30 files changed, 142 insertions, 111 deletions

diff --git a/arch/arm/mach-at91/at91x40.c b/arch/arm/mach-at91/at91x40.c
index 1de121fc55f4..f44647738ee4 100644
--- a/arch/arm/mach-at91/at91x40.c
+++ b/arch/arm/mach-at91/at91x40.c
@@ -16,16 +16,32 @@
 #include <asm/mach/arch.h>
 #include <asm/arch/at91x40.h>
 #include <asm/arch/at91_st.h>
+#include <asm/arch/timex.h>
 #include "generic.h"
 
 /*
- * This is used in the gpio code, stub locally.
+ * Export the clock functions for the AT91X40. Some external code common
+ * to all AT91 family parts relys on this, like the gpio and serial support.
  */
 int clk_enable(struct clk *clk)
 {
         return 0;
 }
 
+void clk_disable(struct clk *clk)
+{
+}
+
+unsigned long clk_get_rate(struct clk *clk)
+{
+        return AT91X40_MASTER_CLOCK;
+}
+
+struct clk *clk_get(struct device *dev, const char *id)
+{
+        return NULL;
+}
+
 void __init at91x40_initialize(unsigned long main_clock)
 {
         at91_extern_irq = (1 << AT91X40_ID_IRQ0) | (1 << AT91X40_ID_IRQ1)
diff --git a/arch/arm/mach-integrator/impd1.c b/arch/arm/mach-integrator/impd1.c
index 92d79fb39311..62e653a3ea1a 100644
--- a/arch/arm/mach-integrator/impd1.c
+++ b/arch/arm/mach-integrator/impd1.c
@@ -369,7 +369,8 @@ static int impd1_probe(struct lm_device *dev)
 
         lm_set_drvdata(dev, impd1);
 
-        printk("IM-PD1 found at 0x%08lx\n", dev->resource.start);
+        printk("IM-PD1 found at 0x%08lx\n",
+                (unsigned long)dev->resource.start);
 
         for (i = 0; i < ARRAY_SIZE(impd1->vcos); i++) {
                 impd1->vcos[i].owner = THIS_MODULE,
diff --git a/arch/arm/mach-integrator/pci_v3.c b/arch/arm/mach-integrator/pci_v3.c
index d55fa4e9bb43..c07f497000ca 100644
--- a/arch/arm/mach-integrator/pci_v3.c
+++ b/arch/arm/mach-integrator/pci_v3.c
@@ -405,7 +405,6 @@ v3_pci_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
                 addr, fsr, pc, instr, __raw_readl(SC_LBFADDR), __raw_readl(SC_LBFCODE) & 255,
                 v3_readb(V3_LB_ISTAT));
         printk(KERN_DEBUG "%s", buf);
-        printascii(buf);
 #endif
 
         v3_writeb(V3_LB_ISTAT, 0);
@@ -447,6 +446,7 @@ static irqreturn_t v3_irq(int dummy, void *devid)
         unsigned long pc = instruction_pointer(regs);
         unsigned long instr = *(unsigned long *)pc;
         char buf[128];
+        extern void printascii(const char *);
 
         sprintf(buf, "V3 int %d: pc=0x%08lx [%08lx] LBFADDR=%08x LBFCODE=%02x "
                 "ISTAT=%02x\n", IRQ_AP_V3INT, pc, instr,
diff --git a/arch/arm/mach-omap1/board-palmte.c b/arch/arm/mach-omap1/board-palmte.c
index a0b16a7e8a04..a4d20127a60e 100644
--- a/arch/arm/mach-omap1/board-palmte.c
+++ b/arch/arm/mach-omap1/board-palmte.c
@@ -24,7 +24,6 @@
 #include <linux/mtd/mtd.h>
 #include <linux/mtd/partitions.h>
 #include <linux/spi/spi.h>
-#include <linux/spi/tsc2102.h>
 #include <linux/interrupt.h>
 #include <linux/apm-emulation.h>
 
@@ -315,14 +314,6 @@ static void palmte_get_power_status(struct apm_power_info *info, int *battery)
 #define palmte_get_power_status NULL
 #endif
 
-static struct tsc2102_config palmte_tsc2102_config = {
-        .use_internal   = 0,
-        .monitor        = TSC_BAT1 | TSC_AUX | TSC_TEMP,
-        .temp_at25c     = { 2200, 2615 },
-        .apm_report     = palmte_get_power_status,
-        .alsa_config    = &palmte_alsa_config,
-};
-
 static struct omap_board_config_kernel palmte_config[] __initdata = {
         { OMAP_TAG_USB,         &palmte_usb_config },
         { OMAP_TAG_MMC,         &palmte_mmc_config },
@@ -336,7 +327,6 @@ static struct spi_board_info palmte_spi_info[] __initdata = {
                 .bus_num        = 2,    /* uWire (officially) */
                 .chip_select    = 0,    /* As opposed to 3 */
                 .irq            = OMAP_GPIO_IRQ(PALMTE_PINTDAV_GPIO),
-                .platform_data  = &palmte_tsc2102_config,
                 .max_speed_hz   = 8000000,
         },
 };
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
index dace3820f1ee..e7d0fcd9b43f 100644
--- a/arch/arm/mach-pxa/spitz.c
+++ b/arch/arm/mach-pxa/spitz.c
@@ -38,7 +38,6 @@
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/pxa2xx-regs.h>
 #include <asm/arch/pxa2xx-gpio.h>
-#include <asm/arch/pxa27x-udc.h>
 #include <asm/arch/irda.h>
 #include <asm/arch/mmc.h>
 #include <asm/arch/ohci.h>
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 661a2358ac22..27f63d5d3a7b 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -374,7 +374,7 @@ static struct resource bast_dm9k_resource[] = {
         [2] = {
                 .start = IRQ_DM9000,
                 .end   = IRQ_DM9000,
-                .flags = IORESOURCE_IRQ,
+                .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
         }
 
 };
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index c56423373ff3..4c4b5c4207c4 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -263,7 +263,7 @@ static struct resource vr1000_dm9k0_resource[] = {
         [2] = {
                 .start = IRQ_VR1000_DM9000A,
                 .end   = IRQ_VR1000_DM9000A,
-                .flags = IORESOURCE_IRQ
+                .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
         }
 
 };
@@ -282,7 +282,7 @@ static struct resource vr1000_dm9k1_resource[] = {
         [2] = {
                 .start = IRQ_VR1000_DM9000N,
                 .end   = IRQ_VR1000_DM9000N,
-                .flags = IORESOURCE_IRQ
+                .flags = IORESOURCE_IRQ | IRQF_TRIGGER_HIGH,
         }
 };
 
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 6496eb645cee..2f772a3965c4 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -225,26 +225,28 @@ static void __init collie_init(void)
         int ret = 0;
 
         /* cpu initialize */
-        GAFR = ( GPIO_SSP_TXD | \
-                 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK | GPIO_TIC_ACK | \
-                 GPIO_32_768kHz );
-
-        GPDR = ( GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 | \
-                 GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD | \
-                 GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK | \
-                 GPIO_SDLC_AAF | GPIO_UART_SCLK1 | GPIO_32_768kHz );
-        GPLR = GPIO_GPIO18;
-
-        // PPC pin setting
-        PPDR = ( PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 | \
-                 PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS | \
-                 PPC_TXD1 | PPC_TXD2 | PPC_RXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM );
-
-        PSDR = ( PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4 );
-
-        GAFR |= GPIO_32_768kHz;
-        GPDR |= GPIO_32_768kHz;
-        TUCR  = TUCR_32_768kHz;
+        GAFR = GPIO_SSP_TXD | GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SSP_CLK |
+                GPIO_MCP_CLK | GPIO_32_768kHz;
+
+        GPDR = GPIO_LDD8 | GPIO_LDD9 | GPIO_LDD10 | GPIO_LDD11 | GPIO_LDD12 |
+                GPIO_LDD13 | GPIO_LDD14 | GPIO_LDD15 | GPIO_SSP_TXD |
+                GPIO_SSP_SCLK | GPIO_SSP_SFRM | GPIO_SDLC_SCLK |
+                COLLIE_GPIO_UCB1x00_RESET | COLLIE_GPIO_nMIC_ON |
+                COLLIE_GPIO_nREMOCON_ON | GPIO_32_768kHz;
+
+        PPDR = PPC_LDD0 | PPC_LDD1 | PPC_LDD2 | PPC_LDD3 | PPC_LDD4 | PPC_LDD5 |
+                PPC_LDD6 | PPC_LDD7 | PPC_L_PCLK | PPC_L_LCLK | PPC_L_FCLK | PPC_L_BIAS |
+                PPC_TXD1 | PPC_TXD2 | PPC_TXD3 | PPC_TXD4 | PPC_SCLK | PPC_SFRM;
+
+        PWER = COLLIE_GPIO_AC_IN | COLLIE_GPIO_CO | COLLIE_GPIO_ON_KEY |
+                COLLIE_GPIO_WAKEUP | COLLIE_GPIO_nREMOCON_INT | PWER_RTC;
+
+        PGSR = COLLIE_GPIO_nREMOCON_ON;
+
+        PSDR = PPC_RXD1 | PPC_RXD2 | PPC_RXD3 | PPC_RXD4;
+
+        PCFR = PCFR_OPDE;
+
 
         platform_scoop_config = &collie_pcmcia_config;
 
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index 2946c193a7d6..2db5580048d8 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -21,6 +21,7 @@
 #include <linux/clk.h>
 #include <linux/mutex.h>
 #include <linux/platform_device.h>
+#include <linux/cpufreq.h>
 
 #include <asm/io.h>
 
diff --git a/arch/arm/plat-s3c24xx/s3c244x.c b/arch/arm/plat-s3c24xx/s3c244x.c
index f197bb3a2366..2f01af5f64c4 100644
--- a/arch/arm/plat-s3c24xx/s3c244x.c
+++ b/arch/arm/plat-s3c24xx/s3c244x.c
@@ -65,6 +65,7 @@ void __init s3c244x_map_io(struct map_desc *mach_desc, int size)
 
         /* rename any peripherals used differing from the s3c2410 */
 
+        s3c_device_sdi.name  = "s3c2440-sdi";
         s3c_device_i2c.name  = "s3c2440-i2c";
         s3c_device_nand.name = "s3c2440-nand";
         s3c_device_usbgadget.name = "s3c2440-usbgadget";
diff --git a/arch/frv/mm/init.c b/arch/frv/mm/init.c
index b841ecfd5d5a..9af7740f32fb 100644
--- a/arch/frv/mm/init.c
+++ b/arch/frv/mm/init.c
@@ -26,6 +26,7 @@
 #include <linux/types.h>
 #include <linux/bootmem.h>
 #include <linux/highmem.h>
+#include <linux/module.h>
 
 #include <asm/setup.h>
 #include <asm/segment.h>
@@ -56,7 +57,9 @@ DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
  */
 static unsigned long empty_bad_page_table;
 static unsigned long empty_bad_page;
+
 unsigned long empty_zero_page;
+EXPORT_SYMBOL(empty_zero_page);
 
 /*****************************************************************************/
 /*
diff --git a/arch/powerpc/kernel/prom_init_check.sh b/arch/powerpc/kernel/prom_init_check.sh
index 8e24fc1821e8..31729a9387df 100644
--- a/arch/powerpc/kernel/prom_init_check.sh
+++ b/arch/powerpc/kernel/prom_init_check.sh
@@ -20,7 +20,7 @@ WHITELIST="add_reloc_offset __bss_start __bss_stop copy_and_flush
 _end enter_prom memcpy memset reloc_offset __secondary_hold
 __secondary_hold_acknowledge __secondary_hold_spinloop __start
 strcmp strcpy strlcpy strlen strncmp strstr logo_linux_clut224
-reloc_got2"
+reloc_got2 kernstart_addr"
 
 NM="$1"
 OBJ="$2"
diff --git a/arch/powerpc/mm/pgtable_32.c b/arch/powerpc/mm/pgtable_32.c
index 80d1babb230d..e0ff59f21135 100644
--- a/arch/powerpc/mm/pgtable_32.c
+++ b/arch/powerpc/mm/pgtable_32.c
@@ -402,7 +402,7 @@ void __set_fixmap (enum fixed_addresses idx, phys_addr_t phys, pgprot_t flags)
                 return;
         }
 
-        map_page(address, phys, flags);
+        map_page(address, phys, pgprot_val(flags));
         fixmaps++;
 }
 
diff --git a/arch/powerpc/platforms/ps3/mm.c b/arch/powerpc/platforms/ps3/mm.c
index 5b3fb2b321ab..3a58ffabccd9 100644
--- a/arch/powerpc/platforms/ps3/mm.c
+++ b/arch/powerpc/platforms/ps3/mm.c
@@ -317,6 +317,9 @@ static int __init ps3_mm_add_memory(void)
                 return result;
         }
 
+        lmb_add(start_addr, map.r1.size);
+        lmb_analyze();
+
         result = online_pages(start_pfn, nr_pages);
 
         if (result)
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 8619f2a3f1f6..7680001676a6 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -1331,6 +1331,9 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
         unsigned long flags;
         u32 reg;
 
+        if (!mpic)
+                return;
+
         spin_lock_irqsave(&mpic_lock, flags);
         if (is_ipi) {
                 reg = mpic_ipi_read(src - mpic->ipi_vecs[0]) &
@@ -1346,23 +1349,6 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
         spin_unlock_irqrestore(&mpic_lock, flags);
 }
 
-unsigned int mpic_irq_get_priority(unsigned int irq)
-{
-        unsigned int is_ipi;
-        struct mpic *mpic = mpic_find(irq, &is_ipi);
-        unsigned int src = mpic_irq_to_hw(irq);
-        unsigned long flags;
-        u32 reg;
-
-        spin_lock_irqsave(&mpic_lock, flags);
-        if (is_ipi)
-                reg = mpic_ipi_read(src = mpic->ipi_vecs[0]);
-        else
-                reg = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
-        spin_unlock_irqrestore(&mpic_lock, flags);
-        return (reg & MPIC_VECPRI_PRIORITY_MASK) >> MPIC_VECPRI_PRIORITY_SHIFT;
-}
-
 void mpic_setup_this_cpu(void)
 {
 #ifdef CONFIG_SMP
diff --git a/arch/sparc64/kernel/process.c b/arch/sparc64/kernel/process.c
index 0a0c05fc3a33..2084f81a76e1 100644
--- a/arch/sparc64/kernel/process.c
+++ b/arch/sparc64/kernel/process.c
@@ -657,20 +657,39 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
                 struct task_struct *p, struct pt_regs *regs)
 {
         struct thread_info *t = task_thread_info(p);
+        struct sparc_stackf *parent_sf;
+        unsigned long child_stack_sz;
         char *child_trap_frame;
+        int kernel_thread;
 
-        /* Calculate offset to stack_frame & pt_regs */
-        child_trap_frame = task_stack_page(p) + (THREAD_SIZE - (TRACEREG_SZ+STACKFRAME_SZ));
-        memcpy(child_trap_frame, (((struct sparc_stackf *)regs)-1), (TRACEREG_SZ+STACKFRAME_SZ));
+        kernel_thread = (regs->tstate & TSTATE_PRIV) ? 1 : 0;
+        parent_sf = ((struct sparc_stackf *) regs) - 1;
 
-        t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) | (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
+        /* Calculate offset to stack_frame & pt_regs */
+        child_stack_sz = ((STACKFRAME_SZ + TRACEREG_SZ) +
+                          (kernel_thread ? STACKFRAME_SZ : 0));
+        child_trap_frame = (task_stack_page(p) +
+                            (THREAD_SIZE - child_stack_sz));
+        memcpy(child_trap_frame, parent_sf, child_stack_sz);
+
+        t->flags = (t->flags & ~((0xffUL << TI_FLAG_CWP_SHIFT) |
+                                 (0xffUL << TI_FLAG_CURRENT_DS_SHIFT))) |
                 (((regs->tstate + 1) & TSTATE_CWP) << TI_FLAG_CWP_SHIFT);
         t->new_child = 1;
         t->ksp = ((unsigned long) child_trap_frame) - STACK_BIAS;
-        t->kregs = (struct pt_regs *)(child_trap_frame+sizeof(struct sparc_stackf));
+        t->kregs = (struct pt_regs *) (child_trap_frame +
+                                       sizeof(struct sparc_stackf));
         t->fpsaved[0] = 0;
 
-        if (regs->tstate & TSTATE_PRIV) {
+        if (kernel_thread) {
+                struct sparc_stackf *child_sf = (struct sparc_stackf *)
+                        (child_trap_frame + (STACKFRAME_SZ + TRACEREG_SZ));
+
+                /* Zero terminate the stack backtrace.  */
+                child_sf->fp = NULL;
+                t->kregs->u_regs[UREG_FP] =
+                  ((unsigned long) child_sf) - STACK_BIAS;
+
                 /* Special case, if we are spawning a kernel thread from
                  * a userspace task (via KMOD, NFS, or similar) we must
                  * disable performance counters in the child because the
@@ -681,12 +700,7 @@ int copy_thread(int nr, unsigned long clone_flags, unsigned long sp,
                         t->pcr_reg = 0;
                         t->flags &= ~_TIF_PERFCTR;
                 }
-                t->kregs->u_regs[UREG_FP] = t->ksp;
                 t->flags |= ((long)ASI_P << TI_FLAG_CURRENT_DS_SHIFT);
-                flush_register_windows();
-                memcpy((void *)(t->ksp + STACK_BIAS),
-                       (void *)(regs->u_regs[UREG_FP] + STACK_BIAS),
-                       sizeof(struct sparc_stackf));
                 t->kregs->u_regs[UREG_G6] = (unsigned long) t;
                 t->kregs->u_regs[UREG_G4] = (unsigned long) t->task;
         } else {
diff --git a/arch/sparc64/kernel/rtrap.S b/arch/sparc64/kernel/rtrap.S
index 3afacbb5781d..c6fc695fe1fe 100644
--- a/arch/sparc64/kernel/rtrap.S
+++ b/arch/sparc64/kernel/rtrap.S
@@ -363,6 +363,7 @@ kern_rtt:	rdpr			%canrestore, %g1
                 brz,pn                  %g1, kern_rtt_fill
                  nop
 kern_rtt_restore:
+                stw                     %g0, [%sp + PTREGS_OFF + PT_V9_MAGIC]
                 restore
                 retry
 
diff --git a/arch/sparc64/kernel/stacktrace.c b/arch/sparc64/kernel/stacktrace.c
index 01b52f561af4..c73ce3f4197e 100644
--- a/arch/sparc64/kernel/stacktrace.c
+++ b/arch/sparc64/kernel/stacktrace.c
@@ -19,7 +19,7 @@ void save_stack_trace(struct stack_trace *trace)
         fp = ksp + STACK_BIAS;
         thread_base = (unsigned long) tp;
         do {
-                struct reg_window *rw;
+                struct sparc_stackf *sf;
                 struct pt_regs *regs;
                 unsigned long pc;
 
@@ -28,15 +28,17 @@ void save_stack_trace(struct stack_trace *trace)
                     fp >= (thread_base + THREAD_SIZE))
                         break;
 
-                rw = (struct reg_window *) fp;
-                regs = (struct pt_regs *) (rw + 1);
+                sf = (struct sparc_stackf *) fp;
+                regs = (struct pt_regs *) (sf + 1);
 
                 if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
+                        if (!(regs->tstate & TSTATE_PRIV))
+                                break;
                         pc = regs->tpc;
                         fp = regs->u_regs[UREG_I6] + STACK_BIAS;
                 } else {
-                        pc = rw->ins[7];
-                        fp = rw->ins[6] + STACK_BIAS;
+                        pc = sf->callers_pc;
+                        fp = (unsigned long)sf->fp + STACK_BIAS;
                 }
 
                 if (trace->skip > 0)
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index d9b8d46707d1..369749262653 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -2116,7 +2116,7 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
         printk("\n");
 #endif
         do {
-                struct reg_window *rw;
+                struct sparc_stackf *sf;
                 struct pt_regs *regs;
                 unsigned long pc;
 
@@ -2124,15 +2124,17 @@ void show_stack(struct task_struct *tsk, unsigned long *_ksp)
                 if (fp < (thread_base + sizeof(struct thread_info)) ||
                     fp >= (thread_base + THREAD_SIZE))
                         break;
-                rw = (struct reg_window *)fp;
-                regs = (struct pt_regs *) (rw + 1);
+                sf = (struct sparc_stackf *) fp;
+                regs = (struct pt_regs *) (sf + 1);
 
                 if ((regs->magic & ~0x1ff) == PT_REGS_MAGIC) {
+                        if (!(regs->tstate & TSTATE_PRIV))
+                                break;
                         pc = regs->tpc;
                         fp = regs->u_regs[UREG_I6] + STACK_BIAS;
                 } else {
-                        pc = rw->ins[7];
-                        fp = rw->ins[6] + STACK_BIAS;
+                        pc = sf->callers_pc;
+                        fp = (unsigned long)sf->fp + STACK_BIAS;
                 }
 
                 printk(" [%016lx] ", pc);
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index fe361ae7ef2f..dcbec34154cf 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -26,17 +26,10 @@ config X86
         select HAVE_KVM if ((X86_32 && !X86_VOYAGER && !X86_VISWS && !X86_NUMAQ) || X86_64)
         select HAVE_ARCH_KGDB if !X86_VOYAGER
 
-config DEFCONFIG_LIST
+config ARCH_DEFCONFIG
         string
-        depends on X86_32
-        option defconfig_list
-        default "arch/x86/configs/i386_defconfig"
-
-config DEFCONFIG_LIST
-        string
-        depends on X86_64
-        option defconfig_list
-        default "arch/x86/configs/x86_64_defconfig"
+        default "arch/x86/configs/i386_defconfig" if X86_32
+        default "arch/x86/configs/x86_64_defconfig" if X86_64
 
 
 config GENERIC_LOCKBREAK
diff --git a/arch/x86/boot/printf.c b/arch/x86/boot/printf.c
index c1d00c0274c4..50e47cdbdddd 100644
--- a/arch/x86/boot/printf.c
+++ b/arch/x86/boot/printf.c
@@ -56,7 +56,7 @@ static char *number(char *str, long num, int base, int size, int precision,
         if (type & LEFT)
                 type &= ~ZEROPAD;
         if (base < 2 || base > 36)
-                return 0;
+                return NULL;
         c = (type & ZEROPAD) ? '0' : ' ';
         sign = 0;
         if (type & SIGN) {
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 5910020c3f24..0633cfd0dc29 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -534,7 +534,7 @@ int setup_profiling_timer(unsigned int multiplier)
  */
 void clear_local_APIC(void)
 {
-        int maxlvt = lapic_get_maxlvt();
+        int maxlvt;
         u32 v;
 
         /* APIC hasn't been mapped yet */
diff --git a/arch/x86/kernel/cpu/cpufreq/longrun.c b/arch/x86/kernel/cpu/cpufreq/longrun.c
index af4a867a097c..777a7ff075de 100644
--- a/arch/x86/kernel/cpu/cpufreq/longrun.c
+++ b/arch/x86/kernel/cpu/cpufreq/longrun.c
@@ -245,7 +245,7 @@ static unsigned int __init longrun_determine_freqs(unsigned int *low_freq,
         if ((ecx > 95) || (ecx == 0) || (eax < ebx))
                 return -EIO;
 
-        edx = (eax - ebx) / (100 - ecx);
+        edx = ((eax - ebx) * 100) / (100 - ecx);
         *low_freq = edx * 1000; /* back to kHz */
 
         dprintk("low frequency is %u kHz\n", *low_freq);
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 46d4034d9f37..206791eb46e3 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -1127,12 +1127,23 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
                  * an UP version, and is deprecated by AMD.
                  */
                 if (num_online_cpus() != 1) {
-                        printk(KERN_ERR PFX "MP systems not supported by PSB BIOS structure\n");
+#ifndef CONFIG_ACPI_PROCESSOR
+                        printk(KERN_ERR PFX "ACPI Processor support is required "
+                               "for SMP systems but is absent. Please load the "
+                               "ACPI Processor module before starting this "
+                               "driver.\n");
+#else
+                        printk(KERN_ERR PFX "Your BIOS does not provide ACPI "
+                               "_PSS objects in a way that Linux understands. "
+                               "Please report this to the Linux ACPI maintainers"
+                               " and complain to your BIOS vendor.\n");
+#endif
                         kfree(data);
                         return -ENODEV;
                 }
                 if (pol->cpu != 0) {
-                        printk(KERN_ERR PFX "No _PSS objects for CPU other than CPU0\n");
+                        printk(KERN_ERR PFX "No ACPI _PSS objects for CPU other than "
+                               "CPU0. Complain to your BIOS vendor.\n");
                         kfree(data);
                         return -ENODEV;
                 }
diff --git a/arch/x86/kernel/kvmclock.c b/arch/x86/kernel/kvmclock.c
index 4bc1be5d5472..08a30986d472 100644
--- a/arch/x86/kernel/kvmclock.c
+++ b/arch/x86/kernel/kvmclock.c
@@ -53,7 +53,7 @@ static cycle_t kvm_clock_read(void);
  * have elapsed since the hypervisor wrote the data. So we try to account for
  * that with system time
  */
-unsigned long kvm_get_wallclock(void)
+static unsigned long kvm_get_wallclock(void)
 {
         u32 wc_sec, wc_nsec;
         u64 delta;
@@ -86,7 +86,7 @@ unsigned long kvm_get_wallclock(void)
         return ts.tv_sec + 1;
 }
 
-int kvm_set_wallclock(unsigned long now)
+static int kvm_set_wallclock(unsigned long now)
 {
         return 0;
 }
diff --git a/arch/x86/kernel/tsc_32.c b/arch/x86/kernel/tsc_32.c
index e4790728b224..068759db63dd 100644
--- a/arch/x86/kernel/tsc_32.c
+++ b/arch/x86/kernel/tsc_32.c
@@ -14,7 +14,7 @@
 
 #include "mach_timer.h"
 
-static int tsc_enabled;
+static int tsc_disabled;
 
 /*
  * On some systems the TSC frequency does not
@@ -28,8 +28,8 @@ EXPORT_SYMBOL_GPL(tsc_khz);
 static int __init tsc_setup(char *str)
 {
         printk(KERN_WARNING "notsc: Kernel compiled with CONFIG_X86_TSC, "
-                                "cannot disable TSC completely.\n");
-        mark_tsc_unstable("user disabled TSC");
+               "cannot disable TSC completely.\n");
+        tsc_disabled = 1;
         return 1;
 }
 #else
@@ -120,7 +120,7 @@ unsigned long long native_sched_clock(void)
          *   very important for it to be as fast as the platform
          *   can achive it. )
          */
-        if (unlikely(!tsc_enabled && !tsc_unstable))
+        if (unlikely(tsc_disabled))
                 /* No locking but a rare wrong value is not a big deal: */
                 return (jiffies_64 - INITIAL_JIFFIES) * (1000000000 / HZ);
 
@@ -322,7 +322,6 @@ void mark_tsc_unstable(char *reason)
 {
         if (!tsc_unstable) {
                 tsc_unstable = 1;
-                tsc_enabled = 0;
                 printk("Marking TSC unstable due to: %s.\n", reason);
                 /* Can be called before registration */
                 if (clocksource_tsc.mult)
@@ -336,7 +335,7 @@ EXPORT_SYMBOL_GPL(mark_tsc_unstable);
 static int __init dmi_mark_tsc_unstable(const struct dmi_system_id *d)
 {
         printk(KERN_NOTICE "%s detected: marking TSC unstable.\n",
-                       d->ident);
+               d->ident);
         tsc_unstable = 1;
         return 0;
 }
@@ -403,14 +402,22 @@ void __init tsc_init(void)
 {
         int cpu;
 
-        if (!cpu_has_tsc)
+        if (!cpu_has_tsc || tsc_disabled) {
+                /* Disable the TSC in case of !cpu_has_tsc */
+                tsc_disabled = 1;
                 return;
+        }
 
         cpu_khz = calculate_cpu_khz();
         tsc_khz = cpu_khz;
 
         if (!cpu_khz) {
                 mark_tsc_unstable("could not calculate TSC khz");
+                /*
+                 * We need to disable the TSC completely in this case
+                 * to prevent sched_clock() from using it.
+                 */
+                tsc_disabled = 1;
                 return;
         }
 
@@ -441,8 +448,6 @@ void __init tsc_init(void)
         if (check_tsc_unstable()) {
                 clocksource_tsc.rating = 0;
                 clocksource_tsc.flags &= ~CLOCK_SOURCE_IS_CONTINUOUS;
-        } else
-                tsc_enabled = 1;
-
+        }
         clocksource_register(&clocksource_tsc);
 }
diff --git a/arch/x86/kernel/tsc_64.c b/arch/x86/kernel/tsc_64.c
index fcc16e58609e..1784b8077a12 100644
--- a/arch/x86/kernel/tsc_64.c
+++ b/arch/x86/kernel/tsc_64.c
@@ -227,14 +227,14 @@ void __init tsc_calibrate(void)
         /* hpet or pmtimer available ? */
         if (!hpet && !pm1 && !pm2) {
                 printk(KERN_INFO "TSC calibrated against PIT\n");
-                return;
+                goto out;
         }
 
         /* Check, whether the sampling was disturbed by an SMI */
         if (tsc1 == ULONG_MAX || tsc2 == ULONG_MAX) {
                 printk(KERN_WARNING "TSC calibration disturbed by SMI, "
                        "using PIT calibration result\n");
-                return;
+                goto out;
         }
 
         tsc2 = (tsc2 - tsc1) * 1000000L;
@@ -255,6 +255,7 @@ void __init tsc_calibrate(void)
 
         tsc_khz = tsc2 / tsc1;
 
+out:
         for_each_possible_cpu(cpu)
                 set_cyc2ns_scale(tsc_khz, cpu);
 }
diff --git a/arch/x86/kvm/mmu.c b/arch/x86/kvm/mmu.c
index 36c5406b1813..7246b60afb96 100644
--- a/arch/x86/kvm/mmu.c
+++ b/arch/x86/kvm/mmu.c
@@ -1996,7 +1996,7 @@ static struct shrinker mmu_shrinker = {
         .seeks = DEFAULT_SEEKS * 10,
 };
 
-void mmu_destroy_caches(void)
+static void mmu_destroy_caches(void)
 {
         if (pte_chain_cache)
                 kmem_cache_destroy(pte_chain_cache);
diff --git a/arch/x86/vdso/vclock_gettime.c b/arch/x86/vdso/vclock_gettime.c
index 23476c2ebfc4..efa2ba7c6005 100644
--- a/arch/x86/vdso/vclock_gettime.c
+++ b/arch/x86/vdso/vclock_gettime.c
@@ -106,9 +106,9 @@ int __vdso_gettimeofday(struct timeval *tv, struct timezone *tz)
                 do_realtime((struct timespec *)tv);
                 tv->tv_usec /= 1000;
                 if (unlikely(tz != NULL)) {
-                        /* This relies on gcc inlining the memcpy. We'll notice
-                           if it ever fails to do so. */
-                        memcpy(tz, &gtod->sys_tz, sizeof(struct timezone));
+                        /* Avoid memcpy. Some old compilers fail to inline it */
+                        tz->tz_minuteswest = gtod->sys_tz.tz_minuteswest;
+                        tz->tz_dsttime = gtod->sys_tz.tz_dsttime;
                 }
                 return 0;
         }
diff --git a/arch/x86/xen/mmu.c b/arch/x86/xen/mmu.c
index 126766d43aea..3525ef523a74 100644
--- a/arch/x86/xen/mmu.c
+++ b/arch/x86/xen/mmu.c
@@ -60,7 +60,7 @@ xmaddr_t arbitrary_virt_to_machine(unsigned long address)
 {
         unsigned int level;
         pte_t *pte = lookup_address(address, &level);
-        unsigned offset = address & PAGE_MASK;
+        unsigned offset = address & ~PAGE_MASK;
 
         BUG_ON(pte == NULL);