohci_init,
+        .power_budget   = 150,
 };
diff --git a/arch/arm/mach-realview/realview_eb.c b/arch/arm/mach-realview/realview_eb.c
index d4a586e38d5b..693fb1e396e0 100644
--- a/arch/arm/mach-realview/realview_eb.c
+++ b/arch/arm/mach-realview/realview_eb.c
@@ -137,8 +137,11 @@ static struct amba_device *amba_devs[] __initdata = {
 static void __init gic_init_irq(void)
 {
 #ifdef CONFIG_REALVIEW_MPCORE
+        unsigned int pldctrl;
        writel(0x0000a05f, __io_address(REALVIEW_SYS_LOCK));
-        writel(0x008003c0, __io_address(REALVIEW_SYS_BASE) + 0xd8);
+        pldctrl = readl(__io_address(REALVIEW_SYS_BASE) + 0xd8);
+        pldctrl |= 0x00800000;  /* New irq mode */
+        writel(pldctrl, __io_address(REALVIEW_SYS_BASE) + 0xd8);
        writel(0x00000000, __io_address(REALVIEW_SYS_LOCK));
 #endif
        gic_dist_init(__io_address(REALVIEW_GIC_DIST_BASE));
diff --git a/arch/arm/mach-s3c2410/Kconfig b/arch/arm/mach-s3c2410/Kconfig
index ce7d81000695..970f98dadffc 100644
--- a/arch/arm/mach-s3c2410/Kconfig
+++ b/arch/arm/mach-s3c2410/Kconfig
@@ -170,7 +170,7 @@ config S3C2410_PM_DEBUG
        depends on ARCH_S3C2410 && PM
        help
          Say Y here if you want verbose debugging from the PM Suspend and
-          Resume code. See `Documentation/arm/Samsing-S3C24XX/Suspend.txt`
+          Resume code. See <file:Documentation/arm/Samsung-S3C24XX/Suspend.txt>
          for more information.
 config S3C2410_PM_CHECK
diff --git a/arch/arm/mach-s3c2410/sleep.S b/arch/arm/mach-s3c2410/sleep.S
index 832fb86a03b4..73de2eaca22a 100644
--- a/arch/arm/mach-s3c2410/sleep.S
+++ b/arch/arm/mach-s3c2410/sleep.S
@@ -59,8 +59,7 @@ ENTRY(s3c2410_cpu_suspend)
        mrc     p15, 0, r5, c13, c0, 0  @ PID
        mrc     p15, 0, r6, c3, c0, 0   @ Domain ID
        mrc     p15, 0, r7, c2, c0, 0   @ translation table base address
-        mrc     p15, 0, r8, c2, c0, 0   @ auxiliary control register
+        mrc     p15, 0, r8, c1, c0, 0   @ control register
-        mrc     p15, 0, r9, c1, c0, 0   @ control register
        stmia   r0, { r4 - r13 }
@@ -165,7 +164,6 @@ ENTRY(s3c2410_cpu_resume)
        mcr     p15, 0, r5, c13, c0, 0          @ PID
        mcr     p15, 0, r6, c3, c0, 0           @ Domain ID
        mcr     p15, 0, r7, c2, c0, 0           @ translation table base
-        mcr     p15, 0, r8, c1, c1, 0           @ auxilliary control
 #ifdef CONFIG_DEBUG_RESUME
        mov     r3, #'R'
@@ -173,7 +171,7 @@ ENTRY(s3c2410_cpu_resume)
 #endif
        ldr     r2, =resume_with_mmu
-        mcr     p15, 0, r9, c1, c0, 0           @ turn on MMU, etc
+        mcr     p15, 0, r8, c1, c0, 0           @ turn on MMU, etc
        nop                                     @ second-to-last before mmu
        mov     pc, r2                          @ go back to virtual address
diff --git a/arch/arm/mach-sa1100/neponset.c b/arch/arm/mach-sa1100/neponset.c
index 9e02bc3712a0..af6d2775cf82 100644
--- a/arch/arm/mach-sa1100/neponset.c
+++ b/arch/arm/mach-sa1100/neponset.c
@@ -59,6 +59,14 @@ neponset_irq_handler(unsigned int irq, struct irqdesc *desc, struct pt_regs *reg
                if (irr & (IRR_ETHERNET | IRR_USAR)) {
                        desc->chip->mask(irq);
+                        /*
+                         * Ack the interrupt now to prevent re-entering
+                         * this neponset handler.  Again, this is safe
+                         * since we'll check the IRR register prior to
+                         * leaving.
+                         */
+                        desc->chip->ack(irq);
                        if (irr & IRR_ETHERNET) {
                                d = irq_desc + IRQ_NEPONSET_SMC9196;
                                desc_handle_irq(IRQ_NEPONSET_SMC9196, d, regs);
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 799697d32dec..cebd48a3dae4 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -112,10 +112,9 @@ void __init versatile_init_irq(void)
 {
        unsigned int i;
-        vic_init(VA_VIC_BASE, IRQ_VIC_START, ~(1 << 31));
+        vic_init(VA_VIC_BASE, IRQ_VIC_START, ~0);
-        set_irq_handler(IRQ_VICSOURCE31, sic_handle_irq);
+        set_irq_chained_handler(IRQ_VICSOURCE31, sic_handle_irq);
-        enable_irq(IRQ_VICSOURCE31);
        /* Do second interrupt controller */
        writel(~0, VA_SIC_BASE + SIC_IRQ_ENABLE_CLEAR);
diff --git a/arch/arm/mm/ioremap.c b/arch/arm/mm/ioremap.c
index 25e0ca3e598c..c1f7180c7bed 100644
--- a/arch/arm/mm/ioremap.c
+++ b/arch/arm/mm/ioremap.c
@@ -141,7 +141,7 @@ __ioremap_pfn(unsigned long pfn, unsigned long offset, size_t size,
                return NULL;
        addr = (unsigned long)area->addr;
        if (remap_area_pages(addr, pfn, size, flags)) {
-                vfree((void *)addr);
+                vunmap((void *)addr);
                return NULL;
        }
        return (void __iomem *) (offset + (char *)addr);
@@ -173,7 +173,7 @@ EXPORT_SYMBOL(__ioremap);
 void __iounmap(void __iomem *addr)
 {
-        vfree((void *) (PAGE_MASK & (unsigned long) addr));
+        vunmap((void *)(PAGE_MASK & (unsigned long)addr));
 }
 EXPORT_SYMBOL(__iounmap);
diff --git a/arch/arm/mm/mm-armv.c b/arch/arm/mm/mm-armv.c
index f14b2d0f3690..95273de4f772 100644
--- a/arch/arm/mm/mm-armv.c
+++ b/arch/arm/mm/mm-armv.c
@@ -376,7 +376,7 @@ void __init build_mem_type_table(void)
                ecc_mask = 0;
        }
-        if (cpu_arch <= CPU_ARCH_ARMv5TEJ) {
+        if (cpu_arch <= CPU_ARCH_ARMv5TEJ && !cpu_is_xscale()) {
                for (i = 0; i < ARRAY_SIZE(mem_types); i++) {
                        if (mem_types[i].prot_l1)
                                mem_types[i].prot_l1 |= PMD_BIT4;
@@ -631,7 +631,7 @@ void setup_mm_for_reboot(char mode)
                pgd = init_mm.pgd;
        base_pmdval = PMD_SECT_AP_WRITE | PMD_SECT_AP_READ | PMD_TYPE_SECT;
-        if (cpu_architecture() <= CPU_ARCH_ARMv5TEJ)
+        if (cpu_architecture() <= CPU_ARCH_ARMv5TEJ && !cpu_is_xscale())
                base_pmdval |= PMD_BIT4;
        for (i = 0; i < FIRST_USER_PGD_NR + USER_PTRS_PER_PGD; i++, pgd++) {
diff --git a/arch/arm/mm/proc-xsc3.S b/arch/arm/mm/proc-xsc3.S
index 80873b36c3f7..8d32e21fe151 100644
--- a/arch/arm/mm/proc-xsc3.S
+++ b/arch/arm/mm/proc-xsc3.S
@@ -427,12 +427,13 @@ __xsc3_setup:
 #endif
        mcr     p15, 0, r0, c1, c0, 1           @ set auxiliary control reg
        mrc     p15, 0, r0, c1, c0, 0           @ get control register
-        bic     r0, r0, #0x0200                 @ .... ..R. .... ....
        bic     r0, r0, #0x0002                 @ .... .... .... ..A.
        orr     r0, r0, #0x0005                 @ .... .... .... .C.M
 #if BTB_ENABLE
+        bic     r0, r0, #0x0200                 @ .... ..R. .... ....
        orr     r0, r0, #0x3900                 @ ..VI Z..S .... ....
 #else
+        bic     r0, r0, #0x0a00                 @ .... Z.R. .... ....
        orr     r0, r0, #0x3100                 @ ..VI ...S .... ....
 #endif
 #if L2_CACHE_ENABLE
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index c6fe99e57a05..8dfa3054f10f 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -758,10 +758,10 @@ config HOTPLUG_CPU
        bool "Support for hot-pluggable CPUs (EXPERIMENTAL)"
        depends on SMP && HOTPLUG && EXPERIMENTAL && !X86_VOYAGER
        ---help---
-          Say Y here to experiment with turning CPUs off and on.  CPUs
+          Say Y here to experiment with turning CPUs off and on, and to
-          can be controlled through /sys/devices/system/cpu.
+          enable suspend on SMP systems. CPUs can be controlled through
+          /sys/devices/system/cpu.
-          Say N.
 endmenu
diff --git a/arch/i386/kernel/acpi/boot.c b/arch/i386/kernel/acpi/boot.c
index 40e5aba3ad3d..5ccbf58ec94f 100644
--- a/arch/i386/kernel/acpi/boot.c
+++ b/arch/i386/kernel/acpi/boot.c
@@ -215,7 +215,7 @@ static int __init acpi_parse_madt(unsigned long phys_addr, unsigned long size)
 {
        struct acpi_table_madt *madt = NULL;
-        if (!phys_addr || !size)
+        if (!phys_addr || !size || !cpu_has_apic)
                return -EINVAL;
        madt = (struct acpi_table_madt *)__acpi_map_table(phys_addr, size);
@@ -621,9 +621,9 @@ extern u32 pmtmr_ioport;
 static int __init acpi_parse_fadt(unsigned long phys, unsigned long size)
 {
-        struct fadt_descriptor_rev2 *fadt = NULL;
+        struct fadt_descriptor *fadt = NULL;
-        fadt = (struct fadt_descriptor_rev2 *)__acpi_map_table(phys, size);
+        fadt = (struct fadt_descriptor *)__acpi_map_table(phys, size);
        if (!fadt) {
                printk(KERN_WARNING PREFIX "Unable to map FADT\n");
                return 0;
@@ -754,7 +754,7 @@ static int __init acpi_parse_madt_ioapic_entries(void)
                return -ENODEV;
        }
-        if (!cpu_has_apic)
+        if (!cpu_has_apic) 
                return -ENODEV;
        /*
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index 2e3b643a4dc4..1649a175a206 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -5,17 +5,34 @@
 #include <linux/init.h>
 #include <linux/kernel.h>
 #include <linux/pci.h>
+#include <linux/acpi.h>
 #include <asm/pci-direct.h>
 #include <asm/acpi.h>
 #include <asm/apic.h>
+#ifdef CONFIG_ACPI
+static int nvidia_hpet_detected __initdata;
+static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+{
+        nvidia_hpet_detected = 1;
+        return 0;
+}
+#endif
 static int __init check_bridge(int vendor, int device)
 {
 #ifdef CONFIG_ACPI
-        /* According to Nvidia all timer overrides are bogus. Just ignore
+        /* According to Nvidia all timer overrides are bogus unless HPET
-           them all. */
+           is enabled. */
        if (vendor == PCI_VENDOR_ID_NVIDIA) {
-                acpi_skip_timer_override = 1;
+                nvidia_hpet_detected = 0;
+                acpi_table_parse(ACPI_HPET, nvidia_hpet_check);
+                if (nvidia_hpet_detected == 0) {
+                        acpi_skip_timer_override = 1;
+                }
        }
 #endif
        if (vendor == PCI_VENDOR_ID_ATI && timer_over_8254 == 1) {
diff --git a/arch/i386/kernel/apic.c b/arch/i386/kernel/apic.c
index 013b85df18c6..3d4b2f3d116a 100644
--- a/arch/i386/kernel/apic.c
+++ b/arch/i386/kernel/apic.c
@@ -1341,6 +1341,14 @@ int __init APIC_init_uniprocessor (void)
        connect_bsp_APIC();
+        /*
+         * Hack: In case of kdump, after a crash, kernel might be booting
+         * on a cpu with non-zero lapic id. But boot_cpu_physical_apicid
+         * might be zero if read from MP tables. Get it from LAPIC.
+         */
+#ifdef CONFIG_CRASH_DUMP
+        boot_cpu_physical_apicid = GET_APIC_ID(apic_read(APIC_ID));
+#endif
        phys_cpu_present_map = physid_mask_of_physid(boot_cpu_physical_apicid);
        setup_local_APIC();
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index d77e89ac0d54..dd6b0e3386ce 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1320,6 +1320,8 @@ legacy_init_iomem_resources(struct resource *code_resource, struct resource *dat
        probe_roms();
        for (i = 0; i < e820.nr_map; i++) {
                struct resource *res;
+                if (e820.map[i].addr + e820.map[i].size > 0x100000000ULL)
+                        continue;
                res = kzalloc(sizeof(struct resource), GFP_ATOMIC);
                switch (e820.map[i].type) {
                case E820_RAM:  res->name = "System RAM"; break;
@@ -1545,15 +1547,18 @@ void __init setup_arch(char **cmdline_p)
        if (efi_enabled)
                efi_map_memmap();
-#ifdef CONFIG_X86_IO_APIC
-        check_acpi_pci();       /* Checks more than just ACPI actually */
-#endif
 #ifdef CONFIG_ACPI
        /*
         * Parse the ACPI tables for possible boot-time SMP configuration.
         */
        acpi_boot_table_init();
+#endif
+#ifdef CONFIG_X86_IO_APIC
+        check_acpi_pci();       /* Checks more than just ACPI actually */
+#endif
+#ifdef CONFIG_ACPI
        acpi_boot_init();
 #if defined(CONFIG_SMP) && defined(CONFIG_X86_PC)
diff --git a/arch/i386/kernel/syscall_table.S b/arch/i386/kernel/syscall_table.S
index f48bef15b4f0..af56987f69b0 100644
--- a/arch/i386/kernel/syscall_table.S
+++ b/arch/i386/kernel/syscall_table.S
@@ -315,3 +315,4 @@ ENTRY(sys_call_table)
        .long sys_splice
        .long sys_sync_file_range
        .long sys_tee                   /* 315 */
+        .long sys_vmsplice
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 2d22f5761b1d..0e498369f35e 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -130,9 +130,8 @@ static inline int print_addr_and_symbol(unsigned long addr, char *log_lvl,
        print_symbol("%s", addr);
        printed = (printed + 1) % CONFIG_STACK_BACKTRACE_COLS;
        if (printed)
-                printk("  ");
+                printk(" ");
        else
                printk("\n");
@@ -212,7 +211,6 @@ static void show_stack_log_lvl(struct task_struct *task, unsigned long *esp,
        }
        stack = esp;
-        printk(log_lvl);
        for(i = 0; i < kstack_depth_to_print; i++) {
                if (kstack_end(stack))
                        break;
diff --git a/arch/i386/mach-generic/probe.c b/arch/i386/mach-generic/probe.c
index cea5b3ce4b57..d55fa7b187ab 100644
--- a/arch/i386/mach-generic/probe.c
+++ b/arch/i386/mach-generic/probe.c
@@ -93,9 +93,11 @@ int __init mps_oem_check(struct mp_config_table *mpc, char *oem, char *productid
        int i;
        for (i = 0; apic_probe[i]; ++i) { 
                if (apic_probe[i]->mps_oem_check(mpc,oem,productid)) { 
-                        genapic = apic_probe[i];
+                        if (!cmdline_apic) {
-                        printk(KERN_INFO "Switched to APIC driver `%s'.\n", 
+                                genapic = apic_probe[i];
-                               genapic->name);
+                                printk(KERN_INFO "Switched to APIC driver `%s'.\n",
+                                       genapic->name);
+                        }
                        return 1;
                } 
        } 
@@ -107,9 +109,11 @@ int __init acpi_madt_oem_check(char *oem_id, char *oem_table_id)
        int i;
        for (i = 0; apic_probe[i]; ++i) { 
                if (apic_probe[i]->acpi_madt_oem_check(oem_id, oem_table_id)) { 
-                        genapic = apic_probe[i];
+                        if (!cmdline_apic) {
-                        printk(KERN_INFO "Switched to APIC driver `%s'.\n", 
+                                genapic = apic_probe[i];
-                               genapic->name);
+                                printk(KERN_INFO "Switched to APIC driver `%s'.\n",
+                                       genapic->name);
+                        }
                        return 1;
                } 
        } 
diff --git a/arch/i386/mm/init.c b/arch/i386/mm/init.c
index ae6534ad8161..3df1371d4520 100644
--- a/arch/i386/mm/init.c
+++ b/arch/i386/mm/init.c
@@ -651,7 +651,7 @@ void __init mem_init(void)
 * Specifically, in the case of x86, we will always add
 * memory to the highmem for now.
 */
-#ifdef CONFIG_HOTPLUG_MEMORY
+#ifdef CONFIG_MEMORY_HOTPLUG
 #ifndef CONFIG_NEED_MULTIPLE_NODES
 int add_memory(u64 start, u64 size)
 {
diff --git a/arch/i386/oprofile/nmi_int.c b/arch/i386/oprofile/nmi_int.c
index 1a2076ce6f6a..ec0fd3cfa774 100644
--- a/arch/i386/oprofile/nmi_int.c
+++ b/arch/i386/oprofile/nmi_int.c
@@ -332,10 +332,11 @@ static int __init ppro_init(char ** cpu_type)
 {
        __u8 cpu_model = boot_cpu_data.x86_model;
-        if (cpu_model > 0xd)
+        if (cpu_model == 14)
+                *cpu_type = "i386/core";
+        else if (cpu_model > 0xd)
                return 0;
+        else if (cpu_model == 9) {
-        if (cpu_model == 9) {
                *cpu_type = "i386/p6_mobile";
        } else if (cpu_model > 5) {
                *cpu_type = "i386/piii";
diff --git a/arch/i386/power/cpu.c b/arch/i386/power/cpu.c
index 50a0bef8c85f..79b2370c7fac 100644
--- a/arch/i386/power/cpu.c
+++ b/arch/i386/power/cpu.c
@@ -92,7 +92,7 @@ void __restore_processor_state(struct saved_context *ctxt)
        write_cr4(ctxt->cr4);
        write_cr3(ctxt->cr3);
        write_cr2(ctxt->cr2);
-        write_cr2(ctxt->cr0);
+        write_cr0(ctxt->cr0);
        /*
         * now restore the descriptor tables to their proper values
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 0f3076a820c3..f0252eda12a8 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -77,6 +77,7 @@ choice
 config IA64_GENERIC
        bool "generic"
        select ACPI
+        select PCI
        select NUMA
        select ACPI_NUMA
        help
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
index f6a8853cd1b4..9ea35398e10d 100644
--- a/arch/ia64/configs/sn2_defconfig
+++ b/arch/ia64/configs/sn2_defconfig
@@ -134,7 +134,7 @@ CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
 CONFIG_NUMA=y
-CONFIG_NODES_SHIFT=8
+CONFIG_NODES_SHIFT=10
 CONFIG_VIRTUAL_MEM_MAP=y
 CONFIG_HOLES_IN_ZONE=y
 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
@@ -1159,7 +1159,7 @@ CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
 CONFIG_DEBUG_PREEMPT=y
-CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_MUTEXES is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index bdccd0b1eb60..dd4a2f792632 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -1999,7 +1999,7 @@ acpi_sba_ioc_add(struct acpi_device *device)
                if (!iovp_shift)
                        iovp_shift = min(PAGE_SHIFT, 16);
        }
-        ACPI_MEM_FREE(dev_info);
+        kfree(dev_info);
        /*
         * default anything not caught above or specified on cmdline to 4k
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 7956eb9058fc..d58c1c5c903a 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -416,7 +416,7 @@ iosapic_end_level_irq (unsigned int irq)
        ia64_vector vec = irq_to_vector(irq);
        struct iosapic_rte_info *rte;
-        move_irq(irq);
+        move_native_irq(irq);
        list_for_each_entry(rte, &iosapic_intr_info[vec].rtes, rte_list)
                iosapic_eoi(rte->addr, vec);
 }
@@ -458,7 +458,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 {
        irq_desc_t *idesc = irq_descp(irq);
-        move_irq(irq);
+        move_native_irq(irq);
        /*
         * Once we have recorded IRQ_PENDING already, we can mask the
         * interrupt for real. This prevents IRQ storms from unhandled
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 5ce908ef9c95..9c72ea3f6432 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -101,7 +101,6 @@ void set_irq_affinity_info (unsigned int irq, int hwid, int redir)
        if (irq < NR_IRQS) {
                irq_affinity[irq] = mask;
-                set_irq_info(irq, mask);
                irq_redir[irq] = (char) (redir & 0xff);
        }
 }
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index ee5fbb02b28f..e8ff09fe73d9 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -13,7 +13,7 @@ choice
        default SGI_IP22
 config MIPS_MTX1
-        bool "Support for 4G Systems MTX-1 board"
+        bool "4G Systems MTX-1 board"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select SOC_AU1500
@@ -120,7 +120,7 @@ config MIPS_MIRAGE
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config MIPS_COBALT
-        bool "Support for Cobalt Server"
+        bool "Cobalt Server"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select I8259
@@ -132,7 +132,7 @@ config MIPS_COBALT
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config MACH_DECSTATION
-        bool "Support for DECstations"
+        bool "DECstations"
        select BOOT_ELF32
        select DMA_NONCOHERENT
        select EARLY_PRINTK
@@ -158,7 +158,7 @@ config MACH_DECSTATION
          otherwise choose R3000.
 config MIPS_EV64120
-        bool "Support for Galileo EV64120 Evaluation board (EXPERIMENTAL)"
+        bool "Galileo EV64120 Evaluation board (EXPERIMENTAL)"
        depends on EXPERIMENTAL
        select DMA_NONCOHERENT
        select HW_HAS_PCI
@@ -175,7 +175,7 @@ config MIPS_EV64120
          kernel for this platform.
 config MIPS_EV96100
-        bool "Support for Galileo EV96100 Evaluation board (EXPERIMENTAL)"
+        bool "Galileo EV96100 Evaluation board (EXPERIMENTAL)"
        depends on EXPERIMENTAL
        select DMA_NONCOHERENT
        select HW_HAS_PCI
@@ -195,7 +195,7 @@ config MIPS_EV96100
          here if you wish to build a kernel for this platform.
 config MIPS_IVR
-        bool "Support for Globespan IVR board"
+        bool "Globespan IVR board"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select ITE_BOARD_GEN
@@ -211,7 +211,7 @@ config MIPS_IVR
          build a kernel for this platform.
 config MIPS_ITE8172
-        bool "Support for ITE 8172G board"
+        bool "ITE 8172G board"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select ITE_BOARD_GEN
@@ -228,7 +228,7 @@ config MIPS_ITE8172
          a kernel for this platform.
 config MACH_JAZZ
-        bool "Support for the Jazz family of machines"
+        bool "Jazz family of machines"
        select ARC
        select ARC32
        select ARCH_MAY_HAVE_PC_FDC
@@ -246,7 +246,7 @@ config MACH_JAZZ
         Olivetti M700-10 workstations.
 config LASAT
-        bool "Support for LASAT Networks platforms"
+        bool "LASAT Networks platforms"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select MIPS_GT64120
@@ -258,7 +258,7 @@ config LASAT
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config MIPS_ATLAS
-        bool "Support for MIPS Atlas board"
+        bool "MIPS Atlas board"
        select BOOT_ELF32
        select DMA_NONCOHERENT
        select IRQ_CPU
@@ -283,7 +283,7 @@ config MIPS_ATLAS
          board.
 config MIPS_MALTA
-        bool "Support for MIPS Malta board"
+        bool "MIPS Malta board"
        select ARCH_MAY_HAVE_PC_FDC
        select BOOT_ELF32
        select HAVE_STD_PC_SERIAL_PORT
@@ -311,7 +311,7 @@ config MIPS_MALTA
          board.
 config MIPS_SEAD
-        bool "Support for MIPS SEAD board (EXPERIMENTAL)"
+        bool "MIPS SEAD board (EXPERIMENTAL)"
        depends on EXPERIMENTAL
        select IRQ_CPU
        select DMA_NONCOHERENT
@@ -328,7 +328,7 @@ config MIPS_SEAD
          board.
 config MIPS_SIM
-        bool 'Support for MIPS simulator (MIPSsim)'
+        bool 'MIPS simulator (MIPSsim)'
        select DMA_NONCOHERENT
        select IRQ_CPU
        select SYS_HAS_CPU_MIPS32_R1
@@ -341,7 +341,7 @@ config MIPS_SIM
          emulator.
 config MOMENCO_JAGUAR_ATX
-        bool "Support for Momentum Jaguar board"
+        bool "Momentum Jaguar board"
        select BOOT_ELF32
        select DMA_NONCOHERENT
        select HW_HAS_PCI
@@ -361,7 +361,7 @@ config MOMENCO_JAGUAR_ATX
          Momentum Computer <http://www.momenco.com/>.
 config MOMENCO_OCELOT
-        bool "Support for Momentum Ocelot board"
+        bool "Momentum Ocelot board"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select IRQ_CPU
@@ -378,7 +378,7 @@ config MOMENCO_OCELOT
          Momentum Computer <http://www.momenco.com/>.
 config MOMENCO_OCELOT_3
-        bool "Support for Momentum Ocelot-3 board"
+        bool "Momentum Ocelot-3 board"
        select BOOT_ELF32
        select DMA_NONCOHERENT
        select HW_HAS_PCI
@@ -397,7 +397,7 @@ config MOMENCO_OCELOT_3
          PMC-Sierra Rm79000 core.
 config MOMENCO_OCELOT_C
-        bool "Support for Momentum Ocelot-C board"
+        bool "Momentum Ocelot-C board"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select IRQ_CPU
@@ -414,7 +414,7 @@ config MOMENCO_OCELOT_C
          Momentum Computer <http://www.momenco.com/>.
 config MOMENCO_OCELOT_G
-        bool "Support for Momentum Ocelot-G board"
+        bool "Momentum Ocelot-G board"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select IRQ_CPU
@@ -431,23 +431,23 @@ config MOMENCO_OCELOT_G
          Momentum Computer <http://www.momenco.com/>.
 config MIPS_XXS1500
-        bool "Support for MyCable XXS1500 board"
+        bool "MyCable XXS1500 board"
        select DMA_NONCOHERENT
        select SOC_AU1500
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config PNX8550_V2PCI
-        bool "Support for Philips PNX8550 based Viper2-PCI board"
+        bool "Philips PNX8550 based Viper2-PCI board"
        select PNX8550
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config PNX8550_JBS
-        bool "Support for Philips PNX8550 based JBS board"
+        bool "Philips PNX8550 based JBS board"
        select PNX8550
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config DDB5074
-        bool "Support for NEC DDB Vrc-5074 (EXPERIMENTAL)"
+        bool "NEC DDB Vrc-5074 (EXPERIMENTAL)"
        depends on EXPERIMENTAL
        select DDB5XXX_COMMON
        select DMA_NONCOHERENT
@@ -465,7 +465,7 @@ config DDB5074
          evaluation board.
 config DDB5476
-        bool "Support for NEC DDB Vrc-5476"
+        bool "NEC DDB Vrc-5476"
        select DDB5XXX_COMMON
        select DMA_NONCOHERENT
        select HAVE_STD_PC_SERIAL_PORT
@@ -486,7 +486,7 @@ config DDB5476
          IDE controller, PS2 keyboard, PS2 mouse, etc.
 config DDB5477
-        bool "Support for NEC DDB Vrc-5477"
+        bool "NEC DDB Vrc-5477"
        select DDB5XXX_COMMON
        select DMA_NONCOHERENT
        select HW_HAS_PCI
@@ -504,13 +504,13 @@ config DDB5477
          ether port USB, AC97, PCI, etc.
 config MACH_VR41XX
-        bool "Support for NEC VR4100 series based machines"
+        bool "NEC VR41XX-based machines"
        select SYS_HAS_CPU_VR41XX
        select SYS_SUPPORTS_32BIT_KERNEL
        select SYS_SUPPORTS_64BIT_KERNEL if EXPERIMENTAL
 config PMC_YOSEMITE
-        bool "Support for PMC-Sierra Yosemite eval board"
+        bool "PMC-Sierra Yosemite eval board"
        select DMA_COHERENT
        select HW_HAS_PCI
        select IRQ_CPU
@@ -527,7 +527,7 @@ config PMC_YOSEMITE
          manufactured by PMC-Sierra.
 config QEMU
-        bool "Support for Qemu"
+        bool "Qemu"
        select DMA_COHERENT
        select GENERIC_ISA_DMA
        select HAVE_STD_PC_SERIAL_PORT
@@ -547,7 +547,7 @@ config QEMU
          can be found at http://www.linux-mips.org/wiki/Qemu.
 config SGI_IP22
-        bool "Support for SGI IP22 (Indy/Indigo2)"
+        bool "SGI IP22 (Indy/Indigo2)"
        select ARC
        select ARC32
        select BOOT_ELF32
@@ -567,7 +567,7 @@ config SGI_IP22
          that runs on these, say Y here.
 config SGI_IP27
-        bool "Support for SGI IP27 (Origin200/2000)"
+        bool "SGI IP27 (Origin200/2000)"
        select ARC
        select ARC64
        select BOOT_ELF64
@@ -583,7 +583,7 @@ config SGI_IP27
          here.
 config SGI_IP32
-        bool "Support for SGI IP32 (O2) (EXPERIMENTAL)"
+        bool "SGI IP32 (O2) (EXPERIMENTAL)"
        depends on EXPERIMENTAL
        select ARC
        select ARC32
@@ -604,7 +604,7 @@ config SGI_IP32
          If you want this kernel to run on SGI O2 workstation, say Y here.
 config SIBYTE_BIGSUR
-        bool "Support for Sibyte BCM91480B-BigSur"
+        bool "Sibyte BCM91480B-BigSur"
        select BOOT_ELF32
        select DMA_COHERENT
        select PCI_DOMAINS
@@ -615,7 +615,7 @@ config SIBYTE_BIGSUR
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SIBYTE_SWARM
-        bool "Support for Sibyte BCM91250A-SWARM"
+        bool "Sibyte BCM91250A-SWARM"
        select BOOT_ELF32
        select DMA_COHERENT
        select SIBYTE_SB1250
@@ -626,7 +626,7 @@ config SIBYTE_SWARM
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SIBYTE_SENTOSA
-        bool "Support for Sibyte BCM91250E-Sentosa"
+        bool "Sibyte BCM91250E-Sentosa"
        depends on EXPERIMENTAL
        select BOOT_ELF32
        select DMA_COHERENT
@@ -637,7 +637,7 @@ config SIBYTE_SENTOSA
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SIBYTE_RHONE
-        bool "Support for Sibyte BCM91125E-Rhone"
+        bool "Sibyte BCM91125E-Rhone"
        depends on EXPERIMENTAL
        select BOOT_ELF32
        select DMA_COHERENT
@@ -648,7 +648,7 @@ config SIBYTE_RHONE
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SIBYTE_CARMEL
-        bool "Support for Sibyte BCM91120x-Carmel"
+        bool "Sibyte BCM91120x-Carmel"
        depends on EXPERIMENTAL
        select BOOT_ELF32
        select DMA_COHERENT
@@ -659,7 +659,7 @@ config SIBYTE_CARMEL
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SIBYTE_PTSWARM
-        bool "Support for Sibyte BCM91250PT-PTSWARM"
+        bool "Sibyte BCM91250PT-PTSWARM"
        depends on EXPERIMENTAL
        select BOOT_ELF32
        select DMA_COHERENT
@@ -671,7 +671,7 @@ config SIBYTE_PTSWARM
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SIBYTE_LITTLESUR
-        bool "Support for Sibyte BCM91250C2-LittleSur"
+        bool "Sibyte BCM91250C2-LittleSur"
        depends on EXPERIMENTAL
        select BOOT_ELF32
        select DMA_COHERENT
@@ -683,7 +683,7 @@ config SIBYTE_LITTLESUR
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SIBYTE_CRHINE
-        bool "Support for Sibyte BCM91120C-CRhine"
+        bool "Sibyte BCM91120C-CRhine"
        depends on EXPERIMENTAL
        select BOOT_ELF32
        select DMA_COHERENT
@@ -694,7 +694,7 @@ config SIBYTE_CRHINE
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SIBYTE_CRHONE
-        bool "Support for Sibyte BCM91125C-CRhone"
+        bool "Sibyte BCM91125C-CRhone"
        depends on EXPERIMENTAL
        select BOOT_ELF32
        select DMA_COHERENT
@@ -706,7 +706,7 @@ config SIBYTE_CRHONE
        select SYS_SUPPORTS_LITTLE_ENDIAN
 config SNI_RM200_PCI
-        bool "Support for SNI RM200 PCI"
+        bool "SNI RM200 PCI"
        select ARC
        select ARC32
        select ARCH_MAY_HAVE_PC_FDC
@@ -732,7 +732,7 @@ config SNI_RM200_PCI
          support this machine type.
 config TOSHIBA_JMR3927
-        bool "Support for Toshiba JMR-TX3927 board"
+        bool "Toshiba JMR-TX3927 board"
        select DMA_NONCOHERENT
        select HW_HAS_PCI
        select MIPS_TX3927
@@ -743,7 +743,7 @@ config TOSHIBA_JMR3927
        select TOSHIBA_BOARDS
 config TOSHIBA_RBTX4927
-        bool "Support for Toshiba TBTX49[23]7 board"
+        bool "Toshiba TBTX49[23]7 board"
        select DMA_NONCOHERENT
        select HAS_TXX9_SERIAL
        select HW_HAS_PCI
@@ -760,7 +760,7 @@ config TOSHIBA_RBTX4927
          support this machine type
 config TOSHIBA_RBTX4938
-        bool "Support for Toshiba RBTX4938 board"
+        bool "Toshiba RBTX4938 board"
        select HAVE_STD_PC_SERIAL_PORT
        select DMA_NONCOHERENT
        select GENERIC_ISA_DMA
@@ -1411,13 +1411,12 @@ config PAGE_SIZE_8KB
 config PAGE_SIZE_16KB
        bool "16kB"
-        depends on EXPERIMENTAL && !CPU_R3000 && !CPU_TX39XX
+        depends on !CPU_R3000 && !CPU_TX39XX
        help
          Using 16kB page size will result in higher performance kernel at
          the price of higher memory consumption.  This option is available on
-          all non-R3000 family processor.  Not that at the time of this
+          all non-R3000 family processors.  Note that you will need a suitable
-          writing this option is still high experimental; there are also
+          Linux distribution to support this.
-          issues with compatibility of user applications.
 config PAGE_SIZE_64KB
        bool "64kB"
@@ -1426,8 +1425,7 @@ config PAGE_SIZE_64KB
          Using 64kB page size will result in higher performance kernel at
          the price of higher memory consumption.  This option is available on
          all non-R3000 family processor.  Not that at the time of this
-          writing this option is still high experimental; there are also
+          writing this option is still high experimental.
-          issues with compatibility of user applications.
 endchoice
diff --git a/arch/mips/au1000/common/irq.c b/arch/mips/au1000/common/irq.c
index da61de776154..afe05ec12c27 100644
--- a/arch/mips/au1000/common/irq.c
+++ b/arch/mips/au1000/common/irq.c
@@ -68,6 +68,7 @@
 extern void set_debug_traps(void);
 extern irq_cpustat_t irq_stat [NR_CPUS];
+extern void mips_timer_interrupt(struct pt_regs *regs);
 static void setup_local_irq(unsigned int irq, int type, int int_req);
 static unsigned int startup_irq(unsigned int irq);
diff --git a/arch/mips/au1000/common/prom.c b/arch/mips/au1000/common/prom.c
index 9c171afd9a53..ae7d8c57bf3f 100644
--- a/arch/mips/au1000/common/prom.c
+++ b/arch/mips/au1000/common/prom.c
@@ -1,10 +1,9 @@
 /*
 *
 * BRIEF MODULE DESCRIPTION
- *    PROM library initialisation code, assuming a version of
+ *    PROM library initialisation code, assuming YAMON is the boot loader.
- *    pmon is the boot code.
 *
- * Copyright 2000,2001 MontaVista Software Inc.
+ * Copyright 2000, 2001, 2006 MontaVista Software Inc.
 * Author: MontaVista Software, Inc.
 *              ppopov@mvista.com or source@mvista.com
 *
@@ -49,9 +48,9 @@ extern char **prom_argv, **prom_envp;
 typedef struct
 {
-    char *name;
+        char *name;
-/*    char *val; */
+        char *val;
-}t_env_var;
+} t_env_var;
 char * prom_getcmdline(void)
@@ -85,21 +84,16 @@ char *prom_getenv(char *envname)
 {
        /*
         * Return a pointer to the given environment variable.
-         * Environment variables are stored in the form of "memsize=64".
         */
        t_env_var *env = (t_env_var *)prom_envp;
-        int i;
-        i = strlen(envname);
-        while(env->name) {
+        while (env->name) {
-                if(strncmp(envname, env->name, i) == 0) {
+                if (strcmp(envname, env->name) == 0)
-                        return(env->name + strlen(envname) + 1);
+                        return env->val;
-                }
                env++;
        }
-        return(NULL);
+        return NULL;
 }
 inline unsigned char str2hexnum(unsigned char c)
diff --git a/arch/mips/au1000/common/sleeper.S b/arch/mips/au1000/common/sleeper.S
index 44dac3b0df3b..683d9da84b66 100644
--- a/arch/mips/au1000/common/sleeper.S
+++ b/arch/mips/au1000/common/sleeper.S
@@ -112,6 +112,11 @@ sdsleep:
        mtc0    k0, CP0_PAGEMASK
        lw      k0, 0x14(sp)
        mtc0    k0, CP0_CONFIG
+        /* We need to catch the ealry Alchemy SOCs with
+         * the write-only Config[OD] bit and set it back to one...
+         */
+        jal     au1x00_fixup_config_od
        lw      $1, PT_R1(sp)
        lw      $2, PT_R2(sp)
        lw      $3, PT_R3(sp)
diff --git a/arch/mips/au1000/common/time.c b/arch/mips/au1000/common/time.c
index f85f1524b366..f74d66a58a21 100644
--- a/arch/mips/au1000/common/time.c
+++ b/arch/mips/au1000/common/time.c
@@ -116,6 +116,7 @@ void mips_timer_interrupt(struct pt_regs *regs)
 null:
        ack_r4ktimer(0);
+        irq_exit();
 }
 #ifdef CONFIG_PM
diff --git a/arch/mips/ddb5xxx/ddb5476/dbg_io.c b/arch/mips/ddb5xxx/ddb5476/dbg_io.c
index 85e9e5013679..f2296a999953 100644
--- a/arch/mips/ddb5xxx/ddb5476/dbg_io.c
+++ b/arch/mips/ddb5xxx/ddb5476/dbg_io.c
@@ -86,7 +86,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
        /* disable interrupts */
        UART16550_WRITE(OFS_INTR_ENABLE, 0);
-        /* set up buad rate */
+        /* set up baud rate */
        {
                uint32 divisor;
diff --git a/arch/mips/ddb5xxx/ddb5477/kgdb_io.c b/arch/mips/ddb5xxx/ddb5477/kgdb_io.c
index 1d18d590495b..385bbdb10170 100644
--- a/arch/mips/ddb5xxx/ddb5477/kgdb_io.c
+++ b/arch/mips/ddb5xxx/ddb5477/kgdb_io.c
@@ -86,7 +86,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
        /* disable interrupts */
        UART16550_WRITE(OFS_INTR_ENABLE, 0);
-        /* set up buad rate */
+        /* set up baud rate */
        {
                uint32 divisor;
diff --git a/arch/mips/gt64120/ev64120/serialGT.c b/arch/mips/gt64120/ev64120/serialGT.c
index 16e34a546e54..8f0d835491ff 100644
--- a/arch/mips/gt64120/ev64120/serialGT.c
+++ b/arch/mips/gt64120/ev64120/serialGT.c
@@ -149,7 +149,7 @@ void serial_set(int channel, unsigned long baud)
 #else
        /*
         * Note: Set baud rate, hardcoded here for rate of 115200
-         * since became unsure of above "buad rate" algorithm (??).
+         * since became unsure of above "baud rate" algorithm (??).
         */
        outreg(channel, LCR, 0x83);
        outreg(channel, DLM, 0x00);     // See note above
diff --git a/arch/mips/gt64120/momenco_ocelot/dbg_io.c b/arch/mips/gt64120/momenco_ocelot/dbg_io.c
index 8720bccfdea2..f0a6a38fcf4d 100644
--- a/arch/mips/gt64120/momenco_ocelot/dbg_io.c
+++ b/arch/mips/gt64120/momenco_ocelot/dbg_io.c
@@ -73,7 +73,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
        /* disable interrupts */
        UART16550_WRITE(OFS_INTR_ENABLE, 0);
-        /* set up buad rate */
+        /* set up baud rate */
        {
                uint32 divisor;
diff --git a/arch/mips/ite-boards/generic/dbg_io.c b/arch/mips/ite-boards/generic/dbg_io.c
index c4f8530fd07e..6a7ccaf93502 100644
--- a/arch/mips/ite-boards/generic/dbg_io.c
+++ b/arch/mips/ite-boards/generic/dbg_io.c
@@ -72,7 +72,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
        /* disable interrupts */
        UART16550_WRITE(OFS_INTR_ENABLE, 0);
-        /* set up buad rate */
+        /* set up baud rate */
        {
                uint32 divisor;
diff --git a/arch/mips/kernel/asm-offsets.c b/arch/mips/kernel/asm-offsets.c
index 92b28b674d6f..0facfaf4e950 100644
--- a/arch/mips/kernel/asm-offsets.c
+++ b/arch/mips/kernel/asm-offsets.c
@@ -272,8 +272,8 @@ void output_sc_defines(void)
        text("/* Linux sigcontext offsets. */");
        offset("#define SC_REGS       ", struct sigcontext, sc_regs);
        offset("#define SC_FPREGS     ", struct sigcontext, sc_fpregs);
-        offset("#define SC_MDHI       ", struct sigcontext, sc_hi);
+        offset("#define SC_MDHI       ", struct sigcontext, sc_mdhi);
-        offset("#define SC_MDLO       ", struct sigcontext, sc_lo);
+        offset("#define SC_MDLO       ", struct sigcontext, sc_mdlo);
        offset("#define SC_PC         ", struct sigcontext, sc_pc);
        offset("#define SC_FPC_CSR    ", struct sigcontext, sc_fpc_csr);
        linefeed;
diff --git a/arch/mips/kernel/cpu-bugs64.c b/arch/mips/kernel/cpu-bugs64.c
index 47a087b6c11b..d268827c62bd 100644
--- a/arch/mips/kernel/cpu-bugs64.c
+++ b/arch/mips/kernel/cpu-bugs64.c
@@ -206,7 +206,7 @@ static inline void check_daddi(void)
                "daddi  %0, %1, %3\n\t"
                ".set   pop"
                : "=r" (v), "=&r" (tmp)
-                : "I" (0xffffffffffffdb9a), "I" (0x1234));
+                : "I" (0xffffffffffffdb9aUL), "I" (0x1234));
        set_except_vector(12, handler);
        local_irq_restore(flags);
@@ -224,7 +224,7 @@ static inline void check_daddi(void)
                "dsrl   %1, %1, 1\n\t"
                "daddi  %0, %1, %3"
                : "=r" (v), "=&r" (tmp)
-                : "I" (0xffffffffffffdb9a), "I" (0x1234));
+                : "I" (0xffffffffffffdb9aUL), "I" (0x1234));
        set_except_vector(12, handler);
        local_irq_restore(flags);
@@ -280,7 +280,7 @@ static inline void check_daddiu(void)
                "daddu  %1, %2\n\t"
                ".set   pop"
                : "=&r" (v), "=&r" (w), "=&r" (tmp)
-                : "I" (0xffffffffffffdb9a), "I" (0x1234));
+                : "I" (0xffffffffffffdb9aUL), "I" (0x1234));
        if (v == w) {
                printk("no.\n");
@@ -296,7 +296,7 @@ static inline void check_daddiu(void)
                "addiu  %1, $0, %4\n\t"
                "daddu  %1, %2"
                : "=&r" (v), "=&r" (w), "=&r" (tmp)
-                : "I" (0xffffffffffffdb9a), "I" (0x1234));
+                : "I" (0xffffffffffffdb9aUL), "I" (0x1234));
        if (v == w) {
                printk("yes.\n");
diff --git a/arch/mips/kernel/cpu-probe.c b/arch/mips/kernel/cpu-probe.c
index 58b3b14873cb..8c2c359a05f4 100644
--- a/arch/mips/kernel/cpu-probe.c
+++ b/arch/mips/kernel/cpu-probe.c
@@ -121,6 +121,7 @@ static inline void check_wait(void)
        case CPU_24K:
        case CPU_25KF:
        case CPU_34K:
+        case CPU_74K:
        case CPU_PR4450:
                cpu_wait = r4k_wait;
                printk(" available.\n");
@@ -432,6 +433,15 @@ static inline void cpu_probe_legacy(struct cpuinfo_mips *c)
                             MIPS_CPU_LLSC;
                c->tlbsize = 64;
                break;
+        case PRID_IMP_R14000:
+                c->cputype = CPU_R14000;
+                c->isa_level = MIPS_CPU_ISA_IV;
+                c->options = MIPS_CPU_TLB | MIPS_CPU_4K_CACHE | MIPS_CPU_4KEX |
+                             MIPS_CPU_FPU | MIPS_CPU_32FPR |
+                             MIPS_CPU_COUNTER | MIPS_CPU_WATCH |
+                             MIPS_CPU_LLSC;
+                c->tlbsize = 64;
+                break;
        }
 }
@@ -593,6 +603,9 @@ static inline void cpu_probe_mips(struct cpuinfo_mips *c)
        case PRID_IMP_34K:
                c->cputype = CPU_34K;
                break;
+        case PRID_IMP_74K:
+                c->cputype = CPU_74K;
+                break;
        }
 }
@@ -642,7 +655,7 @@ static inline void cpu_probe_sibyte(struct cpuinfo_mips *c)
        case PRID_IMP_SB1:
                c->cputype = CPU_SB1;
                /* FPU in pass1 is known to have issues. */
-                if ((c->processor_id & 0xff) < 0x20)
+                if ((c->processor_id & 0xff) < 0x02)
                        c->options &= ~(MIPS_CPU_FPU | MIPS_CPU_32FPR);
                break;
        case PRID_IMP_SB1A:
diff --git a/arch/mips/kernel/entry.S b/arch/mips/kernel/entry.S
index d101d2fb24ca..a9c6de1b9542 100644
--- a/arch/mips/kernel/entry.S
+++ b/arch/mips/kernel/entry.S
@@ -101,7 +101,7 @@ FEXPORT(restore_all)			# restore full frame
        EMT
 1:
        mfc0    v1, CP0_TCSTATUS
-        /* We set IXMT above, XOR should cler it here */
+        /* We set IXMT above, XOR should clear it here */
        xori    v1, v1, TCSTATUS_IXMT
        or      v1, v0, v1
        mtc0    v1, CP0_TCSTATUS
diff --git a/arch/mips/kernel/gdb-low.S b/arch/mips/kernel/gdb-low.S
index 10f28fb9f008..5fd7a8af0c62 100644
--- a/arch/mips/kernel/gdb-low.S
+++ b/arch/mips/kernel/gdb-low.S
@@ -54,9 +54,11 @@
                 */
                mfc0    k0, CP0_CAUSE
                andi    k0, k0, 0x7c
-                add     k1, k1, k0
+#ifdef CONFIG_64BIT
-                PTR_L   k0, saved_vectors(k1)
+                dsll    k0, k0, 1
-                jr      k0
+#endif
+                PTR_L   k1, saved_vectors(k0)
+                jr      k1
                nop
 1:
                move    k0, sp
diff --git a/arch/mips/kernel/module.c b/arch/mips/kernel/module.c
index e54a7f442f8a..d7bf0215bc1d 100644
--- a/arch/mips/kernel/module.c
+++ b/arch/mips/kernel/module.c
@@ -288,6 +288,9 @@ int apply_relocate(Elf_Shdr *sechdrs, const char *strtab,
                sym = (Elf_Sym *)sechdrs[symindex].sh_addr
                        + ELF_MIPS_R_SYM(rel[i]);
                if (!sym->st_value) {
+                        /* Ignore unresolved weak symbol */
+                        if (ELF_ST_BIND(sym->st_info) == STB_WEAK)
+                                continue;
                        printk(KERN_WARNING "%s: Unknown symbol %s\n",
                               me->name, strtab + sym->st_name);
                        return -ENOENT;
@@ -325,6 +328,9 @@ int apply_relocate_add(Elf_Shdr *sechdrs, const char *strtab,
                sym = (Elf_Sym *)sechdrs[symindex].sh_addr
                        + ELF_MIPS_R_SYM(rel[i]);
                if (!sym->st_value) {
+                        /* Ignore unresolved weak symbol */
+                        if (ELF_ST_BIND(sym->st_info) == STB_WEAK)
+                                continue;
                        printk(KERN_WARNING "%s: Unknown symbol %s\n",
                               me->name, strtab + sym->st_name);
                        return -ENOENT;
diff --git a/arch/mips/kernel/proc.c b/arch/mips/kernel/proc.c
index 84ab959f924a..9def554f335b 100644
--- a/arch/mips/kernel/proc.c
+++ b/arch/mips/kernel/proc.c
@@ -42,6 +42,7 @@ static const char *cpu_name[] = {
        [CPU_R8000]     = "R8000",
        [CPU_R10000]    = "R10000",
        [CPU_R12000]    = "R12000",
+        [CPU_R14000]    = "R14000",
        [CPU_R4300]     = "R4300",
        [CPU_R4650]     = "R4650",
        [CPU_R4700]     = "R4700",
@@ -74,6 +75,7 @@ static const char *cpu_name[] = {
        [CPU_24K]       = "MIPS 24K",
        [CPU_25KF]      = "MIPS 25Kf",
        [CPU_34K]       = "MIPS 34K",
+        [CPU_74K]       = "MIPS 74K",
        [CPU_VR4111]    = "NEC VR4111",
        [CPU_VR4121]    = "NEC VR4121",
        [CPU_VR4122]    = "NEC VR4122",
diff --git a/arch/mips/kernel/scall64-o32.S b/arch/mips/kernel/scall64-o32.S
index b53a9207f530..8efb23a84131 100644
--- a/arch/mips/kernel/scall64-o32.S
+++ b/arch/mips/kernel/scall64-o32.S
@@ -209,7 +209,7 @@ sys_call_table:
        PTR     sys_fork
        PTR     sys_read
        PTR     sys_write
-        PTR     sys_open                        /* 4005 */
+        PTR     compat_sys_open                 /* 4005 */
        PTR     sys_close
        PTR     sys_waitpid
        PTR     sys_creat
diff --git a/arch/mips/kernel/setup.c b/arch/mips/kernel/setup.c
index bcf1b10e518f..397a70e651b5 100644
--- a/arch/mips/kernel/setup.c
+++ b/arch/mips/kernel/setup.c
@@ -246,7 +246,7 @@ static inline int parse_rd_cmdline(unsigned long* rd_start, unsigned long* rd_en
 #ifdef CONFIG_64BIT
        /* HACK: Guess if the sign extension was forgotten */
        if (start > 0x0000000080000000 && start < 0x00000000ffffffff)
-                start |= 0xffffffff00000000;
+                start |= 0xffffffff00000000UL;
 #endif
        end = start + size;
@@ -355,8 +355,6 @@ static inline void bootmem_init(void)
        }
 #endif
-        memory_present(0, first_usable_pfn, max_low_pfn);
        /* Initialize the boot-time allocator with low memory only.  */
        bootmap_size = init_bootmem(first_usable_pfn, max_low_pfn);
@@ -410,6 +408,7 @@ static inline void bootmem_init(void)
                /* Register lowmem ranges */
                free_bootmem(PFN_PHYS(curr_pfn), PFN_PHYS(size));
+                memory_present(0, curr_pfn, curr_pfn + size - 1);
        }
        /* Reserve the bootmap memory.  */
@@ -419,17 +418,20 @@ static inline void bootmem_init(void)
 #ifdef CONFIG_BLK_DEV_INITRD
        initrd_below_start_ok = 1;
        if (initrd_start) {
-                unsigned long initrd_size = ((unsigned char *)initrd_end) - ((unsigned char *)initrd_start);
+                unsigned long initrd_size = ((unsigned char *)initrd_end) -
+                        ((unsigned char *)initrd_start);
+                const int width = sizeof(long) * 2;
                printk("Initial ramdisk at: 0x%p (%lu bytes)\n",
                       (void *)initrd_start, initrd_size);
                if (CPHYSADDR(initrd_end) > PFN_PHYS(max_low_pfn)) {
                        printk("initrd extends beyond end of memory "
                               "(0x%0*Lx > 0x%0*Lx)\ndisabling initrd\n",
-                               sizeof(long) * 2,
+                               width,
-                               (unsigned long long)CPHYSADDR(initrd_end),
+                               (unsigned long long) CPHYSADDR(initrd_end),
-                               sizeof(long) * 2,
+                               width,
-                               (unsigned long long)PFN_PHYS(max_low_pfn));
+                               (unsigned long long) PFN_PHYS(max_low_pfn));
                        initrd_start = initrd_end = 0;
                        initrd_reserve_bootmem = 0;
                }
diff --git a/arch/mips/kernel/signal-common.h b/arch/mips/kernel/signal-common.h
index 3ca786215d48..ce6cb915c0a7 100644
--- a/arch/mips/kernel/signal-common.h
+++ b/arch/mips/kernel/signal-common.h
@@ -31,7 +31,6 @@ setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
        save_gp_reg(31);
 #undef save_gp_reg
-#ifdef CONFIG_32BIT
        err |= __put_user(regs->hi, &sc->sc_mdhi);
        err |= __put_user(regs->lo, &sc->sc_mdlo);
        if (cpu_has_dsp) {
@@ -43,20 +42,6 @@ setup_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
                err |= __put_user(mflo3(), &sc->sc_lo3);
                err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
        }
-#endif
-#ifdef CONFIG_64BIT
-        err |= __put_user(regs->hi, &sc->sc_hi[0]);
-        err |= __put_user(regs->lo, &sc->sc_lo[0]);
-        if (cpu_has_dsp) {
-                err |= __put_user(mfhi1(), &sc->sc_hi[1]);
-                err |= __put_user(mflo1(), &sc->sc_lo[1]);
-                err |= __put_user(mfhi2(), &sc->sc_hi[2]);
-                err |= __put_user(mflo2(), &sc->sc_lo[2]);
-                err |= __put_user(mfhi3(), &sc->sc_hi[3]);
-                err |= __put_user(mflo3(), &sc->sc_lo[3]);
-                err |= __put_user(rddsp(DSP_MASK), &sc->sc_dsp);
-        }
-#endif
        err |= __put_user(!!used_math(), &sc->sc_used_math);
@@ -92,7 +77,6 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
        current_thread_info()->restart_block.fn = do_no_restart_syscall;
        err |= __get_user(regs->cp0_epc, &sc->sc_pc);
-#ifdef CONFIG_32BIT
        err |= __get_user(regs->hi, &sc->sc_mdhi);
        err |= __get_user(regs->lo, &sc->sc_mdlo);
        if (cpu_has_dsp) {
@@ -104,20 +88,6 @@ restore_sigcontext(struct pt_regs *regs, struct sigcontext __user *sc)
                err |= __get_user(treg, &sc->sc_lo3); mtlo3(treg);
                err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);
        }
-#endif
-#ifdef CONFIG_64BIT
-        err |= __get_user(regs->hi, &sc->sc_hi[0]);
-        err |= __get_user(regs->lo, &sc->sc_lo[0]);
-        if (cpu_has_dsp) {
-                err |= __get_user(treg, &sc->sc_hi[1]); mthi1(treg);
-                err |= __get_user(treg, &sc->sc_lo[1]); mthi1(treg);
-                err |= __get_user(treg, &sc->sc_hi[2]); mthi2(treg);
-                err |= __get_user(treg, &sc->sc_lo[2]); mthi2(treg);
-                err |= __get_user(treg, &sc->sc_hi[3]); mthi3(treg);
-                err |= __get_user(treg, &sc->sc_lo[3]); mthi3(treg);
-                err |= __get_user(treg, &sc->sc_dsp); wrdsp(treg, DSP_MASK);
-        }
-#endif
 #define restore_gp_reg(i) do {                                          \
        err |= __get_user(regs->regs[i], &sc->sc_regs[i]);              \
diff --git a/arch/mips/kernel/smp.c b/arch/mips/kernel/smp.c
index d42f358754ad..298f82fe8440 100644
--- a/arch/mips/kernel/smp.c
+++ b/arch/mips/kernel/smp.c
@@ -247,6 +247,9 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
        current_thread_info()->cpu = 0;
        smp_tune_scheduling();
        plat_prepare_cpus(max_cpus);
+#ifndef CONFIG_HOTPLUG_CPU
+        cpu_present_map = cpu_possible_map;
+#endif
 }
 /* preload SMP state for boot cpu */
@@ -442,7 +445,7 @@ static int __init topology_init(void)
        int cpu;
        int ret;
-        for_each_cpu(cpu) {
+        for_each_present_cpu(cpu) {
                ret = register_cpu(&per_cpu(cpu_devices, cpu), cpu, NULL);
                if (ret)
                        printk(KERN_WARNING "topology_init: register_cpu %d "
diff --git a/arch/mips/kernel/syscall.c b/arch/mips/kernel/syscall.c
index 2aeaa2fd4b32..5e8a18a8e2bd 100644
--- a/arch/mips/kernel/syscall.c
+++ b/arch/mips/kernel/syscall.c
@@ -276,31 +276,9 @@ void sys_set_thread_area(unsigned long addr)
 asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
 {
-        int     tmp, len;
+        int     tmp;
-        char    __user *name;
        switch(cmd) {
-        case SETNAME: {
-                char nodename[__NEW_UTS_LEN + 1];
-                if (!capable(CAP_SYS_ADMIN))
-                        return -EPERM;
-                name = (char __user *) arg1;
-                len = strncpy_from_user(nodename, name, __NEW_UTS_LEN);
-                if (len < 0)
-                        return -EFAULT;
-                down_write(&uts_sem);
-                strncpy(system_utsname.nodename, nodename, len);
-                nodename[__NEW_UTS_LEN] = '\0';
-                strlcpy(system_utsname.nodename, nodename,
-                        sizeof(system_utsname.nodename));
-                up_write(&uts_sem);
-                return 0;
-        }
        case MIPS_ATOMIC_SET:
                printk(KERN_CRIT "How did I get here?\n");
                return -EINVAL;
@@ -313,9 +291,6 @@ asmlinkage int _sys_sysmips(int cmd, long arg1, int arg2, int arg3)
        case FLUSH_CACHE:
                __flush_cache_all();
                return 0;
-        case MIPS_RDNVRAM:
-                return -EIO;
        }
        return -EINVAL;
diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c
index 4901f0a37fca..a7564b08eb4d 100644
--- a/arch/mips/kernel/traps.c
+++ b/arch/mips/kernel/traps.c
@@ -819,15 +819,30 @@ asmlinkage void do_watch(struct pt_regs *regs)
 asmlinkage void do_mcheck(struct pt_regs *regs)
 {
+        const int field = 2 * sizeof(unsigned long);
+        int multi_match = regs->cp0_status & ST0_TS;
        show_regs(regs);
-        dump_tlb_all();
+        if (multi_match) {
+                printk("Index   : %0x\n", read_c0_index());
+                printk("Pagemask: %0x\n", read_c0_pagemask());
+                printk("EntryHi : %0*lx\n", field, read_c0_entryhi());
+                printk("EntryLo0: %0*lx\n", field, read_c0_entrylo0());
+                printk("EntryLo1: %0*lx\n", field, read_c0_entrylo1());
+                printk("\n");
+                dump_tlb_all();
+        }
+        show_code((unsigned int *) regs->cp0_epc);
        /*
         * Some chips may have other causes of machine check (e.g. SB1
         * graduation timer)
         */
        panic("Caught Machine Check exception - %scaused by multiple "
              "matching entries in the TLB.",
-              (regs->cp0_status & ST0_TS) ? "" : "not ");
+              (multi_match) ? "" : "not ");
 }
 asmlinkage void do_mt(struct pt_regs *regs)
@@ -902,6 +917,7 @@ static inline void parity_protection_init(void)
 {
        switch (current_cpu_data.cputype) {
        case CPU_24K:
+        case CPU_34K:
        case CPU_5KC:
                write_c0_ecc(0x80000000);
                back_to_back_c0_hazard();
diff --git a/arch/mips/kernel/vmlinux.lds.S b/arch/mips/kernel/vmlinux.lds.S
index 14fa00e3cdfa..b84d1f9ce28e 100644
--- a/arch/mips/kernel/vmlinux.lds.S
+++ b/arch/mips/kernel/vmlinux.lds.S
@@ -151,23 +151,13 @@ SECTIONS
  /* This is the MIPS specific mdebug section.  */
  .mdebug : { *(.mdebug) }
-  /* These are needed for ELF backends which have not yet been
-     converted to the new style linker.  */
+  STABS_DEBUG
-  .stab 0 : { *(.stab) }
-  .stabstr 0 : { *(.stabstr) }
+  DWARF_DEBUG
-  /* DWARF debug sections.
-     Symbols in the .debug DWARF section are relative to the beginning of the
-     section so we begin .debug at 0.  It's not clear yet what needs to happen
-     for the others.   */
-  .debug          0 : { *(.debug) }
-  .debug_srcinfo  0 : { *(.debug_srcinfo) }
-  .debug_aranges  0 : { *(.debug_aranges) }
-  .debug_pubnames 0 : { *(.debug_pubnames) }
-  .debug_sfnames  0 : { *(.debug_sfnames) }
-  .line           0 : { *(.line) }
  /* These must appear regardless of  .  */
  .gptab.sdata : { *(.gptab.data) *(.gptab.sdata) }
  .gptab.sbss : { *(.gptab.bss) *(.gptab.sbss) }
-  .comment : { *(.comment) }
  .note : { *(.note) }
 }
diff --git a/arch/mips/math-emu/dp_fint.c b/arch/mips/math-emu/dp_fint.c
index a1962eb460f8..39a71de16f47 100644
--- a/arch/mips/math-emu/dp_fint.c
+++ b/arch/mips/math-emu/dp_fint.c
@@ -29,7 +29,9 @@
 ieee754dp ieee754dp_fint(int x)
 {
-        COMPXDP;
+        u64 xm;
+        int xe;
+        int xs;
        CLEARCX;
diff --git a/arch/mips/math-emu/dp_flong.c b/arch/mips/math-emu/dp_flong.c
index eae90a866aa1..f08f223e488a 100644
--- a/arch/mips/math-emu/dp_flong.c
+++ b/arch/mips/math-emu/dp_flong.c
@@ -29,7 +29,9 @@
 ieee754dp ieee754dp_flong(s64 x)
 {
-        COMPXDP;
+        u64 xm;
+        int xe;
+        int xs;
        CLEARCX;
diff --git a/arch/mips/math-emu/sp_fint.c b/arch/mips/math-emu/sp_fint.c
index 7aac13afb09a..e88e125e01c2 100644
--- a/arch/mips/math-emu/sp_fint.c
+++ b/arch/mips/math-emu/sp_fint.c
@@ -29,7 +29,9 @@
 ieee754sp ieee754sp_fint(int x)
 {
-        COMPXSP;
+        unsigned xm;
+        int xe;
+        int xs;
        CLEARCX;
diff --git a/arch/mips/math-emu/sp_flong.c b/arch/mips/math-emu/sp_flong.c
index 3d6c1d11c178..26d6919a269a 100644
--- a/arch/mips/math-emu/sp_flong.c
+++ b/arch/mips/math-emu/sp_flong.c
@@ -29,7 +29,9 @@
 ieee754sp ieee754sp_flong(s64 x)
 {
-        COMPXDP;                /* <--- need 64-bit mantissa temp */
+        u64 xm;         /* <--- need 64-bit mantissa temp */
+        int xe;
+        int xs;
        CLEARCX;
diff --git a/arch/mips/mm/c-r4k.c b/arch/mips/mm/c-r4k.c
index 4182e1176fae..4a43924cd4fc 100644
--- a/arch/mips/mm/c-r4k.c
+++ b/arch/mips/mm/c-r4k.c
@@ -29,6 +29,27 @@
 #include <asm/war.h>
 #include <asm/cacheflush.h> /* for run_uncached() */
+/*
+ * Special Variant of smp_call_function for use by cache functions:
+ *
+ *  o No return value
+ *  o collapses to normal function call on UP kernels
+ *  o collapses to normal function call on systems with a single shared
+ *    primary cache.
+ */
+static inline void r4k_on_each_cpu(void (*func) (void *info), void *info,
+                                   int retry, int wait)
+{
+        preempt_disable();
+#if !defined(CONFIG_MIPS_MT_SMP) && !defined(CONFIG_MIPS_MT_SMTC)
+        smp_call_function(func, info, retry, wait);
+#endif
+        func(info);
+        preempt_enable();
+}
 /*
 * Must die.
 */
@@ -299,7 +320,7 @@ static void r4k_flush_cache_all(void)
        if (!cpu_has_dc_aliases)
                return;
-        on_each_cpu(local_r4k_flush_cache_all, NULL, 1, 1);
+        r4k_on_each_cpu(local_r4k_flush_cache_all, NULL, 1, 1);
 }
 static inline void local_r4k___flush_cache_all(void * args)
@@ -314,13 +335,14 @@ static inline void local_r4k___flush_cache_all(void * args)
        case CPU_R4400MC:
        case CPU_R10000:
        case CPU_R12000:
+        case CPU_R14000:
                r4k_blast_scache();
        }
 }
 static void r4k___flush_cache_all(void)
 {
-        on_each_cpu(local_r4k___flush_cache_all, NULL, 1, 1);
+        r4k_on_each_cpu(local_r4k___flush_cache_all, NULL, 1, 1);
 }
 static inline void local_r4k_flush_cache_range(void * args)
@@ -341,7 +363,7 @@ static inline void local_r4k_flush_cache_range(void * args)
 static void r4k_flush_cache_range(struct vm_area_struct *vma,
        unsigned long start, unsigned long end)
 {
-        on_each_cpu(local_r4k_flush_cache_range, vma, 1, 1);
+        r4k_on_each_cpu(local_r4k_flush_cache_range, vma, 1, 1);
 }
 static inline void local_r4k_flush_cache_mm(void * args)
@@ -370,7 +392,7 @@ static void r4k_flush_cache_mm(struct mm_struct *mm)
        if (!cpu_has_dc_aliases)
                return;
-        on_each_cpu(local_r4k_flush_cache_mm, mm, 1, 1);
+        r4k_on_each_cpu(local_r4k_flush_cache_mm, mm, 1, 1);
 }
 struct flush_cache_page_args {
@@ -461,7 +483,7 @@ static void r4k_flush_cache_page(struct vm_area_struct *vma,
        args.addr = addr;
        args.pfn = pfn;
-        on_each_cpu(local_r4k_flush_cache_page, &args, 1, 1);
+        r4k_on_each_cpu(local_r4k_flush_cache_page, &args, 1, 1);
 }
 static inline void local_r4k_flush_data_cache_page(void * addr)
@@ -471,7 +493,7 @@ static inline void local_r4k_flush_data_cache_page(void * addr)
 static void r4k_flush_data_cache_page(unsigned long addr)
 {
-        on_each_cpu(local_r4k_flush_data_cache_page, (void *) addr, 1, 1);
+        r4k_on_each_cpu(local_r4k_flush_data_cache_page, (void *) addr, 1, 1);
 }
 struct flush_icache_range_args {
@@ -514,7 +536,7 @@ static void r4k_flush_icache_range(unsigned long start, unsigned long end)
        args.start = start;
        args.end = end;
-        on_each_cpu(local_r4k_flush_icache_range, &args, 1, 1);
+        r4k_on_each_cpu(local_r4k_flush_icache_range, &args, 1, 1);
        instruction_hazard();
 }
@@ -590,7 +612,7 @@ static void r4k_flush_icache_page(struct vm_area_struct *vma,
        args.vma = vma;
        args.page = page;
-        on_each_cpu(local_r4k_flush_icache_page, &args, 1, 1);
+        r4k_on_each_cpu(local_r4k_flush_icache_page, &args, 1, 1);
 }
@@ -689,7 +711,7 @@ static void local_r4k_flush_cache_sigtramp(void * arg)
 static void r4k_flush_cache_sigtramp(unsigned long addr)
 {
-        on_each_cpu(local_r4k_flush_cache_sigtramp, (void *) addr, 1, 1);
+        r4k_on_each_cpu(local_r4k_flush_cache_sigtramp, (void *) addr, 1, 1);
 }
 static void r4k_flush_icache_all(void)
@@ -812,6 +834,7 @@ static void __init probe_pcache(void)
        case CPU_R10000:
        case CPU_R12000:
+        case CPU_R14000:
                icache_size = 1 << (12 + ((config & R10K_CONF_IC) >> 29));
                c->icache.linesz = 64;
                c->icache.ways = 2;
@@ -965,9 +988,11 @@ static void __init probe_pcache(void)
                c->dcache.flags |= MIPS_CACHE_PINDEX;
        case CPU_R10000:
        case CPU_R12000:
+        case CPU_R14000:
        case CPU_SB1:
                break;
        case CPU_24K:
+        case CPU_34K:
                if (!(read_c0_config7() & (1 << 16)))
        default:
                        if (c->dcache.waysize > PAGE_SIZE)
@@ -1091,6 +1116,7 @@ static void __init setup_scache(void)
        case CPU_R10000:
        case CPU_R12000:
+        case CPU_R14000:
                scache_size = 0x80000 << ((config & R10K_CONF_SS) >> 16);
                c->scache.linesz = 64 << ((config >> 13) & 1);
                c->scache.ways = 2;
@@ -1135,6 +1161,31 @@ static void __init setup_scache(void)
        c->options |= MIPS_CPU_SUBSET_CACHES;
 }
+void au1x00_fixup_config_od(void)
+{
+        /*
+         * c0_config.od (bit 19) was write only (and read as 0)
+         * on the early revisions of Alchemy SOCs.  It disables the bus
+         * transaction overlapping and needs to be set to fix various errata.
+         */
+        switch (read_c0_prid()) {
+        case 0x00030100: /* Au1000 DA */
+        case 0x00030201: /* Au1000 HA */
+        case 0x00030202: /* Au1000 HB */
+        case 0x01030200: /* Au1500 AB */
+        /*
+         * Au1100 errata actually keeps silence about this bit, so we set it
+         * just in case for those revisions that require it to be set according
+         * to arch/mips/au1000/common/cputable.c
+         */
+        case 0x02030200: /* Au1100 AB */
+        case 0x02030201: /* Au1100 BA */
+        case 0x02030202: /* Au1100 BC */
+                set_c0_config(1 << 19);
+                break;
+        }
+}
 static inline void coherency_setup(void)
 {
        change_c0_config(CONF_CM_CMASK, CONF_CM_DEFAULT);
@@ -1155,6 +1206,15 @@ static inline void coherency_setup(void)
        case CPU_R4400MC:
                clear_c0_config(CONF_CU);
                break;
+        /*
+         * We need to catch the ealry Alchemy SOCs with
+         * the write-only co_config.od bit and set it back to one...
+         */
+        case CPU_AU1000: /* rev. DA, HA, HB */
+        case CPU_AU1100: /* rev. AB, BA, BC ?? */
+        case CPU_AU1500: /* rev. AB */
+                au1x00_fixup_config_od();
+                break;
        }
 }
diff --git a/arch/mips/mm/init.c b/arch/mips/mm/init.c
index c22308b93ff0..33f6e1cdfd5b 100644
--- a/arch/mips/mm/init.c
+++ b/arch/mips/mm/init.c
@@ -227,7 +227,7 @@ void __init mem_init(void)
        for (tmp = 0; tmp < max_low_pfn; tmp++)
                if (page_is_ram(tmp)) {
                        ram++;
-                        if (PageReserved(mem_map+tmp))
+                        if (PageReserved(pfn_to_page(tmp)))
                                reservedpages++;
                }
diff --git a/arch/mips/mm/pg-r4k.c b/arch/mips/mm/pg-r4k.c
index e4390dc3eb48..b7c749232ffe 100644
--- a/arch/mips/mm/pg-r4k.c
+++ b/arch/mips/mm/pg-r4k.c
@@ -357,6 +357,7 @@ void __init build_clear_page(void)
                case CPU_R10000:
                case CPU_R12000:
+                case CPU_R14000:
                        pref_src_mode = Pref_LoadStreamed;
                        pref_dst_mode = Pref_StoreStreamed;
                        break;
diff --git a/arch/mips/mm/tlbex.c b/arch/mips/mm/tlbex.c
index 053dbacac56b..54507be2ab5b 100644
--- a/arch/mips/mm/tlbex.c
+++ b/arch/mips/mm/tlbex.c
@@ -875,6 +875,7 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
        case CPU_R10000:
        case CPU_R12000:
+        case CPU_R14000:
        case CPU_4KC:
        case CPU_SB1:
        case CPU_SB1A:
@@ -906,6 +907,7 @@ static __init void build_tlb_write_entry(u32 **p, struct label **l,
        case CPU_4KEC:
        case CPU_24K:
        case CPU_34K:
+        case CPU_74K:
                i_ehb(p);
                tlbw(p);
                break;
diff --git a/arch/mips/momentum/jaguar_atx/dbg_io.c b/arch/mips/momentum/jaguar_atx/dbg_io.c
index 542eac82b63c..d7dea0a136aa 100644
--- a/arch/mips/momentum/jaguar_atx/dbg_io.c
+++ b/arch/mips/momentum/jaguar_atx/dbg_io.c
@@ -73,7 +73,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
        /* disable interrupts */
        UART16550_WRITE(OFS_INTR_ENABLE, 0);
-        /* set up buad rate */
+        /* set up baud rate */
        {
                uint32 divisor;
diff --git a/arch/mips/momentum/ocelot_c/dbg_io.c b/arch/mips/momentum/ocelot_c/dbg_io.c
index 8720bccfdea2..f0a6a38fcf4d 100644
--- a/arch/mips/momentum/ocelot_c/dbg_io.c
+++ b/arch/mips/momentum/ocelot_c/dbg_io.c
@@ -73,7 +73,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
        /* disable interrupts */
        UART16550_WRITE(OFS_INTR_ENABLE, 0);
-        /* set up buad rate */
+        /* set up baud rate */
        {
                uint32 divisor;
diff --git a/arch/mips/momentum/ocelot_g/dbg_io.c b/arch/mips/momentum/ocelot_g/dbg_io.c
index 8720bccfdea2..f0a6a38fcf4d 100644
--- a/arch/mips/momentum/ocelot_g/dbg_io.c
+++ b/arch/mips/momentum/ocelot_g/dbg_io.c
@@ -73,7 +73,7 @@ void debugInit(uint32 baud, uint8 data, uint8 parity, uint8 stop)
        /* disable interrupts */
        UART16550_WRITE(OFS_INTR_ENABLE, 0);
-        /* set up buad rate */
+        /* set up baud rate */
        {
                uint32 divisor;
diff --git a/arch/mips/oprofile/common.c b/arch/mips/oprofile/common.c
index f2b4862aaae5..c31e4cff64e0 100644
--- a/arch/mips/oprofile/common.c
+++ b/arch/mips/oprofile/common.c
@@ -14,8 +14,8 @@
 #include "op_impl.h"
-extern struct op_mips_model op_model_mipsxx __attribute__((weak));
+extern struct op_mips_model op_model_mipsxx_ops __attribute__((weak));
-extern struct op_mips_model op_model_rm9000 __attribute__((weak));
+extern struct op_mips_model op_model_rm9000_ops __attribute__((weak));
 static struct op_mips_model *model;
@@ -80,13 +80,14 @@ int __init oprofile_arch_init(struct oprofile_operations *ops)
        case CPU_24K:
        case CPU_25KF:
        case CPU_34K:
+        case CPU_74K:
        case CPU_SB1:
        case CPU_SB1A:
-                lmodel = &op_model_mipsxx;
+                lmodel = &op_model_mipsxx_ops;
                break;
        case CPU_RM9000:
-                lmodel = &op_model_rm9000;
+                lmodel = &op_model_rm9000_ops;
                break;
        };
diff --git a/arch/mips/oprofile/op_model_mipsxx.c b/arch/mips/oprofile/op_model_mipsxx.c
index 95d488ca0754..f26a00e13204 100644
--- a/arch/mips/oprofile/op_model_mipsxx.c
+++ b/arch/mips/oprofile/op_model_mipsxx.c
@@ -23,7 +23,7 @@
 #define M_COUNTER_OVERFLOW              (1UL    << 31)
-struct op_mips_model op_model_mipsxx;
+struct op_mips_model op_model_mipsxx_ops;
 static struct mipsxx_register_config {
        unsigned int control[4];
@@ -34,7 +34,7 @@ static struct mipsxx_register_config {
 static void mipsxx_reg_setup(struct op_counter_config *ctr)
 {
-        unsigned int counters = op_model_mipsxx.num_counters;
+        unsigned int counters = op_model_mipsxx_ops.num_counters;
        int i;
        /* Compute the performance counter control word.  */
@@ -62,7 +62,7 @@ static void mipsxx_reg_setup(struct op_counter_config *ctr)
 static void mipsxx_cpu_setup (void *args)
 {
-        unsigned int counters = op_model_mipsxx.num_counters;
+        unsigned int counters = op_model_mipsxx_ops.num_counters;
        switch (counters) {
        case 4:
@@ -83,7 +83,7 @@ static void mipsxx_cpu_setup (void *args)
 /* Start all counters on current CPU */
 static void mipsxx_cpu_start(void *args)
 {
-        unsigned int counters = op_model_mipsxx.num_counters;
+        unsigned int counters = op_model_mipsxx_ops.num_counters;
        switch (counters) {
        case 4:
@@ -100,7 +100,7 @@ static void mipsxx_cpu_start(void *args)
 /* Stop all counters on current CPU */
 static void mipsxx_cpu_stop(void *args)
 {
-        unsigned int counters = op_model_mipsxx.num_counters;
+        unsigned int counters = op_model_mipsxx_ops.num_counters;
        switch (counters) {
        case 4:
@@ -116,7 +116,7 @@ static void mipsxx_cpu_stop(void *args)
 static int mipsxx_perfcount_handler(struct pt_regs *regs)
 {
-        unsigned int counters = op_model_mipsxx.num_counters;
+        unsigned int counters = op_model_mipsxx_ops.num_counters;
        unsigned int control;
        unsigned int counter;
        int handled = 0;
@@ -187,33 +187,37 @@ static int __init mipsxx_init(void)
        reset_counters(counters);
-        op_model_mipsxx.num_counters = counters;
+        op_model_mipsxx_ops.num_counters = counters;
        switch (current_cpu_data.cputype) {
        case CPU_20KC:
-                op_model_mipsxx.cpu_type = "mips/20K";
+                op_model_mipsxx_ops.cpu_type = "mips/20K";
                break;
        case CPU_24K:
-                op_model_mipsxx.cpu_type = "mips/24K";
+                op_model_mipsxx_ops.cpu_type = "mips/24K";
                break;
        case CPU_25KF:
-                op_model_mipsxx.cpu_type = "mips/25K";
+                op_model_mipsxx_ops.cpu_type = "mips/25K";
                break;
 #ifndef CONFIG_SMP
        case CPU_34K:
-                op_model_mipsxx.cpu_type = "mips/34K";
+                op_model_mipsxx_ops.cpu_type = "mips/34K";
+                break;
+        case CPU_74K:
+                op_model_mipsxx_ops.cpu_type = "mips/74K";
                break;
 #endif
        case CPU_5KC:
-                op_model_mipsxx.cpu_type = "mips/5K";
+                op_model_mipsxx_ops.cpu_type = "mips/5K";
                break;
        case CPU_SB1:
        case CPU_SB1A:
-                op_model_mipsxx.cpu_type = "mips/sb1";
+                op_model_mipsxx_ops.cpu_type = "mips/sb1";
                break;
        default:
@@ -229,12 +233,12 @@ static int __init mipsxx_init(void)
 static void mipsxx_exit(void)
 {
-        reset_counters(op_model_mipsxx.num_counters);
+        reset_counters(op_model_mipsxx_ops.num_counters);
        perf_irq = null_perf_irq;
 }
-struct op_mips_model op_model_mipsxx = {
+struct op_mips_model op_model_mipsxx_ops = {
        .reg_setup      = mipsxx_reg_setup,
        .cpu_setup      = mipsxx_cpu_setup,
        .init           = mipsxx_init,
diff --git a/arch/mips/oprofile/op_model_rm9000.c b/arch/mips/oprofile/op_model_rm9000.c
index 9b75e41c78ef..b7063fefa65b 100644
--- a/arch/mips/oprofile/op_model_rm9000.c
+++ b/arch/mips/oprofile/op_model_rm9000.c
@@ -126,7 +126,7 @@ static void rm9000_exit(void)
        free_irq(rm9000_perfcount_irq, NULL);
 }
-struct op_mips_model op_model_rm9000 = {
+struct op_mips_model op_model_rm9000_ops = {
        .reg_setup      = rm9000_reg_setup,
        .cpu_setup      = rm9000_cpu_setup,
        .init           = rm9000_init,
diff --git a/arch/mips/sgi-ip32/ip32-irq.c b/arch/mips/sgi-ip32/ip32-irq.c
index de01c9815bdd..8ba08047d164 100644
--- a/arch/mips/sgi-ip32/ip32-irq.c
+++ b/arch/mips/sgi-ip32/ip32-irq.c
@@ -31,12 +31,12 @@
 /* issue a PIO read to make sure no PIO writes are pending */
 static void inline flush_crime_bus(void)
 {
-        volatile unsigned long junk = crime->control;
+        crime->control;
 }
 static void inline flush_mace_bus(void)
 {
-        volatile unsigned long junk = mace->perif.ctrl.misc;
+        mace->perif.ctrl.misc;
 }
 #undef DEBUG_IRQ
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 078fb5533541..f70bd090dacd 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -822,6 +822,7 @@ static void __init prom_send_capabilities(void)
                /* try calling the ibm,client-architecture-support method */
                if (call_prom_ret("call-method", 3, 2, &ret,
                                  ADDR("ibm,client-architecture-support"),
+                                  root,
                                  ADDR(ibm_architecture_vec)) == 0) {
                        /* the call exists... */
                        if (ret)
@@ -1622,6 +1623,15 @@ static int __init prom_find_machine_type(void)
                        if (strstr(p, RELOC("Power Macintosh")) ||
                            strstr(p, RELOC("MacRISC")))
                                return PLATFORM_POWERMAC;
+#ifdef CONFIG_PPC64
+                        /* We must make sure we don't detect the IBM Cell
+                         * blades as pSeries due to some firmware issues,
+                         * so we do it here.
+                         */
+                        if (strstr(p, RELOC("IBM,CBEA")) ||
+                            strstr(p, RELOC("IBM,CPBW-1.0")))
+                                return PLATFORM_GENERIC;
+#endif /* CONFIG_PPC64 */
                        i += sl + 1;
                }
        }
@@ -1636,7 +1646,7 @@ static int __init prom_find_machine_type(void)
                           compat, sizeof(compat)-1);
        if (len <= 0)
                return PLATFORM_GENERIC;
-        if (strncmp(compat, RELOC("chrp"), 4))
+        if (strcmp(compat, RELOC("chrp")))
                return PLATFORM_GENERIC;
        /* Default to pSeries. We need to know if we are running LPAR */
@@ -2057,10 +2067,45 @@ static void __init flatten_device_tree(void)
 }
+#ifdef CONFIG_PPC_MAPLE
-static void __init fixup_device_tree(void)
+/* PIBS Version 1.05.0000 04/26/2005 has an incorrect /ht/isa/ranges property.
+ * The values are bad, and it doesn't even have the right number of cells. */
+static void __init fixup_device_tree_maple(void)
 {
+        phandle isa;
+        u32 isa_ranges[6];
+        isa = call_prom("finddevice", 1, 1, ADDR("/ht@0/isa@4"));
+        if (!PHANDLE_VALID(isa))
+                return;
+        if (prom_getprop(isa, "ranges", isa_ranges, sizeof(isa_ranges))
+                == PROM_ERROR)
+                return;
+        if (isa_ranges[0] != 0x1 ||
+                isa_ranges[1] != 0xf4000000 ||
+                isa_ranges[2] != 0x00010000)
+                return;
+        prom_printf("fixing up bogus ISA range on Maple...\n");
+        isa_ranges[0] = 0x1;
+        isa_ranges[1] = 0x0;
+        isa_ranges[2] = 0x01002000; /* IO space; PCI device = 4 */
+        isa_ranges[3] = 0x0;
+        isa_ranges[4] = 0x0;
+        isa_ranges[5] = 0x00010000;
+        prom_setprop(isa, "/ht@0/isa@4", "ranges",
+                        isa_ranges, sizeof(isa_ranges));
+}
+#else
+#define fixup_device_tree_maple()
+#endif
 #if defined(CONFIG_PPC64) && defined(CONFIG_PPC_PMAC)
+static void __init fixup_device_tree_pmac(void)
+{
        phandle u3, i2c, mpic;
        u32 u3_rev;
        u32 interrupts[2];
@@ -2097,9 +2142,16 @@ static void __init fixup_device_tree(void)
        parent = (u32)mpic;
        prom_setprop(i2c, "/u3@0,f8000000/i2c@f8001000", "interrupt-parent",
                     &parent, sizeof(parent));
-#endif
 }
+#else
+#define fixup_device_tree_pmac()
+#endif
+static void __init fixup_device_tree(void)
+{
+        fixup_device_tree_maple();
+        fixup_device_tree_pmac();
+}
 static void __init prom_find_boot_cpu(void)
 {
diff --git a/arch/powerpc/kernel/signal_32.c b/arch/powerpc/kernel/signal_32.c
index 01e3c08cb550..8fdeca2d4597 100644
--- a/arch/powerpc/kernel/signal_32.c
+++ b/arch/powerpc/kernel/signal_32.c
@@ -803,10 +803,13 @@ static int do_setcontext(struct ucontext __user *ucp, struct pt_regs *regs, int
                if (__get_user(cmcp, &ucp->uc_regs))
                        return -EFAULT;
                mcp = (struct mcontext __user *)(u64)cmcp;
+                /* no need to check access_ok(mcp), since mcp < 4GB */
        }
 #else
        if (__get_user(mcp, &ucp->uc_regs))
                return -EFAULT;
+        if (!access_ok(VERIFY_READ, mcp, sizeof(*mcp)))
+                return -EFAULT;
 #endif
        restore_sigmask(&set);
        if (restore_user_regs(regs, mcp, sig))
@@ -908,13 +911,14 @@ int sys_debug_setcontext(struct ucontext __user *ctx,
 {
        struct sig_dbg_op op;
        int i;
+        unsigned char tmp;
        unsigned long new_msr = regs->msr;
 #if defined(CONFIG_4xx) || defined(CONFIG_BOOKE)
        unsigned long new_dbcr0 = current->thread.dbcr0;
 #endif
        for (i=0; i<ndbg; i++) {
-                if (__copy_from_user(&op, dbg, sizeof(op)))
+                if (copy_from_user(&op, dbg + i, sizeof(op)))
                        return -EFAULT;
                switch (op.dbg_type) {
                case SIG_DBG_SINGLE_STEPPING:
@@ -959,6 +963,11 @@ int sys_debug_setcontext(struct ucontext __user *ctx,
        current->thread.dbcr0 = new_dbcr0;
 #endif
+        if (!access_ok(VERIFY_READ, ctx, sizeof(*ctx))
+            || __get_user(tmp, (u8 __user *) ctx)
+            || __get_user(tmp, (u8 __user *) (ctx + 1) - 1))
+                return -EFAULT;
        /*
         * If we get a fault copying the context into the kernel's
         * image of the user's registers, we can't just return -EFAULT
diff --git a/arch/powerpc/kernel/signal_64.c b/arch/powerpc/kernel/signal_64.c
index 27f65b95184d..c2db642f4cdd 100644
--- a/arch/powerpc/kernel/signal_64.c
+++ b/arch/powerpc/kernel/signal_64.c
@@ -182,6 +182,8 @@ static long restore_sigcontext(struct pt_regs *regs, sigset_t *set, int sig,
        err |= __get_user(msr, &sc->gp_regs[PT_MSR]);
        if (err)
                return err;
+        if (v_regs && !access_ok(VERIFY_READ, v_regs, 34 * sizeof(vector128)))
+                return -EFAULT;
        /* Copy 33 vec registers (vr0..31 and vscr) from the stack */
        if (v_regs != 0 && (msr & MSR_VEC) != 0)
                err |= __copy_from_user(current->thread.vr, v_regs,
diff --git a/arch/powerpc/kernel/systbl.S b/arch/powerpc/kernel/systbl.S
index cf56a1d499ff..26ed1f5ef16e 100644
--- a/arch/powerpc/kernel/systbl.S
+++ b/arch/powerpc/kernel/systbl.S
@@ -338,6 +338,8 @@ SYSCALL(symlinkat)
 SYSCALL(readlinkat)
 SYSCALL(fchmodat)
 SYSCALL(faccessat)
+COMPAT_SYS(get_robust_list)
+COMPAT_SYS(set_robust_list)
 /*
 * please add new calls to arch/powerpc/platforms/cell/spu_callbacks.c
diff --git a/arch/powerpc/platforms/cell/setup.c b/arch/powerpc/platforms/cell/setup.c
index 6574b22b3cf3..fd3e5609e3e0 100644
--- a/arch/powerpc/platforms/cell/setup.c
+++ b/arch/powerpc/platforms/cell/setup.c
@@ -125,14 +125,13 @@ static void __init cell_init_early(void)
 static int __init cell_probe(void)
 {
-        /* XXX This is temporary, the Cell maintainer will come up with
-         * more appropriate detection logic
-         */
        unsigned long root = of_get_flat_dt_root();
-        if (!of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
-                return 0;
-        return 1;
+        if (of_flat_dt_is_compatible(root, "IBM,CBEA") ||
+            of_flat_dt_is_compatible(root, "IBM,CPBW-1.0"))
+                return 1;
+        return 0;
 }
 /*
diff --git a/arch/powerpc/platforms/cell/spu_callbacks.c b/arch/powerpc/platforms/cell/spu_callbacks.c
index 95b36430aa0f..b47fcc5ddb78 100644
--- a/arch/powerpc/platforms/cell/spu_callbacks.c
+++ b/arch/powerpc/platforms/cell/spu_callbacks.c
@@ -258,6 +258,7 @@ void *spu_syscall_table[] = {
        [__NR_futex]                    sys_futex,
        [__NR_sched_setaffinity]        sys_sched_setaffinity,
        [__NR_sched_getaffinity]        sys_sched_getaffinity,
+        [224]                           sys_ni_syscall,
        [__NR_tuxcall]                  sys_ni_syscall,
        [226]                           sys_ni_syscall,
        [__NR_io_setup]                 sys_io_setup,
@@ -332,19 +333,21 @@ void *spu_syscall_table[] = {
        [__NR_readlinkat]               sys_readlinkat,
        [__NR_fchmodat]                 sys_fchmodat,
        [__NR_faccessat]                sys_faccessat,
+        [__NR_get_robust_list]          sys_get_robust_list,
+        [__NR_set_robust_list]          sys_set_robust_list,
 };
 long spu_sys_callback(struct spu_syscall_block *s)
 {
        long (*syscall)(u64 a1, u64 a2, u64 a3, u64 a4, u64 a5, u64 a6);
-        syscall = spu_syscall_table[s->nr_ret];
        if (s->nr_ret >= ARRAY_SIZE(spu_syscall_table)) {
                pr_debug("%s: invalid syscall #%ld", __FUNCTION__, s->nr_ret);
                return -ENOSYS;
        }
+        syscall = spu_syscall_table[s->nr_ret];
 #ifdef DEBUG
        print_symbol(KERN_DEBUG "SPU-syscall %s:", (unsigned long)syscall);
        printk("syscall%ld(%lx, %lx, %lx, %lx, %lx, %lx)\n",
diff --git a/arch/powerpc/platforms/powermac/low_i2c.c b/arch/powerpc/platforms/powermac/low_i2c.c
index df2343e1956b..c896ce83d412 100644
--- a/arch/powerpc/platforms/powermac/low_i2c.c
+++ b/arch/powerpc/platforms/powermac/low_i2c.c
@@ -1157,6 +1157,7 @@ EXPORT_SYMBOL_GPL(pmac_i2c_xfer);
 /* some quirks for platform function decoding */
 enum {
        pmac_i2c_quirk_invmask = 0x00000001u,
+        pmac_i2c_quirk_skip = 0x00000002u,
 };
 static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
@@ -1172,6 +1173,15 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
                /* XXX Study device-tree's & apple drivers are get the quirks
                 * right !
                 */
+                /* Workaround: It seems that running the clockspreading
+                 * properties on the eMac will cause lockups during boot.
+                 * The machine seems to work fine without that. So for now,
+                 * let's make sure i2c-hwclock doesn't match about "imic"
+                 * clocks and we'll figure out if we really need to do
+                 * something special about those later.
+                 */
+                { "i2c-hwclock", "imic5002", pmac_i2c_quirk_skip },
+                { "i2c-hwclock", "imic5003", pmac_i2c_quirk_skip },
                { "i2c-hwclock", NULL, pmac_i2c_quirk_invmask },
                { "i2c-cpu-voltage", NULL, 0},
                {  "temp-monitor", NULL, 0 },
@@ -1198,6 +1208,8 @@ static void pmac_i2c_devscan(void (*callback)(struct device_node *dev,
                                if (p->compatible &&
                                    !device_is_compatible(np, p->compatible))
                                        continue;
+                                if (p->quirks & pmac_i2c_quirk_skip)
+                                        break;
                                callback(np, p->quirks);
                                break;
                        }
diff --git a/arch/powerpc/platforms/powermac/pfunc_core.c b/arch/powerpc/platforms/powermac/pfunc_core.c
index 4baa75b1d36f..f08173b0f065 100644
--- a/arch/powerpc/platforms/powermac/pfunc_core.c
+++ b/arch/powerpc/platforms/powermac/pfunc_core.c
@@ -11,6 +11,7 @@
 #include <linux/kernel.h>
 #include <linux/spinlock.h>
 #include <linux/module.h>
+#include <linux/mutex.h>
 #include <asm/semaphore.h>
 #include <asm/prom.h>
@@ -546,6 +547,7 @@ struct pmf_device {
 static LIST_HEAD(pmf_devices);
 static spinlock_t pmf_lock = SPIN_LOCK_UNLOCKED;
+static DEFINE_MUTEX(pmf_irq_mutex);
 static void pmf_release_device(struct kref *kref)
 {
@@ -864,15 +866,17 @@ int pmf_register_irq_client(struct device_node *target,
        spin_lock_irqsave(&pmf_lock, flags);
        func = __pmf_find_function(target, name, PMF_FLAGS_INT_GEN);
-        if (func == NULL) {
+        if (func)
-                spin_unlock_irqrestore(&pmf_lock, flags);
+                func = pmf_get_function(func);
+        spin_unlock_irqrestore(&pmf_lock, flags);
+        if (func == NULL)
                return -ENODEV;
-        }
+        mutex_lock(&pmf_irq_mutex);
        if (list_empty(&func->irq_clients))
                func->dev->handlers->irq_enable(func);
        list_add(&client->link, &func->irq_clients);
        client->func = func;
-        spin_unlock_irqrestore(&pmf_lock, flags);
+        mutex_unlock(&pmf_irq_mutex);
        return 0;
 }
@@ -881,16 +885,16 @@ EXPORT_SYMBOL_GPL(pmf_register_irq_client);
 void pmf_unregister_irq_client(struct pmf_irq_client *client)
 {
        struct pmf_function *func = client->func;
-        unsigned long flags;
        BUG_ON(func == NULL);
-        spin_lock_irqsave(&pmf_lock, flags);
+        mutex_lock(&pmf_irq_mutex);
        client->func = NULL;
        list_del(&client->link);
        if (list_empty(&func->irq_clients))
                func->dev->handlers->irq_disable(func);
-        spin_unlock_irqrestore(&pmf_lock, flags);
+        mutex_unlock(&pmf_irq_mutex);
+        pmf_put_function(func);
 }
 EXPORT_SYMBOL_GPL(pmf_unregister_irq_client);
diff --git a/arch/powerpc/platforms/powermac/setup.c b/arch/powerpc/platforms/powermac/setup.c
index 4d15e396655c..b9200fb07815 100644
--- a/arch/powerpc/platforms/powermac/setup.c
+++ b/arch/powerpc/platforms/powermac/setup.c
@@ -463,11 +463,23 @@ static int pmac_pm_finish(suspend_state_t state)
        return 0;
 }
+static int pmac_pm_valid(suspend_state_t state)
+{
+        switch (state) {
+        case PM_SUSPEND_DISK:
+                return 1;
+        /* can't do any other states via generic mechanism yet */
+        default:
+                return 0;
+        }
+}
 static struct pm_ops pmac_pm_ops = {
        .pm_disk_mode   = PM_DISK_SHUTDOWN,
        .prepare        = pmac_pm_prepare,
        .enter          = pmac_pm_enter,
        .finish         = pmac_pm_finish,
+        .valid          = pmac_pm_valid,
 };
 #endif /* CONFIG_SOFTWARE_SUSPEND */
diff --git a/arch/powerpc/platforms/pseries/setup.c b/arch/powerpc/platforms/pseries/setup.c
index 5eb55ef1c91c..3ba87835757e 100644
--- a/arch/powerpc/platforms/pseries/setup.c
+++ b/arch/powerpc/platforms/pseries/setup.c
@@ -255,7 +255,7 @@ static int __init pSeries_init_panel(void)
 {
        /* Manually leave the kernel version on the panel. */
        ppc_md.progress("Linux ppc64\n", 0);
-        ppc_md.progress(system_utsname.version, 0);
+        ppc_md.progress(system_utsname.release, 0);
        return 0;
 }
@@ -389,6 +389,7 @@ static int __init pSeries_probe_hypertas(unsigned long node,
 static int __init pSeries_probe(void)
 {
+        unsigned long root = of_get_flat_dt_root();
        char *dtype = of_get_flat_dt_prop(of_get_flat_dt_root(),
                                          "device_type", NULL);
        if (dtype == NULL)
@@ -396,6 +397,13 @@ static int __init pSeries_probe(void)
        if (strcmp(dtype, "chrp"))
                return 0;
+        /* Cell blades firmware claims to be chrp while it's not. Until this
+         * is fixed, we need to avoid those here.
+         */
+        if (of_flat_dt_is_compatible(root, "IBM,CPBW-1.0") ||
+            of_flat_dt_is_compatible(root, "IBM,CBEA"))
+                return 0;
        DBG("pSeries detected, looking for LPAR capability...\n");
        /* Now try to figure out if we are running on LPAR */
diff --git a/arch/ppc/kernel/asm-offsets.c b/arch/ppc/kernel/asm-offsets.c
index cc7c4aea9397..2f5c5e157617 100644
--- a/arch/ppc/kernel/asm-offsets.c
+++ b/arch/ppc/kernel/asm-offsets.c
@@ -134,7 +134,7 @@ main(void)
        DEFINE(TI_TASK, offsetof(struct thread_info, task));
        DEFINE(TI_EXECDOMAIN, offsetof(struct thread_info, exec_domain));
        DEFINE(TI_FLAGS, offsetof(struct thread_info, flags));
-        DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, flags));
+        DEFINE(TI_LOCAL_FLAGS, offsetof(struct thread_info, local_flags));
        DEFINE(TI_CPU, offsetof(struct thread_info, cpu));
        DEFINE(TI_PREEMPT, offsetof(struct thread_info, preempt_count));
diff --git a/arch/ppc/platforms/mpc8272ads_setup.c b/arch/ppc/platforms/mpc8272ads_setup.c
index e62b75707f7a..abb7154de2c7 100644
--- a/arch/ppc/platforms/mpc8272ads_setup.c
+++ b/arch/ppc/platforms/mpc8272ads_setup.c
@@ -279,11 +279,11 @@ static int mpc8272ads_platform_notify(struct device *dev)
        static const struct platform_notify_dev_map dev_map[] = {
                {
                        .bus_id = "fsl-cpm-fcc",
-                        .rtn = mpc8272ads_fixup_enet_pdata
+                        .rtn = mpc8272ads_fixup_enet_pdata,
                },
                {
                        .bus_id = "fsl-cpm-scc:uart",
-                        .rtn = mpc
+                        .rtn = mpc8272ads_fixup_uart_pdata,
                },
                {
                        .bus_id = NULL
@@ -335,15 +335,15 @@ struct platform_device* early_uart_get_pdev(int index)
        struct platform_device* pdev = NULL;
        if(index) { /*assume SCC4 here*/
                pdev = &ppc_sys_platform_devices[MPC82xx_CPM_SCC4];
-                pinfo = &mpc8272<F12>_uart_pdata[1];
+                pinfo = &mpc8272_uart_pdata[fsid_scc4_uart];
        } else { /*over SCC1*/
                pdev = &ppc_sys_platform_devices[MPC82xx_CPM_SCC1];
-                pinfo = &mpc8272_uart_pdata[0];
+                pinfo = &mpc8272_uart_pdata[fsid_scc1_uart];
        }
        pinfo->uart_clk = bd->bi_intfreq;
        pdev->dev.platform_data = pinfo;
-        ppc_sys_fixup_mem_resource(pdev, IMAP_ADDR);
+        ppc_sys_fixup_mem_resource(pdev, CPM_MAP_ADDR);
        return NULL;
 }
diff --git a/arch/ppc/syslib/pq2_devices.c b/arch/ppc/syslib/pq2_devices.c
index 0636aed7b827..8692d00c08c4 100644
--- a/arch/ppc/syslib/pq2_devices.c
+++ b/arch/ppc/syslib/pq2_devices.c
@@ -121,13 +121,13 @@ struct platform_device ppc_sys_platform_devices[] = {
                .num_resources   = 3,
                .resource = (struct resource[]) {
                        {
-                                .name   = "scc_mem",
+                                .name   = "regs",
                                .start  = 0x11A00,
                                .end    = 0x11A1F,
                                .flags  = IORESOURCE_MEM,
                        },
                        {
-                                .name   = "scc_pram",
+                                .name   = "pram",
                                .start  = 0x8000,
                                .end    = 0x80ff,
                                .flags  = IORESOURCE_MEM,
@@ -145,13 +145,13 @@ struct platform_device ppc_sys_platform_devices[] = {
                .num_resources   = 3,
                .resource = (struct resource[]) {
                        {
-                                .name   = "scc_mem",
+                                .name   = "regs",
                                .start  = 0x11A20,
                                .end    = 0x11A3F,
                                .flags  = IORESOURCE_MEM,
                        },
                        {
-                                .name   = "scc_pram",
+                                .name   = "pram",
                                .start  = 0x8100,
                                .end    = 0x81ff,
                                .flags  = IORESOURCE_MEM,
@@ -169,13 +169,13 @@ struct platform_device ppc_sys_platform_devices[] = {
                .num_resources   = 3,
                .resource = (struct resource[]) {
                        {
-                                .name   = "scc_mem",
+                                .name   = "regs",
                                .start  = 0x11A40,
                                .end    = 0x11A5F,
                                .flags  = IORESOURCE_MEM,
                        },
                        {
-                                .name   = "scc_pram",
+                                .name   = "pram",
                                .start  = 0x8200,
                                .end    = 0x82ff,
                                .flags  = IORESOURCE_MEM,
@@ -193,13 +193,13 @@ struct platform_device ppc_sys_platform_devices[] = {
                .num_resources   = 3,
                .resource = (struct resource[]) {
                        {
-                                .name   = "scc_mem",
+                                .name   = "regs",
                                .start  = 0x11A60,
                                .end    = 0x11A7F,
                                .flags  = IORESOURCE_MEM,
                        },
                        {
-                                .name   = "scc_pram",
+                                .name   = "pram",
                                .start  = 0x8300,
                                .end    = 0x83ff,
                                .flags  = IORESOURCE_MEM,
diff --git a/arch/ppc/syslib/pq2_sys.c b/arch/ppc/syslib/pq2_sys.c
index 433b0fa203e1..fee8948162b9 100644
--- a/arch/ppc/syslib/pq2_sys.c
+++ b/arch/ppc/syslib/pq2_sys.c
@@ -139,13 +139,13 @@ struct ppc_sys_spec ppc_sys_specs[] = {
                .ppc_sys_name   = "8272",
                .mask           = 0x0000ff00,
                .value          = 0x00000c00,
-                .num_devices    = 11,
+                .num_devices    = 12,
                .device_list = (enum ppc_sys_devices[])
                {
                        MPC82xx_CPM_FCC1, MPC82xx_CPM_FCC2, MPC82xx_CPM_SCC1,
-                        MPC82xx_CPM_SCC2, MPC82xx_CPM_SCC3, MPC82xx_CPM_SMC1,
+                        MPC82xx_CPM_SCC2, MPC82xx_CPM_SCC3, MPC82xx_CPM_SCC4,
-                        MPC82xx_CPM_SMC2, MPC82xx_CPM_SPI, MPC82xx_CPM_I2C,
+                        MPC82xx_CPM_SMC1, MPC82xx_CPM_SMC2, MPC82xx_CPM_SPI,
-                        MPC82xx_CPM_USB, MPC82xx_SEC1,
+                        MPC82xx_CPM_I2C, MPC82xx_CPM_USB, MPC82xx_SEC1,
                },
        },
        /* below is a list of the 8280 family of processors */
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index ef5b9c44b86b..4d53b2739357 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1650,3 +1650,11 @@ sys_tee_wrapper:
        llgfr   %r4,%r4                 # size_t
        llgfr   %r5,%r5                 # unsigned int
        jg      sys_tee
+        .globl compat_sys_vmsplice_wrapper
+compat_sys_vmsplice_wrapper:
+        lgfr    %r2,%r2                 # int
+        llgtr   %r3,%r3                 # compat_iovec *
+        llgfr   %r4,%r4                 # unsigned int
+        llgfr   %r5,%r5                 # unsigned int
+        jg      compat_sys_vmsplice
diff --git a/arch/s390/kernel/syscalls.S b/arch/s390/kernel/syscalls.S
index fc2c0767202b..93be1d56c036 100644
--- a/arch/s390/kernel/syscalls.S
+++ b/arch/s390/kernel/syscalls.S
@@ -317,3 +317,4 @@ SYSCALL(sys_get_robust_list,sys_get_robust_list,compat_sys_get_robust_list_wrapp
 SYSCALL(sys_splice,sys_splice,sys_splice_wrapper)
 SYSCALL(sys_sync_file_range,sys_sync_file_range,sys_sync_file_range_wrapper)
 SYSCALL(sys_tee,sys_tee,sys_tee_wrapper)
+SYSCALL(sys_vmsplice,sys_vmsplice,compat_sys_vmsplice_wrapper)
diff --git a/arch/s390/kernel/time.c b/arch/s390/kernel/time.c
index fea043b69b91..2a6c6efb6865 100644
--- a/arch/s390/kernel/time.c
+++ b/arch/s390/kernel/time.c
@@ -249,18 +249,19 @@ static inline void stop_hz_timer(void)
        unsigned long flags;
        unsigned long seq, next;
        __u64 timer, todval;
+        int cpu = smp_processor_id();
        if (sysctl_hz_timer != 0)
                return;
-        cpu_set(smp_processor_id(), nohz_cpu_mask);
+        cpu_set(cpu, nohz_cpu_mask);
        /*
         * Leave the clock comparator set up for the next timer
         * tick if either rcu or a softirq is pending.
         */
-        if (rcu_pending(smp_processor_id()) || local_softirq_pending()) {
+        if (rcu_needs_cpu(cpu) || local_softirq_pending()) {
-                cpu_clear(smp_processor_id(), nohz_cpu_mask);
+                cpu_clear(cpu, nohz_cpu_mask);
                return;
        }
@@ -271,7 +272,7 @@ static inline void stop_hz_timer(void)
        next = next_timer_interrupt();
        do {
                seq = read_seqbegin_irqsave(&xtime_lock, flags);
-                timer = (__u64)(next - jiffies) + jiffies_64;
+                timer = ((__u64) next) - ((__u64) jiffies) + jiffies_64;
        } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
        todval = -1ULL;
        /* Be careful about overflows. */
diff --git a/arch/sparc/kernel/ioport.c b/arch/sparc/kernel/ioport.c
index 460f72e640e6..f9ff29734848 100644
--- a/arch/sparc/kernel/ioport.c
+++ b/arch/sparc/kernel/ioport.c
@@ -274,6 +274,11 @@ void *sbus_alloc_consistent(struct sbus_dev *sdev, long len, u32 *dma_addrp)
        if (mmu_map_dma_area(dma_addrp, va, res->start, len_total) != 0)
                goto err_noiommu;
+        /* Set the resource name, if known. */
+        if (sdev) {
+                res->name = sdev->prom_name;
+        }
        return (void *)res->start;
 err_noiommu:
diff --git a/arch/sparc/kernel/module.c b/arch/sparc/kernel/module.c
index 787d5f1347ec..598682f31ebf 100644
--- a/arch/sparc/kernel/module.c
+++ b/arch/sparc/kernel/module.c
@@ -113,6 +113,7 @@ int apply_relocate_add(Elf32_Shdr *sechdrs,
                switch (ELF32_R_TYPE(rel[i].r_info)) {
                case R_SPARC_32:
+                case R_SPARC_UA32:
                        location[0] = v >> 24;
                        location[1] = v >> 16;
                        location[2] = v >>  8;
diff --git a/arch/sparc/kernel/smp.c b/arch/sparc/kernel/smp.c
index a93f5da6855d..40b42c88e6a7 100644
--- a/arch/sparc/kernel/smp.c
+++ b/arch/sparc/kernel/smp.c
@@ -69,6 +69,17 @@ void __init smp_store_cpu_info(int id)
                                                     "clock-frequency", 0);
        cpu_data(id).prom_node = cpu_node;
        cpu_data(id).mid = cpu_get_hwmid(cpu_node);
+        /* this is required to tune the scheduler correctly */
+        /* is it possible to have CPUs with different cache sizes? */
+        if (id == boot_cpu_id) {
+                int cache_line,cache_nlines;
+                cache_line = 0x20;
+                cache_line = prom_getintdefault(cpu_node, "ecache-line-size", cache_line);
+                cache_nlines = 0x8000;
+                cache_nlines = prom_getintdefault(cpu_node, "ecache-nlines", cache_nlines);
+                max_cache_size = cache_line * cache_nlines;
+        }
        if (cpu_data(id).mid < 0)
                panic("No MID found for CPU%d at node 0x%08d", id, cpu_node);
 }
diff --git a/arch/sparc/kernel/sparc_ksyms.c b/arch/sparc/kernel/sparc_ksyms.c
index ec1c9687d679..4b376fae752c 100644
--- a/arch/sparc/kernel/sparc_ksyms.c
+++ b/arch/sparc/kernel/sparc_ksyms.c
@@ -251,19 +251,9 @@ EXPORT_SYMBOL(__prom_getchild);
 EXPORT_SYMBOL(__prom_getsibling);
 /* sparc library symbols */
-EXPORT_SYMBOL(memchr);
 EXPORT_SYMBOL(memscan);
 EXPORT_SYMBOL(strlen);
-EXPORT_SYMBOL(strnlen);
-EXPORT_SYMBOL(strcpy);
-EXPORT_SYMBOL(strncpy);
-EXPORT_SYMBOL(strcat);
-EXPORT_SYMBOL(strncat);
-EXPORT_SYMBOL(strcmp);
 EXPORT_SYMBOL(strncmp);
-EXPORT_SYMBOL(strchr);
-EXPORT_SYMBOL(strrchr);
-EXPORT_SYMBOL(strstr);
 EXPORT_SYMBOL(page_kernel);
 /* Special internal versions of library functions. */
@@ -317,6 +307,3 @@ EXPORT_SYMBOL(do_BUG);
 /* Sun Power Management Idle Handler */
 EXPORT_SYMBOL(pm_idle);
-/* Binfmt_misc needs this */
-EXPORT_SYMBOL(sys_close);
diff --git a/arch/sparc/kernel/systbls.S b/arch/sparc/kernel/systbls.S
index 6e1135cc03b0..2856551bddf1 100644
--- a/arch/sparc/kernel/systbls.S
+++ b/arch/sparc/kernel/systbls.S
@@ -79,6 +79,7 @@ sys_call_table:
 /*285*/ .long sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64
 /*290*/ .long sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
 /*295*/ .long sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare
+/*300*/ .long sys_set_robust_list, sys_get_robust_list
 #ifdef CONFIG_SUNOS_EMUL
        /* Now the SunOS syscall table. */
@@ -190,6 +191,6 @@ sunos_sys_table:
 /*290*/ .long sunos_nosys, sunos_nosys, sunos_nosys
        .long sunos_nosys, sunos_nosys, sunos_nosys
        .long sunos_nosys, sunos_nosys, sunos_nosys
-        .long sunos_nosys
+        .long sunos_nosys, sunos_nosys, sunos_nosys
 #endif
diff --git a/arch/sparc64/defconfig b/arch/sparc64/defconfig
index 1317380fa937..f09a70b8aabd 100644
--- a/arch/sparc64/defconfig
+++ b/arch/sparc64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16
+# Linux kernel version: 2.6.17-rc3
-# Sun Apr  2 19:31:04 2006
+# Fri May 12 12:43:49 2006
 #
 CONFIG_SPARC=y
 CONFIG_SPARC64=y
@@ -114,6 +114,7 @@ CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_HUGETLB_PAGE_SIZE_4MB=y
 # CONFIG_HUGETLB_PAGE_SIZE_512K is not set
 # CONFIG_HUGETLB_PAGE_SIZE_64K is not set
+CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_DEFAULT=y
 CONFIG_LARGE_ALLOCS=y
@@ -430,7 +431,6 @@ CONFIG_ISCSI_TCP=m
 # CONFIG_SCSI_INIA100 is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 # CONFIG_SCSI_QLOGICPTI is not set
 # CONFIG_SCSI_QLA_FC is not set
@@ -1042,9 +1042,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_ACECAD is not set
 # CONFIG_USB_KBTAB is not set
 # CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_MTOUCH is not set
+# CONFIG_USB_TOUCHSCREEN is not set
-# CONFIG_USB_ITMTOUCH is not set
-# CONFIG_USB_EGALAX is not set
 # CONFIG_USB_YEALINK is not set
 # CONFIG_USB_XPAD is not set
 # CONFIG_USB_ATI_REMOTE is not set
@@ -1115,6 +1113,14 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_NEW_LEDS is not set
 #
+# LED drivers
+#
+#
+# LED Triggers
+#
+#
 # InfiniBand support
 #
 # CONFIG_INFINIBAND is not set
@@ -1303,6 +1309,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_INFO is not set
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
+# CONFIG_UNWIND_INFO is not set
 CONFIG_FORCED_INLINING=y
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_DEBUG_STACK_USAGE is not set
diff --git a/arch/sparc64/kernel/head.S b/arch/sparc64/kernel/head.S
index 3eadac5e171e..31c5892f5acc 100644
--- a/arch/sparc64/kernel/head.S
+++ b/arch/sparc64/kernel/head.S
@@ -10,6 +10,7 @@
 #include <linux/config.h>
 #include <linux/version.h>
 #include <linux/errno.h>
+#include <linux/threads.h>
 #include <asm/thread_info.h>
 #include <asm/asi.h>
 #include <asm/pstate.h>
@@ -493,6 +494,35 @@ tlb_fixup_done:
        call    prom_init
         mov    %l7, %o0                        ! OpenPROM cif handler
+        /* Initialize current_thread_info()->cpu as early as possible.
+         * In order to do that accurately we have to patch up the get_cpuid()
+         * assembler sequences.  And that, in turn, requires that we know
+         * if we are on a Starfire box or not.  While we're here, patch up
+         * the sun4v sequences as well.
+         */
+        call    check_if_starfire
+         nop
+        call    per_cpu_patch
+         nop
+        call    sun4v_patch
+         nop
+#ifdef CONFIG_SMP
+        call    hard_smp_processor_id
+         nop
+        cmp     %o0, NR_CPUS
+        blu,pt  %xcc, 1f
+         nop
+        call    boot_cpu_id_too_large
+         nop
+        /* Not reached... */
+1:
+#else
+        mov     0, %o0
+#endif
+        stb     %o0, [%g6 + TI_CPU]
        /* Off we go.... */
        call    start_kernel
         nop
diff --git a/arch/sparc64/kernel/module.c b/arch/sparc64/kernel/module.c
index 6c83e372f75d..579871527699 100644
--- a/arch/sparc64/kernel/module.c
+++ b/arch/sparc64/kernel/module.c
@@ -143,6 +143,11 @@ int apply_relocate_add(Elf64_Shdr *sechdrs,
                        location[3] = v >>  0;
                        break;
+                case R_SPARC_DISP32:
+                        v -= (Elf64_Addr) location;
+                        *loc32 = v;
+                        break;
                case R_SPARC_WDISP30:
                        v -= (Elf64_Addr) location;
                        *loc32 = (*loc32 & ~0x3fffffff) |
diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c
index 8efbc139769d..82e5455134c6 100644
--- a/arch/sparc64/kernel/pci_iommu.c
+++ b/arch/sparc64/kernel/pci_iommu.c
@@ -218,7 +218,7 @@ static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx)
 * DMA for PCI device PDEV.  Return non-NULL cpu-side address if
 * successful and set *DMA_ADDRP to the PCI side dma address.
 */
-static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp)
+static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp, gfp_t gfp)
 {
        struct pcidev_cookie *pcp;
        struct pci_iommu *iommu;
@@ -232,7 +232,7 @@ static void *pci_4u_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr
        if (order >= 10)
                return NULL;
-        first_page = __get_free_pages(GFP_ATOMIC, order);
+        first_page = __get_free_pages(gfp, order);
        if (first_page == 0UL)
                return NULL;
        memset((char *)first_page, 0, PAGE_SIZE << order);
diff --git a/arch/sparc64/kernel/pci_sun4v.c b/arch/sparc64/kernel/pci_sun4v.c
index 9e94db2573a2..0c0895202970 100644
--- a/arch/sparc64/kernel/pci_sun4v.c
+++ b/arch/sparc64/kernel/pci_sun4v.c
@@ -154,7 +154,7 @@ static void pci_arena_free(struct pci_iommu_arena *arena, unsigned long base, un
                __clear_bit(i, arena->map);
 }
-static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp)
+static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_addrp, gfp_t gfp)
 {
        struct pcidev_cookie *pcp;
        struct pci_iommu *iommu;
@@ -169,7 +169,7 @@ static void *pci_4v_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr
        npages = size >> IO_PAGE_SHIFT;
-        first_page = __get_free_pages(GFP_ATOMIC, order);
+        first_page = __get_free_pages(gfp, order);
        if (unlikely(first_page == 0UL))
                return NULL;
@@ -599,18 +599,128 @@ struct pci_iommu_ops pci_sun4v_iommu_ops = {
 /* SUN4V PCI configuration space accessors. */
-static inline int pci_sun4v_out_of_range(struct pci_pbm_info *pbm, unsigned int bus, unsigned int device, unsigned int func)
+struct pdev_entry {
+        struct pdev_entry       *next;
+        u32                     devhandle;
+        unsigned int            bus;
+        unsigned int            device;
+        unsigned int            func;
+};
+#define PDEV_HTAB_SIZE  16
+#define PDEV_HTAB_MASK  (PDEV_HTAB_SIZE - 1)
+static struct pdev_entry *pdev_htab[PDEV_HTAB_SIZE];
+static inline unsigned int pdev_hashfn(u32 devhandle, unsigned int bus, unsigned int device, unsigned int func)
 {
-        if (bus == pbm->pci_first_busno) {
+        unsigned int val;
-                if (device == 0 && func == 0)
-                        return 0;
+        val = (devhandle ^ (devhandle >> 4));
-                return 1;
+        val ^= bus;
+        val ^= device;
+        val ^= func;
+        return val & PDEV_HTAB_MASK;
+}
+static int pdev_htab_add(u32 devhandle, unsigned int bus, unsigned int device, unsigned int func)
+{
+        struct pdev_entry *p = kmalloc(sizeof(*p), GFP_KERNEL);
+        struct pdev_entry **slot;
+        if (!p)
+                return -ENOMEM;
+        slot = &pdev_htab[pdev_hashfn(devhandle, bus, device, func)];
+        p->next = *slot;
+        *slot = p;
+        p->devhandle = devhandle;
+        p->bus = bus;
+        p->device = device;
+        p->func = func;
+        return 0;
+}
+/* Recursively descend into the OBP device tree, rooted at toplevel_node,
+ * looking for a PCI device matching bus and devfn.
+ */
+static int obp_find(struct linux_prom_pci_registers *pregs, int toplevel_node, unsigned int bus, unsigned int devfn)
+{
+        toplevel_node = prom_getchild(toplevel_node);
+        while (toplevel_node != 0) {
+                int ret = obp_find(pregs, toplevel_node, bus, devfn);
+                if (ret != 0)
+                        return ret;
+                ret = prom_getproperty(toplevel_node, "reg", (char *) pregs,
+                                       sizeof(*pregs) * PROMREG_MAX);
+                if (ret == 0 || ret == -1)
+                        goto next_sibling;
+                if (((pregs[0].phys_hi >> 16) & 0xff) == bus &&
+                    ((pregs[0].phys_hi >> 8) & 0xff) == devfn)
+                        break;
+        next_sibling:
+                toplevel_node = prom_getsibling(toplevel_node);
+        }
+        return toplevel_node;
+}
+static int pdev_htab_populate(struct pci_pbm_info *pbm)
+{
+        struct linux_prom_pci_registers pr[PROMREG_MAX];
+        u32 devhandle = pbm->devhandle;
+        unsigned int bus;
+        for (bus = pbm->pci_first_busno; bus <= pbm->pci_last_busno; bus++) {
+                unsigned int devfn;
+                for (devfn = 0; devfn < 256; devfn++) {
+                        unsigned int device = PCI_SLOT(devfn);
+                        unsigned int func = PCI_FUNC(devfn);
+                        if (obp_find(pr, pbm->prom_node, bus, devfn)) {
+                                int err = pdev_htab_add(devhandle, bus,
+                                                        device, func);
+                                if (err)
+                                        return err;
+                        }
+                }
+        }
+        return 0;
+}
+static struct pdev_entry *pdev_find(u32 devhandle, unsigned int bus, unsigned int device, unsigned int func)
+{
+        struct pdev_entry *p;
+        p = pdev_htab[pdev_hashfn(devhandle, bus, device, func)];
+        while (p) {
+                if (p->devhandle == devhandle &&
+                    p->bus == bus &&
+                    p->device == device &&
+                    p->func == func)
+                        break;
+                p = p->next;
        }
+        return p;
+}
+static inline int pci_sun4v_out_of_range(struct pci_pbm_info *pbm, unsigned int bus, unsigned int device, unsigned int func)
+{
        if (bus < pbm->pci_first_busno ||
            bus > pbm->pci_last_busno)
                return 1;
-        return 0;
+        return pdev_find(pbm->devhandle, bus, device, func) == NULL;
 }
 static int pci_sun4v_read_pci_cfg(struct pci_bus *bus_dev, unsigned int devfn,
@@ -1063,6 +1173,8 @@ static void pci_sun4v_pbm_init(struct pci_controller_info *p, int prom_node, u32
        pci_sun4v_get_bus_range(pbm);
        pci_sun4v_iommu_init(pbm);
+        pdev_htab_populate(pbm);
 }
 void sun4v_pci_init(int node, char *model_name)
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 005167f82419..9cf1c88cd774 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -220,7 +220,7 @@ char reboot_command[COMMAND_LINE_SIZE];
 static struct pt_regs fake_swapper_regs = { { 0, }, 0, 0, 0, 0 };
-static void __init per_cpu_patch(void)
+void __init per_cpu_patch(void)
 {
        struct cpuid_patch_entry *p;
        unsigned long ver;
@@ -280,7 +280,7 @@ static void __init per_cpu_patch(void)
        }
 }
-static void __init sun4v_patch(void)
+void __init sun4v_patch(void)
 {
        struct sun4v_1insn_patch_entry *p1;
        struct sun4v_2insn_patch_entry *p2;
@@ -315,6 +315,15 @@ static void __init sun4v_patch(void)
        }
 }
+#ifdef CONFIG_SMP
+void __init boot_cpu_id_too_large(int cpu)
+{
+        prom_printf("Serious problem, boot cpu id (%d) >= NR_CPUS (%d)\n",
+                    cpu, NR_CPUS);
+        prom_halt();
+}
+#endif
 void __init setup_arch(char **cmdline_p)
 {
        /* Initialize PROM console and command line. */
@@ -332,16 +341,6 @@ void __init setup_arch(char **cmdline_p)
        conswitchp = &prom_con;
 #endif
-        /* Work out if we are starfire early on */
-        check_if_starfire();
-        /* Now we know enough to patch the get_cpuid sequences
-         * used by trap code.
-         */
-        per_cpu_patch();
-        sun4v_patch();
        boot_flags_init(*cmdline_p);
        idprom_init();
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 90eaca3ec9a6..f03d52d0b88d 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -1264,7 +1264,6 @@ void __init smp_tick_init(void)
        boot_cpu_id = hard_smp_processor_id();
        current_tick_offset = timer_tick_offset;
-        cpu_set(boot_cpu_id, cpu_online_map);
        prof_counter(boot_cpu_id) = prof_multiplier(boot_cpu_id) = 1;
 }
@@ -1288,6 +1287,40 @@ int setup_profiling_timer(unsigned int multiplier)
        return 0;
 }
+static void __init smp_tune_scheduling(void)
+{
+        int instance, node;
+        unsigned int def, smallest = ~0U;
+        def = ((tlb_type == hypervisor) ?
+               (3 * 1024 * 1024) :
+               (4 * 1024 * 1024));
+        instance = 0;
+        while (!cpu_find_by_instance(instance, &node, NULL)) {
+                unsigned int val;
+                val = prom_getintdefault(node, "ecache-size", def);
+                if (val < smallest)
+                        smallest = val;
+                instance++;
+        }
+        /* Any value less than 256K is nonsense.  */
+        if (smallest < (256U * 1024U))
+                smallest = 256 * 1024;
+        max_cache_size = smallest;
+        if (smallest < 1U * 1024U * 1024U)
+                printk(KERN_INFO "Using max_cache_size of %uKB\n",
+                       smallest / 1024U);
+        else
+                printk(KERN_INFO "Using max_cache_size of %uMB\n",
+                       smallest / 1024U / 1024U);
+}
 /* Constrain the number of cpus to max_cpus.  */
 void __init smp_prepare_cpus(unsigned int max_cpus)
 {
@@ -1323,6 +1356,7 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
        }
        smp_store_cpu_info(boot_cpu_id);
+        smp_tune_scheduling();
 }
 /* Set this up early so that things like the scheduler can init
@@ -1345,18 +1379,6 @@ void __init smp_setup_cpu_possible_map(void)
 void __devinit smp_prepare_boot_cpu(void)
 {
-        int cpu = hard_smp_processor_id();
-        if (cpu >= NR_CPUS) {
-                prom_printf("Serious problem, boot cpu id >= NR_CPUS\n");
-                prom_halt();
-        }
-        current_thread_info()->cpu = cpu;
-        __local_per_cpu_offset = __per_cpu_offset(cpu);
-        cpu_set(smp_processor_id(), cpu_online_map);
-        cpu_set(smp_processor_id(), phys_cpu_present_map);
 }
 int __devinit __cpu_up(unsigned int cpu)
@@ -1433,4 +1455,7 @@ void __init setup_per_cpu_areas(void)
        for (i = 0; i < NR_CPUS; i++, ptr += size)
                memcpy(ptr, __per_cpu_start, __per_cpu_end - __per_cpu_start);
+        /* Setup %g5 for the boot cpu.  */
+        __local_per_cpu_offset = __per_cpu_offset(smp_processor_id());
 }
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index 62d8a99271ea..38e569f786dd 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -297,7 +297,6 @@ EXPORT_SYMBOL(svr4_getcontext);
 EXPORT_SYMBOL(svr4_setcontext);
 EXPORT_SYMBOL(compat_sys_ioctl);
 EXPORT_SYMBOL(sparc32_open);
-EXPORT_SYMBOL(sys_close);
 #endif
 /* Special internal versions of library functions. */
diff --git a/arch/sparc64/kernel/systbls.S b/arch/sparc64/kernel/systbls.S
index d4b39cd30310..1136fc465e37 100644
--- a/arch/sparc64/kernel/systbls.S
+++ b/arch/sparc64/kernel/systbls.S
@@ -78,8 +78,9 @@ sys_call_table32:
        .word compat_sys_mq_timedsend, compat_sys_mq_timedreceive, compat_sys_mq_notify, compat_sys_mq_getsetattr, compat_sys_waitid
 /*280*/ .word sys32_tee, sys_add_key, sys_request_key, sys_keyctl, compat_sys_openat
        .word sys_mkdirat, sys_mknodat, sys_fchownat, compat_sys_futimesat, compat_sys_fstatat64
-/*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
+/*290*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
        .word sys_fchmodat, sys_faccessat, compat_sys_pselect6, compat_sys_ppoll, sys_unshare
+/*300*/ .word compat_sys_set_robust_list, compat_sys_get_robust_list
 #endif /* CONFIG_COMPAT */
@@ -147,8 +148,9 @@ sys_call_table:
        .word sys_mq_timedsend, sys_mq_timedreceive, sys_mq_notify, sys_mq_getsetattr, sys_waitid
 /*280*/ .word sys_tee, sys_add_key, sys_request_key, sys_keyctl, sys_openat
        .word sys_mkdirat, sys_mknodat, sys_fchownat, sys_futimesat, sys_fstatat64
-/*285*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
+/*290*/ .word sys_unlinkat, sys_renameat, sys_linkat, sys_symlinkat, sys_readlinkat
        .word sys_fchmodat, sys_faccessat, sys_pselect6, sys_ppoll, sys_unshare
+/*300*/ .word sys_set_robust_list, sys_get_robust_list
 #if defined(CONFIG_SUNOS_EMUL) || defined(CONFIG_SOLARIS_EMUL) || \
    defined(CONFIG_SOLARIS_EMUL_MODULE)
@@ -261,5 +263,5 @@ sunos_sys_table:
 /*290*/ .word sunos_nosys, sunos_nosys, sunos_nosys
        .word sunos_nosys, sunos_nosys, sunos_nosys
        .word sunos_nosys, sunos_nosys, sunos_nosys
-        .word sunos_nosys
+        .word sunos_nosys, sunos_nosys, sunos_nosys
 #endif
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 2793a5d82380..563db528e031 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -1797,7 +1797,9 @@ static const char *sun4v_err_type_to_str(u32 type)
        };
 }
-static void sun4v_log_error(struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)
+extern void __show_regs(struct pt_regs * regs);
+static void sun4v_log_error(struct pt_regs *regs, struct sun4v_error_entry *ent, int cpu, const char *pfx, atomic_t *ocnt)
 {
        int cnt;
@@ -1830,6 +1832,8 @@ static void sun4v_log_error(struct sun4v_error_entry *ent, int cpu, const char *
               pfx,
               ent->err_raddr, ent->err_size, ent->err_cpu);
+        __show_regs(regs);
        if ((cnt = atomic_read(ocnt)) != 0) {
                atomic_set(ocnt, 0);
                wmb();
@@ -1862,7 +1866,7 @@ void sun4v_resum_error(struct pt_regs *regs, unsigned long offset)
        put_cpu();
-        sun4v_log_error(&local_copy, cpu,
+        sun4v_log_error(regs, &local_copy, cpu,
                        KERN_ERR "RESUMABLE ERROR",
                        &sun4v_resum_oflow_cnt);
 }
@@ -1910,7 +1914,7 @@ void sun4v_nonresum_error(struct pt_regs *regs, unsigned long offset)
        }
 #endif
-        sun4v_log_error(&local_copy, cpu,
+        sun4v_log_error(regs, &local_copy, cpu,
                        KERN_EMERG "NON-RESUMABLE ERROR",
                        &sun4v_nonresum_oflow_cnt);
@@ -2200,7 +2204,6 @@ static inline struct reg_window *kernel_stack_up(struct reg_window *rw)
 void die_if_kernel(char *str, struct pt_regs *regs)
 {
        static int die_counter;
-        extern void __show_regs(struct pt_regs * regs);
        extern void smp_report_regs(void);
        int count = 0;
        
diff --git a/arch/sparc64/lib/checksum.S b/arch/sparc64/lib/checksum.S
index ba9cd3ccc2b2..1d230f693dc4 100644
--- a/arch/sparc64/lib/checksum.S
+++ b/arch/sparc64/lib/checksum.S
@@ -165,8 +165,9 @@ csum_partial_end_cruft:
        sll             %g1, 8, %g1
        or              %o5, %g1, %o4
-1:      add             %o2, %o4, %o2
+1:      addcc           %o2, %o4, %o2
+        addc            %g0, %o2, %o2
 csum_partial_finish:
        retl
-         mov            %o2, %o0
+         srl            %o2, 0, %o0
diff --git a/arch/sparc64/lib/csum_copy.S b/arch/sparc64/lib/csum_copy.S
index 71af48839064..e566c770a0f6 100644
--- a/arch/sparc64/lib/csum_copy.S
+++ b/arch/sparc64/lib/csum_copy.S
@@ -221,11 +221,12 @@ FUNC_NAME:		/* %o0=src, %o1=dst, %o2=len, %o3=sum */
        sll             %g1, 8, %g1
        or              %o5, %g1, %o4
-1:      add             %o3, %o4, %o3
+1:      addcc           %o3, %o4, %o3
+        addc            %g0, %o3, %o3
 70:
        retl
-         mov            %o3, %o0
+         srl            %o3, 0, %o0
 95:     mov             0, GLOBAL_SPARE
        brlez,pn        %o2, 4f
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 7a0e04e34bf9..b65ca115ef77 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -33,5 +33,9 @@ include $(srctree)/arch/i386/Makefile.cpu
 # prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
 cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
+# Prevent sprintf in nfsd from being converted to strcpy and resulting in
+# an unresolved reference.
+cflags-y += -ffreestanding
 CFLAGS += $(cflags-y)
 USER_CFLAGS += $(cflags-y)
diff --git a/arch/um/include/kern_util.h b/arch/um/include/kern_util.h
index efa3d33c0be6..310980b32173 100644
--- a/arch/um/include/kern_util.h
+++ b/arch/um/include/kern_util.h
@@ -120,20 +120,11 @@ extern int is_syscall(unsigned long addr);
 extern void free_irq(unsigned int, void *);
 extern int cpu(void);
+extern void time_init_kern(void);
 /* Are we disallowed to sleep? Used to choose between GFP_KERNEL and GFP_ATOMIC. */
 extern int __cant_sleep(void);
 extern void segv_handler(int sig, union uml_pt_regs *regs);
 extern void sigio_handler(int sig, union uml_pt_regs *regs);
 #endif
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/kernel/time_kern.c b/arch/um/kernel/time_kern.c
index 528cf623f8b4..86f51d04c98d 100644
--- a/arch/um/kernel/time_kern.c
+++ b/arch/um/kernel/time_kern.c
@@ -84,6 +84,16 @@ void timer_irq(union uml_pt_regs *regs)
        }
 }
+void time_init_kern(void)
+{
+        unsigned long long nsecs;
+        nsecs = os_nsecs();
+        set_normalized_timespec(&wall_to_monotonic, -nsecs / BILLION,
+                                -nsecs % BILLION);
+}
 void do_boot_timer_handler(struct sigcontext * sc)
 {
        struct pt_regs regs;
diff --git a/arch/um/os-Linux/main.c b/arch/um/os-Linux/main.c
index 3a0ac38e978b..90912aaca7aa 100644
--- a/arch/um/os-Linux/main.c
+++ b/arch/um/os-Linux/main.c
@@ -59,7 +59,7 @@ static __init void do_uml_initcalls(void)
        initcall_t *call;
        call = &__uml_initcall_start;
-        while (call < &__uml_initcall_end){;
+        while (call < &__uml_initcall_end){
                (*call)();
                call++;
        }
diff --git a/arch/um/os-Linux/time.c b/arch/um/os-Linux/time.c
index 6f7626775acb..280c4fb9b585 100644
--- a/arch/um/os-Linux/time.c
+++ b/arch/um/os-Linux/time.c
@@ -81,20 +81,12 @@ void uml_idle_timer(void)
        set_interval(ITIMER_REAL);
 }
-extern void ktime_get_ts(struct timespec *ts);
-#define do_posix_clock_monotonic_gettime(ts) ktime_get_ts(ts)
 void time_init(void)
 {
-        struct timespec now;
        if(signal(SIGVTALRM, boot_timer_handler) == SIG_ERR)
                panic("Couldn't set SIGVTALRM handler");
        set_interval(ITIMER_VIRTUAL);
+        time_init_kern();
-        do_posix_clock_monotonic_gettime(&now);
-        wall_to_monotonic.tv_sec = -now.tv_sec;
-        wall_to_monotonic.tv_nsec = -now.tv_nsec;
 }
 unsigned long long os_nsecs(void)
diff --git a/arch/um/sys-i386/syscalls.c b/arch/um/sys-i386/syscalls.c
index 749dd1bfe60f..710d5fb807e1 100644
--- a/arch/um/sys-i386/syscalls.c
+++ b/arch/um/sys-i386/syscalls.c
@@ -99,11 +99,12 @@ long sys_ipc (uint call, int first, int second,
        switch (call) {
        case SEMOP:
-                return sys_semtimedop(first, (struct sembuf *) ptr, second,
+                return sys_semtimedop(first, (struct sembuf __user *) ptr,
-                                      NULL);
+                                      second, NULL);
        case SEMTIMEDOP:
-                return sys_semtimedop(first, (struct sembuf *) ptr, second,
+                return sys_semtimedop(first, (struct sembuf __user *) ptr,
-                                      (const struct timespec *) fifth);
+                                      second,
+                                      (const struct timespec __user *) fifth);
        case SEMGET:
                return sys_semget (first, second, third);
        case SEMCTL: {
diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c
index a4c46a8af008..9edf114faf79 100644
--- a/arch/um/sys-x86_64/signal.c
+++ b/arch/um/sys-x86_64/signal.c
@@ -21,7 +21,7 @@
 #include "skas.h"
 static int copy_sc_from_user_skas(struct pt_regs *regs,
-                                 struct sigcontext *from)
+                                 struct sigcontext __user *from)
 {
       int err = 0;
@@ -54,7 +54,8 @@ static int copy_sc_from_user_skas(struct pt_regs *regs,
       return(err);
 }
-int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp,
+int copy_sc_to_user_skas(struct sigcontext __user *to,
+                         struct _fpstate __user *to_fp,
                         struct pt_regs *regs, unsigned long mask,
                         unsigned long sp)
 {
@@ -106,10 +107,11 @@ int copy_sc_to_user_skas(struct sigcontext *to, struct _fpstate *to_fp,
 #endif
 #ifdef CONFIG_MODE_TT
-int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from,
+int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext __user *from,
                         int fpsize)
 {
-        struct _fpstate *to_fp, *from_fp;
+        struct _fpstate *to_fp;
+        struct _fpstate __user *from_fp;
        unsigned long sigs;
        int err;
@@ -124,13 +126,14 @@ int copy_sc_from_user_tt(struct sigcontext *to, struct sigcontext *from,
        return(err);
 }
-int copy_sc_to_user_tt(struct sigcontext *to, struct _fpstate *fp,
+int copy_sc_to_user_tt(struct sigcontext __user *to, struct _fpstate __user *fp,
                       struct sigcontext *from, int fpsize, unsigned long sp)
 {
-        struct _fpstate *to_fp, *from_fp;
+        struct _fpstate __user *to_fp;
+        struct _fpstate *from_fp;
        int err;
-        to_fp = (fp ? fp : (struct _fpstate *) (to + 1));
+        to_fp = (fp ? fp : (struct _fpstate __user *) (to + 1));
        from_fp = from->fpstate;
        err = copy_to_user(to, from, sizeof(*to));
        /* The SP in the sigcontext is the updated one for the signal
@@ -158,7 +161,8 @@ static int copy_sc_from_user(struct pt_regs *to, void __user *from)
       return(ret);
 }
-static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp,
+static int copy_sc_to_user(struct sigcontext __user *to,
+                           struct _fpstate __user *fp,
                           struct pt_regs *from, unsigned long mask,
                           unsigned long sp)
 {
@@ -169,7 +173,7 @@ static int copy_sc_to_user(struct sigcontext *to, struct _fpstate *fp,
 struct rt_sigframe
 {
-       char *pretcode;
+       char __user *pretcode;
       struct ucontext uc;
       struct siginfo info;
 };
@@ -188,7 +192,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig,
        frame = (struct rt_sigframe __user *)
                round_down(stack_top - sizeof(struct rt_sigframe), 16) - 8;
-        frame = (struct rt_sigframe *) ((unsigned long) frame - 128);
+        frame = (struct rt_sigframe __user *) ((unsigned long) frame - 128);
        if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate)))
                goto out;
diff --git a/arch/um/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index 6acee5c4ada6..6fce9f45dfdc 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -45,7 +45,7 @@ static long arch_prctl_tt(int code, unsigned long addr)
        case ARCH_GET_GS:
                ret = arch_prctl(code, (unsigned long) &tmp);
                if(!ret)
-                        ret = put_user(tmp, &addr);
+                        ret = put_user(tmp, (long __user *)addr);
                break;
        default:
                ret = -EINVAL;
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index 408d44a59756..6527a368fb9c 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -299,6 +299,7 @@ config X86_64_ACPI_NUMA
       bool "ACPI NUMA detection"
       depends on NUMA
       select ACPI 
+        select PCI
       select ACPI_NUMA
       default y
       help
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index e776139afb20..926c4743d13b 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -339,7 +339,7 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top,
        struct mm_struct *mm = current->mm;
        int i, ret;
-        stack_base = IA32_STACK_TOP - MAX_ARG_PAGES * PAGE_SIZE;
+        stack_base = stack_top - MAX_ARG_PAGES * PAGE_SIZE;
        mm->arg_start = bprm->p + stack_base;
        bprm->p += stack_base;
@@ -357,7 +357,7 @@ int ia32_setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top,
        {
                mpnt->vm_mm = mm;
                mpnt->vm_start = PAGE_MASK & (unsigned long) bprm->p;
-                mpnt->vm_end = IA32_STACK_TOP;
+                mpnt->vm_end = stack_top;
                if (executable_stack == EXSTACK_ENABLE_X)
                        mpnt->vm_flags = VM_STACK_FLAGS |  VM_EXEC;
                else if (executable_stack == EXSTACK_DISABLE_X)
diff --git a/arch/x86_64/kernel/acpi/Makefile b/arch/x86_64/kernel/acpi/Makefile
index 4fe97071f297..080b9963f1bc 100644
--- a/arch/x86_64/kernel/acpi/Makefile
+++ b/arch/x86_64/kernel/acpi/Makefile
@@ -4,5 +4,6 @@ obj-$(CONFIG_ACPI_SLEEP)	+= sleep.o wakeup.o
 ifneq ($(CONFIG_ACPI_PROCESSOR),)
 obj-y                   += processor.o
+processor-y             := ../../../i386/kernel/acpi/processor.o ../../../i386/kernel/acpi/cstate.o
 endif
diff --git a/arch/x86_64/kernel/acpi/processor.c b/arch/x86_64/kernel/acpi/processor.c
deleted file mode 100644
index 3bdc2baa5bb1..000000000000
--- a/arch/x86_64/kernel/acpi/processor.c
+++ /dev/null
@@ -1,72 +0,0 @@
-/*
- * arch/x86_64/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 cpuinfo_x86 *c)
-{
-        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;
-        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)
-{
-        unsigned int cpu = pr->id;
-        struct cpuinfo_x86 *c = cpu_data + cpu;
-        pr->pdc = NULL;
-        if (c->x86_vendor == X86_VENDOR_INTEL && cpu_has(c, X86_FEATURE_EST))
-                init_intel_pdc(pr, c);
-        return;
-}
-EXPORT_SYMBOL(arch_acpi_processor_init_pdc);
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index 222b5b46d2b2..1ef6028f721e 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -149,7 +149,7 @@ unsigned long __init find_e820_area(unsigned long start, unsigned long end, unsi
                        addr = start;
                if (addr > ei->addr + ei->size) 
                        continue; 
-                while (bad_addr(&addr, size) && addr+size < ei->addr + ei->size)
+                while (bad_addr(&addr, size) && addr+size <= ei->addr+ei->size)
                        ;
                last = addr + size;
                if (last > ei->addr + ei->size)
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index c946e4fe67a7..586b34c00c48 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -281,12 +281,7 @@ tracesys:
        ja  1f
        movq %r10,%rcx  /* fixup for C */
        call *sys_call_table(,%rax,8)
-        movq %rax,RAX-ARGOFFSET(%rsp)
+1:      movq %rax,RAX-ARGOFFSET(%rsp)
-1:      SAVE_REST
-        movq %rsp,%rdi
-        call syscall_trace_leave
-        RESTORE_TOP_OF_STACK %rbx
-        RESTORE_REST
        /* Use IRET because user could have changed frame */
        jmp int_ret_from_sys_call
        CFI_ENDPROC
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 0de3ea938830..9cc7031b7151 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -271,6 +271,18 @@ __setup("enable_8254_timer", setup_enable_8254_timer);
 #include <linux/pci_ids.h>
 #include <linux/pci.h>
+#ifdef CONFIG_ACPI
+static int nvidia_hpet_detected __initdata;
+static int __init nvidia_hpet_check(unsigned long phys, unsigned long size)
+{
+        nvidia_hpet_detected = 1;
+        return 0;
+}
+#endif
 /* Temporary Hack. Nvidia and VIA boards currently only work with IO-APIC
   off. Check for an Nvidia or VIA PCI bridge and turn it off.
   Use pci direct infrastructure because this runs before the PCI subsystem. 
@@ -317,11 +329,19 @@ void __init check_ioapic(void)
                                        return;
                                case PCI_VENDOR_ID_NVIDIA:
 #ifdef CONFIG_ACPI
-                                        /* All timer overrides on Nvidia
+                                        /*
-                                           seem to be wrong. Skip them. */
+                                         * All timer overrides on Nvidia are
-                                        acpi_skip_timer_override = 1;
+                                         * wrong unless HPET is enabled.
-                                        printk(KERN_INFO 
+                                         */
-             "Nvidia board detected. Ignoring ACPI timer override.\n");
+                                        nvidia_hpet_detected = 0;
+                                        acpi_table_parse(ACPI_HPET,
+                                                        nvidia_hpet_check);
+                                        if (nvidia_hpet_detected == 0) {
+                                                acpi_skip_timer_override = 1;
+                                                printk(KERN_INFO "Nvidia board "
+                                                    "detected. Ignoring ACPI "
+                                                    "timer override.\n");
+                                        }
 #endif
                                        /* RED-PEN skip them on mptables too? */
                                        return;
diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c
index 1eaa5dae6174..fa1d19ca700a 100644
--- a/arch/x86_64/kernel/kprobes.c
+++ b/arch/x86_64/kernel/kprobes.c
@@ -514,13 +514,13 @@ static void __kprobes resume_execution(struct kprobe *p,
                *tos = orig_rip + (*tos - copy_rip);
                break;
        case 0xff:
-                if ((*insn & 0x30) == 0x10) {
+                if ((insn[1] & 0x30) == 0x10) {
                        /* call absolute, indirect */
                        /* Fix return addr; rip is correct. */
                        next_rip = regs->rip;
                        *tos = orig_rip + (*tos - copy_rip);
-                } else if (((*insn & 0x31) == 0x20) ||  /* jmp near, absolute indirect */
+                } else if (((insn[1] & 0x31) == 0x20) ||        /* jmp near, absolute indirect */
-                           ((*insn & 0x31) == 0x21)) {  /* jmp far, absolute indirect */
+                           ((insn[1] & 0x31) == 0x21)) {        /* jmp far, absolute indirect */
                        /* rip is correct. */
                        next_rip = regs->rip;
                }
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c
index af035ede70cd..a9275c9557cf 100644
--- a/arch/x86_64/kernel/pci-dma.c
+++ b/arch/x86_64/kernel/pci-dma.c
@@ -54,6 +54,10 @@ dma_alloc_pages(struct device *dev, gfp_t gfp, unsigned order)
        else
 #endif
                node = numa_node_id();
+        if (node < first_node(node_online_map))
+                node = first_node(node_online_map);
        page = alloc_pages_node(node, gfp, order);
        return page ? page_address(page) : NULL;
 }
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
index 2480d3f08a47..82a7c9bfdfa0 100644
--- a/arch/x86_64/kernel/pci-gart.c
+++ b/arch/x86_64/kernel/pci-gart.c
@@ -631,10 +631,8 @@ static int __init pci_iommu_init(void)
                printk(KERN_INFO "PCI-DMA: Disabling IOMMU.\n");
                if (end_pfn > MAX_DMA32_PFN) {
                        printk(KERN_ERR "WARNING more than 4GB of memory "
-                                        "but IOMMU not compiled in.\n"
+                                        "but IOMMU not available.\n"
-                               KERN_ERR "WARNING 32bit PCI may malfunction.\n"
+                               KERN_ERR "WARNING 32bit PCI may malfunction.\n");
-                               KERN_ERR "You might want to enable "
-                                        "CONFIG_GART_IOMMU\n");
                }
                return -1;
        }
diff --git a/arch/x86_64/kernel/pci-nommu.c b/arch/x86_64/kernel/pci-nommu.c
index 44adcc2d5e5b..1f6ecc62061d 100644
--- a/arch/x86_64/kernel/pci-nommu.c
+++ b/arch/x86_64/kernel/pci-nommu.c
@@ -12,9 +12,10 @@ static int
 check_addr(char *name, struct device *hwdev, dma_addr_t bus, size_t size)
 {
        if (hwdev && bus + size > *hwdev->dma_mask) {
-                printk(KERN_ERR
+                if (*hwdev->dma_mask >= 0xffffffffULL)
-                    "nommu_%s: overflow %Lx+%lu of device mask %Lx\n",
+                        printk(KERN_ERR
-               name, (long long)bus, size, (long long)*hwdev->dma_mask);
+                            "nommu_%s: overflow %Lx+%lu of device mask %Lx\n",
+                                name, (long long)bus, size, (long long)*hwdev->dma_mask);
                return 0;
        }
        return 1;
diff --git a/arch/x86_64/kernel/pmtimer.c b/arch/x86_64/kernel/pmtimer.c
index b0444a415bd6..bf421ed26808 100644
--- a/arch/x86_64/kernel/pmtimer.c
+++ b/arch/x86_64/kernel/pmtimer.c
@@ -68,7 +68,7 @@ int pmtimer_mark_offset(void)
        offset_delay = delta % (USEC_PER_SEC / HZ);
        rdtscll(tsc);
-        vxtime.last_tsc = tsc - offset_delay * cpu_khz;
+        vxtime.last_tsc = tsc - offset_delay * (u64)cpu_khz / 1000;
        /* don't calculate delay for first run,
           or if we've got less then a tick */
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index f0870bef24d1..655b9192eeb3 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -1051,7 +1051,7 @@ static void srat_detect_node(void)
           for now. */
        node = apicid_to_node[hard_smp_processor_id()];
        if (node == NUMA_NO_NODE)
-                node = 0;
+                node = first_node(node_online_map);
        numa_set_node(cpu, node);
        if (acpi_numa > 0)
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 6b87268c5c2e..cea335e8746c 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -102,6 +102,8 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
 {
        if (regs->eflags & X86_EFLAGS_IF)
                local_irq_disable();
+        /* Make sure to not schedule here because we could be running
+           on an exception stack. */
        preempt_enable_no_resched();
 }
@@ -483,8 +485,6 @@ static void __kprobes do_trap(int trapnr, int signr, char *str,
 {
        struct task_struct *tsk = current;
-        conditional_sti(regs);
        tsk->thread.error_code = error_code;
        tsk->thread.trap_no = trapnr;
@@ -521,6 +521,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
        if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
                                                        == NOTIFY_STOP) \
                return; \
+        conditional_sti(regs);                                          \
        do_trap(trapnr, signr, str, regs, error_code, NULL); \
 }
@@ -535,6 +536,7 @@ asmlinkage void do_##name(struct pt_regs * regs, long error_code) \
        if (notify_die(DIE_TRAP, str, regs, error_code, trapnr, signr) \
                                                        == NOTIFY_STOP) \
                return; \
+        conditional_sti(regs);                                          \
        do_trap(trapnr, signr, str, regs, error_code, &info); \
 }
@@ -548,7 +550,17 @@ DO_ERROR(10, SIGSEGV, "invalid TSS", invalid_TSS)
 DO_ERROR(11, SIGBUS,  "segment not present", segment_not_present)
 DO_ERROR_INFO(17, SIGBUS, "alignment check", alignment_check, BUS_ADRALN, 0)
 DO_ERROR(18, SIGSEGV, "reserved", reserved)
-DO_ERROR(12, SIGBUS,  "stack segment", stack_segment)
+/* Runs on IST stack */
+asmlinkage void do_stack_segment(struct pt_regs *regs, long error_code)
+{
+        if (notify_die(DIE_TRAP, "stack segment", regs, error_code,
+                        12, SIGBUS) == NOTIFY_STOP)
+                return;
+        preempt_conditional_sti(regs);
+        do_trap(12, SIGBUS, "stack segment", regs, error_code, NULL);
+        preempt_conditional_cli(regs);
+}
 asmlinkage void do_double_fault(struct pt_regs * regs, long error_code)
 {
@@ -682,8 +694,9 @@ asmlinkage void __kprobes do_int3(struct pt_regs * regs, long error_code)
        if (notify_die(DIE_INT3, "int3", regs, error_code, 3, SIGTRAP) == NOTIFY_STOP) {
                return;
        }
+        preempt_conditional_sti(regs);
        do_trap(3, SIGTRAP, "int3", regs, error_code, NULL);
-        return;
+        preempt_conditional_cli(regs);
 }
 /* Help handler running on IST stack to switch back to user stack
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 15ae9fcd65a7..474df22c6ed2 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -34,7 +34,10 @@ static nodemask_t nodes_found __initdata;
 static struct bootnode nodes[MAX_NUMNODES] __initdata;
 static struct bootnode nodes_add[MAX_NUMNODES] __initdata;
 static int found_add_area __initdata;
-int hotadd_percent __initdata = 10;
+int hotadd_percent __initdata = 0;
+#ifndef RESERVE_HOTADD
+#define hotadd_percent 0        /* Ignore all settings */
+#endif
 static u8 pxm2node[256] = { [0 ... 255] = 0xff };
 /* Too small nodes confuse the VM badly. Usually they result
@@ -103,6 +106,7 @@ static __init void bad_srat(void)
        int i;
        printk(KERN_ERR "SRAT: SRAT not used.\n");
        acpi_numa = -1;
+        found_add_area = 0;
        for (i = 0; i < MAX_LOCAL_APIC; i++)
                apicid_to_node[i] = NUMA_NO_NODE;
        for (i = 0; i < MAX_NUMNODES; i++)
@@ -154,7 +158,8 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
        int pxm, node;
        if (srat_disabled())
                return;
-        if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) {                bad_srat();
+        if (pa->header.length != sizeof(struct acpi_table_processor_affinity)) {
+                bad_srat();
                return;
        }
        if (pa->flags.enabled == 0)
@@ -191,15 +196,17 @@ static int hotadd_enough_memory(struct bootnode *nd)
        allowed = (end_pfn - e820_hole_size(0, end_pfn)) * PAGE_SIZE;
        allowed = (allowed / 100) * hotadd_percent;
        if (allocated + mem > allowed) {
+                unsigned long range;
                /* Give them at least part of their hotadd memory upto hotadd_percent
                   It would be better to spread the limit out
                   over multiple hotplug areas, but that is too complicated
                   right now */
                if (allocated >= allowed)
                        return 0;
-                pages = (allowed - allocated + mem) / sizeof(struct page);
+                range = allowed - allocated;
+                pages = (range / PAGE_SIZE);
                mem = pages * sizeof(struct page);
-                nd->end = nd->start + pages*PAGE_SIZE;
+                nd->end = nd->start + range;
        }
        /* Not completely fool proof, but a good sanity check */
        addr = find_e820_area(last_area_end, end_pfn<<PAGE_SHIFT, mem);
@@ -392,8 +399,10 @@ int __init acpi_scan_nodes(unsigned long start, unsigned long end)
        /* First clean up the node list */
        for (i = 0; i < MAX_NUMNODES; i++) {
                cutoff_node(i, start, end);
-                if ((nodes[i].end - nodes[i].start) < NODE_MIN_SIZE)
+                if ((nodes[i].end - nodes[i].start) < NODE_MIN_SIZE) {
                        unparse_node(i);
+                        node_set_offline(i);
+                }
        }
        if (acpi_numa <= 0)