188 files changed, 3246 insertions, 1885 deletions

diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig
index bf397a9f8ac2..475950c8a831 100644
--- a/arch/arm/Kconfig
+++ b/arch/arm/Kconfig
@@ -497,7 +497,7 @@ source "drivers/cpufreq/Kconfig"
 
 config CPU_FREQ_SA1100
         bool
-        depends on CPU_FREQ && (SA1100_LART || SA1100_PLEB)
+        depends on CPU_FREQ && (SA1100_H3100 || SA1100_H3600 || SA1100_H3800 || SA1100_LART || SA1100_PLEB || SA1100_BADGE4 || SA1100_HACKKIT)
         default y
 
 config CPU_FREQ_SA1110
@@ -689,7 +689,9 @@ source "drivers/block/Kconfig"
 
 source "drivers/acorn/block/Kconfig"
 
-if ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE
+if PCMCIA || ARCH_CLPS7500 || ARCH_IOP3XX || ARCH_IXP4XX \
+        || ARCH_L7200 || ARCH_LH7A40X || ARCH_PXA || ARCH_RPC \
+        || ARCH_S3C2410 || ARCH_SA1100 || ARCH_SHARK || FOOTBRIDGE
 source "drivers/ide/Kconfig"
 endif
 
diff --git a/arch/arm/boot/compressed/head-xscale.S b/arch/arm/boot/compressed/head-xscale.S
index 665bd2c20743..d3fe2533907e 100644
--- a/arch/arm/boot/compressed/head-xscale.S
+++ b/arch/arm/boot/compressed/head-xscale.S
@@ -47,3 +47,10 @@ __XScale_start:
                orr     r7, r7, #(MACH_TYPE_GTWX5715 & 0xff00)
 #endif
 
+#ifdef CONFIG_ARCH_IXP2000
+                mov     r1, #-1
+                mov     r0, #0xd6000000
+                str     r1, [r0, #0x14]
+                str     r1, [r0, #0x18]
+#endif
+
diff --git a/arch/arm/configs/badge4_defconfig b/arch/arm/configs/badge4_defconfig
index 2b4059d2f8e4..5d92af975d87 100644
--- a/arch/arm/configs/badge4_defconfig
+++ b/arch/arm/configs/badge4_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc1-bk2
-# Sat Mar 26 21:32:26 2005
+# Linux kernel version: 2.6.12-rc6-git3
+# Thu Jun  9 19:00:50 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -16,6 +16,7 @@ CONFIG_GENERIC_IOMAP=y
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -34,6 +35,8 @@ CONFIG_EMBEDDED=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -109,7 +112,6 @@ CONFIG_CPU_ABRT_EV4=y
 CONFIG_CPU_CACHE_V4WB=y
 CONFIG_CPU_CACHE_VIVT=y
 CONFIG_CPU_TLB_V4WB=y
-CONFIG_CPU_MINICACHE=y
 
 #
 # Processor Features
@@ -122,6 +124,7 @@ CONFIG_FORCE_MAX_ZONEORDER=9
 # Bus support
 #
 CONFIG_ISA=y
+CONFIG_ISA_DMA_API=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -131,6 +134,7 @@ CONFIG_ISA=y
 #
 # Kernel Features
 #
+# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
 CONFIG_DISCONTIGMEM=y
 # CONFIG_LEDS is not set
@@ -152,12 +156,14 @@ CONFIG_CPU_FREQ_TABLE=y
 # CONFIG_CPU_FREQ_DEBUG is not set
 CONFIG_CPU_FREQ_STAT=y
 # CONFIG_CPU_FREQ_STAT_DETAILS is not set
-CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
-# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
 # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
-# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
 # CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_SA1100=y
 
 #
 # Floating point emulation
@@ -294,7 +300,6 @@ CONFIG_PARPORT_NOT_PC=y
 #
 # Block devices
 #
-# CONFIG_BLK_DEV_FD is not set
 # CONFIG_BLK_DEV_XD is not set
 # CONFIG_PARIDE is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
@@ -428,7 +433,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -526,6 +530,7 @@ CONFIG_IRDA_ULTRA=y
 # CONFIG_SMC_IRCC_FIR is not set
 # CONFIG_ALI_FIR is not set
 CONFIG_SA1100_FIR=y
+# CONFIG_VIA_FIR is not set
 CONFIG_BT=m
 CONFIG_BT_L2CAP=m
 # CONFIG_BT_SCO is not set
@@ -618,7 +623,6 @@ CONFIG_NET_WIRELESS=y
 #
 # CONFIG_SERIO is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
@@ -687,7 +691,6 @@ CONFIG_RTC=m
 #
 # TPM devices
 #
-# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
@@ -736,6 +739,7 @@ CONFIG_I2C_ELEKTOR=m
 # CONFIG_SENSORS_LM85 is not set
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
@@ -747,6 +751,7 @@ CONFIG_I2C_ELEKTOR=m
 #
 # Other I2C Chip support
 #
+# CONFIG_SENSORS_DS1337 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCF8591 is not set
@@ -871,7 +876,6 @@ CONFIG_USB_PRINTER=m
 #
 CONFIG_USB_STORAGE=y
 CONFIG_USB_STORAGE_DEBUG=y
-# CONFIG_USB_STORAGE_RW_DETECT is not set
 # CONFIG_USB_STORAGE_DATAFAB is not set
 # CONFIG_USB_STORAGE_FREECOM is not set
 # CONFIG_USB_STORAGE_ISD200 is not set
@@ -954,9 +958,11 @@ CONFIG_USB_USS720=m
 #
 CONFIG_USB_SERIAL=m
 CONFIG_USB_SERIAL_GENERIC=y
+# CONFIG_USB_SERIAL_AIRPRIME is not set
 CONFIG_USB_SERIAL_BELKIN=m
 CONFIG_USB_SERIAL_WHITEHEAT=m
 CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
+# CONFIG_USB_SERIAL_CP2101 is not set
 # CONFIG_USB_SERIAL_CYPRESS_M8 is not set
 CONFIG_USB_SERIAL_EMPEG=m
 CONFIG_USB_SERIAL_FTDI_SIO=m
@@ -985,6 +991,7 @@ CONFIG_USB_SERIAL_KEYSPAN=m
 # CONFIG_USB_SERIAL_KOBIL_SCT is not set
 CONFIG_USB_SERIAL_MCT_U232=m
 CONFIG_USB_SERIAL_PL2303=m
+# CONFIG_USB_SERIAL_HP4X is not set
 # CONFIG_USB_SERIAL_SAFE is not set
 # CONFIG_USB_SERIAL_TI is not set
 CONFIG_USB_SERIAL_CYBERJACK=m
diff --git a/arch/arm/configs/h3600_defconfig b/arch/arm/configs/h3600_defconfig
index b4e297dd54b2..b9de07de80fe 100644
--- a/arch/arm/configs/h3600_defconfig
+++ b/arch/arm/configs/h3600_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc1-bk2
-# Mon Mar 28 00:02:26 2005
+# Linux kernel version: 2.6.12-rc4
+# Thu Jun  9 01:59:03 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -16,6 +16,7 @@ CONFIG_GENERIC_IOMAP=y
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -33,6 +34,8 @@ CONFIG_KOBJECT_UEVENT=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -120,6 +123,7 @@ CONFIG_CPU_MINICACHE=y
 # Bus support
 #
 CONFIG_ISA=y
+CONFIG_ISA_DMA_API=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -138,6 +142,7 @@ CONFIG_PCMCIA_SA1100=y
 #
 # Kernel Features
 #
+# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
 CONFIG_DISCONTIGMEM=y
 # CONFIG_LEDS is not set
@@ -159,12 +164,13 @@ CONFIG_CPU_FREQ_TABLE=y
 # CONFIG_CPU_FREQ_DEBUG is not set
 CONFIG_CPU_FREQ_STAT=y
 # CONFIG_CPU_FREQ_STAT_DETAILS is not set
-CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
-# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
-CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
+# CONFIG_CPU_FREQ_GOV_PERFORMANCE is not set
 # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
-# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
 # CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
+CONFIG_CPU_FREQ_SA1100=y
 
 #
 # Floating point emulation
@@ -298,7 +304,6 @@ CONFIG_MTD_SA1100=y
 #
 # Block devices
 #
-# CONFIG_BLK_DEV_FD is not set
 # CONFIG_BLK_DEV_XD is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=m
@@ -379,7 +384,6 @@ CONFIG_NET=y
 # Networking options
 #
 # CONFIG_PACKET is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -476,6 +480,7 @@ CONFIG_IRCOMM=m
 # CONFIG_SMC_IRCC_FIR is not set
 # CONFIG_ALI_FIR is not set
 CONFIG_SA1100_FIR=m
+# CONFIG_VIA_FIR is not set
 # CONFIG_BT is not set
 CONFIG_NETDEVICES=y
 # CONFIG_DUMMY is not set
@@ -647,7 +652,6 @@ CONFIG_LEGACY_PTY_COUNT=256
 #
 # TPM devices
 #
-# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
@@ -676,9 +680,11 @@ CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_SOFT_CURSOR=y
+# CONFIG_FB_MACMODES is not set
 # CONFIG_FB_MODE_HELPERS is not set
 # CONFIG_FB_TILEBLITTING is not set
 CONFIG_FB_SA1100=y
+# CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
 #
diff --git a/arch/arm/configs/hackkit_defconfig b/arch/arm/configs/hackkit_defconfig
index 6987c8c5ddb4..fb41a36a5a68 100644
--- a/arch/arm/configs/hackkit_defconfig
+++ b/arch/arm/configs/hackkit_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc1-bk2
-# Mon Mar 28 00:22:34 2005
+# Linux kernel version: 2.6.12-rc6-git3
+# Thu Jun  9 20:58:58 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -16,6 +16,7 @@ CONFIG_GENERIC_IOMAP=y
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -34,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -109,7 +112,6 @@ CONFIG_CPU_ABRT_EV4=y
 CONFIG_CPU_CACHE_V4WB=y
 CONFIG_CPU_CACHE_VIVT=y
 CONFIG_CPU_TLB_V4WB=y
-CONFIG_CPU_MINICACHE=y
 
 #
 # Processor Features
@@ -119,6 +121,7 @@ CONFIG_CPU_MINICACHE=y
 # Bus support
 #
 CONFIG_ISA=y
+CONFIG_ISA_DMA_API=y
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -128,6 +131,7 @@ CONFIG_ISA=y
 #
 # Kernel Features
 #
+# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
 CONFIG_DISCONTIGMEM=y
 CONFIG_LEDS=y
@@ -151,12 +155,14 @@ CONFIG_CPU_FREQ_TABLE=y
 # CONFIG_CPU_FREQ_DEBUG is not set
 CONFIG_CPU_FREQ_STAT=y
 # CONFIG_CPU_FREQ_STAT_DETAILS is not set
-CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
-# CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE is not set
+# CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE is not set
+CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE=y
 CONFIG_CPU_FREQ_GOV_PERFORMANCE=y
 # CONFIG_CPU_FREQ_GOV_POWERSAVE is not set
-# CONFIG_CPU_FREQ_GOV_USERSPACE is not set
+CONFIG_CPU_FREQ_GOV_USERSPACE=y
 # CONFIG_CPU_FREQ_GOV_ONDEMAND is not set
+# CONFIG_CPU_FREQ_GOV_CONSERVATIVE is not set
+CONFIG_CPU_FREQ_SA1100=y
 
 #
 # Floating point emulation
@@ -280,7 +286,6 @@ CONFIG_MTD_CFI_UTIL=y
 #
 # Block devices
 #
-# CONFIG_BLK_DEV_FD is not set
 # CONFIG_BLK_DEV_XD is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
 # CONFIG_BLK_DEV_LOOP is not set
@@ -338,7 +343,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -484,7 +488,6 @@ CONFIG_SERIO=y
 CONFIG_SERIO_SERPORT=y
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
@@ -533,7 +536,6 @@ CONFIG_LEGACY_PTY_COUNT=256
 #
 # TPM devices
 #
-# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 78cf84cdc2ae..39a6c1b0b9a3 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -308,7 +308,7 @@ __pabt_svc:
         str     r1, [sp]                @ save the "real" r0 copied
                                         @ from the exception stack
 
-#if __LINUX_ARM_ARCH__ < 6
+#if __LINUX_ARM_ARCH__ < 6 && !defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
         @ make sure our user space atomic helper is aborted
         cmp     r2, #VIRT_OFFSET
         bichs   r3, r3, #PSR_Z_BIT
@@ -648,11 +648,17 @@ __kuser_helper_start:
 
 __kuser_cmpxchg:                                @ 0xffff0fc0
 
-#if __LINUX_ARM_ARCH__ < 6
+#if defined(CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG)
 
-#ifdef CONFIG_SMP  /* sanity check */
-#error "CONFIG_SMP on a machine supporting pre-ARMv6 processors?"
-#endif
+        /*
+         * Poor you.  No fast solution possible...
+         * The kernel itself must perform the operation.
+         * A special ghost syscall is used for that (see traps.c).
+         */
+        swi     #0x9ffff0
+        mov     pc, lr
+
+#elif __LINUX_ARM_ARCH__ < 6
 
         /*
          * Theory of operation:
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 14df16b983f4..45d2a032d890 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -464,6 +464,55 @@ asmlinkage int arm_syscall(int no, struct pt_regs *regs)
 #endif
                 return 0;
 
+#ifdef CONFIG_NEEDS_SYSCALL_FOR_CMPXCHG
+        /*
+         * Atomically store r1 in *r2 if *r2 is equal to r0 for user space.
+         * Return zero in r0 if *MEM was changed or non-zero if no exchange
+         * happened.  Also set the user C flag accordingly.
+         * If access permissions have to be fixed up then non-zero is
+         * returned and the operation has to be re-attempted.
+         *
+         * *NOTE*: This is a ghost syscall private to the kernel.  Only the
+         * __kuser_cmpxchg code in entry-armv.S should be aware of its
+         * existence.  Don't ever use this from user code.
+         */
+        case 0xfff0:
+        {
+                extern void do_DataAbort(unsigned long addr, unsigned int fsr,
+                                         struct pt_regs *regs);
+                unsigned long val;
+                unsigned long addr = regs->ARM_r2;
+                struct mm_struct *mm = current->mm;
+                pgd_t *pgd; pmd_t *pmd; pte_t *pte;
+
+                regs->ARM_cpsr &= ~PSR_C_BIT;
+                spin_lock(&mm->page_table_lock);
+                pgd = pgd_offset(mm, addr);
+                if (!pgd_present(*pgd))
+                        goto bad_access;
+                pmd = pmd_offset(pgd, addr);
+                if (!pmd_present(*pmd))
+                        goto bad_access;
+                pte = pte_offset_map(pmd, addr);
+                if (!pte_present(*pte) || !pte_write(*pte))
+                        goto bad_access;
+                val = *(unsigned long *)addr;
+                val -= regs->ARM_r0;
+                if (val == 0) {
+                        *(unsigned long *)addr = regs->ARM_r1;
+                        regs->ARM_cpsr |= PSR_C_BIT;
+                }
+                spin_unlock(&mm->page_table_lock);
+                return val;
+
+                bad_access:
+                spin_unlock(&mm->page_table_lock);
+                /* simulate a read access fault */
+                do_DataAbort(addr, 15 + (1 << 11), regs);
+                return -1;
+        }
+#endif
+
         default:
                 /* Calls 9f00xx..9f07ff are defined to return -ENOSYS
                    if not implemented, rather than raising SIGILL.  This
diff --git a/arch/arm/lib/io-writesw-armv4.S b/arch/arm/lib/io-writesw-armv4.S
index 6d1d7c27806e..5e240e452af6 100644
--- a/arch/arm/lib/io-writesw-armv4.S
+++ b/arch/arm/lib/io-writesw-armv4.S
@@ -87,9 +87,9 @@ ENTRY(__raw_writesw)
                 subs    r2, r2, #2
                 orr     ip, ip, r3, push_hbyte1
                 strh    ip, [r0]
-                bpl     2b
+                bpl     1b
 
-3:              tst     r2, #1
-2:              movne   ip, r3, lsr #8
+                tst     r2, #1
+3:              movne   ip, r3, lsr #8
                 strneh  ip, [r0]
                 mov     pc, lr
diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c
index 3b948e8c2751..e0a01eef0993 100644
--- a/arch/arm/mach-integrator/integrator_cp.c
+++ b/arch/arm/mach-integrator/integrator_cp.c
@@ -83,7 +83,6 @@ static struct map_desc intcp_io_desc[] __initdata = {
  { IO_ADDRESS(INTEGRATOR_UART1_BASE), INTEGRATOR_UART1_BASE, SZ_4K,  MT_DEVICE },
  { IO_ADDRESS(INTEGRATOR_DBG_BASE),   INTEGRATOR_DBG_BASE,   SZ_4K,  MT_DEVICE },
  { IO_ADDRESS(INTEGRATOR_GPIO_BASE),  INTEGRATOR_GPIO_BASE,  SZ_4K,  MT_DEVICE },
- { 0xfc900000, 0xc9000000, SZ_4K, MT_DEVICE },
  { 0xfca00000, 0xca000000, SZ_4K, MT_DEVICE },
  { 0xfcb00000, 0xcb000000, SZ_4K, MT_DEVICE },
 };
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index dd012d6e2f5c..f2c9e0d2b24b 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -15,6 +15,7 @@
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/sysdev.h>
 #include <linux/major.h>
 #include <linux/fb.h>
 #include <linux/interrupt.h>
@@ -106,6 +107,35 @@ static void __init lubbock_init_irq(void)
         set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
 }
 
+#ifdef CONFIG_PM
+
+static int lubbock_irq_resume(struct sys_device *dev)
+{
+        LUB_IRQ_MASK_EN = lubbock_irq_enabled;
+        return 0;
+}
+
+static struct sysdev_class lubbock_irq_sysclass = {
+        set_kset_name("cpld_irq"),
+        .resume = lubbock_irq_resume,
+};
+
+static struct sys_device lubbock_irq_device = {
+        .cls = &lubbock_irq_sysclass,
+};
+
+static int __init lubbock_irq_device_init(void)
+{
+        int ret = sysdev_class_register(&lubbock_irq_sysclass);
+        if (ret == 0)
+                ret = sysdev_register(&lubbock_irq_device);
+        return ret;
+}
+
+device_initcall(lubbock_irq_device_init);
+
+#endif
+
 static int lubbock_udc_is_connected(void)
 {
         return (LUB_MISC_RD & (1 << 9)) == 0;
diff --git a/arch/arm/mach-pxa/mainstone.c b/arch/arm/mach-pxa/mainstone.c
index 3f952237ae3d..9896afca751f 100644
--- a/arch/arm/mach-pxa/mainstone.c
+++ b/arch/arm/mach-pxa/mainstone.c
@@ -15,6 +15,7 @@
 
 #include <linux/init.h>
 #include <linux/device.h>
+#include <linux/sysdev.h>
 #include <linux/interrupt.h>
 #include <linux/sched.h>
 #include <linux/bitops.h>
@@ -62,7 +63,6 @@ static struct irqchip mainstone_irq_chip = {
         .unmask         = mainstone_unmask_irq,
 };
 
-
 static void mainstone_irq_handler(unsigned int irq, struct irqdesc *desc,
                                   struct pt_regs *regs)
 {
@@ -100,6 +100,35 @@ static void __init mainstone_init_irq(void)
         set_irq_type(IRQ_GPIO(0), IRQT_FALLING);
 }
 
+#ifdef CONFIG_PM
+
+static int mainstone_irq_resume(struct sys_device *dev)
+{
+        MST_INTMSKENA = mainstone_irq_enabled;
+        return 0;
+}
+
+static struct sysdev_class mainstone_irq_sysclass = {
+        set_kset_name("cpld_irq"),
+        .resume = mainstone_irq_resume,
+};
+
+static struct sys_device mainstone_irq_device = {
+        .cls = &mainstone_irq_sysclass,
+};
+
+static int __init mainstone_irq_device_init(void)
+{
+        int ret = sysdev_class_register(&mainstone_irq_sysclass);
+        if (ret == 0)
+                ret = sysdev_register(&mainstone_irq_device);
+        return ret;
+}
+
+device_initcall(mainstone_irq_device_init);
+
+#endif
+
 
 static struct resource smc91x_resources[] = {
         [0] = {
@@ -304,6 +333,15 @@ static void __init mainstone_map_io(void)
         PWER  = 0xC0000002;
         PRER  = 0x00000002;
         PFER  = 0x00000002;
+        /*      for use I SRAM as framebuffer.  */
+        PSLR |= 0xF04;
+        PCFR = 0x66;
+        /*      For Keypad wakeup.      */
+        KPC &=~KPC_ASACT;
+        KPC |=KPC_AS;
+        PKWR  = 0x000FD000;
+        /*      Need read PKWR back after set it.       */
+        PKWR;
 }
 
 MACHINE_START(MAINSTONE, "Intel HCDDBBVA0 Development Platform (aka Mainstone)")
diff --git a/arch/arm/mach-pxa/pm.c b/arch/arm/mach-pxa/pm.c
index 82a4bf34c251..9799fe80df23 100644
--- a/arch/arm/mach-pxa/pm.c
+++ b/arch/arm/mach-pxa/pm.c
@@ -29,9 +29,6 @@
  */
 #undef DEBUG
 
-extern void pxa_cpu_suspend(void);
-extern void pxa_cpu_resume(void);
-
 #define SAVE(x)         sleep_save[SLEEP_SAVE_##x] = x
 #define RESTORE(x)      x = sleep_save[SLEEP_SAVE_##x]
 
@@ -63,6 +60,12 @@ enum {	SLEEP_SAVE_START = 0,
         SLEEP_SAVE_ICMR,
         SLEEP_SAVE_CKEN,
 
+#ifdef CONFIG_PXA27x
+        SLEEP_SAVE_MDREFR,
+        SLEEP_SAVE_PWER, SLEEP_SAVE_PCFR, SLEEP_SAVE_PRER,
+        SLEEP_SAVE_PFER, SLEEP_SAVE_PKWR,
+#endif
+
         SLEEP_SAVE_CKSUM,
 
         SLEEP_SAVE_SIZE
@@ -75,9 +78,7 @@ static int pxa_pm_enter(suspend_state_t state)
         unsigned long checksum = 0;
         struct timespec delta, rtc;
         int i;
-
-        if (state != PM_SUSPEND_MEM)
-                return -EINVAL;
+        extern void pxa_cpu_pm_enter(suspend_state_t state);
 
 #ifdef CONFIG_IWMMXT
         /* force any iWMMXt context to ram **/
@@ -100,16 +101,17 @@ static int pxa_pm_enter(suspend_state_t state)
         SAVE(GAFR2_L); SAVE(GAFR2_U);
 
 #ifdef CONFIG_PXA27x
+        SAVE(MDREFR);
         SAVE(GPLR3); SAVE(GPDR3); SAVE(GRER3); SAVE(GFER3); SAVE(PGSR3);
         SAVE(GAFR3_L); SAVE(GAFR3_U);
+        SAVE(PWER); SAVE(PCFR); SAVE(PRER);
+        SAVE(PFER); SAVE(PKWR);
 #endif
 
         SAVE(ICMR);
         ICMR = 0;
 
         SAVE(CKEN);
-        CKEN = 0;
-
         SAVE(PSTR);
 
         /* Note: wake up source are set up in each machine specific files */
@@ -123,16 +125,13 @@ static int pxa_pm_enter(suspend_state_t state)
         /* Clear sleep reset status */
         RCSR = RCSR_SMR;
 
-        /* set resume return address */
-        PSPR = virt_to_phys(pxa_cpu_resume);
-
         /* before sleeping, calculate and save a checksum */
         for (i = 0; i < SLEEP_SAVE_SIZE - 1; i++)
                 checksum += sleep_save[i];
         sleep_save[SLEEP_SAVE_CKSUM] = checksum;
 
         /* *** go zzz *** */
-        pxa_cpu_suspend();
+        pxa_cpu_pm_enter(state);
 
         /* after sleeping, validate the checksum */
         checksum = 0;
@@ -145,7 +144,7 @@ static int pxa_pm_enter(suspend_state_t state)
                 LUB_HEXLED = 0xbadbadc5;
 #endif
                 while (1)
-                        pxa_cpu_suspend();
+                        pxa_cpu_pm_enter(state);
         }
 
         /* ensure not to come back here if it wasn't intended */
@@ -162,8 +161,11 @@ static int pxa_pm_enter(suspend_state_t state)
         RESTORE(PGSR0); RESTORE(PGSR1); RESTORE(PGSR2);
 
 #ifdef CONFIG_PXA27x
+        RESTORE(MDREFR);
         RESTORE(GAFR3_L); RESTORE(GAFR3_U); RESTORE_GPLEVEL(3);
         RESTORE(GPDR3); RESTORE(GRER3); RESTORE(GFER3); RESTORE(PGSR3);
+        RESTORE(PWER); RESTORE(PCFR); RESTORE(PRER);
+        RESTORE(PFER); RESTORE(PKWR);
 #endif
 
         PSSR = PSSR_RDH | PSSR_PH;
@@ -197,7 +199,9 @@ unsigned long sleep_phys_sp(void *sp)
  */
 static int pxa_pm_prepare(suspend_state_t state)
 {
-        return 0;
+        extern int pxa_cpu_pm_prepare(suspend_state_t state);
+
+        return pxa_cpu_pm_prepare(state);
 }
 
 /*
diff --git a/arch/arm/mach-pxa/pxa25x.c b/arch/arm/mach-pxa/pxa25x.c
index e887b7175ef3..7869c3b4e62f 100644
--- a/arch/arm/mach-pxa/pxa25x.c
+++ b/arch/arm/mach-pxa/pxa25x.c
@@ -16,6 +16,7 @@
  * initialization stuff for PXA machines which can be overridden later if
  * need be.
  */
+#include <linux/config.h>
 #include <linux/module.h>
 #include <linux/kernel.h>
 #include <linux/init.h>
@@ -102,3 +103,35 @@ unsigned int get_lcdclk_frequency_10khz(void)
 }
 
 EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
+
+#ifdef CONFIG_PM
+
+int pxa_cpu_pm_prepare(suspend_state_t state)
+{
+        switch (state) {
+        case PM_SUSPEND_MEM:
+                break;
+        default:
+                return -EINVAL;
+        }
+
+        return 0;
+}
+
+void pxa_cpu_pm_enter(suspend_state_t state)
+{
+        extern void pxa_cpu_suspend(unsigned int);
+        extern void pxa_cpu_resume(void);
+
+        CKEN = 0;
+
+        switch (state) {
+        case PM_SUSPEND_MEM:
+                /* set resume return address */
+                PSPR = virt_to_phys(pxa_cpu_resume);
+                pxa_cpu_suspend(3);
+                break;
+        }
+}
+
+#endif
diff --git a/arch/arm/mach-pxa/pxa27x.c b/arch/arm/mach-pxa/pxa27x.c
index 7e863afefb53..893964fb9659 100644
--- a/arch/arm/mach-pxa/pxa27x.c
+++ b/arch/arm/mach-pxa/pxa27x.c
@@ -120,6 +120,42 @@ EXPORT_SYMBOL(get_clk_frequency_khz);
 EXPORT_SYMBOL(get_memclk_frequency_10khz);
 EXPORT_SYMBOL(get_lcdclk_frequency_10khz);
 
+#ifdef CONFIG_PM
+
+int pxa_cpu_pm_prepare(suspend_state_t state)
+{
+        switch (state) {
+        case PM_SUSPEND_MEM:
+                return 0;
+        default:
+                return -EINVAL;
+        }
+}
+
+void pxa_cpu_pm_enter(suspend_state_t state)
+{
+        extern void pxa_cpu_standby(void);
+        extern void pxa_cpu_suspend(unsigned int);
+        extern void pxa_cpu_resume(void);
+
+        CKEN = CKEN22_MEMC | CKEN9_OSTIMER;
+
+        /* ensure voltage-change sequencer not initiated, which hangs */
+        PCFR &= ~PCFR_FVC;
+
+        /* Clear edge-detect status register. */
+        PEDR = 0xDF12FE1B;
+
+        switch (state) {
+        case PM_SUSPEND_MEM:
+                /* set resume return address */
+                PSPR = virt_to_phys(pxa_cpu_resume);
+                pxa_cpu_suspend(3);
+                break;
+        }
+}
+
+#endif
 
 /*
  * device registration specific to PXA27x.
diff --git a/arch/arm/mach-s3c2410/dma.c b/arch/arm/mach-s3c2410/dma.c
index bc229fab86d4..c7c28890d406 100644
--- a/arch/arm/mach-s3c2410/dma.c
+++ b/arch/arm/mach-s3c2410/dma.c
@@ -785,6 +785,10 @@ int s3c2410_dma_free(dmach_t channel, s3c2410_dma_client_t *client)
         chan->client = NULL;
         chan->in_use = 0;
 
+        if (chan->irq_claimed)
+                free_irq(chan->irq, (void *)chan);
+        chan->irq_claimed = 0;
+
         local_irq_restore(flags);
 
         return 0;
diff --git a/arch/arm/mach-sa1100/Kconfig b/arch/arm/mach-sa1100/Kconfig
index 50cde576dadf..6923316b3d0d 100644
--- a/arch/arm/mach-sa1100/Kconfig
+++ b/arch/arm/mach-sa1100/Kconfig
@@ -150,7 +150,7 @@ config SA1100_SSP
 
 config H3600_SLEEVE
         tristate "Compaq iPAQ Handheld sleeve support"
-        depends on SA1100_H3600
+        depends on SA1100_H3100 || SA1100_H3600
         help
           Choose this option to enable support for extension packs (sleeves)
           for the Compaq iPAQ H3XXX series of handheld computers.  This option
diff --git a/arch/arm/mach-versatile/core.c b/arch/arm/mach-versatile/core.c
index 554e1bd30d6e..302c2a7b9b63 100644
--- a/arch/arm/mach-versatile/core.c
+++ b/arch/arm/mach-versatile/core.c
@@ -543,7 +543,7 @@ static void versatile_clcd_enable(struct clcd_fb *fb)
                 val |= SYS_CLCD_MODE_5551;
                 break;
         case 6:
-                val |= SYS_CLCD_MODE_565_BLSB;
+                val |= SYS_CLCD_MODE_565_RLSB;
                 break;
         case 8:
                 val |= SYS_CLCD_MODE_888;
diff --git a/arch/arm/mm/Kconfig b/arch/arm/mm/Kconfig
index 48bac7da8c70..3fefb43c67f7 100644
--- a/arch/arm/mm/Kconfig
+++ b/arch/arm/mm/Kconfig
@@ -228,7 +228,6 @@ config CPU_SA1100
         select CPU_CACHE_V4WB
         select CPU_CACHE_VIVT
         select CPU_TLB_V4WB
-        select CPU_MINICACHE
 
 # XScale
 config CPU_XSCALE
@@ -239,7 +238,6 @@ config CPU_XSCALE
         select CPU_ABRT_EV5T
         select CPU_CACHE_VIVT
         select CPU_TLB_V4WBI
-        select CPU_MINICACHE
 
 # ARMv6
 config CPU_V6
@@ -345,11 +343,6 @@ config CPU_TLB_V4WBI
 config CPU_TLB_V6
         bool
 
-config CPU_MINICACHE
-        bool
-        help
-          Processor has a minicache.
-
 comment "Processor Features"
 
 config ARM_THUMB
@@ -429,3 +422,11 @@ config HAS_TLS_REG
           assume directly accessing that register and always obtain the
           expected value only on ARMv7 and above.
 
+config NEEDS_SYSCALL_FOR_CMPXCHG
+        bool
+        default y if SMP && (CPU_32v5 || CPU_32v4 || CPU_32v3)
+        help
+          SMP on a pre-ARMv6 processor?  Well OK then.
+          Forget about fast user space cmpxchg support.
+          It is just not possible.
+
diff --git a/arch/arm/mm/Makefile b/arch/arm/mm/Makefile
index ccf316c11e02..59f47d4c2dfe 100644
--- a/arch/arm/mm/Makefile
+++ b/arch/arm/mm/Makefile
@@ -31,8 +31,6 @@ obj-$(CONFIG_CPU_COPY_V6)	+= copypage-v6.o mmu.o
 obj-$(CONFIG_CPU_SA1100)        += copypage-v4mc.o
 obj-$(CONFIG_CPU_XSCALE)        += copypage-xscale.o
 
-obj-$(CONFIG_CPU_MINICACHE)     += minicache.o
-
 obj-$(CONFIG_CPU_TLB_V3)        += tlb-v3.o
 obj-$(CONFIG_CPU_TLB_V4WT)      += tlb-v4.o
 obj-$(CONFIG_CPU_TLB_V4WB)      += tlb-v4wb.o
diff --git a/arch/arm/mm/copypage-xscale.S b/arch/arm/mm/copypage-xscale.S
deleted file mode 100644
index bb277316ef52..000000000000
--- a/arch/arm/mm/copypage-xscale.S
+++ /dev/null
@@ -1,113 +0,0 @@
-/*
- *  linux/arch/arm/lib/copypage-xscale.S
- *
- *  Copyright (C) 2001 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- */
-#include <linux/linkage.h>
-#include <linux/init.h>
-#include <asm/constants.h>
-
-/*
- * General note:
- *  We don't really want write-allocate cache behaviour for these functions
- *  since that will just eat through 8K of the cache.
- */
-
-        .text
-        .align  5
-/*
- * XScale optimised copy_user_page
- *  r0 = destination
- *  r1 = source
- *  r2 = virtual user address of ultimate destination page
- *
- * The source page may have some clean entries in the cache already, but we
- * can safely ignore them - break_cow() will flush them out of the cache
- * if we eventually end up using our copied page.
- *
- * What we could do is use the mini-cache to buffer reads from the source
- * page.  We rely on the mini-cache being smaller than one page, so we'll
- * cycle through the complete cache anyway.
- */
-ENTRY(xscale_mc_copy_user_page)
-        stmfd   sp!, {r4, r5, lr}
-        mov     r5, r0
-        mov     r0, r1
-        bl      map_page_minicache
-        mov     r1, r5
-        mov     lr, #PAGE_SZ/64-1
-
-        /*
-         * Strangely enough, best performance is achieved
-         * when prefetching destination as well.  (NP)
-         */
-        pld     [r0, #0]
-        pld     [r0, #32]
-        pld     [r1, #0]
-        pld     [r1, #32]
-
-1:      pld     [r0, #64]
-        pld     [r0, #96]
-        pld     [r1, #64]
-        pld     [r1, #96]
-
-2:      ldrd    r2, [r0], #8
-        ldrd    r4, [r0], #8
-        mov     ip, r1
-        strd    r2, [r1], #8
-        ldrd    r2, [r0], #8
-        strd    r4, [r1], #8
-        ldrd    r4, [r0], #8
-        strd    r2, [r1], #8
-        strd    r4, [r1], #8
-        mcr     p15, 0, ip, c7, c10, 1          @ clean D line
-        ldrd    r2, [r0], #8
-        mcr     p15, 0, ip, c7, c6, 1           @ invalidate D line
-        ldrd    r4, [r0], #8
-        mov     ip, r1
-        strd    r2, [r1], #8
-        ldrd    r2, [r0], #8
-        strd    r4, [r1], #8
-        ldrd    r4, [r0], #8
-        strd    r2, [r1], #8
-        strd    r4, [r1], #8
-        mcr     p15, 0, ip, c7, c10, 1          @ clean D line
-        subs    lr, lr, #1
-        mcr     p15, 0, ip, c7, c6, 1           @ invalidate D line
-        bgt     1b
-        beq     2b
-
-        ldmfd   sp!, {r4, r5, pc}
-
-        .align  5
-/*
- * XScale optimised clear_user_page
- *  r0 = destination
- *  r1 = virtual user address of ultimate destination page
- */
-ENTRY(xscale_mc_clear_user_page)
-        mov     r1, #PAGE_SZ/32
-        mov     r2, #0
-        mov     r3, #0
-1:      mov     ip, r0
-        strd    r2, [r0], #8
-        strd    r2, [r0], #8
-        strd    r2, [r0], #8
-        strd    r2, [r0], #8
-        mcr     p15, 0, ip, c7, c10, 1          @ clean D line
-        subs    r1, r1, #1
-        mcr     p15, 0, ip, c7, c6, 1           @ invalidate D line
-        bne     1b
-        mov     pc, lr
-
-        __INITDATA
-
-        .type   xscale_mc_user_fns, #object
-ENTRY(xscale_mc_user_fns)
-        .long   xscale_mc_clear_user_page
-        .long   xscale_mc_copy_user_page
-        .size   xscale_mc_user_fns, . - xscale_mc_user_fns
diff --git a/arch/arm/mm/copypage-xscale.c b/arch/arm/mm/copypage-xscale.c
new file mode 100644
index 000000000000..42a6ee255ce0
--- /dev/null
+++ b/arch/arm/mm/copypage-xscale.c
@@ -0,0 +1,131 @@
+/*
+ *  linux/arch/arm/lib/copypage-xscale.S
+ *
+ *  Copyright (C) 1995-2005 Russell King
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This handles the mini data cache, as found on SA11x0 and XScale
+ * processors.  When we copy a user page page, we map it in such a way
+ * that accesses to this page will not touch the main data cache, but
+ * will be cached in the mini data cache.  This prevents us thrashing
+ * the main data cache on page faults.
+ */
+#include <linux/init.h>
+#include <linux/mm.h>
+
+#include <asm/page.h>
+#include <asm/pgtable.h>
+#include <asm/tlbflush.h>
+
+/*
+ * 0xffff8000 to 0xffffffff is reserved for any ARM architecture
+ * specific hacks for copying pages efficiently.
+ */
+#define COPYPAGE_MINICACHE      0xffff8000
+
+#define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \
+                                  L_PTE_CACHEABLE)
+
+#define TOP_PTE(x)      pte_offset_kernel(top_pmd, x)
+
+static DEFINE_SPINLOCK(minicache_lock);
+
+/*
+ * XScale mini-dcache optimised copy_user_page
+ *
+ * We flush the destination cache lines just before we write the data into the
+ * corresponding address.  Since the Dcache is read-allocate, this removes the
+ * Dcache aliasing issue.  The writes will be forwarded to the write buffer,
+ * and merged as appropriate.
+ */
+static void __attribute__((naked))
+mc_copy_user_page(void *from, void *to)
+{
+        /*
+         * Strangely enough, best performance is achieved
+         * when prefetching destination as well.  (NP)
+         */
+        asm volatile(
+        "stmfd  sp!, {r4, r5, lr}               \n\
+        mov     lr, %2                          \n\
+        pld     [r0, #0]                        \n\
+        pld     [r0, #32]                       \n\
+        pld     [r1, #0]                        \n\
+        pld     [r1, #32]                       \n\
+1:      pld     [r0, #64]                       \n\
+        pld     [r0, #96]                       \n\
+        pld     [r1, #64]                       \n\
+        pld     [r1, #96]                       \n\
+2:      ldrd    r2, [r0], #8                    \n\
+        ldrd    r4, [r0], #8                    \n\
+        mov     ip, r1                          \n\
+        strd    r2, [r1], #8                    \n\
+        ldrd    r2, [r0], #8                    \n\
+        strd    r4, [r1], #8                    \n\
+        ldrd    r4, [r0], #8                    \n\
+        strd    r2, [r1], #8                    \n\
+        strd    r4, [r1], #8                    \n\
+        mcr     p15, 0, ip, c7, c10, 1          @ clean D line\n\
+        ldrd    r2, [r0], #8                    \n\
+        mcr     p15, 0, ip, c7, c6, 1           @ invalidate D line\n\
+        ldrd    r4, [r0], #8                    \n\
+        mov     ip, r1                          \n\
+        strd    r2, [r1], #8                    \n\
+        ldrd    r2, [r0], #8                    \n\
+        strd    r4, [r1], #8                    \n\
+        ldrd    r4, [r0], #8                    \n\
+        strd    r2, [r1], #8                    \n\
+        strd    r4, [r1], #8                    \n\
+        mcr     p15, 0, ip, c7, c10, 1          @ clean D line\n\
+        subs    lr, lr, #1                      \n\
+        mcr     p15, 0, ip, c7, c6, 1           @ invalidate D line\n\
+        bgt     1b                              \n\
+        beq     2b                              \n\
+        ldmfd   sp!, {r4, r5, pc}               "
+        :
+        : "r" (from), "r" (to), "I" (PAGE_SIZE / 64 - 1));
+}
+
+void xscale_mc_copy_user_page(void *kto, const void *kfrom, unsigned long vaddr)
+{
+        spin_lock(&minicache_lock);
+
+        set_pte(TOP_PTE(COPYPAGE_MINICACHE), pfn_pte(__pa(kfrom) >> PAGE_SHIFT, minicache_pgprot));
+        flush_tlb_kernel_page(COPYPAGE_MINICACHE);
+
+        mc_copy_user_page((void *)COPYPAGE_MINICACHE, kto);
+
+        spin_unlock(&minicache_lock);
+}
+
+/*
+ * XScale optimised clear_user_page
+ */
+void __attribute__((naked))
+xscale_mc_clear_user_page(void *kaddr, unsigned long vaddr)
+{
+        asm volatile(
+        "mov    r1, %0                          \n\
+        mov     r2, #0                          \n\
+        mov     r3, #0                          \n\
+1:      mov     ip, r0                          \n\
+        strd    r2, [r0], #8                    \n\
+        strd    r2, [r0], #8                    \n\
+        strd    r2, [r0], #8                    \n\
+        strd    r2, [r0], #8                    \n\
+        mcr     p15, 0, ip, c7, c10, 1          @ clean D line\n\
+        subs    r1, r1, #1                      \n\
+        mcr     p15, 0, ip, c7, c6, 1           @ invalidate D line\n\
+        bne     1b                              \n\
+        mov     pc, lr"
+        :
+        : "I" (PAGE_SIZE / 32));
+}
+
+struct cpu_user_fns xscale_mc_user_fns __initdata = {
+        .cpu_clear_user_page    = xscale_mc_clear_user_page, 
+        .cpu_copy_user_page     = xscale_mc_copy_user_page,
+};
diff --git a/arch/arm/mm/minicache.c b/arch/arm/mm/minicache.c
deleted file mode 100644
index dedf2ab01b2a..000000000000
--- a/arch/arm/mm/minicache.c
+++ /dev/null
@@ -1,73 +0,0 @@
-/*
- *  linux/arch/arm/mm/minicache.c
- *
- *  Copyright (C) 2001 Russell King
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License version 2 as
- * published by the Free Software Foundation.
- *
- * This handles the mini data cache, as found on SA11x0 and XScale
- * processors.  When we copy a user page page, we map it in such a way
- * that accesses to this page will not touch the main data cache, but
- * will be cached in the mini data cache.  This prevents us thrashing
- * the main data cache on page faults.
- */
-#include <linux/init.h>
-#include <linux/mm.h>
-
-#include <asm/page.h>
-#include <asm/pgtable.h>
-#include <asm/tlbflush.h>
-
-/*
- * 0xffff8000 to 0xffffffff is reserved for any ARM architecture
- * specific hacks for copying pages efficiently.
- */
-#define minicache_address (0xffff8000)
-#define minicache_pgprot __pgprot(L_PTE_PRESENT | L_PTE_YOUNG | \
-                                  L_PTE_CACHEABLE)
-
-static pte_t *minicache_pte;
-
-/*
- * Note that this is intended to be called only from the copy_user_page
- * asm code; anything else will require special locking to prevent the
- * mini-cache space being re-used.  (Note: probably preempt unsafe).
- *
- * We rely on the fact that the minicache is 2K, and we'll be pushing
- * 4K of data through it, so we don't actually have to specifically
- * flush the minicache when we change the mapping.
- *
- * Note also: assert(PAGE_OFFSET <= virt < high_memory).
- * Unsafe: preempt, kmap.
- */
-unsigned long map_page_minicache(unsigned long virt)
-{
-        set_pte(minicache_pte, pfn_pte(__pa(virt) >> PAGE_SHIFT, minicache_pgprot));
-        flush_tlb_kernel_page(minicache_address);
-
-        return minicache_address;
-}
-
-static int __init minicache_init(void)
-{
-        pgd_t *pgd;
-        pmd_t *pmd;
-
-        spin_lock(&init_mm.page_table_lock);
-
-        pgd = pgd_offset_k(minicache_address);
-        pmd = pmd_alloc(&init_mm, pgd, minicache_address);
-        if (!pmd)
-                BUG();
-        minicache_pte = pte_alloc_kernel(&init_mm, pmd, minicache_address);
-        if (!minicache_pte)
-                BUG();
-
-        spin_unlock(&init_mm.page_table_lock);
-
-        return 0;
-}
-
-core_initcall(minicache_init);
diff --git a/arch/h8300/kernel/process.c b/arch/h8300/kernel/process.c
index 134aec1c6d19..b5f83e9f04db 100644
--- a/arch/h8300/kernel/process.c
+++ b/arch/h8300/kernel/process.c
@@ -54,7 +54,7 @@ asmlinkage void ret_from_fork(void);
 void default_idle(void)
 {
         while(1) {
-                if (need_resched()) {
+                if (!need_resched()) {
                         local_irq_enable();
                         __asm__("sleep");
                         local_irq_disable();
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index e382f32d435e..dfd904f6883b 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -1163,7 +1163,7 @@ config PCI_DIRECT
 
 config PCI_MMCONFIG
         bool
-        depends on PCI && (PCI_GOMMCONFIG || (PCI_GOANY && ACPI))
+        depends on PCI && ACPI && (PCI_GOMMCONFIG || PCI_GOANY)
         select ACPI_BOOT
         default y
 
diff --git a/arch/i386/kernel/Makefile b/arch/i386/kernel/Makefile
index 0fbcfe00dd8d..51ecd512603d 100644
--- a/arch/i386/kernel/Makefile
+++ b/arch/i386/kernel/Makefile
@@ -43,7 +43,7 @@ obj-$(CONFIG_SCx200)		+= scx200.o
 # Note: kbuild does not track this dependency due to usage of .incbin
 $(obj)/vsyscall.o: $(obj)/vsyscall-int80.so $(obj)/vsyscall-sysenter.so
 targets += $(foreach F,int80 sysenter,vsyscall-$F.o vsyscall-$F.so)
-targets += vsyscall.lds
+targets += vsyscall-note.o vsyscall.lds
 
 # The DSO images are built using a special linker script.
 quiet_cmd_syscall = SYSCALL $@
diff --git a/arch/i386/kernel/apm.c b/arch/i386/kernel/apm.c
index 45641a872550..0ff65abcd56c 100644
--- a/arch/i386/kernel/apm.c
+++ b/arch/i386/kernel/apm.c
@@ -1222,6 +1222,7 @@ static int suspend(int vetoable)
 
         save_processor_state();
         err = set_system_power_state(APM_STATE_SUSPEND);
+        ignore_normal_resume = 1;
         restore_processor_state();
 
         local_irq_disable();
@@ -1229,7 +1230,6 @@ static int suspend(int vetoable)
         spin_lock(&i8253_lock);
         reinit_timer();
         set_time();
-        ignore_normal_resume = 1;
 
         spin_unlock(&i8253_lock);
         write_sequnlock(&xtime_lock);
diff --git a/arch/i386/kernel/cpu/cpufreq/Kconfig b/arch/i386/kernel/cpu/cpufreq/Kconfig
index f25ffd74235c..0f1eb507233b 100644
--- a/arch/i386/kernel/cpu/cpufreq/Kconfig
+++ b/arch/i386/kernel/cpu/cpufreq/Kconfig
@@ -23,7 +23,7 @@ config X86_ACPI_CPUFREQ
           If in doubt, say N.
 
 config ELAN_CPUFREQ
-        tristate "AMD Elan"
+        tristate "AMD Elan SC400 and SC410"
         select CPU_FREQ_TABLE
         depends on X86_ELAN
         ---help---
@@ -38,6 +38,18 @@ config ELAN_CPUFREQ
 
           If in doubt, say N.
 
+config SC520_CPUFREQ
+        tristate "AMD Elan SC520"
+        select CPU_FREQ_TABLE
+        depends on X86_ELAN
+        ---help---
+          This adds the CPUFreq driver for AMD Elan SC520 processor.
+
+          For details, take a look at <file:Documentation/cpu-freq/>.
+
+          If in doubt, say N.
+
+
 config X86_POWERNOW_K6
         tristate "AMD Mobile K6-2/K6-3 PowerNow!"
         select CPU_FREQ_TABLE
diff --git a/arch/i386/kernel/cpu/cpufreq/Makefile b/arch/i386/kernel/cpu/cpufreq/Makefile
index a922e97aeedd..2e894f1c8910 100644
--- a/arch/i386/kernel/cpu/cpufreq/Makefile
+++ b/arch/i386/kernel/cpu/cpufreq/Makefile
@@ -3,6 +3,7 @@ obj-$(CONFIG_X86_POWERNOW_K7)		+= powernow-k7.o
 obj-$(CONFIG_X86_POWERNOW_K8)           += powernow-k8.o
 obj-$(CONFIG_X86_LONGHAUL)              += longhaul.o
 obj-$(CONFIG_ELAN_CPUFREQ)              += elanfreq.o
+obj-$(CONFIG_SC520_CPUFREQ)             += sc520_freq.o
 obj-$(CONFIG_X86_LONGRUN)               += longrun.o  
 obj-$(CONFIG_X86_GX_SUSPMOD)            += gx-suspmod.o
 obj-$(CONFIG_X86_SPEEDSTEP_ICH)         += speedstep-ich.o
diff --git a/arch/i386/kernel/cpu/cpufreq/longhaul.c b/arch/i386/kernel/cpu/cpufreq/longhaul.c
index ab0f9f5aac11..04e3563da4fe 100644
--- a/arch/i386/kernel/cpu/cpufreq/longhaul.c
+++ b/arch/i386/kernel/cpu/cpufreq/longhaul.c
@@ -29,6 +29,7 @@
 #include <linux/cpufreq.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/pci.h>
 
 #include <asm/msr.h>
 #include <asm/timex.h>
@@ -119,7 +120,13 @@ static int longhaul_get_cpu_mult(void)
 static void do_powersaver(union msr_longhaul *longhaul,
                         unsigned int clock_ratio_index)
 {
+        struct pci_dev *dev;
+        unsigned long flags;
+        unsigned int tmp_mask;
         int version;
+        int i;
+        u16 pci_cmd;
+        u16 cmd_state[64];
 
         switch (cpu_model) {
         case CPU_EZRA_T:
@@ -137,17 +144,58 @@ static void do_powersaver(union msr_longhaul *longhaul,
         longhaul->bits.SoftBusRatio4 = (clock_ratio_index & 0x10) >> 4;
         longhaul->bits.EnableSoftBusRatio = 1;
         longhaul->bits.RevisionKey = 0;
-        local_irq_disable();
-        wrmsrl(MSR_VIA_LONGHAUL, longhaul->val);
+
+        preempt_disable();
+        local_irq_save(flags);
+
+        /*
+         * get current pci bus master state for all devices
+         * and clear bus master bit
+         */
+        dev = NULL;
+        i = 0;
+        do {
+                dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
+                if (dev != NULL) {
+                        pci_read_config_word(dev, PCI_COMMAND, &pci_cmd);
+                        cmd_state[i++] = pci_cmd;
+                        pci_cmd &= ~PCI_COMMAND_MASTER;
+                        pci_write_config_word(dev, PCI_COMMAND, pci_cmd);
+                }
+        } while (dev != NULL);
+
+        tmp_mask=inb(0x21);     /* works on C3. save mask. */
+        outb(0xFE,0x21);        /* TMR0 only */
+        outb(0xFF,0x80);        /* delay */
+
         local_irq_enable();
+
+        __hlt();
+        wrmsrl(MSR_VIA_LONGHAUL, longhaul->val);
         __hlt();
 
+        local_irq_disable();
+
+        outb(tmp_mask,0x21);    /* restore mask */
+
+        /* restore pci bus master state for all devices */
+        dev = NULL;
+        i = 0;
+        do {
+                dev = pci_get_device(PCI_ANY_ID, PCI_ANY_ID, dev);
+                if (dev != NULL) {
+                        pci_cmd = cmd_state[i++];
+                        pci_write_config_byte(dev, PCI_COMMAND, pci_cmd);
+                }
+        } while (dev != NULL);
+        local_irq_restore(flags);
+        preempt_enable();
+
+        /* disable bus ratio bit */
         rdmsrl(MSR_VIA_LONGHAUL, longhaul->val);
         longhaul->bits.EnableSoftBusRatio = 0;
         longhaul->bits.RevisionKey = version;
-        local_irq_disable();
         wrmsrl(MSR_VIA_LONGHAUL, longhaul->val);
-        local_irq_enable();
 }
 
 /**
@@ -578,7 +626,7 @@ static int __init longhaul_cpu_init(struct cpufreq_policy *policy)
                 longhaul_setup_voltagescaling();
 
         policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
-        policy->cpuinfo.transition_latency = CPUFREQ_ETERNAL;
+        policy->cpuinfo.transition_latency = 200000;    /* nsec */
         policy->cur = calc_speed(longhaul_get_cpu_mult());
 
         ret = cpufreq_frequency_table_cpuinfo(policy, longhaul_table);
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
index 913f652623d9..5c530064eb74 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k7.c
@@ -23,6 +23,7 @@
 #include <linux/dmi.h>
 
 #include <asm/msr.h>
+#include <asm/timer.h>
 #include <asm/timex.h>
 #include <asm/io.h>
 #include <asm/system.h>
@@ -586,13 +587,17 @@ static int __init powernow_cpu_init (struct cpufreq_policy *policy)
 
         rdmsrl (MSR_K7_FID_VID_STATUS, fidvidstatus.val);
 
-        /* A K7 with powernow technology is set to max frequency by BIOS */
-        fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.MFID];
+        /* recalibrate cpu_khz */
+        result = recalibrate_cpu_khz();
+        if (result)
+                return result;
+
+        fsb = (10 * cpu_khz) / fid_codes[fidvidstatus.bits.CFID];
         if (!fsb) {
                 printk(KERN_WARNING PFX "can not determine bus frequency\n");
                 return -EINVAL;
         }
-        dprintk("FSB: %3d.%03d MHz\n", fsb/1000, fsb%1000);
+        dprintk("FSB: %3dMHz\n", fsb/1000);
 
         if (dmi_check_system(powernow_dmi_table) || acpi_force) {
                 printk (KERN_INFO PFX "PSB/PST known to be broken.  Trying ACPI instead\n");
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
index a65ff7e32e5d..10cc096c0ade 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.c
@@ -4,7 +4,7 @@
  *  GNU general public license version 2. See "COPYING" or
  *  http://www.gnu.org/licenses/gpl.html
  *
- *  Support : paul.devriendt@amd.com
+ *  Support : mark.langsdorf@amd.com
  *
  *  Based on the powernow-k7.c module written by Dave Jones.
  *  (C) 2003 Dave Jones <davej@codemonkey.org.uk> on behalf of SuSE Labs
@@ -15,12 +15,13 @@
  *
  *  Valuable input gratefully received from Dave Jones, Pavel Machek,
  *  Dominik Brodowski, and others.
+ *  Originally developed by Paul Devriendt.
  *  Processor information obtained from Chapter 9 (Power and Thermal Management)
  *  of the "BIOS and Kernel Developer's Guide for the AMD Athlon 64 and AMD
  *  Opteron Processors" available for download from www.amd.com
  *
  *  Tables for specific CPUs can be infrerred from
- *      http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/30430.pdf
+ *     http://www.amd.com/us-en/assets/content_type/white_papers_and_tech_docs/30430.pdf
  */
 
 #include <linux/kernel.h>
@@ -30,6 +31,7 @@
 #include <linux/cpufreq.h>
 #include <linux/slab.h>
 #include <linux/string.h>
+#include <linux/cpumask.h>
 
 #include <asm/msr.h>
 #include <asm/io.h>
@@ -42,7 +44,7 @@
 
 #define PFX "powernow-k8: "
 #define BFX PFX "BIOS error: "
-#define VERSION "version 1.00.09e"
+#define VERSION "version 1.40.2"
 #include "powernow-k8.h"
 
 /* serialize freq changes  */
@@ -50,6 +52,10 @@ static DECLARE_MUTEX(fidvid_sem);
 
 static struct powernow_k8_data *powernow_data[NR_CPUS];
 
+#ifndef CONFIG_SMP
+static cpumask_t cpu_core_map[1];
+#endif
+
 /* Return a frequency in MHz, given an input fid */
 static u32 find_freq_from_fid(u32 fid)
 {
@@ -274,11 +280,18 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid
 {
         u32 rvosteps = data->rvo;
         u32 savefid = data->currfid;
+        u32 maxvid, lo;
 
         dprintk("ph1 (cpu%d): start, currfid 0x%x, currvid 0x%x, reqvid 0x%x, rvo 0x%x\n",
                 smp_processor_id(),
                 data->currfid, data->currvid, reqvid, data->rvo);
 
+        rdmsr(MSR_FIDVID_STATUS, lo, maxvid);
+        maxvid = 0x1f & (maxvid >> 16);
+        dprintk("ph1 maxvid=0x%x\n", maxvid);
+        if (reqvid < maxvid) /* lower numbers are higher voltages */
+                reqvid = maxvid;
+
         while (data->currvid > reqvid) {
                 dprintk("ph1: curr 0x%x, req vid 0x%x\n",
                         data->currvid, reqvid);
@@ -286,8 +299,8 @@ static int core_voltage_pre_transition(struct powernow_k8_data *data, u32 reqvid
                         return 1;
         }
 
-        while ((rvosteps > 0)  && ((data->rvo + data->currvid) > reqvid)) {
-                if (data->currvid == 0) {
+        while ((rvosteps > 0) && ((data->rvo + data->currvid) > reqvid)) {
+                if (data->currvid == maxvid) {
                         rvosteps = 0;
                 } else {
                         dprintk("ph1: changing vid for rvo, req 0x%x\n",
@@ -671,7 +684,7 @@ static int find_psb_table(struct powernow_k8_data *data)
          * BIOS and Kernel Developer's Guide, which is available on
          * www.amd.com
          */
-        printk(KERN_ERR PFX "BIOS error - no PSB\n");
+        printk(KERN_INFO PFX "BIOS error - no PSB or ACPI _PSS objects\n");
         return -ENODEV;
 }
 
@@ -695,7 +708,7 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
         struct cpufreq_frequency_table *powernow_table;
 
         if (acpi_processor_register_performance(&data->acpi_data, data->cpu)) {
-                dprintk("register performance failed\n");
+                dprintk("register performance failed: bad ACPI data\n");
                 return -EIO;
         }
 
@@ -746,22 +759,23 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
                         continue;
                 }
 
-                if (fid < HI_FID_TABLE_BOTTOM) {
-                        if (cntlofreq) {
-                                /* if both entries are the same, ignore this
-                                 * one... 
-                                 */
-                                if ((powernow_table[i].frequency != powernow_table[cntlofreq].frequency) ||
-                                    (powernow_table[i].index != powernow_table[cntlofreq].index)) {
-                                        printk(KERN_ERR PFX "Too many lo freq table entries\n");
-                                        goto err_out_mem;
-                                }
-                                
-                                dprintk("double low frequency table entry, ignoring it.\n");
-                                powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID;
-                                continue;
-                        } else
-                                cntlofreq = i;
+                /* verify only 1 entry from the lo frequency table */
+                if (fid < HI_FID_TABLE_BOTTOM) {
+                        if (cntlofreq) {
+                                /* if both entries are the same, ignore this
+                                 * one... 
+                                 */
+                                if ((powernow_table[i].frequency != powernow_table[cntlofreq].frequency) ||
+                                    (powernow_table[i].index != powernow_table[cntlofreq].index)) {
+                                        printk(KERN_ERR PFX "Too many lo freq table entries\n");
+                                        goto err_out_mem;
+                                }
+
+                                dprintk("double low frequency table entry, ignoring it.\n");
+                                powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID;
+                                continue;
+                        } else
+                                cntlofreq = i;
                 }
 
                 if (powernow_table[i].frequency != (data->acpi_data.states[i].core_frequency * 1000)) {
@@ -816,7 +830,7 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde
 {
         u32 fid;
         u32 vid;
-        int res;
+        int res, i;
         struct cpufreq_freqs freqs;
 
         dprintk("cpu %d transition to index %u\n", smp_processor_id(), index);
@@ -841,7 +855,8 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde
         }
 
         if ((fid < HI_FID_TABLE_BOTTOM) && (data->currfid < HI_FID_TABLE_BOTTOM)) {
-                printk("ignoring illegal change in lo freq table-%x to 0x%x\n",
+                printk(KERN_ERR PFX
+                       "ignoring illegal change in lo freq table-%x to 0x%x\n",
                        data->currfid, fid);
                 return 1;
         }
@@ -850,18 +865,20 @@ static int transition_frequency(struct powernow_k8_data *data, unsigned int inde
                 smp_processor_id(), fid, vid);
 
         freqs.cpu = data->cpu;
-
         freqs.old = find_khz_freq_from_fid(data->currfid);
         freqs.new = find_khz_freq_from_fid(fid);
-        cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+        for_each_cpu_mask(i, cpu_core_map[data->cpu]) {
+                freqs.cpu = i;
+                cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+        }
 
-        down(&fidvid_sem);
         res = transition_fid_vid(data, fid, vid);
-        up(&fidvid_sem);
 
         freqs.new = find_khz_freq_from_fid(data->currfid);
-        cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
-
+        for_each_cpu_mask(i, cpu_core_map[data->cpu]) {
+                freqs.cpu = i;
+                cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+        }
         return res;
 }
 
@@ -874,6 +891,7 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
         u32 checkvid = data->currvid;
         unsigned int newstate;
         int ret = -EIO;
+        int i;
 
         /* only run on specific CPU from here on */
         oldmask = current->cpus_allowed;
@@ -902,22 +920,41 @@ static int powernowk8_target(struct cpufreq_policy *pol, unsigned targfreq, unsi
                 data->currfid, data->currvid);
 
         if ((checkvid != data->currvid) || (checkfid != data->currfid)) {
-                printk(KERN_ERR PFX
-                       "error - out of sync, fid 0x%x 0x%x, vid 0x%x 0x%x\n",
-                       checkfid, data->currfid, checkvid, data->currvid);
+                printk(KERN_INFO PFX
+                        "error - out of sync, fix 0x%x 0x%x, vid 0x%x 0x%x\n",
+                        checkfid, data->currfid, checkvid, data->currvid);
         }
 
         if (cpufreq_frequency_table_target(pol, data->powernow_table, targfreq, relation, &newstate))
                 goto err_out;
 
+        down(&fidvid_sem);
+
+        for_each_cpu_mask(i, cpu_core_map[pol->cpu]) {
+                /* make sure the sibling is initialized */
+                if (!powernow_data[i]) {
+                        ret = 0;
+                        up(&fidvid_sem);
+                        goto err_out;
+                }
+        }
+
         powernow_k8_acpi_pst_values(data, newstate);
 
         if (transition_frequency(data, newstate)) {
                 printk(KERN_ERR PFX "transition frequency failed\n");
                 ret = 1;
+                up(&fidvid_sem);
                 goto err_out;
         }
 
+        /* Update all the fid/vids of our siblings */
+        for_each_cpu_mask(i, cpu_core_map[pol->cpu]) {
+                powernow_data[i]->currvid = data->currvid;
+                powernow_data[i]->currfid = data->currfid;
+        }       
+        up(&fidvid_sem);
+
         pol->cur = find_khz_freq_from_fid(data->currfid);
         ret = 0;
 
@@ -962,7 +999,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
                  */
 
                 if ((num_online_cpus() != 1) || (num_possible_cpus() != 1)) {
-                        printk(KERN_INFO PFX "MP systems not supported by PSB BIOS structure\n");
+                        printk(KERN_ERR PFX "MP systems not supported by PSB BIOS structure\n");
                         kfree(data);
                         return -ENODEV;
                 }
@@ -1003,6 +1040,7 @@ static int __init powernowk8_cpu_init(struct cpufreq_policy *pol)
         schedule();
 
         pol->governor = CPUFREQ_DEFAULT_GOVERNOR;
+        pol->cpus = cpu_core_map[pol->cpu];
 
         /* Take a crude guess here. 
          * That guess was in microseconds, so multiply with 1000 */
@@ -1069,7 +1107,7 @@ static unsigned int powernowk8_get (unsigned int cpu)
                 return 0;
         }
         preempt_disable();
-
+        
         if (query_current_values_with_pending_wait(data))
                 goto out;
 
@@ -1127,9 +1165,10 @@ static void __exit powernowk8_exit(void)
         cpufreq_unregister_driver(&cpufreq_amd64_driver);
 }
 
-MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com>");
+MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com> and Mark Langsdorf <mark.langsdorf@amd.com.");
 MODULE_DESCRIPTION("AMD Athlon 64 and Opteron processor frequency driver.");
 MODULE_LICENSE("GPL");
 
 late_initcall(powernowk8_init);
 module_exit(powernowk8_exit);
+
diff --git a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
index 63ebc8470f52..9ed5bf221cb7 100644
--- a/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/i386/kernel/cpu/cpufreq/powernow-k8.h
@@ -174,3 +174,18 @@ static int core_voltage_post_transition(struct powernow_k8_data *data, u32 reqvi
 static int core_frequency_transition(struct powernow_k8_data *data, u32 reqfid);
 
 static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index);
+
+#ifndef for_each_cpu_mask
+#define for_each_cpu_mask(i,mask) for (i=0;i<1;i++)
+#endif
+                                                                                
+#ifdef CONFIG_SMP
+static inline void define_siblings(int cpu, cpumask_t cpu_sharedcore_mask[])
+{
+}
+#else
+static inline void define_siblings(int cpu, cpumask_t cpu_sharedcore_mask[])
+{
+        cpu_set(0, cpu_sharedcore_mask[0]);
+}
+#endif
diff --git a/arch/i386/kernel/cpu/cpufreq/sc520_freq.c b/arch/i386/kernel/cpu/cpufreq/sc520_freq.c
new file mode 100644
index 000000000000..ef457d50f4ac
--- /dev/null
+++ b/arch/i386/kernel/cpu/cpufreq/sc520_freq.c
@@ -0,0 +1,186 @@
+/*
+ *      sc520_freq.c: cpufreq driver for the AMD Elan sc520
+ *
+ *      Copyright (C) 2005 Sean Young <sean@mess.org>
+ *
+ *      This program is free software; you can redistribute it and/or
+ *      modify it under the terms of the GNU General Public License
+ *      as published by the Free Software Foundation; either version
+ *      2 of the License, or (at your option) any later version.
+ *
+ *      Based on elanfreq.c
+ *
+ *      2005-03-30: - initial revision
+ */
+
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/init.h>
+
+#include <linux/delay.h>
+#include <linux/cpufreq.h>
+
+#include <asm/msr.h>
+#include <asm/timex.h>
+#include <asm/io.h>
+
+#define MMCR_BASE       0xfffef000      /* The default base address */
+#define OFFS_CPUCTL     0x2   /* CPU Control Register */
+
+static __u8 __iomem *cpuctl;
+
+#define dprintk(msg...) cpufreq_debug_printk(CPUFREQ_DEBUG_DRIVER, "sc520_freq", msg)
+
+static struct cpufreq_frequency_table sc520_freq_table[] = {
+        {0x01,  100000},
+        {0x02,  133000},
+        {0,     CPUFREQ_TABLE_END},
+};
+
+static unsigned int sc520_freq_get_cpu_frequency(unsigned int cpu)
+{
+        u8 clockspeed_reg = *cpuctl;
+
+        switch (clockspeed_reg & 0x03) {
+        default:
+                printk(KERN_ERR "sc520_freq: error: cpuctl register has unexpected value %02x\n", clockspeed_reg);
+        case 0x01:
+                return 100000;
+        case 0x02:
+                return 133000;
+        }
+}
+
+static void sc520_freq_set_cpu_state (unsigned int state)
+{
+
+        struct cpufreq_freqs    freqs;
+        u8 clockspeed_reg;
+
+        freqs.old = sc520_freq_get_cpu_frequency(0);
+        freqs.new = sc520_freq_table[state].frequency;
+        freqs.cpu = 0; /* AMD Elan is UP */
+
+        cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
+
+        dprintk("attempting to set frequency to %i kHz\n",
+                        sc520_freq_table[state].frequency);
+
+        local_irq_disable();
+
+        clockspeed_reg = *cpuctl & ~0x03;
+        *cpuctl = clockspeed_reg | sc520_freq_table[state].index;
+
+        local_irq_enable();
+
+        cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
+};
+
+static int sc520_freq_verify (struct cpufreq_policy *policy)
+{
+        return cpufreq_frequency_table_verify(policy, &sc520_freq_table[0]);
+}
+
+static int sc520_freq_target (struct cpufreq_policy *policy,
+                            unsigned int target_freq,
+                            unsigned int relation)
+{
+        unsigned int newstate = 0;
+
+        if (cpufreq_frequency_table_target(policy, sc520_freq_table, target_freq, relation, &newstate))
+                return -EINVAL;
+
+        sc520_freq_set_cpu_state(newstate);
+
+        return 0;
+}
+
+
+/*
+ *      Module init and exit code
+ */
+
+static int sc520_freq_cpu_init(struct cpufreq_policy *policy)
+{
+        struct cpuinfo_x86 *c = cpu_data;
+        int result;
+
+        /* capability check */
+        if (c->x86_vendor != X86_VENDOR_AMD ||
+            c->x86 != 4 || c->x86_model != 9)
+                return -ENODEV;
+
+        /* cpuinfo and default policy values */
+        policy->governor = CPUFREQ_DEFAULT_GOVERNOR;
+        policy->cpuinfo.transition_latency = 1000000; /* 1ms */
+        policy->cur = sc520_freq_get_cpu_frequency(0);
+
+        result = cpufreq_frequency_table_cpuinfo(policy, sc520_freq_table);
+        if (result)
+                return (result);
+
+        cpufreq_frequency_table_get_attr(sc520_freq_table, policy->cpu);
+
+        return 0;
+}
+
+
+static int sc520_freq_cpu_exit(struct cpufreq_policy *policy)
+{
+        cpufreq_frequency_table_put_attr(policy->cpu);
+        return 0;
+}
+
+
+static struct freq_attr* sc520_freq_attr[] = {
+        &cpufreq_freq_attr_scaling_available_freqs,
+        NULL,
+};
+
+
+static struct cpufreq_driver sc520_freq_driver = {
+        .get    = sc520_freq_get_cpu_frequency,
+        .verify = sc520_freq_verify,
+        .target = sc520_freq_target,
+        .init   = sc520_freq_cpu_init,
+        .exit   = sc520_freq_cpu_exit,
+        .name   = "sc520_freq",
+        .owner  = THIS_MODULE,
+        .attr   = sc520_freq_attr,
+};
+
+
+static int __init sc520_freq_init(void)
+{
+        struct cpuinfo_x86 *c = cpu_data;
+
+        /* Test if we have the right hardware */
+        if(c->x86_vendor != X86_VENDOR_AMD ||
+                                c->x86 != 4 || c->x86_model != 9) {
+                dprintk("no Elan SC520 processor found!\n");
+                return -ENODEV;
+        }
+        cpuctl = ioremap((unsigned long)(MMCR_BASE + OFFS_CPUCTL), 1);
+        if(!cpuctl) {
+                printk(KERN_ERR "sc520_freq: error: failed to remap memory\n");
+                return -ENOMEM;
+        }
+
+        return cpufreq_register_driver(&sc520_freq_driver);
+}
+
+
+static void __exit sc520_freq_exit(void)
+{
+        cpufreq_unregister_driver(&sc520_freq_driver);
+        iounmap(cpuctl);
+}
+
+
+MODULE_LICENSE("GPL");
+MODULE_AUTHOR("Sean Young <sean@mess.org>");
+MODULE_DESCRIPTION("cpufreq driver for AMD's Elan sc520 CPU");
+
+module_init(sc520_freq_init);
+module_exit(sc520_freq_exit);
+
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
index 07d5612dc00f..7dcbf70fc16f 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-centrino.c
@@ -54,6 +54,8 @@ enum {
         CPU_DOTHAN_A1,
         CPU_DOTHAN_A2,
         CPU_DOTHAN_B0,
+        CPU_MP4HT_D0,
+        CPU_MP4HT_E0,
 };
 
 static const struct cpu_id cpu_ids[] = {
@@ -61,6 +63,8 @@ static const struct cpu_id cpu_ids[] = {
         [CPU_DOTHAN_A1] = { 6, 13, 1 },
         [CPU_DOTHAN_A2] = { 6, 13, 2 },
         [CPU_DOTHAN_B0] = { 6, 13, 6 },
+        [CPU_MP4HT_D0]  = {15,  3, 4 },
+        [CPU_MP4HT_E0]  = {15,  4, 1 },
 };
 #define N_IDS   (sizeof(cpu_ids)/sizeof(cpu_ids[0]))
 
@@ -226,6 +230,8 @@ static struct cpu_model models[] =
         { &cpu_ids[CPU_DOTHAN_A1], NULL, 0, NULL },
         { &cpu_ids[CPU_DOTHAN_A2], NULL, 0, NULL },
         { &cpu_ids[CPU_DOTHAN_B0], NULL, 0, NULL },
+        { &cpu_ids[CPU_MP4HT_D0], NULL, 0, NULL },
+        { &cpu_ids[CPU_MP4HT_E0], NULL, 0, NULL },
 
         { NULL, }
 };
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
index 8ba430a9c3a2..d368b3f5fce8 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-lib.c
@@ -336,7 +336,7 @@ unsigned int speedstep_get_freqs(unsigned int processor,
         if (!prev_speed)
                 return -EIO;
 
-        dprintk("previous seped is %u\n", prev_speed);
+        dprintk("previous speed is %u\n", prev_speed);
         
         local_irq_save(flags);
 
@@ -348,7 +348,7 @@ unsigned int speedstep_get_freqs(unsigned int processor,
                 goto out;
         }
 
-        dprintk("low seped is %u\n", *low_speed);
+        dprintk("low speed is %u\n", *low_speed);
 
         /* switch to high state */
         set_state(SPEEDSTEP_HIGH);
@@ -358,7 +358,7 @@ unsigned int speedstep_get_freqs(unsigned int processor,
                 goto out;
         }
 
-        dprintk("high seped is %u\n", *high_speed);
+        dprintk("high speed is %u\n", *high_speed);
 
         if (*low_speed == *high_speed) {
                 ret = -ENODEV;
diff --git a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
index 79440b3f087e..b25fb6b635ae 100644
--- a/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
+++ b/arch/i386/kernel/cpu/cpufreq/speedstep-smi.c
@@ -357,6 +357,9 @@ static int __init speedstep_init(void)
         case SPEEDSTEP_PROCESSOR_PIII_C:
         case SPEEDSTEP_PROCESSOR_PIII_C_EARLY:
                 break;
+        case SPEEDSTEP_PROCESSOR_P4M:
+                printk(KERN_INFO "speedstep-smi: you're trying to use this cpufreq driver on a Pentium 4-based CPU. Most likely it will not work.\n");
+                break;
         default:
                 speedstep_processor = 0;
         }
diff --git a/arch/i386/kernel/cpu/intel_cacheinfo.c b/arch/i386/kernel/cpu/intel_cacheinfo.c
index aeb5b4ef8c8b..a710dc4eb20e 100644
--- a/arch/i386/kernel/cpu/intel_cacheinfo.c
+++ b/arch/i386/kernel/cpu/intel_cacheinfo.c
@@ -118,7 +118,7 @@ struct _cpuid4_info {
 };
 
 #define MAX_CACHE_LEAVES                4
-static unsigned short __devinitdata     num_cache_leaves;
+static unsigned short                   num_cache_leaves;
 
 static int __devinit cpuid4_cache_lookup(int index, struct _cpuid4_info *this_leaf)
 {
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index 945ec73163c8..2bfbddebdbf8 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -1502,11 +1502,13 @@ void __init setup_arch(char **cmdline_p)
         if (efi_enabled)
                 efi_map_memmap();
 
+#ifdef CONFIG_ACPI_BOOT
         /*
          * Parse the ACPI tables for possible boot-time SMP configuration.
          */
         acpi_boot_table_init();
         acpi_boot_init();
+#endif
 
 #ifdef CONFIG_X86_LOCAL_APIC
         if (smp_found_config)
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index 35bfe138cb1a..bc1bb6919e6a 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -1074,8 +1074,10 @@ static void __init smp_boot_cpus(unsigned int max_cpus)
                         cpu_set(cpu, cpu_sibling_map[cpu]);
                 }
 
-                if (siblings != smp_num_siblings)
+                if (siblings != smp_num_siblings) {
                         printk(KERN_WARNING "WARNING: %d siblings found for CPU%d, should be %d\n", siblings, cpu, smp_num_siblings);
+                        smp_num_siblings = siblings;
+                }
 
                 if (c->x86_num_cores > 1) {
                         for (i = 0; i < NR_CPUS; i++) {
diff --git a/arch/i386/kernel/timers/common.c b/arch/i386/kernel/timers/common.c
index f7f90005e22e..8e201219f525 100644
--- a/arch/i386/kernel/timers/common.c
+++ b/arch/i386/kernel/timers/common.c
@@ -6,6 +6,7 @@
 #include <linux/timex.h>
 #include <linux/errno.h>
 #include <linux/jiffies.h>
+#include <linux/module.h>
 
 #include <asm/io.h>
 #include <asm/timer.h>
@@ -24,7 +25,7 @@
 
 #define CALIBRATE_TIME  (5 * 1000020/HZ)
 
-unsigned long __init calibrate_tsc(void)
+unsigned long calibrate_tsc(void)
 {
         mach_prepare_counter();
 
@@ -139,7 +140,7 @@ bad_calibration:
 #endif
 
 /* calculate cpu_khz */
-void __init init_cpu_khz(void)
+void init_cpu_khz(void)
 {
         if (cpu_has_tsc) {
                 unsigned long tsc_quotient = calibrate_tsc();
@@ -158,3 +159,4 @@ void __init init_cpu_khz(void)
                 }
         }
 }
+
diff --git a/arch/i386/kernel/timers/timer_tsc.c b/arch/i386/kernel/timers/timer_tsc.c
index 7926d967be00..180444d87824 100644
--- a/arch/i386/kernel/timers/timer_tsc.c
+++ b/arch/i386/kernel/timers/timer_tsc.c
@@ -320,6 +320,26 @@ core_initcall(cpufreq_tsc);
 static inline void cpufreq_delayed_get(void) { return; }
 #endif 
 
+int recalibrate_cpu_khz(void)
+{
+#ifndef CONFIG_SMP
+        unsigned long cpu_khz_old = cpu_khz;
+
+        if (cpu_has_tsc) {
+                init_cpu_khz();
+                cpu_data[0].loops_per_jiffy =
+                    cpufreq_scale(cpu_data[0].loops_per_jiffy,
+                                  cpu_khz_old,
+                                  cpu_khz);
+                return 0;
+        } else
+                return -ENODEV;
+#else
+        return -ENODEV;
+#endif
+}
+EXPORT_SYMBOL(recalibrate_cpu_khz);
+
 static void mark_offset_tsc(void)
 {
         unsigned long lost,delay;
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 903d739ca74a..a6e0ddd65bd0 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -97,7 +97,6 @@ static void ack_vic_irq(unsigned int irq);
 static void vic_enable_cpi(void);
 static void do_boot_cpu(__u8 cpuid);
 static void do_quad_bootstrap(void);
-static inline void wrapper_smp_local_timer_interrupt(struct pt_regs *);
 
 int hard_smp_processor_id(void);
 
@@ -126,6 +125,14 @@ send_QIC_CPI(__u32 cpuset, __u8 cpi)
 }
 
 static inline void
+wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
+{
+        irq_enter();
+        smp_local_timer_interrupt(regs);
+        irq_exit();
+}
+
+static inline void
 send_one_CPI(__u8 cpu, __u8 cpi)
 {
         if(voyager_quad_processors & (1<<cpu))
@@ -1249,14 +1256,6 @@ smp_vic_timer_interrupt(struct pt_regs *regs)
         smp_local_timer_interrupt(regs);
 }
 
-static inline void
-wrapper_smp_local_timer_interrupt(struct pt_regs *regs)
-{
-        irq_enter();
-        smp_local_timer_interrupt(regs);
-        irq_exit();
-}
-
 /* local (per CPU) timer interrupt.  It does both profiling and
  * process statistics/rescheduling.
  *
diff --git a/arch/i386/pci/irq.c b/arch/i386/pci/irq.c
index d6598da4b67b..da21b1d07c15 100644
--- a/arch/i386/pci/irq.c
+++ b/arch/i386/pci/irq.c
@@ -1029,7 +1029,6 @@ void pcibios_penalize_isa_irq(int irq)
 static int pirq_enable_irq(struct pci_dev *dev)
 {
         u8 pin;
-        extern int via_interrupt_line_quirk;
         struct pci_dev *temp_dev;
 
         pci_read_config_byte(dev, PCI_INTERRUPT_PIN, &pin);
@@ -1084,10 +1083,6 @@ static int pirq_enable_irq(struct pci_dev *dev)
                 printk(KERN_WARNING "PCI: No IRQ known for interrupt pin %c of device %s.%s\n",
                        'A' + pin, pci_name(dev), msg);
         }
-        /* VIA bridges use interrupt line for apic/pci steering across
-           the V-Link */
-        else if (via_interrupt_line_quirk)
-                pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq & 15);
         return 0;
 }
 
diff --git a/arch/ia64/ia32/sys_ia32.c b/arch/ia64/ia32/sys_ia32.c
index 247a21c64aea..c1e20d65dd6c 100644
--- a/arch/ia64/ia32/sys_ia32.c
+++ b/arch/ia64/ia32/sys_ia32.c
@@ -2427,7 +2427,7 @@ sys32_epoll_wait(int epfd, struct epoll_event32 __user * events, int maxevents,
 {
         struct epoll_event *events64 = NULL;
         mm_segment_t old_fs = get_fs();
-        int error, numevents, size;
+        int numevents, size;
         int evt_idx;
         int do_free_pages = 0;
 
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 81c45d447394..d99316c9be28 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1182,7 +1182,7 @@ ENTRY(notify_resume_user)
         ;;
 (pNonSys) mov out2=0                            // out2==0 => not a syscall
         .fframe 16
-        .spillpsp ar.unat, 16                   // (note that offset is relative to psp+0x10!)
+        .spillsp ar.unat, 16
         st8 [sp]=r9,-16                         // allocate space for ar.unat and save it
         st8 [out1]=loc1,-8                      // save ar.pfs, out1=&sigscratch
         .body
@@ -1208,7 +1208,7 @@ GLOBAL_ENTRY(sys_rt_sigsuspend)
         adds out2=8,sp                          // out2=&sigscratch->ar_pfs
         ;;
         .fframe 16
-        .spillpsp ar.unat, 16                   // (note that offset is relative to psp+0x10!)
+        .spillsp ar.unat, 16
         st8 [sp]=r9,-16                         // allocate space for ar.unat and save it
         st8 [out2]=loc1,-8                      // save ar.pfs, out2=&sigscratch
         .body
diff --git a/arch/ia64/kernel/fsys.S b/arch/ia64/kernel/fsys.S
index 4f3cdef75797..962b6c4e32b5 100644
--- a/arch/ia64/kernel/fsys.S
+++ b/arch/ia64/kernel/fsys.S
@@ -460,9 +460,9 @@ EX(.fail_efault, ld8 r14=[r33])			// r14 <- *set
         ;;
 
         st8 [r2]=r14                            // update current->blocked with new mask
-        cmpxchg4.acq r14=[r9],r18,ar.ccv        // current->thread_info->flags <- r18
+        cmpxchg4.acq r8=[r9],r18,ar.ccv         // current->thread_info->flags <- r18
         ;;
-        cmp.ne p6,p0=r17,r14                    // update failed?
+        cmp.ne p6,p0=r17,r8                     // update failed?
 (p6)    br.cond.spnt.few 1b                     // yes -> retry
 
 #ifdef CONFIG_SMP
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 4d6c7b8f667b..736e328b5e61 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -1103,8 +1103,6 @@ ia64_mca_cpe_int_caller(int cpe_irq, void *arg, struct pt_regs *ptregs)
         return IRQ_HANDLED;
 }
 
-#endif /* CONFIG_ACPI */
-
 /*
  *  ia64_mca_cpe_poll
  *
@@ -1122,6 +1120,8 @@ ia64_mca_cpe_poll (unsigned long dummy)
         platform_send_ipi(first_cpu(cpu_online_map), IA64_CPEP_VECTOR, IA64_IPI_DM_INT, 0);
 }
 
+#endif /* CONFIG_ACPI */
+
 /*
  * C portion of the OS INIT handler
  *
@@ -1390,8 +1390,7 @@ ia64_mca_init(void)
         register_percpu_irq(IA64_MCA_WAKEUP_VECTOR, &mca_wkup_irqaction);
 
 #ifdef CONFIG_ACPI
-        /* Setup the CPEI/P vector and handler */
-        cpe_vector = acpi_request_vector(ACPI_INTERRUPT_CPEI);
+        /* Setup the CPEI/P handler */
         register_percpu_irq(IA64_CPEP_VECTOR, &mca_cpep_irqaction);
 #endif
 
@@ -1436,6 +1435,7 @@ ia64_mca_late_init(void)
 
 #ifdef CONFIG_ACPI
         /* Setup the CPEI/P vector and handler */
+        cpe_vector = acpi_request_vector(ACPI_INTERRUPT_CPEI);
         init_timer(&cpe_poll_timer);
         cpe_poll_timer.function = ia64_mca_cpe_poll;
 
diff --git a/arch/ia64/kernel/minstate.h b/arch/ia64/kernel/minstate.h
index 1dbc7b2497c9..f6d8a010d99b 100644
--- a/arch/ia64/kernel/minstate.h
+++ b/arch/ia64/kernel/minstate.h
@@ -41,7 +41,7 @@
 (pKStk) addl r3=THIS_CPU(ia64_mca_data),r3;;                                                    \
 (pKStk) ld8 r3 = [r3];;                                                                         \
 (pKStk) addl r3=IA64_MCA_CPU_INIT_STACK_OFFSET,r3;;                                             \
-(pKStk) addl sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r3;                                           \
+(pKStk) addl r1=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r3;                                           \
 (pUStk) mov ar.rsc=0;           /* set enforced lazy mode, pl 0, little-endian, loadrs=0 */     \
 (pUStk) addl r22=IA64_RBS_OFFSET,r1;            /* compute base of register backing store */    \
         ;;                                                                                      \
@@ -50,7 +50,6 @@
 (pUStk) mov r23=ar.bspstore;                            /* save ar.bspstore */                  \
 (pUStk) dep r22=-1,r22,61,3;                    /* compute kernel virtual addr of RBS */        \
         ;;                                                                                      \
-(pKStk) addl r1=-IA64_PT_REGS_SIZE,r1;          /* if in kernel mode, use sp (r12) */           \
 (pUStk) mov ar.bspstore=r22;                    /* switch to kernel RBS */                      \
         ;;                                                                                      \
 (pUStk) mov r18=ar.bsp;                                                                         \
diff --git a/arch/ia64/kernel/module.c b/arch/ia64/kernel/module.c
index febc091c2f02..f1aca7cffd12 100644
--- a/arch/ia64/kernel/module.c
+++ b/arch/ia64/kernel/module.c
@@ -825,14 +825,16 @@ apply_relocate_add (Elf64_Shdr *sechdrs, const char *strtab, unsigned int symind
                  * XXX Should have an arch-hook for running this after final section
                  *     addresses have been selected...
                  */
-                /* See if gp can cover the entire core module:  */
-                uint64_t gp = (uint64_t) mod->module_core + MAX_LTOFF / 2;
-                if (mod->core_size >= MAX_LTOFF)
+                uint64_t gp;
+                if (mod->core_size > MAX_LTOFF)
                         /*
                          * This takes advantage of fact that SHF_ARCH_SMALL gets allocated
                          * at the end of the module.
                          */
-                        gp = (uint64_t) mod->module_core + mod->core_size - MAX_LTOFF / 2;
+                        gp = mod->core_size - MAX_LTOFF / 2;
+                else
+                        gp = mod->core_size / 2;
+                gp = (uint64_t) mod->module_core + ((gp + 7) & -8);
                 mod->arch.gp = gp;
                 DEBUGP("%s: placing gp at 0x%lx\n", __FUNCTION__, gp);
         }
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 71c101601e3e..6407bff6bfd7 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -11,7 +11,7 @@
  * Version Perfmon-2.x is a rewrite of perfmon-1.x
  * by Stephane Eranian, Hewlett Packard Co.
  *
- * Copyright (C) 1999-2003, 2005  Hewlett Packard Co
+ * Copyright (C) 1999-2005  Hewlett Packard Co
  *               Stephane Eranian <eranian@hpl.hp.com>
  *               David Mosberger-Tang <davidm@hpl.hp.com>
  *
@@ -497,6 +497,9 @@ typedef struct {
 static pfm_stats_t              pfm_stats[NR_CPUS];
 static pfm_session_t            pfm_sessions;   /* global sessions information */
 
+static spinlock_t pfm_alt_install_check = SPIN_LOCK_UNLOCKED;
+static pfm_intr_handler_desc_t  *pfm_alt_intr_handler;
+
 static struct proc_dir_entry    *perfmon_dir;
 static pfm_uuid_t               pfm_null_uuid = {0,};
 
@@ -606,6 +609,7 @@ DEFINE_PER_CPU(unsigned long, pfm_syst_info);
 DEFINE_PER_CPU(struct task_struct *, pmu_owner);
 DEFINE_PER_CPU(pfm_context_t  *, pmu_ctx);
 DEFINE_PER_CPU(unsigned long, pmu_activation_number);
+EXPORT_PER_CPU_SYMBOL_GPL(pfm_syst_info);
 
 
 /* forward declaration */
@@ -1325,7 +1329,7 @@ pfm_reserve_session(struct task_struct *task, int is_syswide, unsigned int cpu)
 error_conflict:
         DPRINT(("system wide not possible, conflicting session [%d] on CPU%d\n",
                 pfm_sessions.pfs_sys_session[cpu]->pid,
-                smp_processor_id()));
+                cpu));
 abort:
         UNLOCK_PFS(flags);
 
@@ -5555,26 +5559,32 @@ pfm_interrupt_handler(int irq, void *arg, struct pt_regs *regs)
         int ret;
 
         this_cpu = get_cpu();
-        min      = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min;
-        max      = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max;
+        if (likely(!pfm_alt_intr_handler)) {
+                min = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min;
+                max = pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max;
 
-        start_cycles = ia64_get_itc();
+                start_cycles = ia64_get_itc();
 
-        ret = pfm_do_interrupt_handler(irq, arg, regs);
+                ret = pfm_do_interrupt_handler(irq, arg, regs);
 
-        total_cycles = ia64_get_itc();
+                total_cycles = ia64_get_itc();
 
-        /*
-         * don't measure spurious interrupts
-         */
-        if (likely(ret == 0)) {
-                total_cycles -= start_cycles;
+                /*
+                 * don't measure spurious interrupts
+                 */
+                if (likely(ret == 0)) {
+                        total_cycles -= start_cycles;
 
-                if (total_cycles < min) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min = total_cycles;
-                if (total_cycles > max) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max = total_cycles;
+                        if (total_cycles < min) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_min = total_cycles;
+                        if (total_cycles > max) pfm_stats[this_cpu].pfm_ovfl_intr_cycles_max = total_cycles;
 
-                pfm_stats[this_cpu].pfm_ovfl_intr_cycles += total_cycles;
+                        pfm_stats[this_cpu].pfm_ovfl_intr_cycles += total_cycles;
+                }
+        }
+        else {
+                (*pfm_alt_intr_handler->handler)(irq, arg, regs);
         }
+
         put_cpu_no_resched();
         return IRQ_HANDLED;
 }
@@ -6425,6 +6435,141 @@ static struct irqaction perfmon_irqaction = {
         .name    = "perfmon"
 };
 
+static void
+pfm_alt_save_pmu_state(void *data)
+{
+        struct pt_regs *regs;
+
+        regs = ia64_task_regs(current);
+
+        DPRINT(("called\n"));
+
+        /*
+         * should not be necessary but
+         * let's take not risk
+         */
+        pfm_clear_psr_up();
+        pfm_clear_psr_pp();
+        ia64_psr(regs)->pp = 0;
+
+        /*
+         * This call is required
+         * May cause a spurious interrupt on some processors
+         */
+        pfm_freeze_pmu();
+
+        ia64_srlz_d();
+}
+
+void
+pfm_alt_restore_pmu_state(void *data)
+{
+        struct pt_regs *regs;
+
+        regs = ia64_task_regs(current);
+
+        DPRINT(("called\n"));
+
+        /*
+         * put PMU back in state expected
+         * by perfmon
+         */
+        pfm_clear_psr_up();
+        pfm_clear_psr_pp();
+        ia64_psr(regs)->pp = 0;
+
+        /*
+         * perfmon runs with PMU unfrozen at all times
+         */
+        pfm_unfreeze_pmu();
+
+        ia64_srlz_d();
+}
+
+int
+pfm_install_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
+{
+        int ret, i;
+        int reserve_cpu;
+
+        /* some sanity checks */
+        if (hdl == NULL || hdl->handler == NULL) return -EINVAL;
+
+        /* do the easy test first */
+        if (pfm_alt_intr_handler) return -EBUSY;
+
+        /* one at a time in the install or remove, just fail the others */
+        if (!spin_trylock(&pfm_alt_install_check)) {
+                return -EBUSY;
+        }
+
+        /* reserve our session */
+        for_each_online_cpu(reserve_cpu) {
+                ret = pfm_reserve_session(NULL, 1, reserve_cpu);
+                if (ret) goto cleanup_reserve;
+        }
+
+        /* save the current system wide pmu states */
+        ret = on_each_cpu(pfm_alt_save_pmu_state, NULL, 0, 1);
+        if (ret) {
+                DPRINT(("on_each_cpu() failed: %d\n", ret));
+                goto cleanup_reserve;
+        }
+
+        /* officially change to the alternate interrupt handler */
+        pfm_alt_intr_handler = hdl;
+
+        spin_unlock(&pfm_alt_install_check);
+
+        return 0;
+
+cleanup_reserve:
+        for_each_online_cpu(i) {
+                /* don't unreserve more than we reserved */
+                if (i >= reserve_cpu) break;
+
+                pfm_unreserve_session(NULL, 1, i);
+        }
+
+        spin_unlock(&pfm_alt_install_check);
+
+        return ret;
+}
+EXPORT_SYMBOL_GPL(pfm_install_alt_pmu_interrupt);
+
+int
+pfm_remove_alt_pmu_interrupt(pfm_intr_handler_desc_t *hdl)
+{
+        int i;
+        int ret;
+
+        if (hdl == NULL) return -EINVAL;
+
+        /* cannot remove someone else's handler! */
+        if (pfm_alt_intr_handler != hdl) return -EINVAL;
+
+        /* one at a time in the install or remove, just fail the others */
+        if (!spin_trylock(&pfm_alt_install_check)) {
+                return -EBUSY;
+        }
+
+        pfm_alt_intr_handler = NULL;
+
+        ret = on_each_cpu(pfm_alt_restore_pmu_state, NULL, 0, 1);
+        if (ret) {
+                DPRINT(("on_each_cpu() failed: %d\n", ret));
+        }
+
+        for_each_online_cpu(i) {
+                pfm_unreserve_session(NULL, 1, i);
+        }
+
+        spin_unlock(&pfm_alt_install_check);
+
+        return 0;
+}
+EXPORT_SYMBOL_GPL(pfm_remove_alt_pmu_interrupt);
+
 /*
  * perfmon initialization routine, called from the initcall() table
  */
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 907464ee7273..575a8f657b31 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -635,11 +635,17 @@ ia64_flush_fph (struct task_struct *task)
 {
         struct ia64_psr *psr = ia64_psr(ia64_task_regs(task));
 
+        /*
+         * Prevent migrating this task while
+         * we're fiddling with the FPU state
+         */
+        preempt_disable();
         if (ia64_is_local_fpu_owner(task) && psr->mfh) {
                 psr->mfh = 0;
                 task->thread.flags |= IA64_THREAD_FPH_VALID;
                 ia64_save_fpu(&task->thread.fph[0]);
         }
+        preempt_enable();
 }
 
 /*
@@ -692,16 +698,30 @@ convert_to_non_syscall (struct task_struct *child, struct pt_regs  *pt,
                         unsigned long cfm)
 {
         struct unw_frame_info info, prev_info;
-        unsigned long ip, pr;
+        unsigned long ip, sp, pr;
 
         unw_init_from_blocked_task(&info, child);
         while (1) {
                 prev_info = info;
                 if (unw_unwind(&info) < 0)
                         return;
-                if (unw_get_rp(&info, &ip) < 0)
+
+                unw_get_sp(&info, &sp);
+                if ((long)((unsigned long)child + IA64_STK_OFFSET - sp)
+                    < IA64_PT_REGS_SIZE) {
+                        dprintk("ptrace.%s: ran off the top of the kernel "
+                                "stack\n", __FUNCTION__);
+                        return;
+                }
+                if (unw_get_pr (&prev_info, &pr) < 0) {
+                        unw_get_rp(&prev_info, &ip);
+                        dprintk("ptrace.%s: failed to read "
+                                "predicate register (ip=0x%lx)\n",
+                                __FUNCTION__, ip);
                         return;
-                if (ip < FIXADDR_USER_END)
+                }
+                if (unw_is_intr_frame(&info)
+                    && (pr & (1UL << PRED_USER_STACK)))
                         break;
         }
 
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index b7e6b4cb374b..d14692e0920a 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -720,7 +720,8 @@ cpu_init (void)
         ia64_set_kr(IA64_KR_PT_BASE, __pa(ia64_imva(empty_zero_page)));
 
         /*
-         * Initialize default control register to defer all speculative faults.  The
+         * Initialize default control register to defer speculative faults except
+         * for those arising from TLB misses, which are not deferred.  The
          * kernel MUST NOT depend on a particular setting of these bits (in other words,
          * the kernel must have recovery code for all speculative accesses).  Turn on
          * dcr.lc as per recommendation by the architecture team.  Most IA-32 apps
diff --git a/arch/ia64/kernel/smpboot.c b/arch/ia64/kernel/smpboot.c
index 0d5ee57c9865..3865f088ffa2 100644
--- a/arch/ia64/kernel/smpboot.c
+++ b/arch/ia64/kernel/smpboot.c
@@ -624,7 +624,7 @@ static struct {
         __u16   thread_id;
         __u16   proc_fixed_addr;
         __u8    valid;
-}mt_info[NR_CPUS] __devinit;
+} mt_info[NR_CPUS] __devinitdata;
 
 #ifdef CONFIG_HOTPLUG_CPU
 static inline void
diff --git a/arch/ia64/kernel/sys_ia64.c b/arch/ia64/kernel/sys_ia64.c
index a8cf6d8a509c..770fab37928e 100644
--- a/arch/ia64/kernel/sys_ia64.c
+++ b/arch/ia64/kernel/sys_ia64.c
@@ -182,13 +182,6 @@ do_mmap2 (unsigned long addr, unsigned long len, int prot, int flags, int fd, un
                 }
         }
 
-        /*
-         * A zero mmap always succeeds in Linux, independent of whether or not the
-         * remaining arguments are valid.
-         */
-        if (len == 0)
-                goto out;
-
         /* Careful about overflows.. */
         len = PAGE_ALIGN(len);
         if (!len || len > TASK_SIZE) {
diff --git a/arch/ia64/kernel/traps.c b/arch/ia64/kernel/traps.c
index e82ad78081b3..1861173bd4f6 100644
--- a/arch/ia64/kernel/traps.c
+++ b/arch/ia64/kernel/traps.c
@@ -111,6 +111,24 @@ ia64_bad_break (unsigned long break_num, struct pt_regs *regs)
         siginfo_t siginfo;
         int sig, code;
 
+        /* break.b always sets cr.iim to 0, which causes problems for
+         * debuggers.  Get the real break number from the original instruction,
+         * but only for kernel code.  User space break.b is left alone, to
+         * preserve the existing behaviour.  All break codings have the same
+         * format, so there is no need to check the slot type.
+         */
+        if (break_num == 0 && !user_mode(regs)) {
+                struct ia64_psr *ipsr = ia64_psr(regs);
+                unsigned long *bundle = (unsigned long *)regs->cr_iip;
+                unsigned long slot;
+                switch (ipsr->ri) {
+                      case 0:  slot = (bundle[0] >>  5); break;
+                      case 1:  slot = (bundle[0] >> 46) | (bundle[1] << 18); break;
+                      default: slot = (bundle[1] >> 23); break;
+                }
+                break_num = ((slot >> 36 & 1) << 20) | (slot >> 6 & 0xfffff);
+        }
+
         /* SIGILL, SIGFPE, SIGSEGV, and SIGBUS want these field initialized: */
         siginfo.si_addr = (void __user *) (regs->cr_iip + ia64_psr(regs)->ri);
         siginfo.si_imm = break_num;
@@ -202,13 +220,21 @@ disabled_fph_fault (struct pt_regs *regs)
 
         /* first, grant user-level access to fph partition: */
         psr->dfh = 0;
+
+        /*
+         * Make sure that no other task gets in on this processor
+         * while we're claiming the FPU
+         */
+        preempt_disable();
 #ifndef CONFIG_SMP
         {
                 struct task_struct *fpu_owner
                         = (struct task_struct *)ia64_get_kr(IA64_KR_FPU_OWNER);
 
-                if (ia64_is_local_fpu_owner(current))
+                if (ia64_is_local_fpu_owner(current)) {
+                        preempt_enable_no_resched();
                         return;
+                }
 
                 if (fpu_owner)
                         ia64_flush_fph(fpu_owner);
@@ -226,6 +252,7 @@ disabled_fph_fault (struct pt_regs *regs)
                  */
                 psr->mfh = 1;
         }
+        preempt_enable_no_resched();
 }
 
 static inline int
diff --git a/arch/ia64/mm/init.c b/arch/ia64/mm/init.c
index 547785e3cba2..4eb2f52b87a1 100644
--- a/arch/ia64/mm/init.c
+++ b/arch/ia64/mm/init.c
@@ -305,8 +305,9 @@ setup_gate (void)
         struct page *page;
 
         /*
-         * Map the gate page twice: once read-only to export the ELF headers etc. and once
-         * execute-only page to enable privilege-promotion via "epc":
+         * Map the gate page twice: once read-only to export the ELF
+         * headers etc. and once execute-only page to enable
+         * privilege-promotion via "epc":
          */
         page = virt_to_page(ia64_imva(__start_gate_section));
         put_kernel_page(page, GATE_ADDR, PAGE_READONLY);
@@ -315,6 +316,20 @@ setup_gate (void)
         put_kernel_page(page, GATE_ADDR + PAGE_SIZE, PAGE_GATE);
 #else
         put_kernel_page(page, GATE_ADDR + PERCPU_PAGE_SIZE, PAGE_GATE);
+        /* Fill in the holes (if any) with read-only zero pages: */
+        {
+                unsigned long addr;
+
+                for (addr = GATE_ADDR + PAGE_SIZE;
+                     addr < GATE_ADDR + PERCPU_PAGE_SIZE;
+                     addr += PAGE_SIZE)
+                {
+                        put_kernel_page(ZERO_PAGE(0), addr,
+                                        PAGE_READONLY);
+                        put_kernel_page(ZERO_PAGE(0), addr + PERCPU_PAGE_SIZE,
+                                        PAGE_READONLY);
+                }
+        }
 #endif
         ia64_patch_gate();
 }
diff --git a/arch/ia64/sn/kernel/setup.c b/arch/ia64/sn/kernel/setup.c
index 4fb44984afe6..44bfc7f318cb 100644
--- a/arch/ia64/sn/kernel/setup.c
+++ b/arch/ia64/sn/kernel/setup.c
@@ -222,7 +222,7 @@ void __init early_sn_setup(void)
 
 extern int platform_intr_list[];
 extern nasid_t master_nasid;
-static int shub_1_1_found __initdata;
+static int __initdata shub_1_1_found = 0;
 
 /*
  * sn_check_for_wars
@@ -251,7 +251,7 @@ static void __init sn_check_for_wars(void)
         } else {
                 for_each_online_node(cnode) {
                         if (is_shub_1_1(cnodeid_to_nasid(cnode)))
-                                sn_hub_info->shub_1_1_found = 1;
+                                shub_1_1_found = 1;
                 }
         }
 }
@@ -271,6 +271,8 @@ void __init sn_setup(char **cmdline_p)
         int major = sn_sal_rev_major(), minor = sn_sal_rev_minor();
         extern void sn_cpu_init(void);
 
+        ia64_sn_plat_set_error_handling_features();
+
         /*
          * If the generic code has enabled vga console support - lets
          * get rid of it again. This is a kludge for the fact that ACPI
diff --git a/arch/m68k/configs/amiga_defconfig b/arch/m68k/configs/amiga_defconfig
index 7dbf997ff205..5649fbae430e 100644
--- a/arch/m68k/configs/amiga_defconfig
+++ b/arch/m68k/configs/amiga_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:05:59 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:23 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -135,7 +137,6 @@ CONFIG_PARPORT_1284=y
 #
 CONFIG_AMIGA_FLOPPY=y
 CONFIG_AMIGA_Z2RAM=y
-# CONFIG_BLK_DEV_XD is not set
 # CONFIG_PARIDE is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
@@ -223,17 +224,12 @@ CONFIG_SCSI_CONSTANTS=y
 #
 # SCSI low-level drivers
 #
-# CONFIG_SCSI_7000FASST is not set
 # CONFIG_SCSI_AHA152X is not set
-# CONFIG_SCSI_AHA1542 is not set
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_IN2000 is not set
 # CONFIG_SCSI_SATA is not set
-# CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DTC3280 is not set
-# CONFIG_SCSI_EATA is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
-# CONFIG_SCSI_GDTH is not set
 # CONFIG_SCSI_GENERIC_NCR5380 is not set
 # CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
 # CONFIG_SCSI_PPA is not set
@@ -244,7 +240,6 @@ CONFIG_SCSI_CONSTANTS=y
 # CONFIG_SCSI_QLOGIC_FAS is not set
 # CONFIG_SCSI_SYM53C416 is not set
 # CONFIG_SCSI_T128 is not set
-# CONFIG_SCSI_U14_34F is not set
 # CONFIG_SCSI_DEBUG is not set
 CONFIG_A3000_SCSI=y
 CONFIG_A2091_SCSI=y
@@ -492,7 +487,6 @@ CONFIG_HYDRA=m
 CONFIG_ZORRO8390=m
 CONFIG_APNE=m
 # CONFIG_NET_VENDOR_3COM is not set
-# CONFIG_LANCE is not set
 # CONFIG_NET_VENDOR_SMC is not set
 # CONFIG_NET_VENDOR_RACAL is not set
 # CONFIG_AT1700 is not set
@@ -620,7 +614,6 @@ CONFIG_SERIO_SERPORT=m
 # CONFIG_SERIO_PARKBD is not set
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/apollo_defconfig b/arch/m68k/configs/apollo_defconfig
index 505a2968e604..63024b0b7ac3 100644
--- a/arch/m68k/configs/apollo_defconfig
+++ b/arch/m68k/configs/apollo_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:00 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:27 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -497,7 +499,6 @@ CONFIG_SERIO_SERPORT=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/atari_defconfig b/arch/m68k/configs/atari_defconfig
index 617aa73c3250..6433da2d2ce2 100644
--- a/arch/m68k/configs/atari_defconfig
+++ b/arch/m68k/configs/atari_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:18 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:32 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -531,7 +533,6 @@ CONFIG_SERIO_SERPORT=y
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/bvme6000_defconfig b/arch/m68k/configs/bvme6000_defconfig
index b501db51d9ec..da2a23a21463 100644
--- a/arch/m68k/configs/bvme6000_defconfig
+++ b/arch/m68k/configs/bvme6000_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:19 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:37 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -496,7 +498,6 @@ CONFIG_SERIO_SERPORT=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/hp300_defconfig b/arch/m68k/configs/hp300_defconfig
index 2bf6cef4f2b2..51251883adf8 100644
--- a/arch/m68k/configs/hp300_defconfig
+++ b/arch/m68k/configs/hp300_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:21 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:41 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -498,7 +500,6 @@ CONFIG_SERIO_SERPORT=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/mac_defconfig b/arch/m68k/configs/mac_defconfig
index 7074f856820c..15b80abfe94a 100644
--- a/arch/m68k/configs/mac_defconfig
+++ b/arch/m68k/configs/mac_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:24 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:45 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -540,7 +542,6 @@ CONFIG_SERIO_SERPORT=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/mvme147_defconfig b/arch/m68k/configs/mvme147_defconfig
index 61f09bc4846a..f0d5534f6830 100644
--- a/arch/m68k/configs/mvme147_defconfig
+++ b/arch/m68k/configs/mvme147_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:28 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:50 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -498,7 +500,6 @@ CONFIG_SERIO_SERPORT=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/mvme16x_defconfig b/arch/m68k/configs/mvme16x_defconfig
index 69c01004ec41..1d5c46ff3c81 100644
--- a/arch/m68k/configs/mvme16x_defconfig
+++ b/arch/m68k/configs/mvme16x_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:31 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:53 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -497,7 +499,6 @@ CONFIG_SERIO_SERPORT=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/q40_defconfig b/arch/m68k/configs/q40_defconfig
index 550ec26006c1..856238634d42 100644
--- a/arch/m68k/configs/q40_defconfig
+++ b/arch/m68k/configs/q40_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:34 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:58 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -125,7 +127,6 @@ CONFIG_FW_LOADER=m
 # Block devices
 #
 # CONFIG_BLK_DEV_FD is not set
-# CONFIG_BLK_DEV_XD is not set
 # CONFIG_BLK_DEV_COW_COMMON is not set
 CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_CRYPTOLOOP=m
@@ -210,17 +211,12 @@ CONFIG_SCSI_CONSTANTS=y
 #
 # SCSI low-level drivers
 #
-# CONFIG_SCSI_7000FASST is not set
 # CONFIG_SCSI_AHA152X is not set
-# CONFIG_SCSI_AHA1542 is not set
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_IN2000 is not set
 # CONFIG_SCSI_SATA is not set
-# CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DTC3280 is not set
-# CONFIG_SCSI_EATA is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
-# CONFIG_SCSI_GDTH is not set
 # CONFIG_SCSI_GENERIC_NCR5380 is not set
 # CONFIG_SCSI_GENERIC_NCR5380_MMIO is not set
 # CONFIG_SCSI_NCR53C406A is not set
@@ -229,7 +225,6 @@ CONFIG_SCSI_CONSTANTS=y
 # CONFIG_SCSI_QLOGIC_FAS is not set
 # CONFIG_SCSI_SYM53C416 is not set
 # CONFIG_SCSI_T128 is not set
-# CONFIG_SCSI_U14_34F is not set
 # CONFIG_SCSI_DEBUG is not set
 
 #
@@ -466,7 +461,6 @@ CONFIG_EQUALIZER=m
 CONFIG_NET_ETHERNET=y
 CONFIG_MII=m
 # CONFIG_NET_VENDOR_3COM is not set
-# CONFIG_LANCE is not set
 # CONFIG_NET_VENDOR_SMC is not set
 # CONFIG_NET_VENDOR_RACAL is not set
 # CONFIG_AT1700 is not set
@@ -570,7 +564,6 @@ CONFIG_SERIO_Q40KBD=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/sun3_defconfig b/arch/m68k/configs/sun3_defconfig
index 5b5a619645aa..af903b5c5708 100644
--- a/arch/m68k/configs/sun3_defconfig
+++ b/arch/m68k/configs/sun3_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:37 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:35:02 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -171,7 +173,6 @@ CONFIG_SCSI_CONSTANTS=y
 #
 # CONFIG_SCSI_SATA is not set
 # CONFIG_SCSI_DEBUG is not set
-CONFIG_SUN3_SCSI=y
 
 #
 # Multi-device support (RAID and LVM)
@@ -487,7 +488,6 @@ CONFIG_SERIO_SERPORT=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/configs/sun3x_defconfig b/arch/m68k/configs/sun3x_defconfig
index 704e42344cba..997143b7928a 100644
--- a/arch/m68k/configs/sun3x_defconfig
+++ b/arch/m68k/configs/sun3x_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:06:40 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:35:06 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -35,6 +35,8 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -497,7 +499,6 @@ CONFIG_SERIO_SERPORT=m
 CONFIG_SERIO_LIBPS2=m
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68k/defconfig b/arch/m68k/defconfig
index 5b2296ecba82..7d935e48a9a8 100644
--- a/arch/m68k/defconfig
+++ b/arch/m68k/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc2-m68k
-# Tue Apr  5 14:05:31 2005
+# Linux kernel version: 2.6.12-rc6-m68k
+# Tue Jun  7 20:34:17 2005
 #
 CONFIG_M68K=y
 CONFIG_MMU=y
@@ -33,6 +33,8 @@ CONFIG_KOBJECT_UEVENT=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -355,7 +357,6 @@ CONFIG_SERIO_SERPORT=y
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
diff --git a/arch/m68knommu/kernel/process.c b/arch/m68knommu/kernel/process.c
index 2b6c9d32b7a6..c4a33f265dc0 100644
--- a/arch/m68knommu/kernel/process.c
+++ b/arch/m68knommu/kernel/process.c
@@ -45,11 +45,13 @@ asmlinkage void ret_from_fork(void);
  */
 void default_idle(void)
 {
-        while(1) {
-                if (need_resched())
-                        __asm__("stop #0x2000" : : : "cc");
-                schedule();
+        local_irq_disable();
+        while (!need_resched()) {
+                /* This stop will re-enable interrupts */
+                __asm__("stop #0x2000" : : : "cc");
+                local_irq_disable();
         }
+        local_irq_enable();
 }
 
 void (*idle)(void) = default_idle;
@@ -63,7 +65,12 @@ void (*idle)(void) = default_idle;
 void cpu_idle(void)
 {
         /* endless idle loop with no priority at all */
-        idle();
+        while (1) {
+                idle();
+                preempt_enable_no_resched();
+                schedule();
+                preempt_disable();
+        }
 }
 
 void machine_restart(char * __unused)
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index 600f23d7fd33..6e6377a69d5b 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -1143,12 +1143,12 @@ config PCI_QSPAN
 
 config PCI_8260
         bool
-        depends on PCI && 8260 && !8272
+        depends on PCI && 8260
         default y
 
 config 8260_PCI9
         bool "  Enable workaround for MPC826x erratum PCI 9"
-        depends on PCI_8260
+        depends on PCI_8260 && !ADS8272
         default y
 
 choice
diff --git a/arch/ppc/boot/images/Makefile b/arch/ppc/boot/images/Makefile
index f850fb0fb511..c9ac5f5fa9e4 100644
--- a/arch/ppc/boot/images/Makefile
+++ b/arch/ppc/boot/images/Makefile
@@ -22,7 +22,8 @@ targets += uImage
 $(obj)/uImage: $(obj)/vmlinux.gz
         $(Q)rm -f $@
         $(call if_changed,uimage)
-        @echo '  Image: $@' $(if $(wildcard $@),'is ready','not made')
+        @echo -n '  Image: $@ '
+        @if [ -f $@ ]; then echo 'is ready' ; else echo 'not made'; fi
 
 # Files generated that shall be removed upon make clean
 clean-files     := sImage vmapus vmlinux* miboot* zImage* uImage
diff --git a/arch/ppc/configs/mpc8555_cds_defconfig b/arch/ppc/configs/mpc8555_cds_defconfig
index 728bd9e1a8fa..15abebf46b96 100644
--- a/arch/ppc/configs/mpc8555_cds_defconfig
+++ b/arch/ppc/configs/mpc8555_cds_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11-rc1
-# Thu Jan 20 01:25:35 2005
+# Linux kernel version: 2.6.12-rc4
+# Tue May 17 11:56:01 2005
 #
 CONFIG_MMU=y
 CONFIG_GENERIC_HARDIRQS=y
@@ -11,6 +11,7 @@ CONFIG_HAVE_DEC_LOCK=y
 CONFIG_PPC=y
 CONFIG_PPC32=y
 CONFIG_GENERIC_NVRAM=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 
 #
 # Code maturity level options
@@ -18,6 +19,7 @@ CONFIG_GENERIC_NVRAM=y
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -29,12 +31,14 @@ CONFIG_SYSVIPC=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_HOTPLUG is not set
 CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
 CONFIG_EMBEDDED=y
 # CONFIG_KALLSYMS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 # CONFIG_EPOLL is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -44,6 +48,7 @@ CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
 # CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
 
 #
 # Loadable module support
@@ -62,10 +67,12 @@ CONFIG_CC_ALIGN_JUMPS=0
 CONFIG_E500=y
 CONFIG_BOOKE=y
 CONFIG_FSL_BOOKE=y
+# CONFIG_PHYS_64BIT is not set
 CONFIG_SPE=y
 CONFIG_MATH_EMULATION=y
 # CONFIG_CPU_FREQ is not set
 CONFIG_PPC_GEN550=y
+# CONFIG_PM is not set
 CONFIG_85xx=y
 CONFIG_PPC_INDIRECT_PCI_BE=y
 
@@ -76,6 +83,7 @@ CONFIG_PPC_INDIRECT_PCI_BE=y
 CONFIG_MPC8555_CDS=y
 # CONFIG_MPC8560_ADS is not set
 # CONFIG_SBC8560 is not set
+# CONFIG_STX_GP3 is not set
 CONFIG_MPC8555=y
 CONFIG_85xx_PCI2=y
 
@@ -90,6 +98,7 @@ CONFIG_CPM2=y
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
 # CONFIG_CMDLINE_BOOL is not set
+CONFIG_ISA_DMA_API=y
 
 #
 # Bus options
@@ -105,10 +114,6 @@ CONFIG_PCI_NAMES=y
 # CONFIG_PCCARD is not set
 
 #
-# PC-card bridges
-#
-
-#
 # Advanced setup
 #
 # CONFIG_ADVANCED_OPTIONS is not set
@@ -180,7 +185,59 @@ CONFIG_IOSCHED_CFQ=y
 #
 # ATA/ATAPI/MFM/RLL support
 #
-# CONFIG_IDE is not set
+CONFIG_IDE=y
+CONFIG_BLK_DEV_IDE=y
+
+#
+# Please see Documentation/ide.txt for help/info on IDE drives
+#
+# CONFIG_BLK_DEV_IDE_SATA is not set
+CONFIG_BLK_DEV_IDEDISK=y
+# CONFIG_IDEDISK_MULTI_MODE is not set
+# CONFIG_BLK_DEV_IDECD is not set
+# CONFIG_BLK_DEV_IDETAPE is not set
+# CONFIG_BLK_DEV_IDEFLOPPY is not set
+# CONFIG_IDE_TASK_IOCTL is not set
+
+#
+# IDE chipset support/bugfixes
+#
+CONFIG_IDE_GENERIC=y
+CONFIG_BLK_DEV_IDEPCI=y
+CONFIG_IDEPCI_SHARE_IRQ=y
+# CONFIG_BLK_DEV_OFFBOARD is not set
+CONFIG_BLK_DEV_GENERIC=y
+# CONFIG_BLK_DEV_OPTI621 is not set
+# CONFIG_BLK_DEV_SL82C105 is not set
+CONFIG_BLK_DEV_IDEDMA_PCI=y
+# CONFIG_BLK_DEV_IDEDMA_FORCED is not set
+CONFIG_IDEDMA_PCI_AUTO=y
+# CONFIG_IDEDMA_ONLYDISK is not set
+# CONFIG_BLK_DEV_AEC62XX is not set
+# CONFIG_BLK_DEV_ALI15X3 is not set
+# CONFIG_BLK_DEV_AMD74XX is not set
+# CONFIG_BLK_DEV_CMD64X is not set
+# CONFIG_BLK_DEV_TRIFLEX is not set
+# CONFIG_BLK_DEV_CY82C693 is not set
+# CONFIG_BLK_DEV_CS5520 is not set
+# CONFIG_BLK_DEV_CS5530 is not set
+# CONFIG_BLK_DEV_HPT34X is not set
+# CONFIG_BLK_DEV_HPT366 is not set
+# CONFIG_BLK_DEV_SC1200 is not set
+# CONFIG_BLK_DEV_PIIX is not set
+# CONFIG_BLK_DEV_NS87415 is not set
+# CONFIG_BLK_DEV_PDC202XX_OLD is not set
+# CONFIG_BLK_DEV_PDC202XX_NEW is not set
+# CONFIG_BLK_DEV_SVWKS is not set
+# CONFIG_BLK_DEV_SIIMAGE is not set
+# CONFIG_BLK_DEV_SLC90E66 is not set
+# CONFIG_BLK_DEV_TRM290 is not set
+CONFIG_BLK_DEV_VIA82CXXX=y
+# CONFIG_IDE_ARM is not set
+CONFIG_BLK_DEV_IDEDMA=y
+# CONFIG_IDEDMA_IVB is not set
+CONFIG_IDEDMA_AUTO=y
+# CONFIG_BLK_DEV_HD is not set
 
 #
 # SCSI device support
@@ -220,7 +277,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -370,14 +426,6 @@ CONFIG_INPUT=y
 # CONFIG_INPUT_EVBUG is not set
 
 #
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-# CONFIG_SERIO is not set
-# CONFIG_SERIO_I8042 is not set
-
-#
 # Input Device Drivers
 #
 # CONFIG_INPUT_KEYBOARD is not set
@@ -387,6 +435,13 @@ CONFIG_SOUND_GAMEPORT=y
 # CONFIG_INPUT_MISC is not set
 
 #
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+CONFIG_SOUND_GAMEPORT=y
+
+#
 # Character devices
 #
 # CONFIG_VT is not set
@@ -406,6 +461,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_CPM is not set
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -434,6 +490,11 @@ CONFIG_GEN_RTC=y
 # CONFIG_RAW_DRIVER is not set
 
 #
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
+
+#
 # I2C support
 #
 CONFIG_I2C=y
@@ -456,11 +517,11 @@ CONFIG_I2C_CHARDEV=y
 # CONFIG_I2C_AMD8111 is not set
 # CONFIG_I2C_I801 is not set
 # CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
 CONFIG_I2C_MPC=y
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_PROSAVAGE is not set
 # CONFIG_I2C_SAVAGE4 is not set
 # CONFIG_SCx200_ACB is not set
@@ -483,7 +544,9 @@ CONFIG_I2C_MPC=y
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_FSCHER is not set
+# CONFIG_SENSORS_FSCPOS is not set
 # CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
 # CONFIG_SENSORS_LM75 is not set
@@ -494,9 +557,11 @@ CONFIG_I2C_MPC=y
 # CONFIG_SENSORS_LM85 is not set
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_SIS5595 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
@@ -506,10 +571,12 @@ CONFIG_I2C_MPC=y
 #
 # Other I2C Chip support
 #
+# CONFIG_SENSORS_DS1337 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_SENSORS_M41T00 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
 # CONFIG_I2C_DEBUG_ALGO is not set
 # CONFIG_I2C_DEBUG_BUS is not set
@@ -538,7 +605,6 @@ CONFIG_I2C_MPC=y
 # Graphics support
 #
 # CONFIG_FB is not set
-# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
 # Sound
@@ -548,13 +614,9 @@ CONFIG_I2C_MPC=y
 #
 # USB support
 #
-# CONFIG_USB is not set
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
-
-#
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
-#
+# CONFIG_USB is not set
 
 #
 # USB Gadget Support
@@ -585,6 +647,10 @@ CONFIG_JBD=y
 CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
+
+#
+# XFS support
+#
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -646,7 +712,6 @@ CONFIG_NFS_FS=y
 # CONFIG_NFSD is not set
 CONFIG_ROOT_NFS=y
 CONFIG_LOCKD=y
-# CONFIG_EXPORTFS is not set
 CONFIG_SUNRPC=y
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
@@ -698,7 +763,9 @@ CONFIG_CRC32=y
 #
 # Kernel hacking
 #
+# CONFIG_PRINTK_TIME is not set
 # CONFIG_DEBUG_KERNEL is not set
+CONFIG_LOG_BUF_SHIFT=14
 # CONFIG_KGDB_CONSOLE is not set
 # CONFIG_SERIAL_TEXT_DEBUG is not set
 
diff --git a/arch/ppc/kernel/cputable.c b/arch/ppc/kernel/cputable.c
index 8aa5e8c69009..d44b7dc5390a 100644
--- a/arch/ppc/kernel/cputable.c
+++ b/arch/ppc/kernel/cputable.c
@@ -838,6 +838,17 @@ struct cpu_spec	cpu_specs[] = {
                 .icache_bsize           = 32,
                 .dcache_bsize           = 32,
         },
+        {       /* 405EP */
+                .pvr_mask               = 0xffff0000,
+                .pvr_value              = 0x51210000,
+                .cpu_name               = "405EP",
+                .cpu_features           = CPU_FTR_SPLIT_ID_CACHE |
+                        CPU_FTR_USE_TB,
+                .cpu_user_features      = PPC_FEATURE_32 |
+                        PPC_FEATURE_HAS_MMU | PPC_FEATURE_HAS_4xxMAC,
+                .icache_bsize           = 32,
+                .dcache_bsize           = 32,
+        },
 
 #endif /* CONFIG_40x */
 #ifdef CONFIG_44x
diff --git a/arch/ppc/kernel/head_fsl_booke.S b/arch/ppc/kernel/head_fsl_booke.S
index f22ddce36135..ce36e88ba627 100644
--- a/arch/ppc/kernel/head_fsl_booke.S
+++ b/arch/ppc/kernel/head_fsl_booke.S
@@ -232,7 +232,8 @@ skpinv:	addi	r6,r6,1				/* Increment */
         tlbwe
 
 /* 7. Jump to KERNELBASE mapping */
-        li      r7,0
+        lis     r7,MSR_KERNEL@h
+        ori     r7,r7,MSR_KERNEL@l
         bl      1f                      /* Find our address */
 1:      mflr    r9
         rlwimi  r6,r9,0,20,31
@@ -293,6 +294,18 @@ skpinv:	addi	r6,r6,1				/* Increment */
         mtspr   SPRN_HID0, r2
 #endif
 
+#if !defined(CONFIG_BDI_SWITCH)
+        /*
+         * The Abatron BDI JTAG debugger does not tolerate others
+         * mucking with the debug registers.
+         */
+        lis     r2,DBCR0_IDM@h
+        mtspr   SPRN_DBCR0,r2
+        /* clear any residual debug events */
+        li      r2,-1
+        mtspr   SPRN_DBSR,r2
+#endif
+
         /*
          * This is where the main kernel code starts.
          */
diff --git a/arch/ppc/kernel/misc.S b/arch/ppc/kernel/misc.S
index e4f1615ec13f..7329ef177a18 100644
--- a/arch/ppc/kernel/misc.S
+++ b/arch/ppc/kernel/misc.S
@@ -619,7 +619,7 @@ _GLOBAL(flush_instruction_cache)
 _GLOBAL(flush_icache_range)
 BEGIN_FTR_SECTION
         blr                             /* for 601, do nothing */
-END_FTR_SECTION_IFSET(PPC_FEATURE_UNIFIED_CACHE)
+END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
         li      r5,L1_CACHE_LINE_SIZE-1
         andc    r3,r3,r5
         subf    r4,r3,r4
@@ -736,7 +736,7 @@ _GLOBAL(flush_dcache_all)
 _GLOBAL(__flush_dcache_icache)
 BEGIN_FTR_SECTION
         blr                                     /* for 601, do nothing */
-END_FTR_SECTION_IFSET(PPC_FEATURE_UNIFIED_CACHE)
+END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
         rlwinm  r3,r3,0,0,19                    /* Get page base address */
         li      r4,4096/L1_CACHE_LINE_SIZE      /* Number of lines in a page */
         mtctr   r4
@@ -764,7 +764,7 @@ END_FTR_SECTION_IFSET(PPC_FEATURE_UNIFIED_CACHE)
 _GLOBAL(__flush_dcache_icache_phys)
 BEGIN_FTR_SECTION
         blr                                     /* for 601, do nothing */
-END_FTR_SECTION_IFSET(PPC_FEATURE_UNIFIED_CACHE)
+END_FTR_SECTION_IFCLR(CPU_FTR_SPLIT_ID_CACHE)
         mfmsr   r10
         rlwinm  r0,r10,0,28,26                  /* clear DR */
         mtmsr   r0
diff --git a/arch/ppc/kernel/traps.c b/arch/ppc/kernel/traps.c
index f8e7e324a173..c65731e8bc65 100644
--- a/arch/ppc/kernel/traps.c
+++ b/arch/ppc/kernel/traps.c
@@ -408,12 +408,7 @@ static int emulate_string_inst(struct pt_regs *regs, u32 instword)
 
         /* Early out if we are an invalid form of lswx */
         if ((instword & INST_STRING_MASK) == INST_LSWX)
-                if ((rA >= rT) || (NB_RB >= rT) || (rT == rA) || (rT == NB_RB))
-                        return -EINVAL;
-
-        /* Early out if we are an invalid form of lswi */
-        if ((instword & INST_STRING_MASK) == INST_LSWI)
-                if ((rA >= rT) || (rT == rA))
+                if ((rT == rA) || (rT == NB_RB))
                         return -EINVAL;
 
         EA = (rA == 0) ? 0 : regs->gpr[rA];
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.c b/arch/ppc/platforms/83xx/mpc834x_sys.c
index b3b0f51979d2..e6348b5a1ddc 100644
--- a/arch/ppc/platforms/83xx/mpc834x_sys.c
+++ b/arch/ppc/platforms/83xx/mpc834x_sys.c
@@ -127,7 +127,6 @@ mpc834x_sys_map_io(void)
 {
         /* we steal the lowest ioremap addr for virt space */
         io_block_mapping(VIRT_IMMRBAR, immrbar, 1024*1024, _PAGE_IO);
-        io_block_mapping(BCSR_VIRT_ADDR, BCSR_PHYS_ADDR, BCSR_SIZE, _PAGE_IO);
 }
 
 int
diff --git a/arch/ppc/platforms/83xx/mpc834x_sys.h b/arch/ppc/platforms/83xx/mpc834x_sys.h
index f4d055ae19c1..a2f6e49d7151 100644
--- a/arch/ppc/platforms/83xx/mpc834x_sys.h
+++ b/arch/ppc/platforms/83xx/mpc834x_sys.h
@@ -26,9 +26,14 @@
 #define VIRT_IMMRBAR            ((uint)0xfe000000)
 
 #define BCSR_PHYS_ADDR          ((uint)0xf8000000)
-#define BCSR_VIRT_ADDR          ((uint)0xfe100000)
 #define BCSR_SIZE               ((uint)(32 * 1024))
 
+#define BCSR_MISC_REG2_OFF      0x07
+#define BCSR_MISC_REG2_PORESET  0x01
+
+#define BCSR_MISC_REG3_OFF      0x08
+#define BCSR_MISC_REG3_CNFLOCK  0x80
+
 #ifdef CONFIG_PCI
 /* PCI interrupt controller */
 #define PIRQA        MPC83xx_IRQ_IRQ4
diff --git a/arch/ppc/platforms/85xx/mpc8540_ads.c b/arch/ppc/platforms/85xx/mpc8540_ads.c
index 4d857d6d633d..583838ab02d8 100644
--- a/arch/ppc/platforms/85xx/mpc8540_ads.c
+++ b/arch/ppc/platforms/85xx/mpc8540_ads.c
@@ -210,6 +210,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
         ppc_md.progress = gen550_progress;
 #endif  /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
+#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
+        ppc_md.early_serial_map = mpc85xx_early_serial_map;
+#endif  /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
 
         if (ppc_md.progress)
                 ppc_md.progress("mpc8540ads_init(): exit", 0);
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
index 6c020d67ad70..e7cfa498568c 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.c
@@ -44,6 +44,7 @@
 #include <asm/machdep.h>
 #include <asm/prom.h>
 #include <asm/open_pic.h>
+#include <asm/i8259.h>
 #include <asm/bootinfo.h>
 #include <asm/pci-bridge.h>
 #include <asm/mpc85xx.h>
@@ -181,6 +182,7 @@ void __init
 mpc85xx_cds_init_IRQ(void)
 {
         bd_t *binfo = (bd_t *) __res;
+        int i;
 
         /* Determine the Physical Address of the OpenPIC regs */
         phys_addr_t OpenPIC_PAddr = binfo->bi_immr_base + MPC85xx_OPENPIC_OFFSET;
@@ -198,6 +200,15 @@ mpc85xx_cds_init_IRQ(void)
          */
         openpic_init(MPC85xx_OPENPIC_IRQ_OFFSET);
 
+#ifdef CONFIG_PCI
+        openpic_hookup_cascade(PIRQ0A, "82c59 cascade", i8259_irq);
+
+        for (i = 0; i < NUM_8259_INTERRUPTS; i++)
+                irq_desc[i].handler = &i8259_pic;
+
+        i8259_init(0);
+#endif
+
 #ifdef CONFIG_CPM2
         /* Setup CPM2 PIC */
         cpm2_init_IRQ();
@@ -231,7 +242,7 @@ mpc85xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
                          * interrupt on slot */
                 {
                         { 0, 1, 2, 3 }, /* 16 - PMC */
-                        { 3, 0, 0, 0 }, /* 17 P2P (Tsi320) */
+                        { 0, 1, 2, 3 }, /* 17 P2P (Tsi320) */
                         { 0, 1, 2, 3 }, /* 18 - Slot 1 */
                         { 1, 2, 3, 0 }, /* 19 - Slot 2 */
                         { 2, 3, 0, 1 }, /* 20 - Slot 3 */
@@ -280,13 +291,135 @@ mpc85xx_exclude_device(u_char bus, u_char devfn)
                         return PCIBIOS_DEVICE_NOT_FOUND;
 #endif
         /* We explicitly do not go past the Tundra 320 Bridge */
-        if (bus == 1)
+        if ((bus == 1) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
                 return PCIBIOS_DEVICE_NOT_FOUND;
         if ((bus == 0) && (PCI_SLOT(devfn) == ARCADIA_2ND_BRIDGE_IDSEL))
                 return PCIBIOS_DEVICE_NOT_FOUND;
         else
                 return PCIBIOS_SUCCESSFUL;
 }
+
+void __init
+mpc85xx_cds_enable_via(struct pci_controller *hose)
+{
+        u32 pci_class;
+        u16 vid, did;
+
+        early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
+        if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
+                return;
+
+        /* Configure P2P so that we can reach bus 1 */
+        early_write_config_byte(hose, 0, 0x88, PCI_PRIMARY_BUS, 0);
+        early_write_config_byte(hose, 0, 0x88, PCI_SECONDARY_BUS, 1);
+        early_write_config_byte(hose, 0, 0x88, PCI_SUBORDINATE_BUS, 0xff);
+
+        early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
+        early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
+
+        if ((vid != PCI_VENDOR_ID_VIA) ||
+                        (did != PCI_DEVICE_ID_VIA_82C686))
+                return;
+
+        /* Enable USB and IDE functions */
+        early_write_config_byte(hose, 1, 0x10, 0x48, 0x08);
+}
+
+void __init
+mpc85xx_cds_fixup_via(struct pci_controller *hose)
+{
+        u32 pci_class;
+        u16 vid, did;
+
+        early_read_config_dword(hose, 0, 0x88, PCI_CLASS_REVISION, &pci_class);
+        if ((pci_class >> 16) != PCI_CLASS_BRIDGE_PCI)
+                return;
+
+        /*
+         * Force the backplane P2P bridge to have a window
+         * open from 0x00000000-0x00001fff in PCI I/O space.
+         * This allows legacy I/O (i8259, etc) on the VIA
+         * southbridge to be accessed.
+         */
+        early_write_config_byte(hose, 0, 0x88, PCI_IO_BASE, 0x00);
+        early_write_config_word(hose, 0, 0x88, PCI_IO_BASE_UPPER16, 0x0000);
+        early_write_config_byte(hose, 0, 0x88, PCI_IO_LIMIT, 0x10);
+        early_write_config_word(hose, 0, 0x88, PCI_IO_LIMIT_UPPER16, 0x0000);
+
+        early_read_config_word(hose, 1, 0x10, PCI_VENDOR_ID, &vid);
+        early_read_config_word(hose, 1, 0x10, PCI_DEVICE_ID, &did);
+        if ((vid != PCI_VENDOR_ID_VIA) ||
+                        (did != PCI_DEVICE_ID_VIA_82C686))
+                return;
+
+        /*
+         * Since the P2P window was forced to cover the fixed
+         * legacy I/O addresses, it is necessary to manually
+         * place the base addresses for the IDE and USB functions
+         * within this window.
+         */
+        /* Function 1, IDE */
+        early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_0, 0x1ff8);
+        early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_1, 0x1ff4);
+        early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_2, 0x1fe8);
+        early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_3, 0x1fe4);
+        early_write_config_dword(hose, 1, 0x11, PCI_BASE_ADDRESS_4, 0x1fd0);
+
+        /* Function 2, USB ports 0-1 */
+        early_write_config_dword(hose, 1, 0x12, PCI_BASE_ADDRESS_4, 0x1fa0);
+
+        /* Function 3, USB ports 2-3 */
+        early_write_config_dword(hose, 1, 0x13, PCI_BASE_ADDRESS_4, 0x1f80);
+
+        /* Function 5, Power Management */
+        early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_0, 0x1e00);
+        early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_1, 0x1dfc);
+        early_write_config_dword(hose, 1, 0x15, PCI_BASE_ADDRESS_2, 0x1df8);
+
+        /* Function 6, AC97 Interface */
+        early_write_config_dword(hose, 1, 0x16, PCI_BASE_ADDRESS_0, 0x1c00);
+}
+
+void __init
+mpc85xx_cds_pcibios_fixup(void)
+{
+        struct pci_dev *dev = NULL;
+        u_char          c;
+
+        if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+                                        PCI_DEVICE_ID_VIA_82C586_1, NULL))) {
+                /*
+                 * U-Boot does not set the enable bits
+                 * for the IDE device. Force them on here.
+                 */
+                pci_read_config_byte(dev, 0x40, &c);
+                c |= 0x03; /* IDE: Chip Enable Bits */
+                pci_write_config_byte(dev, 0x40, c);
+
+                /*
+                 * Since only primary interface works, force the
+                 * IDE function to standard primary IDE interrupt
+                 * w/ 8259 offset
+                 */
+                dev->irq = 14;
+                pci_write_config_byte(dev, PCI_INTERRUPT_LINE, dev->irq);
+        }
+
+        /*
+         * Force legacy USB interrupt routing
+         */
+        if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+                                        PCI_DEVICE_ID_VIA_82C586_2, NULL))) {
+                dev->irq = 10;
+                pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 10);
+        }
+
+        if ((dev = pci_find_device(PCI_VENDOR_ID_VIA,
+                                        PCI_DEVICE_ID_VIA_82C586_2, dev))) {
+                dev->irq = 11;
+                pci_write_config_byte(dev, PCI_INTERRUPT_LINE, 11);
+        }
+}
 #endif /* CONFIG_PCI */
 
 TODC_ALLOC();
@@ -328,6 +461,9 @@ mpc85xx_cds_setup_arch(void)
         loops_per_jiffy = freq / HZ;
 
 #ifdef CONFIG_PCI
+        /* VIA IDE configuration */
+        ppc_md.pcibios_fixup = mpc85xx_cds_pcibios_fixup;
+
         /* setup PCI host bridges */
         mpc85xx_setup_hose();
 #endif
@@ -459,6 +595,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
         ppc_md.progress = gen550_progress;
 #endif /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
+#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
+        ppc_md.early_serial_map = mpc85xx_early_serial_map;
+#endif  /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
 
         if (ppc_md.progress)
                 ppc_md.progress("mpc85xx_cds_init(): exit", 0);
diff --git a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
index 7627d77504bd..12b292c6ae32 100644
--- a/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
+++ b/arch/ppc/platforms/85xx/mpc85xx_cds_common.h
@@ -77,4 +77,7 @@
 
 #define MPC85XX_PCI2_IO_SIZE         0x01000000
 
+#define NR_8259_INTS                 16
+#define CPM_IRQ_OFFSET               NR_8259_INTS
+
 #endif /* __MACH_MPC85XX_CDS_H__ */
diff --git a/arch/ppc/platforms/85xx/sbc8560.c b/arch/ppc/platforms/85xx/sbc8560.c
index 9ab05e590c3e..7b9e1543e175 100644
--- a/arch/ppc/platforms/85xx/sbc8560.c
+++ b/arch/ppc/platforms/85xx/sbc8560.c
@@ -221,6 +221,9 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5,
 #if defined(CONFIG_SERIAL_8250) && defined(CONFIG_SERIAL_TEXT_DEBUG)
         ppc_md.progress = gen550_progress;
 #endif  /* CONFIG_SERIAL_8250 && CONFIG_SERIAL_TEXT_DEBUG */
+#if defined(CONFIG_SERIAL_8250) && defined(CONFIG_KGDB)
+        ppc_md.early_serial_map = sbc8560_early_serial_map;
+#endif  /* CONFIG_SERIAL_8250 && CONFIG_KGDB */
 
         if (ppc_md.progress)
                 ppc_md.progress("sbc8560_init(): exit", 0);
diff --git a/arch/ppc/platforms/pmac_cpufreq.c b/arch/ppc/platforms/pmac_cpufreq.c
index f7fb2786cd50..5fdd4f607a40 100644
--- a/arch/ppc/platforms/pmac_cpufreq.c
+++ b/arch/ppc/platforms/pmac_cpufreq.c
@@ -83,16 +83,13 @@ static u32 frequency_gpio;
 static u32 slew_done_gpio;
 static int no_schedule;
 static int has_cpu_l2lve;
-
-
-#define PMAC_CPU_LOW_SPEED      1
-#define PMAC_CPU_HIGH_SPEED     0
+static int is_pmu_based;
 
 /* There are only two frequency states for each processor. Values
  * are in kHz for the time being.
  */
-#define CPUFREQ_HIGH                  PMAC_CPU_HIGH_SPEED
-#define CPUFREQ_LOW                   PMAC_CPU_LOW_SPEED
+#define CPUFREQ_HIGH                  0
+#define CPUFREQ_LOW                   1
 
 static struct cpufreq_frequency_table pmac_cpu_freqs[] = {
         {CPUFREQ_HIGH,          0},
@@ -100,6 +97,11 @@ static struct cpufreq_frequency_table pmac_cpu_freqs[] = {
         {0,                     CPUFREQ_TABLE_END},
 };
 
+static struct freq_attr* pmac_cpu_freqs_attr[] = {
+        &cpufreq_freq_attr_scaling_available_freqs,
+        NULL,
+};
+
 static inline void local_delay(unsigned long ms)
 {
         if (no_schedule)
@@ -269,6 +271,8 @@ static int __pmac pmu_set_cpu_speed(int low_speed)
 #ifdef DEBUG_FREQ
         printk(KERN_DEBUG "HID1, before: %x\n", mfspr(SPRN_HID1));
 #endif
+        pmu_suspend();
+
         /* Disable all interrupt sources on openpic */
         pic_prio = openpic_get_priority();
         openpic_set_priority(0xf);
@@ -343,6 +347,8 @@ static int __pmac pmu_set_cpu_speed(int low_speed)
         debug_calc_bogomips();
 #endif
 
+        pmu_resume();
+
         preempt_enable();
 
         return 0;
@@ -355,7 +361,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
         static unsigned long prev_l3cr;
 
         freqs.old = cur_freq;
-        freqs.new = (speed_mode == PMAC_CPU_HIGH_SPEED) ? hi_freq : low_freq;
+        freqs.new = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq;
         freqs.cpu = smp_processor_id();
 
         if (freqs.old == freqs.new)
@@ -363,7 +369,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
 
         if (notify)
                 cpufreq_notify_transition(&freqs, CPUFREQ_PRECHANGE);
-        if (speed_mode == PMAC_CPU_LOW_SPEED &&
+        if (speed_mode == CPUFREQ_LOW &&
             cpu_has_feature(CPU_FTR_L3CR)) {
                 l3cr = _get_L3CR();
                 if (l3cr & L3CR_L3E) {
@@ -371,8 +377,8 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
                         _set_L3CR(0);
                 }
         }
-        set_speed_proc(speed_mode == PMAC_CPU_LOW_SPEED);
-        if (speed_mode == PMAC_CPU_HIGH_SPEED &&
+        set_speed_proc(speed_mode == CPUFREQ_LOW);
+        if (speed_mode == CPUFREQ_HIGH &&
             cpu_has_feature(CPU_FTR_L3CR)) {
                 l3cr = _get_L3CR();
                 if ((prev_l3cr & L3CR_L3E) && l3cr != prev_l3cr)
@@ -380,7 +386,7 @@ static int __pmac do_set_cpu_speed(int speed_mode, int notify)
         }
         if (notify)
                 cpufreq_notify_transition(&freqs, CPUFREQ_POSTCHANGE);
-        cur_freq = (speed_mode == PMAC_CPU_HIGH_SPEED) ? hi_freq : low_freq;
+        cur_freq = (speed_mode == CPUFREQ_HIGH) ? hi_freq : low_freq;
 
         return 0;
 }
@@ -423,7 +429,8 @@ static int __pmac pmac_cpufreq_cpu_init(struct cpufreq_policy *policy)
         policy->cpuinfo.transition_latency      = CPUFREQ_ETERNAL;
         policy->cur = cur_freq;
 
-        return cpufreq_frequency_table_cpuinfo(policy, &pmac_cpu_freqs[0]);
+        cpufreq_frequency_table_get_attr(pmac_cpu_freqs, policy->cpu);
+        return cpufreq_frequency_table_cpuinfo(policy, pmac_cpu_freqs);
 }
 
 static u32 __pmac read_gpio(struct device_node *np)
@@ -456,8 +463,8 @@ static int __pmac pmac_cpufreq_suspend(struct cpufreq_policy *policy, u32 state)
          */
         no_schedule = 1;
         sleep_freq = cur_freq;
-        if (cur_freq == low_freq)
-                do_set_cpu_speed(PMAC_CPU_HIGH_SPEED, 0);
+        if (cur_freq == low_freq && !is_pmu_based)
+                do_set_cpu_speed(CPUFREQ_HIGH, 0);
         return 0;
 }
 
@@ -473,8 +480,8 @@ static int __pmac pmac_cpufreq_resume(struct cpufreq_policy *policy)
          * is that we force a switch to whatever it was, which is
          * probably high speed due to our suspend() routine
          */
-        do_set_cpu_speed(sleep_freq == low_freq ? PMAC_CPU_LOW_SPEED
-                         : PMAC_CPU_HIGH_SPEED, 0);
+        do_set_cpu_speed(sleep_freq == low_freq ?
+                         CPUFREQ_LOW : CPUFREQ_HIGH, 0);
 
         no_schedule = 0;
         return 0;
@@ -488,6 +495,7 @@ static struct cpufreq_driver pmac_cpufreq_driver = {
         .suspend        = pmac_cpufreq_suspend,
         .resume         = pmac_cpufreq_resume,
         .flags          = CPUFREQ_PM_NO_WARN,
+        .attr           = pmac_cpu_freqs_attr,
         .name           = "powermac",
         .owner          = THIS_MODULE,
 };
@@ -580,6 +588,7 @@ static int __pmac pmac_cpufreq_init_MacRISC3(struct device_node *cpunode)
                 return 1;
         hi_freq = (*value) / 1000;
         set_speed_proc = pmu_set_cpu_speed;
+        is_pmu_based = 1;
 
         return 0;
 }
@@ -684,6 +693,7 @@ static int __init pmac_cpufreq_setup(void)
                 hi_freq = cur_freq;
                 low_freq = 400000;
                 set_speed_proc = pmu_set_cpu_speed;
+                is_pmu_based = 1;
         }
         /* Else check for TiPb 400 & 500 */
         else if (machine_is_compatible("PowerBook3,2")) {
@@ -695,6 +705,7 @@ static int __init pmac_cpufreq_setup(void)
                 hi_freq = cur_freq;
                 low_freq = 300000;
                 set_speed_proc = pmu_set_cpu_speed;
+                is_pmu_based = 1;
         }
         /* Else check for 750FX */
         else if (PVR_VER(mfspr(SPRN_PVR)) == 0x7000)
diff --git a/arch/ppc/platforms/pq2ads.h b/arch/ppc/platforms/pq2ads.h
index cf5e5dd06d63..067d9a5aebc1 100644
--- a/arch/ppc/platforms/pq2ads.h
+++ b/arch/ppc/platforms/pq2ads.h
@@ -49,10 +49,10 @@
 /* PCI interrupt controller */
 #define PCI_INT_STAT_REG        0xF8200000
 #define PCI_INT_MASK_REG        0xF8200004
-#define PIRQA                   (NR_SIU_INTS + 0)
-#define PIRQB                   (NR_SIU_INTS + 1)
-#define PIRQC                   (NR_SIU_INTS + 2)
-#define PIRQD                   (NR_SIU_INTS + 3)
+#define PIRQA                   (NR_CPM_INTS + 0)
+#define PIRQB                   (NR_CPM_INTS + 1)
+#define PIRQC                   (NR_CPM_INTS + 2)
+#define PIRQD                   (NR_CPM_INTS + 3)
 
 /*
  * PCI memory map definitions for MPC8266ADS-PCI.
@@ -68,28 +68,23 @@
  *      0x00000000-0x1FFFFFFF   0x00000000-0x1FFFFFFF   MPC8266 local memory
  */
 
-/* window for a PCI master to access MPC8266 memory */
-#define PCI_SLV_MEM_LOCAL       0x00000000      /* Local base */
-#define PCI_SLV_MEM_BUS         0x00000000      /* PCI base */
+/* All the other PCI memory map definitions reside at syslib/m82xx_pci.h
+   Here we should redefine what is unique for this board */
+#define M82xx_PCI_SLAVE_MEM_LOCAL       0x00000000      /* Local base */
+#define M82xx_PCI_SLAVE_MEM_BUS         0x00000000      /* PCI base */
+#define M82xx_PCI_SLAVE_MEM_SIZE        0x10000000      /* 256 Mb */
 
-/* window for the processor to access PCI memory with prefetching */
-#define PCI_MSTR_MEM_LOCAL      0x80000000      /* Local base */
-#define PCI_MSTR_MEM_BUS        0x80000000      /* PCI base   */
-#define PCI_MSTR_MEM_SIZE       0x20000000      /* 512MB */
+#define M82xx_PCI_SLAVE_SEC_WND_SIZE    ~(0x40000000 - 1U)      /* 2 x 512Mb  */
+#define M82xx_PCI_SLAVE_SEC_WND_BASE    0x80000000              /* PCI Memory base */
 
-/* window for the processor to access PCI memory without prefetching */
-#define PCI_MSTR_MEMIO_LOCAL    0xA0000000      /* Local base */
-#define PCI_MSTR_MEMIO_BUS      0xA0000000      /* PCI base   */
-#define PCI_MSTR_MEMIO_SIZE     0x20000000      /* 512MB */
+#if defined(CONFIG_ADS8272)
+#define PCI_INT_TO_SIU  SIU_INT_IRQ2
+#elif defined(CONFIG_PQ2FADS)
+#define PCI_INT_TO_SIU  SIU_INT_IRQ6
+#else
+#warning PCI Bridge will be without interrupts support
+#endif
 
-/* window for the processor to access PCI I/O */
-#define PCI_MSTR_IO_LOCAL       0xF4000000      /* Local base */
-#define PCI_MSTR_IO_BUS         0x00000000      /* PCI base   */
-#define PCI_MSTR_IO_SIZE        0x04000000      /* 64MB */
-
-#define _IO_BASE                PCI_MSTR_IO_LOCAL
-#define _ISA_MEM_BASE           PCI_MSTR_MEMIO_LOCAL
-#define PCI_DRAM_OFFSET         PCI_SLV_MEM_BUS
 #endif /* CONFIG_PCI */
 
 #endif /* __MACH_ADS8260_DEFS */
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index dd418ea3426c..96acf85800d4 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -81,7 +81,7 @@ obj-$(CONFIG_SBC82xx)		+= todc_time.o
 obj-$(CONFIG_SPRUCE)            += cpc700_pic.o indirect_pci.o pci_auto.o \
                                    todc_time.o
 obj-$(CONFIG_8260)              += m8260_setup.o
-obj-$(CONFIG_PCI_8260)          += m8260_pci.o indirect_pci.o
+obj-$(CONFIG_PCI_8260)          += m82xx_pci.o indirect_pci.o pci_auto.o
 obj-$(CONFIG_8260_PCI9)         += m8260_pci_erratum9.o
 obj-$(CONFIG_CPM2)              += cpm2_common.o cpm2_pic.o
 ifeq ($(CONFIG_PPC_GEN550),y)
@@ -97,7 +97,7 @@ obj-$(CONFIG_MPC10X_OPENPIC)	+= open_pic.o
 obj-$(CONFIG_40x)               += dcr.o
 obj-$(CONFIG_BOOKE)             += dcr.o
 obj-$(CONFIG_85xx)              += open_pic.o ppc85xx_common.o ppc85xx_setup.o \
-                                        ppc_sys.o mpc85xx_sys.o \
+                                        ppc_sys.o i8259.o mpc85xx_sys.o \
                                         mpc85xx_devices.o
 ifeq ($(CONFIG_85xx),y)
 obj-$(CONFIG_PCI)               += indirect_pci.o pci_auto.o
diff --git a/arch/ppc/syslib/ipic.c b/arch/ppc/syslib/ipic.c
index acb2cde3171f..580ed658e872 100644
--- a/arch/ppc/syslib/ipic.c
+++ b/arch/ppc/syslib/ipic.c
@@ -479,7 +479,7 @@ void __init ipic_init(phys_addr_t phys_addr,
         temp = 0;
         for (i = 0 ; i < senses_count ; i++) {
                 if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
-                        temp |= 1 << (16 - i);
+                        temp |= 1 << (15 - i);
                         if (i != 0)
                                 irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
                         else
diff --git a/arch/ppc/syslib/m8260_pci.c b/arch/ppc/syslib/m8260_pci.c
deleted file mode 100644
index 057cc3f8ff37..000000000000
--- a/arch/ppc/syslib/m8260_pci.c
+++ /dev/null
@@ -1,193 +0,0 @@
-/*
- * (C) Copyright 2003
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * (C) Copyright 2004 Red Hat, Inc.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <linux/kernel.h>
-#include <linux/init.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-#include <linux/delay.h>
-
-#include <asm/byteorder.h>
-#include <asm/io.h>
-#include <asm/irq.h>
-#include <asm/uaccess.h>
-#include <asm/machdep.h>
-#include <asm/pci-bridge.h>
-#include <asm/immap_cpm2.h>
-#include <asm/mpc8260.h>
-
-#include "m8260_pci.h"
-
-
-/* PCI bus configuration registers.
- */
-
-static void __init m8260_setup_pci(struct pci_controller *hose)
-{
-        volatile cpm2_map_t *immap = cpm2_immr;
-        unsigned long pocmr;
-        u16 tempShort;
-
-#ifndef CONFIG_ATC      /* already done in U-Boot */
-        /* 
-         * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]), 
-         * and local bus for PCI (SIUMCR [LBPC]).
-         */
-        immap->im_siu_conf.siu_82xx.sc_siumcr = 0x00640000;
-#endif
-
-        /* Make PCI lowest priority */
-        /* Each 4 bits is a device bus request  and the MS 4bits 
-           is highest priority */
-        /* Bus               4bit value 
-           ---               ----------
-           CPM high          0b0000
-           CPM middle        0b0001
-           CPM low           0b0010
-           PCI reguest       0b0011
-           Reserved          0b0100
-           Reserved          0b0101
-           Internal Core     0b0110
-           External Master 1 0b0111
-           External Master 2 0b1000
-           External Master 3 0b1001
-           The rest are reserved */
-        immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x61207893;
-
-        /* Park bus on core while modifying PCI Bus accesses */
-        immap->im_siu_conf.siu_82xx.sc_ppc_acr = 0x6;
-
-        /* 
-         * Set up master window that allows the CPU to access PCI space. This 
-         * window is set up using the first SIU PCIBR registers.
-         */
-        immap->im_memctl.memc_pcimsk0 = MPC826x_PCI_MASK;
-        immap->im_memctl.memc_pcibr0 =  MPC826x_PCI_BASE | PCIBR_ENABLE;
-
-        /* Disable machine check on no response or target abort */
-        immap->im_pci.pci_emr = cpu_to_le32(0x1fe7);
-        /* Release PCI RST (by default the PCI RST signal is held low)  */
-        immap->im_pci.pci_gcr = cpu_to_le32(PCIGCR_PCI_BUS_EN);
-
-        /* give it some time */
-        mdelay(1);
-
-        /* 
-         * Set up master window that allows the CPU to access PCI Memory (prefetch) 
-         * space. This window is set up using the first set of Outbound ATU registers.
-         */
-        immap->im_pci.pci_potar0 = cpu_to_le32(MPC826x_PCI_LOWER_MEM >> 12);
-        immap->im_pci.pci_pobar0 = cpu_to_le32((MPC826x_PCI_LOWER_MEM - MPC826x_PCI_MEM_OFFSET) >> 12);
-        pocmr = ((MPC826x_PCI_UPPER_MEM - MPC826x_PCI_LOWER_MEM) >> 12) ^ 0xfffff;
-        immap->im_pci.pci_pocmr0 = cpu_to_le32(pocmr | POCMR_ENABLE | POCMR_PREFETCH_EN);
-
-        /* 
-         * Set up master window that allows the CPU to access PCI Memory (non-prefetch) 
-         * space. This window is set up using the second set of Outbound ATU registers.
-         */
-        immap->im_pci.pci_potar1 = cpu_to_le32(MPC826x_PCI_LOWER_MMIO >> 12);
-        immap->im_pci.pci_pobar1 = cpu_to_le32((MPC826x_PCI_LOWER_MMIO - MPC826x_PCI_MMIO_OFFSET) >> 12);
-        pocmr = ((MPC826x_PCI_UPPER_MMIO - MPC826x_PCI_LOWER_MMIO) >> 12) ^ 0xfffff;
-        immap->im_pci.pci_pocmr1 = cpu_to_le32(pocmr | POCMR_ENABLE);
-
-        /* 
-         * Set up master window that allows the CPU to access PCI IO space. This window
-         * is set up using the third set of Outbound ATU registers.
-         */
-        immap->im_pci.pci_potar2 = cpu_to_le32(MPC826x_PCI_IO_BASE >> 12);
-        immap->im_pci.pci_pobar2 = cpu_to_le32(MPC826x_PCI_LOWER_IO >> 12);
-        pocmr = ((MPC826x_PCI_UPPER_IO - MPC826x_PCI_LOWER_IO) >> 12) ^ 0xfffff;
-        immap->im_pci.pci_pocmr2 = cpu_to_le32(pocmr | POCMR_ENABLE | POCMR_PCI_IO);
-
-        /* 
-         * Set up slave window that allows PCI masters to access MPC826x local memory. 
-         * This window is set up using the first set of Inbound ATU registers
-         */
-
-        immap->im_pci.pci_pitar0 = cpu_to_le32(MPC826x_PCI_SLAVE_MEM_LOCAL >> 12);
-        immap->im_pci.pci_pibar0 = cpu_to_le32(MPC826x_PCI_SLAVE_MEM_BUS >> 12);
-        pocmr = ((MPC826x_PCI_SLAVE_MEM_SIZE-1) >> 12) ^ 0xfffff;
-        immap->im_pci.pci_picmr0 = cpu_to_le32(pocmr | PICMR_ENABLE | PICMR_PREFETCH_EN);
-
-        /* See above for description - puts PCI request as highest priority */
-        immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x03124567;
-
-        /* Park the bus on the PCI */
-        immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
-
-        /* Host mode - specify the bridge as a host-PCI bridge */
-        early_write_config_word(hose, 0, 0, PCI_CLASS_DEVICE, PCI_CLASS_BRIDGE_HOST);
-
-        /* Enable the host bridge to be a master on the PCI bus, and to act as a PCI memory target */
-        early_read_config_word(hose, 0, 0, PCI_COMMAND, &tempShort);
-        early_write_config_word(hose, 0, 0, PCI_COMMAND,
-                                tempShort | PCI_COMMAND_MASTER | PCI_COMMAND_MEMORY);
-}
-
-void __init m8260_find_bridges(void)
-{
-        extern int pci_assign_all_busses;
-        struct pci_controller * hose;
-
-        pci_assign_all_busses = 1;
-
-        hose = pcibios_alloc_controller();
-
-        if (!hose)
-                return;
-
-        ppc_md.pci_swizzle = common_swizzle;
-
-        hose->first_busno = 0;
-        hose->bus_offset = 0;
-        hose->last_busno = 0xff;
-
-        setup_m8260_indirect_pci(hose, 
-                                 (unsigned long)&cpm2_immr->im_pci.pci_cfg_addr,
-                                 (unsigned long)&cpm2_immr->im_pci.pci_cfg_data);
-
-        m8260_setup_pci(hose);
-        hose->pci_mem_offset = MPC826x_PCI_MEM_OFFSET;
-
-        hose->io_base_virt = ioremap(MPC826x_PCI_IO_BASE,
-                                        MPC826x_PCI_IO_SIZE);
-        isa_io_base = (unsigned long) hose->io_base_virt;
- 
-        /* setup resources */
-        pci_init_resource(&hose->mem_resources[0],
-                          MPC826x_PCI_LOWER_MEM,
-                          MPC826x_PCI_UPPER_MEM,
-                          IORESOURCE_MEM|IORESOURCE_PREFETCH, "PCI prefetchable memory");
-
-        pci_init_resource(&hose->mem_resources[1],
-                          MPC826x_PCI_LOWER_MMIO,
-                          MPC826x_PCI_UPPER_MMIO,
-                          IORESOURCE_MEM, "PCI memory");
-
-        pci_init_resource(&hose->io_resource,
-                          MPC826x_PCI_LOWER_IO,
-                          MPC826x_PCI_UPPER_IO,
-                          IORESOURCE_IO, "PCI I/O");
-}
diff --git a/arch/ppc/syslib/m8260_pci.h b/arch/ppc/syslib/m8260_pci.h
deleted file mode 100644
index d1352120acd7..000000000000
--- a/arch/ppc/syslib/m8260_pci.h
+++ /dev/null
@@ -1,76 +0,0 @@
-
-#ifndef _PPC_KERNEL_M8260_PCI_H
-#define _PPC_KERNEL_M8260_PCI_H
-
-#include <asm/m8260_pci.h>
-
-/*
- *   Local->PCI map (from CPU)                             controlled by
- *   MPC826x master window
- *
- *   0x80000000 - 0xBFFFFFFF    Total CPU2PCI space        PCIBR0
- *                       
- *   0x80000000 - 0x9FFFFFFF    PCI Mem with prefetch      (Outbound ATU #1)
- *   0xA0000000 - 0xAFFFFFFF    PCI Mem w/o  prefetch      (Outbound ATU #2)
- *   0xB0000000 - 0xB0FFFFFF    32-bit PCI IO              (Outbound ATU #3)
- *                      
- *   PCI->Local map (from PCI)
- *   MPC826x slave window                                  controlled by
- *
- *   0x00000000 - 0x07FFFFFF    MPC826x local memory       (Inbound ATU #1)
- */
-
-/* 
- * Slave window that allows PCI masters to access MPC826x local memory. 
- * This window is set up using the first set of Inbound ATU registers
- */
-
-#ifndef MPC826x_PCI_SLAVE_MEM_LOCAL
-#define MPC826x_PCI_SLAVE_MEM_LOCAL     (((struct bd_info *)__res)->bi_memstart)
-#define MPC826x_PCI_SLAVE_MEM_BUS       (((struct bd_info *)__res)->bi_memstart)
-#define MPC826x_PCI_SLAVE_MEM_SIZE      (((struct bd_info *)__res)->bi_memsize)
-#endif
-
-/* 
- * This is the window that allows the CPU to access PCI address space.
- * It will be setup with the SIU PCIBR0 register. All three PCI master
- * windows, which allow the CPU to access PCI prefetch, non prefetch,
- * and IO space (see below), must all fit within this window. 
- */
-#ifndef MPC826x_PCI_BASE
-#define MPC826x_PCI_BASE        0x80000000
-#define MPC826x_PCI_MASK        0xc0000000
-#endif
-
-#ifndef MPC826x_PCI_LOWER_MEM
-#define MPC826x_PCI_LOWER_MEM  0x80000000
-#define MPC826x_PCI_UPPER_MEM  0x9fffffff
-#define MPC826x_PCI_MEM_OFFSET 0x00000000
-#endif
-
-#ifndef MPC826x_PCI_LOWER_MMIO
-#define MPC826x_PCI_LOWER_MMIO  0xa0000000
-#define MPC826x_PCI_UPPER_MMIO  0xafffffff
-#define MPC826x_PCI_MMIO_OFFSET 0x00000000
-#endif
-
-#ifndef MPC826x_PCI_LOWER_IO
-#define MPC826x_PCI_LOWER_IO   0x00000000
-#define MPC826x_PCI_UPPER_IO   0x00ffffff
-#define MPC826x_PCI_IO_BASE    0xb0000000
-#define MPC826x_PCI_IO_SIZE    0x01000000
-#endif
-
-#ifndef _IO_BASE
-#define _IO_BASE isa_io_base
-#endif
-
-#ifdef CONFIG_8260_PCI9
-struct pci_controller;
-extern void setup_m8260_indirect_pci(struct pci_controller* hose,
-                                     u32 cfg_addr, u32 cfg_data);
-#else
-#define setup_m8260_indirect_pci setup_indirect_pci
-#endif
-
-#endif /* _PPC_KERNEL_M8260_PCI_H */
diff --git a/arch/ppc/syslib/m8260_pci_erratum9.c b/arch/ppc/syslib/m8260_pci_erratum9.c
index 9c0582d639e0..1dc7e4e1d491 100644
--- a/arch/ppc/syslib/m8260_pci_erratum9.c
+++ b/arch/ppc/syslib/m8260_pci_erratum9.c
@@ -31,7 +31,7 @@
 #include <asm/immap_cpm2.h>
 #include <asm/cpm2.h>
 
-#include "m8260_pci.h"
+#include "m82xx_pci.h"
 
 #ifdef CONFIG_8260_PCI9
 /*#include <asm/mpc8260_pci9.h>*/ /* included in asm/io.h */
@@ -248,11 +248,11 @@ EXPORT_SYMBOL(idma_pci9_read_le);
 
 static inline int is_pci_mem(unsigned long addr)
 {
-        if (addr >= MPC826x_PCI_LOWER_MMIO &&
-            addr <= MPC826x_PCI_UPPER_MMIO)
+        if (addr >= M82xx_PCI_LOWER_MMIO &&
+                addr <= M82xx_PCI_UPPER_MMIO)
                 return 1;
-        if (addr >= MPC826x_PCI_LOWER_MEM &&
-            addr <= MPC826x_PCI_UPPER_MEM)
+        if (addr >= M82xx_PCI_LOWER_MEM &&
+                addr <= M82xx_PCI_UPPER_MEM)
                 return 1;
         return 0;
 }
diff --git a/arch/ppc/syslib/m8260_setup.c b/arch/ppc/syslib/m8260_setup.c
index 23ea3f694de2..fda75d79050c 100644
--- a/arch/ppc/syslib/m8260_setup.c
+++ b/arch/ppc/syslib/m8260_setup.c
@@ -34,7 +34,8 @@
 unsigned char __res[sizeof(bd_t)];
 
 extern void cpm2_reset(void);
-extern void m8260_find_bridges(void);
+extern void pq2_find_bridges(void);
+extern void pq2pci_init_irq(void);
 extern void idma_pci9_init(void);
 
 /* Place-holder for board-specific init */
@@ -56,7 +57,7 @@ m8260_setup_arch(void)
         idma_pci9_init();
 #endif
 #ifdef CONFIG_PCI_8260
-        m8260_find_bridges();
+        pq2_find_bridges();
 #endif
 #ifdef CONFIG_BLK_DEV_INITRD
         if (initrd_start)
@@ -173,6 +174,12 @@ m8260_init_IRQ(void)
          * in case the boot rom changed something on us.
          */
         cpm2_immr->im_intctl.ic_siprr = 0x05309770;
+
+#if defined(CONFIG_PCI) && (defined(CONFIG_ADS8272) || defined(CONFIG_PQ2FADS))
+        /* Initialize stuff for the 82xx CPLD IC and install demux  */
+        pq2pci_init_irq();
+#endif
+
 }
 
 /*
diff --git a/arch/ppc/syslib/m82xx_pci.c b/arch/ppc/syslib/m82xx_pci.c
new file mode 100644
index 000000000000..5e7a7edcea74
--- /dev/null
+++ b/arch/ppc/syslib/m82xx_pci.c
@@ -0,0 +1,383 @@
+/*
+ *
+ * (C) Copyright 2003
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * (C) Copyright 2004 Red Hat, Inc.
+ *
+ * 2005 (c) MontaVista Software, Inc.
+ * Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/pci.h>
+#include <linux/slab.h>
+#include <linux/delay.h>
+#include <linux/irq.h>
+#include <linux/interrupt.h>
+
+#include <asm/byteorder.h>
+#include <asm/io.h>
+#include <asm/irq.h>
+#include <asm/uaccess.h>
+#include <asm/machdep.h>
+#include <asm/pci-bridge.h>
+#include <asm/immap_cpm2.h>
+#include <asm/mpc8260.h>
+#include <asm/cpm2.h>
+
+#include "m82xx_pci.h"
+
+/*
+ * Interrupt routing
+ */
+
+static inline int
+pq2pci_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
+{
+        static char pci_irq_table[][4] =
+        /*
+         *      PCI IDSEL/INTPIN->INTLINE
+         *        A      B      C      D
+         */
+        {
+                { PIRQA, PIRQB, PIRQC, PIRQD }, /* IDSEL 22 - PCI slot 0 */
+                { PIRQD, PIRQA, PIRQB, PIRQC }, /* IDSEL 23 - PCI slot 1 */
+                { PIRQC, PIRQD, PIRQA, PIRQB }, /* IDSEL 24 - PCI slot 2 */
+        };
+
+        const long min_idsel = 22, max_idsel = 24, irqs_per_slot = 4;
+        return PCI_IRQ_TABLE_LOOKUP;
+}
+
+static void
+pq2pci_mask_irq(unsigned int irq)
+{
+        int bit = irq - NR_CPM_INTS;
+
+        *(volatile unsigned long *) PCI_INT_MASK_REG |= (1 << (31 - bit));
+        return;
+}
+
+static void
+pq2pci_unmask_irq(unsigned int irq)
+{
+        int bit = irq - NR_CPM_INTS;
+
+        *(volatile unsigned long *) PCI_INT_MASK_REG &= ~(1 << (31 - bit));
+        return;
+}
+
+static void
+pq2pci_mask_and_ack(unsigned int irq)
+{
+        int bit = irq - NR_CPM_INTS;
+
+        *(volatile unsigned long *) PCI_INT_MASK_REG |= (1 << (31 - bit));
+        return;
+}
+
+static void
+pq2pci_end_irq(unsigned int irq)
+{
+        int bit = irq - NR_CPM_INTS;
+
+        *(volatile unsigned long *) PCI_INT_MASK_REG &= ~(1 << (31 - bit));
+        return;
+}
+
+struct hw_interrupt_type pq2pci_ic = {
+        "PQ2 PCI",
+        NULL,
+        NULL,
+        pq2pci_unmask_irq,
+        pq2pci_mask_irq,
+        pq2pci_mask_and_ack,
+        pq2pci_end_irq,
+        0
+};
+
+static irqreturn_t
+pq2pci_irq_demux(int irq, void *dev_id, struct pt_regs *regs)
+{
+        unsigned long stat, mask, pend;
+        int bit;
+
+        for(;;) {
+                stat = *(volatile unsigned long *) PCI_INT_STAT_REG;
+                mask = *(volatile unsigned long *) PCI_INT_MASK_REG;
+                pend = stat & ~mask & 0xf0000000;
+                if (!pend)
+                        break;
+                for (bit = 0; pend != 0; ++bit, pend <<= 1) {
+                        if (pend & 0x80000000)
+                                __do_IRQ(NR_CPM_INTS + bit, regs);
+                }
+        }
+
+        return IRQ_HANDLED;
+}
+
+static struct irqaction pq2pci_irqaction = {
+        .handler = pq2pci_irq_demux,
+        .flags   = SA_INTERRUPT,
+        .mask    = CPU_MASK_NONE,
+        .name    = "PQ2 PCI cascade",
+};
+
+
+void
+pq2pci_init_irq(void)
+{
+        int irq;
+        volatile cpm2_map_t *immap = cpm2_immr;
+#if defined CONFIG_ADS8272
+        /* configure chip select for PCI interrupt controller */
+        immap->im_memctl.memc_br3 = PCI_INT_STAT_REG | 0x00001801;
+        immap->im_memctl.memc_or3 = 0xffff8010;
+#elif defined CONFIG_PQ2FADS
+        immap->im_memctl.memc_br8 = PCI_INT_STAT_REG | 0x00001801;
+        immap->im_memctl.memc_or8 = 0xffff8010;
+#endif
+        for (irq = NR_CPM_INTS; irq < NR_CPM_INTS + 4; irq++)
+                irq_desc[irq].handler = &pq2pci_ic;
+
+        /* make PCI IRQ level sensitive */
+        immap->im_intctl.ic_siexr &=
+                ~(1 << (14 - (PCI_INT_TO_SIU - SIU_INT_IRQ1)));
+
+        /* mask all PCI interrupts */
+        *(volatile unsigned long *) PCI_INT_MASK_REG |= 0xfff00000;
+
+        /* install the demultiplexer for the PCI cascade interrupt */
+        setup_irq(PCI_INT_TO_SIU, &pq2pci_irqaction);
+        return;
+}
+
+static int
+pq2pci_exclude_device(u_char bus, u_char devfn)
+{
+        return PCIBIOS_SUCCESSFUL;
+}
+
+/* PCI bus configuration registers.
+ */
+static void
+pq2ads_setup_pci(struct pci_controller *hose)
+{
+        __u32 val;
+        volatile cpm2_map_t *immap = cpm2_immr;
+        bd_t* binfo = (bd_t*) __res;
+        u32 sccr = immap->im_clkrst.car_sccr;
+        uint pci_div,freq,time;
+                /* PCI int lowest prio */
+        /* Each 4 bits is a device bus request  and the MS 4bits
+         is highest priority */
+        /* Bus                4bit value
+           ---                ----------
+           CPM high             0b0000
+           CPM middle           0b0001
+           CPM low              0b0010
+           PCI reguest          0b0011
+           Reserved             0b0100
+           Reserved             0b0101
+           Internal Core        0b0110
+           External Master 1    0b0111
+           External Master 2    0b1000
+           External Master 3    0b1001
+           The rest are reserved
+         */
+        immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x61207893;
+        /* park bus on core */
+        immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_CORE;
+        /*
+         * Set up master windows that allow the CPU to access PCI space. These
+         * windows are set up using the two SIU PCIBR registers.
+         */
+
+        immap->im_memctl.memc_pcimsk0 = M82xx_PCI_PRIM_WND_SIZE;
+        immap->im_memctl.memc_pcibr0  = M82xx_PCI_PRIM_WND_BASE | PCIBR_ENABLE;
+
+#ifdef M82xx_PCI_SEC_WND_SIZE
+        immap->im_memctl.memc_pcimsk1 = M82xx_PCI_SEC_WND_SIZE;
+        immap->im_memctl.memc_pcibr1  = M82xx_PCI_SEC_WND_BASE | PCIBR_ENABLE;
+#endif
+
+#if defined CONFIG_ADS8272
+        immap->im_siu_conf.siu_82xx.sc_siumcr =
+                (immap->im_siu_conf.siu_82xx.sc_siumcr &
+                ~(SIUMCR_BBD | SIUMCR_ESE | SIUMCR_PBSE |
+                SIUMCR_CDIS | SIUMCR_DPPC11 | SIUMCR_L2CPC11 |
+                SIUMCR_LBPC11 | SIUMCR_APPC11 |
+                SIUMCR_CS10PC11 | SIUMCR_BCTLC11 | SIUMCR_MMR11)) |
+                SIUMCR_DPPC11 | SIUMCR_L2CPC01 | SIUMCR_LBPC00 |
+                SIUMCR_APPC10 | SIUMCR_CS10PC00 |
+                SIUMCR_BCTLC00 | SIUMCR_MMR11 ;
+
+#elif defined CONFIG_PQ2FADS
+        /*
+         * Setting required to enable IRQ1-IRQ7 (SIUMCR [DPPC]),
+         * and local bus for PCI (SIUMCR [LBPC]).
+         */
+        immap->im_siu_conf.siu_82xx.sc_siumcr = (immap->im_siu_conf.sc_siumcr &
+                                ~(SIUMCR_L2PC11 | SIUMCR_LBPC11 | SIUMCR_CS10PC11 | SIUMCR_APPC11) |
+                                SIUMCR_BBD | SIUMCR_LBPC01 | SIUMCR_DPPC11 | SIUMCR_APPC10;
+#endif
+        /* Enable PCI  */
+        immap->im_pci.pci_gcr = cpu_to_le32(PCIGCR_PCI_BUS_EN);
+
+        pci_div = ( (sccr & SCCR_PCI_MODCK) ? 2 : 1) *
+                        ( ( (sccr & SCCR_PCIDF_MSK) >> SCCR_PCIDF_SHIFT) + 1);
+        freq = (uint)((2*binfo->bi_cpmfreq)/(pci_div));
+        time = (int)666666/freq;
+        /* due to PCI Local Bus spec, some devices needs to wait such a long
+        time after RST  deassertion. More specifically, 0.508s for 66MHz & twice more for 33 */
+        printk("%s: The PCI bus is %d Mhz.\nWaiting %s after deasserting RST...\n",__FILE__,freq,
+        (time==1) ? "0.5 seconds":"1 second" );
+
+        {
+                int i;
+                for(i=0;i<(500*time);i++)
+                        udelay(1000);
+        }
+
+        /* setup ATU registers */
+        immap->im_pci.pci_pocmr0 = cpu_to_le32(POCMR_ENABLE | POCMR_PCI_IO |
+                                ((~(M82xx_PCI_IO_SIZE - 1U)) >> POTA_ADDR_SHIFT));
+        immap->im_pci.pci_potar0 = cpu_to_le32(M82xx_PCI_LOWER_IO >> POTA_ADDR_SHIFT);
+        immap->im_pci.pci_pobar0 = cpu_to_le32(M82xx_PCI_IO_BASE >> POTA_ADDR_SHIFT);
+
+        /* Set-up non-prefetchable window */
+        immap->im_pci.pci_pocmr1 = cpu_to_le32(POCMR_ENABLE | ((~(M82xx_PCI_MMIO_SIZE-1U)) >> POTA_ADDR_SHIFT));
+        immap->im_pci.pci_potar1 = cpu_to_le32(M82xx_PCI_LOWER_MMIO >> POTA_ADDR_SHIFT);
+        immap->im_pci.pci_pobar1 = cpu_to_le32((M82xx_PCI_LOWER_MMIO - M82xx_PCI_MMIO_OFFSET) >> POTA_ADDR_SHIFT);
+
+        /* Set-up prefetchable window */
+        immap->im_pci.pci_pocmr2 = cpu_to_le32(POCMR_ENABLE |POCMR_PREFETCH_EN |
+                (~(M82xx_PCI_MEM_SIZE-1U) >> POTA_ADDR_SHIFT));
+        immap->im_pci.pci_potar2 = cpu_to_le32(M82xx_PCI_LOWER_MEM >> POTA_ADDR_SHIFT);
+        immap->im_pci.pci_pobar2 = cpu_to_le32((M82xx_PCI_LOWER_MEM - M82xx_PCI_MEM_OFFSET) >> POTA_ADDR_SHIFT);
+
+        /* Inbound transactions from PCI memory space */
+        immap->im_pci.pci_picmr0 = cpu_to_le32(PICMR_ENABLE | PICMR_PREFETCH_EN |
+                                        ((~(M82xx_PCI_SLAVE_MEM_SIZE-1U)) >> PITA_ADDR_SHIFT));
+        immap->im_pci.pci_pibar0 = cpu_to_le32(M82xx_PCI_SLAVE_MEM_BUS  >> PITA_ADDR_SHIFT);
+        immap->im_pci.pci_pitar0 = cpu_to_le32(M82xx_PCI_SLAVE_MEM_LOCAL>> PITA_ADDR_SHIFT);
+
+#if defined CONFIG_ADS8272
+        /* PCI int highest prio */
+        immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x01236745;
+#elif defined CONFIG_PQ2FADS
+        immap->im_siu_conf.siu_82xx.sc_ppc_alrh = 0x03124567;
+#endif
+        /* park bus on PCI */
+        immap->im_siu_conf.siu_82xx.sc_ppc_acr = PPC_ACR_BUS_PARK_PCI;
+
+        /* Enable bus mastering and inbound memory transactions */
+        early_read_config_dword(hose, hose->first_busno, 0, PCI_COMMAND, &val);
+        val &= 0xffff0000;
+        val |= PCI_COMMAND_MEMORY|PCI_COMMAND_MASTER;
+        early_write_config_dword(hose, hose->first_busno, 0, PCI_COMMAND, val);
+
+}
+
+void __init pq2_find_bridges(void)
+{
+        extern int pci_assign_all_busses;
+        struct pci_controller * hose;
+        int host_bridge;
+
+        pci_assign_all_busses = 1;
+
+        hose = pcibios_alloc_controller();
+
+        if (!hose)
+                return;
+
+        ppc_md.pci_swizzle = common_swizzle;
+
+        hose->first_busno = 0;
+        hose->bus_offset = 0;
+        hose->last_busno = 0xff;
+
+#ifdef CONFIG_ADS8272
+        hose->set_cfg_type = 1;
+#endif
+
+        setup_m8260_indirect_pci(hose,
+                                 (unsigned long)&cpm2_immr->im_pci.pci_cfg_addr,
+                                 (unsigned long)&cpm2_immr->im_pci.pci_cfg_data);
+
+        /* Make sure it is a supported bridge */
+        early_read_config_dword(hose,
+                                0,
+                                PCI_DEVFN(0,0),
+                                PCI_VENDOR_ID,
+                                &host_bridge);
+        switch (host_bridge) {
+                case PCI_DEVICE_ID_MPC8265:
+                        break;
+                case PCI_DEVICE_ID_MPC8272:
+                        break;
+                default:
+                        printk("Attempting to use unrecognized host bridge ID"
+                                " 0x%08x.\n", host_bridge);
+                        break;
+        }
+
+        pq2ads_setup_pci(hose);
+
+        hose->io_space.start =  M82xx_PCI_LOWER_IO;
+        hose->io_space.end = M82xx_PCI_UPPER_IO;
+        hose->mem_space.start = M82xx_PCI_LOWER_MEM;
+        hose->mem_space.end = M82xx_PCI_UPPER_MMIO;
+        hose->pci_mem_offset = M82xx_PCI_MEM_OFFSET;
+
+        isa_io_base =
+        (unsigned long) ioremap(M82xx_PCI_IO_BASE,
+                                        M82xx_PCI_IO_SIZE);
+        hose->io_base_virt = (void *) isa_io_base;
+
+        /* setup resources */
+        pci_init_resource(&hose->mem_resources[0],
+                        M82xx_PCI_LOWER_MEM,
+                        M82xx_PCI_UPPER_MEM,
+                        IORESOURCE_MEM|IORESOURCE_PREFETCH, "PCI prefetchable memory");
+
+        pci_init_resource(&hose->mem_resources[1],
+                        M82xx_PCI_LOWER_MMIO,
+                        M82xx_PCI_UPPER_MMIO,
+                        IORESOURCE_MEM, "PCI memory");
+
+        pci_init_resource(&hose->io_resource,
+                        M82xx_PCI_LOWER_IO,
+                        M82xx_PCI_UPPER_IO,
+                        IORESOURCE_IO | 1, "PCI I/O");
+
+        ppc_md.pci_exclude_device = pq2pci_exclude_device;
+        hose->last_busno = pciauto_bus_scan(hose, hose->first_busno);
+
+        ppc_md.pci_map_irq = pq2pci_map_irq;
+        ppc_md.pcibios_fixup = NULL;
+        ppc_md.pcibios_fixup_bus = NULL;
+
+}
diff --git a/arch/ppc/syslib/m82xx_pci.h b/arch/ppc/syslib/m82xx_pci.h
new file mode 100644
index 000000000000..924f73f8e595
--- /dev/null
+++ b/arch/ppc/syslib/m82xx_pci.h
@@ -0,0 +1,92 @@
+
+#ifndef _PPC_KERNEL_M82XX_PCI_H
+#define _PPC_KERNEL_M82XX_PCI_H
+
+#include <asm/m8260_pci.h>
+/*
+ *   Local->PCI map (from CPU)                             controlled by
+ *   MPC826x master window
+ *
+ *   0xF6000000 - 0xF7FFFFFF    IO space
+ *   0x80000000 - 0xBFFFFFFF    CPU2PCI memory space       PCIBR0
+ *
+ *   0x80000000 - 0x9FFFFFFF    PCI Mem with prefetch      (Outbound ATU #1)
+ *   0xA0000000 - 0xBFFFFFFF    PCI Mem w/o  prefetch      (Outbound ATU #2)
+ *   0xF6000000 - 0xF7FFFFFF    32-bit PCI IO              (Outbound ATU #3)
+ *
+ *   PCI->Local map (from PCI)
+ *   MPC826x slave window                                  controlled by
+ *
+ *   0x00000000 - 0x07FFFFFF    MPC826x local memory       (Inbound ATU #1)
+ */
+
+/*
+ * Slave window that allows PCI masters to access MPC826x local memory.
+ * This window is set up using the first set of Inbound ATU registers
+ */
+
+#ifndef M82xx_PCI_SLAVE_MEM_LOCAL
+#define M82xx_PCI_SLAVE_MEM_LOCAL       (((struct bd_info *)__res)->bi_memstart)
+#define M82xx_PCI_SLAVE_MEM_BUS         (((struct bd_info *)__res)->bi_memstart)
+#define M82xx_PCI_SLAVE_MEM_SIZE        (((struct bd_info *)__res)->bi_memsize)
+#endif
+
+/*
+ * This is the window that allows the CPU to access PCI address space.
+ * It will be setup with the SIU PCIBR0 register. All three PCI master
+ * windows, which allow the CPU to access PCI prefetch, non prefetch,
+ * and IO space (see below), must all fit within this window.
+ */
+
+#ifndef M82xx_PCI_LOWER_MEM
+#define M82xx_PCI_LOWER_MEM             0x80000000
+#define M82xx_PCI_UPPER_MEM             0x9fffffff
+#define M82xx_PCI_MEM_OFFSET            0x00000000
+#define M82xx_PCI_MEM_SIZE              0x20000000
+#endif
+
+#ifndef M82xx_PCI_LOWER_MMIO
+#define M82xx_PCI_LOWER_MMIO            0xa0000000
+#define M82xx_PCI_UPPER_MMIO            0xafffffff
+#define M82xx_PCI_MMIO_OFFSET           0x00000000
+#define M82xx_PCI_MMIO_SIZE             0x20000000
+#endif
+
+#ifndef M82xx_PCI_LOWER_IO
+#define M82xx_PCI_LOWER_IO              0x00000000
+#define M82xx_PCI_UPPER_IO              0x01ffffff
+#define M82xx_PCI_IO_BASE               0xf6000000
+#define M82xx_PCI_IO_SIZE               0x02000000
+#endif
+
+#ifndef M82xx_PCI_PRIM_WND_SIZE
+#define M82xx_PCI_PRIM_WND_SIZE         ~(M82xx_PCI_IO_SIZE - 1U)
+#define M82xx_PCI_PRIM_WND_BASE         (M82xx_PCI_IO_BASE)
+#endif
+
+#ifndef M82xx_PCI_SEC_WND_SIZE
+#define M82xx_PCI_SEC_WND_SIZE          ~(M82xx_PCI_MEM_SIZE + M82xx_PCI_MMIO_SIZE - 1U)
+#define M82xx_PCI_SEC_WND_BASE          (M82xx_PCI_LOWER_MEM)
+#endif
+
+#ifndef POTA_ADDR_SHIFT
+#define POTA_ADDR_SHIFT         12
+#endif
+
+#ifndef PITA_ADDR_SHIFT
+#define PITA_ADDR_SHIFT         12
+#endif
+
+#ifndef _IO_BASE
+#define _IO_BASE isa_io_base
+#endif
+
+#ifdef CONFIG_8260_PCI9
+struct pci_controller;
+extern void setup_m8260_indirect_pci(struct pci_controller* hose,
+                                        u32 cfg_addr, u32 cfg_data);
+#else
+#define setup_m8260_indirect_pci setup_indirect_pci
+#endif
+
+#endif /* _PPC_KERNEL_M8260_PCI_H */
diff --git a/arch/ppc/syslib/open_pic.c b/arch/ppc/syslib/open_pic.c
index 9d4ed68b5804..000ba47c67cb 100644
--- a/arch/ppc/syslib/open_pic.c
+++ b/arch/ppc/syslib/open_pic.c
@@ -275,7 +275,7 @@ static void __init openpic_enable_sie(void)
 }
 #endif
 
-#if defined(CONFIG_EPIC_SERIAL_MODE) || defined(CONFIG_PM)
+#if defined(CONFIG_EPIC_SERIAL_MODE)
 static void openpic_reset(void)
 {
         openpic_setfield(&OpenPIC->Global.Global_Configuration0,
@@ -993,8 +993,6 @@ int openpic_resume(struct sys_device *sysdev)
                 return 0;
         }
 
-        openpic_reset();
-
         /* OpenPIC sometimes seem to need some time to be fully back up... */
         do {
                 openpic_set_spurious(OPENPIC_VEC_SPURIOUS);
diff --git a/arch/ppc/syslib/ppc83xx_setup.c b/arch/ppc/syslib/ppc83xx_setup.c
index c28f9d679484..843cf8873e60 100644
--- a/arch/ppc/syslib/ppc83xx_setup.c
+++ b/arch/ppc/syslib/ppc83xx_setup.c
@@ -29,6 +29,7 @@
 #include <asm/mmu.h>
 #include <asm/ppc_sys.h>
 #include <asm/kgdb.h>
+#include <asm/delay.h>
 
 #include <syslib/ppc83xx_setup.h>
 
@@ -117,7 +118,34 @@ mpc83xx_early_serial_map(void)
 void
 mpc83xx_restart(char *cmd)
 {
+        volatile unsigned char __iomem *reg;
+        unsigned char tmp;
+
+        reg = ioremap(BCSR_PHYS_ADDR, BCSR_SIZE);
+
         local_irq_disable();
+
+        /*
+         * Unlock the BCSR bits so a PRST will update the contents.
+         * Otherwise the reset asserts but doesn't clear.
+         */
+        tmp = in_8(reg + BCSR_MISC_REG3_OFF);
+        tmp |= BCSR_MISC_REG3_CNFLOCK; /* low true, high false */
+        out_8(reg + BCSR_MISC_REG3_OFF, tmp);
+
+        /*
+         * Trigger a reset via a low->high transition of the
+         * PORESET bit.
+         */
+        tmp = in_8(reg + BCSR_MISC_REG2_OFF);
+        tmp &= ~BCSR_MISC_REG2_PORESET;
+        out_8(reg + BCSR_MISC_REG2_OFF, tmp);
+
+        udelay(1);
+
+        tmp |= BCSR_MISC_REG2_PORESET;
+        out_8(reg + BCSR_MISC_REG2_OFF, tmp);
+
         for(;;);
 }
 
diff --git a/arch/ppc/syslib/ppc85xx_setup.c b/arch/ppc/syslib/ppc85xx_setup.c
index 152c3ef1312a..f3277f469e78 100644
--- a/arch/ppc/syslib/ppc85xx_setup.c
+++ b/arch/ppc/syslib/ppc85xx_setup.c
@@ -132,6 +132,12 @@ mpc85xx_halt(void)
 }
 
 #ifdef CONFIG_PCI
+
+#if defined(CONFIG_MPC8555_CDS)
+extern void mpc85xx_cds_enable_via(struct pci_controller *hose);
+extern void mpc85xx_cds_fixup_via(struct pci_controller *hose);
+#endif
+
 static void __init
 mpc85xx_setup_pci1(struct pci_controller *hose)
 {
@@ -302,8 +308,18 @@ mpc85xx_setup_hose(void)
 
         ppc_md.pci_exclude_device = mpc85xx_exclude_device;
 
+#if defined(CONFIG_MPC8555_CDS)
+        /* Pre pciauto_bus_scan VIA init */
+        mpc85xx_cds_enable_via(hose_a);
+#endif
+
         hose_a->last_busno = pciauto_bus_scan(hose_a, hose_a->first_busno);
 
+#if defined(CONFIG_MPC8555_CDS)
+        /* Post pciauto_bus_scan VIA fixup */
+        mpc85xx_cds_fixup_via(hose_a);
+#endif
+
 #ifdef CONFIG_85xx_PCI2
         hose_b = pcibios_alloc_controller();
 
diff --git a/arch/ppc/syslib/prom_init.c b/arch/ppc/syslib/prom_init.c
index 2cee87137f2e..7f15136830f4 100644
--- a/arch/ppc/syslib/prom_init.c
+++ b/arch/ppc/syslib/prom_init.c
@@ -626,8 +626,18 @@ inspect_node(phandle node, struct device_node *dad,
         l = call_prom("package-to-path", 3, 1, node,
                       mem_start, mem_end - mem_start);
         if (l >= 0) {
+                char *p, *ep;
+
                 np->full_name = PTRUNRELOC((char *) mem_start);
                 *(char *)(mem_start + l) = 0;
+                /* Fixup an Apple bug where they have bogus \0 chars in the
+                 * middle of the path in some properties
+                 */
+                for (p = (char *)mem_start, ep = p + l; p < ep; p++)
+                        if ((*p) == '\0') {
+                                memmove(p, p+1, ep - p);
+                                ep--;
+                        }
                 mem_start = ALIGNUL(mem_start + l + 1);
         }
 
diff --git a/arch/ppc64/boot/prom.c b/arch/ppc64/boot/prom.c
index 7b607d1862cb..d5218b15824e 100644
--- a/arch/ppc64/boot/prom.c
+++ b/arch/ppc64/boot/prom.c
@@ -11,6 +11,23 @@
 #include <linux/string.h>
 #include <linux/ctype.h>
 
+extern __u32 __div64_32(unsigned long long *dividend, __u32 divisor);
+
+/* The unnecessary pointer compare is there
+ * to check for type safety (n must be 64bit)
+ */
+# define do_div(n,base) ({                              \
+        __u32 __base = (base);                  \
+        __u32 __rem;                                    \
+        (void)(((typeof((n)) *)0) == ((unsigned long long *)0));        \
+        if (((n) >> 32) == 0) {                 \
+                __rem = (__u32)(n) % __base;            \
+                (n) = (__u32)(n) / __base;              \
+        } else                                          \
+                __rem = __div64_32(&(n), __base);       \
+        __rem;                                          \
+ })
+
 int (*prom)(void *);
 
 void *chosen_handle;
@@ -352,7 +369,7 @@ static int skip_atoi(const char **s)
 #define SPECIAL 32              /* 0x */
 #define LARGE   64              /* use 'ABCDEF' instead of 'abcdef' */
 
-static char * number(char * str, long num, int base, int size, int precision, int type)
+static char * number(char * str, unsigned long long num, int base, int size, int precision, int type)
 {
         char c,sign,tmp[66];
         const char *digits="0123456789abcdefghijklmnopqrstuvwxyz";
@@ -367,9 +384,9 @@ static char * number(char * str, long num, int base, int size, int precision, in
         c = (type & ZEROPAD) ? '0' : ' ';
         sign = 0;
         if (type & SIGN) {
-                if (num < 0) {
+                if ((signed long long)num < 0) {
                         sign = '-';
-                        num = -num;
+                        num = - (signed long long)num;
                         size--;
                 } else if (type & PLUS) {
                         sign = '+';
@@ -389,8 +406,7 @@ static char * number(char * str, long num, int base, int size, int precision, in
         if (num == 0)
                 tmp[i++]='0';
         else while (num != 0) {
-                tmp[i++] = digits[num % base];
-                num /= base;
+                tmp[i++] = digits[do_div(num, base)];
         }
         if (i > precision)
                 precision = i;
@@ -426,7 +442,7 @@ int sprintf(char * buf, const char *fmt, ...);
 int vsprintf(char *buf, const char *fmt, va_list args)
 {
         int len;
-        unsigned long num;
+        unsigned long long num;
         int i, base;
         char * str;
         const char *s;
diff --git a/arch/ppc64/configs/g5_defconfig b/arch/ppc64/configs/g5_defconfig
index 0f90df0b3f9c..1eb33398648e 100644
--- a/arch/ppc64/configs/g5_defconfig
+++ b/arch/ppc64/configs/g5_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11
-# Thu Mar 10 16:47:04 2005
+# Linux kernel version: 2.6.12-rc6
+# Tue Jun 14 16:59:20 2005
 #
 CONFIG_64BIT=y
 CONFIG_MMU=y
@@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y
 CONFIG_HAVE_DEC_LOCK=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_COMPAT=y
-CONFIG_FRAME_POINTER=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_FORCE_MAX_ZONEORDER=13
 
 #
@@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -31,19 +32,20 @@ CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
-CONFIG_LOG_BUF_SHIFT=17
 CONFIG_HOTPLUG=y
 CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+# CONFIG_CPUSETS is not set
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SHMEM=y
 CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
@@ -87,6 +89,8 @@ CONFIG_NR_CPUS=2
 # CONFIG_SCHED_SMT is not set
 # CONFIG_PREEMPT is not set
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
 
 #
 # General setup
@@ -97,6 +101,7 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
 CONFIG_PCI_LEGACY_PROC=y
 CONFIG_PCI_NAMES=y
+# CONFIG_PCI_DEBUG is not set
 # CONFIG_HOTPLUG_CPU is not set
 
 #
@@ -105,10 +110,6 @@ CONFIG_PCI_NAMES=y
 # CONFIG_PCCARD is not set
 
 #
-# PC-card bridges
-#
-
-#
 # PCI Hotplug Support
 #
 # CONFIG_HOTPLUG_PCI is not set
@@ -293,7 +294,6 @@ CONFIG_SCSI_SATA_SVW=y
 # CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_GDTH is not set
 # CONFIG_SCSI_IPS is not set
@@ -301,7 +301,6 @@ CONFIG_SCSI_SATA_SVW=y
 # CONFIG_SCSI_INIA100 is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_ISP is not set
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 CONFIG_SCSI_QLA2XXX=y
@@ -310,6 +309,7 @@ CONFIG_SCSI_QLA2XXX=y
 # CONFIG_SCSI_QLA2300 is not set
 # CONFIG_SCSI_QLA2322 is not set
 # CONFIG_SCSI_QLA6312 is not set
+# CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_DEBUG is not set
@@ -332,6 +332,7 @@ CONFIG_DM_CRYPT=m
 CONFIG_DM_SNAPSHOT=m
 CONFIG_DM_MIRROR=m
 CONFIG_DM_ZERO=m
+# CONFIG_DM_MULTIPATH is not set
 
 #
 # Fusion MPT device support
@@ -394,7 +395,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 CONFIG_NET_KEY=m
 CONFIG_INET=y
@@ -564,6 +564,8 @@ CONFIG_E1000=y
 # CONFIG_R8169 is not set
 # CONFIG_SK98LIN is not set
 CONFIG_TIGON3=m
+# CONFIG_BNX2 is not set
+# CONFIG_MV643XX_ETH is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -631,18 +633,6 @@ CONFIG_INPUT_EVDEV=y
 # CONFIG_INPUT_EVBUG is not set
 
 #
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-CONFIG_SERIO=y
-# CONFIG_SERIO_I8042 is not set
-# CONFIG_SERIO_SERPORT is not set
-# CONFIG_SERIO_CT82C710 is not set
-# CONFIG_SERIO_PCIPS2 is not set
-# CONFIG_SERIO_RAW is not set
-
-#
 # Input Device Drivers
 #
 CONFIG_INPUT_KEYBOARD=y
@@ -660,6 +650,16 @@ CONFIG_INPUT_MOUSE=y
 # CONFIG_INPUT_MISC is not set
 
 #
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+# CONFIG_SERIO_I8042 is not set
+# CONFIG_SERIO_SERPORT is not set
+# CONFIG_SERIO_PCIPS2 is not set
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
 # Character devices
 #
 CONFIG_VT=y
@@ -676,6 +676,7 @@ CONFIG_HW_CONSOLE=y
 # Non-8250 serial port support
 #
 # CONFIG_SERIAL_PMACZILOG is not set
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -698,9 +699,12 @@ CONFIG_LEGACY_PTY_COUNT=256
 #
 # Ftape, the floppy tape device driver
 #
+CONFIG_AGP=m
+CONFIG_AGP_UNINORTH=m
 # CONFIG_DRM is not set
 CONFIG_RAW_DRIVER=y
 CONFIG_MAX_RAW_DEVS=256
+# CONFIG_HANGCHECK_TIMER is not set
 
 #
 # TPM devices
@@ -730,12 +734,11 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_AMD8111 is not set
 # CONFIG_I2C_I801 is not set
 # CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
 CONFIG_I2C_KEYWEST=y
-# CONFIG_I2C_MPC is not set
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_PROSAVAGE is not set
 # CONFIG_I2C_SAVAGE4 is not set
 # CONFIG_SCx200_ACB is not set
@@ -772,6 +775,7 @@ CONFIG_I2C_KEYWEST=y
 # CONFIG_SENSORS_LM85 is not set
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
@@ -785,6 +789,7 @@ CONFIG_I2C_KEYWEST=y
 #
 # Other I2C Chip support
 #
+# CONFIG_SENSORS_DS1337 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCF8591 is not set
@@ -817,6 +822,11 @@ CONFIG_I2C_KEYWEST=y
 # Graphics support
 #
 CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+CONFIG_FB_SOFT_CURSOR=y
+CONFIG_FB_MACMODES=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_CIRRUS is not set
@@ -830,6 +840,7 @@ CONFIG_FB_OF=y
 # CONFIG_FB_ASILIANT is not set
 # CONFIG_FB_IMSTT is not set
 # CONFIG_FB_VGA16 is not set
+# CONFIG_FB_NVIDIA is not set
 CONFIG_FB_RIVA=y
 # CONFIG_FB_RIVA_I2C is not set
 # CONFIG_FB_RIVA_DEBUG is not set
@@ -847,6 +858,7 @@ CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
 # CONFIG_FB_TRIDENT is not set
+# CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
 #
@@ -880,6 +892,8 @@ CONFIG_LCD_DEVICE=y
 #
 # USB support
 #
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -890,8 +904,6 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_BANDWIDTH is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_OTG is not set
-CONFIG_USB_ARCH_HAS_HCD=y
-CONFIG_USB_ARCH_HAS_OHCI=y
 
 #
 # USB Host Controller Drivers
@@ -917,7 +929,6 @@ CONFIG_USB_PRINTER=y
 #
 CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
-CONFIG_USB_STORAGE_RW_DETECT=y
 CONFIG_USB_STORAGE_DATAFAB=y
 CONFIG_USB_STORAGE_FREECOM=y
 CONFIG_USB_STORAGE_ISD200=y
@@ -1004,8 +1015,10 @@ CONFIG_USB_MON=y
 #
 CONFIG_USB_SERIAL=m
 CONFIG_USB_SERIAL_GENERIC=y
+# CONFIG_USB_SERIAL_AIRPRIME is not set
 CONFIG_USB_SERIAL_BELKIN=m
 CONFIG_USB_SERIAL_DIGI_ACCELEPORT=m
+# CONFIG_USB_SERIAL_CP2101 is not set
 CONFIG_USB_SERIAL_CYPRESS_M8=m
 CONFIG_USB_SERIAL_EMPEG=m
 CONFIG_USB_SERIAL_FTDI_SIO=m
@@ -1034,6 +1047,7 @@ CONFIG_USB_SERIAL_KLSI=m
 CONFIG_USB_SERIAL_KOBIL_SCT=m
 CONFIG_USB_SERIAL_MCT_U232=m
 CONFIG_USB_SERIAL_PL2303=m
+# CONFIG_USB_SERIAL_HP4X is not set
 CONFIG_USB_SERIAL_SAFE=m
 CONFIG_USB_SERIAL_SAFE_PADDED=y
 CONFIG_USB_SERIAL_TI=m
@@ -1270,11 +1284,13 @@ CONFIG_OPROFILE=y
 #
 # Kernel hacking
 #
+# CONFIG_PRINTK_TIME is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
-# CONFIG_PRINTK_TIME is not set
+CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
diff --git a/arch/ppc64/configs/iSeries_defconfig b/arch/ppc64/configs/iSeries_defconfig
index a39e9d2e25da..f6a2b99afd63 100644
--- a/arch/ppc64/configs/iSeries_defconfig
+++ b/arch/ppc64/configs/iSeries_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11-rc3-bk6
-# Wed Feb  9 23:34:52 2005
+# Linux kernel version: 2.6.12-rc6
+# Tue Jun 14 17:01:28 2005
 #
 CONFIG_64BIT=y
 CONFIG_MMU=y
@@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y
 CONFIG_HAVE_DEC_LOCK=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_COMPAT=y
-CONFIG_FRAME_POINTER=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_FORCE_MAX_ZONEORDER=13
 
 #
@@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -30,24 +31,29 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
-CONFIG_LOG_BUF_SHIFT=17
+CONFIG_AUDIT=y
+CONFIG_AUDITSYSCALL=y
 CONFIG_HOTPLUG=y
 CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+# CONFIG_CPUSETS is not set
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SHMEM=y
 CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
 # CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
 
 #
 # Loadable module support
@@ -79,6 +85,8 @@ CONFIG_NR_CPUS=32
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_MSCHUNKS=y
 CONFIG_LPARCFG=y
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
 
 #
 # General setup
@@ -89,6 +97,7 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
 CONFIG_PCI_LEGACY_PROC=y
 CONFIG_PCI_NAMES=y
+# CONFIG_PCI_DEBUG is not set
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -96,10 +105,6 @@ CONFIG_PCI_NAMES=y
 # CONFIG_PCCARD is not set
 
 #
-# PC-card bridges
-#
-
-#
 # PCI Hotplug Support
 #
 # CONFIG_HOTPLUG_PCI is not set
@@ -210,7 +215,6 @@ CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_GDTH is not set
 # CONFIG_SCSI_IPS is not set
@@ -219,7 +223,6 @@ CONFIG_SCSI_IBMVSCSI=m
 # CONFIG_SCSI_INIA100 is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_ISP is not set
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 CONFIG_SCSI_QLA2XXX=y
@@ -228,6 +231,7 @@ CONFIG_SCSI_QLA2XXX=y
 # CONFIG_SCSI_QLA2300 is not set
 # CONFIG_SCSI_QLA2322 is not set
 # CONFIG_SCSI_QLA6312 is not set
+# CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_DEBUG is not set
@@ -250,6 +254,7 @@ CONFIG_DM_CRYPT=m
 CONFIG_DM_SNAPSHOT=m
 CONFIG_DM_MIRROR=m
 CONFIG_DM_ZERO=m
+# CONFIG_DM_MULTIPATH is not set
 
 #
 # Fusion MPT device support
@@ -280,7 +285,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 CONFIG_NET_KEY=m
 CONFIG_INET=y
@@ -445,7 +449,6 @@ CONFIG_PCNET32=y
 # CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 CONFIG_E100=y
-# CONFIG_E100_NAPI is not set
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
 # CONFIG_NE2K_PCI is not set
@@ -471,6 +474,7 @@ CONFIG_E1000=m
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 # CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -539,14 +543,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_EVBUG is not set
 
 #
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-# CONFIG_SERIO is not set
-# CONFIG_SERIO_I8042 is not set
-
-#
 # Input Device Drivers
 #
 # CONFIG_INPUT_KEYBOARD is not set
@@ -556,6 +552,12 @@ CONFIG_SOUND_GAMEPORT=y
 # CONFIG_INPUT_MISC is not set
 
 #
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
 # Character devices
 #
 # CONFIG_SERIAL_NONSTANDARD is not set
@@ -570,6 +572,7 @@ CONFIG_SOUND_GAMEPORT=y
 #
 CONFIG_SERIAL_CORE=m
 CONFIG_SERIAL_ICOM=m
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -592,9 +595,16 @@ CONFIG_LEGACY_PTY_COUNT=256
 #
 # Ftape, the floppy tape device driver
 #
+# CONFIG_AGP is not set
 # CONFIG_DRM is not set
 CONFIG_RAW_DRIVER=y
 CONFIG_MAX_RAW_DEVS=256
+# CONFIG_HANGCHECK_TIMER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
@@ -633,13 +643,9 @@ CONFIG_MAX_RAW_DEVS=256
 #
 # USB support
 #
-# CONFIG_USB is not set
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
-
-#
-# NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support' may also be needed; see USB_STORAGE Help for more information
-#
+# CONFIG_USB is not set
 
 #
 # USB Gadget Support
@@ -848,10 +854,13 @@ CONFIG_OPROFILE=y
 #
 # Kernel hacking
 #
+# CONFIG_PRINTK_TIME is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
@@ -881,6 +890,7 @@ CONFIG_CRYPTO_SHA1=m
 CONFIG_CRYPTO_SHA256=m
 CONFIG_CRYPTO_SHA512=m
 CONFIG_CRYPTO_WP512=m
+CONFIG_CRYPTO_TGR192=m
 CONFIG_CRYPTO_DES=y
 CONFIG_CRYPTO_BLOWFISH=m
 CONFIG_CRYPTO_TWOFISH=m
diff --git a/arch/ppc64/configs/maple_defconfig b/arch/ppc64/configs/maple_defconfig
index cf527501915c..8051b0f47b6f 100644
--- a/arch/ppc64/configs/maple_defconfig
+++ b/arch/ppc64/configs/maple_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11-rc3-bk6
-# Wed Feb  9 23:34:53 2005
+# Linux kernel version: 2.6.12-rc6
+# Tue Jun 14 17:12:48 2005
 #
 CONFIG_64BIT=y
 CONFIG_MMU=y
@@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y
 CONFIG_HAVE_DEC_LOCK=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_COMPAT=y
-CONFIG_FRAME_POINTER=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_FORCE_MAX_ZONEORDER=13
 
 #
@@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -30,24 +31,28 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
-CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_AUDIT is not set
 # CONFIG_HOTPLUG is not set
 CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+# CONFIG_CPUSETS is not set
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SHMEM=y
 CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
 # CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
 
 #
 # Loadable module support
@@ -84,6 +89,8 @@ CONFIG_NR_CPUS=2
 # CONFIG_SCHED_SMT is not set
 # CONFIG_PREEMPT is not set
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
 
 #
 # General setup
@@ -94,6 +101,7 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
 CONFIG_PCI_LEGACY_PROC=y
 CONFIG_PCI_NAMES=y
+# CONFIG_PCI_DEBUG is not set
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -101,10 +109,6 @@ CONFIG_PCI_NAMES=y
 # CONFIG_PCCARD is not set
 
 #
-# PC-card bridges
-#
-
-#
 # PCI Hotplug Support
 #
 # CONFIG_HOTPLUG_PCI is not set
@@ -261,7 +265,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 CONFIG_PACKET_MMAP=y
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -376,6 +379,8 @@ CONFIG_E1000=y
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 # CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
+# CONFIG_MV643XX_ETH is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -432,14 +437,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=1200
 # CONFIG_INPUT_EVBUG is not set
 
 #
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-# CONFIG_SERIO is not set
-# CONFIG_SERIO_I8042 is not set
-
-#
 # Input Device Drivers
 #
 # CONFIG_INPUT_KEYBOARD is not set
@@ -449,6 +446,12 @@ CONFIG_SOUND_GAMEPORT=y
 # CONFIG_INPUT_MISC is not set
 
 #
+# Hardware I/O ports
+#
+# CONFIG_SERIO is not set
+# CONFIG_GAMEPORT is not set
+
+#
 # Character devices
 #
 CONFIG_VT=y
@@ -469,7 +472,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
-# CONFIG_SERIAL_PMACZILOG is not set
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -492,8 +495,15 @@ CONFIG_LEGACY_PTY_COUNT=256
 #
 # Ftape, the floppy tape device driver
 #
+# CONFIG_AGP is not set
 # CONFIG_DRM is not set
 # CONFIG_RAW_DRIVER is not set
+# CONFIG_HANGCHECK_TIMER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
@@ -518,8 +528,8 @@ CONFIG_I2C_ALGOBIT=y
 CONFIG_I2C_AMD8111=y
 # CONFIG_I2C_I801 is not set
 # CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
-# CONFIG_I2C_MPC is not set
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
@@ -545,7 +555,9 @@ CONFIG_I2C_AMD8111=y
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_FSCHER is not set
+# CONFIG_SENSORS_FSCPOS is not set
 # CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
 # CONFIG_SENSORS_LM75 is not set
@@ -556,9 +568,11 @@ CONFIG_I2C_AMD8111=y
 # CONFIG_SENSORS_LM85 is not set
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_SIS5595 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
@@ -568,6 +582,7 @@ CONFIG_I2C_AMD8111=y
 #
 # Other I2C Chip support
 #
+# CONFIG_SENSORS_DS1337 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCF8591 is not set
@@ -615,6 +630,8 @@ CONFIG_DUMMY_CONSOLE=y
 #
 # USB support
 #
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -625,8 +642,6 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_BANDWIDTH is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_OTG is not set
-CONFIG_USB_ARCH_HAS_HCD=y
-CONFIG_USB_ARCH_HAS_OHCI=y
 
 #
 # USB Host Controller Drivers
@@ -635,6 +650,8 @@ CONFIG_USB_EHCI_HCD=y
 CONFIG_USB_EHCI_SPLIT_ISO=y
 CONFIG_USB_EHCI_ROOT_HUB_TT=y
 CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 CONFIG_USB_UHCI_HCD=y
 # CONFIG_USB_SL811_HCD is not set
 
@@ -688,6 +705,7 @@ CONFIG_USB_HIDINPUT=y
 CONFIG_USB_PEGASUS=y
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_USBNET is not set
+CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -699,8 +717,10 @@ CONFIG_USB_PEGASUS=y
 CONFIG_USB_SERIAL=y
 # CONFIG_USB_SERIAL_CONSOLE is not set
 CONFIG_USB_SERIAL_GENERIC=y
+# CONFIG_USB_SERIAL_AIRPRIME is not set
 # CONFIG_USB_SERIAL_BELKIN is not set
 # CONFIG_USB_SERIAL_DIGI_ACCELEPORT is not set
+# CONFIG_USB_SERIAL_CP2101 is not set
 CONFIG_USB_SERIAL_CYPRESS_M8=m
 # CONFIG_USB_SERIAL_EMPEG is not set
 # CONFIG_USB_SERIAL_FTDI_SIO is not set
@@ -729,6 +749,7 @@ CONFIG_USB_SERIAL_KEYSPAN_USA49WLC=y
 # CONFIG_USB_SERIAL_KOBIL_SCT is not set
 # CONFIG_USB_SERIAL_MCT_U232 is not set
 # CONFIG_USB_SERIAL_PL2303 is not set
+# CONFIG_USB_SERIAL_HP4X is not set
 # CONFIG_USB_SERIAL_SAFE is not set
 CONFIG_USB_SERIAL_TI=m
 # CONFIG_USB_SERIAL_CYBERJACK is not set
@@ -750,6 +771,7 @@ CONFIG_USB_EZUSB=y
 # CONFIG_USB_PHIDGETKIT is not set
 # CONFIG_USB_PHIDGETSERVO is not set
 # CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_TEST is not set
 
 #
@@ -936,10 +958,13 @@ CONFIG_NLS_UTF8=y
 #
 # Kernel hacking
 #
+# CONFIG_PRINTK_TIME is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_SCHEDSTATS is not set
 CONFIG_DEBUG_SLAB=y
+# CONFIG_DEBUG_SPINLOCK is not set
 CONFIG_DEBUG_SPINLOCK_SLEEP=y
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
@@ -971,6 +996,7 @@ CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
 # CONFIG_CRYPTO_WP512 is not set
+# CONFIG_CRYPTO_TGR192 is not set
 CONFIG_CRYPTO_DES=y
 # CONFIG_CRYPTO_BLOWFISH is not set
 # CONFIG_CRYPTO_TWOFISH is not set
diff --git a/arch/ppc64/configs/pSeries_defconfig b/arch/ppc64/configs/pSeries_defconfig
index 4fecf237d5c9..3eb5ef25d3a3 100644
--- a/arch/ppc64/configs/pSeries_defconfig
+++ b/arch/ppc64/configs/pSeries_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11-rc3-bk6
-# Wed Feb  9 23:34:54 2005
+# Linux kernel version: 2.6.12-rc6
+# Tue Jun 14 17:13:47 2005
 #
 CONFIG_64BIT=y
 CONFIG_MMU=y
@@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y
 CONFIG_HAVE_DEC_LOCK=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_COMPAT=y
-CONFIG_FRAME_POINTER=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_FORCE_MAX_ZONEORDER=13
 
 #
@@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -30,24 +31,29 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
-CONFIG_LOG_BUF_SHIFT=17
+CONFIG_AUDIT=y
+CONFIG_AUDITSYSCALL=y
 CONFIG_HOTPLUG=y
 CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+CONFIG_CPUSETS=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SHMEM=y
 CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
 # CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
 
 #
 # Loadable module support
@@ -89,9 +95,12 @@ CONFIG_SCHED_SMT=y
 CONFIG_EEH=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_PPC_RTAS=y
+CONFIG_RTAS_PROC=y
 CONFIG_RTAS_FLASH=m
 CONFIG_SCANLOG=m
 CONFIG_LPARCFG=y
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
 
 #
 # General setup
@@ -102,6 +111,7 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
 CONFIG_PCI_LEGACY_PROC=y
 CONFIG_PCI_NAMES=y
+# CONFIG_PCI_DEBUG is not set
 CONFIG_HOTPLUG_CPU=y
 
 #
@@ -110,10 +120,6 @@ CONFIG_HOTPLUG_CPU=y
 # CONFIG_PCCARD is not set
 
 #
-# PC-card bridges
-#
-
-#
 # PCI Hotplug Support
 #
 CONFIG_HOTPLUG_PCI=m
@@ -147,11 +153,10 @@ CONFIG_FW_LOADER=y
 #
 CONFIG_PARPORT=m
 CONFIG_PARPORT_PC=m
-CONFIG_PARPORT_PC_CML1=m
 # CONFIG_PARPORT_SERIAL is not set
 # CONFIG_PARPORT_PC_FIFO is not set
 # CONFIG_PARPORT_PC_SUPERIO is not set
-# CONFIG_PARPORT_OTHER is not set
+# CONFIG_PARPORT_GSC is not set
 # CONFIG_PARPORT_1284 is not set
 
 #
@@ -293,7 +298,6 @@ CONFIG_SCSI_ISCSI_ATTRS=m
 # CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_GDTH is not set
 # CONFIG_SCSI_IPS is not set
@@ -310,7 +314,6 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
 CONFIG_SCSI_IPR=y
 CONFIG_SCSI_IPR_TRACE=y
 CONFIG_SCSI_IPR_DUMP=y
-# CONFIG_SCSI_QLOGIC_ISP is not set
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 CONFIG_SCSI_QLA2XXX=y
@@ -319,6 +322,7 @@ CONFIG_SCSI_QLA22XX=m
 CONFIG_SCSI_QLA2300=m
 CONFIG_SCSI_QLA2322=m
 CONFIG_SCSI_QLA6312=m
+CONFIG_SCSI_LPFC=m
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
 # CONFIG_SCSI_DEBUG is not set
@@ -341,6 +345,8 @@ CONFIG_DM_CRYPT=m
 CONFIG_DM_SNAPSHOT=m
 CONFIG_DM_MIRROR=m
 CONFIG_DM_ZERO=m
+CONFIG_DM_MULTIPATH=m
+CONFIG_DM_MULTIPATH_EMC=m
 
 #
 # Fusion MPT device support
@@ -371,7 +377,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 CONFIG_NET_KEY=m
 CONFIG_INET=y
@@ -539,7 +544,6 @@ CONFIG_PCNET32=y
 # CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 CONFIG_E100=y
-# CONFIG_E100_NAPI is not set
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
 # CONFIG_NE2K_PCI is not set
@@ -565,6 +569,8 @@ CONFIG_E1000=y
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
+# CONFIG_BNX2 is not set
+# CONFIG_MV643XX_ETH is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -636,20 +642,6 @@ CONFIG_INPUT_MOUSEDEV_SCREEN_Y=768
 # CONFIG_INPUT_EVBUG is not set
 
 #
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-CONFIG_SERIO=y
-CONFIG_SERIO_I8042=y
-# CONFIG_SERIO_SERPORT is not set
-# CONFIG_SERIO_CT82C710 is not set
-# CONFIG_SERIO_PARKBD is not set
-# CONFIG_SERIO_PCIPS2 is not set
-CONFIG_SERIO_LIBPS2=y
-# CONFIG_SERIO_RAW is not set
-
-#
 # Input Device Drivers
 #
 CONFIG_INPUT_KEYBOARD=y
@@ -669,6 +661,18 @@ CONFIG_INPUT_PCSPKR=m
 # CONFIG_INPUT_UINPUT is not set
 
 #
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_I8042=y
+# CONFIG_SERIO_SERPORT is not set
+# CONFIG_SERIO_PARKBD is not set
+# CONFIG_SERIO_PCIPS2 is not set
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
 # Character devices
 #
 CONFIG_VT=y
@@ -689,8 +693,8 @@ CONFIG_SERIAL_8250_NR_UARTS=4
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
-# CONFIG_SERIAL_PMACZILOG is not set
 CONFIG_SERIAL_ICOM=m
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -718,9 +722,16 @@ CONFIG_HVCS=m
 #
 # Ftape, the floppy tape device driver
 #
+# CONFIG_AGP is not set
 # CONFIG_DRM is not set
 CONFIG_RAW_DRIVER=y
 CONFIG_MAX_RAW_DEVS=1024
+# CONFIG_HANGCHECK_TIMER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
@@ -745,8 +756,8 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_AMD8111 is not set
 # CONFIG_I2C_I801 is not set
 # CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
-# CONFIG_I2C_MPC is not set
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
@@ -773,7 +784,9 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_FSCHER is not set
+# CONFIG_SENSORS_FSCPOS is not set
 # CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
 # CONFIG_SENSORS_LM75 is not set
@@ -784,9 +797,11 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_SENSORS_LM85 is not set
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_SIS5595 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
@@ -796,6 +811,7 @@ CONFIG_I2C_ALGOBIT=y
 #
 # Other I2C Chip support
 #
+# CONFIG_SENSORS_DS1337 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCF8591 is not set
@@ -828,8 +844,13 @@ CONFIG_I2C_ALGOBIT=y
 # Graphics support
 #
 CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+CONFIG_FB_SOFT_CURSOR=y
+CONFIG_FB_MACMODES=y
 CONFIG_FB_MODE_HELPERS=y
-# CONFIG_FB_TILEBLITTING is not set
+CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_CIRRUS is not set
 # CONFIG_FB_PM2 is not set
 # CONFIG_FB_CYBER2000 is not set
@@ -838,6 +859,7 @@ CONFIG_FB_OF=y
 # CONFIG_FB_ASILIANT is not set
 # CONFIG_FB_IMSTT is not set
 # CONFIG_FB_VGA16 is not set
+# CONFIG_FB_NVIDIA is not set
 # CONFIG_FB_RIVA is not set
 CONFIG_FB_MATROX=y
 CONFIG_FB_MATROX_MILLENIUM=y
@@ -858,6 +880,7 @@ CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
 # CONFIG_FB_TRIDENT is not set
+# CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
 #
@@ -891,6 +914,8 @@ CONFIG_LCD_DEVICE=y
 #
 # USB support
 #
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -901,8 +926,6 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_BANDWIDTH is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_OTG is not set
-CONFIG_USB_ARCH_HAS_HCD=y
-CONFIG_USB_ARCH_HAS_OHCI=y
 
 #
 # USB Host Controller Drivers
@@ -911,6 +934,8 @@ CONFIG_USB_EHCI_HCD=y
 # CONFIG_USB_EHCI_SPLIT_ISO is not set
 # CONFIG_USB_EHCI_ROOT_HUB_TT is not set
 CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_UHCI_HCD is not set
 # CONFIG_USB_SL811_HCD is not set
 
@@ -926,12 +951,11 @@ CONFIG_USB_OHCI_HCD=y
 #
 CONFIG_USB_STORAGE=y
 # CONFIG_USB_STORAGE_DEBUG is not set
-# CONFIG_USB_STORAGE_RW_DETECT is not set
 # CONFIG_USB_STORAGE_DATAFAB is not set
 # CONFIG_USB_STORAGE_FREECOM is not set
 # CONFIG_USB_STORAGE_ISD200 is not set
 # CONFIG_USB_STORAGE_DPCM is not set
-# CONFIG_USB_STORAGE_HP8200e is not set
+# CONFIG_USB_STORAGE_USBAT is not set
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
@@ -975,6 +999,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_PEGASUS is not set
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_USBNET is not set
+CONFIG_USB_MON=y
 
 #
 # USB port drivers
@@ -1000,6 +1025,7 @@ CONFIG_USB_HIDDEV=y
 # CONFIG_USB_PHIDGETKIT is not set
 # CONFIG_USB_PHIDGETSERVO is not set
 # CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_TEST is not set
 
 #
@@ -1208,10 +1234,13 @@ CONFIG_OPROFILE=y
 #
 # Kernel hacking
 #
+# CONFIG_PRINTK_TIME is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
@@ -1243,6 +1272,7 @@ CONFIG_CRYPTO_SHA1=m
 CONFIG_CRYPTO_SHA256=m
 CONFIG_CRYPTO_SHA512=m
 CONFIG_CRYPTO_WP512=m
+CONFIG_CRYPTO_TGR192=m
 CONFIG_CRYPTO_DES=y
 CONFIG_CRYPTO_BLOWFISH=m
 CONFIG_CRYPTO_TWOFISH=m
diff --git a/arch/ppc64/defconfig b/arch/ppc64/defconfig
index 537b1cc82eab..2f31bf3046f9 100644
--- a/arch/ppc64/defconfig
+++ b/arch/ppc64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.11-rc3-bk6
-# Wed Feb  9 23:34:51 2005
+# Linux kernel version: 2.6.12-rc5-git9
+# Sun Jun  5 09:26:47 2005
 #
 CONFIG_64BIT=y
 CONFIG_MMU=y
@@ -11,7 +11,7 @@ CONFIG_GENERIC_ISA_DMA=y
 CONFIG_HAVE_DEC_LOCK=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_COMPAT=y
-CONFIG_FRAME_POINTER=y
+CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 CONFIG_FORCE_MAX_ZONEORDER=13
 
 #
@@ -20,6 +20,7 @@ CONFIG_FORCE_MAX_ZONEORDER=13
 CONFIG_EXPERIMENTAL=y
 CONFIG_CLEAN_COMPILE=y
 CONFIG_LOCK_KERNEL=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -30,24 +31,28 @@ CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
 # CONFIG_BSD_PROCESS_ACCT is not set
 CONFIG_SYSCTL=y
-CONFIG_LOG_BUF_SHIFT=17
+# CONFIG_AUDIT is not set
 CONFIG_HOTPLUG=y
 CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
+CONFIG_CPUSETS=y
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
+CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
-# CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
 CONFIG_SHMEM=y
 CONFIG_CC_ALIGN_FUNCTIONS=0
 CONFIG_CC_ALIGN_LABELS=0
 CONFIG_CC_ALIGN_LOOPS=0
 CONFIG_CC_ALIGN_JUMPS=0
 # CONFIG_TINY_SHMEM is not set
+CONFIG_BASE_SMALL=0
 
 #
 # Loadable module support
@@ -91,9 +96,12 @@ CONFIG_DISCONTIGMEM=y
 CONFIG_EEH=y
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_PPC_RTAS=y
+CONFIG_RTAS_PROC=y
 CONFIG_RTAS_FLASH=m
 CONFIG_SCANLOG=m
 CONFIG_LPARCFG=y
+CONFIG_SECCOMP=y
+CONFIG_ISA_DMA_API=y
 
 #
 # General setup
@@ -104,6 +112,7 @@ CONFIG_BINFMT_ELF=y
 CONFIG_BINFMT_MISC=m
 # CONFIG_PCI_LEGACY_PROC is not set
 # CONFIG_PCI_NAMES is not set
+# CONFIG_PCI_DEBUG is not set
 CONFIG_HOTPLUG_CPU=y
 
 #
@@ -112,10 +121,6 @@ CONFIG_HOTPLUG_CPU=y
 # CONFIG_PCCARD is not set
 
 #
-# PC-card bridges
-#
-
-#
 # PCI Hotplug Support
 #
 CONFIG_HOTPLUG_PCI=m
@@ -149,11 +154,10 @@ CONFIG_FW_LOADER=y
 #
 CONFIG_PARPORT=m
 CONFIG_PARPORT_PC=m
-CONFIG_PARPORT_PC_CML1=m
 # CONFIG_PARPORT_SERIAL is not set
 # CONFIG_PARPORT_PC_FIFO is not set
 # CONFIG_PARPORT_PC_SUPERIO is not set
-# CONFIG_PARPORT_OTHER is not set
+# CONFIG_PARPORT_GSC is not set
 # CONFIG_PARPORT_1284 is not set
 
 #
@@ -301,6 +305,7 @@ CONFIG_SCSI_SATA_SVW=y
 # CONFIG_SCSI_ATA_PIIX is not set
 # CONFIG_SCSI_SATA_NV is not set
 # CONFIG_SCSI_SATA_PROMISE is not set
+# CONFIG_SCSI_SATA_QSTOR is not set
 # CONFIG_SCSI_SATA_SX4 is not set
 # CONFIG_SCSI_SATA_SIL is not set
 # CONFIG_SCSI_SATA_SIS is not set
@@ -310,7 +315,6 @@ CONFIG_SCSI_SATA_SVW=y
 # CONFIG_SCSI_BUSLOGIC is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_GDTH is not set
 # CONFIG_SCSI_IPS is not set
@@ -327,7 +331,6 @@ CONFIG_SCSI_SYM53C8XX_MAX_TAGS=64
 CONFIG_SCSI_IPR=y
 CONFIG_SCSI_IPR_TRACE=y
 CONFIG_SCSI_IPR_DUMP=y
-# CONFIG_SCSI_QLOGIC_ISP is not set
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 CONFIG_SCSI_QLA2XXX=y
@@ -336,6 +339,7 @@ CONFIG_SCSI_QLA22XX=m
 CONFIG_SCSI_QLA2300=m
 CONFIG_SCSI_QLA2322=m
 CONFIG_SCSI_QLA6312=m
+CONFIG_SCSI_LPFC=m
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
 CONFIG_SCSI_DEBUG=m
@@ -358,6 +362,8 @@ CONFIG_DM_CRYPT=m
 CONFIG_DM_SNAPSHOT=m
 CONFIG_DM_MIRROR=m
 CONFIG_DM_ZERO=m
+CONFIG_DM_MULTIPATH=m
+CONFIG_DM_MULTIPATH_EMC=m
 
 #
 # Fusion MPT device support
@@ -405,6 +411,7 @@ CONFIG_IEEE1394_AMDTP=m
 #
 CONFIG_ADB=y
 CONFIG_ADB_PMU=y
+CONFIG_PMAC_SMU=y
 # CONFIG_PMAC_PBOOK is not set
 # CONFIG_PMAC_BACKLIGHT is not set
 # CONFIG_INPUT_ADBHID is not set
@@ -420,7 +427,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 CONFIG_NET_KEY=m
 CONFIG_INET=y
@@ -588,7 +594,6 @@ CONFIG_PCNET32=y
 # CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
 CONFIG_E100=y
-# CONFIG_E100_NAPI is not set
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
 # CONFIG_NE2K_PCI is not set
@@ -614,6 +619,8 @@ CONFIG_E1000=y
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
+# CONFIG_BNX2 is not set
+# CONFIG_MV643XX_ETH is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -683,20 +690,6 @@ CONFIG_INPUT_EVDEV=m
 # CONFIG_INPUT_EVBUG is not set
 
 #
-# Input I/O drivers
-#
-# CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
-CONFIG_SERIO=y
-CONFIG_SERIO_I8042=y
-# CONFIG_SERIO_SERPORT is not set
-# CONFIG_SERIO_CT82C710 is not set
-# CONFIG_SERIO_PARKBD is not set
-# CONFIG_SERIO_PCIPS2 is not set
-CONFIG_SERIO_LIBPS2=y
-# CONFIG_SERIO_RAW is not set
-
-#
 # Input Device Drivers
 #
 CONFIG_INPUT_KEYBOARD=y
@@ -716,6 +709,18 @@ CONFIG_INPUT_PCSPKR=m
 # CONFIG_INPUT_UINPUT is not set
 
 #
+# Hardware I/O ports
+#
+CONFIG_SERIO=y
+CONFIG_SERIO_I8042=y
+# CONFIG_SERIO_SERPORT is not set
+# CONFIG_SERIO_PARKBD is not set
+# CONFIG_SERIO_PCIPS2 is not set
+CONFIG_SERIO_LIBPS2=y
+# CONFIG_SERIO_RAW is not set
+# CONFIG_GAMEPORT is not set
+
+#
 # Character devices
 #
 CONFIG_VT=y
@@ -738,6 +743,7 @@ CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
 # CONFIG_SERIAL_PMACZILOG is not set
 CONFIG_SERIAL_ICOM=m
+CONFIG_SERIAL_JSM=m
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -766,9 +772,16 @@ CONFIG_HVCS=m
 #
 # Ftape, the floppy tape device driver
 #
+# CONFIG_AGP is not set
 # CONFIG_DRM is not set
 CONFIG_RAW_DRIVER=y
 CONFIG_MAX_RAW_DEVS=256
+# CONFIG_HANGCHECK_TIMER is not set
+
+#
+# TPM devices
+#
+# CONFIG_TCG_TPM is not set
 
 #
 # I2C support
@@ -793,9 +806,9 @@ CONFIG_I2C_ALGOBIT=y
 CONFIG_I2C_AMD8111=y
 # CONFIG_I2C_I801 is not set
 # CONFIG_I2C_I810 is not set
+# CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
 CONFIG_I2C_KEYWEST=y
-# CONFIG_I2C_MPC is not set
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
@@ -822,7 +835,9 @@ CONFIG_I2C_KEYWEST=y
 # CONFIG_SENSORS_ASB100 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_FSCHER is not set
+# CONFIG_SENSORS_FSCPOS is not set
 # CONFIG_SENSORS_GL518SM is not set
+# CONFIG_SENSORS_GL520SM is not set
 # CONFIG_SENSORS_IT87 is not set
 # CONFIG_SENSORS_LM63 is not set
 # CONFIG_SENSORS_LM75 is not set
@@ -833,9 +848,11 @@ CONFIG_I2C_KEYWEST=y
 # CONFIG_SENSORS_LM85 is not set
 # CONFIG_SENSORS_LM87 is not set
 # CONFIG_SENSORS_LM90 is not set
+# CONFIG_SENSORS_LM92 is not set
 # CONFIG_SENSORS_MAX1619 is not set
 # CONFIG_SENSORS_PC87360 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_SIS5595 is not set
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
@@ -845,6 +862,7 @@ CONFIG_I2C_KEYWEST=y
 #
 # Other I2C Chip support
 #
+# CONFIG_SENSORS_DS1337 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_SENSORS_PCF8591 is not set
@@ -877,6 +895,11 @@ CONFIG_I2C_KEYWEST=y
 # Graphics support
 #
 CONFIG_FB=y
+CONFIG_FB_CFB_FILLRECT=y
+CONFIG_FB_CFB_COPYAREA=y
+CONFIG_FB_CFB_IMAGEBLIT=y
+CONFIG_FB_SOFT_CURSOR=y
+CONFIG_FB_MACMODES=y
 CONFIG_FB_MODE_HELPERS=y
 CONFIG_FB_TILEBLITTING=y
 # CONFIG_FB_CIRRUS is not set
@@ -890,9 +913,8 @@ CONFIG_FB_OF=y
 # CONFIG_FB_ASILIANT is not set
 # CONFIG_FB_IMSTT is not set
 # CONFIG_FB_VGA16 is not set
-CONFIG_FB_RIVA=y
-CONFIG_FB_RIVA_I2C=y
-# CONFIG_FB_RIVA_DEBUG is not set
+# CONFIG_FB_NVIDIA is not set
+# CONFIG_FB_RIVA is not set
 CONFIG_FB_MATROX=y
 CONFIG_FB_MATROX_MILLENIUM=y
 CONFIG_FB_MATROX_MYSTIQUE=y
@@ -913,6 +935,7 @@ CONFIG_FB_RADEON_I2C=y
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
 # CONFIG_FB_TRIDENT is not set
+# CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
 #
@@ -946,6 +969,8 @@ CONFIG_LCD_DEVICE=y
 #
 # USB support
 #
+CONFIG_USB_ARCH_HAS_HCD=y
+CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -956,8 +981,6 @@ CONFIG_USB_DEVICEFS=y
 # CONFIG_USB_BANDWIDTH is not set
 # CONFIG_USB_DYNAMIC_MINORS is not set
 # CONFIG_USB_OTG is not set
-CONFIG_USB_ARCH_HAS_HCD=y
-CONFIG_USB_ARCH_HAS_OHCI=y
 
 #
 # USB Host Controller Drivers
@@ -966,6 +989,8 @@ CONFIG_USB_EHCI_HCD=y
 # CONFIG_USB_EHCI_SPLIT_ISO is not set
 # CONFIG_USB_EHCI_ROOT_HUB_TT is not set
 CONFIG_USB_OHCI_HCD=y
+# CONFIG_USB_OHCI_BIG_ENDIAN is not set
+CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 # CONFIG_USB_UHCI_HCD is not set
 # CONFIG_USB_SL811_HCD is not set
 
@@ -981,12 +1006,11 @@ CONFIG_USB_OHCI_HCD=y
 #
 CONFIG_USB_STORAGE=m
 # CONFIG_USB_STORAGE_DEBUG is not set
-CONFIG_USB_STORAGE_RW_DETECT=y
 # CONFIG_USB_STORAGE_DATAFAB is not set
 # CONFIG_USB_STORAGE_FREECOM is not set
 # CONFIG_USB_STORAGE_ISD200 is not set
 # CONFIG_USB_STORAGE_DPCM is not set
-# CONFIG_USB_STORAGE_HP8200e is not set
+# CONFIG_USB_STORAGE_USBAT is not set
 # CONFIG_USB_STORAGE_SDDR09 is not set
 # CONFIG_USB_STORAGE_SDDR55 is not set
 # CONFIG_USB_STORAGE_JUMPSHOT is not set
@@ -1030,6 +1054,7 @@ CONFIG_USB_HIDDEV=y
 CONFIG_USB_PEGASUS=y
 # CONFIG_USB_RTL8150 is not set
 # CONFIG_USB_USBNET is not set
+# CONFIG_USB_MON is not set
 
 #
 # USB port drivers
@@ -1055,6 +1080,7 @@ CONFIG_USB_PEGASUS=y
 # CONFIG_USB_PHIDGETKIT is not set
 # CONFIG_USB_PHIDGETSERVO is not set
 # CONFIG_USB_IDMOUSE is not set
+# CONFIG_USB_SISUSBVGA is not set
 # CONFIG_USB_TEST is not set
 
 #
@@ -1276,10 +1302,13 @@ CONFIG_OPROFILE=y
 #
 # Kernel hacking
 #
+# CONFIG_PRINTK_TIME is not set
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
+CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
 # CONFIG_DEBUG_INFO is not set
@@ -1311,6 +1340,7 @@ CONFIG_CRYPTO_SHA1=m
 CONFIG_CRYPTO_SHA256=m
 CONFIG_CRYPTO_SHA512=m
 CONFIG_CRYPTO_WP512=m
+CONFIG_CRYPTO_TGR192=m
 CONFIG_CRYPTO_DES=y
 CONFIG_CRYPTO_BLOWFISH=m
 CONFIG_CRYPTO_TWOFISH=m
diff --git a/arch/ppc64/kernel/entry.S b/arch/ppc64/kernel/entry.S
index d3604056e1a9..b61572eb2a71 100644
--- a/arch/ppc64/kernel/entry.S
+++ b/arch/ppc64/kernel/entry.S
@@ -436,15 +436,6 @@ END_FTR_SECTION_IFSET(CPU_FTR_ALTIVEC)
         REST_8GPRS(14, r1)
         REST_10GPRS(22, r1)
 
-#ifdef CONFIG_PPC_ISERIES
-        clrrdi  r7,r1,THREAD_SHIFT      /* get current_thread_info() */
-        ld      r7,TI_FLAGS(r7)         /* Get run light flag */
-        mfspr   r9,CTRLF
-        srdi    r7,r7,TIF_RUN_LIGHT
-        insrdi  r9,r7,1,63              /* Insert run light into CTRL */
-        mtspr   CTRLT,r9
-#endif
-
         /* convert old thread to its task_struct for return value */
         addi    r3,r3,-THREAD
         ld      r7,_NIP(r1)     /* Return to _switch caller in new task */
diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S
index 92a744c31ab1..346dbf606b5d 100644
--- a/arch/ppc64/kernel/head.S
+++ b/arch/ppc64/kernel/head.S
@@ -626,10 +626,10 @@ system_reset_iSeries:
         lhz     r24,PACAPACAINDEX(r13)  /* Get processor # */
         cmpwi   0,r24,0                 /* Are we processor 0? */
         beq     .__start_initialization_iSeries /* Start up the first processor */
-        mfspr   r4,CTRLF
-        li      r5,RUNLATCH             /* Turn off the run light */
+        mfspr   r4,SPRN_CTRLF
+        li      r5,CTRL_RUNLATCH        /* Turn off the run light */
         andc    r4,r4,r5
-        mtspr   CTRLT,r4
+        mtspr   SPRN_CTRLT,r4
 
 1:
         HMT_LOW
@@ -2082,9 +2082,9 @@ _GLOBAL(hmt_start_secondary)
         mfspr   r4, HID0
         ori     r4, r4, 0x1
         mtspr   HID0, r4
-        mfspr   r4, CTRLF
+        mfspr   r4, SPRN_CTRLF
         oris    r4, r4, 0x40
-        mtspr   CTRLT, r4
+        mtspr   SPRN_CTRLT, r4
         blr
 #endif
 
diff --git a/arch/ppc64/kernel/iSeries_setup.c b/arch/ppc64/kernel/iSeries_setup.c
index da20120f2261..6d06eb550a3f 100644
--- a/arch/ppc64/kernel/iSeries_setup.c
+++ b/arch/ppc64/kernel/iSeries_setup.c
@@ -852,6 +852,28 @@ static int __init iSeries_src_init(void)
 
 late_initcall(iSeries_src_init);
 
+static int set_spread_lpevents(char *str)
+{
+        unsigned long i;
+        unsigned long val = simple_strtoul(str, NULL, 0);
+
+        /*
+         * The parameter is the number of processors to share in processing
+         * lp events.
+         */
+        if (( val > 0) && (val <= NR_CPUS)) {
+                for (i = 1; i < val; ++i)
+                        paca[i].lpqueue_ptr = paca[0].lpqueue_ptr;
+
+                printk("lpevent processing spread over %ld processors\n", val);
+        } else {
+                printk("invalid spread_lpevents %ld\n", val);
+        }
+
+        return 1;
+}
+__setup("spread_lpevents=", set_spread_lpevents);
+
 void __init iSeries_early_setup(void)
 {
         iSeries_fixup_klimit();
diff --git a/arch/ppc64/kernel/idle.c b/arch/ppc64/kernel/idle.c
index 6abc621d3ba0..f24ce2b87200 100644
--- a/arch/ppc64/kernel/idle.c
+++ b/arch/ppc64/kernel/idle.c
@@ -75,13 +75,9 @@ static int iSeries_idle(void)
 {
         struct paca_struct *lpaca;
         long oldval;
-        unsigned long CTRL;
 
         /* ensure iSeries run light will be out when idle */
-        clear_thread_flag(TIF_RUN_LIGHT);
-        CTRL = mfspr(CTRLF);
-        CTRL &= ~RUNLATCH;
-        mtspr(CTRLT, CTRL);
+        ppc64_runlatch_off();
 
         lpaca = get_paca();
 
@@ -111,7 +107,9 @@ static int iSeries_idle(void)
                         }
                 }
 
+                ppc64_runlatch_on();
                 schedule();
+                ppc64_runlatch_off();
         }
 
         return 0;
diff --git a/arch/ppc64/kernel/kprobes.c b/arch/ppc64/kernel/kprobes.c
index 103daaf73573..e950a2058a19 100644
--- a/arch/ppc64/kernel/kprobes.c
+++ b/arch/ppc64/kernel/kprobes.c
@@ -45,12 +45,17 @@ static struct pt_regs jprobe_saved_regs;
 
 int arch_prepare_kprobe(struct kprobe *p)
 {
+        int ret = 0;
         kprobe_opcode_t insn = *p->addr;
 
-        if (IS_MTMSRD(insn) || IS_RFID(insn))
-                /* cannot put bp on RFID/MTMSRD */
-                return 1;
-        return 0;
+        if ((unsigned long)p->addr & 0x03) {
+                printk("Attempt to register kprobe at an unaligned address\n");
+                ret = -EINVAL;
+        } else if (IS_MTMSRD(insn) || IS_RFID(insn)) {
+                printk("Cannot register a kprobe on rfid or mtmsrd\n");
+                ret = -EINVAL;
+        }
+        return ret;
 }
 
 void arch_copy_kprobe(struct kprobe *p)
@@ -172,8 +177,6 @@ static void resume_execution(struct kprobe *p, struct pt_regs *regs)
         ret = emulate_step(regs, p->ainsn.insn[0]);
         if (ret == 0)
                 regs->nip = (unsigned long)p->addr + 4;
-
-        regs->msr &= ~MSR_SE;
 }
 
 static inline int post_kprobe_handler(struct pt_regs *regs)
@@ -210,6 +213,7 @@ static inline int kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 
         if (kprobe_status & KPROBE_HIT_SS) {
                 resume_execution(current_kprobe, regs);
+                regs->msr &= ~MSR_SE;
                 regs->msr |= kprobe_saved_msr;
 
                 unlock_kprobes();
@@ -233,8 +237,6 @@ int kprobe_exceptions_notify(struct notifier_block *self, unsigned long val,
          */
         preempt_disable();
         switch (val) {
-        case DIE_IABR_MATCH:
-        case DIE_DABR_MATCH:
         case DIE_BPT:
                 if (kprobe_handler(args->regs))
                         ret = NOTIFY_STOP;
diff --git a/arch/ppc64/kernel/mf.c b/arch/ppc64/kernel/mf.c
index 1bd52ece497c..5aca7e8005a8 100644
--- a/arch/ppc64/kernel/mf.c
+++ b/arch/ppc64/kernel/mf.c
@@ -1,7 +1,7 @@
 /*
   * mf.c
   * Copyright (C) 2001 Troy D. Armstrong  IBM Corporation
-  * Copyright (C) 2004 Stephen Rothwell  IBM Corporation
+  * Copyright (C) 2004-2005 Stephen Rothwell  IBM Corporation
   *
   * This modules exists as an interface between a Linux secondary partition
   * running on an iSeries and the primary partition's Virtual Service
@@ -36,10 +36,12 @@
 
 #include <asm/time.h>
 #include <asm/uaccess.h>
+#include <asm/paca.h>
 #include <asm/iSeries/vio.h>
 #include <asm/iSeries/mf.h>
 #include <asm/iSeries/HvLpConfig.h>
 #include <asm/iSeries/ItSpCommArea.h>
+#include <asm/iSeries/ItLpQueue.h>
 
 /*
  * This is the structure layout for the Machine Facilites LPAR event
@@ -696,36 +698,23 @@ static void get_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
         complete(&rtc->com);
 }
 
-int mf_get_rtc(struct rtc_time *tm)
+static int rtc_set_tm(int rc, u8 *ce_msg, struct rtc_time *tm)
 {
-        struct ce_msg_comp_data ce_complete;
-        struct rtc_time_data rtc_data;
-        int rc;
-
-        memset(&ce_complete, 0, sizeof(ce_complete));
-        memset(&rtc_data, 0, sizeof(rtc_data));
-        init_completion(&rtc_data.com);
-        ce_complete.handler = &get_rtc_time_complete;
-        ce_complete.token = &rtc_data;
-        rc = signal_ce_msg_simple(0x40, &ce_complete);
-        if (rc)
-                return rc;
-        wait_for_completion(&rtc_data.com);
         tm->tm_wday = 0;
         tm->tm_yday = 0;
         tm->tm_isdst = 0;
-        if (rtc_data.rc) {
+        if (rc) {
                 tm->tm_sec = 0;
                 tm->tm_min = 0;
                 tm->tm_hour = 0;
                 tm->tm_mday = 15;
                 tm->tm_mon = 5;
                 tm->tm_year = 52;
-                return rtc_data.rc;
+                return rc;
         }
 
-        if ((rtc_data.ce_msg.ce_msg[2] == 0xa9) ||
-            (rtc_data.ce_msg.ce_msg[2] == 0xaf)) {
+        if ((ce_msg[2] == 0xa9) ||
+            (ce_msg[2] == 0xaf)) {
                 /* TOD clock is not set */
                 tm->tm_sec = 1;
                 tm->tm_min = 1;
@@ -736,7 +725,6 @@ int mf_get_rtc(struct rtc_time *tm)
                 mf_set_rtc(tm);
         }
         {
-                u8 *ce_msg = rtc_data.ce_msg.ce_msg;
                 u8 year = ce_msg[5];
                 u8 sec = ce_msg[6];
                 u8 min = ce_msg[7];
@@ -765,6 +753,63 @@ int mf_get_rtc(struct rtc_time *tm)
         return 0;
 }
 
+int mf_get_rtc(struct rtc_time *tm)
+{
+        struct ce_msg_comp_data ce_complete;
+        struct rtc_time_data rtc_data;
+        int rc;
+
+        memset(&ce_complete, 0, sizeof(ce_complete));
+        memset(&rtc_data, 0, sizeof(rtc_data));
+        init_completion(&rtc_data.com);
+        ce_complete.handler = &get_rtc_time_complete;
+        ce_complete.token = &rtc_data;
+        rc = signal_ce_msg_simple(0x40, &ce_complete);
+        if (rc)
+                return rc;
+        wait_for_completion(&rtc_data.com);
+        return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
+}
+
+struct boot_rtc_time_data {
+        int busy;
+        struct ce_msg_data ce_msg;
+        int rc;
+};
+
+static void get_boot_rtc_time_complete(void *token, struct ce_msg_data *ce_msg)
+{
+        struct boot_rtc_time_data *rtc = token;
+
+        memcpy(&rtc->ce_msg, ce_msg, sizeof(rtc->ce_msg));
+        rtc->rc = 0;
+        rtc->busy = 0;
+}
+
+int mf_get_boot_rtc(struct rtc_time *tm)
+{
+        struct ce_msg_comp_data ce_complete;
+        struct boot_rtc_time_data rtc_data;
+        int rc;
+
+        memset(&ce_complete, 0, sizeof(ce_complete));
+        memset(&rtc_data, 0, sizeof(rtc_data));
+        rtc_data.busy = 1;
+        ce_complete.handler = &get_boot_rtc_time_complete;
+        ce_complete.token = &rtc_data;
+        rc = signal_ce_msg_simple(0x40, &ce_complete);
+        if (rc)
+                return rc;
+        /* We need to poll here as we are not yet taking interrupts */
+        while (rtc_data.busy) {
+                extern unsigned long lpevent_count;
+                struct ItLpQueue *lpq = get_paca()->lpqueue_ptr;
+                if (lpq && ItLpQueue_isLpIntPending(lpq))
+                        lpevent_count += ItLpQueue_process(lpq, NULL);
+        }
+        return rtc_set_tm(rtc_data.rc, rtc_data.ce_msg.ce_msg, tm);
+}
+
 int mf_set_rtc(struct rtc_time *tm)
 {
         char ce_time[12];
diff --git a/arch/ppc64/kernel/misc.S b/arch/ppc64/kernel/misc.S
index b944717c1dbd..e3c73b3425dc 100644
--- a/arch/ppc64/kernel/misc.S
+++ b/arch/ppc64/kernel/misc.S
@@ -792,7 +792,7 @@ _GLOBAL(sys_call_table32)
         .llong .compat_sys_newstat
         .llong .compat_sys_newlstat
         .llong .compat_sys_newfstat
-        .llong .sys_uname
+        .llong .sys32_uname
         .llong .sys_ni_syscall          /* 110 old iopl syscall */
         .llong .sys_vhangup
         .llong .sys_ni_syscall          /* old idle syscall */
diff --git a/arch/ppc64/kernel/pSeries_reconfig.c b/arch/ppc64/kernel/pSeries_reconfig.c
index cb5443f2e49b..dc2a69d412a2 100644
--- a/arch/ppc64/kernel/pSeries_reconfig.c
+++ b/arch/ppc64/kernel/pSeries_reconfig.c
@@ -47,14 +47,6 @@ static void remove_node_proc_entries(struct device_node *np)
                 remove_proc_entry(pp->name, np->pde);
                 pp = pp->next;
         }
-
-        /* Assuming that symlinks have the same parent directory as
-         * np->pde.
-         */
-        if (np->name_link)
-                remove_proc_entry(np->name_link->name, parent->pde);
-        if (np->addr_link)
-                remove_proc_entry(np->addr_link->name, parent->pde);
         if (np->pde)
                 remove_proc_entry(np->pde->name, parent->pde);
 }
diff --git a/arch/ppc64/kernel/pmac_smp.c b/arch/ppc64/kernel/pmac_smp.c
index c27588ede2fe..a23de37227bf 100644
--- a/arch/ppc64/kernel/pmac_smp.c
+++ b/arch/ppc64/kernel/pmac_smp.c
@@ -68,6 +68,7 @@ extern struct smp_ops_t *smp_ops;
 
 static void (*pmac_tb_freeze)(int freeze);
 static struct device_node *pmac_tb_clock_chip_host;
+static u8 pmac_tb_pulsar_addr;
 static DEFINE_SPINLOCK(timebase_lock);
 static unsigned long timebase;
 
@@ -106,12 +107,9 @@ static void smp_core99_pulsar_tb_freeze(int freeze)
         u8 data;
         int rc;
 
-        /* Strangely, the device-tree says address is 0xd2, but darwin
-         * accesses 0xd0 ...
-         */
         pmac_low_i2c_setmode(pmac_tb_clock_chip_host, pmac_low_i2c_mode_combined);
         rc = pmac_low_i2c_xfer(pmac_tb_clock_chip_host,
-                               0xd4 | pmac_low_i2c_read,
+                               pmac_tb_pulsar_addr | pmac_low_i2c_read,
                                0x2e, &data, 1);
         if (rc != 0)
                 goto bail;
@@ -120,7 +118,7 @@ static void smp_core99_pulsar_tb_freeze(int freeze)
 
         pmac_low_i2c_setmode(pmac_tb_clock_chip_host, pmac_low_i2c_mode_stdsub);
         rc = pmac_low_i2c_xfer(pmac_tb_clock_chip_host,
-                               0xd4 | pmac_low_i2c_write,
+                               pmac_tb_pulsar_addr | pmac_low_i2c_write,
                                0x2e, &data, 1);
  bail:
         if (rc != 0) {
@@ -185,6 +183,12 @@ static int __init smp_core99_probe(void)
         if (ncpus <= 1)
                 return 1;
 
+        /* HW sync only on these platforms */
+        if (!machine_is_compatible("PowerMac7,2") &&
+            !machine_is_compatible("PowerMac7,3") &&
+            !machine_is_compatible("RackMac3,1"))
+                goto nohwsync;
+
         /* Look for the clock chip */
         for (cc = NULL; (cc = of_find_node_by_name(cc, "i2c-hwclock")) != NULL;) {
                 struct device_node *p = of_get_parent(cc);
@@ -198,11 +202,18 @@ static int __init smp_core99_probe(void)
                         goto next;
                 switch (*reg) {
                 case 0xd2:
-                        pmac_tb_freeze = smp_core99_cypress_tb_freeze;
-                        printk(KERN_INFO "Timebase clock is Cypress chip\n");
+                        if (device_is_compatible(cc, "pulsar-legacy-slewing")) {
+                                pmac_tb_freeze = smp_core99_pulsar_tb_freeze;
+                                pmac_tb_pulsar_addr = 0xd2;
+                                printk(KERN_INFO "Timebase clock is Pulsar chip\n");
+                        } else if (device_is_compatible(cc, "cy28508")) {
+                                pmac_tb_freeze = smp_core99_cypress_tb_freeze;
+                                printk(KERN_INFO "Timebase clock is Cypress chip\n");
+                        }
                         break;
                 case 0xd4:
                         pmac_tb_freeze = smp_core99_pulsar_tb_freeze;
+                        pmac_tb_pulsar_addr = 0xd4;
                         printk(KERN_INFO "Timebase clock is Pulsar chip\n");
                         break;
                 }
@@ -210,12 +221,15 @@ static int __init smp_core99_probe(void)
                         pmac_tb_clock_chip_host = p;
                         smp_ops->give_timebase = smp_core99_give_timebase;
                         smp_ops->take_timebase = smp_core99_take_timebase;
+                        of_node_put(cc);
+                        of_node_put(p);
                         break;
                 }
         next:
                 of_node_put(p);
         }
 
+ nohwsync:
         mpic_request_ipis();
 
         return ncpus;
diff --git a/arch/ppc64/kernel/process.c b/arch/ppc64/kernel/process.c
index 8b0686122738..cdfecbeb331f 100644
--- a/arch/ppc64/kernel/process.c
+++ b/arch/ppc64/kernel/process.c
@@ -378,9 +378,6 @@ copy_thread(int nr, unsigned long clone_flags, unsigned long usp,
                 childregs->gpr[1] = sp + sizeof(struct pt_regs);
                 p->thread.regs = NULL;  /* no user register state */
                 clear_ti_thread_flag(p->thread_info, TIF_32BIT);
-#ifdef CONFIG_PPC_ISERIES
-                set_ti_thread_flag(p->thread_info, TIF_RUN_LIGHT);
-#endif
         } else {
                 childregs->gpr[1] = usp;
                 p->thread.regs = childregs;
diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c
index 35ec42de962e..b7683abfbe6a 100644
--- a/arch/ppc64/kernel/prom_init.c
+++ b/arch/ppc64/kernel/prom_init.c
@@ -211,13 +211,23 @@ struct {
  */
 #define ADDR(x)         (u32) ((unsigned long)(x) - offset)
 
+/*
+ * Error results ... some OF calls will return "-1" on error, some
+ * will return 0, some will return either. To simplify, here are
+ * macros to use with any ihandle or phandle return value to check if
+ * it is valid
+ */
+
+#define PROM_ERROR              (-1u)
+#define PHANDLE_VALID(p)        ((p) != 0 && (p) != PROM_ERROR)
+#define IHANDLE_VALID(i)        ((i) != 0 && (i) != PROM_ERROR)
+
+
 /* This is the one and *ONLY* place where we actually call open
  * firmware from, since we need to make sure we're running in 32b
  * mode when we do.  We switch back to 64b mode upon return.
  */
 
-#define PROM_ERROR      (-1)
-
 static int __init call_prom(const char *service, int nargs, int nret, ...)
 {
         int i;
@@ -587,14 +597,13 @@ static void __init prom_send_capabilities(void)
 {
         unsigned long offset = reloc_offset();
         ihandle elfloader;
-        int ret;
 
         elfloader = call_prom("open", 1, 1, ADDR("/packages/elf-loader"));
         if (elfloader == 0) {
                 prom_printf("couldn't open /packages/elf-loader\n");
                 return;
         }
-        ret = call_prom("call-method", 3, 1, ADDR("process-elf-header"),
+        call_prom("call-method", 3, 1, ADDR("process-elf-header"),
                         elfloader, ADDR(&fake_elf));
         call_prom("close", 1, 0, elfloader);
 }
@@ -646,7 +655,7 @@ static unsigned long __init alloc_up(unsigned long size, unsigned long align)
             base = _ALIGN_UP(base + 0x100000, align)) {
                 prom_debug("    trying: 0x%x\n\r", base);
                 addr = (unsigned long)prom_claim(base, size, 0);
-                if ((int)addr != PROM_ERROR)
+                if (addr != PROM_ERROR)
                         break;
                 addr = 0;
                 if (align == 0)
@@ -708,7 +717,7 @@ static unsigned long __init alloc_down(unsigned long size, unsigned long align,
         for(; base > RELOC(alloc_bottom); base = _ALIGN_DOWN(base - 0x100000, align))  {
                 prom_debug("    trying: 0x%x\n\r", base);
                 addr = (unsigned long)prom_claim(base, size, 0);
-                if ((int)addr != PROM_ERROR)
+                if (addr != PROM_ERROR)
                         break;
                 addr = 0;
         }
@@ -902,18 +911,19 @@ static void __init prom_instantiate_rtas(void)
 {
         unsigned long offset = reloc_offset();
         struct prom_t *_prom = PTRRELOC(&prom);
-        phandle prom_rtas, rtas_node;
+        phandle rtas_node;
+        ihandle rtas_inst;
         u32 base, entry = 0;
         u32 size = 0;
 
         prom_debug("prom_instantiate_rtas: start...\n");
 
-        prom_rtas = call_prom("finddevice", 1, 1, ADDR("/rtas"));
-        prom_debug("prom_rtas: %x\n", prom_rtas);
-        if (prom_rtas == (phandle) -1)
+        rtas_node = call_prom("finddevice", 1, 1, ADDR("/rtas"));
+        prom_debug("rtas_node: %x\n", rtas_node);
+        if (!PHANDLE_VALID(rtas_node))
                 return;
 
-        prom_getprop(prom_rtas, "rtas-size", &size, sizeof(size));
+        prom_getprop(rtas_node, "rtas-size", &size, sizeof(size));
         if (size == 0)
                 return;
 
@@ -922,14 +932,18 @@ static void __init prom_instantiate_rtas(void)
                 prom_printf("RTAS allocation failed !\n");
                 return;
         }
-        prom_printf("instantiating rtas at 0x%x", base);
 
-        rtas_node = call_prom("open", 1, 1, ADDR("/rtas"));
-        prom_printf("...");
+        rtas_inst = call_prom("open", 1, 1, ADDR("/rtas"));
+        if (!IHANDLE_VALID(rtas_inst)) {
+                prom_printf("opening rtas package failed");
+                return;
+        }
+
+        prom_printf("instantiating rtas at 0x%x ...", base);
 
         if (call_prom("call-method", 3, 2,
                       ADDR("instantiate-rtas"),
-                      rtas_node, base) != PROM_ERROR) {
+                      rtas_inst, base) != PROM_ERROR) {
                 entry = (long)_prom->args.rets[1];
         }
         if (entry == 0) {
@@ -940,8 +954,8 @@ static void __init prom_instantiate_rtas(void)
 
         reserve_mem(base, size);
 
-        prom_setprop(prom_rtas, "linux,rtas-base", &base, sizeof(base));
-        prom_setprop(prom_rtas, "linux,rtas-entry", &entry, sizeof(entry));
+        prom_setprop(rtas_node, "linux,rtas-base", &base, sizeof(base));
+        prom_setprop(rtas_node, "linux,rtas-entry", &entry, sizeof(entry));
 
         prom_debug("rtas base     = 0x%x\n", base);
         prom_debug("rtas entry    = 0x%x\n", entry);
@@ -1062,7 +1076,7 @@ static void __init prom_initialize_tce_table(void)
 
                 prom_printf("opening PHB %s", path);
                 phb_node = call_prom("open", 1, 1, path);
-                if ( (long)phb_node <= 0)
+                if (phb_node == 0)
                         prom_printf("... failed\n");
                 else
                         prom_printf("... done\n");
@@ -1279,12 +1293,12 @@ static void __init prom_init_client_services(unsigned long pp)
 
         /* get a handle for the stdout device */
         _prom->chosen = call_prom("finddevice", 1, 1, ADDR("/chosen"));
-        if ((long)_prom->chosen <= 0)
+        if (!PHANDLE_VALID(_prom->chosen))
                 prom_panic("cannot find chosen"); /* msg won't be printed :( */
 
         /* get device tree root */
         _prom->root = call_prom("finddevice", 1, 1, ADDR("/"));
-        if ((long)_prom->root <= 0)
+        if (!PHANDLE_VALID(_prom->root))
                 prom_panic("cannot find device tree root"); /* msg won't be printed :( */
 }
 
@@ -1356,9 +1370,8 @@ static int __init prom_find_machine_type(void)
         }
         /* Default to pSeries. We need to know if we are running LPAR */
         rtas = call_prom("finddevice", 1, 1, ADDR("/rtas"));
-        if (rtas != (phandle) -1) {
-                unsigned long x;
-                x = prom_getproplen(rtas, "ibm,hypertas-functions");
+        if (PHANDLE_VALID(rtas)) {
+                int x = prom_getproplen(rtas, "ibm,hypertas-functions");
                 if (x != PROM_ERROR) {
                         prom_printf("Hypertas detected, assuming LPAR !\n");
                         return PLATFORM_PSERIES_LPAR;
@@ -1426,12 +1439,13 @@ static void __init prom_check_displays(void)
                  * leave some room at the end of the path for appending extra
                  * arguments
                  */
-                if (call_prom("package-to-path", 3, 1, node, path, PROM_SCRATCH_SIZE-10) < 0)
+                if (call_prom("package-to-path", 3, 1, node, path,
+                              PROM_SCRATCH_SIZE-10) == PROM_ERROR)
                         continue;
                 prom_printf("found display   : %s, opening ... ", path);
                 
                 ih = call_prom("open", 1, 1, path);
-                if (ih == (ihandle)0 || ih == (ihandle)-1) {
+                if (ih == 0) {
                         prom_printf("failed\n");
                         continue;
                 }
@@ -1514,6 +1528,12 @@ static unsigned long __init dt_find_string(char *str)
         return 0;
 }
 
+/*
+ * The Open Firmware 1275 specification states properties must be 31 bytes or
+ * less, however not all firmwares obey this. Make it 64 bytes to be safe.
+ */
+#define MAX_PROPERTY_NAME 64
+
 static void __init scan_dt_build_strings(phandle node, unsigned long *mem_start,
                                          unsigned long *mem_end)
 {
@@ -1527,10 +1547,12 @@ static void __init scan_dt_build_strings(phandle node, unsigned long *mem_start,
         /* get and store all property names */
         prev_name = RELOC("");
         for (;;) {
-                
-                /* 32 is max len of name including nul. */
-                namep = make_room(mem_start, mem_end, 32, 1);
-                if (call_prom("nextprop", 3, 1, node, prev_name, namep) <= 0) {
+                int rc;
+
+                /* 64 is max len of name including nul. */
+                namep = make_room(mem_start, mem_end, MAX_PROPERTY_NAME, 1);
+                rc = call_prom("nextprop", 3, 1, node, prev_name, namep);
+                if (rc != 1) {
                         /* No more nodes: unwind alloc */
                         *mem_start = (unsigned long)namep;
                         break;
@@ -1555,18 +1577,12 @@ static void __init scan_dt_build_strings(phandle node, unsigned long *mem_start,
         }
 }
 
-/*
- * The Open Firmware 1275 specification states properties must be 31 bytes or
- * less, however not all firmwares obey this. Make it 64 bytes to be safe.
- */
-#define MAX_PROPERTY_NAME 64
-
 static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
                                         unsigned long *mem_end)
 {
         int l, align;
         phandle child;
-        char *namep, *prev_name, *sstart;
+        char *namep, *prev_name, *sstart, *p, *ep;
         unsigned long soff;
         unsigned char *valp;
         unsigned long offset = reloc_offset();
@@ -1588,6 +1604,14 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
                         call_prom("package-to-path", 3, 1, node, namep, l);
                 }
                 namep[l] = '\0';
+                /* Fixup an Apple bug where they have bogus \0 chars in the
+                 * middle of the path in some properties
+                 */
+                for (p = namep, ep = namep + l; p < ep; p++)
+                        if (*p == '\0') {
+                                memmove(p, p+1, ep - p);
+                                ep--; l--;
+                        }
                 *mem_start = _ALIGN(((unsigned long) namep) + strlen(namep) + 1, 4);
         }
 
@@ -1599,7 +1623,10 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
         prev_name = RELOC("");
         sstart = (char *)RELOC(dt_string_start);
         for (;;) {
-                if (call_prom("nextprop", 3, 1, node, prev_name, pname) <= 0)
+                int rc;
+
+                rc = call_prom("nextprop", 3, 1, node, prev_name, pname);
+                if (rc != 1)
                         break;
 
                 /* find string offset */
@@ -1615,7 +1642,7 @@ static void __init scan_dt_build_struct(phandle node, unsigned long *mem_start,
                 l = call_prom("getproplen", 2, 1, node, pname);
 
                 /* sanity checks */
-                if (l < 0)
+                if (l == PROM_ERROR)
                         continue;
                 if (l > MAX_PROPERTY_LENGTH) {
                         prom_printf("WARNING: ignoring large property ");
@@ -1750,7 +1777,45 @@ static void __init flatten_device_tree(void)
         prom_printf("Device tree struct  0x%x -> 0x%x\n",
                     RELOC(dt_struct_start), RELOC(dt_struct_end));
 
- }
+}
+
+
+static void __init fixup_device_tree(void)
+{
+        unsigned long offset = reloc_offset();
+        phandle u3, i2c, mpic;
+        u32 u3_rev;
+        u32 interrupts[2];
+        u32 parent;
+
+        /* Some G5s have a missing interrupt definition, fix it up here */
+        u3 = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000"));
+        if (!PHANDLE_VALID(u3))
+                return;
+        i2c = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000/i2c@f8001000"));
+        if (!PHANDLE_VALID(i2c))
+                return;
+        mpic = call_prom("finddevice", 1, 1, ADDR("/u3@0,f8000000/mpic@f8040000"));
+        if (!PHANDLE_VALID(mpic))
+                return;
+
+        /* check if proper rev of u3 */
+        if (prom_getprop(u3, "device-rev", &u3_rev, sizeof(u3_rev))
+            == PROM_ERROR)
+                return;
+        if (u3_rev != 0x35)
+                return;
+        /* does it need fixup ? */
+        if (prom_getproplen(i2c, "interrupts") > 0)
+                return;
+        /* interrupt on this revision of u3 is number 0 and level */
+        interrupts[0] = 0;
+        interrupts[1] = 1;
+        prom_setprop(i2c, "interrupts", &interrupts, sizeof(interrupts));
+        parent = (u32)mpic;
+        prom_setprop(i2c, "interrupt-parent", &parent, sizeof(parent));
+}
+
 
 static void __init prom_find_boot_cpu(void)
 {
@@ -1844,6 +1909,12 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, unsigned long
                      &getprop_rval, sizeof(getprop_rval));
 
         /*
+         * On pSeries, inform the firmware about our capabilities
+         */
+        if (RELOC(of_platform) & PLATFORM_PSERIES)
+                prom_send_capabilities();
+
+        /*
          * On pSeries, copy the CPU hold code
          */
         if (RELOC(of_platform) & PLATFORM_PSERIES)
@@ -1920,6 +1991,11 @@ unsigned long __init prom_init(unsigned long r3, unsigned long r4, unsigned long
         }
 
         /*
+         * Fixup any known bugs in the device-tree
+         */
+        fixup_device_tree();
+
+        /*
          * Now finally create the flattened device-tree
          */
         prom_printf("copying OF device tree ...\n");
diff --git a/arch/ppc64/kernel/rtc.c b/arch/ppc64/kernel/rtc.c
index 3e70b91375fc..67989055a9fe 100644
--- a/arch/ppc64/kernel/rtc.c
+++ b/arch/ppc64/kernel/rtc.c
@@ -292,47 +292,10 @@ int iSeries_set_rtc_time(struct rtc_time *tm)
 
 void iSeries_get_boot_time(struct rtc_time *tm)
 {
-        unsigned long time;
-        static unsigned long lastsec = 1;
-
-        u32 dataWord1 = *((u32 *)(&xSpCommArea.xBcdTimeAtIplStart));
-        u32 dataWord2 = *(((u32 *)&(xSpCommArea.xBcdTimeAtIplStart)) + 1);
-        int year = 1970;
-        int year1 = ( dataWord1 >> 24 ) & 0x000000FF;
-        int year2 = ( dataWord1 >> 16 ) & 0x000000FF;
-        int sec = ( dataWord1 >> 8 ) & 0x000000FF;
-        int min = dataWord1 & 0x000000FF;
-        int hour = ( dataWord2 >> 24 ) & 0x000000FF;
-        int day = ( dataWord2 >> 8 ) & 0x000000FF;
-        int mon = dataWord2 & 0x000000FF;
-
         if ( piranha_simulator )
                 return;
 
-        BCD_TO_BIN(sec);
-        BCD_TO_BIN(min);
-        BCD_TO_BIN(hour);
-        BCD_TO_BIN(day);
-        BCD_TO_BIN(mon);
-        BCD_TO_BIN(year1);
-        BCD_TO_BIN(year2);
-        year = year1 * 100 + year2;
-
-        time = mktime(year, mon, day, hour, min, sec);
-        time += ( jiffies / HZ );
-
-        /* Now THIS is a nasty hack!
-        * It ensures that the first two calls get different answers.  
-        * That way the loop in init_time (time.c) will not think
-        * the clock is stuck.
-        */
-        if ( lastsec ) {
-                time -= lastsec;
-                --lastsec;
-        }
-
-        to_tm(time, tm); 
-        tm->tm_year -= 1900;
+        mf_get_boot_rtc(tm);
         tm->tm_mon  -= 1;
 }
 #endif
diff --git a/arch/ppc64/kernel/setup.c b/arch/ppc64/kernel/setup.c
index 21c57f539c29..dce198d39328 100644
--- a/arch/ppc64/kernel/setup.c
+++ b/arch/ppc64/kernel/setup.c
@@ -103,11 +103,6 @@ extern void unflatten_device_tree(void);
 
 extern void smp_release_cpus(void);
 
-unsigned long decr_overclock = 1;
-unsigned long decr_overclock_proc0 = 1;
-unsigned long decr_overclock_set = 0;
-unsigned long decr_overclock_proc0_set = 0;
-
 int have_of = 1;
 int boot_cpuid = 0;
 int boot_cpuid_phys = 0;
@@ -1120,64 +1115,15 @@ void ppc64_dump_msg(unsigned int src, const char *msg)
         printk("[dump]%04x %s\n", src, msg);
 }
 
-int set_spread_lpevents( char * str )
-{
-        /* The parameter is the number of processors to share in processing lp events */
-        unsigned long i;
-        unsigned long val = simple_strtoul( str, NULL, 0 );
-        if ( ( val > 0 ) && ( val <= NR_CPUS ) ) {
-                for ( i=1; i<val; ++i )
-                        paca[i].lpqueue_ptr = paca[0].lpqueue_ptr;
-                printk("lpevent processing spread over %ld processors\n", val);
-        }
-        else
-                printk("invalid spreaqd_lpevents %ld\n", val);
-        return 1;
-}       
-
 /* This should only be called on processor 0 during calibrate decr */
 void setup_default_decr(void)
 {
         struct paca_struct *lpaca = get_paca();
 
-        if ( decr_overclock_set && !decr_overclock_proc0_set )
-                decr_overclock_proc0 = decr_overclock;
-
-        lpaca->default_decr = tb_ticks_per_jiffy / decr_overclock_proc0;        
+        lpaca->default_decr = tb_ticks_per_jiffy;
         lpaca->next_jiffy_update_tb = get_tb() + tb_ticks_per_jiffy;
 }
 
-int set_decr_overclock_proc0( char * str )
-{
-        unsigned long val = simple_strtoul( str, NULL, 0 );
-        if ( ( val >= 1 ) && ( val <= 48 ) ) {
-                decr_overclock_proc0_set = 1;
-                decr_overclock_proc0 = val;
-                printk("proc 0 decrementer overclock factor of %ld\n", val);
-        }
-        else
-                printk("invalid proc 0 decrementer overclock factor of %ld\n", val);
-        return 1;
-}
-
-int set_decr_overclock( char * str )
-{
-        unsigned long val = simple_strtoul( str, NULL, 0 );
-        if ( ( val >= 1 ) && ( val <= 48 ) ) {
-                decr_overclock_set = 1;
-                decr_overclock = val;
-                printk("decrementer overclock factor of %ld\n", val);
-        }
-        else
-                printk("invalid decrementer overclock factor of %ld\n", val);
-        return 1;
-
-}
-
-__setup("spread_lpevents=", set_spread_lpevents );
-__setup("decr_overclock_proc0=", set_decr_overclock_proc0 );
-__setup("decr_overclock=", set_decr_overclock );
-
 #ifndef CONFIG_PPC_ISERIES
 /*
  * This function can be used by platforms to "find" legacy serial ports.
diff --git a/arch/ppc64/kernel/smp.c b/arch/ppc64/kernel/smp.c
index 3b906cd94037..9ef5d36d6b25 100644
--- a/arch/ppc64/kernel/smp.c
+++ b/arch/ppc64/kernel/smp.c
@@ -334,7 +334,6 @@ void smp_call_function_interrupt(void)
         }
 }
 
-extern unsigned long decr_overclock;
 extern struct gettimeofday_struct do_gtod;
 
 struct thread_info *current_set[NR_CPUS];
@@ -491,7 +490,7 @@ int __devinit __cpu_up(unsigned int cpu)
         if (smp_ops->cpu_bootable && !smp_ops->cpu_bootable(cpu))
                 return -EINVAL;
 
-        paca[cpu].default_decr = tb_ticks_per_jiffy / decr_overclock;
+        paca[cpu].default_decr = tb_ticks_per_jiffy;
 
         if (!cpu_has_feature(CPU_FTR_SLB)) {
                 void *tmp;
diff --git a/arch/ppc64/kernel/sys_ppc32.c b/arch/ppc64/kernel/sys_ppc32.c
index 7cf7a9600025..9c8e317c598d 100644
--- a/arch/ppc64/kernel/sys_ppc32.c
+++ b/arch/ppc64/kernel/sys_ppc32.c
@@ -791,31 +791,6 @@ asmlinkage int sys32_pciconfig_iobase(u32 which, u32 in_bus, u32 in_devfn)
 }
 
 
-asmlinkage int ppc64_newuname(struct new_utsname __user * name)
-{
-        int errno = sys_newuname(name);
-
-        if (current->personality == PER_LINUX32 && !errno) {
-                if(copy_to_user(name->machine, "ppc\0\0", 8)) {
-                        errno = -EFAULT;
-                }
-        }
-        return errno;
-}
-
-asmlinkage int ppc64_personality(unsigned long personality)
-{
-        int ret;
-        if (current->personality == PER_LINUX32 && personality == PER_LINUX)
-                personality = PER_LINUX32;
-        ret = sys_personality(personality);
-        if (ret == PER_LINUX32)
-                ret = PER_LINUX;
-        return ret;
-}
-
-
-
 /* Note: it is necessary to treat mode as an unsigned int,
  * with the corresponding cast to a signed int to insure that the 
  * proper conversion (sign extension) between the register representation of a signed int (msr in 32-bit mode)
@@ -1158,26 +1133,47 @@ asmlinkage long sys32_sysctl(struct __sysctl_args32 __user *args)
 }
 #endif
 
+asmlinkage int sys32_uname(struct old_utsname __user * name)
+{
+        int err = 0;
+        
+        down_read(&uts_sem);
+        if (copy_to_user(name, &system_utsname, sizeof(*name)))
+                err = -EFAULT;
+        up_read(&uts_sem);
+        if (!err && personality(current->personality) == PER_LINUX32) {
+                /* change "ppc64" to "ppc" */
+                if (__put_user(0, name->machine + 3)
+                    || __put_user(0, name->machine + 4))
+                        err = -EFAULT;
+        }
+        return err;
+}
+
 asmlinkage int sys32_olduname(struct oldold_utsname __user * name)
 {
         int error;
-        
-        if (!name)
-                return -EFAULT;
+
         if (!access_ok(VERIFY_WRITE,name,sizeof(struct oldold_utsname)))
                 return -EFAULT;
   
         down_read(&uts_sem);
         error = __copy_to_user(&name->sysname,&system_utsname.sysname,__OLD_UTS_LEN);
-        error -= __put_user(0,name->sysname+__OLD_UTS_LEN);
-        error -= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
-        error -= __put_user(0,name->nodename+__OLD_UTS_LEN);
-        error -= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
-        error -= __put_user(0,name->release+__OLD_UTS_LEN);
-        error -= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
-        error -= __put_user(0,name->version+__OLD_UTS_LEN);
-        error -= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
-        error = __put_user(0,name->machine+__OLD_UTS_LEN);
+        error |= __put_user(0,name->sysname+__OLD_UTS_LEN);
+        error |= __copy_to_user(&name->nodename,&system_utsname.nodename,__OLD_UTS_LEN);
+        error |= __put_user(0,name->nodename+__OLD_UTS_LEN);
+        error |= __copy_to_user(&name->release,&system_utsname.release,__OLD_UTS_LEN);
+        error |= __put_user(0,name->release+__OLD_UTS_LEN);
+        error |= __copy_to_user(&name->version,&system_utsname.version,__OLD_UTS_LEN);
+        error |= __put_user(0,name->version+__OLD_UTS_LEN);
+        error |= __copy_to_user(&name->machine,&system_utsname.machine,__OLD_UTS_LEN);
+        error |= __put_user(0,name->machine+__OLD_UTS_LEN);
+        if (personality(current->personality) == PER_LINUX32) {
+                /* change "ppc64" to "ppc" */
+                error |= __put_user(0, name->machine + 3);
+                error |= __put_user(0, name->machine + 4);
+        }
+        
         up_read(&uts_sem);
 
         error = error ? -EFAULT : 0;
diff --git a/arch/ppc64/kernel/syscalls.c b/arch/ppc64/kernel/syscalls.c
index f2865ff8d2f9..a8cbb202b8cd 100644
--- a/arch/ppc64/kernel/syscalls.c
+++ b/arch/ppc64/kernel/syscalls.c
@@ -199,24 +199,33 @@ out:
         return ret;
 }
 
-static int __init set_fakeppc(char *str)
+long ppc64_personality(unsigned long personality)
 {
-        if (*str)
-                return 0;
-        init_task.personality = PER_LINUX32;
-        return 1;
+        long ret;
+
+        if (personality(current->personality) == PER_LINUX32
+            && personality == PER_LINUX)
+                personality = PER_LINUX32;
+        ret = sys_personality(personality);
+        if (ret == PER_LINUX32)
+                ret = PER_LINUX;
+        return ret;
 }
-__setup("fakeppc", set_fakeppc);
 
-asmlinkage int sys_uname(struct old_utsname __user * name)
+long ppc64_newuname(struct new_utsname __user * name)
 {
-        int err = -EFAULT;
-        
+        int err = 0;
+
         down_read(&uts_sem);
-        if (name && !copy_to_user(name, &system_utsname, sizeof (*name)))
-                err = 0;
+        if (copy_to_user(name, &system_utsname, sizeof(*name)))
+                err = -EFAULT;
         up_read(&uts_sem);
-        
+        if (!err && personality(current->personality) == PER_LINUX32) {
+                /* change ppc64 to ppc */
+                if (__put_user(0, name->machine + 3)
+                    || __put_user(0, name->machine + 4))
+                        err = -EFAULT;
+        }
         return err;
 }
 
diff --git a/arch/ppc64/kernel/sysfs.c b/arch/ppc64/kernel/sysfs.c
index 0925694c3ce5..c8fa6569b2fd 100644
--- a/arch/ppc64/kernel/sysfs.c
+++ b/arch/ppc64/kernel/sysfs.c
@@ -113,7 +113,6 @@ void ppc64_enable_pmcs(void)
 #ifdef CONFIG_PPC_PSERIES
         unsigned long set, reset;
         int ret;
-        unsigned int ctrl;
 #endif /* CONFIG_PPC_PSERIES */
 
         /* Only need to enable them once */
@@ -167,11 +166,8 @@ void ppc64_enable_pmcs(void)
          * On SMT machines we have to set the run latch in the ctrl register
          * in order to make PMC6 spin.
          */
-        if (cpu_has_feature(CPU_FTR_SMT)) {
-                ctrl = mfspr(CTRLF);
-                ctrl |= RUNLATCH;
-                mtspr(CTRLT, ctrl);
-        }
+        if (cpu_has_feature(CPU_FTR_SMT))
+                ppc64_runlatch_on();
 #endif /* CONFIG_PPC_PSERIES */
 }
 
diff --git a/arch/ppc64/kernel/time.c b/arch/ppc64/kernel/time.c
index 772a465b49f9..33364a7d2cd2 100644
--- a/arch/ppc64/kernel/time.c
+++ b/arch/ppc64/kernel/time.c
@@ -325,9 +325,7 @@ int timer_interrupt(struct pt_regs * regs)
 
         irq_enter();
 
-#ifndef CONFIG_PPC_ISERIES
         profile_tick(CPU_PROFILING, regs);
-#endif
 
         lpaca->lppaca.int_dword.fields.decr_int = 0;
 
@@ -515,6 +513,7 @@ void __init time_init(void)
         do_gtod.varp = &do_gtod.vars[0];
         do_gtod.var_idx = 0;
         do_gtod.varp->tb_orig_stamp = tb_last_stamp;
+        get_paca()->next_jiffy_update_tb = tb_last_stamp + tb_ticks_per_jiffy;
         do_gtod.varp->stamp_xsec = xtime.tv_sec * XSEC_PER_SEC;
         do_gtod.tb_ticks_per_sec = tb_ticks_per_sec;
         do_gtod.varp->tb_to_xs = tb_to_xs;
diff --git a/arch/s390/appldata/appldata_base.c b/arch/s390/appldata/appldata_base.c
index 01ae1964c938..c067435bae45 100644
--- a/arch/s390/appldata/appldata_base.c
+++ b/arch/s390/appldata/appldata_base.c
@@ -28,6 +28,7 @@
 //#include <linux/kernel_stat.h>
 #include <linux/notifier.h>
 #include <linux/cpu.h>
+#include <linux/workqueue.h>
 
 #include "appldata.h"
 
@@ -133,9 +134,12 @@ static int appldata_interval = APPLDATA_CPU_INTERVAL;
 static int appldata_timer_active;
 
 /*
- * Tasklet
+ * Work queue
  */
-static struct tasklet_struct appldata_tasklet_struct;
+static struct workqueue_struct *appldata_wq;
+static void appldata_work_fn(void *data);
+static DECLARE_WORK(appldata_work, appldata_work_fn, NULL);
+
 
 /*
  * Ops list
@@ -144,11 +148,11 @@ static DEFINE_SPINLOCK(appldata_ops_lock);
 static LIST_HEAD(appldata_ops_list);
 
 
-/************************* timer, tasklet, DIAG ******************************/
+/*************************** timer, work, DIAG *******************************/
 /*
  * appldata_timer_function()
  *
- * schedule tasklet and reschedule timer
+ * schedule work and reschedule timer
  */
 static void appldata_timer_function(unsigned long data, struct pt_regs *regs)
 {
@@ -157,22 +161,22 @@ static void appldata_timer_function(unsigned long data, struct pt_regs *regs)
                 atomic_read(&appldata_expire_count));
         if (atomic_dec_and_test(&appldata_expire_count)) {
                 atomic_set(&appldata_expire_count, num_online_cpus());
-                tasklet_schedule((struct tasklet_struct *) data);
+                queue_work(appldata_wq, (struct work_struct *) data);
         }
 }
 
 /*
- * appldata_tasklet_function()
+ * appldata_work_fn()
  *
  * call data gathering function for each (active) module
  */
-static void appldata_tasklet_function(unsigned long data)
+static void appldata_work_fn(void *data)
 {
         struct list_head *lh;
         struct appldata_ops *ops;
         int i;
 
-        P_DEBUG("  -= Tasklet =-\n");
+        P_DEBUG("  -= Work Queue =-\n");
         i = 0;
         spin_lock(&appldata_ops_lock);
         list_for_each(lh, &appldata_ops_list) {
@@ -231,7 +235,7 @@ static int appldata_diag(char record_nr, u16 function, unsigned long buffer,
                         : "=d" (ry) : "d" (&(appldata_parameter_list)) : "cc");
         return (int) ry;
 }
-/********************** timer, tasklet, DIAG <END> ***************************/
+/************************ timer, work, DIAG <END> ****************************/
 
 
 /****************************** /proc stuff **********************************/
@@ -411,7 +415,7 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
         struct list_head *lh;
 
         found = 0;
-        spin_lock_bh(&appldata_ops_lock);
+        spin_lock(&appldata_ops_lock);
         list_for_each(lh, &appldata_ops_list) {
                 tmp_ops = list_entry(lh, struct appldata_ops, list);
                 if (&tmp_ops->ctl_table[2] == ctl) {
@@ -419,15 +423,15 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
                 }
         }
         if (!found) {
-                spin_unlock_bh(&appldata_ops_lock);
+                spin_unlock(&appldata_ops_lock);
                 return -ENODEV;
         }
         ops = ctl->data;
         if (!try_module_get(ops->owner)) {      // protect this function
-                spin_unlock_bh(&appldata_ops_lock);
+                spin_unlock(&appldata_ops_lock);
                 return -ENODEV;
         }
-        spin_unlock_bh(&appldata_ops_lock);
+        spin_unlock(&appldata_ops_lock);
 
         if (!*lenp || *ppos) {
                 *lenp = 0;
@@ -451,10 +455,11 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
                 return -EFAULT;
         }
 
-        spin_lock_bh(&appldata_ops_lock);
+        spin_lock(&appldata_ops_lock);
         if ((buf[0] == '1') && (ops->active == 0)) {
-                if (!try_module_get(ops->owner)) {      // protect tasklet
-                        spin_unlock_bh(&appldata_ops_lock);
+                // protect work queue callback
+                if (!try_module_get(ops->owner)) {
+                        spin_unlock(&appldata_ops_lock);
                         module_put(ops->owner);
                         return -ENODEV;
                 }
@@ -485,7 +490,7 @@ appldata_generic_handler(ctl_table *ctl, int write, struct file *filp,
                 }
                 module_put(ops->owner);
         }
-        spin_unlock_bh(&appldata_ops_lock);
+        spin_unlock(&appldata_ops_lock);
 out:
         *lenp = len;
         *ppos += len;
@@ -529,7 +534,7 @@ int appldata_register_ops(struct appldata_ops *ops)
         }
         memset(ops->ctl_table, 0, 4*sizeof(struct ctl_table));
 
-        spin_lock_bh(&appldata_ops_lock);
+        spin_lock(&appldata_ops_lock);
         list_for_each(lh, &appldata_ops_list) {
                 tmp_ops = list_entry(lh, struct appldata_ops, list);
                 P_DEBUG("register_ops loop: %i) name = %s, ctl = %i\n",
@@ -541,18 +546,18 @@ int appldata_register_ops(struct appldata_ops *ops)
                                 APPLDATA_PROC_NAME_LENGTH) == 0) {
                         P_ERROR("Name \"%s\" already registered!\n", ops->name);
                         kfree(ops->ctl_table);
-                        spin_unlock_bh(&appldata_ops_lock);
+                        spin_unlock(&appldata_ops_lock);
                         return -EBUSY;
                 }
                 if (tmp_ops->ctl_nr == ops->ctl_nr) {
                         P_ERROR("ctl_nr %i already registered!\n", ops->ctl_nr);
                         kfree(ops->ctl_table);
-                        spin_unlock_bh(&appldata_ops_lock);
+                        spin_unlock(&appldata_ops_lock);
                         return -EBUSY;
                 }
         }
         list_add(&ops->list, &appldata_ops_list);
-        spin_unlock_bh(&appldata_ops_lock);
+        spin_unlock(&appldata_ops_lock);
 
         ops->ctl_table[0].ctl_name = CTL_APPLDATA;
         ops->ctl_table[0].procname = appldata_proc_name;
@@ -583,12 +588,12 @@ int appldata_register_ops(struct appldata_ops *ops)
  */
 void appldata_unregister_ops(struct appldata_ops *ops)
 {
-        spin_lock_bh(&appldata_ops_lock);
+        spin_lock(&appldata_ops_lock);
         unregister_sysctl_table(ops->sysctl_header);
         list_del(&ops->list);
         kfree(ops->ctl_table);
         ops->ctl_table = NULL;
-        spin_unlock_bh(&appldata_ops_lock);
+        spin_unlock(&appldata_ops_lock);
         P_INFO("%s-ops unregistered!\n", ops->name);
 }
 /********************** module-ops management <END> **************************/
@@ -602,7 +607,7 @@ appldata_online_cpu(int cpu)
         init_virt_timer(&per_cpu(appldata_timer, cpu));
         per_cpu(appldata_timer, cpu).function = appldata_timer_function;
         per_cpu(appldata_timer, cpu).data = (unsigned long)
-                &appldata_tasklet_struct;
+                &appldata_work;
         atomic_inc(&appldata_expire_count);
         spin_lock(&appldata_timer_lock);
         __appldata_vtimer_setup(APPLDATA_MOD_TIMER);
@@ -615,7 +620,7 @@ appldata_offline_cpu(int cpu)
         del_virt_timer(&per_cpu(appldata_timer, cpu));
         if (atomic_dec_and_test(&appldata_expire_count)) {
                 atomic_set(&appldata_expire_count, num_online_cpus());
-                tasklet_schedule(&appldata_tasklet_struct);
+                queue_work(appldata_wq, &appldata_work);
         }
         spin_lock(&appldata_timer_lock);
         __appldata_vtimer_setup(APPLDATA_MOD_TIMER);
@@ -648,7 +653,7 @@ static struct notifier_block __devinitdata appldata_nb = {
 /*
  * appldata_init()
  *
- * init timer and tasklet, register /proc entries
+ * init timer, register /proc entries
  */
 static int __init appldata_init(void)
 {
@@ -657,6 +662,12 @@ static int __init appldata_init(void)
         P_DEBUG("sizeof(parameter_list) = %lu\n",
                 sizeof(struct appldata_parameter_list));
 
+        appldata_wq = create_singlethread_workqueue("appldata");
+        if (!appldata_wq) {
+                P_ERROR("Could not create work queue\n");
+                return -ENOMEM;
+        }
+
         for_each_online_cpu(i)
                 appldata_online_cpu(i);
 
@@ -670,7 +681,6 @@ static int __init appldata_init(void)
         appldata_table[1].de->owner = THIS_MODULE;
 #endif
 
-        tasklet_init(&appldata_tasklet_struct, appldata_tasklet_function, 0);
         P_DEBUG("Base interface initialized.\n");
         return 0;
 }
@@ -678,7 +688,7 @@ static int __init appldata_init(void)
 /*
  * appldata_exit()
  *
- * stop timer and tasklet, unregister /proc entries
+ * stop timer, unregister /proc entries
  */
 static void __exit appldata_exit(void)
 {
@@ -690,7 +700,7 @@ static void __exit appldata_exit(void)
         /*
          * ops list should be empty, but just in case something went wrong...
          */
-        spin_lock_bh(&appldata_ops_lock);
+        spin_lock(&appldata_ops_lock);
         list_for_each(lh, &appldata_ops_list) {
                 ops = list_entry(lh, struct appldata_ops, list);
                 rc = appldata_diag(ops->record_nr, APPLDATA_STOP_REC,
@@ -700,7 +710,7 @@ static void __exit appldata_exit(void)
                                 "return code: %d\n", ops->name, rc);
                 }
         }
-        spin_unlock_bh(&appldata_ops_lock);
+        spin_unlock(&appldata_ops_lock);
 
         for_each_online_cpu(i)
                 appldata_offline_cpu(i);
@@ -709,7 +719,7 @@ static void __exit appldata_exit(void)
 
         unregister_sysctl_table(appldata_sysctl_header);
 
-        tasklet_kill(&appldata_tasklet_struct);
+        destroy_workqueue(appldata_wq);
         P_DEBUG("... module unloaded!\n");
 }
 /**************************** init / exit <END> ******************************/
diff --git a/arch/s390/appldata/appldata_mem.c b/arch/s390/appldata/appldata_mem.c
index 462ee9a84e76..f0e2fbed3d4c 100644
--- a/arch/s390/appldata/appldata_mem.c
+++ b/arch/s390/appldata/appldata_mem.c
@@ -68,7 +68,7 @@ struct appldata_mem_data {
         u64 pgmajfault;         /* page faults (major only) */
 // <-- New in 2.6
 
-} appldata_mem_data;
+} __attribute__((packed)) appldata_mem_data;
 
 
 static inline void appldata_debug_print(struct appldata_mem_data *mem_data)
diff --git a/arch/s390/appldata/appldata_net_sum.c b/arch/s390/appldata/appldata_net_sum.c
index dd61638d3027..2a4c7432db4a 100644
--- a/arch/s390/appldata/appldata_net_sum.c
+++ b/arch/s390/appldata/appldata_net_sum.c
@@ -57,7 +57,7 @@ struct appldata_net_sum_data {
         u64 rx_dropped;         /* no space in linux buffers     */
         u64 tx_dropped;         /* no space available in linux   */
         u64 collisions;         /* collisions while transmitting */
-} appldata_net_sum_data;
+} __attribute__((packed)) appldata_net_sum_data;
 
 
 static inline void appldata_print_debug(struct appldata_net_sum_data *net_data)
diff --git a/arch/s390/appldata/appldata_os.c b/arch/s390/appldata/appldata_os.c
index b83f07484551..e0a476bf4fd6 100644
--- a/arch/s390/appldata/appldata_os.c
+++ b/arch/s390/appldata/appldata_os.c
@@ -49,7 +49,7 @@ struct appldata_os_per_cpu {
         u32 per_cpu_softirq;    /* ... spent in softirqs            */
         u32 per_cpu_iowait;     /* ... spent while waiting for I/O  */
 // <-- New in 2.6
-};
+} __attribute__((packed));
 
 struct appldata_os_data {
         u64 timestamp;
@@ -75,7 +75,7 @@ struct appldata_os_data {
 
         /* per cpu data */
         struct appldata_os_per_cpu os_cpu[0];
-};
+} __attribute__((packed));
 
 static struct appldata_os_data *appldata_os_data;
 
diff --git a/arch/s390/kernel/ptrace.c b/arch/s390/kernel/ptrace.c
index 26889366929a..06afa3103ace 100644
--- a/arch/s390/kernel/ptrace.c
+++ b/arch/s390/kernel/ptrace.c
@@ -40,6 +40,7 @@
 #include <asm/pgalloc.h>
 #include <asm/system.h>
 #include <asm/uaccess.h>
+#include <asm/unistd.h>
 
 #ifdef CONFIG_S390_SUPPORT
 #include "compat_ptrace.h"
@@ -130,13 +131,19 @@ static int
 peek_user(struct task_struct *child, addr_t addr, addr_t data)
 {
         struct user *dummy = NULL;
-        addr_t offset, tmp;
+        addr_t offset, tmp, mask;
 
         /*
          * Stupid gdb peeks/pokes the access registers in 64 bit with
          * an alignment of 4. Programmers from hell...
          */
-        if ((addr & 3) || addr > sizeof(struct user) - __ADDR_MASK)
+        mask = __ADDR_MASK;
+#ifdef CONFIG_ARCH_S390X
+        if (addr >= (addr_t) &dummy->regs.acrs &&
+            addr < (addr_t) &dummy->regs.orig_gpr2)
+                mask = 3;
+#endif
+        if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)
                 return -EIO;
 
         if (addr < (addr_t) &dummy->regs.acrs) {
@@ -153,6 +160,16 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data)
                  * access registers are stored in the thread structure
                  */
                 offset = addr - (addr_t) &dummy->regs.acrs;
+#ifdef CONFIG_ARCH_S390X
+                /*
+                 * Very special case: old & broken 64 bit gdb reading
+                 * from acrs[15]. Result is a 64 bit value. Read the
+                 * 32 bit acrs[15] value and shift it by 32. Sick...
+                 */
+                if (addr == (addr_t) &dummy->regs.acrs[15])
+                        tmp = ((unsigned long) child->thread.acrs[15]) << 32;
+                else
+#endif
                 tmp = *(addr_t *)((addr_t) &child->thread.acrs + offset);
 
         } else if (addr == (addr_t) &dummy->regs.orig_gpr2) {
@@ -167,6 +184,9 @@ peek_user(struct task_struct *child, addr_t addr, addr_t data)
                  */
                 offset = addr - (addr_t) &dummy->regs.fp_regs;
                 tmp = *(addr_t *)((addr_t) &child->thread.fp_regs + offset);
+                if (addr == (addr_t) &dummy->regs.fp_regs.fpc)
+                        tmp &= (unsigned long) FPC_VALID_MASK
+                                << (BITS_PER_LONG - 32);
 
         } else if (addr < (addr_t) (&dummy->regs.per_info + 1)) {
                 /*
@@ -191,13 +211,19 @@ static int
 poke_user(struct task_struct *child, addr_t addr, addr_t data)
 {
         struct user *dummy = NULL;
-        addr_t offset;
+        addr_t offset, mask;
 
         /*
          * Stupid gdb peeks/pokes the access registers in 64 bit with
          * an alignment of 4. Programmers from hell indeed...
          */
-        if ((addr & 3) || addr > sizeof(struct user) - __ADDR_MASK)
+        mask = __ADDR_MASK;
+#ifdef CONFIG_ARCH_S390X
+        if (addr >= (addr_t) &dummy->regs.acrs &&
+            addr < (addr_t) &dummy->regs.orig_gpr2)
+                mask = 3;
+#endif
+        if ((addr & mask) || addr > sizeof(struct user) - __ADDR_MASK)
                 return -EIO;
 
         if (addr < (addr_t) &dummy->regs.acrs) {
@@ -224,6 +250,17 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
                  * access registers are stored in the thread structure
                  */
                 offset = addr - (addr_t) &dummy->regs.acrs;
+#ifdef CONFIG_ARCH_S390X
+                /*
+                 * Very special case: old & broken 64 bit gdb writing
+                 * to acrs[15] with a 64 bit value. Ignore the lower
+                 * half of the value and write the upper 32 bit to
+                 * acrs[15]. Sick...
+                 */
+                if (addr == (addr_t) &dummy->regs.acrs[15])
+                        child->thread.acrs[15] = (unsigned int) (data >> 32);
+                else
+#endif
                 *(addr_t *)((addr_t) &child->thread.acrs + offset) = data;
 
         } else if (addr == (addr_t) &dummy->regs.orig_gpr2) {
@@ -237,7 +274,8 @@ poke_user(struct task_struct *child, addr_t addr, addr_t data)
                  * floating point regs. are stored in the thread structure
                  */
                 if (addr == (addr_t) &dummy->regs.fp_regs.fpc &&
-                    (data & ~FPC_VALID_MASK) != 0)
+                    (data & ~((unsigned long) FPC_VALID_MASK
+                              << (BITS_PER_LONG - 32))) != 0)
                         return -EINVAL;
                 offset = addr - (addr_t) &dummy->regs.fp_regs;
                 *(addr_t *)((addr_t) &child->thread.fp_regs + offset) = data;
@@ -723,6 +761,13 @@ syscall_trace(struct pt_regs *regs, int entryexit)
                                  ? 0x80 : 0));
 
         /*
+         * If the debuffer has set an invalid system call number,
+         * we prepare to skip the system call restart handling.
+         */
+        if (!entryexit && regs->gprs[2] >= NR_syscalls)
+                regs->trap = -1;
+
+        /*
          * this isn't the same as continuing with a signal, but it will do
          * for normal use.  strace only continues with a signal if the
          * stopping signal is not SIGTRAP.  -brl
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 80306bc8c799..75fde949d125 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -207,7 +207,7 @@ do_exception(struct pt_regs *regs, unsigned long error_code, int is_protection)
          * we are not in an interrupt and that there is a 
          * user context.
          */
-        if (user_address == 0 || in_interrupt() || !mm)
+        if (user_address == 0 || in_atomic() || !mm)
                 goto no_context;
 
         /*
diff --git a/arch/sparc64/kernel/pci_iommu.c b/arch/sparc64/kernel/pci_iommu.c
index 33ca56c90da2..2803bc7c2c79 100644
--- a/arch/sparc64/kernel/pci_iommu.c
+++ b/arch/sparc64/kernel/pci_iommu.c
@@ -196,6 +196,34 @@ static iopte_t *alloc_consistent_cluster(struct pci_iommu *iommu, unsigned long
         return NULL;
 }
 
+static int iommu_alloc_ctx(struct pci_iommu *iommu)
+{
+        int lowest = iommu->ctx_lowest_free;
+        int sz = IOMMU_NUM_CTXS - lowest;
+        int n = find_next_zero_bit(iommu->ctx_bitmap, sz, lowest);
+
+        if (unlikely(n == sz)) {
+                n = find_next_zero_bit(iommu->ctx_bitmap, lowest, 1);
+                if (unlikely(n == lowest)) {
+                        printk(KERN_WARNING "IOMMU: Ran out of contexts.\n");
+                        n = 0;
+                }
+        }
+        if (n)
+                __set_bit(n, iommu->ctx_bitmap);
+
+        return n;
+}
+
+static inline void iommu_free_ctx(struct pci_iommu *iommu, int ctx)
+{
+        if (likely(ctx)) {
+                __clear_bit(ctx, iommu->ctx_bitmap);
+                if (ctx < iommu->ctx_lowest_free)
+                        iommu->ctx_lowest_free = ctx;
+        }
+}
+
 /* Allocate and map kernel buffer of size SIZE using consistent mode
  * DMA for PCI device PDEV.  Return non-NULL cpu-side address if
  * successful and set *DMA_ADDRP to the PCI side dma address.
@@ -236,7 +264,7 @@ void *pci_alloc_consistent(struct pci_dev *pdev, size_t size, dma_addr_t *dma_ad
         npages = size >> IO_PAGE_SHIFT;
         ctx = 0;
         if (iommu->iommu_ctxflush)
-                ctx = iommu->iommu_cur_ctx++;
+                ctx = iommu_alloc_ctx(iommu);
         first_page = __pa(first_page);
         while (npages--) {
                 iopte_val(*iopte) = (IOPTE_CONSISTENT(ctx) |
@@ -317,6 +345,8 @@ void pci_free_consistent(struct pci_dev *pdev, size_t size, void *cpu, dma_addr_
                 }
         }
 
+        iommu_free_ctx(iommu, ctx);
+
         spin_unlock_irqrestore(&iommu->lock, flags);
 
         order = get_order(size);
@@ -360,7 +390,7 @@ dma_addr_t pci_map_single(struct pci_dev *pdev, void *ptr, size_t sz, int direct
         base_paddr = __pa(oaddr & IO_PAGE_MASK);
         ctx = 0;
         if (iommu->iommu_ctxflush)
-                ctx = iommu->iommu_cur_ctx++;
+                ctx = iommu_alloc_ctx(iommu);
         if (strbuf->strbuf_enabled)
                 iopte_protection = IOPTE_STREAMING(ctx);
         else
@@ -380,39 +410,53 @@ bad:
         return PCI_DMA_ERROR_CODE;
 }
 
-static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu, u32 vaddr, unsigned long ctx, unsigned long npages)
+static void pci_strbuf_flush(struct pci_strbuf *strbuf, struct pci_iommu *iommu, u32 vaddr, unsigned long ctx, unsigned long npages, int direction)
 {
         int limit;
 
-        PCI_STC_FLUSHFLAG_INIT(strbuf);
         if (strbuf->strbuf_ctxflush &&
             iommu->iommu_ctxflush) {
                 unsigned long matchreg, flushreg;
+                u64 val;
 
                 flushreg = strbuf->strbuf_ctxflush;
                 matchreg = PCI_STC_CTXMATCH_ADDR(strbuf, ctx);
 
-                limit = 100000;
                 pci_iommu_write(flushreg, ctx);
-                for(;;) {
-                        if (((long)pci_iommu_read(matchreg)) >= 0L)
-                                break;
-                        limit--;
-                        if (!limit)
-                                break;
-                        udelay(1);
+                val = pci_iommu_read(matchreg);
+                val &= 0xffff;
+                if (!val)
+                        goto do_flush_sync;
+
+                while (val) {
+                        if (val & 0x1)
+                                pci_iommu_write(flushreg, ctx);
+                        val >>= 1;
                 }
-                if (!limit)
+                val = pci_iommu_read(matchreg);
+                if (unlikely(val)) {
                         printk(KERN_WARNING "pci_strbuf_flush: ctx flush "
-                               "timeout vaddr[%08x] ctx[%lx]\n",
-                               vaddr, ctx);
+                               "timeout matchreg[%lx] ctx[%lx]\n",
+                               val, ctx);
+                        goto do_page_flush;
+                }
         } else {
                 unsigned long i;
 
+        do_page_flush:
                 for (i = 0; i < npages; i++, vaddr += IO_PAGE_SIZE)
                         pci_iommu_write(strbuf->strbuf_pflush, vaddr);
         }
 
+do_flush_sync:
+        /* If the device could not have possibly put dirty data into
+         * the streaming cache, no flush-flag synchronization needs
+         * to be performed.
+         */
+        if (direction == PCI_DMA_TODEVICE)
+                return;
+
+        PCI_STC_FLUSHFLAG_INIT(strbuf);
         pci_iommu_write(strbuf->strbuf_fsync, strbuf->strbuf_flushflag_pa);
         (void) pci_iommu_read(iommu->write_complete_reg);
 
@@ -466,7 +510,7 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int
 
         /* Step 1: Kick data out of streaming buffers if necessary. */
         if (strbuf->strbuf_enabled)
-                pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages);
+                pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
 
         /* Step 2: Clear out first TSB entry. */
         iopte_make_dummy(iommu, base);
@@ -474,6 +518,8 @@ void pci_unmap_single(struct pci_dev *pdev, dma_addr_t bus_addr, size_t sz, int
         free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base,
                                npages, ctx);
 
+        iommu_free_ctx(iommu, ctx);
+
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
@@ -613,7 +659,7 @@ int pci_map_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems, int
         /* Step 4: Choose a context if necessary. */
         ctx = 0;
         if (iommu->iommu_ctxflush)
-                ctx = iommu->iommu_cur_ctx++;
+                ctx = iommu_alloc_ctx(iommu);
 
         /* Step 5: Create the mappings. */
         if (strbuf->strbuf_enabled)
@@ -678,7 +724,7 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems,
 
         /* Step 1: Kick data out of streaming buffers if necessary. */
         if (strbuf->strbuf_enabled)
-                pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages);
+                pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
 
         /* Step 2: Clear out first TSB entry. */
         iopte_make_dummy(iommu, base);
@@ -686,6 +732,8 @@ void pci_unmap_sg(struct pci_dev *pdev, struct scatterlist *sglist, int nelems,
         free_streaming_cluster(iommu, bus_addr - iommu->page_table_map_base,
                                npages, ctx);
 
+        iommu_free_ctx(iommu, ctx);
+
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
@@ -724,7 +772,7 @@ void pci_dma_sync_single_for_cpu(struct pci_dev *pdev, dma_addr_t bus_addr, size
         }
 
         /* Step 2: Kick data out of streaming buffers. */
-        pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages);
+        pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
 
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
@@ -768,7 +816,7 @@ void pci_dma_sync_sg_for_cpu(struct pci_dev *pdev, struct scatterlist *sglist, i
         i--;
         npages = (IO_PAGE_ALIGN(sglist[i].dma_address + sglist[i].dma_length)
                   - bus_addr) >> IO_PAGE_SHIFT;
-        pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages);
+        pci_strbuf_flush(strbuf, iommu, bus_addr, ctx, npages, direction);
 
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
diff --git a/arch/sparc64/kernel/pci_psycho.c b/arch/sparc64/kernel/pci_psycho.c
index 3567fa879e1f..534320ef0db2 100644
--- a/arch/sparc64/kernel/pci_psycho.c
+++ b/arch/sparc64/kernel/pci_psycho.c
@@ -1212,7 +1212,7 @@ static void __init psycho_iommu_init(struct pci_controller_info *p)
 
         /* Setup initial software IOMMU state. */
         spin_lock_init(&iommu->lock);
-        iommu->iommu_cur_ctx = 0;
+        iommu->ctx_lowest_free = 1;
 
         /* Register addresses. */
         iommu->iommu_control  = p->pbm_A.controller_regs + PSYCHO_IOMMU_CONTROL;
diff --git a/arch/sparc64/kernel/pci_sabre.c b/arch/sparc64/kernel/pci_sabre.c
index 5525d1ec4af8..53d333b4a4e8 100644
--- a/arch/sparc64/kernel/pci_sabre.c
+++ b/arch/sparc64/kernel/pci_sabre.c
@@ -1265,7 +1265,7 @@ static void __init sabre_iommu_init(struct pci_controller_info *p,
 
         /* Setup initial software IOMMU state. */
         spin_lock_init(&iommu->lock);
-        iommu->iommu_cur_ctx = 0;
+        iommu->ctx_lowest_free = 1;
 
         /* Register addresses. */
         iommu->iommu_control  = p->pbm_A.controller_regs + SABRE_IOMMU_CONTROL;
diff --git a/arch/sparc64/kernel/pci_schizo.c b/arch/sparc64/kernel/pci_schizo.c
index e93fcadc3722..5753175b94e6 100644
--- a/arch/sparc64/kernel/pci_schizo.c
+++ b/arch/sparc64/kernel/pci_schizo.c
@@ -1753,7 +1753,7 @@ static void schizo_pbm_iommu_init(struct pci_pbm_info *pbm)
 
         /* Setup initial software IOMMU state. */
         spin_lock_init(&iommu->lock);
-        iommu->iommu_cur_ctx = 0;
+        iommu->ctx_lowest_free = 1;
 
         /* Register addresses, SCHIZO has iommu ctx flushing. */
         iommu->iommu_control  = pbm->pbm_regs + SCHIZO_IOMMU_CONTROL;
diff --git a/arch/sparc64/kernel/sbus.c b/arch/sparc64/kernel/sbus.c
index 76ea6455433f..89f5e019f24c 100644
--- a/arch/sparc64/kernel/sbus.c
+++ b/arch/sparc64/kernel/sbus.c
@@ -117,17 +117,25 @@ static void iommu_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages
 
 #define STRBUF_TAG_VALID        0x02UL
 
-static void sbus_strbuf_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages)
+static void sbus_strbuf_flush(struct sbus_iommu *iommu, u32 base, unsigned long npages, int direction)
 {
         unsigned long n;
         int limit;
 
-        iommu->strbuf_flushflag = 0UL;
         n = npages;
         while (n--)
                 upa_writeq(base + (n << IO_PAGE_SHIFT),
                            iommu->strbuf_regs + STRBUF_PFLUSH);
 
+        /* If the device could not have possibly put dirty data into
+         * the streaming cache, no flush-flag synchronization needs
+         * to be performed.
+         */
+        if (direction == SBUS_DMA_TODEVICE)
+                return;
+
+        iommu->strbuf_flushflag = 0UL;
+
         /* Whoopee cushion! */
         upa_writeq(__pa(&iommu->strbuf_flushflag),
                    iommu->strbuf_regs + STRBUF_FSYNC);
@@ -421,7 +429,7 @@ void sbus_unmap_single(struct sbus_dev *sdev, dma_addr_t dma_addr, size_t size,
 
         spin_lock_irqsave(&iommu->lock, flags);
         free_streaming_cluster(iommu, dma_base, size >> IO_PAGE_SHIFT);
-        sbus_strbuf_flush(iommu, dma_base, size >> IO_PAGE_SHIFT);
+        sbus_strbuf_flush(iommu, dma_base, size >> IO_PAGE_SHIFT, direction);
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
@@ -584,7 +592,7 @@ void sbus_unmap_sg(struct sbus_dev *sdev, struct scatterlist *sg, int nents, int
         iommu = sdev->bus->iommu;
         spin_lock_irqsave(&iommu->lock, flags);
         free_streaming_cluster(iommu, dvma_base, size >> IO_PAGE_SHIFT);
-        sbus_strbuf_flush(iommu, dvma_base, size >> IO_PAGE_SHIFT);
+        sbus_strbuf_flush(iommu, dvma_base, size >> IO_PAGE_SHIFT, direction);
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
@@ -596,7 +604,7 @@ void sbus_dma_sync_single_for_cpu(struct sbus_dev *sdev, dma_addr_t base, size_t
         size = (IO_PAGE_ALIGN(base + size) - (base & IO_PAGE_MASK));
 
         spin_lock_irqsave(&iommu->lock, flags);
-        sbus_strbuf_flush(iommu, base & IO_PAGE_MASK, size >> IO_PAGE_SHIFT);
+        sbus_strbuf_flush(iommu, base & IO_PAGE_MASK, size >> IO_PAGE_SHIFT, direction);
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
@@ -620,7 +628,7 @@ void sbus_dma_sync_sg_for_cpu(struct sbus_dev *sdev, struct scatterlist *sg, int
         size = IO_PAGE_ALIGN(sg[i].dma_address + sg[i].dma_length) - base;
 
         spin_lock_irqsave(&iommu->lock, flags);
-        sbus_strbuf_flush(iommu, base, size >> IO_PAGE_SHIFT);
+        sbus_strbuf_flush(iommu, base, size >> IO_PAGE_SHIFT, direction);
         spin_unlock_irqrestore(&iommu->lock, flags);
 }
 
diff --git a/arch/sparc64/kernel/setup.c b/arch/sparc64/kernel/setup.c
index 12c3d84b7460..b7e6a91952b2 100644
--- a/arch/sparc64/kernel/setup.c
+++ b/arch/sparc64/kernel/setup.c
@@ -383,6 +383,17 @@ static void __init process_switch(char c)
                 /* Use PROM debug console. */
                 register_console(&prom_debug_console);
                 break;
+        case 'P':
+                /* Force UltraSPARC-III P-Cache on. */
+                if (tlb_type != cheetah) {
+                        printk("BOOT: Ignoring P-Cache force option.\n");
+                        break;
+                }
+                cheetah_pcache_forced_on = 1;
+                add_taint(TAINT_MACHINE_CHECK);
+                cheetah_enable_pcache();
+                break;
+
         default:
                 printk("Unknown boot switch (-%c)\n", c);
                 break;
diff --git a/arch/sparc64/kernel/smp.c b/arch/sparc64/kernel/smp.c
index 6dff06a44e76..e5b9c7a27789 100644
--- a/arch/sparc64/kernel/smp.c
+++ b/arch/sparc64/kernel/smp.c
@@ -123,6 +123,9 @@ void __init smp_callin(void)
 
         smp_setup_percpu_timer();
 
+        if (cheetah_pcache_forced_on)
+                cheetah_enable_pcache();
+
         local_irq_enable();
 
         calibrate_delay();
diff --git a/arch/sparc64/kernel/traps.c b/arch/sparc64/kernel/traps.c
index 56b203a2af69..a9f4596d7c2b 100644
--- a/arch/sparc64/kernel/traps.c
+++ b/arch/sparc64/kernel/traps.c
@@ -421,6 +421,25 @@ asmlinkage void cee_log(unsigned long ce_status,
         }
 }
 
+int cheetah_pcache_forced_on;
+
+void cheetah_enable_pcache(void)
+{
+        unsigned long dcr;
+
+        printk("CHEETAH: Enabling P-Cache on cpu %d.\n",
+               smp_processor_id());
+
+        __asm__ __volatile__("ldxa [%%g0] %1, %0"
+                             : "=r" (dcr)
+                             : "i" (ASI_DCU_CONTROL_REG));
+        dcr |= (DCU_PE | DCU_HPE | DCU_SPE | DCU_SL);
+        __asm__ __volatile__("stxa %0, [%%g0] %1\n\t"
+                             "membar #Sync"
+                             : /* no outputs */
+                             : "r" (dcr), "i" (ASI_DCU_CONTROL_REG));
+}
+
 /* Cheetah error trap handling. */
 static unsigned long ecache_flush_physbase;
 static unsigned long ecache_flush_linesize;
diff --git a/arch/um/Kconfig.debug b/arch/um/Kconfig.debug
index b89989de364d..bd41e4286d0d 100644
--- a/arch/um/Kconfig.debug
+++ b/arch/um/Kconfig.debug
@@ -2,10 +2,6 @@ menu "Kernel hacking"
 
 source "lib/Kconfig.debug"
 
-config FRAME_POINTER
-        bool
-        default y if DEBUG_INFO
-
 config PT_PROXY
         bool "Enable ptrace proxy"
         depends on XTERM_CHAN && DEBUG_INFO && MODE_TT
diff --git a/arch/um/Kconfig_char b/arch/um/Kconfig_char
index 3e50fdb67626..62d87b71179b 100644
--- a/arch/um/Kconfig_char
+++ b/arch/um/Kconfig_char
@@ -204,5 +204,11 @@ config UML_RANDOM
         http://sourceforge.net/projects/gkernel/).  rngd periodically reads
         /dev/hwrng and injects the entropy into /dev/random.
 
+config MMAPPER
+        tristate "iomem emulation driver"
+        help
+        This driver allows a host file to be used as emulated IO memory inside
+        UML.
+
 endmenu
 
diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile
index 323f72c64cd2..b2de9916c32c 100644
--- a/arch/um/drivers/Makefile
+++ b/arch/um/drivers/Makefile
@@ -22,8 +22,8 @@ obj-y := stdio_console.o fd.o chan_kern.o chan_user.o line.o
 obj-$(CONFIG_SSL) += ssl.o
 obj-$(CONFIG_STDERR_CONSOLE) += stderr_console.o
 
-obj-$(CONFIG_UML_NET_SLIP) += slip.o
-obj-$(CONFIG_UML_NET_SLIRP) += slirp.o
+obj-$(CONFIG_UML_NET_SLIP) += slip.o slip_common.o
+obj-$(CONFIG_UML_NET_SLIRP) += slirp.o slip_common.o
 obj-$(CONFIG_UML_NET_DAEMON) += daemon.o 
 obj-$(CONFIG_UML_NET_MCAST) += mcast.o 
 #obj-$(CONFIG_UML_NET_PCAP) += pcap.o $(PCAP)
@@ -41,6 +41,6 @@ obj-$(CONFIG_UML_WATCHDOG) += harddog.o
 obj-$(CONFIG_BLK_DEV_COW_COMMON) += cow_user.o
 obj-$(CONFIG_UML_RANDOM) += random.o
 
-USER_OBJS := fd.o null.o pty.o tty.o xterm.o
+USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o
 
 include arch/um/scripts/Makefile.rules
diff --git a/arch/um/drivers/chan_user.c b/arch/um/drivers/chan_user.c
index 583b8e137c33..5d3768156c92 100644
--- a/arch/um/drivers/chan_user.c
+++ b/arch/um/drivers/chan_user.c
@@ -143,22 +143,22 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out)
 {
         struct winch_data data;
         unsigned long stack;
-        int fds[2], pid, n, err;
+        int fds[2], n, err;
         char c;
 
         err = os_pipe(fds, 1, 1);
         if(err < 0){
                 printk("winch_tramp : os_pipe failed, err = %d\n", -err);
-                return(err);
+                goto out;
         }
 
         data = ((struct winch_data) { .pty_fd           = fd,
                                       .pipe_fd          = fds[1],
                                       .close_me         = fds[0] } );
-        pid = run_helper_thread(winch_thread, &data, 0, &stack, 0);
-        if(pid < 0){
+        err = run_helper_thread(winch_thread, &data, 0, &stack, 0);
+        if(err < 0){
                 printk("fork of winch_thread failed - errno = %d\n", errno);
-                return(pid);
+                goto out_close;
         }
 
         os_close_file(fds[1]);
@@ -168,14 +168,22 @@ static int winch_tramp(int fd, struct tty_struct *tty, int *fd_out)
                 printk("winch_tramp : failed to read synchronization byte\n");
                 printk("read failed, err = %d\n", -n);
                 printk("fd %d will not support SIGWINCH\n", fd);
-                *fd_out = -1;
+                err = -EINVAL;
+                goto out_close1;
         }
-        return(pid);
+        return err ;
+
+ out_close:
+        os_close_file(fds[1]);
+ out_close1:
+        os_close_file(fds[0]);
+ out:
+        return err;
 }
 
 void register_winch(int fd, struct tty_struct *tty)
 {
-        int pid, thread, thread_fd;
+        int pid, thread, thread_fd = -1;
         int count;
         char c = 1;
 
@@ -186,7 +194,7 @@ void register_winch(int fd, struct tty_struct *tty)
         if(!CHOOSE_MODE_PROC(is_tracer_winch, is_skas_winch, pid, fd,
                              tty) && (pid == -1)){
                 thread = winch_tramp(fd, tty, &thread_fd);
-                if(fd != -1){
+                if(thread > 0){
                         register_winch_irq(thread_fd, fd, thread, tty);
 
                         count = os_write_file(thread_fd, &c, sizeof(c));
diff --git a/arch/um/drivers/mmapper_kern.c b/arch/um/drivers/mmapper_kern.c
index a63231dffe05..a37a5ac13c22 100644
--- a/arch/um/drivers/mmapper_kern.c
+++ b/arch/um/drivers/mmapper_kern.c
@@ -18,6 +18,7 @@
 #include <linux/slab.h>
 #include <linux/init.h> 
 #include <linux/smp_lock.h>
+#include <linux/miscdevice.h>
 #include <asm/uaccess.h>
 #include <asm/irq.h>
 #include <asm/pgtable.h>
@@ -117,24 +118,39 @@ static struct file_operations mmapper_fops = {
         .release        = mmapper_release,
 };
 
+static struct miscdevice mmapper_dev = {
+        .minor          = MISC_DYNAMIC_MINOR,
+        .name           = "mmapper",
+        .fops           = &mmapper_fops
+};
+
 static int __init mmapper_init(void)
 {
+        int err;
+
         printk(KERN_INFO "Mapper v0.1\n");
 
         v_buf = (char *) find_iomem("mmapper", &mmapper_size);
         if(mmapper_size == 0){
                 printk(KERN_ERR "mmapper_init - find_iomem failed\n");
-                return(0);
+                goto out;
         }
 
-        p_buf = __pa(v_buf);
+        err = misc_register(&mmapper_dev);
+        if(err){
+                printk(KERN_ERR "mmapper - misc_register failed, err = %d\n",
+                       err);
+                goto out;
+        }
 
-        devfs_mk_cdev(MKDEV(30, 0), S_IFCHR|S_IRUGO|S_IWUGO, "mmapper");
-        return(0);
+        p_buf = __pa(v_buf);
+out:
+        return 0;
 }
 
 static void mmapper_exit(void)
 {
+        misc_deregister(&mmapper_dev);
 }
 
 module_init(mmapper_init);
diff --git a/arch/um/drivers/net_user.c b/arch/um/drivers/net_user.c
index 47229fe4a813..3730d4f12713 100644
--- a/arch/um/drivers/net_user.c
+++ b/arch/um/drivers/net_user.c
@@ -32,7 +32,7 @@ int tap_open_common(void *dev, char *gate_addr)
         return(0);
 }
 
-void tap_check_ips(char *gate_addr, char *eth_addr)
+void tap_check_ips(char *gate_addr, unsigned char *eth_addr)
 {
         int tap_addr[4];
 
diff --git a/arch/um/drivers/random.c b/arch/um/drivers/random.c
index d43e9fab05a7..f9e22198e011 100644
--- a/arch/um/drivers/random.c
+++ b/arch/um/drivers/random.c
@@ -1,5 +1,10 @@
-/* Much of this ripped from hw_random.c */
-
+/* Copyright (C) 2005 Jeff Dike <jdike@addtoit.com> */
+/* Much of this ripped from drivers/char/hw_random.c, see there for other
+ * copyright.
+ *
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ */
 #include <linux/module.h>
 #include <linux/fs.h>
 #include <linux/miscdevice.h>
@@ -12,8 +17,6 @@
  */
 #define RNG_VERSION "1.0.0"
 #define RNG_MODULE_NAME "random"
-#define RNG_DRIVER_NAME   RNG_MODULE_NAME " virtual driver " RNG_VERSION
-#define PFX RNG_MODULE_NAME ": "
 
 #define RNG_MISCDEV_MINOR               183 /* official */
 
@@ -98,7 +101,7 @@ static int __init rng_init (void)
 
         err = misc_register (&rng_miscdev);
         if (err) {
-                printk (KERN_ERR PFX "misc device register failed\n");
+                printk (KERN_ERR RNG_MODULE_NAME ": misc device register failed\n");
                 goto err_out_cleanup_hw;
         }
 
@@ -120,3 +123,6 @@ static void __exit rng_cleanup (void)
 
 module_init (rng_init);
 module_exit (rng_cleanup);
+
+MODULE_DESCRIPTION("UML Host Random Number Generator (RNG) driver");
+MODULE_LICENSE("GPL");
diff --git a/arch/um/drivers/slip.h b/arch/um/drivers/slip.h
index 495f2f1b1420..bb0dab41c2e4 100644
--- a/arch/um/drivers/slip.h
+++ b/arch/um/drivers/slip.h
@@ -1,10 +1,7 @@
 #ifndef __UM_SLIP_H
 #define __UM_SLIP_H
 
-#define BUF_SIZE 1500
- /* two bytes each for a (pathological) max packet of escaped chars +  * 
-  * terminating END char + initial END char                            */
-#define ENC_BUF_SIZE (2 * BUF_SIZE + 2)
+#include "slip_common.h"
 
 struct slip_data {
         void *dev;
@@ -12,28 +9,12 @@ struct slip_data {
         char *addr;
         char *gate_addr;
         int slave;
-        char ibuf[ENC_BUF_SIZE];
-        char obuf[ENC_BUF_SIZE];
-        int more; /* more data: do not read fd until ibuf has been drained */
-        int pos;
-        int esc;
+        struct slip_proto slip;
 };
 
 extern struct net_user_info slip_user_info;
 
-extern int set_umn_addr(int fd, char *addr, char *ptp_addr);
 extern int slip_user_read(int fd, void *buf, int len, struct slip_data *pri);
 extern int slip_user_write(int fd, void *buf, int len, struct slip_data *pri);
 
 #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/drivers/slip_common.c b/arch/um/drivers/slip_common.c
new file mode 100644
index 000000000000..e89cfc68fc3e
--- /dev/null
+++ b/arch/um/drivers/slip_common.c
@@ -0,0 +1,54 @@
+#include <string.h>
+#include "slip_common.h"
+#include "net_user.h"
+
+int slip_proto_read(int fd, void *buf, int len, struct slip_proto *slip)
+{
+        int i, n, size, start;
+
+        if(slip->more > 0){
+                i = 0;
+                while(i < slip->more){
+                        size = slip_unesc(slip->ibuf[i++], slip->ibuf,
+                                          &slip->pos, &slip->esc);
+                        if(size){
+                                memcpy(buf, slip->ibuf, size);
+                                memmove(slip->ibuf, &slip->ibuf[i],
+                                        slip->more - i);
+                                slip->more = slip->more - i;
+                                return size;
+                        }
+                }
+                slip->more = 0;
+        }
+
+        n = net_read(fd, &slip->ibuf[slip->pos],
+                     sizeof(slip->ibuf) - slip->pos);
+        if(n <= 0)
+                return n;
+
+        start = slip->pos;
+        for(i = 0; i < n; i++){
+                size = slip_unesc(slip->ibuf[start + i], slip->ibuf,&slip->pos,
+                                  &slip->esc);
+                if(size){
+                        memcpy(buf, slip->ibuf, size);
+                        memmove(slip->ibuf, &slip->ibuf[start+i+1],
+                                n - (i + 1));
+                        slip->more = n - (i + 1);
+                        return size;
+                }
+        }
+        return 0;
+}
+
+int slip_proto_write(int fd, void *buf, int len, struct slip_proto *slip)
+{
+        int actual, n;
+
+        actual = slip_esc(buf, slip->obuf, len);
+        n = net_write(fd, slip->obuf, actual);
+        if(n < 0)
+                return n;
+        else return len;
+}
diff --git a/arch/um/drivers/slip_proto.h b/arch/um/drivers/slip_common.h
index 7206361ace45..2ae76d8f1be1 100644
--- a/arch/um/drivers/slip_proto.h
+++ b/arch/um/drivers/slip_common.h
@@ -1,10 +1,10 @@
-/* 
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
+#ifndef __UM_SLIP_COMMON_H
+#define __UM_SLIP_COMMON_H
 
-#ifndef __UM_SLIP_PROTO_H__
-#define __UM_SLIP_PROTO_H__
+#define BUF_SIZE 1500
+ /* two bytes each for a (pathological) max packet of escaped chars +  *
+  * terminating END char + initial END char                            */
+#define ENC_BUF_SIZE (2 * BUF_SIZE + 2)
 
 /* SLIP protocol characters. */
 #define SLIP_END             0300       /* indicates end of frame       */
@@ -12,7 +12,8 @@
 #define SLIP_ESC_END         0334       /* ESC ESC_END means END 'data' */
 #define SLIP_ESC_ESC         0335       /* ESC ESC_ESC means ESC 'data' */
 
-static inline int slip_unesc(unsigned char c,char *buf,int *pos, int *esc)
+static inline int slip_unesc(unsigned char c, unsigned char *buf, int *pos,
+                             int *esc)
 {
         int ret;
 
@@ -79,15 +80,25 @@ static inline int slip_esc(unsigned char *s, unsigned char *d, int len)
         return (ptr - d);
 }
 
-#endif
+struct slip_proto {
+        unsigned char ibuf[ENC_BUF_SIZE];
+        unsigned char obuf[ENC_BUF_SIZE];
+        int more; /* more data: do not read fd until ibuf has been drained */
+        int pos;
+        int esc;
+};
+
+#define SLIP_PROTO_INIT { \
+        .ibuf   = { '\0' }, \
+        .obuf   = { '\0' }, \
+        .more   = 0, \
+        .pos    = 0, \
+        .esc    = 0 \
+}
 
-/*
- * 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:
- */
+extern int slip_proto_read(int fd, void *buf, int len,
+                           struct slip_proto *slip);
+extern int slip_proto_write(int fd, void *buf, int len,
+                            struct slip_proto *slip);
+
+#endif
diff --git a/arch/um/drivers/slip_kern.c b/arch/um/drivers/slip_kern.c
index 0886eedba213..9a6f5c85f902 100644
--- a/arch/um/drivers/slip_kern.c
+++ b/arch/um/drivers/slip_kern.c
@@ -26,16 +26,16 @@ void slip_init(struct net_device *dev, void *data)
                   .addr         = NULL,
                   .gate_addr    = init->gate_addr,
                   .slave        = -1,
-                  .ibuf         = { '\0' },
-                  .obuf         = { '\0' },
-                  .pos          = 0,
-                  .esc          = 0,
+                  .slip         = SLIP_PROTO_INIT,
                   .dev          = dev });
 
         dev->init = NULL;
+        dev->header_cache_update = NULL;
+        dev->hard_header_cache = NULL;
+        dev->hard_header = NULL;
         dev->hard_header_len = 0;
-        dev->addr_len = 4;
-        dev->type = ARPHRD_ETHER;
+        dev->addr_len = 0;
+        dev->type = ARPHRD_SLIP;
         dev->tx_queue_len = 256;
         dev->flags = IFF_NOARP;
         printk("SLIP backend - SLIP IP = %s\n", spri->gate_addr);
diff --git a/arch/um/drivers/slip_user.c b/arch/um/drivers/slip_user.c
index d94846b1b4cf..71af444e591f 100644
--- a/arch/um/drivers/slip_user.c
+++ b/arch/um/drivers/slip_user.c
@@ -13,7 +13,7 @@
 #include "user.h"
 #include "net_user.h"
 #include "slip.h"
-#include "slip_proto.h"
+#include "slip_common.h"
 #include "helper.h"
 #include "os.h"
 
@@ -77,41 +77,51 @@ static int slip_tramp(char **argv, int fd)
         err = os_pipe(fds, 1, 0);
         if(err < 0){
                 printk("slip_tramp : pipe failed, err = %d\n", -err);
-                return(err);
+                goto out;
         }
 
         err = 0;
         pe_data.stdin = fd;
         pe_data.stdout = fds[1];
         pe_data.close_me = fds[0];
-        pid = run_helper(slip_pre_exec, &pe_data, argv, NULL);
+        err = run_helper(slip_pre_exec, &pe_data, argv, NULL);
+        if(err < 0)
+                goto out_close;
+        pid = err;
+
+        output_len = page_size();
+        output = um_kmalloc(output_len);
+        if(output == NULL){
+                printk("slip_tramp : failed to allocate output buffer\n");
+                os_kill_process(pid, 1);
+                err = -ENOMEM;
+                goto out_free;
+        }
 
-        if(pid < 0) err = pid;
-        else {
-                output_len = page_size();
-                output = um_kmalloc(output_len);
-                if(output == NULL)
-                        printk("slip_tramp : failed to allocate output "
-                               "buffer\n");
-
-                os_close_file(fds[1]);
-                read_output(fds[0], output, output_len);
-                if(output != NULL){
-                        printk("%s", output);
-                        kfree(output);
-                }
-                CATCH_EINTR(err = waitpid(pid, &status, 0));
-                if(err < 0)
-                        err = errno;
-                else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 0)){
-                        printk("'%s' didn't exit with status 0\n", argv[0]);
-                        err = -EINVAL;
-                }
+        os_close_file(fds[1]);
+        read_output(fds[0], output, output_len);
+        printk("%s", output);
+
+        CATCH_EINTR(err = waitpid(pid, &status, 0));
+        if(err < 0)
+                err = errno;
+        else if(!WIFEXITED(status) || (WEXITSTATUS(status) != 0)){
+                printk("'%s' didn't exit with status 0\n", argv[0]);
+                err = -EINVAL;
         }
+        else err = 0;
 
         os_close_file(fds[0]);
 
-        return(err);
+out_free:
+        kfree(output);
+        return err;
+
+out_close:
+        os_close_file(fds[0]);
+        os_close_file(fds[1]);
+out:
+        return err;
 }
 
 static int slip_open(void *data)
@@ -123,21 +133,26 @@ static int slip_open(void *data)
                          NULL };
         int sfd, mfd, err;
 
-        mfd = get_pty();
-        if(mfd < 0){
-                printk("umn : Failed to open pty, err = %d\n", -mfd);
-                return(mfd);
+        err = get_pty();
+        if(err < 0){
+                printk("slip-open : Failed to open pty, err = %d\n", -err);
+                goto out;
         }
-        sfd = os_open_file(ptsname(mfd), of_rdwr(OPENFLAGS()), 0);
-        if(sfd < 0){
-                printk("Couldn't open tty for slip line, err = %d\n", -sfd);
-                os_close_file(mfd);
-                return(sfd);
+        mfd = err;
+
+        err = os_open_file(ptsname(mfd), of_rdwr(OPENFLAGS()), 0);
+        if(err < 0){
+                printk("Couldn't open tty for slip line, err = %d\n", -err);
+                goto out_close;
         }
-        if(set_up_tty(sfd)) return(-1);
+        sfd = err;
+
+        if(set_up_tty(sfd))
+                goto out_close2;
+
         pri->slave = sfd;
-        pri->pos = 0;
-        pri->esc = 0;
+        pri->slip.pos = 0;
+        pri->slip.esc = 0;
         if(pri->gate_addr != NULL){
                 sprintf(version_buf, "%d", UML_NET_VERSION);
                 strcpy(gate_buf, pri->gate_addr);
@@ -146,12 +161,12 @@ static int slip_open(void *data)
 
                 if(err < 0){
                         printk("slip_tramp failed - err = %d\n", -err);
-                        return(err);
+                        goto out_close2;
                 }
                 err = os_get_ifname(pri->slave, pri->name);
                 if(err < 0){
                         printk("get_ifname failed, err = %d\n", -err);
-                        return(err);
+                        goto out_close2;
                 }
                 iter_addresses(pri->dev, open_addr, pri->name);
         }
@@ -160,10 +175,16 @@ static int slip_open(void *data)
                 if(err < 0){
                         printk("Failed to set slip discipline encapsulation - "
                                "err = %d\n", -err);
-                        return(err);
+                        goto out_close2;
                 }
         }
         return(mfd);
+out_close2:
+        os_close_file(sfd);
+out_close:
+        os_close_file(mfd);
+out:
+        return err;
 }
 
 static void slip_close(int fd, void *data)
@@ -190,48 +211,12 @@ static void slip_close(int fd, void *data)
 
 int slip_user_read(int fd, void *buf, int len, struct slip_data *pri)
 {
-        int i, n, size, start;
-
-        if(pri->more>0) {
-                i = 0;
-                while(i < pri->more) {
-                        size = slip_unesc(pri->ibuf[i++],
-                                        pri->ibuf, &pri->pos, &pri->esc);
-                        if(size){
-                                memcpy(buf, pri->ibuf, size);
-                                memmove(pri->ibuf, &pri->ibuf[i], pri->more-i);
-                                pri->more=pri->more-i; 
-                                return(size);
-                        }
-                }
-                pri->more=0;
-        }
-
-        n = net_read(fd, &pri->ibuf[pri->pos], sizeof(pri->ibuf) - pri->pos);
-        if(n <= 0) return(n);
-
-        start = pri->pos;
-        for(i = 0; i < n; i++){
-                size = slip_unesc(pri->ibuf[start + i],
-                                pri->ibuf, &pri->pos, &pri->esc);
-                if(size){
-                        memcpy(buf, pri->ibuf, size);
-                        memmove(pri->ibuf, &pri->ibuf[start+i+1], n-(i+1));
-                        pri->more=n-(i+1); 
-                        return(size);
-                }
-        }
-        return(0);
+        return slip_proto_read(fd, buf, len, &pri->slip);
 }
 
 int slip_user_write(int fd, void *buf, int len, struct slip_data *pri)
 {
-        int actual, n;
-
-        actual = slip_esc(buf, pri->obuf, len);
-        n = net_write(fd, pri->obuf, actual);
-        if(n < 0) return(n);
-        else return(len);
+        return slip_proto_write(fd, buf, len, &pri->slip);
 }
 
 static int slip_set_mtu(int mtu, void *data)
@@ -267,14 +252,3 @@ struct net_user_info slip_user_info = {
         .delete_address = slip_del_addr,
         .max_packet     = BUF_SIZE
 };
-
-/*
- * 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/drivers/slirp.h b/arch/um/drivers/slirp.h
index 04e407d1e44a..6cf88ab580c9 100644
--- a/arch/um/drivers/slirp.h
+++ b/arch/um/drivers/slirp.h
@@ -1,10 +1,7 @@
 #ifndef __UM_SLIRP_H
 #define __UM_SLIRP_H
 
-#define BUF_SIZE 1500
- /* two bytes each for a (pathological) max packet of escaped chars +  * 
-  * terminating END char + initial END char                            */
-#define ENC_BUF_SIZE (2 * BUF_SIZE + 2)
+#include "slip_common.h"
 
 #define SLIRP_MAX_ARGS 100
 /*
@@ -24,28 +21,13 @@ struct slirp_data {
         struct arg_list_dummy_wrapper argw;
         int pid;
         int slave;
-        char ibuf[ENC_BUF_SIZE];
-        char obuf[ENC_BUF_SIZE];
-        int more; /* more data: do not read fd until ibuf has been drained */
-        int pos;
-        int esc;
+        struct slip_proto slip;
 };
 
 extern struct net_user_info slirp_user_info;
 
-extern int set_umn_addr(int fd, char *addr, char *ptp_addr);
 extern int slirp_user_read(int fd, void *buf, int len, struct slirp_data *pri);
-extern int slirp_user_write(int fd, void *buf, int len, struct slirp_data *pri);
+extern int slirp_user_write(int fd, void *buf, int len,
+                            struct slirp_data *pri);
 
 #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/drivers/slirp_kern.c b/arch/um/drivers/slirp_kern.c
index c9d6b52a831d..9864d27afdbe 100644
--- a/arch/um/drivers/slirp_kern.c
+++ b/arch/um/drivers/slirp_kern.c
@@ -25,10 +25,7 @@ void slirp_init(struct net_device *dev, void *data)
                 { .argw         = init->argw,
                   .pid          = -1,
                   .slave        = -1,
-                  .ibuf         = { '\0' },
-                  .obuf         = { '\0' },
-                  .pos          = 0,
-                  .esc          = 0,
+                  .slip         = SLIP_PROTO_INIT,
                   .dev          = dev });
 
         dev->init = NULL;
diff --git a/arch/um/drivers/slirp_user.c b/arch/um/drivers/slirp_user.c
index c322515c71cc..8d91f663d82c 100644
--- a/arch/um/drivers/slirp_user.c
+++ b/arch/um/drivers/slirp_user.c
@@ -12,7 +12,7 @@
 #include "user.h"
 #include "net_user.h"
 #include "slirp.h"
-#include "slip_proto.h"
+#include "slip_common.h"
 #include "helper.h"
 #include "os.h"
 
@@ -48,47 +48,32 @@ static int slirp_tramp(char **argv, int fd)
         return(pid);
 }
 
-/* XXX This is just a trivial wrapper around os_pipe */
-static int slirp_datachan(int *mfd, int *sfd)
-{
-        int fds[2], err;
-
-        err = os_pipe(fds, 1, 1);
-        if(err < 0){
-                printk("slirp_datachan: Failed to open pipe, err = %d\n", -err);
-                return(err);
-        }
-
-        *mfd = fds[0];
-        *sfd = fds[1];
-        return(0);
-}
-
 static int slirp_open(void *data)
 {
         struct slirp_data *pri = data;
-        int sfd, mfd, pid, err;
+        int fds[2], pid, err;
 
-        err = slirp_datachan(&mfd, &sfd);
+        err = os_pipe(fds, 1, 1);
         if(err)
                 return(err);
 
-        pid = slirp_tramp(pri->argw.argv, sfd);
-
-        if(pid < 0){
-                printk("slirp_tramp failed - errno = %d\n", -pid);
-                os_close_file(sfd);     
-                os_close_file(mfd);     
-                return(pid);
+        err = slirp_tramp(pri->argw.argv, fds[1]);
+        if(err < 0){
+                printk("slirp_tramp failed - errno = %d\n", -err);
+                goto out;
         }
-
-        pri->slave = sfd;
-        pri->pos = 0;
-        pri->esc = 0;
-
-        pri->pid = pid;
-
-        return(mfd);
+        pid = err;
+
+        pri->slave = fds[1];
+        pri->slip.pos = 0;
+        pri->slip.esc = 0;
+        pri->pid = err;
+
+        return(fds[0]);
+out:
+        os_close_file(fds[0]);
+        os_close_file(fds[1]);
+        return err;
 }
 
 static void slirp_close(int fd, void *data)
@@ -129,48 +114,12 @@ static void slirp_close(int fd, void *data)
 
 int slirp_user_read(int fd, void *buf, int len, struct slirp_data *pri)
 {
-        int i, n, size, start;
-
-        if(pri->more>0) {
-                i = 0;
-                while(i < pri->more) {
-                        size = slip_unesc(pri->ibuf[i++],
-                                        pri->ibuf,&pri->pos,&pri->esc);
-                        if(size){
-                                memcpy(buf, pri->ibuf, size);
-                                memmove(pri->ibuf, &pri->ibuf[i], pri->more-i);
-                                pri->more=pri->more-i; 
-                                return(size);
-                        }
-                }
-                pri->more=0;
-        }
-
-        n = net_read(fd, &pri->ibuf[pri->pos], sizeof(pri->ibuf) - pri->pos);
-        if(n <= 0) return(n);
-
-        start = pri->pos;
-        for(i = 0; i < n; i++){
-                size = slip_unesc(pri->ibuf[start + i],
-                                pri->ibuf,&pri->pos,&pri->esc);
-                if(size){
-                        memcpy(buf, pri->ibuf, size);
-                        memmove(pri->ibuf, &pri->ibuf[start+i+1], n-(i+1));
-                        pri->more=n-(i+1); 
-                        return(size);
-                }
-        }
-        return(0);
+        return slip_proto_read(fd, buf, len, &pri->slip);
 }
 
 int slirp_user_write(int fd, void *buf, int len, struct slirp_data *pri)
 {
-        int actual, n;
-
-        actual = slip_esc(buf, pri->obuf, len);
-        n = net_write(fd, pri->obuf, actual);
-        if(n < 0) return(n);
-        else return(len);
+        return slip_proto_write(fd, buf, len, &pri->slip);
 }
 
 static int slirp_set_mtu(int mtu, void *data)
@@ -188,14 +137,3 @@ struct net_user_info slirp_user_info = {
         .delete_address = NULL,
         .max_packet     = BUF_SIZE
 };
-
-/*
- * 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/drivers/ssl.c b/arch/um/drivers/ssl.c
index a2bac429f3d4..b32a77010fbe 100644
--- a/arch/um/drivers/ssl.c
+++ b/arch/um/drivers/ssl.c
@@ -22,7 +22,6 @@
 #include "init.h"
 #include "irq_user.h"
 #include "mconsole_kern.h"
-#include "2_5compat.h"
 
 static int ssl_version = 1;
 
diff --git a/arch/um/drivers/stderr_console.c b/arch/um/drivers/stderr_console.c
index 98565b53d170..429ae8e6c7e5 100644
--- a/arch/um/drivers/stderr_console.c
+++ b/arch/um/drivers/stderr_console.c
@@ -22,9 +22,9 @@ static void stderr_console_write(struct console *console, const char *string,
 }
 
 static struct console stderr_console = {
-        .name           "stderr",
-        .write          stderr_console_write,
-        .flags          CON_PRINTBUFFER,
+        .name           = "stderr",
+        .write          = stderr_console_write,
+        .flags          = CON_PRINTBUFFER,
 };
 
 static int __init stderr_console_init(void)
diff --git a/arch/um/drivers/stdio_console.c b/arch/um/drivers/stdio_console.c
index 361d0be342b3..afbe1e71ed83 100644
--- a/arch/um/drivers/stdio_console.c
+++ b/arch/um/drivers/stdio_console.c
@@ -28,7 +28,6 @@
 #include "irq_user.h"
 #include "mconsole_kern.h"
 #include "init.h"
-#include "2_5compat.h"
 
 #define MAX_TTYS (16)
 
diff --git a/arch/um/drivers/ubd_kern.c b/arch/um/drivers/ubd_kern.c
index 88f956c34fed..2a7f6892c55c 100644
--- a/arch/um/drivers/ubd_kern.c
+++ b/arch/um/drivers/ubd_kern.c
@@ -49,7 +49,6 @@
 #include "irq_user.h"
 #include "irq_kern.h"
 #include "ubd_user.h"
-#include "2_5compat.h"
 #include "os.h"
 #include "mem.h"
 #include "mem_kern.h"
@@ -440,9 +439,9 @@ static int udb_setup(char *str)
 __setup("udb", udb_setup);
 __uml_help(udb_setup,
 "udb\n"
-"    This option is here solely to catch ubd -> udb typos, which can be\n\n"
-"    to impossible to catch visually unless you specifically look for\n\n"
-"    them.  The only result of any option starting with 'udb' is an error\n\n"
+"    This option is here solely to catch ubd -> udb typos, which can be\n"
+"    to impossible to catch visually unless you specifically look for\n"
+"    them.  The only result of any option starting with 'udb' is an error\n"
 "    in the boot output.\n\n"
 );
 
diff --git a/arch/um/include/2_5compat.h b/arch/um/include/2_5compat.h
deleted file mode 100644
index abdb015a4d71..000000000000
--- a/arch/um/include/2_5compat.h
+++ /dev/null
@@ -1,24 +0,0 @@
-/* 
- * Copyright (C) 2001 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#ifndef __2_5_COMPAT_H__
-#define __2_5_COMPAT_H__
-
-#define INIT_HARDSECT(arr, maj, sizes)
-
-#define SET_PRI(task) do ; while(0)
-
-#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/include/mconsole.h b/arch/um/include/mconsole.h
index 9fbe3083fdd8..cfa368e045a5 100644
--- a/arch/um/include/mconsole.h
+++ b/arch/um/include/mconsole.h
@@ -56,7 +56,7 @@ struct mc_request
         int as_interrupt;
 
         int originating_fd;
-        int originlen;
+        unsigned int originlen;
         unsigned char origin[128];                      /* sockaddr_un */
 
         struct mconsole_request request;
diff --git a/arch/um/include/net_user.h b/arch/um/include/net_user.h
index 36807b796e9f..89885a77a771 100644
--- a/arch/um/include/net_user.h
+++ b/arch/um/include/net_user.h
@@ -35,7 +35,7 @@ extern void *get_output_buffer(int *len_out);
 extern void free_output_buffer(void *buffer);
 
 extern int tap_open_common(void *dev, char *gate_addr);
-extern void tap_check_ips(char *gate_addr, char *eth_addr);
+extern void tap_check_ips(char *gate_addr, unsigned char *eth_addr);
 
 extern void read_output(int fd, char *output_out, int len);
 
diff --git a/arch/um/include/os.h b/arch/um/include/os.h
index d246d5a24609..881d2988d2d8 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -136,7 +136,7 @@ extern int os_seek_file(int fd, __u64 offset);
 extern int os_open_file(char *file, struct openflags flags, int mode);
 extern int os_read_file(int fd, void *buf, int len);
 extern int os_write_file(int fd, const void *buf, int count);
-extern int os_file_size(char *file, long long *size_out);
+extern int os_file_size(char *file, unsigned long long *size_out);
 extern int os_file_modtime(char *file, unsigned long *modtime);
 extern int os_pipe(int *fd, int stream, int close_on_exec);
 extern int os_set_fd_async(int fd, int owner);
diff --git a/arch/um/include/sysdep-i386/ptrace.h b/arch/um/include/sysdep-i386/ptrace.h
index 6eaeb9919983..c8ee9559f3ab 100644
--- a/arch/um/include/sysdep-i386/ptrace.h
+++ b/arch/um/include/sysdep-i386/ptrace.h
@@ -8,6 +8,8 @@
 
 #include "uml-config.h"
 #include "user_constants.h"
+#include "sysdep/faultinfo.h"
+#include "choose-mode.h"
 
 #define MAX_REG_NR (UM_FRAME_SIZE / sizeof(unsigned long))
 #define MAX_REG_OFFSET (UM_FRAME_SIZE)
@@ -58,9 +60,6 @@ extern int sysemu_supported;
 #define PTRACE_SYSEMU_SINGLESTEP 32
 #endif
 
-#include "sysdep/faultinfo.h"
-#include "choose-mode.h"
-
 union uml_pt_regs {
 #ifdef UML_CONFIG_MODE_TT
         struct tt_regs {
diff --git a/arch/um/include/sysrq.h b/arch/um/include/sysrq.h
index 2ce9423460b3..c8d332b56b98 100644
--- a/arch/um/include/sysrq.h
+++ b/arch/um/include/sysrq.h
@@ -1,6 +1,7 @@
 #ifndef __UM_SYSRQ_H
 #define __UM_SYSRQ_H
 
-extern void show_trace(unsigned long *stack);
+struct task_struct;
+extern void show_trace(struct task_struct* task, unsigned long *stack);
 
 #endif
diff --git a/arch/um/include/user_util.h b/arch/um/include/user_util.h
index b8c5b8a95250..7b6a24dfd302 100644
--- a/arch/um/include/user_util.h
+++ b/arch/um/include/user_util.h
@@ -41,9 +41,6 @@ extern unsigned long highmem;
 extern char host_info[];
 
 extern char saved_command_line[];
-extern char command_line[];
-
-extern char *tempdir;
 
 extern unsigned long _stext, _etext, _sdata, _edata, __bss_start, _end;
 extern unsigned long _unprotected_end;
diff --git a/arch/um/kernel/exec_kern.c b/arch/um/kernel/exec_kern.c
index 49ddabe69be7..efd222ffe20e 100644
--- a/arch/um/kernel/exec_kern.c
+++ b/arch/um/kernel/exec_kern.c
@@ -16,7 +16,6 @@
 #include "kern.h"
 #include "irq_user.h"
 #include "tlb.h"
-#include "2_5compat.h"
 #include "os.h"
 #include "time_user.h"
 #include "choose-mode.h"
diff --git a/arch/um/kernel/initrd_kern.c b/arch/um/kernel/initrd_kern.c
deleted file mode 100644
index fc568af468b9..000000000000
--- a/arch/um/kernel/initrd_kern.c
+++ /dev/null
@@ -1,59 +0,0 @@
-/*
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include "linux/init.h"
-#include "linux/bootmem.h"
-#include "linux/initrd.h"
-#include "asm/types.h"
-#include "user_util.h"
-#include "kern_util.h"
-#include "initrd.h"
-#include "init.h"
-#include "os.h"
-
-/* Changed by uml_initrd_setup, which is a setup */
-static char *initrd __initdata = NULL;
-
-static int __init read_initrd(void)
-{
-        void *area;
-        long long size;
-        int err;
-
-        if(initrd == NULL) return 0;
-        err = os_file_size(initrd, &size);
-        if(err) return 0;
-        area = alloc_bootmem(size);
-        if(area == NULL) return 0;
-        if(load_initrd(initrd, area, size) == -1) return 0;
-        initrd_start = (unsigned long) area;
-        initrd_end = initrd_start + size;
-        return 0;
-}
-
-__uml_postsetup(read_initrd);
-
-static int __init uml_initrd_setup(char *line, int *add)
-{
-        initrd = line;
-        return 0;
-}
-
-__uml_setup("initrd=", uml_initrd_setup, 
-"initrd=<initrd image>\n"
-"    This is used to boot UML from an initrd image.  The argument is the\n"
-"    name of the file containing the image.\n\n"
-);
-
-/*
- * 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/initrd_user.c b/arch/um/kernel/initrd_user.c
deleted file mode 100644
index cb90681e151c..000000000000
--- a/arch/um/kernel/initrd_user.c
+++ /dev/null
@@ -1,46 +0,0 @@
-/*
- * Copyright (C) 2000, 2001 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-
-#include <unistd.h>
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <errno.h>
-
-#include "user_util.h"
-#include "kern_util.h"
-#include "user.h"
-#include "initrd.h"
-#include "os.h"
-
-int load_initrd(char *filename, void *buf, int size)
-{
-        int fd, n;
-
-        fd = os_open_file(filename, of_read(OPENFLAGS()), 0);
-        if(fd < 0){
-                printk("Opening '%s' failed - err = %d\n", filename, -fd);
-                return(-1);
-        }
-        n = os_read_file(fd, buf, size);
-        if(n != size){
-                printk("Read of %d bytes from '%s' failed, err = %d\n", size,
-                       filename, -n);
-                return(-1);
-        }
-
-        os_close_file(fd);
-        return(0);
-}
-
-/*
- * 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/main.c b/arch/um/kernel/main.c
index a17c49703f9b..e59f58152678 100644
--- a/arch/um/kernel/main.c
+++ b/arch/um/kernel/main.c
@@ -24,8 +24,6 @@
 #include "mode.h"
 #include "choose-mode.h"
 #include "uml-config.h"
-#include "irq_user.h"
-#include "time_user.h"
 #include "os.h"
 
 /* Set in set_stklim, which is called from main and __wrap_malloc.
@@ -71,7 +69,7 @@ static __init void do_uml_initcalls(void)
 
 static void last_ditch_exit(int sig)
 {
-        CHOOSE_MODE(kmalloc_ok = 0, (void) 0);
+        kmalloc_ok = 0;
         signal(SIGINT, SIG_DFL);
         signal(SIGTERM, SIG_DFL);
         signal(SIGHUP, SIG_DFL);
@@ -87,7 +85,7 @@ int main(int argc, char **argv, char **envp)
 {
         char **new_argv;
         sigset_t mask;
-        int ret, i;
+        int ret, i, err;
 
         /* Enable all signals except SIGIO - in some environments, we can
          * enter with some signals blocked
@@ -160,27 +158,29 @@ int main(int argc, char **argv, char **envp)
          */
         change_sig(SIGPROF, 0);
 
-        /* Reboot */
-        if(ret){
-                int err;
+        /* This signal stuff used to be in the reboot case.  However,
+         * sometimes a SIGVTALRM can come in when we're halting (reproducably
+         * when writing out gcov information, presumably because that takes
+         * some time) and cause a segfault.
+         */
 
-                printf("\n");
+        /* stop timers and set SIG*ALRM to be ignored */
+        disable_timer();
 
-                /* stop timers and set SIG*ALRM to be ignored */
-                disable_timer();
+        /* disable SIGIO for the fds and set SIGIO to be ignored */
+        err = deactivate_all_fds();
+        if(err)
+                printf("deactivate_all_fds failed, errno = %d\n", -err);
 
-                /* disable SIGIO for the fds and set SIGIO to be ignored */
-                err = deactivate_all_fds();
-                if(err)
-                        printf("deactivate_all_fds failed, errno = %d\n",
-                               -err);
-
-                /* Let any pending signals fire now.  This ensures
-                 * that they won't be delivered after the exec, when
-                 * they are definitely not expected.
-                 */
-                unblock_signals();
+        /* Let any pending signals fire now.  This ensures
+         * that they won't be delivered after the exec, when
+         * they are definitely not expected.
+         */
+        unblock_signals();
 
+        /* Reboot */
+        if(ret){
+                printf("\n");
                 execvp(new_argv[0], new_argv);
                 perror("Failed to exec kernel");
                 ret = 1;
diff --git a/arch/um/kernel/process.c b/arch/um/kernel/process.c
index 51f8e5a8ac6a..1b5ef3e96c71 100644
--- a/arch/um/kernel/process.c
+++ b/arch/um/kernel/process.c
@@ -30,7 +30,6 @@
 #include "init.h"
 #include "os.h"
 #include "uml-config.h"
-#include "ptrace_user.h"
 #include "choose-mode.h"
 #include "mode.h"
 #ifdef UML_CONFIG_MODE_SKAS
@@ -131,7 +130,7 @@ int start_fork_tramp(void *thread_arg, unsigned long temp_stack,
         return(arg.pid);
 }
 
-static int ptrace_child(void *arg)
+static int ptrace_child(void)
 {
         int ret;
         int pid = os_getpid(), ppid = getppid();
@@ -160,20 +159,16 @@ static int ptrace_child(void *arg)
         _exit(ret);
 }
 
-static int start_ptraced_child(void **stack_out)
+static int start_ptraced_child(void)
 {
-        void *stack;
-        unsigned long sp;
         int pid, n, status;
         
-        stack = mmap(NULL, PAGE_SIZE, PROT_READ | PROT_WRITE | PROT_EXEC,
-                     MAP_PRIVATE | MAP_ANONYMOUS, -1, 0);
-        if(stack == MAP_FAILED)
-                panic("check_ptrace : mmap failed, errno = %d", errno);
-        sp = (unsigned long) stack + PAGE_SIZE - sizeof(void *);
-        pid = clone(ptrace_child, (void *) sp, SIGCHLD, NULL);
+        pid = fork();
+        if(pid == 0)
+                ptrace_child();
+
         if(pid < 0)
-                panic("check_ptrace : clone failed, errno = %d", errno);
+                panic("check_ptrace : fork failed, errno = %d", errno);
         CATCH_EINTR(n = waitpid(pid, &status, WUNTRACED));
         if(n < 0)
                 panic("check_ptrace : wait failed, errno = %d", errno);
@@ -181,7 +176,6 @@ static int start_ptraced_child(void **stack_out)
                 panic("check_ptrace : expected SIGSTOP, got status = %d",
                       status);
 
-        *stack_out = stack;
         return(pid);
 }
 
@@ -189,12 +183,12 @@ static int start_ptraced_child(void **stack_out)
  * just avoid using sysemu, not panic, but only if SYSEMU features are broken.
  * So only for SYSEMU features we test mustpanic, while normal host features
  * must work anyway!*/
-static int stop_ptraced_child(int pid, void *stack, int exitcode, int mustpanic)
+static int stop_ptraced_child(int pid, int exitcode, int mustexit)
 {
         int status, n, ret = 0;
 
         if(ptrace(PTRACE_CONT, pid, 0, 0) < 0)
-                panic("check_ptrace : ptrace failed, errno = %d", errno);
+                panic("stop_ptraced_child : ptrace failed, errno = %d", errno);
         CATCH_EINTR(n = waitpid(pid, &status, 0));
         if(!WIFEXITED(status) || (WEXITSTATUS(status) != exitcode)) {
                 int exit_with = WEXITSTATUS(status);
@@ -205,15 +199,13 @@ static int stop_ptraced_child(int pid, void *stack, int exitcode, int mustpanic)
                 printk("check_ptrace : child exited with exitcode %d, while "
                       "expecting %d; status 0x%x", exit_with,
                       exitcode, status);
-                if (mustpanic)
+                if (mustexit)
                         panic("\n");
                 else
                         printk("\n");
                 ret = -1;
         }
 
-        if(munmap(stack, PAGE_SIZE) < 0)
-                panic("check_ptrace : munmap failed, errno = %d", errno);
         return ret;
 }
 
@@ -235,12 +227,11 @@ __uml_setup("nosysemu", nosysemu_cmd_param,
 
 static void __init check_sysemu(void)
 {
-        void *stack;
         int pid, syscall, n, status, count=0;
 
         printk("Checking syscall emulation patch for ptrace...");
         sysemu_supported = 0;
-        pid = start_ptraced_child(&stack);
+        pid = start_ptraced_child();
 
         if(ptrace(PTRACE_SYSEMU, pid, 0, 0) < 0)
                 goto fail;
@@ -258,7 +249,7 @@ static void __init check_sysemu(void)
                 panic("check_sysemu : failed to modify system "
                       "call return, errno = %d", errno);
 
-        if (stop_ptraced_child(pid, stack, 0, 0) < 0)
+        if (stop_ptraced_child(pid, 0, 0) < 0)
                 goto fail_stopped;
 
         sysemu_supported = 1;
@@ -266,7 +257,7 @@ static void __init check_sysemu(void)
         set_using_sysemu(!force_sysemu_disabled);
 
         printk("Checking advanced syscall emulation patch for ptrace...");
-        pid = start_ptraced_child(&stack);
+        pid = start_ptraced_child();
         while(1){
                 count++;
                 if(ptrace(PTRACE_SYSEMU_SINGLESTEP, pid, 0, 0) < 0)
@@ -291,7 +282,7 @@ static void __init check_sysemu(void)
                         break;
                 }
         }
-        if (stop_ptraced_child(pid, stack, 0, 0) < 0)
+        if (stop_ptraced_child(pid, 0, 0) < 0)
                 goto fail_stopped;
 
         sysemu_supported = 2;
@@ -302,18 +293,17 @@ static void __init check_sysemu(void)
         return;
 
 fail:
-        stop_ptraced_child(pid, stack, 1, 0);
+        stop_ptraced_child(pid, 1, 0);
 fail_stopped:
         printk("missing\n");
 }
 
 void __init check_ptrace(void)
 {
-        void *stack;
         int pid, syscall, n, status;
 
         printk("Checking that ptrace can change system call numbers...");
-        pid = start_ptraced_child(&stack);
+        pid = start_ptraced_child();
 
         if (ptrace(PTRACE_OLDSETOPTIONS, pid, 0, (void *)PTRACE_O_TRACESYSGOOD) < 0)
                 panic("check_ptrace: PTRACE_SETOPTIONS failed, errno = %d", errno);
@@ -340,7 +330,7 @@ void __init check_ptrace(void)
                         break;
                 }
         }
-        stop_ptraced_child(pid, stack, 0, 1);
+        stop_ptraced_child(pid, 0, 1);
         printk("OK\n");
         check_sysemu();
 }
@@ -372,11 +362,10 @@ void forward_pending_sigio(int target)
 static inline int check_skas3_ptrace_support(void)
 {
         struct ptrace_faultinfo fi;
-        void *stack;
         int pid, n, ret = 1;
 
         printf("Checking for the skas3 patch in the host...");
-        pid = start_ptraced_child(&stack);
+        pid = start_ptraced_child();
 
         n = ptrace(PTRACE_FAULTINFO, pid, 0, &fi);
         if (n < 0) {
@@ -391,7 +380,7 @@ static inline int check_skas3_ptrace_support(void)
         }
 
         init_registers(pid);
-        stop_ptraced_child(pid, stack, 1, 1);
+        stop_ptraced_child(pid, 1, 1);
 
         return(ret);
 }
diff --git a/arch/um/kernel/process_kern.c b/arch/um/kernel/process_kern.c
index c1adf7ba3fd1..804c6bbdf67c 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -43,7 +43,6 @@
 #include "tlb.h"
 #include "frame_kern.h"
 #include "sigcontext.h"
-#include "2_5compat.h"
 #include "os.h"
 #include "mode.h"
 #include "mode_kern.h"
@@ -55,18 +54,6 @@
  */
 struct cpu_task cpu_tasks[NR_CPUS] = { [0 ... NR_CPUS - 1] = { -1, NULL } };
 
-struct task_struct *get_task(int pid, int require)
-{
-        struct task_struct *ret;
-
-        read_lock(&tasklist_lock);
-        ret = find_task_by_pid(pid);
-        read_unlock(&tasklist_lock);
-
-        if(require && (ret == NULL)) panic("get_task couldn't find a task\n");
-        return(ret);
-}
-
 int external_pid(void *t)
 {
         struct task_struct *task = t ? t : current;
@@ -189,7 +176,6 @@ void default_idle(void)
 
         while(1){
                 /* endless idle loop with no priority at all */
-                SET_PRI(current);
 
                 /*
                  * although we are an idle CPU, we do not want to
@@ -212,11 +198,6 @@ int page_size(void)
         return(PAGE_SIZE);
 }
 
-unsigned long page_mask(void)
-{
-        return(PAGE_MASK);
-}
-
 void *um_virt_to_phys(struct task_struct *task, unsigned long addr, 
                       pte_t *pte_out)
 {
@@ -349,11 +330,6 @@ char *uml_strdup(char *string)
         return(new);
 }
 
-void *get_init_task(void)
-{
-        return(&init_thread_union.thread_info.task);
-}
-
 int copy_to_user_proc(void __user *to, void *from, int size)
 {
         return(copy_to_user(to, from, size));
@@ -480,15 +456,3 @@ unsigned long arch_align_stack(unsigned long sp)
         return sp & ~0xf;
 }
 #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/ptrace.c b/arch/um/kernel/ptrace.c
index 2925e15324de..71af4d503899 100644
--- a/arch/um/kernel/ptrace.c
+++ b/arch/um/kernel/ptrace.c
@@ -322,11 +322,9 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit)
                                             UPT_SYSCALL_ARG2(regs),
                                             UPT_SYSCALL_ARG3(regs),
                                             UPT_SYSCALL_ARG4(regs));
-                else {
-                        int res = UPT_SYSCALL_RET(regs);
-                        audit_syscall_exit(current, AUDITSC_RESULT(res),
-                                           res);
-                }
+                else audit_syscall_exit(current,
+                                        AUDITSC_RESULT(UPT_SYSCALL_RET(regs)),
+                                        UPT_SYSCALL_RET(regs));
         }
 
         /* Fake a debug trap */
@@ -356,14 +354,3 @@ void syscall_trace(union uml_pt_regs *regs, int entryexit)
                 current->exit_code = 0;
         }
 }
-
-/*
- * 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/skas/process_kern.c b/arch/um/kernel/skas/process_kern.c
index ab5d3271da0b..fc71ef295782 100644
--- a/arch/um/kernel/skas/process_kern.c
+++ b/arch/um/kernel/skas/process_kern.c
@@ -68,8 +68,11 @@ void new_thread_handler(int sig)
          * 0 if it just exits
          */
         n = run_kernel_thread(fn, arg, &current->thread.exec_buf);
-        if(n == 1)
+        if(n == 1){
+                /* Handle any immediate reschedules or signals */
+                interrupt_end();
                 userspace(&current->thread.regs.regs);
+        }
         else do_exit(0);
 }
 
@@ -96,6 +99,8 @@ void fork_handler(int sig)
         schedule_tail(current->thread.prev_sched);
         current->thread.prev_sched = NULL;
 
+        /* Handle any immediate reschedules or signals */
+        interrupt_end();
         userspace(&current->thread.regs.regs);
 }
 
diff --git a/arch/um/kernel/sysrq.c b/arch/um/kernel/sysrq.c
index e630438f9e73..f80850091e79 100644
--- a/arch/um/kernel/sysrq.c
+++ b/arch/um/kernel/sysrq.c
@@ -3,6 +3,7 @@
  * Licensed under the GPL
  */
 
+#include "linux/config.h"
 #include "linux/sched.h"
 #include "linux/kernel.h"
 #include "linux/module.h"
@@ -12,14 +13,14 @@
 #include "sysrq.h"
 #include "user_util.h"
 
-void show_trace(unsigned long * stack)
+/* Catch non-i386 SUBARCH's. */
+#if !defined(CONFIG_UML_X86) || defined(CONFIG_64BIT)
+void show_trace(struct task_struct *task, unsigned long * stack)
 {
-        /* XXX: Copy the CONFIG_FRAME_POINTER stack-walking backtrace from
-         * arch/i386/kernel/traps.c, and then move this to sys-i386/sysrq.c.*/
         unsigned long addr;
 
         if (!stack) {
-                stack = (unsigned long*) &stack;
+                stack = (unsigned long*) &stack;
                 WARN_ON(1);
         }
 
@@ -35,6 +36,7 @@ void show_trace(unsigned long * stack)
         }
         printk("\n");
 }
+#endif
 
 /*
  * stack dumps generator - this is used by arch-independent code.
@@ -44,7 +46,7 @@ void dump_stack(void)
 {
         unsigned long stack;
 
-        show_trace(&stack);
+        show_trace(current, &stack);
 }
 EXPORT_SYMBOL(dump_stack);
 
@@ -59,7 +61,11 @@ void show_stack(struct task_struct *task, unsigned long *esp)
         int i;
 
         if (esp == NULL) {
-                if (task != current) {
+                if (task != current && task != NULL) {
+                        /* XXX: Isn't this bogus? I.e. isn't this the
+                         * *userspace* stack of this task? If not so, use this
+                         * even when task == current (as in i386).
+                         */
                         esp = (unsigned long *) KSTK_ESP(task);
                         /* Which one? No actual difference - just coding style.*/
                         //esp = (unsigned long *) PT_REGS_IP(&task->thread.regs);
@@ -77,5 +83,6 @@ void show_stack(struct task_struct *task, unsigned long *esp)
                 printk("%08lx ", *stack++);
         }
 
-        show_trace(esp);
+        printk("Call Trace: \n");
+        show_trace(current, esp);
 }
diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c
index 1de22d8a313a..c20aef120598 100644
--- a/arch/um/kernel/trap_kern.c
+++ b/arch/um/kernel/trap_kern.c
@@ -23,7 +23,6 @@
 #include "kern.h"
 #include "chan_kern.h"
 #include "mconsole_kern.h"
-#include "2_5compat.h"
 #include "mem.h"
 #include "mem_kern.h"
 
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index df810ca8fc12..776310fd5b8b 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -32,10 +32,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
         unsigned long flags;
         int err, vtalrm, alrm, prof, cpu;
         char c;
-        /* jailing and SMP are incompatible, so this doesn't need to be 
-         * made per-cpu 
-         */
-        static int reading;
 
         from = prev;
         to = next;
@@ -59,13 +55,11 @@ void *switch_to_tt(void *prev, void *next, void *last)
         c = 0;
         set_current(to);
 
-        reading = 0;
         err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c));
         if(err != sizeof(c))
                 panic("write of switch_pipe failed, err = %d", -err);
 
-        reading = 1;
-        if(from->thread.mode.tt.switch_pipe[0] == -1)
+        if(from->thread.mode.tt.switch_pipe[0] == -1)
                 os_kill_process(os_getpid(), 0);
 
         err = os_read_file(from->thread.mode.tt.switch_pipe[0], &c, sizeof(c));
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 4d10ec372a67..8736d098f0ee 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -26,7 +26,6 @@
 #include "asm/setup.h"
 #include "ubd_user.h"
 #include "asm/current.h"
-#include "asm/setup.h"
 #include "user_util.h"
 #include "kern_util.h"
 #include "kern.h"
@@ -111,12 +110,6 @@ struct seq_operations cpuinfo_op = {
         .show   = show_cpuinfo,
 };
 
-pte_t * __bad_pagetable(void)
-{
-        panic("Someone should implement __bad_pagetable");
-        return(NULL);
-}
-
 /* Set in linux_main */
 unsigned long host_task_size;
 unsigned long task_size;
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 9aee0b62ebca..f0d6060e3e57 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -45,7 +45,11 @@ __init void scan_elf_aux( char **envp)
                                 elf_aux_hwcap = auxv->a_un.a_val;
                                 break;
                         case AT_PLATFORM:
-                                elf_aux_platform = auxv->a_un.a_ptr;
+                                /* elf.h removed the pointer elements from
+                                 * a_un, so we have to use a_val, which is
+                                 * all that's left.
+                                 */
+                                elf_aux_platform = (char *) auxv->a_un.a_val;
                                 break;
                         case AT_PAGESZ:
                                 page_size = auxv->a_un.a_val;
diff --git a/arch/um/os-Linux/file.c b/arch/um/os-Linux/file.c
index 77d4066d1af8..fd45bb260907 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -363,7 +363,7 @@ int os_write_file(int fd, const void *buf, int len)
                        (int (*)(int, void *, int)) write, copy_to_user_proc));
 }
 
-int os_file_size(char *file, long long *size_out)
+int os_file_size(char *file, unsigned long long *size_out)
 {
         struct uml_stat buf;
         int err;
diff --git a/arch/um/scripts/Makefile.rules b/arch/um/scripts/Makefile.rules
index 0b2491883d9c..98346c711493 100644
--- a/arch/um/scripts/Makefile.rules
+++ b/arch/um/scripts/Makefile.rules
@@ -14,7 +14,7 @@ quiet_cmd_make_link = SYMLINK $@
 cmd_make_link       = ln -sf $(srctree)/arch/$(SUBARCH)/$($(notdir $@)-dir)/$(notdir $@) $@
 
 # this needs to be before the foreach, because targets does not accept
-# complete paths like $(obj)/$(f). To make sure this works, use a := assignment,
+# complete paths like $(obj)/$(f). To make sure this works, use a := assignment
 # or we will get $(obj)/$(f) in the "targets" value.
 # Also, this forces you to use the := syntax when assigning to targets.
 # Otherwise the line below will cause an infinite loop (if you don't know why,
diff --git a/arch/um/sys-i386/sysrq.c b/arch/um/sys-i386/sysrq.c
index 281fc7b8ca00..e3706d15c4f5 100644
--- a/arch/um/sys-i386/sysrq.c
+++ b/arch/um/sys-i386/sysrq.c
@@ -3,12 +3,15 @@
  * Licensed under the GPL
  */
 
+#include "linux/config.h"
 #include "linux/kernel.h"
 #include "linux/smp.h"
 #include "linux/sched.h"
+#include "linux/kallsyms.h"
 #include "asm/ptrace.h"
 #include "sysrq.h"
 
+/* This is declared by <linux/sched.h> */
 void show_regs(struct pt_regs *regs)
 {
         printk("\n");
@@ -31,5 +34,80 @@ void show_regs(struct pt_regs *regs)
                0xffff & PT_REGS_DS(regs), 
                0xffff & PT_REGS_ES(regs));
 
-        show_trace((unsigned long *) &regs);
+        show_trace(NULL, (unsigned long *) &regs);
 }
+
+/* Copied from i386. */
+static inline int valid_stack_ptr(struct thread_info *tinfo, void *p)
+{
+        return  p > (void *)tinfo &&
+                p < (void *)tinfo + THREAD_SIZE - 3;
+}
+
+/* Adapted from i386 (we also print the address we read from). */
+static inline unsigned long print_context_stack(struct thread_info *tinfo,
+                                unsigned long *stack, unsigned long ebp)
+{
+        unsigned long addr;
+
+#ifdef CONFIG_FRAME_POINTER
+        while (valid_stack_ptr(tinfo, (void *)ebp)) {
+                addr = *(unsigned long *)(ebp + 4);
+                printk("%08lx:  [<%08lx>]", ebp + 4, addr);
+                print_symbol(" %s", addr);
+                printk("\n");
+                ebp = *(unsigned long *)ebp;
+        }
+#else
+        while (valid_stack_ptr(tinfo, stack)) {
+                addr = *stack;
+                if (__kernel_text_address(addr)) {
+                        printk("%08lx:  [<%08lx>]", (unsigned long) stack, addr);
+                        print_symbol(" %s", addr);
+                        printk("\n");
+                }
+                stack++;
+        }
+#endif
+        return ebp;
+}
+
+void show_trace(struct task_struct* task, unsigned long * stack)
+{
+        unsigned long ebp;
+        struct thread_info *context;
+
+        /* Turn this into BUG_ON if possible. */
+        if (!stack) {
+                stack = (unsigned long*) &stack;
+                printk("show_trace: got NULL stack, implicit assumption task == current");
+                WARN_ON(1);
+        }
+
+        if (!task)
+                task = current;
+
+        if (task != current) {
+                //ebp = (unsigned long) KSTK_EBP(task);
+                /* Which one? No actual difference - just coding style.*/
+                ebp = (unsigned long) PT_REGS_EBP(&task->thread.regs);
+        } else {
+                asm ("movl %%ebp, %0" : "=r" (ebp) : );
+        }
+
+        context = (struct thread_info *)
+                ((unsigned long)stack & (~(THREAD_SIZE - 1)));
+        print_context_stack(context, stack, ebp);
+
+        /*while (((long) stack & (THREAD_SIZE-1)) != 0) {
+                addr = *stack;
+                if (__kernel_text_address(addr)) {
+                        printk("%08lx:  [<%08lx>]", (unsigned long) stack, addr);
+                        print_symbol(" %s", addr);
+                        printk("\n");
+                }
+                stack++;
+        }*/
+        printk("\n");
+}
+
diff --git a/arch/um/sys-ppc/sysrq.c b/arch/um/sys-ppc/sysrq.c
index 82d6e9335bb6..2f816f1a0ff4 100644
--- a/arch/um/sys-ppc/sysrq.c
+++ b/arch/um/sys-ppc/sysrq.c
@@ -27,17 +27,5 @@ void show_regs(struct pt_regs_subarch *regs)
                 0xffff & regs->xds, 0xffff & regs->xes);
 #endif
 
-        show_trace(&regs->gpr[1]);
+        show_trace(current, &regs->gpr[1]);
 }
-
-
-/*
- * 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/sys-x86_64/syscalls.c b/arch/um/sys-x86_64/syscalls.c
index d4a59657fb99..6f44f40204ed 100644
--- a/arch/um/sys-x86_64/syscalls.c
+++ b/arch/um/sys-x86_64/syscalls.c
@@ -133,23 +133,27 @@ static long arch_prctl_tt(int code, unsigned long addr)
 
 #ifdef CONFIG_MODE_SKAS
 
+/* XXX: Must also call arch_prctl in the host, beside saving the segment bases! */
 static long arch_prctl_skas(int code, unsigned long addr)
 {
         long ret = 0;
 
         switch(code){
-        case ARCH_SET_GS:
-                current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned long)] = addr;
-                break;
         case ARCH_SET_FS:
                 current->thread.regs.regs.skas.regs[FS_BASE / sizeof(unsigned long)] = addr;
                 break;
+        case ARCH_SET_GS:
+                current->thread.regs.regs.skas.regs[GS_BASE / sizeof(unsigned long)] = addr;
+                break;
         case ARCH_GET_FS:
-                ret = put_user(current->thread.regs.regs.skas.regs[GS / sizeof(unsigned long)], &addr);
+                ret = put_user(current->thread.regs.regs.skas.
+                                regs[FS_BASE / sizeof(unsigned long)],
+                                (unsigned long __user *)addr);
                 break;
         case ARCH_GET_GS:
-                ret = put_user(current->thread.regs.regs.skas.regs[FS / sizeof(unsigned \
-long)], &addr);
+                ret = put_user(current->thread.regs.regs.skas.
+                                regs[GS_BASE / sizeof(unsigned long)],
+                                (unsigned long __user *)addr);
                 break;
         default:
                 ret = -EINVAL;
diff --git a/arch/um/sys-x86_64/sysrq.c b/arch/um/sys-x86_64/sysrq.c
index ddf74691a610..d0a25af19a5b 100644
--- a/arch/um/sys-x86_64/sysrq.c
+++ b/arch/um/sys-x86_64/sysrq.c
@@ -36,14 +36,5 @@ void __show_regs(struct pt_regs * regs)
 void show_regs(struct pt_regs *regs)
 {
         __show_regs(regs);
-        show_trace((unsigned long *) &regs);
+        show_trace(current, (unsigned long *) &regs);
 }
-
-/* 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/x86_64/Kconfig b/arch/x86_64/Kconfig
index 82cb2a3f127a..289f448ac89c 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -305,6 +305,7 @@ config HPET_TIMER
 
 config X86_PM_TIMER
         bool "PM timer"
+        depends on ACPI
         default y
         help
           Support the ACPI PM timer for time keeping. This is slow,
@@ -421,7 +422,7 @@ config PCI_DIRECT
 
 config PCI_MMCONFIG
         bool "Support mmconfig PCI config space access"
-        depends on PCI
+        depends on PCI && ACPI
         select ACPI_BOOT
 
 config UNORDERED_IO
diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c
index a491f72cc966..504e63474993 100644
--- a/arch/x86_64/kernel/aperture.c
+++ b/arch/x86_64/kernel/aperture.c
@@ -33,12 +33,10 @@ int fallback_aper_force __initdata = 0;
 
 int fix_aperture __initdata = 1;
 
-#define NB_ID_3 (PCI_VENDOR_ID_AMD | (0x1103<<16))
+/* This code runs before the PCI subsystem is initialized, so just
+   access the northbridge directly. */
 
-static struct resource aper_res = {
-        .name = "Aperture",
-        .flags = IORESOURCE_MEM,
-};
+#define NB_ID_3 (PCI_VENDOR_ID_AMD | (0x1103<<16))
 
 static u32 __init allocate_aperture(void) 
 {
@@ -55,24 +53,11 @@ static u32 __init allocate_aperture(void)
         aper_size = (32 * 1024 * 1024) << fallback_aper_order; 
 
         /* 
-         * Aperture has to be naturally aligned. This means an 2GB
-         * aperture won't have much chances to find a place in the
-         * lower 4GB of memory.  Unfortunately we cannot move it up
-         * because that would make the IOMMU useless.
+         * Aperture has to be naturally aligned. This means an 2GB aperture won't
+         * have much chances to find a place in the lower 4GB of memory.
+         * Unfortunately we cannot move it up because that would make the
+         * IOMMU useless.
          */
-
-        /* First try to find some free unused space */
-        if (!allocate_resource(&iomem_resource, &aper_res,
-                               aper_size,
-                               0, 0xffffffff,
-                               aper_size,
-                               NULL, NULL)) {
-                printk(KERN_INFO "Putting aperture at %lx-%lx\n",
-                       aper_res.start, aper_res.end);
-                return aper_res.start;
-        }
-
-        /* No free space found. Go on to waste some memory... */
         p = __alloc_bootmem_node(nd0, aper_size, aper_size, 0); 
         if (!p || __pa(p)+aper_size > 0xffffffff) {
                 printk("Cannot allocate aperture memory hole (%p,%uK)\n",
@@ -81,7 +66,7 @@ static u32 __init allocate_aperture(void)
                         free_bootmem_node(nd0, (unsigned long)p, aper_size); 
                 return 0;
         }
-        printk("Mapping aperture over %d KB of precious RAM @ %lx\n",
+        printk("Mapping aperture over %d KB of RAM @ %lx\n",
                aper_size >> 10, __pa(p)); 
         return (u32)__pa(p); 
 }
@@ -102,16 +87,10 @@ static int __init aperture_valid(char *name, u64 aper_base, u32 aper_size)
                 printk("Aperture from %s pointing to e820 RAM. Ignoring.\n",name);
                 return 0; 
         } 
-        /* Don't check the resource here because the aperture is usually
-           in an e820 reserved area, and we allocated these earlier. */
         return 1;
 } 
 
-/*
- * Find a PCI capability.
- * This code runs before the PCI subsystem is initialized, so just
- * access the northbridge directly.
- */
+/* Find a PCI capability */
 static __u32 __init find_cap(int num, int slot, int func, int cap) 
 { 
         u8 pos;
@@ -276,6 +255,8 @@ void __init iommu_hole_init(void)
                    fallback_aper_force) { 
                 printk("Your BIOS doesn't leave a aperture memory hole\n");
                 printk("Please enable the IOMMU option in the BIOS setup\n");
+                printk("This costs you %d MB of RAM\n",
+                       32 << fallback_aper_order);
 
                 aper_order = fallback_aper_order;
                 aper_alloc = allocate_aperture();
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 80e9b498c443..afd87e64d0a8 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -37,6 +37,7 @@
 #include <asm/desc.h>
 #include <asm/proto.h>
 #include <asm/mach_apic.h>
+#include <asm/acpi.h>
 
 #define __apicdebuginit  __init
 
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index f86d9db94bfc..61a63be6b294 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -30,6 +30,7 @@
 #include <asm/pgalloc.h>
 #include <asm/io_apic.h>
 #include <asm/proto.h>
+#include <asm/acpi.h>
 
 /* Have we found an MP table */
 int smp_found_config;
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 3fdcdba0fec5..429c0269dc4e 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -28,6 +28,7 @@
 #include <asm/uaccess.h>
 #include <asm/i387.h>
 #include <asm/proto.h>
+#include <asm/ia32_unistd.h>
 
 /* #define DEBUG_SIG 1 */
 
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 735b6767c8ed..fb8c809b4cd9 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -27,7 +27,9 @@
 #include <linux/bcd.h>
 #include <linux/kallsyms.h>
 #include <linux/acpi.h>
+#ifdef CONFIG_ACPI
 #include <acpi/achware.h>       /* for PM timer frequency */
+#endif
 #include <asm/8253pit.h>
 #include <asm/pgtable.h>
 #include <asm/vsyscall.h>
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 65a37f52c56e..3dfec8fdabcd 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -332,10 +332,12 @@ void handle_BUG(struct pt_regs *regs)
         printk(KERN_ALERT "Kernel BUG at %.50s:%d\n", f.filename, f.line);
 } 
 
+#ifdef CONFIG_BUG
 void out_of_line_bug(void)
 { 
         BUG(); 
 } 
+#endif
 
 static DEFINE_SPINLOCK(die_lock);
 static int die_owner = -1;
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index a43dedb58fa2..68ec03070e5a 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -193,8 +193,9 @@ EXPORT_SYMBOL(smp_num_siblings);
 extern void do_softirq_thunk(void);
 EXPORT_SYMBOL(do_softirq_thunk);
 
-void out_of_line_bug(void);
+#ifdef CONFIG_BUG
 EXPORT_SYMBOL(out_of_line_bug);
+#endif
 
 EXPORT_SYMBOL(init_level4_pgt);