196 files changed, 2896 insertions, 2081 deletions
diff --git a/arch/alpha/kernel/osf_sys.c b/arch/alpha/kernel/osf_sys.c
index 0636116210d2..01fe990d3e54 100644
--- a/arch/alpha/kernel/osf_sys.c
+++ b/arch/alpha/kernel/osf_sys.c
@@ -37,6 +37,7 @@
 #include <linux/namei.h>
 #include <linux/uio.h>
 #include <linux/vfs.h>
+#include <linux/rcupdate.h>
 #include <asm/fpu.h>
 #include <asm/io.h>
@@ -975,6 +976,7 @@ osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
        long timeout;
        int ret = -EINVAL;
        struct fdtable *fdt;
+        int max_fdset;
        timeout = MAX_SCHEDULE_TIMEOUT;
        if (tvp) {
@@ -996,8 +998,11 @@ osf_select(int n, fd_set __user *inp, fd_set __user *outp, fd_set __user *exp,
                }
        }
+        rcu_read_lock();
        fdt = files_fdtable(current->files);
-        if (n < 0 || n > fdt->max_fdset)
+        max_fdset = fdt->max_fdset;
+        rcu_read_unlock();
+        if (n < 0 || n > max_fdset)
                goto out_nofds;
        /*
diff --git a/arch/alpha/kernel/process.c b/arch/alpha/kernel/process.c
index fa98dae3cd98..eb20c3afff58 100644
--- a/arch/alpha/kernel/process.c
+++ b/arch/alpha/kernel/process.c
@@ -127,6 +127,10 @@ common_shutdown_1(void *generic_ptr)
        /* If booted from SRM, reset some of the original environment. */
        if (alpha_using_srm) {
 #ifdef CONFIG_DUMMY_CONSOLE
+                /* If we've gotten here after SysRq-b, leave interrupt
+                   context before taking over the console. */
+                if (in_interrupt())
+                        irq_exit();
                /* This has the effect of resetting the VGA video origin.  */
                take_over_console(&dummy_con, 0, MAX_NR_CONSOLES-1, 1);
 #endif
diff --git a/arch/alpha/kernel/sys_dp264.c b/arch/alpha/kernel/sys_dp264.c
index 9e36b07fa940..d5da6b1b28ee 100644
--- a/arch/alpha/kernel/sys_dp264.c
+++ b/arch/alpha/kernel/sys_dp264.c
@@ -395,6 +395,22 @@ clipper_init_irq(void)
 */
 static int __init
+isa_irq_fixup(struct pci_dev *dev, int irq)
+{
+        u8 irq8;
+        if (irq > 0)
+                return irq;
+        /* This interrupt is routed via ISA bridge, so we'll
+           just have to trust whatever value the console might
+           have assigned.  */
+        pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8);
+        return irq8 & 0xf;
+}
+static int __init
 dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
 {
        static char irq_tab[6][5] __initdata = {
@@ -407,25 +423,13 @@ dp264_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
                { 16+ 3, 16+ 3, 16+ 2, 16+ 1, 16+ 0}  /* IdSel 10 slot 3 */
        };
        const long min_idsel = 5, max_idsel = 10, irqs_per_slot = 5;
        struct pci_controller *hose = dev->sysdata;
        int irq = COMMON_TABLE_LOOKUP;
-        if (irq > 0) {
+        if (irq > 0)
                irq += 16 * hose->index;
-        } else {
-                /* ??? The Contaq IDE controller on the ISA bridge uses
-                   "legacy" interrupts 14 and 15.  I don't know if anything
-                   can wind up at the same slot+pin on hose1, so we'll
-                   just have to trust whatever value the console might
-                   have assigned.  */
-                u8 irq8;
-                pci_read_config_byte(dev, PCI_INTERRUPT_LINE, &irq8);
-                irq = irq8;
-        }
-        return irq;
+        return isa_irq_fixup(dev, irq);
 }
 static int __init
@@ -453,7 +457,8 @@ monet_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
                {    24,    24,    25,    26,    27}  /* IdSel 15 slot 5 PCI2*/
        };
        const long min_idsel = 3, max_idsel = 15, irqs_per_slot = 5;
-        return COMMON_TABLE_LOOKUP;
+        return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
 }
 static u8 __init
@@ -507,7 +512,8 @@ webbrick_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
                {    47,    47,    46,    45,    44}, /* IdSel 17 slot 3 */
        };
        const long min_idsel = 7, max_idsel = 17, irqs_per_slot = 5;
-        return COMMON_TABLE_LOOKUP;
+        return isa_irq_fixup(dev, COMMON_TABLE_LOOKUP);
 }
 static int __init
@@ -524,14 +530,13 @@ clipper_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
                {    -1,    -1,    -1,    -1,    -1}  /* IdSel 7 ISA Bridge */
        };
        const long min_idsel = 1, max_idsel = 7, irqs_per_slot = 5;
        struct pci_controller *hose = dev->sysdata;
        int irq = COMMON_TABLE_LOOKUP;
        if (irq > 0)
                irq += 16 * hose->index;
-        return irq;
+        return isa_irq_fixup(dev, irq);
 }
 static void __init
diff --git a/arch/arm/boot/compressed/ofw-shark.c b/arch/arm/boot/compressed/ofw-shark.c
index 7f6f5db0d060..465c54b6b128 100644
--- a/arch/arm/boot/compressed/ofw-shark.c
+++ b/arch/arm/boot/compressed/ofw-shark.c
@@ -256,5 +256,5 @@ asmlinkage void ofw_init(ofw_handle_t o, int *nomr, int *pointer)
        temp[11]='\0';
        mem_len = OF_getproplen(o,phandle, temp);
        OF_getprop(o,phandle, temp, buffer, mem_len);
-        (unsigned char) pointer[32] = ((unsigned char *) buffer)[mem_len-2];
+        * ((unsigned char *) &pointer[32]) = ((unsigned char *) buffer)[mem_len-2];
 }
diff --git a/arch/arm/common/locomo.c b/arch/arm/common/locomo.c
index 2786f7c34b3f..a7bd85700152 100644
--- a/arch/arm/common/locomo.c
+++ b/arch/arm/common/locomo.c
@@ -551,7 +551,7 @@ struct locomo_save_data {
        u16     LCM_SPIMD;
 };
-static int locomo_suspend(struct device *dev, u32 pm_message_t, u32 level)
+static int locomo_suspend(struct device *dev, pm_message_t state, u32 level)
 {
        struct locomo *lchip = dev_get_drvdata(dev);
        struct locomo_save_data *save;
diff --git a/arch/arm/configs/enp2611_defconfig b/arch/arm/configs/enp2611_defconfig
index f67ca01b4982..30e6444f9aaa 100644
--- a/arch/arm/configs/enp2611_defconfig
+++ b/arch/arm/configs/enp2611_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc2
+# Linux kernel version: 2.6.13
-# Thu Jul  7 16:41:21 2005
+# Wed Sep 14 10:51:52 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -135,7 +135,6 @@ CONFIG_PCI_NAMES=y
 #
 # Kernel Features
 #
-# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
 # CONFIG_NO_IDLE_HZ is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
@@ -179,6 +178,68 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_PM is not set
 #
+# Networking
+#
+CONFIG_NET=y
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_IP_TCPDIAG is not set
+# CONFIG_IP_TCPDIAG_IPV6 is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_NETFILTER is not set
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_NET_CLS_ROUTE is not set
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+#
 # Device Drivers
 #
@@ -248,6 +309,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 CONFIG_MTD_IXP2000=y
 # CONFIG_MTD_EDB7312 is not set
 # CONFIG_MTD_PCI is not set
+# CONFIG_MTD_PLATRAM is not set
 #
 # Self-contained MTD device drivers
@@ -334,72 +396,8 @@ CONFIG_IOSCHED_CFQ=y
 # CONFIG_I2O is not set
 #
-# Networking support
+# Network device support
-#
-CONFIG_NET=y
-#
-# Networking options
-#
-CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
-# CONFIG_IP_ADVANCED_ROUTER is not set
-CONFIG_IP_FIB_HASH=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_IP_PNP_RARP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-# CONFIG_IP_TCPDIAG is not set
-# CONFIG_IP_TCPDIAG_IPV6 is not set
-# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-# CONFIG_IPV6 is not set
-# CONFIG_NETFILTER is not set
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
-#
-# Network testing
 #
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
 # CONFIG_BONDING is not set
@@ -509,6 +507,8 @@ CONFIG_DLCI_MAX=8
 # CONFIG_SLIP is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
 #
 # ISDN subsystem
@@ -635,7 +635,7 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_I810 is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
-# CONFIG_I2C_IXP2000 is not set
+CONFIG_I2C_IXP2000=y
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
@@ -649,11 +649,28 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_VIAPRO is not set
 # CONFIG_I2C_VOODOO3 is not set
 # CONFIG_I2C_PCA_ISA is not set
+CONFIG_I2C_SENSOR=y
 #
-# Hardware Sensors Chip support
+# Miscellaneous I2C Chip support
 #
-CONFIG_I2C_SENSOR=y
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+CONFIG_SENSORS_EEPROM=y
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
@@ -679,30 +696,15 @@ CONFIG_I2C_SENSOR=y
 # 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_SMSC47B397 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83L785TS is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
-#
-# Other I2C Chip support
-#
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
-CONFIG_SENSORS_EEPROM=y
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
-# CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 #
 # Misc devices
@@ -770,6 +772,7 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
@@ -812,8 +815,7 @@ CONFIG_RAMFS=y
 # CONFIG_JFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
-# CONFIG_JFFS2_FS_NAND is not set
+CONFIG_JFFS2_FS_WRITEBUFFER=y
-# CONFIG_JFFS2_FS_NOR_ECC is not set
 # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
 CONFIG_JFFS2_ZLIB=y
 CONFIG_JFFS2_RTIME=y
diff --git a/arch/arm/configs/ixdp2400_defconfig b/arch/arm/configs/ixdp2400_defconfig
index 5c6c928215d0..678720fa2e2e 100644
--- a/arch/arm/configs/ixdp2400_defconfig
+++ b/arch/arm/configs/ixdp2400_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc2
+# Linux kernel version: 2.6.13
-# Thu Jul  7 16:49:01 2005
+# Wed Sep 14 10:52:01 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -136,7 +136,6 @@ CONFIG_PCI_NAMES=y
 #
 # Kernel Features
 #
-# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
 # CONFIG_NO_IDLE_HZ is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
@@ -180,6 +179,68 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_PM is not set
 #
+# Networking
+#
+CONFIG_NET=y
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_IP_TCPDIAG is not set
+# CONFIG_IP_TCPDIAG_IPV6 is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_NETFILTER is not set
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_NET_CLS_ROUTE is not set
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+#
 # Device Drivers
 #
@@ -249,6 +310,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 CONFIG_MTD_IXP2000=y
 # CONFIG_MTD_EDB7312 is not set
 # CONFIG_MTD_PCI is not set
+# CONFIG_MTD_PLATRAM is not set
 #
 # Self-contained MTD device drivers
@@ -335,72 +397,8 @@ CONFIG_IOSCHED_CFQ=y
 # CONFIG_I2O is not set
 #
-# Networking support
+# Network device support
-#
-CONFIG_NET=y
-#
-# Networking options
-#
-CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
-# CONFIG_IP_ADVANCED_ROUTER is not set
-CONFIG_IP_FIB_HASH=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_IP_PNP_RARP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-# CONFIG_IP_TCPDIAG is not set
-# CONFIG_IP_TCPDIAG_IPV6 is not set
-# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-# CONFIG_IPV6 is not set
-# CONFIG_NETFILTER is not set
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
-#
-# Network testing
 #
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
 # CONFIG_BONDING is not set
@@ -510,6 +508,8 @@ CONFIG_DLCI_MAX=8
 # CONFIG_SLIP is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
 #
 # ISDN subsystem
@@ -636,7 +636,7 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_I810 is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
-# CONFIG_I2C_IXP2000 is not set
+CONFIG_I2C_IXP2000=y
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
@@ -650,11 +650,28 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_VIAPRO is not set
 # CONFIG_I2C_VOODOO3 is not set
 # CONFIG_I2C_PCA_ISA is not set
+CONFIG_I2C_SENSOR=y
 #
-# Hardware Sensors Chip support
+# Miscellaneous I2C Chip support
 #
-CONFIG_I2C_SENSOR=y
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+CONFIG_SENSORS_EEPROM=y
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
@@ -680,30 +697,15 @@ CONFIG_I2C_SENSOR=y
 # 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_SMSC47B397 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83L785TS is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
-#
-# Other I2C Chip support
-#
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
-CONFIG_SENSORS_EEPROM=y
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
-# CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 #
 # Misc devices
@@ -771,6 +773,7 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
@@ -813,8 +816,7 @@ CONFIG_RAMFS=y
 # CONFIG_JFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
-# CONFIG_JFFS2_FS_NAND is not set
+CONFIG_JFFS2_FS_WRITEBUFFER=y
-# CONFIG_JFFS2_FS_NOR_ECC is not set
 # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
 CONFIG_JFFS2_ZLIB=y
 CONFIG_JFFS2_RTIME=y
diff --git a/arch/arm/configs/ixdp2401_defconfig b/arch/arm/configs/ixdp2401_defconfig
index 6dc40f6be0ef..38c9a721d5c9 100644
--- a/arch/arm/configs/ixdp2401_defconfig
+++ b/arch/arm/configs/ixdp2401_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc2
+# Linux kernel version: 2.6.13
-# Thu Jul  7 16:49:08 2005
+# Wed Sep 14 10:52:10 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -136,7 +136,6 @@ CONFIG_PCI_NAMES=y
 #
 # Kernel Features
 #
-# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
 # CONFIG_NO_IDLE_HZ is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
@@ -180,6 +179,68 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_PM is not set
 #
+# Networking
+#
+CONFIG_NET=y
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+CONFIG_IP_TCPDIAG=y
+# CONFIG_IP_TCPDIAG_IPV6 is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_NETFILTER is not set
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_NET_CLS_ROUTE is not set
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+#
 # Device Drivers
 #
@@ -249,6 +310,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 CONFIG_MTD_IXP2000=y
 # CONFIG_MTD_EDB7312 is not set
 # CONFIG_MTD_PCI is not set
+# CONFIG_MTD_PLATRAM is not set
 #
 # Self-contained MTD device drivers
@@ -335,72 +397,8 @@ CONFIG_IOSCHED_CFQ=y
 # CONFIG_I2O is not set
 #
-# Networking support
+# Network device support
-#
-CONFIG_NET=y
-#
-# Networking options
-#
-CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
-# CONFIG_IP_ADVANCED_ROUTER is not set
-CONFIG_IP_FIB_HASH=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_IP_PNP_RARP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-CONFIG_IP_TCPDIAG=y
-# CONFIG_IP_TCPDIAG_IPV6 is not set
-# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-# CONFIG_IPV6 is not set
-# CONFIG_NETFILTER is not set
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
-#
-# Network testing
 #
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
 # CONFIG_BONDING is not set
@@ -511,6 +509,8 @@ CONFIG_DLCI_MAX=8
 # CONFIG_SLIP is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
 #
 # ISDN subsystem
@@ -637,7 +637,7 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_I810 is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
-# CONFIG_I2C_IXP2000 is not set
+CONFIG_I2C_IXP2000=y
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
@@ -651,11 +651,28 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_VIAPRO is not set
 # CONFIG_I2C_VOODOO3 is not set
 # CONFIG_I2C_PCA_ISA is not set
+CONFIG_I2C_SENSOR=y
 #
-# Hardware Sensors Chip support
+# Miscellaneous I2C Chip support
 #
-CONFIG_I2C_SENSOR=y
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+CONFIG_SENSORS_EEPROM=y
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
@@ -681,30 +698,15 @@ CONFIG_I2C_SENSOR=y
 # 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_SMSC47B397 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83L785TS is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
-#
-# Other I2C Chip support
-#
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
-CONFIG_SENSORS_EEPROM=y
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
-# CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 #
 # Misc devices
@@ -772,6 +774,7 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
@@ -814,8 +817,7 @@ CONFIG_RAMFS=y
 # CONFIG_JFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
-# CONFIG_JFFS2_FS_NAND is not set
+CONFIG_JFFS2_FS_WRITEBUFFER=y
-# CONFIG_JFFS2_FS_NOR_ECC is not set
 # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
 CONFIG_JFFS2_ZLIB=y
 CONFIG_JFFS2_RTIME=y
diff --git a/arch/arm/configs/ixdp2800_defconfig b/arch/arm/configs/ixdp2800_defconfig
index d2bb0b7153fe..261e2343903b 100644
--- a/arch/arm/configs/ixdp2800_defconfig
+++ b/arch/arm/configs/ixdp2800_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc2
+# Linux kernel version: 2.6.13
-# Thu Jul  7 16:49:20 2005
+# Wed Sep 14 10:52:23 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -136,7 +136,6 @@ CONFIG_PCI_NAMES=y
 #
 # Kernel Features
 #
-# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
 # CONFIG_NO_IDLE_HZ is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
@@ -180,6 +179,68 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_PM is not set
 #
+# Networking
+#
+CONFIG_NET=y
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_IP_TCPDIAG is not set
+# CONFIG_IP_TCPDIAG_IPV6 is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_NETFILTER is not set
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_NET_CLS_ROUTE is not set
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+#
 # Device Drivers
 #
@@ -249,6 +310,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 CONFIG_MTD_IXP2000=y
 # CONFIG_MTD_EDB7312 is not set
 # CONFIG_MTD_PCI is not set
+# CONFIG_MTD_PLATRAM is not set
 #
 # Self-contained MTD device drivers
@@ -335,72 +397,8 @@ CONFIG_IOSCHED_CFQ=y
 # CONFIG_I2O is not set
 #
-# Networking support
+# Network device support
-#
-CONFIG_NET=y
-#
-# Networking options
-#
-CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
-# CONFIG_IP_ADVANCED_ROUTER is not set
-CONFIG_IP_FIB_HASH=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_IP_PNP_RARP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-# CONFIG_IP_TCPDIAG is not set
-# CONFIG_IP_TCPDIAG_IPV6 is not set
-# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-# CONFIG_IPV6 is not set
-# CONFIG_NETFILTER is not set
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
-#
-# Network testing
 #
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
 # CONFIG_BONDING is not set
@@ -510,6 +508,8 @@ CONFIG_DLCI_MAX=8
 # CONFIG_SLIP is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
 #
 # ISDN subsystem
@@ -636,7 +636,7 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_I810 is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
-# CONFIG_I2C_IXP2000 is not set
+CONFIG_I2C_IXP2000=y
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
@@ -650,11 +650,28 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_VIAPRO is not set
 # CONFIG_I2C_VOODOO3 is not set
 # CONFIG_I2C_PCA_ISA is not set
+CONFIG_I2C_SENSOR=y
 #
-# Hardware Sensors Chip support
+# Miscellaneous I2C Chip support
 #
-CONFIG_I2C_SENSOR=y
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+CONFIG_SENSORS_EEPROM=y
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
@@ -680,30 +697,15 @@ CONFIG_I2C_SENSOR=y
 # 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_SMSC47B397 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83L785TS is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
-#
-# Other I2C Chip support
-#
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
-CONFIG_SENSORS_EEPROM=y
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
-# CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 #
 # Misc devices
@@ -771,6 +773,7 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
@@ -813,8 +816,7 @@ CONFIG_RAMFS=y
 # CONFIG_JFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
-# CONFIG_JFFS2_FS_NAND is not set
+CONFIG_JFFS2_FS_WRITEBUFFER=y
-# CONFIG_JFFS2_FS_NOR_ECC is not set
 # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
 CONFIG_JFFS2_ZLIB=y
 CONFIG_JFFS2_RTIME=y
diff --git a/arch/arm/configs/ixdp2801_defconfig b/arch/arm/configs/ixdp2801_defconfig
index 2d6f960e3395..12ef23d1c016 100644
--- a/arch/arm/configs/ixdp2801_defconfig
+++ b/arch/arm/configs/ixdp2801_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc2
+# Linux kernel version: 2.6.13
-# Thu Jul  7 16:49:13 2005
+# Wed Sep 14 10:52:16 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
@@ -136,7 +136,6 @@ CONFIG_PCI_NAMES=y
 #
 # Kernel Features
 #
-# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
 # CONFIG_NO_IDLE_HZ is not set
 # CONFIG_ARCH_DISCONTIGMEM_ENABLE is not set
@@ -180,6 +179,68 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_PM is not set
 #
+# Networking
+#
+CONFIG_NET=y
+#
+# Networking options
+#
+CONFIG_PACKET=y
+CONFIG_PACKET_MMAP=y
+CONFIG_UNIX=y
+# CONFIG_NET_KEY is not set
+CONFIG_INET=y
+# CONFIG_IP_MULTICAST is not set
+# CONFIG_IP_ADVANCED_ROUTER is not set
+CONFIG_IP_FIB_HASH=y
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+# CONFIG_IP_PNP_RARP is not set
+# CONFIG_NET_IPIP is not set
+# CONFIG_NET_IPGRE is not set
+# CONFIG_ARPD is not set
+CONFIG_SYN_COOKIES=y
+# CONFIG_INET_AH is not set
+# CONFIG_INET_ESP is not set
+# CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_TUNNEL is not set
+# CONFIG_IP_TCPDIAG is not set
+# CONFIG_IP_TCPDIAG_IPV6 is not set
+# CONFIG_TCP_CONG_ADVANCED is not set
+CONFIG_TCP_CONG_BIC=y
+# CONFIG_IPV6 is not set
+# CONFIG_NETFILTER is not set
+#
+# SCTP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_SCTP is not set
+# CONFIG_ATM is not set
+# CONFIG_BRIDGE is not set
+# CONFIG_VLAN_8021Q is not set
+# CONFIG_DECNET is not set
+# CONFIG_LLC2 is not set
+# CONFIG_IPX is not set
+# CONFIG_ATALK is not set
+# CONFIG_X25 is not set
+# CONFIG_LAPB is not set
+# CONFIG_NET_DIVERT is not set
+# CONFIG_ECONET is not set
+# CONFIG_WAN_ROUTER is not set
+# CONFIG_NET_SCHED is not set
+# CONFIG_NET_CLS_ROUTE is not set
+#
+# Network testing
+#
+# CONFIG_NET_PKTGEN is not set
+# CONFIG_HAMRADIO is not set
+# CONFIG_IRDA is not set
+# CONFIG_BT is not set
+#
 # Device Drivers
 #
@@ -249,6 +310,7 @@ CONFIG_MTD_COMPLEX_MAPPINGS=y
 CONFIG_MTD_IXP2000=y
 # CONFIG_MTD_EDB7312 is not set
 # CONFIG_MTD_PCI is not set
+# CONFIG_MTD_PLATRAM is not set
 #
 # Self-contained MTD device drivers
@@ -335,72 +397,8 @@ CONFIG_IOSCHED_CFQ=y
 # CONFIG_I2O is not set
 #
-# Networking support
+# Network device support
-#
-CONFIG_NET=y
-#
-# Networking options
-#
-CONFIG_PACKET=y
-CONFIG_PACKET_MMAP=y
-CONFIG_UNIX=y
-# CONFIG_NET_KEY is not set
-CONFIG_INET=y
-# CONFIG_IP_MULTICAST is not set
-# CONFIG_IP_ADVANCED_ROUTER is not set
-CONFIG_IP_FIB_HASH=y
-CONFIG_IP_PNP=y
-CONFIG_IP_PNP_DHCP=y
-CONFIG_IP_PNP_BOOTP=y
-# CONFIG_IP_PNP_RARP is not set
-# CONFIG_NET_IPIP is not set
-# CONFIG_NET_IPGRE is not set
-# CONFIG_ARPD is not set
-CONFIG_SYN_COOKIES=y
-# CONFIG_INET_AH is not set
-# CONFIG_INET_ESP is not set
-# CONFIG_INET_IPCOMP is not set
-# CONFIG_INET_TUNNEL is not set
-# CONFIG_IP_TCPDIAG is not set
-# CONFIG_IP_TCPDIAG_IPV6 is not set
-# CONFIG_TCP_CONG_ADVANCED is not set
-CONFIG_TCP_CONG_BIC=y
-# CONFIG_IPV6 is not set
-# CONFIG_NETFILTER is not set
-#
-# SCTP Configuration (EXPERIMENTAL)
-#
-# CONFIG_IP_SCTP is not set
-# CONFIG_ATM is not set
-# CONFIG_BRIDGE is not set
-# CONFIG_VLAN_8021Q is not set
-# CONFIG_DECNET is not set
-# CONFIG_LLC2 is not set
-# CONFIG_IPX is not set
-# CONFIG_ATALK is not set
-# CONFIG_X25 is not set
-# CONFIG_LAPB is not set
-# CONFIG_NET_DIVERT is not set
-# CONFIG_ECONET is not set
-# CONFIG_WAN_ROUTER is not set
-#
-# QoS and/or fair queueing
-#
-# CONFIG_NET_SCHED is not set
-# CONFIG_NET_CLS_ROUTE is not set
-#
-# Network testing
 #
-# CONFIG_NET_PKTGEN is not set
-# CONFIG_NETPOLL is not set
-# CONFIG_NET_POLL_CONTROLLER is not set
-# CONFIG_HAMRADIO is not set
-# CONFIG_IRDA is not set
-# CONFIG_BT is not set
 CONFIG_NETDEVICES=y
 CONFIG_DUMMY=y
 # CONFIG_BONDING is not set
@@ -511,6 +509,8 @@ CONFIG_DLCI_MAX=8
 # CONFIG_SLIP is not set
 # CONFIG_SHAPER is not set
 # CONFIG_NETCONSOLE is not set
+# CONFIG_NETPOLL is not set
+# CONFIG_NET_POLL_CONTROLLER is not set
 #
 # ISDN subsystem
@@ -637,7 +637,7 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_I810 is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_ISA is not set
-# CONFIG_I2C_IXP2000 is not set
+CONFIG_I2C_IXP2000=y
 # CONFIG_I2C_NFORCE2 is not set
 # CONFIG_I2C_PARPORT_LIGHT is not set
 # CONFIG_I2C_PROSAVAGE is not set
@@ -651,11 +651,28 @@ CONFIG_I2C_ALGOBIT=y
 # CONFIG_I2C_VIAPRO is not set
 # CONFIG_I2C_VOODOO3 is not set
 # CONFIG_I2C_PCA_ISA is not set
+CONFIG_I2C_SENSOR=y
 #
-# Hardware Sensors Chip support
+# Miscellaneous I2C Chip support
 #
-CONFIG_I2C_SENSOR=y
+# CONFIG_SENSORS_DS1337 is not set
+# CONFIG_SENSORS_DS1374 is not set
+CONFIG_SENSORS_EEPROM=y
+# CONFIG_SENSORS_PCF8574 is not set
+# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_SENSORS_RTC8564 is not set
+# CONFIG_SENSORS_MAX6875 is not set
+# CONFIG_I2C_DEBUG_CORE is not set
+# CONFIG_I2C_DEBUG_ALGO is not set
+# CONFIG_I2C_DEBUG_BUS is not set
+# CONFIG_I2C_DEBUG_CHIP is not set
+#
+# Hardware Monitoring support
+#
+CONFIG_HWMON=y
 # CONFIG_SENSORS_ADM1021 is not set
 # CONFIG_SENSORS_ADM1025 is not set
 # CONFIG_SENSORS_ADM1026 is not set
@@ -681,30 +698,15 @@ CONFIG_I2C_SENSOR=y
 # 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_SMSC47B397 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_W83781D is not set
 # CONFIG_SENSORS_W83L785TS is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
+# CONFIG_HWMON_DEBUG_CHIP is not set
-#
-# Other I2C Chip support
-#
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
-CONFIG_SENSORS_EEPROM=y
-# CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
-# CONFIG_SENSORS_PCF8591 is not set
-# CONFIG_SENSORS_RTC8564 is not set
-# CONFIG_SENSORS_MAX6875 is not set
-# CONFIG_I2C_DEBUG_CORE is not set
-# CONFIG_I2C_DEBUG_ALGO is not set
-# CONFIG_I2C_DEBUG_BUS is not set
-# CONFIG_I2C_DEBUG_CHIP is not set
 #
 # Misc devices
@@ -772,6 +774,7 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
+CONFIG_INOTIFY=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
@@ -814,8 +817,7 @@ CONFIG_RAMFS=y
 # CONFIG_JFFS_FS is not set
 CONFIG_JFFS2_FS=y
 CONFIG_JFFS2_FS_DEBUG=0
-# CONFIG_JFFS2_FS_NAND is not set
+CONFIG_JFFS2_FS_WRITEBUFFER=y
-# CONFIG_JFFS2_FS_NOR_ECC is not set
 # CONFIG_JFFS2_COMPRESSION_OPTIONS is not set
 CONFIG_JFFS2_ZLIB=y
 CONFIG_JFFS2_RTIME=y
diff --git a/arch/arm/kernel/calls.S b/arch/arm/kernel/calls.S
index 949ec4427f21..2ad4aa2a1536 100644
--- a/arch/arm/kernel/calls.S
+++ b/arch/arm/kernel/calls.S
@@ -131,7 +131,7 @@ __syscall_start:
                .long   sys_wait4
 /* 115 */       .long   sys_swapoff
                .long   sys_sysinfo
-                .long   sys_ipc
+                .long   sys_ipc_wrapper
                .long   sys_fsync
                .long   sys_sigreturn_wrapper
 /* 120 */       .long   sys_clone_wrapper
diff --git a/arch/arm/kernel/entry-armv.S b/arch/arm/kernel/entry-armv.S
index 7152bfbee581..93b5e8e5292e 100644
--- a/arch/arm/kernel/entry-armv.S
+++ b/arch/arm/kernel/entry-armv.S
@@ -537,7 +537,7 @@ ENTRY(__switch_to)
 #ifdef CONFIG_CPU_MPCORE
        clrex
 #else
-        strex   r3, r4, [ip]                    @ Clear exclusive monitor
+        strex   r5, r4, [ip]                    @ Clear exclusive monitor
 #endif
 #endif
 #if defined(CONFIG_CPU_XSCALE) && !defined(CONFIG_IWMMXT)
diff --git a/arch/arm/kernel/entry-common.S b/arch/arm/kernel/entry-common.S
index db302c6e5343..81d450ac3fab 100644
--- a/arch/arm/kernel/entry-common.S
+++ b/arch/arm/kernel/entry-common.S
@@ -273,6 +273,10 @@ sys_mbind_wrapper:
                str     r5, [sp, #4]
                b       sys_mbind
+sys_ipc_wrapper:
+                str     r5, [sp, #4]            @ push sixth arg
+                b       sys_ipc
 /*
 * Note: off_4k (r5) is always units of 4K.  If we can't do the requested
 * offset, we return EINVAL.
diff --git a/arch/arm/kernel/semaphore.c b/arch/arm/kernel/semaphore.c
index ac423e3e224b..4c31f2923055 100644
--- a/arch/arm/kernel/semaphore.c
+++ b/arch/arm/kernel/semaphore.c
@@ -178,7 +178,7 @@ int __down_trylock(struct semaphore * sem)
 * registers (r0 to r3 and lr), but not ip, as we use it as a return
 * value in some cases..
 */
-asm("   .section .sched.text,\"ax\"             \n\
+asm("   .section .sched.text,\"ax\",%progbits   \n\
        .align  5                               \n\
        .globl  __down_failed                   \n\
 __down_failed:                                  \n\
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index 4554c961251c..e7d22dbcb691 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -624,6 +624,9 @@ void __attribute__((noreturn)) __bug(const char *file, int line, void *data)
                printk(" - extra data = %p", data);
        printk("\n");
        *(int *)0 = 0;
+        /* Avoid "noreturn function does return" */
+        for (;;);
 }
 EXPORT_SYMBOL(__bug);
diff --git a/arch/arm/kernel/vmlinux.lds.S b/arch/arm/kernel/vmlinux.lds.S
index ad2d66c93a5c..08e58ecd44be 100644
--- a/arch/arm/kernel/vmlinux.lds.S
+++ b/arch/arm/kernel/vmlinux.lds.S
@@ -23,20 +23,20 @@ SECTIONS
                        *(.init.text)
                        _einittext = .;
                __proc_info_begin = .;
-                        *(.proc.info)
+                        *(.proc.info.init)
                __proc_info_end = .;
                __arch_info_begin = .;
-                        *(.arch.info)
+                        *(.arch.info.init)
                __arch_info_end = .;
                __tagtable_begin = .;
-                        *(.taglist)
+                        *(.taglist.init)
                __tagtable_end = .;
                . = ALIGN(16);
                __setup_start = .;
                        *(.init.setup)
                __setup_end = .;
                __early_begin = .;
-                        *(__early_param)
+                        *(.early_param.init)
                __early_end = .;
                __initcall_start = .;
                        *(.initcall1.init)
diff --git a/arch/arm/mach-ixp4xx/ixdp425-setup.c b/arch/arm/mach-ixp4xx/ixdp425-setup.c
index ae1fa099d5fa..39b06ed80646 100644
--- a/arch/arm/mach-ixp4xx/ixdp425-setup.c
+++ b/arch/arm/mach-ixp4xx/ixdp425-setup.c
@@ -123,6 +123,7 @@ static void __init ixdp425_init(void)
        platform_add_devices(ixdp425_devices, ARRAY_SIZE(ixdp425_devices));
 }
+#ifdef CONFIG_ARCH_IXDP465
 MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
        /* Maintainer: MontaVista Software, Inc. */
        .phys_ram       = PHYS_OFFSET,
@@ -134,7 +135,9 @@ MACHINE_START(IXDP425, "Intel IXDP425 Development Platform")
        .boot_params    = 0x0100,
        .init_machine   = ixdp425_init,
 MACHINE_END
+#endif
+#ifdef CONFIG_MACH_IXDP465
 MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
        /* Maintainer: MontaVista Software, Inc. */
        .phys_ram       = PHYS_OFFSET,
@@ -146,7 +149,9 @@ MACHINE_START(IXDP465, "Intel IXDP465 Development Platform")
        .boot_params    = 0x0100,
        .init_machine   = ixdp425_init,
 MACHINE_END
+#endif
+#ifdef CONFIG_ARCH_PRPMC1100
 MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
        /* Maintainer: MontaVista Software, Inc. */
        .phys_ram       = PHYS_OFFSET,
@@ -158,6 +163,7 @@ MACHINE_START(IXCDP1100, "Intel IXCDP1100 Development Platform")
        .boot_params    = 0x0100,
        .init_machine   = ixdp425_init,
 MACHINE_END
+#endif
 /*
 * Avila is functionally equivalent to IXDP425 except that it adds
diff --git a/arch/arm/mach-pxa/Kconfig b/arch/arm/mach-pxa/Kconfig
index 405a55f2287c..3e5f69bb5ac4 100644
--- a/arch/arm/mach-pxa/Kconfig
+++ b/arch/arm/mach-pxa/Kconfig
@@ -20,40 +20,66 @@ config ARCH_PXA_IDP
        select PXA25x
 config PXA_SHARPSL
-        bool "SHARP SL-5600 and SL-C7xx Models"
+        bool "SHARP Zaurus SL-5600, SL-C7xx and SL-Cxx00 Models"
-        select PXA25x
        select SHARP_SCOOP
        select SHARP_PARAM
        help
          Say Y here if you intend to run this kernel on a
-          Sharp SL-5600 (Poodle), Sharp SL-C700 (Corgi),
+          Sharp Zaurus SL-5600 (Poodle), SL-C700 (Corgi),
-          SL-C750 (Shepherd) or a Sharp SL-C760 (Husky)
+          SL-C750 (Shepherd), SL-C760 (Husky), SL-C1000 (Akita),
-          handheld computer.
+          SL-C3000 (Spitz) or SL-C3100 (Borzoi) handheld computer.
 endchoice
+if PXA_SHARPSL
+choice
+        prompt "Select target Sharp Zaurus device range"
+config PXA_SHARPSL_25x
+        bool "Sharp PXA25x models (SL-5600 and SL-C7xx)"
+        select PXA25x
+config PXA_SHARPSL_27x
+        bool "Sharp PXA270 models (SL-Cxx00)"
+        select PXA27x
+endchoice
+endif
 endmenu
 config MACH_POODLE
        bool "Enable Sharp SL-5600 (Poodle) Support"
-        depends PXA_SHARPSL
+        depends PXA_SHARPSL_25x
        select SHARP_LOCOMO
 config MACH_CORGI
        bool "Enable Sharp SL-C700 (Corgi) Support"
-        depends PXA_SHARPSL
+        depends PXA_SHARPSL_25x
        select PXA_SHARP_C7xx
 config MACH_SHEPHERD
        bool "Enable Sharp SL-C750 (Shepherd) Support"
-        depends PXA_SHARPSL
+        depends PXA_SHARPSL_25x
        select PXA_SHARP_C7xx
 config MACH_HUSKY
        bool "Enable Sharp SL-C760 (Husky) Support"
-        depends PXA_SHARPSL
+        depends PXA_SHARPSL_25x
        select PXA_SHARP_C7xx
+config MACH_SPITZ
+        bool "Enable Sharp Zaurus SL-3000 (Spitz) Support"
+        depends PXA_SHARPSL_27x
+        select PXA_SHARP_Cxx00
+config MACH_BORZOI
+        bool "Enable Sharp Zaurus SL-3100 (Borzoi) Support"
+        depends PXA_SHARPSL_27x
+        select PXA_SHARP_Cxx00
 config PXA25x
        bool
        help
@@ -74,4 +100,9 @@ config PXA_SHARP_C7xx
        help
          Enable support for all Sharp C7xx models
+config PXA_SHARP_Cxx00
+        bool
+        help
+          Enable common support for Sharp Cxx00 models
 endif
diff --git a/arch/arm/mach-pxa/Makefile b/arch/arm/mach-pxa/Makefile
index 33dae99ec2d8..f609a0f232cb 100644
--- a/arch/arm/mach-pxa/Makefile
+++ b/arch/arm/mach-pxa/Makefile
@@ -12,6 +12,7 @@ obj-$(CONFIG_ARCH_LUBBOCK) += lubbock.o
 obj-$(CONFIG_MACH_MAINSTONE) += mainstone.o
 obj-$(CONFIG_ARCH_PXA_IDP) += idp.o
 obj-$(CONFIG_PXA_SHARP_C7xx)    += corgi.o corgi_ssp.o corgi_lcd.o ssp.o
+obj-$(CONFIG_PXA_SHARP_Cxx00)   += spitz.o corgi_ssp.o corgi_lcd.o ssp.o
 obj-$(CONFIG_MACH_POODLE)       += poodle.o
 # Support for blinky lights
diff --git a/arch/arm/mach-pxa/corgi.c b/arch/arm/mach-pxa/corgi.c
index 07b5dd453565..be37586cb1b0 100644
--- a/arch/arm/mach-pxa/corgi.c
+++ b/arch/arm/mach-pxa/corgi.c
@@ -41,6 +41,7 @@
 #include <asm/hardware/scoop.h>
 #include "generic.h"
+#include "sharpsl.h"
 /*
@@ -94,14 +95,30 @@ struct platform_device corgissp_device = {
        .id             = -1,
 };
+struct corgissp_machinfo corgi_ssp_machinfo = {
+        .port           = 1,
+        .cs_lcdcon      = CORGI_GPIO_LCDCON_CS,
+        .cs_ads7846     = CORGI_GPIO_ADS7846_CS,
+        .cs_max1111     = CORGI_GPIO_MAX1111_CS,
+        .clk_lcdcon     = 76,
+        .clk_ads7846    = 2,
+        .clk_max1111    = 8,
+};
 /*
 * Corgi Backlight Device
 */
+static struct corgibl_machinfo corgi_bl_machinfo = {
+        .max_intensity = 0x2f,
+        .set_bl_intensity = corgi_bl_set_intensity,
+};
 static struct platform_device corgibl_device = {
        .name           = "corgi-bl",
        .dev            = {
                .parent = &corgifb_device.dev,
+                .platform_data  = &corgi_bl_machinfo,
        },
        .id             = -1,
 };
@@ -119,12 +136,29 @@ static struct platform_device corgikbd_device = {
 /*
 * Corgi Touch Screen Device
 */
+static struct resource corgits_resources[] = {
+        [0] = {
+                .start          = CORGI_IRQ_GPIO_TP_INT,
+                .end            = CORGI_IRQ_GPIO_TP_INT,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+static struct corgits_machinfo  corgi_ts_machinfo = {
+        .get_hsync_len   = corgi_get_hsync_len,
+        .put_hsync       = corgi_put_hsync,
+        .wait_hsync      = corgi_wait_hsync,
+};
 static struct platform_device corgits_device = {
        .name           = "corgi-ts",
        .dev            = {
                .parent = &corgissp_device.dev,
+                .platform_data  = &corgi_ts_machinfo,
        },
        .id             = -1,
+        .num_resources  = ARRAY_SIZE(corgits_resources),
+        .resource       = corgits_resources,
 };
@@ -164,13 +198,10 @@ static void corgi_mci_setpower(struct device *dev, unsigned int vdd)
 {
        struct pxamci_platform_data* p_d = dev->platform_data;
-        if (( 1 << vdd) & p_d->ocr_mask) {
+        if (( 1 << vdd) & p_d->ocr_mask)
-                printk(KERN_DEBUG "%s: on\n", __FUNCTION__);
                GPSR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
-        } else {
+        else
-                printk(KERN_DEBUG "%s: off\n", __FUNCTION__);
                GPCR1 = GPIO_bit(CORGI_GPIO_SD_PWR);
-        }
 }
 static int corgi_mci_get_ro(struct device *dev)
@@ -225,7 +256,20 @@ static struct platform_device *devices[] __initdata = {
 static void __init corgi_init(void)
 {
+        /* setup sleep mode values */
+        PWER  = 0x00000002;
+        PFER  = 0x00000000;
+        PRER  = 0x00000002;
+        PGSR0 = 0x0158C000;
+        PGSR1 = 0x00FF0080;
+        PGSR2 = 0x0001C004;
+        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
+        PCFR |= PCFR_OPDE;
+        corgi_ssp_set_machinfo(&corgi_ssp_machinfo);
        pxa_gpio_mode(CORGI_GPIO_USB_PULLUP | GPIO_OUT);
+        pxa_gpio_mode(CORGI_GPIO_HSYNC | GPIO_IN);
        pxa_set_udc_info(&udc_info);
        pxa_set_mci_info(&corgi_mci_platform_data);
@@ -248,42 +292,14 @@ static void __init fixup_corgi(struct machine_desc *desc,
                mi->bank[0].size = (64*1024*1024);
 }
-static void __init corgi_init_irq(void)
-{
-        pxa_init_irq();
-}
-static struct map_desc corgi_io_desc[] __initdata = {
-/*    virtual     physical    length      */
-/*      { 0xf1000000, 0x08000000, 0x01000000, MT_DEVICE },*/ /* LCDC (readable for Qt driver) */
-/*      { 0xef700000, 0x10800000, 0x00001000, MT_DEVICE },*/  /* SCOOP */
-        { 0xef800000, 0x00000000, 0x00800000, MT_DEVICE }, /* Boot Flash */
-};
-static void __init corgi_map_io(void)
-{
-        pxa_map_io();
-        iotable_init(corgi_io_desc,ARRAY_SIZE(corgi_io_desc));
-        /* setup sleep mode values */
-        PWER  = 0x00000002;
-        PFER  = 0x00000000;
-        PRER  = 0x00000002;
-        PGSR0 = 0x0158C000;
-        PGSR1 = 0x00FF0080;
-        PGSR2 = 0x0001C004;
-        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
-        PCFR |= PCFR_OPDE;
-}
 #ifdef CONFIG_MACH_CORGI
 MACHINE_START(CORGI, "SHARP Corgi")
        .phys_ram       = 0xa0000000,
        .phys_io        = 0x40000000,
        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
        .fixup          = fixup_corgi,
-        .map_io         = corgi_map_io,
+        .map_io         = pxa_map_io,
-        .init_irq       = corgi_init_irq,
+        .init_irq       = pxa_init_irq,
        .init_machine   = corgi_init,
        .timer          = &pxa_timer,
 MACHINE_END
@@ -295,8 +311,8 @@ MACHINE_START(SHEPHERD, "SHARP Shepherd")
        .phys_io        = 0x40000000,
        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
        .fixup          = fixup_corgi,
-        .map_io         = corgi_map_io,
+        .map_io         = pxa_map_io,
-        .init_irq       = corgi_init_irq,
+        .init_irq       = pxa_init_irq,
        .init_machine   = corgi_init,
        .timer          = &pxa_timer,
 MACHINE_END
@@ -308,8 +324,8 @@ MACHINE_START(HUSKY, "SHARP Husky")
        .phys_io        = 0x40000000,
        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
        .fixup          = fixup_corgi,
-        .map_io         = corgi_map_io,
+        .map_io         = pxa_map_io,
-        .init_irq       = corgi_init_irq,
+        .init_irq       = pxa_init_irq,
        .init_machine   = corgi_init,
        .timer          = &pxa_timer,
 MACHINE_END
diff --git a/arch/arm/mach-pxa/corgi_lcd.c b/arch/arm/mach-pxa/corgi_lcd.c
index deac29c00290..c5efcd04fcbc 100644
--- a/arch/arm/mach-pxa/corgi_lcd.c
+++ b/arch/arm/mach-pxa/corgi_lcd.c
@@ -1,10 +1,14 @@
 /*
 * linux/drivers/video/w100fb.c
 *
- * Corgi LCD Specific Code for ATI Imageon w100 (Wallaby)
+ * Corgi/Spitz LCD Specific Code
 *
 * Copyright (C) 2005 Richard Purdie
 *
+ * Connectivity:
+ *   Corgi - LCD to ATI Imageon w100 (Wallaby)
+ *   Spitz - LCD to PXA Framebuffer
+ *
 * 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.
@@ -14,9 +18,17 @@
 #include <linux/delay.h>
 #include <linux/kernel.h>
 #include <linux/device.h>
+#include <linux/module.h>
+#include <asm/mach-types.h>
+#include <asm/arch/akita.h>
 #include <asm/arch/corgi.h>
+#include <asm/arch/hardware.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/sharpsl.h>
+#include <asm/arch/spitz.h>
+#include <asm/hardware/scoop.h>
 #include <asm/mach/sharpsl_param.h>
-#include <video/w100fb.h>
+#include "generic.h"
 /* Register Addresses */
 #define RESCTL_ADRS     0x00
@@ -134,10 +146,10 @@ static void lcdtg_set_common_voltage(u8 base_data, u8 data)
 }
 /* Set Phase Adjuct */
-static void lcdtg_set_phadadj(struct w100fb_par *par)
+static void lcdtg_set_phadadj(int mode)
 {
        int adj;
-        switch(par->xres) {
+        switch(mode) {
                case 480:
                case 640:
                        /* Setting for VGA */
@@ -161,7 +173,7 @@ static void lcdtg_set_phadadj(struct w100fb_par *par)
 static int lcd_inited;
-static void lcdtg_hw_init(struct w100fb_par *par)
+static void lcdtg_hw_init(int mode)
 {
        if (!lcd_inited) {
                int comadj;
@@ -215,7 +227,7 @@ static void lcdtg_hw_init(struct w100fb_par *par)
                corgi_ssp_lcdtg_send(PICTRL_ADRS, 0);
                /* Set Phase Adjuct */
-                lcdtg_set_phadadj(par);
+                lcdtg_set_phadadj(mode);
                /* Initialize for Input Signals from ATI */
                corgi_ssp_lcdtg_send(POLCTRL_ADRS, POLCTRL_SYNC_POL_RISE | POLCTRL_EN_POL_RISE
@@ -224,10 +236,10 @@ static void lcdtg_hw_init(struct w100fb_par *par)
                lcd_inited=1;
        } else {
-                lcdtg_set_phadadj(par);
+                lcdtg_set_phadadj(mode);
        }
-        switch(par->xres) {
+        switch(mode) {
                case 480:
                case 640:
                        /* Set Lcd Resolution (VGA) */
@@ -242,7 +254,7 @@ static void lcdtg_hw_init(struct w100fb_par *par)
        }
 }
-static void lcdtg_suspend(struct w100fb_par *par)
+static void lcdtg_suspend(void)
 {
        /* 60Hz x 2 frame = 16.7msec x 2 = 33.4 msec */
        mdelay(34);
@@ -276,15 +288,30 @@ static void lcdtg_suspend(struct w100fb_par *par)
        lcd_inited = 0;
 }
-static struct w100_tg_info corgi_lcdtg_info = {
-        .change=lcdtg_hw_init,
-        .suspend=lcdtg_suspend,
-        .resume=lcdtg_hw_init,
-};
 /*
 * Corgi w100 Frame Buffer Device
 */
+#ifdef CONFIG_PXA_SHARP_C7xx
+#include <video/w100fb.h>
+static void w100_lcdtg_suspend(struct w100fb_par *par)
+{
+        lcdtg_suspend();
+}
+static void w100_lcdtg_init(struct w100fb_par *par)
+{
+        lcdtg_hw_init(par->xres);
+}
+static struct w100_tg_info corgi_lcdtg_info = {
+        .change  = w100_lcdtg_init,
+        .suspend = w100_lcdtg_suspend,
+        .resume  = w100_lcdtg_init,
+};
 static struct w100_mem_info corgi_fb_mem = {
        .ext_cntl          = 0x00040003,
@@ -394,3 +421,145 @@ struct platform_device corgifb_device = {
        },
 };
+#endif
+/*
+ * Spitz PXA Frame Buffer Device
+ */
+#ifdef CONFIG_PXA_SHARP_Cxx00
+#include <asm/arch/pxafb.h>
+void spitz_lcd_power(int on)
+{
+        if (on)
+                lcdtg_hw_init(480);
+        else
+                lcdtg_suspend();
+}
+#endif
+/*
+ * Corgi/Spitz Touchscreen to LCD interface
+ */
+static unsigned long (*get_hsync_time)(struct device *dev);
+static void inline sharpsl_wait_sync(int gpio)
+{
+        while((GPLR(gpio) & GPIO_bit(gpio)) == 0);
+        while((GPLR(gpio) & GPIO_bit(gpio)) != 0);
+}
+#ifdef CONFIG_PXA_SHARP_C7xx
+unsigned long corgi_get_hsync_len(void)
+{
+        if (!get_hsync_time)
+                get_hsync_time = symbol_get(w100fb_get_hsynclen);
+        if (!get_hsync_time)
+                return 0;
+        return get_hsync_time(&corgifb_device.dev);
+}
+void corgi_put_hsync(void)
+{
+        if (get_hsync_time)
+                symbol_put(w100fb_get_hsynclen);
+}
+void corgi_wait_hsync(void)
+{
+        sharpsl_wait_sync(CORGI_GPIO_HSYNC);
+}
+#endif
+#ifdef CONFIG_PXA_SHARP_Cxx00
+unsigned long spitz_get_hsync_len(void)
+{
+        if (!get_hsync_time)
+                get_hsync_time = symbol_get(pxafb_get_hsync_time);
+        if (!get_hsync_time)
+                return 0;
+        return pxafb_get_hsync_time(&pxafb_device.dev);
+}
+void spitz_put_hsync(void)
+{
+        if (get_hsync_time)
+                symbol_put(pxafb_get_hsync_time);
+}
+void spitz_wait_hsync(void)
+{
+        sharpsl_wait_sync(SPITZ_GPIO_HSYNC);
+}
+#endif
+/*
+ * Corgi/Spitz Backlight Power
+ */
+#ifdef CONFIG_PXA_SHARP_C7xx
+void corgi_bl_set_intensity(int intensity)
+{
+        if (intensity > 0x10)
+                intensity += 0x10;
+        /* Bits 0-4 are accessed via the SSP interface */
+        corgi_ssp_blduty_set(intensity & 0x1f);
+        /* Bit 5 is via SCOOP */
+        if (intensity & 0x0020)
+                set_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
+        else
+                reset_scoop_gpio(&corgiscoop_device.dev, CORGI_SCP_BACKLIGHT_CONT);
+}
+#endif
+#if defined(CONFIG_MACH_SPITZ) || defined(CONFIG_MACH_BORZOI)
+void spitz_bl_set_intensity(int intensity)
+{
+        if (intensity > 0x10)
+                intensity += 0x10;
+        /* Bits 0-4 are accessed via the SSP interface */
+        corgi_ssp_blduty_set(intensity & 0x1f);
+        /* Bit 5 is via SCOOP */
+        if (intensity & 0x0020)
+                reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
+        else
+                set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_CONT);
+        if (intensity)
+                set_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
+        else
+                reset_scoop_gpio(&spitzscoop2_device.dev, SPITZ_SCP2_BACKLIGHT_ON);
+}
+#endif
+#ifdef CONFIG_MACH_AKITA
+void akita_bl_set_intensity(int intensity)
+{
+        if (intensity > 0x10)
+                intensity += 0x10;
+        /* Bits 0-4 are accessed via the SSP interface */
+        corgi_ssp_blduty_set(intensity & 0x1f);
+        /* Bit 5 is via IO-Expander */
+        if (intensity & 0x0020)
+                akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
+        else
+                akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_CONT);
+        if (intensity)
+                akita_set_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
+        else
+                akita_reset_ioexp(&akitaioexp_device.dev, AKITA_IOEXP_BACKLIGHT_ON);
+}
+#endif
diff --git a/arch/arm/mach-pxa/corgi_ssp.c b/arch/arm/mach-pxa/corgi_ssp.c
index 366a9bde3d8b..0ef428287055 100644
--- a/arch/arm/mach-pxa/corgi_ssp.c
+++ b/arch/arm/mach-pxa/corgi_ssp.c
@@ -1,7 +1,7 @@
 /*
 *  SSP control code for Sharp Corgi devices
 *
- *  Copyright (c) 2004 Richard Purdie
+ *  Copyright (c) 2004-2005 Richard Purdie
 *
 *  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
@@ -17,14 +17,16 @@
 #include <linux/delay.h>
 #include <linux/device.h>
 #include <asm/hardware.h>
+#include <asm/mach-types.h>
 #include <asm/arch/ssp.h>
-#include <asm/arch/corgi.h>
 #include <asm/arch/pxa-regs.h>
+#include "sharpsl.h"
 static DEFINE_SPINLOCK(corgi_ssp_lock);
 static struct ssp_dev corgi_ssp_dev;
 static struct ssp_state corgi_ssp_state;
+static struct corgissp_machinfo *ssp_machinfo;
 /*
 * There are three devices connected to the SSP interface:
@@ -48,12 +50,12 @@ unsigned long corgi_ssp_ads7846_putget(ulong data)
        unsigned long ret,flag;
        spin_lock_irqsave(&corgi_ssp_lock, flag);
-        GPCR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);
+        GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
        ssp_write_word(&corgi_ssp_dev,data);
        ret = ssp_read_word(&corgi_ssp_dev);
-        GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);
+        GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
        spin_unlock_irqrestore(&corgi_ssp_lock, flag);
        return ret;
@@ -66,12 +68,12 @@ unsigned long corgi_ssp_ads7846_putget(ulong data)
 void corgi_ssp_ads7846_lock(void)
 {
        spin_lock(&corgi_ssp_lock);
-        GPCR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);
+        GPCR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
 }
 void corgi_ssp_ads7846_unlock(void)
 {
-        GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);
+        GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);
        spin_unlock(&corgi_ssp_lock);
 }
@@ -97,23 +99,27 @@ EXPORT_SYMBOL(corgi_ssp_ads7846_get);
 */
 unsigned long corgi_ssp_dac_put(ulong data)
 {
-        unsigned long flag;
+        unsigned long flag, sscr1 = SSCR1_SPH;
        spin_lock_irqsave(&corgi_ssp_lock, flag);
-        GPCR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS);
+        if (machine_is_spitz() || machine_is_akita() || machine_is_borzoi())
+                sscr1 = 0;
        ssp_disable(&corgi_ssp_dev);
-        ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), SSCR1_SPH, 0, SSCR0_SerClkDiv(76));
+        ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), sscr1, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_lcdcon));
        ssp_enable(&corgi_ssp_dev);
+        GPCR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
        ssp_write_word(&corgi_ssp_dev,data);
        /* Read null data back from device to prevent SSP overflow */
        ssp_read_word(&corgi_ssp_dev);
+        GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);
        ssp_disable(&corgi_ssp_dev);
-        ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2));
+        ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
        ssp_enable(&corgi_ssp_dev);
-        GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS);
        spin_unlock_irqrestore(&corgi_ssp_lock, flag);
        return 0;
@@ -141,9 +147,9 @@ int corgi_ssp_max1111_get(ulong data)
        int voltage,voltage1,voltage2;
        spin_lock_irqsave(&corgi_ssp_lock, flag);
-        GPCR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS);
+        GPCR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);
        ssp_disable(&corgi_ssp_dev);
-        ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), 0, 0, SSCR0_SerClkDiv(8));
+        ssp_config(&corgi_ssp_dev, (SSCR0_Motorola | (SSCR0_DSS & 0x07 )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_max1111));
        ssp_enable(&corgi_ssp_dev);
        udelay(1);
@@ -161,9 +167,9 @@ int corgi_ssp_max1111_get(ulong data)
        voltage2=ssp_read_word(&corgi_ssp_dev);
        ssp_disable(&corgi_ssp_dev);
-        ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2));
+        ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
        ssp_enable(&corgi_ssp_dev);
-        GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS);
+        GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);
        spin_unlock_irqrestore(&corgi_ssp_lock, flag);
        if (voltage1 & 0xc0 || voltage2 & 0x3f)
@@ -179,25 +185,31 @@ EXPORT_SYMBOL(corgi_ssp_max1111_get);
 /*
 *  Support Routines
 */
-int __init corgi_ssp_probe(struct device *dev)
+void __init corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo)
+{
+        ssp_machinfo = machinfo;
+}
+static int __init corgi_ssp_probe(struct device *dev)
 {
        int ret;
        /* Chip Select - Disable All */
-        GPDR0 |= GPIO_bit(CORGI_GPIO_LCDCON_CS); /* output */
+        GPDR(ssp_machinfo->cs_lcdcon) |= GPIO_bit(ssp_machinfo->cs_lcdcon); /* output */
-        GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS);  /* High - Disable LCD Control/Timing Gen */
+        GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);  /* High - Disable LCD Control/Timing Gen */
-        GPDR0 |= GPIO_bit(CORGI_GPIO_MAX1111_CS); /* output */
+        GPDR(ssp_machinfo->cs_max1111) |= GPIO_bit(ssp_machinfo->cs_max1111); /* output */
-        GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS);  /* High - Disable MAX1111*/
+        GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111);  /* High - Disable MAX1111*/
-        GPDR0 |= GPIO_bit(CORGI_GPIO_ADS7846_CS);  /* output */
+        GPDR(ssp_machinfo->cs_ads7846) |= GPIO_bit(ssp_machinfo->cs_ads7846);  /* output */
-        GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS);   /* High - Disable ADS7846*/
+        GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846);   /* High - Disable ADS7846*/
-        ret=ssp_init(&corgi_ssp_dev,1);
+        ret = ssp_init(&corgi_ssp_dev,ssp_machinfo->port);
        if (ret)
                printk(KERN_ERR "Unable to register SSP handler!\n");
        else {
                ssp_disable(&corgi_ssp_dev);
-                ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(2));
+                ssp_config(&corgi_ssp_dev, (SSCR0_National | (SSCR0_DSS & 0x0b )), 0, 0, SSCR0_SerClkDiv(ssp_machinfo->clk_ads7846));
                ssp_enable(&corgi_ssp_dev);
        }
@@ -222,9 +234,9 @@ static int corgi_ssp_suspend(struct device *dev, pm_message_t state, u32 level)
 static int corgi_ssp_resume(struct device *dev, u32 level)
 {
        if (level == RESUME_POWER_ON) {
-                GPSR0 = GPIO_bit(CORGI_GPIO_LCDCON_CS);  /* High - Disable LCD Control/Timing Gen */
+                GPSR(ssp_machinfo->cs_lcdcon) = GPIO_bit(ssp_machinfo->cs_lcdcon);  /* High - Disable LCD Control/Timing Gen */
-                GPSR0 = GPIO_bit(CORGI_GPIO_MAX1111_CS); /* High - Disable MAX1111*/
+                GPSR(ssp_machinfo->cs_max1111) = GPIO_bit(ssp_machinfo->cs_max1111); /* High - Disable MAX1111*/
-                GPSR0 = GPIO_bit(CORGI_GPIO_ADS7846_CS); /* High - Disable ADS7846*/
+                GPSR(ssp_machinfo->cs_ads7846) = GPIO_bit(ssp_machinfo->cs_ads7846); /* High - Disable ADS7846*/
                ssp_restore_state(&corgi_ssp_dev,&corgi_ssp_state);
                ssp_enable(&corgi_ssp_dev);
        }
diff --git a/arch/arm/mach-pxa/lubbock.c b/arch/arm/mach-pxa/lubbock.c
index 923f6eb774c0..1f38033921e9 100644
--- a/arch/arm/mach-pxa/lubbock.c
+++ b/arch/arm/mach-pxa/lubbock.c
@@ -146,6 +146,11 @@ static struct pxa2xx_udc_mach_info udc_info __initdata = {
        // no D+ pullup; lubbock can't connect/disconnect in software
 };
+static struct platform_device lub_audio_device = {
+        .name           = "pxa2xx-ac97",
+        .id             = -1,
+};
 static struct resource sa1111_resources[] = {
        [0] = {
                .start  = 0x10000000,
@@ -195,6 +200,7 @@ static struct platform_device smc91x_device = {
 static struct platform_device *devices[] __initdata = {
        &sa1111_device,
+        &lub_audio_device,
        &smc91x_device,
 };
diff --git a/arch/arm/mach-pxa/poodle.c b/arch/arm/mach-pxa/poodle.c
index 47cfb8bb8318..f25638810017 100644
--- a/arch/arm/mach-pxa/poodle.c
+++ b/arch/arm/mach-pxa/poodle.c
@@ -30,6 +30,8 @@
 #include <asm/arch/pxa-regs.h>
 #include <asm/arch/irq.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/udc.h>
 #include <asm/arch/poodle.h>
 #include <asm/arch/pxafb.h>
@@ -93,6 +95,83 @@ static struct platform_device locomo_device = {
        .resource       = locomo_resources,
 };
+/*
+ * MMC/SD Device
+ *
+ * The card detect interrupt isn't debounced so we delay it by 250ms
+ * to give the card a chance to fully insert/eject.
+ */
+static struct pxamci_platform_data poodle_mci_platform_data;
+static int poodle_mci_init(struct device *dev, irqreturn_t (*poodle_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+        int err;
+        /* setup GPIO for PXA25x MMC controller */
+        pxa_gpio_mode(GPIO6_MMCCLK_MD);
+        pxa_gpio_mode(GPIO8_MMCCS0_MD);
+        pxa_gpio_mode(POODLE_GPIO_nSD_DETECT | GPIO_IN);
+        pxa_gpio_mode(POODLE_GPIO_SD_PWR | GPIO_OUT);
+        poodle_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+        err = request_irq(POODLE_IRQ_GPIO_nSD_DETECT, poodle_detect_int, SA_INTERRUPT,
+                             "MMC card detect", data);
+        if (err) {
+                printk(KERN_ERR "poodle_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+                return -1;
+        }
+        set_irq_type(POODLE_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
+        return 0;
+}
+static void poodle_mci_setpower(struct device *dev, unsigned int vdd)
+{
+        struct pxamci_platform_data* p_d = dev->platform_data;
+        if (( 1 << vdd) & p_d->ocr_mask)
+                GPSR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
+        else
+                GPCR1 = GPIO_bit(POODLE_GPIO_SD_PWR);
+}
+static void poodle_mci_exit(struct device *dev, void *data)
+{
+        free_irq(POODLE_IRQ_GPIO_nSD_DETECT, data);
+}
+static struct pxamci_platform_data poodle_mci_platform_data = {
+        .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+        .init           = poodle_mci_init,
+        .setpower       = poodle_mci_setpower,
+        .exit           = poodle_mci_exit,
+};
+/*
+ * USB Device Controller
+ */
+static void poodle_udc_command(int cmd)
+{
+        switch(cmd)     {
+        case PXA2XX_UDC_CMD_CONNECT:
+                GPSR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
+                break;
+        case PXA2XX_UDC_CMD_DISCONNECT:
+                GPCR(POODLE_GPIO_USB_PULLUP) = GPIO_bit(POODLE_GPIO_USB_PULLUP);
+                break;
+        }
+}
+static struct pxa2xx_udc_mach_info udc_info __initdata = {
+        /* no connect GPIO; poodle can't tell connection status */
+        .udc_command            = poodle_udc_command,
+};
 /* PXAFB device */
 static struct pxafb_mach_info poodle_fb_info __initdata = {
        .pixclock       = 144700,
@@ -126,6 +205,15 @@ static void __init poodle_init(void)
 {
        int ret = 0;
+        /* setup sleep mode values */
+        PWER  = 0x00000002;
+        PFER  = 0x00000000;
+        PRER  = 0x00000002;
+        PGSR0 = 0x00008000;
+        PGSR1 = 0x003F0202;
+        PGSR2 = 0x0001C000;
+        PCFR |= PCFR_OPDE;
        /* cpu initialize */
        /* Pgsr Register */
        PGSR0 = 0x0146dd80;
@@ -155,6 +243,9 @@ static void __init poodle_init(void)
        GPSR2 = 0x00000000;
        set_pxa_fb_info(&poodle_fb_info);
+        pxa_gpio_mode(POODLE_GPIO_USB_PULLUP | GPIO_OUT);
+        pxa_set_udc_info(&udc_info);
+        pxa_set_mci_info(&poodle_mci_platform_data);
        scoop_num = 1;
        scoop_devs = &poodle_pcmcia_scoop[0];
@@ -171,32 +262,12 @@ static void __init fixup_poodle(struct machine_desc *desc,
        sharpsl_save_param();
 }
-static struct map_desc poodle_io_desc[] __initdata = {
- /* virtual     physical    length                   */
-  { 0xef800000, 0x00000000, 0x00800000, MT_DEVICE }, /* Boot Flash */
-};
-static void __init poodle_map_io(void)
-{
-        pxa_map_io();
-        iotable_init(poodle_io_desc, ARRAY_SIZE(poodle_io_desc));
-        /* setup sleep mode values */
-        PWER  = 0x00000002;
-        PFER  = 0x00000000;
-        PRER  = 0x00000002;
-        PGSR0 = 0x00008000;
-        PGSR1 = 0x003F0202;
-        PGSR2 = 0x0001C000;
-        PCFR |= PCFR_OPDE;
-}
 MACHINE_START(POODLE, "SHARP Poodle")
        .phys_ram       = 0xa0000000,
        .phys_io        = 0x40000000,
        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
        .fixup          = fixup_poodle,
-        .map_io         = poodle_map_io,
+        .map_io         = pxa_map_io,
        .init_irq       = pxa_init_irq,
        .timer          = &pxa_timer,
        .init_machine   = poodle_init,
diff --git a/arch/arm/mach-pxa/sharpsl.h b/arch/arm/mach-pxa/sharpsl.h
new file mode 100644
index 000000000000..3977a77aacdd
--- /dev/null
+++ b/arch/arm/mach-pxa/sharpsl.h
@@ -0,0 +1,34 @@
+/*
+ * SharpSL SSP Driver
+ */
+struct corgissp_machinfo {
+        int port;
+        int cs_lcdcon;
+        int cs_ads7846;
+        int cs_max1111;
+        int clk_lcdcon;
+        int clk_ads7846;
+        int clk_max1111;
+};
+void corgi_ssp_set_machinfo(struct corgissp_machinfo *machinfo);
+/*
+ * SharpSL Backlight
+ */
+void corgi_bl_set_intensity(int intensity);
+void spitz_bl_set_intensity(int intensity);
+void akita_bl_set_intensity(int intensity);
+/*
+ * SharpSL Touchscreen Driver
+ */
+unsigned long corgi_get_hsync_len(void);
+unsigned long spitz_get_hsync_len(void);
+void corgi_put_hsync(void);
+void spitz_put_hsync(void);
+void corgi_wait_hsync(void);
+void spitz_wait_hsync(void);
diff --git a/arch/arm/mach-pxa/spitz.c b/arch/arm/mach-pxa/spitz.c
new file mode 100644
index 000000000000..568afe3d6e1a
--- /dev/null
+++ b/arch/arm/mach-pxa/spitz.c
@@ -0,0 +1,380 @@
+/*
+ * Support for Sharp SL-Cxx00 Series of PDAs
+ * Models: SL-C3000 (Spitz), SL-C1000 (Akita) and SL-C3100 (Borzoi)
+ *
+ * Copyright (c) 2005 Richard Purdie
+ *
+ * Based on Sharp's 2.4 kernel patches/lubbock.c
+ *
+ * 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/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/delay.h>
+#include <linux/major.h>
+#include <linux/fs.h>
+#include <linux/interrupt.h>
+#include <linux/mmc/host.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <asm/mach-types.h>
+#include <asm/hardware.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+#include <asm/mach/irq.h>
+#include <asm/arch/pxa-regs.h>
+#include <asm/arch/irq.h>
+#include <asm/arch/mmc.h>
+#include <asm/arch/udc.h>
+#include <asm/arch/ohci.h>
+#include <asm/arch/pxafb.h>
+#include <asm/arch/akita.h>
+#include <asm/arch/spitz.h>
+#include <asm/arch/sharpsl.h>
+#include <asm/mach/sharpsl_param.h>
+#include <asm/hardware/scoop.h>
+#include "generic.h"
+#include "sharpsl.h"
+/*
+ * Spitz SCOOP Device #1
+ */
+static struct resource spitz_scoop_resources[] = {
+        [0] = {
+                .start          = 0x10800000,
+                .end            = 0x10800fff,
+                .flags          = IORESOURCE_MEM,
+        },
+};
+static struct scoop_config spitz_scoop_setup = {
+        .io_dir         = SPITZ_SCP_IO_DIR,
+        .io_out         = SPITZ_SCP_IO_OUT,
+        .suspend_clr = SPITZ_SCP_SUS_CLR,
+        .suspend_set = SPITZ_SCP_SUS_SET,
+};
+struct platform_device spitzscoop_device = {
+        .name           = "sharp-scoop",
+        .id             = 0,
+        .dev            = {
+                .platform_data  = &spitz_scoop_setup,
+        },
+        .num_resources  = ARRAY_SIZE(spitz_scoop_resources),
+        .resource       = spitz_scoop_resources,
+};
+/*
+ * Spitz SCOOP Device #2
+ */
+static struct resource spitz_scoop2_resources[] = {
+        [0] = {
+                .start          = 0x08800040,
+                .end            = 0x08800fff,
+                .flags          = IORESOURCE_MEM,
+        },
+};
+static struct scoop_config spitz_scoop2_setup = {
+        .io_dir         = SPITZ_SCP2_IO_DIR,
+        .io_out         = SPITZ_SCP2_IO_OUT,
+        .suspend_clr = SPITZ_SCP2_SUS_CLR,
+        .suspend_set = SPITZ_SCP2_SUS_SET,
+};
+struct platform_device spitzscoop2_device = {
+        .name           = "sharp-scoop",
+        .id             = 1,
+        .dev            = {
+                .platform_data  = &spitz_scoop2_setup,
+        },
+        .num_resources  = ARRAY_SIZE(spitz_scoop2_resources),
+        .resource       = spitz_scoop2_resources,
+};
+static struct scoop_pcmcia_dev spitz_pcmcia_scoop[] = {
+{
+        .dev        = &spitzscoop_device.dev,
+        .irq        = SPITZ_IRQ_GPIO_CF_IRQ,
+        .cd_irq     = SPITZ_IRQ_GPIO_CF_CD,
+        .cd_irq_str = "PCMCIA0 CD",
+},{
+        .dev        = &spitzscoop2_device.dev,
+        .irq        = SPITZ_IRQ_GPIO_CF2_IRQ,
+        .cd_irq     = -1,
+},
+};
+/*
+ * Spitz SSP Device
+ *
+ * Set the parent as the scoop device because a lot of SSP devices
+ * also use scoop functions and this makes the power up/down order
+ * work correctly.
+ */
+struct platform_device spitzssp_device = {
+        .name           = "corgi-ssp",
+        .dev            = {
+                .parent = &spitzscoop_device.dev,
+        },
+        .id             = -1,
+};
+struct corgissp_machinfo spitz_ssp_machinfo = {
+        .port           = 2,
+        .cs_lcdcon      = SPITZ_GPIO_LCDCON_CS,
+        .cs_ads7846     = SPITZ_GPIO_ADS7846_CS,
+        .cs_max1111     = SPITZ_GPIO_MAX1111_CS,
+        .clk_lcdcon     = 520,
+        .clk_ads7846    = 14,
+        .clk_max1111    = 56,
+};
+/*
+ * Spitz Backlight Device
+ */
+static struct corgibl_machinfo spitz_bl_machinfo = {
+        .max_intensity = 0x2f,
+};
+static struct platform_device spitzbl_device = {
+        .name           = "corgi-bl",
+        .dev            = {
+                .platform_data  = &spitz_bl_machinfo,
+        },
+        .id             = -1,
+};
+/*
+ * Spitz Keyboard Device
+ */
+static struct platform_device spitzkbd_device = {
+        .name           = "spitz-keyboard",
+        .id             = -1,
+};
+/*
+ * Spitz Touch Screen Device
+ */
+static struct resource spitzts_resources[] = {
+        [0] = {
+                .start          = SPITZ_IRQ_GPIO_TP_INT,
+                .end            = SPITZ_IRQ_GPIO_TP_INT,
+                .flags          = IORESOURCE_IRQ,
+        },
+};
+static struct corgits_machinfo  spitz_ts_machinfo = {
+        .get_hsync_len   = spitz_get_hsync_len,
+        .put_hsync       = spitz_put_hsync,
+        .wait_hsync      = spitz_wait_hsync,
+};
+static struct platform_device spitzts_device = {
+        .name           = "corgi-ts",
+        .dev            = {
+                .parent = &spitzssp_device.dev,
+                .platform_data  = &spitz_ts_machinfo,
+        },
+        .id             = -1,
+        .num_resources  = ARRAY_SIZE(spitzts_resources),
+        .resource       = spitzts_resources,
+};
+/*
+ * MMC/SD Device
+ *
+ * The card detect interrupt isn't debounced so we delay it by 250ms
+ * to give the card a chance to fully insert/eject.
+ */
+static struct pxamci_platform_data spitz_mci_platform_data;
+static int spitz_mci_init(struct device *dev, irqreturn_t (*spitz_detect_int)(int, void *, struct pt_regs *), void *data)
+{
+        int err;
+        /* setup GPIO for PXA27x MMC controller */
+        pxa_gpio_mode(GPIO32_MMCCLK_MD);
+        pxa_gpio_mode(GPIO112_MMCCMD_MD);
+        pxa_gpio_mode(GPIO92_MMCDAT0_MD);
+        pxa_gpio_mode(GPIO109_MMCDAT1_MD);
+        pxa_gpio_mode(GPIO110_MMCDAT2_MD);
+        pxa_gpio_mode(GPIO111_MMCDAT3_MD);
+        pxa_gpio_mode(SPITZ_GPIO_nSD_DETECT | GPIO_IN);
+        pxa_gpio_mode(SPITZ_GPIO_nSD_WP | GPIO_IN);
+        spitz_mci_platform_data.detect_delay = msecs_to_jiffies(250);
+        err = request_irq(SPITZ_IRQ_GPIO_nSD_DETECT, spitz_detect_int, SA_INTERRUPT,
+                             "MMC card detect", data);
+        if (err) {
+                printk(KERN_ERR "spitz_mci_init: MMC/SD: can't request MMC card detect IRQ\n");
+                return -1;
+        }
+        set_irq_type(SPITZ_IRQ_GPIO_nSD_DETECT, IRQT_BOTHEDGE);
+        return 0;
+}
+/* Power control is shared with one of the CF slots so we have a mess */
+static void spitz_mci_setpower(struct device *dev, unsigned int vdd)
+{
+        struct pxamci_platform_data* p_d = dev->platform_data;
+        unsigned short cpr = read_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR);
+        if (( 1 << vdd) & p_d->ocr_mask) {
+                /* printk(KERN_DEBUG "%s: on\n", __FUNCTION__); */
+                set_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+                mdelay(2);
+                write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr | 0x04);
+        } else {
+                /* printk(KERN_DEBUG "%s: off\n", __FUNCTION__); */
+                write_scoop_reg(&spitzscoop_device.dev, SCOOP_CPR, cpr & ~0x04);
+                if (!(cpr | 0x02)) {
+                        mdelay(1);
+                        reset_scoop_gpio(&spitzscoop_device.dev, SPITZ_SCP_CF_POWER);
+                }
+        }
+}
+static int spitz_mci_get_ro(struct device *dev)
+{
+        return GPLR(SPITZ_GPIO_nSD_WP) & GPIO_bit(SPITZ_GPIO_nSD_WP);
+}
+static void spitz_mci_exit(struct device *dev, void *data)
+{
+        free_irq(SPITZ_IRQ_GPIO_nSD_DETECT, data);
+}
+static struct pxamci_platform_data spitz_mci_platform_data = {
+        .ocr_mask       = MMC_VDD_32_33|MMC_VDD_33_34,
+        .init           = spitz_mci_init,
+        .get_ro         = spitz_mci_get_ro,
+        .setpower       = spitz_mci_setpower,
+        .exit           = spitz_mci_exit,
+};
+/*
+ * Spitz PXA Framebuffer
+ */
+static struct pxafb_mach_info spitz_pxafb_info __initdata = {
+        .pixclock       = 19231,
+        .xres           = 480,
+        .yres           = 640,
+        .bpp            = 16,
+        .hsync_len      = 40,
+        .left_margin    = 46,
+        .right_margin   = 125,
+        .vsync_len      = 3,
+        .upper_margin   = 1,
+        .lower_margin   = 0,
+        .sync           = 0,
+        .lccr0          = LCCR0_Color | LCCR0_Sngl | LCCR0_Act | LCCR0_LDDALT | LCCR0_OUC | LCCR0_CMDIM | LCCR0_RDSTM,
+        .lccr3          = LCCR3_PixRsEdg | LCCR3_OutEnH,
+        .pxafb_lcd_power = spitz_lcd_power,
+};
+static struct platform_device *devices[] __initdata = {
+        &spitzscoop_device,
+        &spitzssp_device,
+        &spitzkbd_device,
+        &spitzts_device,
+        &spitzbl_device,
+        &spitzbattery_device,
+};
+static void __init common_init(void)
+{
+        PMCR = 0x00;
+        /* setup sleep mode values */
+        PWER  = 0x00000002;
+        PFER  = 0x00000000;
+        PRER  = 0x00000002;
+        PGSR0 = 0x0158C000;
+        PGSR1 = 0x00FF0080;
+        PGSR2 = 0x0001C004;
+        /* Stop 3.6MHz and drive HIGH to PCMCIA and CS */
+        PCFR |= PCFR_OPDE;
+        corgi_ssp_set_machinfo(&spitz_ssp_machinfo);
+        pxa_gpio_mode(SPITZ_GPIO_HSYNC | GPIO_IN);
+        platform_add_devices(devices, ARRAY_SIZE(devices));
+        pxa_set_mci_info(&spitz_mci_platform_data);
+        pxafb_device.dev.parent = &spitzssp_device.dev;
+        set_pxa_fb_info(&spitz_pxafb_info);
+}
+static void __init spitz_init(void)
+{
+        scoop_num = 2;
+        scoop_devs = &spitz_pcmcia_scoop[0];
+        spitz_bl_machinfo.set_bl_intensity = spitz_bl_set_intensity;
+        common_init();
+        platform_device_register(&spitzscoop2_device);
+}
+static void __init fixup_spitz(struct machine_desc *desc,
+                struct tag *tags, char **cmdline, struct meminfo *mi)
+{
+        sharpsl_save_param();
+        mi->nr_banks = 1;
+        mi->bank[0].start = 0xa0000000;
+        mi->bank[0].node = 0;
+        mi->bank[0].size = (64*1024*1024);
+}
+#ifdef CONFIG_MACH_SPITZ
+MACHINE_START(SPITZ, "SHARP Spitz")
+        .phys_ram       = 0xa0000000,
+        .phys_io        = 0x40000000,
+        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+        .fixup          = fixup_spitz,
+        .map_io         = pxa_map_io,
+        .init_irq       = pxa_init_irq,
+        .init_machine   = spitz_init,
+        .timer          = &pxa_timer,
+MACHINE_END
+#endif
+#ifdef CONFIG_MACH_BORZOI
+MACHINE_START(BORZOI, "SHARP Borzoi")
+        .phys_ram       = 0xa0000000,
+        .phys_io        = 0x40000000,
+        .io_pg_offst    = (io_p2v(0x40000000) >> 18) & 0xfffc,
+        .fixup          = fixup_spitz,
+        .map_io         = pxa_map_io,
+        .init_irq       = pxa_init_irq,
+        .init_machine   = spitz_init,
+        .timer          = &pxa_timer,
+MACHINE_END
+#endif
diff --git a/arch/arm/mach-s3c2410/mach-anubis.c b/arch/arm/mach-s3c2410/mach-anubis.c
index f87aa0b669ad..7c05f27fe1d6 100644
--- a/arch/arm/mach-s3c2410/mach-anubis.c
+++ b/arch/arm/mach-s3c2410/mach-anubis.c
@@ -12,6 +12,7 @@
 *
 * Modifications:
 *      02-May-2005 BJD  Copied from mach-bast.c
+ *      20-Sep-2005 BJD  Added static to non-exported items
 */
 #include <linux/kernel.h>
@@ -232,7 +233,7 @@ static struct s3c24xx_board anubis_board __initdata = {
        .clocks_count  = ARRAY_SIZE(anubis_clocks)
 };
-void __init anubis_map_io(void)
+static void __init anubis_map_io(void)
 {
        /* initialise the clocks */
diff --git a/arch/arm/mach-s3c2410/mach-bast.c b/arch/arm/mach-s3c2410/mach-bast.c
index 1a3367da6408..ed1f07d7252f 100644
--- a/arch/arm/mach-s3c2410/mach-bast.c
+++ b/arch/arm/mach-s3c2410/mach-bast.c
@@ -31,6 +31,7 @@
 *     17-Jul-2005 BJD  Changed to platform device for SuperIO 16550s
 *     25-Jul-2005 BJD  Removed ASIX static mappings
 *     27-Jul-2005 BJD  Ensure maximum frequency of i2c bus
+ *     20-Sep-2005 BJD  Added static to non-exported items
 */
 #include <linux/kernel.h>
@@ -428,7 +429,7 @@ static struct s3c24xx_board bast_board __initdata = {
        .clocks_count  = ARRAY_SIZE(bast_clocks)
 };
-void __init bast_map_io(void)
+static void __init bast_map_io(void)
 {
        /* initialise the clocks */
diff --git a/arch/arm/mach-s3c2410/mach-h1940.c b/arch/arm/mach-s3c2410/mach-h1940.c
index 6ff1889fbd21..fb3cb01266e5 100644
--- a/arch/arm/mach-s3c2410/mach-h1940.c
+++ b/arch/arm/mach-s3c2410/mach-h1940.c
@@ -24,6 +24,7 @@
 *     10-Jan-2005 BJD  Removed include of s3c2410.h
 *     14-Jan-2005 BJD  Added clock init
 *     10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
+ *     20-Sep-2005 BJD  Added static to non-exported items
 */
 #include <linux/kernel.h>
@@ -147,7 +148,7 @@ static struct s3c24xx_board h1940_board __initdata = {
        .devices_count = ARRAY_SIZE(h1940_devices)
 };
-void __init h1940_map_io(void)
+static void __init h1940_map_io(void)
 {
        s3c24xx_init_io(h1940_iodesc, ARRAY_SIZE(h1940_iodesc));
        s3c24xx_init_clocks(0);
@@ -155,13 +156,13 @@ void __init h1940_map_io(void)
        s3c24xx_set_board(&h1940_board);
 }
-void __init h1940_init_irq(void)
+static void __init h1940_init_irq(void)
 {
        s3c24xx_init_irq();
 }
-void __init h1940_init(void)
+static void __init h1940_init(void)
 {
        set_s3c2410fb_info(&h1940_lcdcfg);
 }
diff --git a/arch/arm/mach-s3c2410/mach-n30.c b/arch/arm/mach-s3c2410/mach-n30.c
index 66bf5bb2b3db..5c0f2b091f95 100644
--- a/arch/arm/mach-s3c2410/mach-n30.c
+++ b/arch/arm/mach-s3c2410/mach-n30.c
@@ -97,7 +97,7 @@ static struct s3c24xx_board n30_board __initdata = {
        .devices_count = ARRAY_SIZE(n30_devices)
 };
-void __init n30_map_io(void)
+static void __init n30_map_io(void)
 {
        s3c24xx_init_io(n30_iodesc, ARRAY_SIZE(n30_iodesc));
        s3c24xx_init_clocks(0);
@@ -105,14 +105,14 @@ void __init n30_map_io(void)
        s3c24xx_set_board(&n30_board);
 }
-void __init n30_init_irq(void)
+static void __init n30_init_irq(void)
 {
        s3c24xx_init_irq();
 }
 /* GPB3 is the line that controls the pull-up for the USB D+ line */
-void __init n30_init(void)
+static void __init n30_init(void)
 {
        s3c_device_i2c.dev.platform_data = &n30_i2ccfg;
diff --git a/arch/arm/mach-s3c2410/mach-nexcoder.c b/arch/arm/mach-s3c2410/mach-nexcoder.c
index d24c242414ca..c22f8216032d 100644
--- a/arch/arm/mach-s3c2410/mach-nexcoder.c
+++ b/arch/arm/mach-s3c2410/mach-nexcoder.c
@@ -136,7 +136,7 @@ static void __init nexcoder_sensorboard_init(void)
        s3c2410_gpio_cfgpin(S3C2410_GPF2, S3C2410_GPF2_OUTP); // CAM_GPIO6 => CAM_PWRDN
 }
-void __init nexcoder_map_io(void)
+static void __init nexcoder_map_io(void)
 {
        s3c24xx_init_io(nexcoder_iodesc, ARRAY_SIZE(nexcoder_iodesc));
        s3c24xx_init_clocks(0);
diff --git a/arch/arm/mach-s3c2410/mach-otom.c b/arch/arm/mach-s3c2410/mach-otom.c
index d901ed492ff5..ad1459e402e2 100644
--- a/arch/arm/mach-s3c2410/mach-otom.c
+++ b/arch/arm/mach-s3c2410/mach-otom.c
@@ -105,7 +105,7 @@ static struct s3c24xx_board otom11_board __initdata = {
 };
-void __init otom11_map_io(void)
+static void __init otom11_map_io(void)
 {
        s3c24xx_init_io(otom11_iodesc, ARRAY_SIZE(otom11_iodesc));
        s3c24xx_init_clocks(0);
diff --git a/arch/arm/mach-s3c2410/mach-rx3715.c b/arch/arm/mach-s3c2410/mach-rx3715.c
index a73d61c1de46..22d9e070fd68 100644
--- a/arch/arm/mach-s3c2410/mach-rx3715.c
+++ b/arch/arm/mach-s3c2410/mach-rx3715.c
@@ -16,6 +16,7 @@
 *      14-Jan-2005 BJD  Added new clock init
 *      10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
 *      14-Mar-2005 BJD  Fixed __iomem warnings
+ *      20-Sep-2005 BJD  Added static to non-exported items
 */
 #include <linux/kernel.h>
@@ -108,7 +109,7 @@ static struct s3c24xx_board rx3715_board __initdata = {
        .devices_count = ARRAY_SIZE(rx3715_devices)
 };
-void __init rx3715_map_io(void)
+static void __init rx3715_map_io(void)
 {
        s3c24xx_init_io(rx3715_iodesc, ARRAY_SIZE(rx3715_iodesc));
        s3c24xx_init_clocks(16934000);
@@ -116,7 +117,7 @@ void __init rx3715_map_io(void)
        s3c24xx_set_board(&rx3715_board);
 }
-void __init rx3715_init_irq(void)
+static void __init rx3715_init_irq(void)
 {
        s3c24xx_init_irq();
 }
diff --git a/arch/arm/mach-s3c2410/mach-smdk2410.c b/arch/arm/mach-s3c2410/mach-smdk2410.c
index 67e903a700d3..2eda55a6b678 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2410.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2410.c
@@ -28,6 +28,7 @@
 * Ben Dooks <ben@simtec.co.uk>
 *
 * 10-Mar-2005 LCVR  Changed S3C2410_VA to S3C24XX_VA
+ * 20-Sep-2005 BJD  Added static to non-exported items
 *
 ***********************************************************************/
@@ -97,7 +98,7 @@ static struct s3c24xx_board smdk2410_board __initdata = {
        .devices_count = ARRAY_SIZE(smdk2410_devices)
 };
-void __init smdk2410_map_io(void)
+static void __init smdk2410_map_io(void)
 {
        s3c24xx_init_io(smdk2410_iodesc, ARRAY_SIZE(smdk2410_iodesc));
        s3c24xx_init_clocks(0);
@@ -105,7 +106,7 @@ void __init smdk2410_map_io(void)
        s3c24xx_set_board(&smdk2410_board);
 }
-void __init smdk2410_init_irq(void)
+static void __init smdk2410_init_irq(void)
 {
        s3c24xx_init_irq();
 }
diff --git a/arch/arm/mach-s3c2410/mach-smdk2440.c b/arch/arm/mach-s3c2410/mach-smdk2440.c
index 357522106f68..722ef46b630a 100644
--- a/arch/arm/mach-s3c2410/mach-smdk2440.c
+++ b/arch/arm/mach-s3c2410/mach-smdk2440.c
@@ -18,6 +18,7 @@
 *      22-Feb-2005 BJD   Updated for 2.6.11-rc5 relesa
 *      10-Mar-2005 LCVR  Replaced S3C2410_VA by S3C24XX_VA
 *      14-Mar-2005 BJD   void __iomem fixes
+ *      20-Sep-2005 BJD   Added static to non-exported items
 */
 #include <linux/kernel.h>
@@ -98,7 +99,7 @@ static struct s3c24xx_board smdk2440_board __initdata = {
        .devices_count = ARRAY_SIZE(smdk2440_devices)
 };
-void __init smdk2440_map_io(void)
+static void __init smdk2440_map_io(void)
 {
        s3c24xx_init_io(smdk2440_iodesc, ARRAY_SIZE(smdk2440_iodesc));
        s3c24xx_init_clocks(16934400);
@@ -106,7 +107,7 @@ void __init smdk2440_map_io(void)
        s3c24xx_set_board(&smdk2440_board);
 }
-void __init smdk2440_machine_init(void)
+static void __init smdk2440_machine_init(void)
 {
        /* Configure the LEDs (even if we have no LED support)*/
diff --git a/arch/arm/mach-s3c2410/mach-vr1000.c b/arch/arm/mach-s3c2410/mach-vr1000.c
index 8f9ab2893df4..663a7f98fc0b 100644
--- a/arch/arm/mach-s3c2410/mach-vr1000.c
+++ b/arch/arm/mach-s3c2410/mach-vr1000.c
@@ -28,6 +28,7 @@
 *     10-Mar-2005 LCVR Changed S3C2410_VA to S3C24XX_VA
 *     14-Mar-2006 BJD  void __iomem fixes
 *     22-Jun-2006 BJD  Added DM9000 platform information
+ *     20-Sep-2005 BJD  Added static to non-exported items
 */
 #include <linux/kernel.h>
@@ -347,7 +348,7 @@ static void vr1000_power_off(void)
        s3c2410_gpio_setpin(S3C2410_GPB9, 1);
 }
-void __init vr1000_map_io(void)
+static void __init vr1000_map_io(void)
 {
        /* initialise clock sources */
diff --git a/arch/arm/mach-sa1100/collie.c b/arch/arm/mach-sa1100/collie.c
index 8cb69113a57c..25d6a4e27533 100644
--- a/arch/arm/mach-sa1100/collie.c
+++ b/arch/arm/mach-sa1100/collie.c
@@ -111,12 +111,11 @@ static struct mtd_partition collie_partitions[] = {
 static void collie_set_vpp(int vpp)
 {
-        write_scoop_reg(SCOOP_GPCR, read_scoop_reg(SCOOP_GPCR) | COLLIE_SCP_VPEN);
+        write_scoop_reg(&colliescoop_device.dev, SCOOP_GPCR, read_scoop_reg(SCOOP_GPCR) | COLLIE_SCP_VPEN);
-        if (vpp) {
+        if (vpp)
-                write_scoop_reg(SCOOP_GPWR, read_scoop_reg(SCOOP_GPWR) | COLLIE_SCP_VPEN);
+                write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(SCOOP_GPWR) | COLLIE_SCP_VPEN);
-        } else {
+        else
-                write_scoop_reg(SCOOP_GPWR, read_scoop_reg(SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
+                write_scoop_reg(&colliescoop_device.dev, SCOOP_GPWR, read_scoop_reg(SCOOP_GPWR) & ~COLLIE_SCP_VPEN);
-        }
 }
 static struct flash_platform_data collie_flash_data = {
diff --git a/arch/arm/mach-sa1100/generic.h b/arch/arm/mach-sa1100/generic.h
index 279e3afa3c39..f085d68e568e 100644
--- a/arch/arm/mach-sa1100/generic.h
+++ b/arch/arm/mach-sa1100/generic.h
@@ -39,3 +39,6 @@ extern void sa11x0_set_ssp_data(struct sa11x0_ssp_plat_ops *ops);
 struct irda_platform_data;
 void sa11x0_set_irda_data(struct irda_platform_data *irda);
+struct mcp_plat_data;
+void sa11x0_set_mcp_data(struct mcp_plat_data *data);
diff --git a/arch/arm/mm/fault.c b/arch/arm/mm/fault.c
index 0b6c4db44e08..4a884baf3b9c 100644
--- a/arch/arm/mm/fault.c
+++ b/arch/arm/mm/fault.c
@@ -233,7 +233,17 @@ do_page_fault(unsigned long addr, unsigned int fsr, struct pt_regs *regs)
        if (in_interrupt() || !mm)
                goto no_context;
-        down_read(&mm->mmap_sem);
+        /*
+         * As per x86, we may deadlock here.  However, since the kernel only
+         * validly references user space from well defined areas of the code,
+         * we can bug out early if this is from code which shouldn't.
+         */
+        if (!down_read_trylock(&mm->mmap_sem)) {
+                if (!user_mode(regs) && !search_exception_tables(regs->ARM_pc))
+                        goto no_context;
+                down_read(&mm->mmap_sem);
+        }
        fault = __do_page_fault(mm, addr, fsr, tsk);
        up_read(&mm->mmap_sem);
diff --git a/arch/arm/mm/proc-arm1020.S b/arch/arm/mm/proc-arm1020.S
index 1d739d282a45..82ec954e45b6 100644
--- a/arch/arm/mm/proc-arm1020.S
+++ b/arch/arm/mm/proc-arm1020.S
@@ -509,7 +509,7 @@ cpu_arm1020_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __arm1020_proc_info,#object
 __arm1020_proc_info:
diff --git a/arch/arm/mm/proc-arm1020e.S b/arch/arm/mm/proc-arm1020e.S
index 9b725665b5c7..7375fe930f72 100644
--- a/arch/arm/mm/proc-arm1020e.S
+++ b/arch/arm/mm/proc-arm1020e.S
@@ -491,7 +491,7 @@ cpu_arm1020e_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __arm1020e_proc_info,#object
 __arm1020e_proc_info:
diff --git a/arch/arm/mm/proc-arm1022.S b/arch/arm/mm/proc-arm1022.S
index 37b70fa21c76..6ca639094d6f 100644
--- a/arch/arm/mm/proc-arm1022.S
+++ b/arch/arm/mm/proc-arm1022.S
@@ -473,7 +473,7 @@ cpu_arm1022_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __arm1022_proc_info,#object
 __arm1022_proc_info:
diff --git a/arch/arm/mm/proc-arm1026.S b/arch/arm/mm/proc-arm1026.S
index 931b690d1be2..10317e4f55d2 100644
--- a/arch/arm/mm/proc-arm1026.S
+++ b/arch/arm/mm/proc-arm1026.S
@@ -469,7 +469,7 @@ cpu_arm1026_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __arm1026_proc_info,#object
 __arm1026_proc_info:
diff --git a/arch/arm/mm/proc-arm6_7.S b/arch/arm/mm/proc-arm6_7.S
index d0f1bbb48f6c..8e7e1e70ab05 100644
--- a/arch/arm/mm/proc-arm6_7.S
+++ b/arch/arm/mm/proc-arm6_7.S
@@ -332,7 +332,7 @@ cpu_arm710_name:
                .align
-                .section ".proc.info", #alloc, #execinstr
+                .section ".proc.info.init", #alloc, #execinstr
                .type   __arm6_proc_info, #object
 __arm6_proc_info:
diff --git a/arch/arm/mm/proc-arm720.S b/arch/arm/mm/proc-arm720.S
index c69c9de32391..a13e0184d343 100644
--- a/arch/arm/mm/proc-arm720.S
+++ b/arch/arm/mm/proc-arm720.S
@@ -222,7 +222,7 @@ cpu_arm720_name:
 * See linux/include/asm-arm/procinfo.h for a definition of this structure.
 */
        
-                .section ".proc.info", #alloc, #execinstr
+                .section ".proc.info.init", #alloc, #execinstr
                .type   __arm710_proc_info, #object
 __arm710_proc_info:
diff --git a/arch/arm/mm/proc-arm920.S b/arch/arm/mm/proc-arm920.S
index 0f490a0fcb71..d16513899999 100644
--- a/arch/arm/mm/proc-arm920.S
+++ b/arch/arm/mm/proc-arm920.S
@@ -452,7 +452,7 @@ cpu_arm920_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __arm920_proc_info,#object
 __arm920_proc_info:
diff --git a/arch/arm/mm/proc-arm922.S b/arch/arm/mm/proc-arm922.S
index 62bc34a139ee..23b8ed97f4e3 100644
--- a/arch/arm/mm/proc-arm922.S
+++ b/arch/arm/mm/proc-arm922.S
@@ -456,7 +456,7 @@ cpu_arm922_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __arm922_proc_info,#object
 __arm922_proc_info:
diff --git a/arch/arm/mm/proc-arm925.S b/arch/arm/mm/proc-arm925.S
index ee49aa2ca781..ee95c52db513 100644
--- a/arch/arm/mm/proc-arm925.S
+++ b/arch/arm/mm/proc-arm925.S
@@ -521,7 +521,7 @@ cpu_arm925_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __arm925_proc_info,#object
 __arm925_proc_info:
diff --git a/arch/arm/mm/proc-arm926.S b/arch/arm/mm/proc-arm926.S
index bb95cc9fed03..7d042dc20c47 100644
--- a/arch/arm/mm/proc-arm926.S
+++ b/arch/arm/mm/proc-arm926.S
@@ -471,7 +471,7 @@ cpu_arm926_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __arm926_proc_info,#object
 __arm926_proc_info:
diff --git a/arch/arm/mm/proc-sa110.S b/arch/arm/mm/proc-sa110.S
index 34f7e7d3f419..bd330c4075a1 100644
--- a/arch/arm/mm/proc-sa110.S
+++ b/arch/arm/mm/proc-sa110.S
@@ -249,7 +249,7 @@ cpu_sa110_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __sa110_proc_info,#object
 __sa110_proc_info:
diff --git a/arch/arm/mm/proc-sa1100.S b/arch/arm/mm/proc-sa1100.S
index ca14f80d5ab4..91b89124c0d7 100644
--- a/arch/arm/mm/proc-sa1100.S
+++ b/arch/arm/mm/proc-sa1100.S
@@ -280,7 +280,7 @@ cpu_sa1110_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __sa1100_proc_info,#object
 __sa1100_proc_info:
diff --git a/arch/arm/mm/proc-v6.S b/arch/arm/mm/proc-v6.S
index eb34823c9dbf..caf3b19b167f 100644
--- a/arch/arm/mm/proc-v6.S
+++ b/arch/arm/mm/proc-v6.S
@@ -240,7 +240,7 @@ cpu_elf_name:
        .size   cpu_elf_name, . - cpu_elf_name
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        /*
         * Match any ARMv6 processor core.
diff --git a/arch/arm/mm/proc-xscale.S b/arch/arm/mm/proc-xscale.S
index b88de2700146..861b35947280 100644
--- a/arch/arm/mm/proc-xscale.S
+++ b/arch/arm/mm/proc-xscale.S
@@ -578,7 +578,7 @@ cpu_pxa270_name:
        .align
-        .section ".proc.info", #alloc, #execinstr
+        .section ".proc.info.init", #alloc, #execinstr
        .type   __80200_proc_info,#object
 __80200_proc_info:
diff --git a/arch/arm26/boot/compressed/hw-bse.c b/arch/arm26/boot/compressed/hw-bse.c
deleted file mode 100644
index 3e8f07f8e08a..000000000000
--- a/arch/arm26/boot/compressed/hw-bse.c
+++ /dev/null
@@ -1,74 +0,0 @@
-/*
- * Bright Star Engineering Inc.
- *
- * code for readng parameters from the
- * parameter blocks of the boot block
- * flash memory
- *
- */
-static int strcmp(const char *s1, const char *s2)
-{
-  while (*s1 != '\0' && *s1 == *s2)
-    {
-      s1++;
-      s2++;
-    }
-  return (*(unsigned char *) s1) - (*(unsigned char *) s2);
-}
-struct pblk_t {
-  char type;
-  unsigned short size;
-};
-static char *bse_getflashparam(char *name) {
-  unsigned int esize;
-  char *q,*r;
-  unsigned char *p,*e;
-  struct pblk_t *thepb = (struct pblk_t *) 0x00004000;
-  struct pblk_t *altpb = (struct pblk_t *) 0x00006000;  
-  if (thepb->type&1) {
-    if (altpb->type&1) {
-      /* no valid param block */ 
-      return (char*)0;
-    } else {
-      /* altpb is valid */
-      struct pblk_t *tmp;
-      tmp = thepb;
-      thepb = altpb;
-      altpb = tmp;
-    }
-  }
-  p = (char*)thepb + sizeof(struct pblk_t);
-  e = p + thepb->size; 
-  while (p < e) {
-    q = p;
-    esize = *p;
-    if (esize == 0xFF) break;
-    if (esize == 0) break;
-    if (esize > 127) {
-      esize = (esize&0x7F)<<8 | p[1];
-      q++;
-    }
-    q++;
-    r=q;
-    if (*r && ((name == 0) || (!strcmp(name,r)))) {
-      while (*q++) ;
-      return q;
-    }
-    p+=esize;
-  }
-  return (char*)0;
-}
-void bse_setup(void) {
-  /* extract the linux cmdline from flash */
-  char *name=bse_getflashparam("linuxboot");
-  char *x = (char *)0xc0000100;
-  if (name) { 
-    while (*name) *x++=*name++;
-  }
-  *x=0;
-}
diff --git a/arch/i386/Kconfig b/arch/i386/Kconfig
index b22f003eaa6d..d2703cda61ea 100644
--- a/arch/i386/Kconfig
+++ b/arch/i386/Kconfig
@@ -908,11 +908,6 @@ config IRQBALANCE
          The default yes will allow the kernel to do irq load balancing.
          Saying no will keep the kernel from doing irq load balancing.
-config HAVE_DEC_LOCK
-        bool
-        depends on (SMP || PREEMPT) && X86_CMPXCHG
-        default y
 # turning this on wastes a bunch of space.
 # Summit needs it only when NUMA is on
 config BOOT_IOREMAP
diff --git a/arch/i386/kernel/acpi/earlyquirk.c b/arch/i386/kernel/acpi/earlyquirk.c
index 1ae2aeeda18b..f1b9d2a46dab 100644
--- a/arch/i386/kernel/acpi/earlyquirk.c
+++ b/arch/i386/kernel/acpi/earlyquirk.c
@@ -7,7 +7,6 @@
 #include <linux/pci.h>
 #include <asm/pci-direct.h>
 #include <asm/acpi.h>
-#include <asm/apic.h>
 static int __init check_bridge(int vendor, int device)
 {
@@ -16,15 +15,6 @@ static int __init check_bridge(int vendor, int device)
        if (vendor == PCI_VENDOR_ID_NVIDIA) {
                acpi_skip_timer_override = 1;
        }
-#ifdef CONFIG_X86_LOCAL_APIC
-        /*
-         * ATI IXP chipsets get double timer interrupts.
-         * For now just do this for all ATI chipsets.
-         * FIXME: this needs to be checked for the non ACPI case too.
-         */
-        if (vendor == PCI_VENDOR_ID_ATI)
-                disable_timer_pin_1 = 1;
-#endif
        return 0;
 }
diff --git a/arch/i386/kernel/reboot.c b/arch/i386/kernel/reboot.c
index 1cbb9c0f4704..350ea6680f63 100644
--- a/arch/i386/kernel/reboot.c
+++ b/arch/i386/kernel/reboot.c
@@ -11,6 +11,7 @@
 #include <linux/mc146818rtc.h>
 #include <linux/efi.h>
 #include <linux/dmi.h>
+#include <linux/ctype.h>
 #include <asm/uaccess.h>
 #include <asm/apic.h>
 #include <asm/desc.h>
@@ -28,8 +29,6 @@ static int reboot_thru_bios;
 #ifdef CONFIG_SMP
 static int reboot_cpu = -1;
-/* shamelessly grabbed from lib/vsprintf.c for readability */
-#define is_digit(c)     ((c) >= '0' && (c) <= '9')
 #endif
 static int __init reboot_setup(char *str)
 {
@@ -49,9 +48,9 @@ static int __init reboot_setup(char *str)
                        break;
 #ifdef CONFIG_SMP
                case 's': /* "smp" reboot by executing reset on BSP or other CPU*/
-                        if (is_digit(*(str+1))) {
+                        if (isdigit(*(str+1))) {
                                reboot_cpu = (int) (*(str+1) - '0');
-                                if (is_digit(*(str+2))) 
+                                if (isdigit(*(str+2)))
                                        reboot_cpu = reboot_cpu*10 + (int)(*(str+2) - '0');
                        }
                                /* we will leave sorting out the final value 
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index dc39ca6a7eca..9b8c8a19824d 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -848,9 +848,7 @@ static void __init parse_cmdline_early (char ** cmdline_p)
 #ifdef CONFIG_X86_IO_APIC
                else if (!memcmp(from, "acpi_skip_timer_override", 24))
                        acpi_skip_timer_override = 1;
-#endif
-#ifdef CONFIG_X86_LOCAL_APIC
                if (!memcmp(from, "disable_timer_pin_1", 19))
                        disable_timer_pin_1 = 1;
                if (!memcmp(from, "enable_timer_pin_1", 18))
@@ -859,7 +857,7 @@ static void __init parse_cmdline_early (char ** cmdline_p)
                /* disable IO-APIC */
                else if (!memcmp(from, "noapic", 6))
                        disable_ioapic_setup();
-#endif /* CONFIG_X86_LOCAL_APIC */
+#endif /* CONFIG_X86_IO_APIC */
 #endif /* CONFIG_ACPI */
 #ifdef CONFIG_X86_LOCAL_APIC
diff --git a/arch/i386/kernel/smpboot.c b/arch/i386/kernel/smpboot.c
index c70cd2a08304..5f0a95d76a4f 100644
--- a/arch/i386/kernel/smpboot.c
+++ b/arch/i386/kernel/smpboot.c
@@ -202,7 +202,7 @@ static void __devinit smp_store_cpu_info(int id)
                                goto valid_k7;
                /* If we get here, it's not a certified SMP capable AMD system. */
-                tainted |= TAINT_UNSAFE_SMP;
+                add_taint(TAINT_UNSAFE_SMP);
        }
 valid_k7:
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 09a58cb6daa7..431a551e46ea 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -807,8 +807,9 @@ void math_error(void __user *eip)
        cwd = get_fpu_cwd(task);
        swd = get_fpu_swd(task);
        switch (swd & ~cwd & 0x3f) {
-                case 0x000:
+                case 0x000: /* No unmasked exception */
-                default:
+                        return;
+                default:    /* Multiple exceptions */
                        break;
                case 0x001: /* Invalid Op */
                        /*
diff --git a/arch/i386/lib/Makefile b/arch/i386/lib/Makefile
index 7b1932d20f96..914933e9ec3d 100644
--- a/arch/i386/lib/Makefile
+++ b/arch/i386/lib/Makefile
@@ -7,4 +7,3 @@ lib-y = checksum.o delay.o usercopy.o getuser.o putuser.o memcpy.o strstr.o \
        bitops.o
 lib-$(CONFIG_X86_USE_3DNOW) += mmx.o
-lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o
diff --git a/arch/i386/lib/dec_and_lock.c b/arch/i386/lib/dec_and_lock.c
deleted file mode 100644
index 8b81b2524fa6..000000000000
--- a/arch/i386/lib/dec_and_lock.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * x86 version of "atomic_dec_and_lock()" using
- * the atomic "cmpxchg" instruction.
- *
- * (For CPU's lacking cmpxchg, we use the slow
- * generic version, and this one never even gets
- * compiled).
- */
-#include <linux/spinlock.h>
-#include <linux/module.h>
-#include <asm/atomic.h>
-int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)
-{
-        int counter;
-        int newcount;
-repeat:
-        counter = atomic_read(atomic);
-        newcount = counter-1;
-        if (!newcount)
-                goto slow_path;
-        asm volatile("lock; cmpxchgl %1,%2"
-                :"=a" (newcount)
-                :"r" (newcount), "m" (atomic->counter), "0" (counter));
-        /* If the above failed, "eax" will have changed */
-        if (newcount != counter)
-                goto repeat;
-        return 0;
-slow_path:
-        spin_lock(lock);
-        if (atomic_dec_and_test(atomic))
-                return 1;
-        spin_unlock(lock);
-        return 0;
-}
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index ed25d66c8d50..945c15a0722b 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -298,11 +298,6 @@ config PREEMPT
 source "mm/Kconfig"
-config HAVE_DEC_LOCK
-        bool
-        depends on (SMP || PREEMPT)
-        default y
 config IA32_SUPPORT
        bool "Support for Linux/x86 binaries"
        help
diff --git a/arch/ia64/Makefile b/arch/ia64/Makefile
index 70f8ed2748d1..67932ad53082 100644
--- a/arch/ia64/Makefile
+++ b/arch/ia64/Makefile
@@ -82,17 +82,7 @@ unwcheck: vmlinux
 archclean:
        $(Q)$(MAKE) $(clean)=$(boot)
-archprepare:  include/asm-ia64/.offsets.h.stamp
+CLEAN_FILES += vmlinux.gz bootloader
-include/asm-ia64/.offsets.h.stamp:
-        mkdir -p include/asm-ia64
-        [ -s include/asm-ia64/asm-offsets.h ] \
-        || echo "#define IA64_TASK_SIZE 0" > include/asm-ia64/asm-offsets.h
-        touch $@
-CLEAN_FILES += vmlinux.gz bootloader include/asm-ia64/.offsets.h.stamp
 boot:   lib/lib.a vmlinux
        $(Q)$(MAKE) $(build)=$(boot) $@
diff --git a/arch/ia64/hp/sim/simscsi.c b/arch/ia64/hp/sim/simscsi.c
index 56405dbfd739..a18983a3c934 100644
--- a/arch/ia64/hp/sim/simscsi.c
+++ b/arch/ia64/hp/sim/simscsi.c
@@ -233,6 +233,23 @@ simscsi_readwrite10 (struct scsi_cmnd *sc, int mode)
                simscsi_readwrite(sc, mode, offset, ((sc->cmnd[7] << 8) | sc->cmnd[8])*512);
 }
+static void simscsi_fillresult(struct scsi_cmnd *sc, char *buf, unsigned len)
+{
+        int scatterlen = sc->use_sg;
+        struct scatterlist *slp;
+        if (scatterlen == 0)
+                memcpy(sc->request_buffer, buf, len);
+        else for (slp = (struct scatterlist *)sc->buffer; scatterlen-- > 0 && len > 0; slp++) {
+                unsigned thislen = min(len, slp->length);
+                memcpy(page_address(slp->page) + slp->offset, buf, thislen);
+                slp++;
+                len -= thislen;
+        }
+}
 static int
 simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
 {
@@ -240,6 +257,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
        char fname[MAX_ROOT_LEN+16];
        size_t disk_size;
        char *buf;
+        char localbuf[36];
 #if DEBUG_SIMSCSI
        register long sp asm ("sp");
@@ -263,7 +281,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
                                /* disk doesn't exist... */
                                break;
                        }
-                        buf = sc->request_buffer;
+                        buf = localbuf;
                        buf[0] = 0;     /* magnetic disk */
                        buf[1] = 0;     /* not a removable medium */
                        buf[2] = 2;     /* SCSI-2 compliant device */
@@ -273,6 +291,7 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
                        buf[6] = 0;     /* reserved */
                        buf[7] = 0;     /* various flags */
                        memcpy(buf + 8, "HP      SIMULATED DISK  0.00",  28);
+                        simscsi_fillresult(sc, buf, 36);
                        sc->result = GOOD;
                        break;
@@ -304,16 +323,13 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
                        simscsi_readwrite10(sc, SSC_WRITE);
                        break;
                      case READ_CAPACITY:
                        if (desc[target_id] < 0 || sc->request_bufflen < 8) {
                                break;
                        }
-                        buf = sc->request_buffer;
+                        buf = localbuf;
                        disk_size = simscsi_get_disk_size(desc[target_id]);
-                        /* pretend to be a 1GB disk (partition table contains real stuff): */
                        buf[0] = (disk_size >> 24) & 0xff;
                        buf[1] = (disk_size >> 16) & 0xff;
                        buf[2] = (disk_size >>  8) & 0xff;
@@ -323,13 +339,14 @@ simscsi_queuecommand (struct scsi_cmnd *sc, void (*done)(struct scsi_cmnd *))
                        buf[5] = 0;
                        buf[6] = 2;
                        buf[7] = 0;
+                        simscsi_fillresult(sc, buf, 8);
                        sc->result = GOOD;
                        break;
                      case MODE_SENSE:
                      case MODE_SENSE_10:
                        /* sd.c uses this to determine whether disk does write-caching. */
-                        memset(sc->request_buffer, 0, 128);
+                        simscsi_fillresult(sc, (char *)empty_zero_page, sc->request_bufflen);
                        sc->result = GOOD;
                        break;
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
index 31de70b7c67f..a7280d9f6c16 100644
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -216,12 +216,6 @@ ia32_setup_arg_pages (struct linux_binprm *bprm, int executable_stack)
        if (!mpnt)
                return -ENOMEM;
-        if (security_vm_enough_memory((IA32_STACK_TOP - (PAGE_MASK & (unsigned long) bprm->p))
-                                      >> PAGE_SHIFT)) {
-                kmem_cache_free(vm_area_cachep, mpnt);
-                return -ENOMEM;
-        }
        memset(mpnt, 0, sizeof(*mpnt));
        down_write(&current->mm->mmap_sem);
diff --git a/arch/ia64/kernel/acpi.c b/arch/ia64/kernel/acpi.c
index 28a4529fdd60..7e926471e4ec 100644
--- a/arch/ia64/kernel/acpi.c
+++ b/arch/ia64/kernel/acpi.c
@@ -899,7 +899,7 @@ int acpi_register_ioapic(acpi_handle handle, u64 phys_addr, u32 gsi_base)
        if ((err = iosapic_init(phys_addr, gsi_base)))
                return err;
-#if CONFIG_ACPI_NUMA
+#ifdef CONFIG_ACPI_NUMA
        acpi_map_iosapic(handle, 0, NULL, NULL);
 #endif                          /* CONFIG_ACPI_NUMA */
diff --git a/arch/ia64/kernel/asm-offsets.c b/arch/ia64/kernel/asm-offsets.c
index f6a234289341..77225659e968 100644
--- a/arch/ia64/kernel/asm-offsets.c
+++ b/arch/ia64/kernel/asm-offsets.c
@@ -4,6 +4,7 @@
 * to extract and format the required data.
 */
+#define ASM_OFFSETS_C 1
 #include <linux/config.h>
 #include <linux/sched.h>
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index ba0b6a1f429f..0741b066b98f 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -491,7 +491,7 @@ GLOBAL_ENTRY(prefetch_stack)
        ;;
        lfetch.fault [r16], 128
        br.ret.sptk.many rp
-END(prefetch_switch_stack)
+END(prefetch_stack)
 GLOBAL_ENTRY(execve)
        mov r15=__NR_execve                     // put syscall number in place
diff --git a/arch/ia64/kernel/mca_asm.S b/arch/ia64/kernel/mca_asm.S
index 499a065f4e60..db32fc1d3935 100644
--- a/arch/ia64/kernel/mca_asm.S
+++ b/arch/ia64/kernel/mca_asm.S
@@ -489,24 +489,27 @@ ia64_state_save:
        ;;
        st8 [temp1]=r17,16      // pal_min_state
        st8 [temp2]=r6,16       // prev_IA64_KR_CURRENT
+        mov r6=IA64_KR(CURRENT_STACK)
+        ;;
+        st8 [temp1]=r6,16       // prev_IA64_KR_CURRENT_STACK
+        st8 [temp2]=r0,16       // prev_task, starts off as NULL
        mov r6=cr.ifa
        ;;
-        st8 [temp1]=r0,16       // prev_task, starts off as NULL
+        st8 [temp1]=r12,16      // cr.isr
-        st8 [temp2]=r12,16      // cr.isr
+        st8 [temp2]=r6,16       // cr.ifa
        mov r12=cr.itir
        ;;
-        st8 [temp1]=r6,16       // cr.ifa
+        st8 [temp1]=r12,16      // cr.itir
-        st8 [temp2]=r12,16      // cr.itir
+        st8 [temp2]=r11,16      // cr.iipa
        mov r12=cr.iim
        ;;
-        st8 [temp1]=r11,16      // cr.iipa
+        st8 [temp1]=r12,16      // cr.iim
-        st8 [temp2]=r12,16      // cr.iim
-        mov r6=cr.iha
 (p1)    mov r12=IA64_MCA_COLD_BOOT
 (p2)    mov r12=IA64_INIT_WARM_BOOT
+        mov r6=cr.iha
        ;;
-        st8 [temp1]=r6,16       // cr.iha
+        st8 [temp2]=r6,16       // cr.iha
-        st8 [temp2]=r12         // os_status, default is cold boot
+        st8 [temp1]=r12         // os_status, default is cold boot
        mov r6=IA64_MCA_SAME_CONTEXT
        ;;
        st8 [temp1]=r6          // context, default is same context
@@ -823,9 +826,12 @@ ia64_state_restore:
        ld8 r12=[temp1],16      // sal_ra
        ld8 r9=[temp2],16       // sal_gp
        ;;
-        ld8 r22=[temp1],24      // pal_min_state, virtual.  skip prev_task
+        ld8 r22=[temp1],16      // pal_min_state, virtual
        ld8 r21=[temp2],16      // prev_IA64_KR_CURRENT
        ;;
+        ld8 r16=[temp1],16      // prev_IA64_KR_CURRENT_STACK
+        ld8 r20=[temp2],16      // prev_task
+        ;;
        ld8 temp3=[temp1],16    // cr.isr
        ld8 temp4=[temp2],16    // cr.ifa
        ;;
@@ -846,6 +852,45 @@ ia64_state_restore:
        ld8 r8=[temp1]          // os_status
        ld8 r10=[temp2]         // context
+        /* Wire IA64_TR_CURRENT_STACK to the stack that we are resuming to.  To
+         * avoid any dependencies on the algorithm in ia64_switch_to(), just
+         * purge any existing CURRENT_STACK mapping and insert the new one.
+         *
+         * r16 contains prev_IA64_KR_CURRENT_STACK, r21 contains
+         * prev_IA64_KR_CURRENT, these values may have been changed by the C
+         * code.  Do not use r8, r9, r10, r22, they contain values ready for
+         * the return to SAL.
+         */
+        mov r15=IA64_KR(CURRENT_STACK)          // physical granule mapped by IA64_TR_CURRENT_STACK
+        ;;
+        shl r15=r15,IA64_GRANULE_SHIFT
+        ;;
+        dep r15=-1,r15,61,3                     // virtual granule
+        mov r18=IA64_GRANULE_SHIFT<<2           // for cr.itir.ps
+        ;;
+        ptr.d r15,r18
+        ;;
+        srlz.d
+        extr.u r19=r21,61,3                     // r21 = prev_IA64_KR_CURRENT
+        shl r20=r16,IA64_GRANULE_SHIFT          // r16 = prev_IA64_KR_CURRENT_STACK
+        movl r21=PAGE_KERNEL                    // page properties
+        ;;
+        mov IA64_KR(CURRENT_STACK)=r16
+        cmp.ne p6,p0=RGN_KERNEL,r19             // new stack is in the kernel region?
+        or r21=r20,r21                          // construct PA | page properties
+(p6)    br.spnt 1f                              // the dreaded cpu 0 idle task in region 5:(
+        ;;
+        mov cr.itir=r18
+        mov cr.ifa=r21
+        mov r20=IA64_TR_CURRENT_STACK
+        ;;
+        itr.d dtr[r20]=r21
+        ;;
+        srlz.d
+1:
        br.sptk b0
 //EndStub//////////////////////////////////////////////////////////////////////
@@ -982,6 +1027,7 @@ ia64_set_kernel_registers:
        add temp4=temp4, temp1  // &struct ia64_sal_os_state.os_gp
        add r12=temp1, temp3    // kernel stack pointer on MCA/INIT stack
        add r13=temp1, r3       // set current to start of MCA/INIT stack
+        add r20=temp1, r3       // physical start of MCA/INIT stack
        ;;
        ld8 r1=[temp4]          // OS GP from SAL OS state
        ;;
@@ -991,7 +1037,35 @@ ia64_set_kernel_registers:
        ;;
        mov IA64_KR(CURRENT)=r13
-        // FIXME: do I need to wire IA64_KR_CURRENT_STACK and IA64_TR_CURRENT_STACK?
+        /* Wire IA64_TR_CURRENT_STACK to the MCA/INIT handler stack.  To avoid
+         * any dependencies on the algorithm in ia64_switch_to(), just purge
+         * any existing CURRENT_STACK mapping and insert the new one.
+         */
+        mov r16=IA64_KR(CURRENT_STACK)          // physical granule mapped by IA64_TR_CURRENT_STACK
+        ;;
+        shl r16=r16,IA64_GRANULE_SHIFT
+        ;;
+        dep r16=-1,r16,61,3                     // virtual granule
+        mov r18=IA64_GRANULE_SHIFT<<2           // for cr.itir.ps
+        ;;
+        ptr.d r16,r18
+        ;;
+        srlz.d
+        shr.u r16=r20,IA64_GRANULE_SHIFT        // r20 = physical start of MCA/INIT stack
+        movl r21=PAGE_KERNEL                    // page properties
+        ;;
+        mov IA64_KR(CURRENT_STACK)=r16
+        or r21=r20,r21                          // construct PA | page properties
+        ;;
+        mov cr.itir=r18
+        mov cr.ifa=r13
+        mov r20=IA64_TR_CURRENT_STACK
+        ;;
+        itr.d dtr[r20]=r21
+        ;;
+        srlz.d
        br.sptk b0
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 6e683745af49..f081c60ab206 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -56,8 +56,9 @@ static struct page *page_isolate[MAX_PAGE_ISOLATE];
 static int num_page_isolate = 0;
 typedef enum {
-        ISOLATE_NG = 0,
+        ISOLATE_NG,
-        ISOLATE_OK = 1
+        ISOLATE_OK,
+        ISOLATE_NONE
 } isolate_status_t;
 /*
@@ -74,7 +75,7 @@ static struct {
 * @paddr:      poisoned memory location
 *
 * Return value:
- *      ISOLATE_OK / ISOLATE_NG
+ *      one of isolate_status_t, ISOLATE_OK/NG/NONE.
 */
 static isolate_status_t
@@ -84,23 +85,26 @@ mca_page_isolate(unsigned long paddr)
        struct page *p;
        /* whether physical address is valid or not */
-        if ( !ia64_phys_addr_valid(paddr) ) 
+        if (!ia64_phys_addr_valid(paddr))
-                return ISOLATE_NG;
+                return ISOLATE_NONE;
+        if (!pfn_valid(paddr))
+                return ISOLATE_NONE;
        /* convert physical address to physical page number */
        p = pfn_to_page(paddr>>PAGE_SHIFT);
        /* check whether a page number have been already registered or not */
-        for( i = 0; i < num_page_isolate; i++ )
+        for (i = 0; i < num_page_isolate; i++)
-                if( page_isolate[i] == p )
+                if (page_isolate[i] == p)
                        return ISOLATE_OK; /* already listed */
        /* limitation check */
-        if( num_page_isolate == MAX_PAGE_ISOLATE ) 
+        if (num_page_isolate == MAX_PAGE_ISOLATE)
                return ISOLATE_NG;
        /* kick pages having attribute 'SLAB' or 'Reserved' */
-        if( PageSlab(p) || PageReserved(p) ) 
+        if (PageSlab(p) || PageReserved(p))
                return ISOLATE_NG;
        /* add attribute 'Reserved' and register the page */
@@ -122,10 +126,15 @@ mca_handler_bh(unsigned long paddr)
                current->pid, current->comm);
        spin_lock(&mca_bh_lock);
-        if (mca_page_isolate(paddr) == ISOLATE_OK) {
+        switch (mca_page_isolate(paddr)) {
+        case ISOLATE_OK:
                printk(KERN_DEBUG "Page isolation: ( %lx ) success.\n", paddr);
-        } else {
+                break;
+        case ISOLATE_NG:
                printk(KERN_DEBUG "Page isolation: ( %lx ) failure.\n", paddr);
+                break;
+        default:
+                break;
        }
        spin_unlock(&mca_bh_lock);
@@ -139,10 +148,10 @@ mca_handler_bh(unsigned long paddr)
 * @peidx:      pointer to index of processor error section
 */
-static void 
+static void
 mca_make_peidx(sal_log_processor_info_t *slpi, peidx_table_t *peidx)
 {
-        /* 
+        /*
         * calculate the start address of
         *   "struct cpuid_info" and "sal_processor_static_info_t".
         */
@@ -164,7 +173,7 @@ mca_make_peidx(sal_log_processor_info_t *slpi, peidx_table_t *peidx)
 }
 /**
- * mca_make_slidx -  Make index of SAL error record 
+ * mca_make_slidx -  Make index of SAL error record
 * @buffer:     pointer to SAL error record
 * @slidx:      pointer to index of SAL error record
 *
@@ -172,12 +181,12 @@ mca_make_peidx(sal_log_processor_info_t *slpi, peidx_table_t *peidx)
 *      1 if record has platform error / 0 if not
 */
 #define LOG_INDEX_ADD_SECT_PTR(sect, ptr) \
-        { slidx_list_t *hl = &slidx_pool.buffer[slidx_pool.cur_idx]; \
+        {slidx_list_t *hl = &slidx_pool.buffer[slidx_pool.cur_idx]; \
-          hl->hdr = ptr; \
+        hl->hdr = ptr; \
-          list_add(&hl->list, &(sect)); \
+        list_add(&hl->list, &(sect)); \
-          slidx_pool.cur_idx = (slidx_pool.cur_idx + 1)%slidx_pool.max_idx; }
+        slidx_pool.cur_idx = (slidx_pool.cur_idx + 1)%slidx_pool.max_idx; }
-static int 
+static int
 mca_make_slidx(void *buffer, slidx_table_t *slidx)
 {
        int platform_err = 0;
@@ -214,28 +223,36 @@ mca_make_slidx(void *buffer, slidx_table_t *slidx)
                sp = (sal_log_section_hdr_t *)((char*)buffer + ercd_pos);
                if (!efi_guidcmp(sp->guid, SAL_PROC_DEV_ERR_SECT_GUID)) {
                        LOG_INDEX_ADD_SECT_PTR(slidx->proc_err, sp);
-                } else if (!efi_guidcmp(sp->guid, SAL_PLAT_MEM_DEV_ERR_SECT_GUID)) {
+                } else if (!efi_guidcmp(sp->guid,
+                                SAL_PLAT_MEM_DEV_ERR_SECT_GUID)) {
                        platform_err = 1;
                        LOG_INDEX_ADD_SECT_PTR(slidx->mem_dev_err, sp);
-                } else if (!efi_guidcmp(sp->guid, SAL_PLAT_SEL_DEV_ERR_SECT_GUID)) {
+                } else if (!efi_guidcmp(sp->guid,
+                                SAL_PLAT_SEL_DEV_ERR_SECT_GUID)) {
                        platform_err = 1;
                        LOG_INDEX_ADD_SECT_PTR(slidx->sel_dev_err, sp);
-                } else if (!efi_guidcmp(sp->guid, SAL_PLAT_PCI_BUS_ERR_SECT_GUID)) {
+                } else if (!efi_guidcmp(sp->guid,
+                                SAL_PLAT_PCI_BUS_ERR_SECT_GUID)) {
                        platform_err = 1;
                        LOG_INDEX_ADD_SECT_PTR(slidx->pci_bus_err, sp);
-                } else if (!efi_guidcmp(sp->guid, SAL_PLAT_SMBIOS_DEV_ERR_SECT_GUID)) {
+                } else if (!efi_guidcmp(sp->guid,
+                                SAL_PLAT_SMBIOS_DEV_ERR_SECT_GUID)) {
                        platform_err = 1;
                        LOG_INDEX_ADD_SECT_PTR(slidx->smbios_dev_err, sp);
-                } else if (!efi_guidcmp(sp->guid, SAL_PLAT_PCI_COMP_ERR_SECT_GUID)) {
+                } else if (!efi_guidcmp(sp->guid,
+                                SAL_PLAT_PCI_COMP_ERR_SECT_GUID)) {
                        platform_err = 1;
                        LOG_INDEX_ADD_SECT_PTR(slidx->pci_comp_err, sp);
-                } else if (!efi_guidcmp(sp->guid, SAL_PLAT_SPECIFIC_ERR_SECT_GUID)) {
+                } else if (!efi_guidcmp(sp->guid,
+                                SAL_PLAT_SPECIFIC_ERR_SECT_GUID)) {
                        platform_err = 1;
                        LOG_INDEX_ADD_SECT_PTR(slidx->plat_specific_err, sp);
-                } else if (!efi_guidcmp(sp->guid, SAL_PLAT_HOST_CTLR_ERR_SECT_GUID)) {
+                } else if (!efi_guidcmp(sp->guid,
+                                SAL_PLAT_HOST_CTLR_ERR_SECT_GUID)) {
                        platform_err = 1;
                        LOG_INDEX_ADD_SECT_PTR(slidx->host_ctlr_err, sp);
-                } else if (!efi_guidcmp(sp->guid, SAL_PLAT_BUS_ERR_SECT_GUID)) {
+                } else if (!efi_guidcmp(sp->guid,
+                                SAL_PLAT_BUS_ERR_SECT_GUID)) {
                        platform_err = 1;
                        LOG_INDEX_ADD_SECT_PTR(slidx->plat_bus_err, sp);
                } else {
@@ -253,15 +270,16 @@ mca_make_slidx(void *buffer, slidx_table_t *slidx)
 * Return value:
 *      0 on Success / -ENOMEM on Failure
 */
-static int 
+static int
 init_record_index_pools(void)
 {
        int i;
        int rec_max_size;  /* Maximum size of SAL error records */
        int sect_min_size; /* Minimum size of SAL error sections */
        /* minimum size table of each section */
-        static int sal_log_sect_min_sizes[] = { 
+        static int sal_log_sect_min_sizes[] = {
-                sizeof(sal_log_processor_info_t) + sizeof(sal_processor_static_info_t),
+                sizeof(sal_log_processor_info_t)
+                + sizeof(sal_processor_static_info_t),
                sizeof(sal_log_mem_dev_err_info_t),
                sizeof(sal_log_sel_dev_err_info_t),
                sizeof(sal_log_pci_bus_err_info_t),
@@ -294,7 +312,8 @@ init_record_index_pools(void)
        /* - 3 - */
        slidx_pool.max_idx = (rec_max_size/sect_min_size) * 2 + 1;
-        slidx_pool.buffer = (slidx_list_t *) kmalloc(slidx_pool.max_idx * sizeof(slidx_list_t), GFP_KERNEL);
+        slidx_pool.buffer = (slidx_list_t *)
+                kmalloc(slidx_pool.max_idx * sizeof(slidx_list_t), GFP_KERNEL);
        return slidx_pool.buffer ? 0 : -ENOMEM;
 }
@@ -308,6 +327,7 @@ init_record_index_pools(void)
 * is_mca_global - Check whether this MCA is global or not
 * @peidx:      pointer of index of processor error section
 * @pbci:       pointer to pal_bus_check_info_t
+ * @sos:        pointer to hand off struct between SAL and OS
 *
 * Return value:
 *      MCA_IS_LOCAL / MCA_IS_GLOBAL
@@ -317,11 +337,12 @@ static mca_type_t
 is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci,
              struct ia64_sal_os_state *sos)
 {
-        pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
+        pal_processor_state_info_t *psp =
+                (pal_processor_state_info_t*)peidx_psp(peidx);
-        /* 
+        /*
         * PAL can request a rendezvous, if the MCA has a global scope.
-         * If "rz_always" flag is set, SAL requests MCA rendezvous 
+         * If "rz_always" flag is set, SAL requests MCA rendezvous
         * in spite of global MCA.
         * Therefore it is local MCA when rendezvous has not been requested.
         * Failed to rendezvous, the system must be down.
@@ -381,13 +402,15 @@ is_mca_global(peidx_table_t *peidx, pal_bus_check_info_t *pbci,
 * @slidx:      pointer of index of SAL error record
 * @peidx:      pointer of index of processor error section
 * @pbci:       pointer of pal_bus_check_info
+ * @sos:        pointer to hand off struct between SAL and OS
 *
 * Return value:
 *      1 on Success / 0 on Failure
 */
 static int
-recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+recover_from_read_error(slidx_table_t *slidx,
+                        peidx_table_t *peidx, pal_bus_check_info_t *pbci,
                        struct ia64_sal_os_state *sos)
 {
        sal_log_mod_error_info_t *smei;
@@ -453,24 +476,28 @@ recover_from_read_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_chec
 * @slidx:      pointer of index of SAL error record
 * @peidx:      pointer of index of processor error section
 * @pbci:       pointer of pal_bus_check_info
+ * @sos:        pointer to hand off struct between SAL and OS
 *
 * Return value:
 *      1 on Success / 0 on Failure
 */
 static int
-recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx,
+                            pal_bus_check_info_t *pbci,
                            struct ia64_sal_os_state *sos)
 {
        int status = 0;
-        pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
+        pal_processor_state_info_t *psp =
+                (pal_processor_state_info_t*)peidx_psp(peidx);
        if (psp->bc && pbci->eb && pbci->bsi == 0) {
                switch(pbci->type) {
                case 1: /* partial read */
                case 3: /* full line(cpu) read */
                case 9: /* I/O space read */
-                        status = recover_from_read_error(slidx, peidx, pbci, sos);
+                        status = recover_from_read_error(slidx, peidx, pbci,
+                                                         sos);
                        break;
                case 0: /* unknown */
                case 2: /* partial write */
@@ -481,7 +508,8 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_
                case 8: /* write coalescing transactions */
                case 10: /* I/O space write */
                case 11: /* inter-processor interrupt message(IPI) */
-                case 12: /* interrupt acknowledge or external task priority cycle */
+                case 12: /* interrupt acknowledge or
+                                external task priority cycle */
                default:
                        break;
                }
@@ -496,6 +524,7 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_
 * @slidx:      pointer of index of SAL error record
 * @peidx:      pointer of index of processor error section
 * @pbci:       pointer of pal_bus_check_info
+ * @sos:        pointer to hand off struct between SAL and OS
 *
 * Return value:
 *      1 on Success / 0 on Failure
@@ -509,15 +538,17 @@ recover_from_platform_error(slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_
 */
 static int
-recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *peidx, pal_bus_check_info_t *pbci,
+recover_from_processor_error(int platform, slidx_table_t *slidx,
+                             peidx_table_t *peidx, pal_bus_check_info_t *pbci,
                             struct ia64_sal_os_state *sos)
 {
-        pal_processor_state_info_t *psp = (pal_processor_state_info_t*)peidx_psp(peidx);
+        pal_processor_state_info_t *psp =
+                (pal_processor_state_info_t*)peidx_psp(peidx);
-        /* 
+        /*
         * We cannot recover errors with other than bus_check.
         */
-        if (psp->cc || psp->rc || psp->uc) 
+        if (psp->cc || psp->rc || psp->uc)
                return 0;
        /*
@@ -546,10 +577,10 @@ recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *
         * (e.g. a load from poisoned memory)
         * This means "there are some platform errors".
         */
-        if (platform) 
+        if (platform)
                return recover_from_platform_error(slidx, peidx, pbci, sos);
-        /* 
+        /*
-         * On account of strange SAL error record, we cannot recover. 
+         * On account of strange SAL error record, we cannot recover.
         */
        return 0;
 }
@@ -557,14 +588,14 @@ recover_from_processor_error(int platform, slidx_table_t *slidx, peidx_table_t *
 /**
 * mca_try_to_recover - Try to recover from MCA
 * @rec:        pointer to a SAL error record
+ * @sos:        pointer to hand off struct between SAL and OS
 *
 * Return value:
 *      1 on Success / 0 on Failure
 */
 static int
-mca_try_to_recover(void *rec, 
+mca_try_to_recover(void *rec, struct ia64_sal_os_state *sos)
-        struct ia64_sal_os_state *sos)
 {
        int platform_err;
        int n_proc_err;
@@ -588,7 +619,8 @@ mca_try_to_recover(void *rec,
        }
        /* Make index of processor error section */
-        mca_make_peidx((sal_log_processor_info_t*)slidx_first_entry(&slidx.proc_err)->hdr, &peidx);
+        mca_make_peidx((sal_log_processor_info_t*)
+                slidx_first_entry(&slidx.proc_err)->hdr, &peidx);
        /* Extract Processor BUS_CHECK[0] */
        *((u64*)&pbci) = peidx_check_info(&peidx, bus_check, 0);
@@ -598,7 +630,8 @@ mca_try_to_recover(void *rec,
                return 0;
        
        /* Try to recover a processor error */
-        return recover_from_processor_error(platform_err, &slidx, &peidx, &pbci, sos);
+        return recover_from_processor_error(platform_err, &slidx, &peidx,
+                                            &pbci, sos);
 }
 /*
@@ -611,7 +644,7 @@ int __init mca_external_handler_init(void)
                return -ENOMEM;
        /* register external mca handlers */
-        if (ia64_reg_MCA_extension(mca_try_to_recover)){        
+        if (ia64_reg_MCA_extension(mca_try_to_recover)) {       
                printk(KERN_ERR "ia64_reg_MCA_extension failed.\n");
                kfree(slidx_pool.buffer);
                return -EFAULT;
diff --git a/arch/ia64/kernel/mca_drv.h b/arch/ia64/kernel/mca_drv.h
index 0227b761f2c4..e2f6fa1e0ef6 100644
--- a/arch/ia64/kernel/mca_drv.h
+++ b/arch/ia64/kernel/mca_drv.h
@@ -6,7 +6,7 @@
 * Copyright (C) Hidetoshi Seto (seto.hidetoshi@jp.fujitsu.com)
 */
 /*
- * Processor error section: 
+ * Processor error section:
 *
 *  +-sal_log_processor_info_t *info-------------+
 *  | sal_log_section_hdr_t header;              |
diff --git a/arch/ia64/kernel/mca_drv_asm.S b/arch/ia64/kernel/mca_drv_asm.S
index 2d7e0217638d..3f298ee4d00c 100644
--- a/arch/ia64/kernel/mca_drv_asm.S
+++ b/arch/ia64/kernel/mca_drv_asm.S
@@ -13,45 +13,45 @@
 #include <asm/ptrace.h>
 GLOBAL_ENTRY(mca_handler_bhhook)
-        invala                                          // clear RSE ?
+        invala                          // clear RSE ?
-        ;;                                              //
+        ;;
-        cover                                           // 
+        cover
-        ;;                                              //
+        ;;
-        clrrrb                                          //
+        clrrrb
        ;;                                              
-        alloc           r16=ar.pfs,0,2,1,0              // make a new frame
+        alloc   r16=ar.pfs,0,2,1,0      // make a new frame
        ;;
-        mov             ar.rsc=0
+        mov     ar.rsc=0
        ;;
-        mov             r13=IA64_KR(CURRENT)            // current task pointer
+        mov     r13=IA64_KR(CURRENT)    // current task pointer
        ;;
-        mov             r2=r13
+        mov     r2=r13
        ;;
-        addl            r22=IA64_RBS_OFFSET,r2
+        addl    r22=IA64_RBS_OFFSET,r2
        ;;
-        mov             ar.bspstore=r22
+        mov     ar.bspstore=r22
        ;;
-        addl            sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2
+        addl    sp=IA64_STK_OFFSET-IA64_PT_REGS_SIZE,r2
        ;;
-        adds            r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
+        adds    r2=IA64_TASK_THREAD_ON_USTACK_OFFSET,r13
        ;;
-        st1             [r2]=r0                         // clear current->thread.on_ustack flag
+        st1     [r2]=r0         // clear current->thread.on_ustack flag
-        mov             loc0=r16
+        mov     loc0=r16
-        movl            loc1=mca_handler_bh             // recovery C function
+        movl    loc1=mca_handler_bh     // recovery C function
        ;;
-        mov             out0=r8                         // poisoned address
+        mov     out0=r8                 // poisoned address
-        mov             b6=loc1
+        mov     b6=loc1
        ;;
-        mov             loc1=rp
+        mov     loc1=rp
        ;;
-        ssm             psr.i
+        ssm     psr.i
        ;;
-        br.call.sptk.many    rp=b6                      // does not return ...
+        br.call.sptk.many rp=b6         // does not return ...
        ;;
-        mov             ar.pfs=loc0
+        mov     ar.pfs=loc0
-        mov             rp=loc1
+        mov     rp=loc1
        ;;
-        mov             r8=r0
+        mov     r8=r0
        br.ret.sptk.many rp
        ;;
 END(mca_handler_bhhook)
diff --git a/arch/ia64/kernel/perfmon.c b/arch/ia64/kernel/perfmon.c
index 1650353e3f77..d71731ee5b61 100644
--- a/arch/ia64/kernel/perfmon.c
+++ b/arch/ia64/kernel/perfmon.c
@@ -574,7 +574,7 @@ pfm_protect_ctx_ctxsw(pfm_context_t *x)
        return 0UL;
 }
-static inline unsigned long
+static inline void
 pfm_unprotect_ctx_ctxsw(pfm_context_t *x, unsigned long f)
 {
        spin_unlock(&(x)->ctx_lock);
@@ -2218,12 +2218,13 @@ static void
 pfm_free_fd(int fd, struct file *file)
 {
        struct files_struct *files = current->files;
-        struct fdtable *fdt = files_fdtable(files);
+        struct fdtable *fdt;
        /* 
         * there ie no fd_uninstall(), so we do it here
         */
        spin_lock(&files->file_lock);
+        fdt = files_fdtable(files);
        rcu_assign_pointer(fdt->fd[fd], NULL);
        spin_unlock(&files->file_lock);
diff --git a/arch/ia64/lib/Makefile b/arch/ia64/lib/Makefile
index 799407e7726f..cb1af597370b 100644
--- a/arch/ia64/lib/Makefile
+++ b/arch/ia64/lib/Makefile
@@ -15,7 +15,6 @@ lib-$(CONFIG_ITANIUM)	+= copy_page.o copy_user.o memcpy.o
 lib-$(CONFIG_MCKINLEY)  += copy_page_mck.o memcpy_mck.o
 lib-$(CONFIG_PERFMON)   += carta_random.o
 lib-$(CONFIG_MD_RAID5)  += xor.o
-lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o
 AFLAGS___divdi3.o       =
 AFLAGS___udivdi3.o      = -DUNSIGNED
diff --git a/arch/ia64/lib/dec_and_lock.c b/arch/ia64/lib/dec_and_lock.c
deleted file mode 100644
index c7ce92f968f1..000000000000
--- a/arch/ia64/lib/dec_and_lock.c
+++ /dev/null
@@ -1,42 +0,0 @@
-/*
- * Copyright (C) 2003 Jerome Marchand, Bull S.A.
- *      Cleaned up by David Mosberger-Tang <davidm@hpl.hp.com>
- *
- * This file is released under the GPLv2, or at your option any later version.
- *
- * ia64 version of "atomic_dec_and_lock()" using the atomic "cmpxchg" instruction.  This
- * code is an adaptation of the x86 version of "atomic_dec_and_lock()".
- */
-#include <linux/compiler.h>
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-/*
- * Decrement REFCOUNT and if the count reaches zero, acquire the spinlock.  Both of these
- * operations have to be done atomically, so that the count doesn't drop to zero without
- * acquiring the spinlock first.
- */
-int
-_atomic_dec_and_lock (atomic_t *refcount, spinlock_t *lock)
-{
-        int old, new;
-        do {
-                old = atomic_read(refcount);
-                new = old - 1;
-                if (unlikely (old == 1)) {
-                        /* oops, we may be decrementing to zero, do it the slow way... */
-                        spin_lock(lock);
-                        if (atomic_dec_and_test(refcount))
-                                return 1;
-                        spin_unlock(lock);
-                        return 0;
-                }
-        } while (cmpxchg(&refcount->counter, old, new) != old);
-        return 0;
-}
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/m32r/Kconfig b/arch/m32r/Kconfig
index 1ef3987ebc6a..4d100f3886e1 100644
--- a/arch/m32r/Kconfig
+++ b/arch/m32r/Kconfig
@@ -220,11 +220,6 @@ config PREEMPT
          Say Y here if you are building a kernel for a desktop, embedded
          or real-time system.  Say N if you are unsure.
-config HAVE_DEC_LOCK
-        bool
-        depends on (SMP || PREEMPT)
-        default n
 config SMP
        bool "Symmetric multi-processing support"
        ---help---
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 0eb71ac303af..4cd724c05700 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -1009,10 +1009,6 @@ config GENERIC_CALIBRATE_DELAY
        bool
        default y
-config HAVE_DEC_LOCK
-        bool
-        default y
 #
 # Select some configuration options automatically based on user selections.
 #
diff --git a/arch/mips/kernel/sysirix.c b/arch/mips/kernel/sysirix.c
index 4de155699c4f..7ae4af476974 100644
--- a/arch/mips/kernel/sysirix.c
+++ b/arch/mips/kernel/sysirix.c
@@ -581,18 +581,13 @@ asmlinkage int irix_brk(unsigned long brk)
        }
        /*
-         * Check if we have enough memory..
+         * Ok, looks good - let it rip.
         */
-        if (security_vm_enough_memory((newbrk-oldbrk) >> PAGE_SHIFT)) {
+        if (do_brk(oldbrk, newbrk-oldbrk) != oldbrk) {
                ret = -ENOMEM;
                goto out;
        }
-        /*
-         * Ok, looks good - let it rip.
-         */
        mm->brk = brk;
-        do_brk(oldbrk, newbrk-oldbrk);
        ret = 0;
 out:
diff --git a/arch/mips/lib/Makefile b/arch/mips/lib/Makefile
index 21b92b9dd013..037303412909 100644
--- a/arch/mips/lib/Makefile
+++ b/arch/mips/lib/Makefile
@@ -2,7 +2,7 @@
 # Makefile for MIPS-specific library files..
 #
-lib-y   += csum_partial_copy.o dec_and_lock.o memcpy.o promlib.o \
+lib-y   += csum_partial_copy.o memcpy.o promlib.o \
           strlen_user.o strncpy_user.o strnlen_user.o
 obj-y   += iomap.o
diff --git a/arch/mips/lib/dec_and_lock.c b/arch/mips/lib/dec_and_lock.c
deleted file mode 100644
index fd82c84a93b7..000000000000
--- a/arch/mips/lib/dec_and_lock.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * MIPS version of atomic_dec_and_lock() using cmpxchg
- *
- * 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.
- */
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-#include <asm/system.h>
-/*
- * This is an implementation of the notion of "decrement a
- * reference count, and return locked if it decremented to zero".
- *
- * This implementation can be used on any architecture that
- * has a cmpxchg, and where atomic->value is an int holding
- * the value of the atomic (i.e. the high bits aren't used
- * for a lock or anything like that).
- */
-int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)
-{
-        int counter;
-        int newcount;
-        for (;;) {
-                counter = atomic_read(atomic);
-                newcount = counter - 1;
-                if (!newcount)
-                        break;          /* do it the slow way */
-                newcount = cmpxchg(&atomic->counter, counter, newcount);
-                if (newcount == counter)
-                        return 0;
-        }
-        spin_lock(lock);
-        if (atomic_dec_and_test(atomic))
-                return 1;
-        spin_unlock(lock);
-        return 0;
-}
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/ppc/Kconfig b/arch/ppc/Kconfig
index 347ea284140b..776941c75672 100644
--- a/arch/ppc/Kconfig
+++ b/arch/ppc/Kconfig
@@ -26,10 +26,6 @@ config GENERIC_CALIBRATE_DELAY
        bool
        default y
-config HAVE_DEC_LOCK
-        bool
-        default y
 config PPC
        bool
        default y
diff --git a/arch/ppc/kernel/Makefile b/arch/ppc/kernel/Makefile
index 1fb92f16acd6..b1457a8a9c0f 100644
--- a/arch/ppc/kernel/Makefile
+++ b/arch/ppc/kernel/Makefile
@@ -15,9 +15,8 @@ extra-y				+= vmlinux.lds
 obj-y                           := entry.o traps.o irq.o idle.o time.o misc.o \
                                        process.o signal.o ptrace.o align.o \
                                        semaphore.o syscalls.o setup.o \
-                                        cputable.o ppc_htab.o
+                                        cputable.o ppc_htab.o perfmon.o
 obj-$(CONFIG_6xx)               += l2cr.o cpu_setup_6xx.o
-obj-$(CONFIG_E500)              += perfmon.o
 obj-$(CONFIG_SOFTWARE_SUSPEND)  += swsusp.o
 obj-$(CONFIG_POWER4)            += cpu_setup_power4.o
 obj-$(CONFIG_MODULES)           += module.o ppc_ksyms.o
diff --git a/arch/ppc/kernel/perfmon.c b/arch/ppc/kernel/perfmon.c
index fa1dad96b830..04c18788e85f 100644
--- a/arch/ppc/kernel/perfmon.c
+++ b/arch/ppc/kernel/perfmon.c
@@ -45,7 +45,7 @@ static void dummy_perf(struct pt_regs *regs)
        mtpmr(PMRN_PMGC0, pmgc0);
 }
-#else
+#elif CONFIG_6xx
 /* Ensure exceptions are disabled */
 static void dummy_perf(struct pt_regs *regs)
@@ -55,6 +55,10 @@ static void dummy_perf(struct pt_regs *regs)
        mmcr0 &= ~MMCR0_PMXE;
        mtspr(SPRN_MMCR0, mmcr0);
 }
+#else
+static void dummy_perf(struct pt_regs *regs)
+{
+}
 #endif
 void (*perf_irq)(struct pt_regs *) = dummy_perf;
diff --git a/arch/ppc/kernel/temp.c b/arch/ppc/kernel/temp.c
index fe8bb634ead0..26bd8ea35a4e 100644
--- a/arch/ppc/kernel/temp.c
+++ b/arch/ppc/kernel/temp.c
@@ -21,7 +21,6 @@
 #include <linux/interrupt.h>
 #include <linux/init.h>
-#include <asm/segment.h>
 #include <asm/io.h>
 #include <asm/reg.h>
 #include <asm/nvram.h>
diff --git a/arch/ppc/kernel/time.c b/arch/ppc/kernel/time.c
index a3c5281a5d2d..22d7fd1e0aea 100644
--- a/arch/ppc/kernel/time.c
+++ b/arch/ppc/kernel/time.c
@@ -58,7 +58,6 @@
 #include <linux/init.h>
 #include <linux/profile.h>
-#include <asm/segment.h>
 #include <asm/io.h>
 #include <asm/nvram.h>
 #include <asm/cache.h>
diff --git a/arch/ppc/kernel/vmlinux.lds.S b/arch/ppc/kernel/vmlinux.lds.S
index 9353584fb710..17d2db7e537d 100644
--- a/arch/ppc/kernel/vmlinux.lds.S
+++ b/arch/ppc/kernel/vmlinux.lds.S
@@ -96,6 +96,9 @@ SECTIONS
        *(.init.text)
        _einittext = .;
  }
+  /* .exit.text is discarded at runtime, not link time,
+     to deal with references from __bug_table */
+  .exit.text : { *(.exit.text) }
  .init.data : {
    *(.init.data);
    __vtop_table_begin = .;
@@ -190,5 +193,6 @@ SECTIONS
  /* Sections to be discarded. */
  /DISCARD/ : {
    *(.exitcall.exit)
+    *(.exit.data)
  }
 }
diff --git a/arch/ppc/lib/Makefile b/arch/ppc/lib/Makefile
index f1e1fb4144f0..50358e4ea159 100644
--- a/arch/ppc/lib/Makefile
+++ b/arch/ppc/lib/Makefile
@@ -2,7 +2,7 @@
 # Makefile for ppc-specific library files..
 #
-obj-y                   := checksum.o string.o strcase.o dec_and_lock.o div64.o
+obj-y                   := checksum.o string.o strcase.o div64.o
 obj-$(CONFIG_8xx)       += rheap.o
 obj-$(CONFIG_CPM2)      += rheap.o
diff --git a/arch/ppc/lib/dec_and_lock.c b/arch/ppc/lib/dec_and_lock.c
deleted file mode 100644
index b18f0d9a00fc..000000000000
--- a/arch/ppc/lib/dec_and_lock.c
+++ /dev/null
@@ -1,38 +0,0 @@
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-#include <asm/system.h>
-/*
- * This is an implementation of the notion of "decrement a
- * reference count, and return locked if it decremented to zero".
- *
- * This implementation can be used on any architecture that
- * has a cmpxchg, and where atomic->value is an int holding
- * the value of the atomic (i.e. the high bits aren't used
- * for a lock or anything like that).
- */
-int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)
-{
-        int counter;
-        int newcount;
-        for (;;) {
-                counter = atomic_read(atomic);
-                newcount = counter - 1;
-                if (!newcount)
-                        break;          /* do it the slow way */
-                newcount = cmpxchg(&atomic->counter, counter, newcount);
-                if (newcount == counter)
-                        return 0;
-        }
-        spin_lock(lock);
-        if (atomic_dec_and_test(atomic))
-                return 1;
-        spin_unlock(lock);
-        return 0;
-}
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/ppc/platforms/chrp_time.c b/arch/ppc/platforms/chrp_time.c
index 4864a7de3daa..6037ce7796f5 100644
--- a/arch/ppc/platforms/chrp_time.c
+++ b/arch/ppc/platforms/chrp_time.c
@@ -22,7 +22,6 @@
 #include <linux/init.h>
 #include <linux/bcd.h>
-#include <asm/segment.h>
 #include <asm/io.h>
 #include <asm/nvram.h>
 #include <asm/prom.h>
diff --git a/arch/ppc/platforms/pmac_setup.c b/arch/ppc/platforms/pmac_setup.c
index b392b9a15987..4c56a4734aec 100644
--- a/arch/ppc/platforms/pmac_setup.c
+++ b/arch/ppc/platforms/pmac_setup.c
@@ -719,7 +719,8 @@ pmac_declare_of_platform_devices(void)
        if (np) {
                for (np = np->child; np != NULL; np = np->sibling)
                        if (strncmp(np->name, "i2c", 3) == 0) {
-                                of_platform_device_create(np, "uni-n-i2c");
+                                of_platform_device_create(np, "uni-n-i2c",
+                                                          NULL);
                                break;
                        }
        }
@@ -727,17 +728,18 @@ pmac_declare_of_platform_devices(void)
        if (np) {
                for (np = np->child; np != NULL; np = np->sibling)
                        if (strncmp(np->name, "i2c", 3) == 0) {
-                                of_platform_device_create(np, "u3-i2c");
+                                of_platform_device_create(np, "u3-i2c",
+                                                          NULL);
                                break;
                        }
        }
        np = find_devices("valkyrie");
        if (np)
-                of_platform_device_create(np, "valkyrie");
+                of_platform_device_create(np, "valkyrie", NULL);
        np = find_devices("platinum");
        if (np)
-                of_platform_device_create(np, "platinum");
+                of_platform_device_create(np, "platinum", NULL);
        return 0;
 }
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 8b9b226005d1..b8d08f33f7ee 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -34,7 +34,8 @@ ifeq ($(CONFIG_40x),y)
 obj-$(CONFIG_PCI)               += indirect_pci.o pci_auto.o ppc405_pci.o
 endif
 endif
-obj-$(CONFIG_8xx)               += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y)
+obj-$(CONFIG_8xx)               += m8xx_setup.o ppc8xx_pic.o $(wdt-mpc8xx-y) \
+                                   ppc_sys.o mpc8xx_devices.o mpc8xx_sys.o
 ifeq ($(CONFIG_8xx),y)
 obj-$(CONFIG_PCI)               += qspan_pci.o i8259.o
 endif
diff --git a/arch/ppc/syslib/mpc8xx_devices.c b/arch/ppc/syslib/mpc8xx_devices.c
new file mode 100644
index 000000000000..2b5f0e701687
--- /dev/null
+++ b/arch/ppc/syslib/mpc8xx_devices.c
@@ -0,0 +1,224 @@
+/*
+ * arch/ppc/syslib/mpc8xx_devices.c
+ *
+ * MPC8xx Device descriptions
+ *
+ * Maintainer: Kumar Gala <kumar.gala@freescale.com>
+ *
+ * Copyright 2005 MontaVista Software, Inc. by Vitaly Bordug<vbordug@ru.mvista.com>
+ *
+ * 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.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <linux/serial_8250.h>
+#include <linux/mii.h>
+#include <asm/commproc.h>
+#include <asm/mpc8xx.h>
+#include <asm/irq.h>
+#include <asm/ppc_sys.h>
+/* We use offsets for IORESOURCE_MEM to do not set dependences at compile time.
+ * They will get fixed up by mach_mpc8xx_fixup
+ */
+struct platform_device ppc_sys_platform_devices[] = {
+        [MPC8xx_CPM_FEC1] =     {
+                .name = "fsl-cpm-fec",
+                .id     = 1,
+                .num_resources = 2,
+                .resource = (struct resource[]) {
+                        {
+                                .name   = "regs",
+                                .start  = 0xe00,
+                                .end    = 0xe88,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "interrupt",
+                                .start  = MPC8xx_INT_FEC1,
+                                .end    = MPC8xx_INT_FEC1,
+                                .flags  = IORESOURCE_IRQ,
+                        },
+                },
+        },
+        [MPC8xx_CPM_FEC2] =     {
+                .name = "fsl-cpm-fec",
+                .id     = 2,
+                .num_resources = 2,
+                .resource = (struct resource[]) {
+                        {
+                                .name   = "regs",
+                                .start  = 0x1e00,
+                                .end    = 0x1e88,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "interrupt",
+                                .start  = MPC8xx_INT_FEC2,
+                                .end    = MPC8xx_INT_FEC2,
+                                .flags  = IORESOURCE_IRQ,
+                        },
+                },
+        },
+        [MPC8xx_CPM_SCC1] = {
+                .name = "fsl-cpm-scc",
+                .id     = 1,
+                .num_resources = 3,
+                .resource = (struct resource[]) {
+                        {
+                                .name   = "regs",
+                                .start  = 0xa00,
+                                .end    = 0xa18,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "pram",
+                                .start  = 0x3c00,
+                                .end    = 0x3c80,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "interrupt",
+                                .start  = MPC8xx_INT_SCC1,
+                                .end    = MPC8xx_INT_SCC1,
+                                .flags  = IORESOURCE_IRQ,
+                        },
+                },
+        },
+        [MPC8xx_CPM_SCC2] = {
+                .name = "fsl-cpm-scc",
+                .id     = 2,
+                .num_resources  = 3,
+                .resource = (struct resource[]) {
+                        {
+                                .name   = "regs",
+                                .start  = 0xa20,
+                                .end    = 0xa38,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "pram",
+                                .start  = 0x3d00,
+                                .end    = 0x3d80,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "interrupt",
+                                .start  = MPC8xx_INT_SCC2,
+                                .end    = MPC8xx_INT_SCC2,
+                                .flags  = IORESOURCE_IRQ,
+                        },
+                },
+        },
+        [MPC8xx_CPM_SCC3] = {
+                .name = "fsl-cpm-scc",
+                .id     = 3,
+                .num_resources  = 3,
+                .resource = (struct resource[]) {
+                        {
+                                .name   = "regs",
+                                .start  = 0xa40,
+                                .end    = 0xa58,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "pram",
+                                .start  = 0x3e00,
+                                .end    = 0x3e80,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "interrupt",
+                                .start  = MPC8xx_INT_SCC3,
+                                .end    = MPC8xx_INT_SCC3,
+                                .flags  = IORESOURCE_IRQ,
+                        },
+                },
+        },
+        [MPC8xx_CPM_SCC4] = {
+                .name = "fsl-cpm-scc",
+                .id     = 4,
+                .num_resources  = 3,
+                .resource = (struct resource[]) {
+                        {
+                                .name   = "regs",
+                                .start  = 0xa60,
+                                .end    = 0xa78,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "pram",
+                                .start  = 0x3f00,
+                                .end    = 0x3f80,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "interrupt",
+                                .start  = MPC8xx_INT_SCC4,
+                                .end    = MPC8xx_INT_SCC4,
+                                .flags  = IORESOURCE_IRQ,
+                        },
+                },
+        },
+        [MPC8xx_CPM_SMC1] = {
+                .name = "fsl-cpm-smc",
+                .id     = 1,
+                .num_resources  = 2,
+                .resource = (struct resource[]) {
+                        {
+                                .name   = "regs",
+                                .start  = 0xa82,
+                                .end    = 0xa91,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "interrupt",
+                                .start  = MPC8xx_INT_SMC1,
+                                .end    = MPC8xx_INT_SMC1,
+                                .flags  = IORESOURCE_IRQ,
+                        },
+                },
+        },
+        [MPC8xx_CPM_SMC2] = {
+                .name = "fsl-cpm-smc",
+                .id     = 2,
+                .num_resources  = 2,
+                .resource = (struct resource[]) {
+                        {
+                                .name   = "regs",
+                                .start  = 0xa92,
+                                .end    = 0xaa1,
+                                .flags  = IORESOURCE_MEM,
+                        },
+                        {
+                                .name   = "interrupt",
+                                .start  = MPC8xx_INT_SMC2,
+                                .end    = MPC8xx_INT_SMC2,
+                                .flags  = IORESOURCE_IRQ,
+                        },
+                },
+        },
+};
+static int __init mach_mpc8xx_fixup(struct platform_device *pdev)
+{
+        ppc_sys_fixup_mem_resource (pdev, IMAP_ADDR);
+        return 0;
+}
+static int __init mach_mpc8xx_init(void)
+{
+        ppc_sys_device_fixup = mach_mpc8xx_fixup;
+        return 0;
+}
+postcore_initcall(mach_mpc8xx_init);
diff --git a/arch/ppc/syslib/mpc8xx_sys.c b/arch/ppc/syslib/mpc8xx_sys.c
new file mode 100644
index 000000000000..a532ccc861c0
--- /dev/null
+++ b/arch/ppc/syslib/mpc8xx_sys.c
@@ -0,0 +1,61 @@
+/*
+ * arch/ppc/platforms/mpc8xx_sys.c
+ *
+ * MPC8xx System descriptions
+ *
+ * Maintainer: Kumar Gala <kumar.gala@freescale.com>
+ *
+ * Copyright 2005 MontaVista Software, Inc. by Vitaly Bordug <vbordug@ru.mvista.com>
+ *
+ * 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.
+ */
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/device.h>
+#include <asm/ppc_sys.h>
+struct ppc_sys_spec *cur_ppc_sys_spec; 
+struct ppc_sys_spec ppc_sys_specs[] = {
+        {
+                .ppc_sys_name   = "MPC86X",
+                .mask           = 0xFFFFFFFF,
+                .value          = 0x00000000,
+                .num_devices    = 2,
+                .device_list    = (enum ppc_sys_devices[])
+                {
+                        MPC8xx_CPM_FEC1,
+                        MPC8xx_CPM_SCC1,
+                        MPC8xx_CPM_SCC2,
+                        MPC8xx_CPM_SCC3,
+                        MPC8xx_CPM_SCC4,
+                        MPC8xx_CPM_SMC1,
+                        MPC8xx_CPM_SMC2,
+                },
+        },
+        {
+                .ppc_sys_name   = "MPC885",
+                .mask           = 0xFFFFFFFF,
+                .value          = 0x00000000,
+                .num_devices    = 3,
+                .device_list    = (enum ppc_sys_devices[])
+                {
+                        MPC8xx_CPM_FEC1,
+                        MPC8xx_CPM_FEC2,
+                        MPC8xx_CPM_SCC1,
+                        MPC8xx_CPM_SCC2,
+                        MPC8xx_CPM_SCC3,
+                        MPC8xx_CPM_SCC4,
+                        MPC8xx_CPM_SMC1,
+                        MPC8xx_CPM_SMC2,
+                },
+        },
+        {       /* default match */
+                .ppc_sys_name   = "",
+                .mask           = 0x00000000,
+                .value          = 0x00000000,
+        },
+};
diff --git a/arch/ppc/syslib/of_device.c b/arch/ppc/syslib/of_device.c
index da8a0f2128dc..93c7231ea709 100644
--- a/arch/ppc/syslib/of_device.c
+++ b/arch/ppc/syslib/of_device.c
@@ -234,7 +234,9 @@ void of_device_unregister(struct of_device *ofdev)
        device_unregister(&ofdev->dev);
 }
-struct of_device* of_platform_device_create(struct device_node *np, const char *bus_id)
+struct of_device* of_platform_device_create(struct device_node *np,
+                                            const char *bus_id,
+                                            struct device *parent)
 {
        struct of_device *dev;
        u32 *reg;
@@ -247,7 +249,7 @@ struct of_device* of_platform_device_create(struct device_node *np, const char *
        dev->node = of_node_get(np);
        dev->dma_mask = 0xffffffffUL;
        dev->dev.dma_mask = &dev->dma_mask;
-        dev->dev.parent = NULL;
+        dev->dev.parent = parent;
        dev->dev.bus = &of_platform_bus_type;
        dev->dev.release = of_release_dev;
diff --git a/arch/ppc/syslib/open_pic2.c b/arch/ppc/syslib/open_pic2.c
index 2e0ea92144f6..9a7e8748e2b2 100644
--- a/arch/ppc/syslib/open_pic2.c
+++ b/arch/ppc/syslib/open_pic2.c
@@ -575,7 +575,7 @@ static void openpic2_cached_disable_irq(u_int irq)
 * we need something better to deal with that... Maybe switch to S1 for
 * cpufreq changes
 */
-int openpic2_suspend(struct sys_device *sysdev, u32 state)
+int openpic2_suspend(struct sys_device *sysdev, pm_message_t state)
 {
        int     i;
        unsigned long flags;
diff --git a/arch/ppc/syslib/ppc85xx_setup.c b/arch/ppc/syslib/ppc85xx_setup.c
index b7242f1bd931..832b8bf99ae7 100644
--- a/arch/ppc/syslib/ppc85xx_setup.c
+++ b/arch/ppc/syslib/ppc85xx_setup.c
@@ -184,8 +184,8 @@ mpc85xx_setup_pci1(struct pci_controller *hose)
        pci->powar1 = 0x80044000 |
           (__ilog2(MPC85XX_PCI1_UPPER_MEM - MPC85XX_PCI1_LOWER_MEM + 1) - 1);
-        /* Setup outboud IO windows @ MPC85XX_PCI1_IO_BASE */
+        /* Setup outbound IO windows @ MPC85XX_PCI1_IO_BASE */
-        pci->potar2 = 0x00000000;
+        pci->potar2 = (MPC85XX_PCI1_LOWER_IO >> 12) & 0x000fffff;
        pci->potear2 = 0x00000000;
        pci->powbar2 = (MPC85XX_PCI1_IO_BASE >> 12) & 0x000fffff;
        /* Enable, IO R/W */
@@ -235,8 +235,8 @@ mpc85xx_setup_pci2(struct pci_controller *hose)
        pci->powar1 = 0x80044000 |
           (__ilog2(MPC85XX_PCI2_UPPER_MEM - MPC85XX_PCI2_LOWER_MEM + 1) - 1);
-        /* Setup outboud IO windows @ MPC85XX_PCI2_IO_BASE */
+        /* Setup outbound IO windows @ MPC85XX_PCI2_IO_BASE */
-        pci->potar2 = 0x00000000;
+        pci->potar2 = (MPC85XX_PCI2_LOWER_IO >> 12) & 0x000fffff;;
        pci->potear2 = 0x00000000;
        pci->powbar2 = (MPC85XX_PCI2_IO_BASE >> 12) & 0x000fffff;
        /* Enable, IO R/W */
diff --git a/arch/ppc/syslib/prep_nvram.c b/arch/ppc/syslib/prep_nvram.c
index 2bcf8a16d1c9..8599850ca772 100644
--- a/arch/ppc/syslib/prep_nvram.c
+++ b/arch/ppc/syslib/prep_nvram.c
@@ -15,7 +15,6 @@
 #include <linux/ioport.h>
 #include <asm/sections.h>
-#include <asm/segment.h>
 #include <asm/io.h>
 #include <asm/machdep.h>
 #include <asm/prep_nvram.h>
diff --git a/arch/ppc64/Kconfig b/arch/ppc64/Kconfig
index deca68ad644a..c658650af429 100644
--- a/arch/ppc64/Kconfig
+++ b/arch/ppc64/Kconfig
@@ -28,10 +28,6 @@ config GENERIC_ISA_DMA
        bool
        default y
-config HAVE_DEC_LOCK
-        bool
-        default y
 config EARLY_PRINTK
        bool
        default y
diff --git a/arch/ppc64/Makefile b/arch/ppc64/Makefile
index 17d2c1eac3b8..521c2a5a2862 100644
--- a/arch/ppc64/Makefile
+++ b/arch/ppc64/Makefile
@@ -107,7 +107,7 @@ install: vmlinux
        $(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
 defaultimage-$(CONFIG_PPC_PSERIES) := zImage
-defaultimage-$(CONFIG_PPC_PMAC) := vmlinux
+defaultimage-$(CONFIG_PPC_PMAC) := zImage.vmode
 defaultimage-$(CONFIG_PPC_MAPLE) := zImage
 defaultimage-$(CONFIG_PPC_ISERIES) := vmlinux
 KBUILD_IMAGE := $(defaultimage-y)
diff --git a/arch/ppc64/kernel/asm-offsets.c b/arch/ppc64/kernel/asm-offsets.c
index 17e35d0fed09..1ff4fa05a973 100644
--- a/arch/ppc64/kernel/asm-offsets.c
+++ b/arch/ppc64/kernel/asm-offsets.c
@@ -68,6 +68,7 @@ int main(void)
        DEFINE(THREAD_USED_VR, offsetof(struct thread_struct, used_vr));
 #endif /* CONFIG_ALTIVEC */
        DEFINE(MM, offsetof(struct task_struct, mm));
+        DEFINE(AUDITCONTEXT, offsetof(struct task_struct, audit_context));
        DEFINE(DCACHEL1LINESIZE, offsetof(struct ppc64_caches, dline_size));
        DEFINE(DCACHEL1LOGLINESIZE, offsetof(struct ppc64_caches, log_dline_size));
diff --git a/arch/ppc64/kernel/entry.S b/arch/ppc64/kernel/entry.S
index d133a49cdf89..e8c0bbf4d000 100644
--- a/arch/ppc64/kernel/entry.S
+++ b/arch/ppc64/kernel/entry.S
@@ -276,12 +276,22 @@ _GLOBAL(ppc64_rt_sigsuspend)
 _GLOBAL(ppc32_rt_sigsuspend)
        bl      .save_nvgprs
        bl      .sys32_rt_sigsuspend
-        /* If sigsuspend() returns zero, we are going into a signal handler */
 70:     cmpdi   0,r3,0
-        beq     .ret_from_except
+        /* If it returned an error, we need to return via syscall_exit to set
-        /* If it returned -EINTR, we need to return via syscall_exit to set
           the SO bit in cr0 and potentially stop for ptrace. */
-        b       syscall_exit
+        bne     syscall_exit
+        /* If sigsuspend() returns zero, we are going into a signal handler. We
+           may need to call audit_syscall_exit() to mark the exit from sigsuspend() */
+#ifdef CONFIG_AUDIT
+        ld      r3,PACACURRENT(r13)
+        ld      r4,AUDITCONTEXT(r3)
+        cmpdi   0,r4,0
+        beq     .ret_from_except        /* No audit_context: Leave immediately. */
+        li      r4, 2                   /* AUDITSC_FAILURE */
+        li      r5,-4                   /* It's always -EINTR */
+        bl      .audit_syscall_exit
+#endif
+        b       .ret_from_except
 _GLOBAL(ppc_fork)
        bl      .save_nvgprs
diff --git a/arch/ppc64/kernel/head.S b/arch/ppc64/kernel/head.S
index 58c314738c99..72c61041151a 100644
--- a/arch/ppc64/kernel/head.S
+++ b/arch/ppc64/kernel/head.S
@@ -1649,7 +1649,7 @@ _GLOBAL(__secondary_start)
        ld      r3,0(r3)
        lwz     r3,PLATFORM(r3)         /* r3 = platform flags           */
        andi.   r3,r3,PLATFORM_LPAR     /* Test if bit 0 is set (LPAR bit) */
-        bne     98f
+        beq     98f                     /* branch if result is 0  */
        mfspr   r3,PVR
        srwi    r3,r3,16
        cmpwi   r3,0x37                 /* SStar  */
@@ -1813,7 +1813,7 @@ _STATIC(start_here_multiplatform)
        ld      r3,0(r3)
        lwz     r3,PLATFORM(r3)         /* r3 = platform flags */
        andi.   r3,r3,PLATFORM_LPAR     /* Test if bit 0 is set (LPAR bit) */
-        bne     98f
+        beq     98f                     /* branch if result is 0  */
        mfspr   r3,PVR
        srwi    r3,r3,16
        cmpwi   r3,0x37                 /* SStar */
@@ -1834,7 +1834,7 @@ _STATIC(start_here_multiplatform)
        lwz     r3,PLATFORM(r3)         /* r3 = platform flags */
        /* Test if bit 0 is set (LPAR bit) */
        andi.   r3,r3,PLATFORM_LPAR
-        bne     98f
+        bne     98f                     /* branch if result is !0  */
        LOADADDR(r6,_SDR1)              /* Only if NOT LPAR */
        sub     r6,r6,r26
        ld      r6,0(r6)                /* get the value of _SDR1 */
diff --git a/arch/ppc64/kernel/of_device.c b/arch/ppc64/kernel/of_device.c
index da580812ddfe..9f200f0f2ad5 100644
--- a/arch/ppc64/kernel/of_device.c
+++ b/arch/ppc64/kernel/of_device.c
@@ -233,7 +233,9 @@ void of_device_unregister(struct of_device *ofdev)
        device_unregister(&ofdev->dev);
 }
-struct of_device* of_platform_device_create(struct device_node *np, const char *bus_id)
+struct of_device* of_platform_device_create(struct device_node *np,
+                                            const char *bus_id,
+                                            struct device *parent)
 {
        struct of_device *dev;
@@ -245,7 +247,7 @@ struct of_device* of_platform_device_create(struct device_node *np, const char *
        dev->node = np;
        dev->dma_mask = 0xffffffffUL;
        dev->dev.dma_mask = &dev->dma_mask;
-        dev->dev.parent = NULL;
+        dev->dev.parent = parent;
        dev->dev.bus = &of_platform_bus_type;
        dev->dev.release = of_release_dev;
@@ -259,6 +261,7 @@ struct of_device* of_platform_device_create(struct device_node *np, const char *
        return dev;
 }
 EXPORT_SYMBOL(of_match_device);
 EXPORT_SYMBOL(of_platform_bus_type);
 EXPORT_SYMBOL(of_register_driver);
diff --git a/arch/ppc64/kernel/pSeries_iommu.c b/arch/ppc64/kernel/pSeries_iommu.c
index f0fd7fbd6531..d17f0108a032 100644
--- a/arch/ppc64/kernel/pSeries_iommu.c
+++ b/arch/ppc64/kernel/pSeries_iommu.c
@@ -265,8 +265,10 @@ static void iommu_table_setparms(struct pci_controller *phb,
        tbl->it_offset = phb->dma_window_base_cur >> PAGE_SHIFT;
        
        /* Test if we are going over 2GB of DMA space */
-        if (phb->dma_window_base_cur + phb->dma_window_size > (1L << 31))
+        if (phb->dma_window_base_cur + phb->dma_window_size > 0x80000000ul) {
+                udbg_printf("PCI_DMA: Unexpected number of IOAs under this PHB.\n");
                panic("PCI_DMA: Unexpected number of IOAs under this PHB.\n"); 
+        }
        
        phb->dma_window_base_cur += phb->dma_window_size;
@@ -310,92 +312,85 @@ static void iommu_table_setparms_lpar(struct pci_controller *phb,
 static void iommu_bus_setup_pSeries(struct pci_bus *bus)
 {
-        struct device_node *dn, *pdn;
+        struct device_node *dn;
-        struct pci_dn *pci;
        struct iommu_table *tbl;
+        struct device_node *isa_dn, *isa_dn_orig;
+        struct device_node *tmp;
+        struct pci_dn *pci;
+        int children;
        DBG("iommu_bus_setup_pSeries, bus %p, bus->self %p\n", bus, bus->self);
-        /* For each (root) bus, we carve up the available DMA space in 256MB
+        dn = pci_bus_to_OF_node(bus);
-         * pieces. Since each piece is used by one (sub) bus/device, that would
+        pci = PCI_DN(dn);
-         * give a maximum of 7 devices per PHB. In most cases, this is plenty.
-         *
+        if (bus->self) {
-         * The exception is on Python PHBs (pre-POWER4). Here we don't have EADS
+                /* This is not a root bus, any setup will be done for the
-         * bridges below the PHB to allocate the sectioned tables to, so instead
+                 * device-side of the bridge in iommu_dev_setup_pSeries().
-         * we allocate a 1GB table at the PHB level.
+                 */
+                return;
+        }
+        /* Check if the ISA bus on the system is under
+         * this PHB.
         */
+        isa_dn = isa_dn_orig = of_find_node_by_type(NULL, "isa");
-        dn = pci_bus_to_OF_node(bus);
+        while (isa_dn && isa_dn != dn)
-        pci = dn->data;
+                isa_dn = isa_dn->parent;
-        if (!bus->self) {
+        if (isa_dn_orig)
-                /* Root bus */
+                of_node_put(isa_dn_orig);
-                if (is_python(dn)) {
-                        unsigned int *iohole;
-                        DBG("Python root bus %s\n", bus->name);
-                        iohole = (unsigned int *)get_property(dn, "io-hole", 0);
-                        if (iohole) {
-                                /* On first bus we need to leave room for the
-                                 * ISA address space. Just skip the first 256MB
-                                 * alltogether. This leaves 768MB for the window.
-                                 */
-                                DBG("PHB has io-hole, reserving 256MB\n");
-                                pci->phb->dma_window_size = 3 << 28;
-                                pci->phb->dma_window_base_cur = 1 << 28;
-                        } else {
-                                /* 1GB window by default */
-                                pci->phb->dma_window_size = 1 << 30;
-                                pci->phb->dma_window_base_cur = 0;
-                        }
-                        tbl = kmalloc(sizeof(struct iommu_table), GFP_KERNEL);
-                        iommu_table_setparms(pci->phb, dn, tbl);
-                        pci->iommu_table = iommu_init_table(tbl);
-                } else {
-                        /* Do a 128MB table at root. This is used for the IDE
-                         * controller on some SMP-mode POWER4 machines. It
-                         * doesn't hurt to allocate it on other machines
-                         * -- it'll just be unused since new tables are
-                         * allocated on the EADS level.
-                         *
-                         * Allocate at offset 128MB to avoid having to deal
-                         * with ISA holes; 128MB table for IDE is plenty.
-                         */
-                        pci->phb->dma_window_size = 1 << 27;
-                        pci->phb->dma_window_base_cur = 1 << 27;
-                        tbl = kmalloc(sizeof(struct iommu_table), GFP_KERNEL);
-                        iommu_table_setparms(pci->phb, dn, tbl);
-                        pci->iommu_table = iommu_init_table(tbl);
-                        /* All child buses have 256MB tables */
-                        pci->phb->dma_window_size = 1 << 28;
-                }
-        } else {
-                pdn = pci_bus_to_OF_node(bus->parent);
-                if (!bus->parent->self && !is_python(pdn)) {
+        /* Count number of direct PCI children of the PHB.
-                        struct iommu_table *tbl;
+         * All PCI device nodes have class-code property, so it's
-                        /* First child and not python means this is the EADS
+         * an easy way to find them.
-                         * level. Allocate new table for this slot with 256MB
+         */
-                         * window.
+        for (children = 0, tmp = dn->child; tmp; tmp = tmp->sibling)
-                         */
+                if (get_property(tmp, "class-code", NULL))
+                        children++;
-                        tbl = kmalloc(sizeof(struct iommu_table), GFP_KERNEL);
+        DBG("Children: %d\n", children);
-                        iommu_table_setparms(pci->phb, dn, tbl);
+        /* Calculate amount of DMA window per slot. Each window must be
+         * a power of two (due to pci_alloc_consistent requirements).
+         *
+         * Keep 256MB aside for PHBs with ISA.
+         */
-                        pci->iommu_table = iommu_init_table(tbl);
+        if (!isa_dn) {
-                } else {
+                /* No ISA/IDE - just set window size and return */
-                        /* Lower than first child or under python, use parent table */
+                pci->phb->dma_window_size = 0x80000000ul; /* To be divided */
-                        pci->iommu_table = PCI_DN(pdn)->iommu_table;
-                }
+                while (pci->phb->dma_window_size * children > 0x80000000ul)
+                        pci->phb->dma_window_size >>= 1;
+                DBG("No ISA/IDE, window size is 0x%lx\n",
+                        pci->phb->dma_window_size);
+                pci->phb->dma_window_base_cur = 0;
+                return;
        }
+        /* If we have ISA, then we probably have an IDE
+         * controller too. Allocate a 128MB table but
+         * skip the first 128MB to avoid stepping on ISA
+         * space.
+         */
+        pci->phb->dma_window_size = 0x8000000ul;
+        pci->phb->dma_window_base_cur = 0x8000000ul;
+        tbl = kmalloc(sizeof(struct iommu_table), GFP_KERNEL);
+        iommu_table_setparms(pci->phb, dn, tbl);
+        pci->iommu_table = iommu_init_table(tbl);
+        /* Divide the rest (1.75GB) among the children */
+        pci->phb->dma_window_size = 0x80000000ul;
+        while (pci->phb->dma_window_size * children > 0x70000000ul)
+                pci->phb->dma_window_size >>= 1;
+        DBG("ISA/IDE, window size is 0x%lx\n", pci->phb->dma_window_size);
 }
@@ -446,21 +441,36 @@ static void iommu_bus_setup_pSeriesLP(struct pci_bus *bus)
 static void iommu_dev_setup_pSeries(struct pci_dev *dev)
 {
        struct device_node *dn, *mydn;
+        struct iommu_table *tbl;
+        DBG("iommu_dev_setup_pSeries, dev %p (%s)\n", dev, pci_name(dev));
-        DBG("iommu_dev_setup_pSeries, dev %p (%s)\n", dev, dev->pretty_name);
-        /* Now copy the iommu_table ptr from the bus device down to the
-         * pci device_node.  This means get_iommu_table() won't need to search
-         * up the device tree to find it.
-         */
        mydn = dn = pci_device_to_OF_node(dev);
+        /* If we're the direct child of a root bus, then we need to allocate
+         * an iommu table ourselves. The bus setup code should have setup
+         * the window sizes already.
+         */
+        if (!dev->bus->self) {
+                DBG(" --> first child, no bridge. Allocating iommu table.\n");
+                tbl = kmalloc(sizeof(struct iommu_table), GFP_KERNEL);
+                iommu_table_setparms(PCI_DN(dn)->phb, dn, tbl);
+                PCI_DN(mydn)->iommu_table = iommu_init_table(tbl);
+                return;
+        }
+        /* If this device is further down the bus tree, search upwards until
+         * an already allocated iommu table is found and use that.
+         */
        while (dn && dn->data && PCI_DN(dn)->iommu_table == NULL)
                dn = dn->parent;
        if (dn && dn->data) {
                PCI_DN(mydn)->iommu_table = PCI_DN(dn)->iommu_table;
        } else {
-                DBG("iommu_dev_setup_pSeries, dev %p (%s) has no iommu table\n", dev, dev->pretty_name);
+                DBG("iommu_dev_setup_pSeries, dev %p (%s) has no iommu table\n", dev, pci_name(dev));
        }
 }
@@ -494,7 +504,7 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
        int *dma_window = NULL;
        struct pci_dn *pci;
-        DBG("iommu_dev_setup_pSeriesLP, dev %p (%s)\n", dev, dev->pretty_name);
+        DBG("iommu_dev_setup_pSeriesLP, dev %p (%s)\n", dev, pci_name(dev));
        /* dev setup for LPAR is a little tricky, since the device tree might
         * contain the dma-window properties per-device and not neccesarily
@@ -516,9 +526,8 @@ static void iommu_dev_setup_pSeriesLP(struct pci_dev *dev)
         * slots on POWER4 machines.
         */
        if (dma_window == NULL || pdn->parent == NULL) {
-                /* Fall back to regular (non-LPAR) dev setup */
+                DBG("No dma window for device, linking to parent\n");
-                DBG("No dma window for device, falling back to regular setup\n");
+                PCI_DN(dn)->iommu_table = PCI_DN(pdn)->iommu_table;
-                iommu_dev_setup_pSeries(dev);
                return;
        } else {
                DBG("Found DMA window, allocating table\n");
diff --git a/arch/ppc64/kernel/pSeries_setup.c b/arch/ppc64/kernel/pSeries_setup.c
index bfadccc7b8be..3009701eb90d 100644
--- a/arch/ppc64/kernel/pSeries_setup.c
+++ b/arch/ppc64/kernel/pSeries_setup.c
@@ -238,8 +238,8 @@ static void __init pSeries_setup_arch(void)
        /* Find and initialize PCI host bridges */
        init_pci_config_tokens();
-        eeh_init();
        find_and_init_phbs();
+        eeh_init();
 #ifdef CONFIG_DUMMY_CONSOLE
        conswitchp = &dummy_con;
diff --git a/arch/ppc64/kernel/pci.c b/arch/ppc64/kernel/pci.c
index 861138ad092c..ff4be1da69d5 100644
--- a/arch/ppc64/kernel/pci.c
+++ b/arch/ppc64/kernel/pci.c
@@ -246,11 +246,14 @@ static unsigned int pci_parse_of_flags(u32 addr0)
        unsigned int flags = 0;
        if (addr0 & 0x02000000) {
-                flags |= IORESOURCE_MEM;
+                flags = IORESOURCE_MEM | PCI_BASE_ADDRESS_SPACE_MEMORY;
+                flags |= (addr0 >> 22) & PCI_BASE_ADDRESS_MEM_TYPE_64;
+                flags |= (addr0 >> 28) & PCI_BASE_ADDRESS_MEM_TYPE_1M;
                if (addr0 & 0x40000000)
-                        flags |= IORESOURCE_PREFETCH;
+                        flags |= IORESOURCE_PREFETCH
+                                 | PCI_BASE_ADDRESS_MEM_PREFETCH;
        } else if (addr0 & 0x01000000)
-                flags |= IORESOURCE_IO;
+                flags = IORESOURCE_IO | PCI_BASE_ADDRESS_SPACE_IO;
        return flags;
 }
diff --git a/arch/ppc64/kernel/pmac_setup.c b/arch/ppc64/kernel/pmac_setup.c
index 325426c7bed0..25755252067a 100644
--- a/arch/ppc64/kernel/pmac_setup.c
+++ b/arch/ppc64/kernel/pmac_setup.c
@@ -434,15 +434,23 @@ static int pmac_check_legacy_ioport(unsigned int baseport)
 static int __init pmac_declare_of_platform_devices(void)
 {
-        struct device_node *np;
+        struct device_node *np, *npp;
-        np = find_devices("u3");
+        npp = of_find_node_by_name(NULL, "u3");
-        if (np) {
+        if (npp) {
-                for (np = np->child; np != NULL; np = np->sibling)
+                for (np = NULL; (np = of_get_next_child(npp, np)) != NULL;) {
                        if (strncmp(np->name, "i2c", 3) == 0) {
-                                of_platform_device_create(np, "u3-i2c");
+                                of_platform_device_create(np, "u3-i2c", NULL);
+                                of_node_put(np);
                                break;
                        }
+                }
+                of_node_put(npp);
+        }
+        npp = of_find_node_by_type(NULL, "smu");
+        if (npp) {
+                of_platform_device_create(npp, "smu", NULL);
+                of_node_put(npp);
        }
        return 0;
diff --git a/arch/ppc64/kernel/pmac_time.c b/arch/ppc64/kernel/pmac_time.c
index 3059edb09cc8..41bbb8c59697 100644
--- a/arch/ppc64/kernel/pmac_time.c
+++ b/arch/ppc64/kernel/pmac_time.c
@@ -84,7 +84,7 @@ void __pmac pmac_get_rtc_time(struct rtc_time *tm)
 #ifdef CONFIG_PMAC_SMU
        case SYS_CTRLER_SMU:
-                smu_get_rtc_time(tm);
+                smu_get_rtc_time(tm, 1);
                break;
 #endif /* CONFIG_PMAC_SMU */
        default:
@@ -128,7 +128,7 @@ int __pmac pmac_set_rtc_time(struct rtc_time *tm)
 #ifdef CONFIG_PMAC_SMU
        case SYS_CTRLER_SMU:
-                return smu_set_rtc_time(tm);
+                return smu_set_rtc_time(tm, 1);
 #endif /* CONFIG_PMAC_SMU */
        default:
                return -ENODEV;
diff --git a/arch/ppc64/kernel/prom_init.c b/arch/ppc64/kernel/prom_init.c
index 9979919cdf92..f252670874a4 100644
--- a/arch/ppc64/kernel/prom_init.c
+++ b/arch/ppc64/kernel/prom_init.c
@@ -1711,6 +1711,7 @@ static void __init flatten_device_tree(void)
        unsigned long offset = reloc_offset();
        unsigned long mem_start, mem_end, room;
        struct boot_param_header *hdr;
+        struct prom_t *_prom = PTRRELOC(&prom);
        char *namep;
        u64 *rsvmap;
@@ -1765,6 +1766,7 @@ static void __init flatten_device_tree(void)
        RELOC(dt_struct_end) = PAGE_ALIGN(mem_start);
        /* Finish header */
+        hdr->boot_cpuid_phys = _prom->cpu;
        hdr->magic = OF_DT_HEADER;
        hdr->totalsize = RELOC(dt_struct_end) - RELOC(dt_header_start);
        hdr->off_dt_struct = RELOC(dt_struct_start) - RELOC(dt_header_start);
@@ -1854,7 +1856,6 @@ static void __init prom_find_boot_cpu(void)
        cpu_pkg = call_prom("instance-to-package", 1, 1, prom_cpu);
-        prom_setprop(cpu_pkg, "linux,boot-cpu", NULL, 0);
        prom_getprop(cpu_pkg, "reg", &getprop_rval, sizeof(getprop_rval));
        _prom->cpu = getprop_rval;
diff --git a/arch/ppc64/kernel/ptrace.c b/arch/ppc64/kernel/ptrace.c
index 85ed3188a91d..b1c044ca5756 100644
--- a/arch/ppc64/kernel/ptrace.c
+++ b/arch/ppc64/kernel/ptrace.c
@@ -219,6 +219,7 @@ int sys_ptrace(long request, long pid, long addr, long data)
        case PTRACE_SET_DEBUGREG:
                ret = ptrace_set_debugreg(child, addr, data);
+                break;
        case PTRACE_DETACH:
                ret = ptrace_detach(child, data);
diff --git a/arch/ppc64/kernel/vdso.c b/arch/ppc64/kernel/vdso.c
index 4777676365fe..efa985f05aca 100644
--- a/arch/ppc64/kernel/vdso.c
+++ b/arch/ppc64/kernel/vdso.c
@@ -224,10 +224,7 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack)
        vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
        if (vma == NULL)
                return -ENOMEM;
-        if (security_vm_enough_memory(vdso_pages)) {
-                kmem_cache_free(vm_area_cachep, vma);
-                return -ENOMEM;
-        }
        memset(vma, 0, sizeof(*vma));
        /*
@@ -237,8 +234,10 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack)
         */
        vdso_base = get_unmapped_area(NULL, vdso_base,
                                      vdso_pages << PAGE_SHIFT, 0, 0);
-        if (vdso_base & ~PAGE_MASK)
+        if (vdso_base & ~PAGE_MASK) {
+                kmem_cache_free(vm_area_cachep, vma);
                return (int)vdso_base;
+        }
        current->thread.vdso_base = vdso_base;
@@ -266,7 +265,11 @@ int arch_setup_additional_pages(struct linux_binprm *bprm, int executable_stack)
        vma->vm_ops = &vdso_vmops;
        down_write(&mm->mmap_sem);
-        insert_vm_struct(mm, vma);
+        if (insert_vm_struct(mm, vma)) {
+                up_write(&mm->mmap_sem);
+                kmem_cache_free(vm_area_cachep, vma);
+                return -ENOMEM;
+        }
        mm->total_vm += (vma->vm_end - vma->vm_start) >> PAGE_SHIFT;
        up_write(&mm->mmap_sem);
diff --git a/arch/ppc64/lib/Makefile b/arch/ppc64/lib/Makefile
index 76fbfa9f706f..0b6e967de948 100644
--- a/arch/ppc64/lib/Makefile
+++ b/arch/ppc64/lib/Makefile
@@ -2,7 +2,7 @@
 # Makefile for ppc64-specific library files..
 #
-lib-y := checksum.o dec_and_lock.o string.o strcase.o
+lib-y := checksum.o string.o strcase.o
 lib-y += copypage.o memcpy.o copyuser.o usercopy.o
 # Lock primitives are defined as no-ops in include/linux/spinlock.h
diff --git a/arch/ppc64/lib/dec_and_lock.c b/arch/ppc64/lib/dec_and_lock.c
deleted file mode 100644
index 7b9d4da5cf92..000000000000
--- a/arch/ppc64/lib/dec_and_lock.c
+++ /dev/null
@@ -1,47 +0,0 @@
-/*
- * ppc64 version of atomic_dec_and_lock() using cmpxchg
- *
- * 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.
- */
-#include <linux/module.h>
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-#include <asm/system.h>
-/*
- * This is an implementation of the notion of "decrement a
- * reference count, and return locked if it decremented to zero".
- *
- * This implementation can be used on any architecture that
- * has a cmpxchg, and where atomic->value is an int holding
- * the value of the atomic (i.e. the high bits aren't used
- * for a lock or anything like that).
- */
-int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)
-{
-        int counter;
-        int newcount;
-        for (;;) {
-                counter = atomic_read(atomic);
-                newcount = counter - 1;
-                if (!newcount)
-                        break;          /* do it the slow way */
-                newcount = cmpxchg(&atomic->counter, counter, newcount);
-                if (newcount == counter)
-                        return 0;
-        }
-        spin_lock(lock);
-        if (atomic_dec_and_test(atomic))
-                return 1;
-        spin_unlock(lock);
-        return 0;
-}
-EXPORT_SYMBOL(_atomic_dec_and_lock);
diff --git a/arch/ppc64/mm/fault.c b/arch/ppc64/mm/fault.c
index 7fbc68bbb739..be3f25cf3e9f 100644
--- a/arch/ppc64/mm/fault.c
+++ b/arch/ppc64/mm/fault.c
@@ -38,6 +38,7 @@
 #include <asm/system.h>
 #include <asm/uaccess.h>
 #include <asm/kdebug.h>
+#include <asm/siginfo.h>
 /*
 * Check whether the instruction at regs->nip is a store using
diff --git a/arch/ppc64/mm/hash_native.c b/arch/ppc64/mm/hash_native.c
index 7626bb59954d..eb1bbb5b6c16 100644
--- a/arch/ppc64/mm/hash_native.c
+++ b/arch/ppc64/mm/hash_native.c
@@ -343,9 +343,7 @@ static void native_flush_hash_range(unsigned long context,
        hpte_t *hptep;
        unsigned long hpte_v;
        struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
+        unsigned long large;
-        /* XXX fix for large ptes */
-        unsigned long large = 0;
        local_irq_save(flags);
@@ -358,6 +356,7 @@ static void native_flush_hash_range(unsigned long context,
                va = (vsid << 28) | (batch->addr[i] & 0x0fffffff);
                batch->vaddr[j] = va;
+                large = pte_huge(batch->pte[i]);
                if (large)
                        vpn = va >> HPAGE_SHIFT;
                else
diff --git a/arch/ppc64/mm/hugetlbpage.c b/arch/ppc64/mm/hugetlbpage.c
index 338771ec70d7..0ea0994ed974 100644
--- a/arch/ppc64/mm/hugetlbpage.c
+++ b/arch/ppc64/mm/hugetlbpage.c
@@ -710,10 +710,13 @@ repeat:
                        hpte_group = ((~hash & htab_hash_mask) *
                                      HPTES_PER_GROUP) & ~0x7UL; 
                        slot = ppc_md.hpte_insert(hpte_group, va, prpn,
-                                                  HPTE_V_LARGE, rflags);
+                                                  HPTE_V_LARGE |
+                                                  HPTE_V_SECONDARY,
+                                                  rflags);
                        if (slot == -1) {
                                if (mftb() & 0x1)
-                                        hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
+                                        hpte_group = ((hash & htab_hash_mask) *
+                                                      HPTES_PER_GROUP)&~0x7UL;
                                ppc_md.hpte_remove(hpte_group);
                                goto repeat;
diff --git a/arch/s390/defconfig b/arch/s390/defconfig
index 0865251a3f44..45d44c6bb39d 100644
--- a/arch/s390/defconfig
+++ b/arch/s390/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.13-rc4
+# Linux kernel version: 2.6.14-rc1
-# Fri Jul 29 14:49:30 2005
+# Wed Sep 14 16:46:19 2005
 #
 CONFIG_MMU=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
@@ -21,6 +21,7 @@ CONFIG_INIT_ENV_ARG_LIMIT=32
 # General setup
 #
 CONFIG_LOCALVERSION=""
+CONFIG_LOCALVERSION_AUTO=y
 CONFIG_SWAP=y
 CONFIG_SYSVIPC=y
 CONFIG_POSIX_MQUEUE=y
@@ -33,6 +34,7 @@ CONFIG_KOBJECT_UEVENT=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
+CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
 # CONFIG_KALLSYMS_ALL is not set
@@ -94,6 +96,7 @@ CONFIG_FLATMEM_MANUAL=y
 # CONFIG_SPARSEMEM_MANUAL is not set
 CONFIG_FLATMEM=y
 CONFIG_FLAT_NODE_MEM_MAP=y
+# CONFIG_SPARSEMEM_STATIC is not set
 #
 # I/O subsystem configuration
@@ -151,8 +154,8 @@ CONFIG_IP_FIB_HASH=y
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
 # CONFIG_INET_TUNNEL is not set
-CONFIG_IP_TCPDIAG=y
+CONFIG_INET_DIAG=y
-CONFIG_IP_TCPDIAG_IPV6=y
+CONFIG_INET_TCP_DIAG=y
 # CONFIG_TCP_CONG_ADVANCED is not set
 CONFIG_TCP_CONG_BIC=y
 CONFIG_IPV6=y
@@ -165,6 +168,11 @@ CONFIG_IPV6=y
 # CONFIG_NETFILTER is not set
 #
+# DCCP Configuration (EXPERIMENTAL)
+#
+# CONFIG_IP_DCCP is not set
+#
 # SCTP Configuration (EXPERIMENTAL)
 #
 # CONFIG_IP_SCTP is not set
@@ -217,9 +225,11 @@ CONFIG_NET_CLS_POLICE=y
 # Network testing
 #
 # CONFIG_NET_PKTGEN is not set
+# CONFIG_NETFILTER_NETLINK is not set
 # CONFIG_HAMRADIO is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
+# CONFIG_IEEE80211 is not set
 # CONFIG_PCMCIA is not set
 #
@@ -233,6 +243,7 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 #
 # SCSI device support
 #
+# CONFIG_RAID_ATTRS is not set
 CONFIG_SCSI=y
 CONFIG_SCSI_PROC_FS=y
@@ -260,6 +271,7 @@ CONFIG_SCSI_LOGGING=y
 # CONFIG_SCSI_SPI_ATTRS is not set
 CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_ISCSI_ATTRS is not set
+# CONFIG_SCSI_SAS_ATTRS is not set
 #
 # SCSI low-level drivers
@@ -280,7 +292,6 @@ CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=4096
 CONFIG_BLK_DEV_INITRD=y
-CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_LBD is not set
 # CONFIG_CDROM_PKTCDVD is not set
@@ -384,6 +395,10 @@ CONFIG_EQUALIZER=m
 CONFIG_TUN=m
 #
+# PHY device support
+#
+#
 # Ethernet (10 or 100Mbit)
 #
 CONFIG_NET_ETHERNET=y
@@ -453,10 +468,6 @@ CONFIG_FS_MBCACHE=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-#
-# XFS support
-#
 # CONFIG_XFS_FS is not set
 # CONFIG_MINIX_FS is not set
 # CONFIG_ROMFS_FS is not set
@@ -465,6 +476,7 @@ CONFIG_INOTIFY=y
 CONFIG_DNOTIFY=y
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
+# CONFIG_FUSE_FS is not set
 #
 # CD-ROM/DVD Filesystems
@@ -485,11 +497,10 @@ CONFIG_DNOTIFY=y
 CONFIG_PROC_FS=y
 CONFIG_PROC_KCORE=y
 CONFIG_SYSFS=y
-# CONFIG_DEVPTS_FS_XATTR is not set
 CONFIG_TMPFS=y
-# CONFIG_TMPFS_XATTR is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
+# CONFIG_RELAYFS_FS is not set
 #
 # Miscellaneous filesystems
@@ -533,6 +544,7 @@ CONFIG_SUNRPC=y
 # CONFIG_NCP_FS is not set
 # CONFIG_CODA_FS is not set
 # CONFIG_AFS_FS is not set
+# CONFIG_9P_FS is not set
 #
 # Partition Types
@@ -572,6 +584,7 @@ CONFIG_MSDOS_PARTITION=y
 CONFIG_DEBUG_KERNEL=y
 CONFIG_MAGIC_SYSRQ=y
 CONFIG_LOG_BUF_SHIFT=17
+CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
 CONFIG_DEBUG_PREEMPT=y
@@ -626,5 +639,6 @@ CONFIG_CRYPTO=y
 # Library routines
 #
 # CONFIG_CRC_CCITT is not set
+# CONFIG_CRC16 is not set
 CONFIG_CRC32=m
 # CONFIG_LIBCRC32C is not set
diff --git a/arch/s390/kernel/Makefile b/arch/s390/kernel/Makefile
index ab1e49d2e518..8584dd823218 100644
--- a/arch/s390/kernel/Makefile
+++ b/arch/s390/kernel/Makefile
@@ -6,7 +6,7 @@ EXTRA_AFLAGS	:= -traditional
 obj-y   :=  bitmap.o traps.o time.o process.o \
            setup.o sys_s390.o ptrace.o signal.o cpcmd.o ebcdic.o \
-            semaphore.o s390_ext.o debug.o profile.o irq.o
+            semaphore.o s390_ext.o debug.o profile.o irq.o reipl_diag.o
 extra-$(CONFIG_ARCH_S390_31)    += head.o 
 extra-$(CONFIG_ARCH_S390X)      += head64.o 
diff --git a/arch/s390/kernel/entry.S b/arch/s390/kernel/entry.S
index 58fc7fbcb40e..9b30f4cf32c4 100644
--- a/arch/s390/kernel/entry.S
+++ b/arch/s390/kernel/entry.S
@@ -108,7 +108,7 @@ STACK_SIZE  = 1 << STACK_SHIFT
        bl      BASED(0f)
        l       %r14,BASED(.Lcleanup_critical)
        basr    %r14,%r14
-        tm      0(%r12),0x01            # retest problem state after cleanup
+        tm      1(%r12),0x01            # retest problem state after cleanup
        bnz     BASED(1f)
 0:      l       %r14,__LC_ASYNC_STACK   # are we already on the async stack ?
        slr     %r14,%r15
diff --git a/arch/s390/kernel/entry64.S b/arch/s390/kernel/entry64.S
index d0c9ffaa25db..7b9b4a2ba1d7 100644
--- a/arch/s390/kernel/entry64.S
+++ b/arch/s390/kernel/entry64.S
@@ -101,7 +101,7 @@ _TIF_WORK_INT = (_TIF_SIGPENDING | _TIF_NEED_RESCHED | _TIF_MCCK_PENDING)
        clc     \psworg+8(8),BASED(.Lcritical_start)
        jl      0f
        brasl   %r14,cleanup_critical
-        tm      0(%r12),0x01            # retest problem state after cleanup
+        tm      1(%r12),0x01            # retest problem state after cleanup
        jnz     1f
 0:      lg      %r14,__LC_ASYNC_STACK   # are we already on the async. stack ?
        slgr    %r14,%r15
diff --git a/arch/s390/kernel/reipl_diag.c b/arch/s390/kernel/reipl_diag.c
new file mode 100644
index 000000000000..83cb42bc0b76
--- /dev/null
+++ b/arch/s390/kernel/reipl_diag.c
@@ -0,0 +1,39 @@
+/*
+ * This file contains the implementation of the
+ * Linux re-IPL support
+ *
+ * (C) Copyright IBM Corp. 2005
+ *
+ * Author(s): Volker Sameske (sameske@de.ibm.com)
+ *
+ */
+#include <linux/kernel.h>
+static unsigned int reipl_diag_rc1;
+static unsigned int reipl_diag_rc2;
+/*
+ * re-IPL the system using the last used IPL parameters
+ */
+void reipl_diag(void)
+{
+        asm volatile (
+                "   la   %%r4,0\n"
+                "   la   %%r5,0\n"
+                "   diag %%r4,%2,0x308\n"
+                "0:\n"
+                "   st   %%r4,%0\n"
+                "   st   %%r5,%1\n"
+                ".section __ex_table,\"a\"\n"
+#ifdef __s390x__
+                "   .align 8\n"
+                "   .quad 0b, 0b\n"
+#else
+                "   .align 4\n"
+                "   .long 0b, 0b\n"
+#endif
+                ".previous\n"
+                : "=m" (reipl_diag_rc1), "=m" (reipl_diag_rc2)
+                : "d" (3) : "cc", "4", "5" );
+}
diff --git a/arch/s390/kernel/setup.c b/arch/s390/kernel/setup.c
index 5ba5a5485da9..5204778b8e5e 100644
--- a/arch/s390/kernel/setup.c
+++ b/arch/s390/kernel/setup.c
@@ -261,8 +261,11 @@ void (*_machine_power_off)(void) = machine_power_off_smp;
 * Reboot, halt and power_off routines for non SMP.
 */
 extern void reipl(unsigned long devno);
+extern void reipl_diag(void);
 static void do_machine_restart_nonsmp(char * __unused)
 {
+        reipl_diag();
        if (MACHINE_IS_VM)
                cpcmd ("IPL", NULL, 0);
        else
@@ -634,6 +637,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
        struct cpuinfo_S390 *cpuinfo;
        unsigned long n = (unsigned long) v - 1;
+        preempt_disable();
        if (!n) {
                seq_printf(m, "vendor_id       : IBM/S390\n"
                               "# processors    : %i\n"
@@ -658,6 +662,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
                               cpuinfo->cpu_id.ident,
                               cpuinfo->cpu_id.machine);
        }
+        preempt_enable();
        return 0;
 }
diff --git a/arch/s390/kernel/smp.c b/arch/s390/kernel/smp.c
index 85222fee4361..e13c87b446b2 100644
--- a/arch/s390/kernel/smp.c
+++ b/arch/s390/kernel/smp.c
@@ -65,6 +65,7 @@ extern char vmhalt_cmd[];
 extern char vmpoff_cmd[];
 extern void reipl(unsigned long devno);
+extern void reipl_diag(void);
 static void smp_ext_bitcall(int, ec_bit_sig);
 static void smp_ext_bitcall_others(ec_bit_sig);
@@ -283,6 +284,8 @@ static void do_machine_restart(void * __unused)
         * interrupted by an external interrupt and s390irq
         * locks are always held disabled).
         */
+        reipl_diag();
        if (MACHINE_IS_VM)
                cpcmd ("IPL", NULL, 0, NULL);
        else
diff --git a/arch/sparc64/Kconfig.debug b/arch/sparc64/Kconfig.debug
index cd8d39fb954d..af0e9411b83e 100644
--- a/arch/sparc64/Kconfig.debug
+++ b/arch/sparc64/Kconfig.debug
@@ -33,14 +33,6 @@ config DEBUG_BOOTMEM
        depends on DEBUG_KERNEL
        bool "Debug BOOTMEM initialization"
-# We have a custom atomic_dec_and_lock() implementation but it's not
-# compatible with spinlock debugging so we need to fall back on
-# the generic version in that case.
-config HAVE_DEC_LOCK
-        bool
-        depends on SMP && !DEBUG_SPINLOCK
-        default y
 config MCOUNT
        bool
        depends on STACK_DEBUG
diff --git a/arch/sparc64/kernel/entry.S b/arch/sparc64/kernel/entry.S
index 3e0badb820c5..b48349527853 100644
--- a/arch/sparc64/kernel/entry.S
+++ b/arch/sparc64/kernel/entry.S
@@ -42,19 +42,15 @@
 * executing (see inherit_locked_prom_mappings() rant).
 */
 sparc64_vpte_nucleus:
-        /* Load 0xf0000000, which is LOW_OBP_ADDRESS.  */
+        /* Note that kvmap below has verified that the address is
-        mov             0xf, %g5
+         * in the range MODULES_VADDR --> VMALLOC_END already.  So
-        sllx            %g5, 28, %g5
+         * here we need only check if it is an OBP address or not.
+         */
-        /* Is addr >= LOW_OBP_ADDRESS?  */
+        sethi           %hi(LOW_OBP_ADDRESS), %g5
        cmp             %g4, %g5
        blu,pn          %xcc, sparc64_vpte_patchme1
         mov            0x1, %g5
-        /* Load 0x100000000, which is HI_OBP_ADDRESS.  */
        sllx            %g5, 32, %g5
-        /* Is addr < HI_OBP_ADDRESS?  */
        cmp             %g4, %g5
        blu,pn          %xcc, obp_iaddr_patch
         nop
@@ -156,26 +152,29 @@ obp_daddr_patch:
 * rather, use information saved during inherit_prom_mappings() using 8k
 * pagesize.
 */
+        .align          32
 kvmap:
-        /* Load 0xf0000000, which is LOW_OBP_ADDRESS.  */
+        sethi           %hi(MODULES_VADDR), %g5
-        mov             0xf, %g5
+        cmp             %g4, %g5
-        sllx            %g5, 28, %g5
+        blu,pn          %xcc, longpath
+         mov            (VMALLOC_END >> 24), %g5
+        sllx            %g5, 24, %g5
+        cmp             %g4, %g5
+        bgeu,pn         %xcc, longpath
+         nop
-        /* Is addr >= LOW_OBP_ADDRESS?  */
+kvmap_check_obp:
+        sethi           %hi(LOW_OBP_ADDRESS), %g5
        cmp             %g4, %g5
-        blu,pn          %xcc, vmalloc_addr
+        blu,pn          %xcc, kvmap_vmalloc_addr
         mov            0x1, %g5
-        /* Load 0x100000000, which is HI_OBP_ADDRESS.  */
        sllx            %g5, 32, %g5
-        /* Is addr < HI_OBP_ADDRESS?  */
        cmp             %g4, %g5
        blu,pn          %xcc, obp_daddr_patch
         nop
-vmalloc_addr:
+kvmap_vmalloc_addr:
-        /* If we get here, a vmalloc addr accessed, load kernel VPTE.  */
+        /* If we get here, a vmalloc addr was accessed, load kernel VPTE.  */
        ldxa            [%g3 + %g6] ASI_N, %g5
        brgez,pn        %g5, longpath
         nop
diff --git a/arch/sparc64/kernel/ptrace.c b/arch/sparc64/kernel/ptrace.c
index 23ad839d113f..5efbff90d668 100644
--- a/arch/sparc64/kernel/ptrace.c
+++ b/arch/sparc64/kernel/ptrace.c
@@ -30,6 +30,7 @@
 #include <asm/psrcompat.h>
 #include <asm/visasm.h>
 #include <asm/spitfire.h>
+#include <asm/page.h>
 /* Returning from ptrace is a bit tricky because the syscall return
 * low level code assumes any value returned which is negative and
@@ -128,20 +129,20 @@ void flush_ptrace_access(struct vm_area_struct *vma, struct page *page,
         * is mapped to in the user's address space, we can skip the
         * D-cache flush.
         */
-        if ((uaddr ^ kaddr) & (1UL << 13)) {
+        if ((uaddr ^ (unsigned long) kaddr) & (1UL << 13)) {
                unsigned long start = __pa(kaddr);
                unsigned long end = start + len;
                if (tlb_type == spitfire) {
                        for (; start < end; start += 32)
-                                spitfire_put_dcache_tag(va & 0x3fe0, 0x0);
+                                spitfire_put_dcache_tag(start & 0x3fe0, 0x0);
                } else {
                        for (; start < end; start += 32)
                                __asm__ __volatile__(
                                        "stxa %%g0, [%0] %1\n\t"
                                        "membar #Sync"
                                        : /* no outputs */
-                                        : "r" (va),
+                                        : "r" (start),
                                        "i" (ASI_DCACHE_INVALIDATE));
                }
        }
diff --git a/arch/sparc64/kernel/sparc64_ksyms.c b/arch/sparc64/kernel/sparc64_ksyms.c
index cbb5e59824e5..fb7a5370dbfc 100644
--- a/arch/sparc64/kernel/sparc64_ksyms.c
+++ b/arch/sparc64/kernel/sparc64_ksyms.c
@@ -163,9 +163,6 @@ EXPORT_SYMBOL(atomic64_add);
 EXPORT_SYMBOL(atomic64_add_ret);
 EXPORT_SYMBOL(atomic64_sub);
 EXPORT_SYMBOL(atomic64_sub_ret);
-#ifdef CONFIG_SMP
-EXPORT_SYMBOL(_atomic_dec_and_lock);
-#endif
 /* Atomic bit operations. */
 EXPORT_SYMBOL(test_and_set_bit);
diff --git a/arch/sparc64/kernel/una_asm.S b/arch/sparc64/kernel/una_asm.S
index cbb40585253c..da48400bcc95 100644
--- a/arch/sparc64/kernel/una_asm.S
+++ b/arch/sparc64/kernel/una_asm.S
@@ -17,7 +17,7 @@ kernel_unaligned_trap_fault:
 __do_int_store:
        rd      %asi, %o4
        wr      %o3, 0, %asi
-        ldx     [%o2], %g3
+        mov     %o2, %g3
        cmp     %o1, 2
        be,pn   %icc, 2f
         cmp    %o1, 4
diff --git a/arch/sparc64/kernel/unaligned.c b/arch/sparc64/kernel/unaligned.c
index da9739f0d437..42718f6a7d36 100644
--- a/arch/sparc64/kernel/unaligned.c
+++ b/arch/sparc64/kernel/unaligned.c
@@ -184,13 +184,14 @@ extern void do_int_load(unsigned long *dest_reg, int size,
                        unsigned long *saddr, int is_signed, int asi);
        
 extern void __do_int_store(unsigned long *dst_addr, int size,
-                           unsigned long *src_val, int asi);
+                           unsigned long src_val, int asi);
 static inline void do_int_store(int reg_num, int size, unsigned long *dst_addr,
-                                struct pt_regs *regs, int asi)
+                                struct pt_regs *regs, int asi, int orig_asi)
 {
        unsigned long zero = 0;
-        unsigned long *src_val = &zero;
+        unsigned long *src_val_p = &zero;
+        unsigned long src_val;
        if (size == 16) {
                size = 8;
@@ -198,7 +199,25 @@ static inline void do_int_store(int reg_num, int size, unsigned long *dst_addr,
                        (unsigned)fetch_reg(reg_num, regs) : 0)) << 32) |
                        (unsigned)fetch_reg(reg_num + 1, regs);
        } else if (reg_num) {
-                src_val = fetch_reg_addr(reg_num, regs);
+                src_val_p = fetch_reg_addr(reg_num, regs);
+        }
+        src_val = *src_val_p;
+        if (unlikely(asi != orig_asi)) {
+                switch (size) {
+                case 2:
+                        src_val = swab16(src_val);
+                        break;
+                case 4:
+                        src_val = swab32(src_val);
+                        break;
+                case 8:
+                        src_val = swab64(src_val);
+                        break;
+                case 16:
+                default:
+                        BUG();
+                        break;
+                };
        }
        __do_int_store(dst_addr, size, src_val, asi);
 }
@@ -276,6 +295,7 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
                kernel_mna_trap_fault();
        } else {
                unsigned long addr;
+                int orig_asi, asi;
                addr = compute_effective_address(regs, insn,
                                                 ((insn >> 25) & 0x1f));
@@ -285,18 +305,48 @@ asmlinkage void kernel_unaligned_trap(struct pt_regs *regs, unsigned int insn, u
                       regs->tpc, dirstrings[dir], addr, size,
                       regs->u_regs[UREG_RETPC]);
 #endif
+                orig_asi = asi = decode_asi(insn, regs);
+                switch (asi) {
+                case ASI_NL:
+                case ASI_AIUPL:
+                case ASI_AIUSL:
+                case ASI_PL:
+                case ASI_SL:
+                case ASI_PNFL:
+                case ASI_SNFL:
+                        asi &= ~0x08;
+                        break;
+                };
                switch (dir) {
                case load:
                        do_int_load(fetch_reg_addr(((insn>>25)&0x1f), regs),
                                    size, (unsigned long *) addr,
-                                    decode_signedness(insn),
+                                    decode_signedness(insn), asi);
-                                    decode_asi(insn, regs));
+                        if (unlikely(asi != orig_asi)) {
+                                unsigned long val_in = *(unsigned long *) addr;
+                                switch (size) {
+                                case 2:
+                                        val_in = swab16(val_in);
+                                        break;
+                                case 4:
+                                        val_in = swab32(val_in);
+                                        break;
+                                case 8:
+                                        val_in = swab64(val_in);
+                                        break;
+                                case 16:
+                                default:
+                                        BUG();
+                                        break;
+                                };
+                                *(unsigned long *) addr = val_in;
+                        }
                        break;
                case store:
                        do_int_store(((insn>>25)&0x1f), size,
                                     (unsigned long *) addr, regs,
-                                     decode_asi(insn, regs));
+                                     asi, orig_asi);
                        break;
                default:
diff --git a/arch/sparc64/lib/Makefile b/arch/sparc64/lib/Makefile
index d968aebe83b2..c295806500f7 100644
--- a/arch/sparc64/lib/Makefile
+++ b/arch/sparc64/lib/Makefile
@@ -14,6 +14,4 @@ lib-y := PeeCeeI.o copy_page.o clear_page.o strlen.o strncmp.o \
         copy_in_user.o user_fixup.o memmove.o \
         mcount.o ipcsum.o rwsem.o xor.o find_bit.o delay.o
-lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o
 obj-y += iomap.o
diff --git a/arch/sparc64/lib/dec_and_lock.S b/arch/sparc64/lib/dec_and_lock.S
deleted file mode 100644
index 8ee288dd0afc..000000000000
--- a/arch/sparc64/lib/dec_and_lock.S
+++ /dev/null
@@ -1,80 +0,0 @@
-/* $Id: dec_and_lock.S,v 1.5 2001/11/18 00:12:56 davem Exp $
- * dec_and_lock.S: Sparc64 version of "atomic_dec_and_lock()"
- *                 using cas and ldstub instructions.
- *
- * Copyright (C) 2000 David S. Miller (davem@redhat.com)
- */
-#include <linux/config.h>
-#include <asm/thread_info.h>
-        .text
-        .align  64
-        /* CAS basically works like this:
-         *
-         * void CAS(MEM, REG1, REG2)
-         * {
-         *   START_ATOMIC();
-         *   if (*(MEM) == REG1) {
-         *     TMP = *(MEM);
-         *     *(MEM) = REG2;
-         *     REG2 = TMP;
-         *   } else
-         *     REG2 = *(MEM);
-         *   END_ATOMIC();
-         * }
-         */
-        .globl  _atomic_dec_and_lock
-_atomic_dec_and_lock:   /* %o0 = counter, %o1 = lock */
-loop1:  lduw    [%o0], %g2
-        subcc   %g2, 1, %g7
-        be,pn   %icc, start_to_zero
-         nop
-nzero:  cas     [%o0], %g2, %g7
-        cmp     %g2, %g7
-        bne,pn  %icc, loop1
-         mov    0, %g1
-out:
-        membar  #StoreLoad | #StoreStore
-        retl
-         mov    %g1, %o0
-start_to_zero:
-#ifdef CONFIG_PREEMPT
-        ldsw    [%g6 + TI_PRE_COUNT], %g3
-        add     %g3, 1, %g3
-        stw     %g3, [%g6 + TI_PRE_COUNT]
-#endif
-to_zero:
-        ldstub  [%o1], %g3
-        membar  #StoreLoad | #StoreStore
-        brnz,pn %g3, spin_on_lock
-         nop
-loop2:  cas     [%o0], %g2, %g7         /* ASSERT(g7 == 0) */
-        cmp     %g2, %g7
-        be,pt   %icc, out
-         mov    1, %g1
-        lduw    [%o0], %g2
-        subcc   %g2, 1, %g7
-        be,pn   %icc, loop2
-         nop
-        membar  #StoreStore | #LoadStore
-        stb     %g0, [%o1]
-#ifdef CONFIG_PREEMPT
-        ldsw    [%g6 + TI_PRE_COUNT], %g3
-        sub     %g3, 1, %g3
-        stw     %g3, [%g6 + TI_PRE_COUNT]
-#endif
-        b,pt    %xcc, nzero
-         nop
-spin_on_lock:
-        ldub    [%o1], %g3
-        membar  #LoadLoad
-        brnz,pt %g3, spin_on_lock
-         nop
-        ba,pt   %xcc, to_zero
-         nop
-        nop
diff --git a/arch/um/Kconfig.i386 b/arch/um/Kconfig.i386
index 8ad156a00499..5d92cacd56c6 100644
--- a/arch/um/Kconfig.i386
+++ b/arch/um/Kconfig.i386
@@ -42,3 +42,7 @@ config ARCH_HAS_SC_SIGNALS
 config ARCH_REUSE_HOST_VSYSCALL_AREA
        bool
        default y
+config X86_CMPXCHG
+        bool
+        default y
diff --git a/arch/um/Makefile b/arch/um/Makefile
index ce987266dac6..5b5af95721ab 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -53,9 +53,13 @@ SYS_DIR		:= $(ARCH_DIR)/include/sysdep-$(SUBARCH)
 # -Dvmap=kernel_vmap affects everything, and prevents anything from
 # referencing the libpcap.o symbol so named.
+#
+# Same things for in6addr_loopback - found in libc.
 CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
-        $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap
+        $(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap \
+        -Din6addr_loopback=kernel_in6addr_loopback
 AFLAGS += $(ARCH_INCLUDE)
 USER_CFLAGS := $(patsubst -I%,,$(CFLAGS))
diff --git a/arch/um/drivers/chan_kern.c b/arch/um/drivers/chan_kern.c
index 14a12d6b3df6..16e7dc89f61d 100644
--- a/arch/um/drivers/chan_kern.c
+++ b/arch/um/drivers/chan_kern.c
@@ -19,18 +19,44 @@
 #include "line.h"
 #include "os.h"
-#ifdef CONFIG_NOCONFIG_CHAN
+/* XXX: could well be moved to somewhere else, if needed. */
+static int my_printf(const char * fmt, ...)
+        __attribute__ ((format (printf, 1, 2)));
+static int my_printf(const char * fmt, ...)
+{
+        /* Yes, can be called on atomic context.*/
+        char *buf = kmalloc(4096, GFP_ATOMIC);
+        va_list args;
+        int r;
+        if (!buf) {
+                /* We print directly fmt.
+                 * Yes, yes, yes, feel free to complain. */
+                r = strlen(fmt);
+        } else {
+                va_start(args, fmt);
+                r = vsprintf(buf, fmt, args);
+                va_end(args);
+                fmt = buf;
+        }
-/* The printk's here are wrong because we are complaining that there is no
+        if (r)
- * output device, but printk is printing to that output device.  The user will
+                r = os_write_file(1, fmt, r);
- * never see the error.  printf would be better, except it can't run on a
+        return r;
- * kernel stack because it will overflow it.
- * Use printk for now since that will avoid crashing.
+}
- */
+#ifdef CONFIG_NOCONFIG_CHAN
+/* Despite its name, there's no added trailing newline. */
+static int my_puts(const char * buf)
+{
+        return os_write_file(1, buf, strlen(buf));
+}
 static void *not_configged_init(char *str, int device, struct chan_opts *opts)
 {
-        printk(KERN_ERR "Using a channel type which is configured out of "
+        my_puts("Using a channel type which is configured out of "
               "UML\n");
        return(NULL);
 }
@@ -38,27 +64,27 @@ static void *not_configged_init(char *str, int device, struct chan_opts *opts)
 static int not_configged_open(int input, int output, int primary, void *data,
                              char **dev_out)
 {
-        printk(KERN_ERR "Using a channel type which is configured out of "
+        my_puts("Using a channel type which is configured out of "
               "UML\n");
        return(-ENODEV);
 }
 static void not_configged_close(int fd, void *data)
 {
-        printk(KERN_ERR "Using a channel type which is configured out of "
+        my_puts("Using a channel type which is configured out of "
               "UML\n");
 }
 static int not_configged_read(int fd, char *c_out, void *data)
 {
-        printk(KERN_ERR "Using a channel type which is configured out of "
+        my_puts("Using a channel type which is configured out of "
               "UML\n");
        return(-EIO);
 }
 static int not_configged_write(int fd, const char *buf, int len, void *data)
 {
-        printk(KERN_ERR "Using a channel type which is configured out of "
+        my_puts("Using a channel type which is configured out of "
               "UML\n");
        return(-EIO);
 }
@@ -66,7 +92,7 @@ static int not_configged_write(int fd, const char *buf, int len, void *data)
 static int not_configged_console_write(int fd, const char *buf, int len,
                                       void *data)
 {
-        printk(KERN_ERR "Using a channel type which is configured out of "
+        my_puts("Using a channel type which is configured out of "
               "UML\n");
        return(-EIO);
 }
@@ -74,14 +100,14 @@ static int not_configged_console_write(int fd, const char *buf, int len,
 static int not_configged_window_size(int fd, void *data, unsigned short *rows,
                                     unsigned short *cols)
 {
-        printk(KERN_ERR "Using a channel type which is configured out of "
+        my_puts("Using a channel type which is configured out of "
               "UML\n");
        return(-ENODEV);
 }
 static void not_configged_free(void *data)
 {
-        printf(KERN_ERR "Using a channel type which is configured out of "
+        my_puts("Using a channel type which is configured out of "
               "UML\n");
 }
@@ -457,7 +483,7 @@ static struct chan *parse_chan(char *str, int pri, int device,
                }
        }
        if(ops == NULL){
-                printk(KERN_ERR "parse_chan couldn't parse \"%s\"\n", 
+                my_printf("parse_chan couldn't parse \"%s\"\n",
                       str);
                return(NULL);
        }
@@ -465,7 +491,7 @@ static struct chan *parse_chan(char *str, int pri, int device,
        data = (*ops->init)(str, device, opts);
        if(data == NULL) return(NULL);
-        chan = kmalloc(sizeof(*chan), GFP_KERNEL);
+        chan = kmalloc(sizeof(*chan), GFP_ATOMIC);
        if(chan == NULL) return(NULL);
        *chan = ((struct chan) { .list          = LIST_HEAD_INIT(chan->list),
                                 .primary       = 1,
diff --git a/arch/um/drivers/mcast_user.c b/arch/um/drivers/mcast_user.c
index 7a0d115b29d0..5db136e2651c 100644
--- a/arch/um/drivers/mcast_user.c
+++ b/arch/um/drivers/mcast_user.c
@@ -13,7 +13,6 @@
 #include <errno.h>
 #include <unistd.h>
-#include <linux/inet.h>
 #include <sys/socket.h>
 #include <sys/un.h>
 #include <sys/time.h>
@@ -55,7 +54,7 @@ static int mcast_open(void *data)
        struct mcast_data *pri = data;
        struct sockaddr_in *sin = pri->mcast_addr;
        struct ip_mreq mreq;
-        int fd = -EINVAL, yes = 1, err = -EINVAL;;
+        int fd, yes = 1, err = 0;
        if ((sin->sin_addr.s_addr == 0) || (sin->sin_port == 0))
@@ -66,13 +65,14 @@ static int mcast_open(void *data)
        if (fd < 0){
                printk("mcast_open : data socket failed, errno = %d\n", 
                       errno);
-                fd = -errno;
+                err = -errno;
                goto out;
        }
        if (setsockopt(fd, SOL_SOCKET, SO_REUSEADDR, &yes, sizeof(yes)) < 0) {
                printk("mcast_open: SO_REUSEADDR failed, errno = %d\n",
                        errno);
+                err = -errno;
                goto out_close;
        }
@@ -81,6 +81,7 @@ static int mcast_open(void *data)
                       sizeof(pri->ttl)) < 0) {
                printk("mcast_open: IP_MULTICAST_TTL failed, error = %d\n",
                        errno);
+                err = -errno;
                goto out_close;
        }
@@ -88,12 +89,14 @@ static int mcast_open(void *data)
        if (setsockopt(fd, SOL_IP, IP_MULTICAST_LOOP, &yes, sizeof(yes)) < 0) {
                printk("mcast_open: IP_MULTICAST_LOOP failed, error = %d\n",
                        errno);
+                err = -errno;
                goto out_close;
        }
        /* bind socket to mcast address */
        if (bind(fd, (struct sockaddr *) sin, sizeof(*sin)) < 0) {
                printk("mcast_open : data bind failed, errno = %d\n", errno);
+                err = -errno;
                goto out_close;
        }               
        
@@ -108,14 +111,15 @@ static int mcast_open(void *data)
                       "interface on the host.\n");
                printk("eth0 should be configured in order to use the "
                       "multicast transport.\n");
+                err = -errno;
                goto out_close;
        }
- out:
        return fd;
 out_close:
        os_close_file(fd);
+ out:
        return err;
 }
diff --git a/arch/um/drivers/mconsole_kern.c b/arch/um/drivers/mconsole_kern.c
index c190c2414197..12c95368124a 100644
--- a/arch/um/drivers/mconsole_kern.c
+++ b/arch/um/drivers/mconsole_kern.c
@@ -32,6 +32,7 @@
 #include "os.h"
 #include "umid.h"
 #include "irq_kern.h"
+#include "choose-mode.h"
 static int do_unlink_socket(struct notifier_block *notifier, 
                            unsigned long what, void *data)
@@ -276,6 +277,7 @@ void mconsole_proc(struct mc_request *req)
    go - continue the UML after a 'stop' \n\
    log <string> - make UML enter <string> into the kernel log\n\
    proc <file> - returns the contents of the UML's /proc/<file>\n\
+    stack <pid> - returns the stack of the specified pid\n\
 "
 void mconsole_help(struct mc_request *req)
@@ -479,6 +481,56 @@ void mconsole_sysrq(struct mc_request *req)
 }
 #endif
+/* Mconsole stack trace
+ *  Added by Allan Graves, Jeff Dike
+ *  Dumps a stacks registers to the linux console.
+ *  Usage stack <pid>.
+ */
+void do_stack(struct mc_request *req)
+{
+        char *ptr = req->request.data;
+        int pid_requested= -1;
+        struct task_struct *from = NULL;
+        struct task_struct *to = NULL;
+        /* Would be nice:
+         * 1) Send showregs output to mconsole.
+         * 2) Add a way to stack dump all pids.
+         */
+        ptr += strlen("stack");
+        while(isspace(*ptr)) ptr++;
+        /* Should really check for multiple pids or reject bad args here */
+        /* What do the arguments in mconsole_reply mean? */
+        if(sscanf(ptr, "%d", &pid_requested) == 0){
+                mconsole_reply(req, "Please specify a pid", 1, 0);
+                return;
+        }
+        from = current;
+        to = find_task_by_pid(pid_requested);
+        if((to == NULL) || (pid_requested == 0)) {
+                mconsole_reply(req, "Couldn't find that pid", 1, 0);
+                return;
+        }
+        to->thread.saved_task = current;
+        switch_to(from, to, from);
+        mconsole_reply(req, "Stack Dumped to console and message log", 0, 0);
+}
+void mconsole_stack(struct mc_request *req)
+{
+        /* This command doesn't work in TT mode, so let's check and then
+         * get out of here
+         */
+        CHOOSE_MODE(mconsole_reply(req, "Sorry, this doesn't work in TT mode",
+                                   1, 0),
+                    do_stack(req));
+}
 /* Changed by mconsole_setup, which is __setup, and called before SMP is
 * active.
 */
diff --git a/arch/um/drivers/mconsole_user.c b/arch/um/drivers/mconsole_user.c
index fe5afb13252c..04383f98f4d5 100644
--- a/arch/um/drivers/mconsole_user.c
+++ b/arch/um/drivers/mconsole_user.c
@@ -23,13 +23,14 @@ static struct mconsole_command commands[] = {
        { "reboot", mconsole_reboot, MCONSOLE_PROC },
        { "config", mconsole_config, MCONSOLE_PROC },
        { "remove", mconsole_remove, MCONSOLE_PROC },
-        { "sysrq", mconsole_sysrq, MCONSOLE_INTR },
+        { "sysrq", mconsole_sysrq, MCONSOLE_PROC },
        { "help", mconsole_help, MCONSOLE_INTR },
        { "cad", mconsole_cad, MCONSOLE_INTR },
        { "stop", mconsole_stop, MCONSOLE_PROC },
        { "go", mconsole_go, MCONSOLE_INTR },
        { "log", mconsole_log, MCONSOLE_INTR },
        { "proc", mconsole_proc, MCONSOLE_PROC },
+        { "stack", mconsole_stack, MCONSOLE_INTR },
 };
 /* Initialized in mconsole_init, which is an initcall */
@@ -172,9 +173,9 @@ int mconsole_notify(char *sock_name, int type, const void *data, int len)
        if(notify_sock < 0){
                notify_sock = socket(PF_UNIX, SOCK_DGRAM, 0);
                if(notify_sock < 0){
-                        printk("mconsole_notify - socket failed, errno = %d\n",
-                               errno);
                        err = -errno;
+                        printk("mconsole_notify - socket failed, errno = %d\n",
+                               err);
                }
        }
        unlock_notify();
@@ -197,8 +198,8 @@ int mconsole_notify(char *sock_name, int type, const void *data, int len)
        n = sendto(notify_sock, &packet, len, 0, (struct sockaddr *) &target, 
                   sizeof(target));
        if(n < 0){
-                printk("mconsole_notify - sendto failed, errno = %d\n", errno);
                err = -errno;
+                printk("mconsole_notify - sendto failed, errno = %d\n", errno);
        }
        return(err);
 }
diff --git a/arch/um/drivers/pty.c b/arch/um/drivers/pty.c
index ed84d01df6cc..0306a1b215b7 100644
--- a/arch/um/drivers/pty.c
+++ b/arch/um/drivers/pty.c
@@ -43,8 +43,9 @@ static int pts_open(int input, int output, int primary, void *d,
        fd = get_pty();
        if(fd < 0){
+                err = -errno;
                printk("open_pts : Failed to open pts\n");
-                return(-errno);
+                return err;
        }
        if(data->raw){
                CATCH_EINTR(err = tcgetattr(fd, &data->tt));
diff --git a/arch/um/drivers/ubd_user.c b/arch/um/drivers/ubd_user.c
deleted file mode 100644
index b94d2bc4fe06..000000000000
--- a/arch/um/drivers/ubd_user.c
+++ /dev/null
@@ -1,75 +0,0 @@
-/* 
- * Copyright (C) 2000, 2001, 2002 Jeff Dike (jdike@karaya.com)
- * Copyright (C) 2001 Ridgerun,Inc (glonnon@ridgerun.com)
- * Licensed under the GPL
- */
-#include <stddef.h>
-#include <unistd.h>
-#include <errno.h>
-#include <sched.h>
-#include <signal.h>
-#include <string.h>
-#include <netinet/in.h>
-#include <sys/time.h>
-#include <sys/socket.h>
-#include <sys/mman.h>
-#include <sys/param.h>
-#include "asm/types.h"
-#include "user_util.h"
-#include "kern_util.h"
-#include "user.h"
-#include "ubd_user.h"
-#include "os.h"
-#include "cow.h"
-#include <endian.h>
-#include <byteswap.h>
-void ignore_sigwinch_sig(void)
-{
-        signal(SIGWINCH, SIG_IGN);
-}
-int start_io_thread(unsigned long sp, int *fd_out)
-{
-        int pid, fds[2], err;
-        err = os_pipe(fds, 1, 1);
-        if(err < 0){
-                printk("start_io_thread - os_pipe failed, err = %d\n", -err);
-                goto out;
-        }
-        kernel_fd = fds[0];
-        *fd_out = fds[1];
-        pid = clone(io_thread, (void *) sp, CLONE_FILES | CLONE_VM | SIGCHLD,
-                    NULL);
-        if(pid < 0){
-                printk("start_io_thread - clone failed : errno = %d\n", errno);
-                err = -errno;
-                goto out_close;
-        }
-        return(pid);
- out_close:
-        os_close_file(fds[0]);
-        os_close_file(fds[1]);
-        kernel_fd = -1;
-        *fd_out = -1;
- out:
-        return(err);
-}
-/*
- * 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/xterm.c b/arch/um/drivers/xterm.c
index 93dc1911363f..90e0e5ff451e 100644
--- a/arch/um/drivers/xterm.c
+++ b/arch/um/drivers/xterm.c
@@ -110,13 +110,15 @@ int xterm_open(int input, int output, int primary, void *d,
        fd = mkstemp(file);
        if(fd < 0){
+                err = -errno;
                printk("xterm_open : mkstemp failed, errno = %d\n", errno);
-                return(-errno);
+                return err;
        }
        if(unlink(file)){
+                err = -errno;
                printk("xterm_open : unlink failed, errno = %d\n", errno);
-                return(-errno);
+                return err;
        }
        os_close_file(fd);
diff --git a/arch/um/include/common-offsets.h b/arch/um/include/common-offsets.h
index 0aa620970adb..782ac3a3baf9 100644
--- a/arch/um/include/common-offsets.h
+++ b/arch/um/include/common-offsets.h
@@ -12,4 +12,6 @@ DEFINE_STR(UM_KERN_WARNING, KERN_WARNING);
 DEFINE_STR(UM_KERN_NOTICE, KERN_NOTICE);
 DEFINE_STR(UM_KERN_INFO, KERN_INFO);
 DEFINE_STR(UM_KERN_DEBUG, KERN_DEBUG);
-DEFINE(HOST_ELF_CLASS, ELF_CLASS);
+DEFINE(UM_ELF_CLASS, ELF_CLASS);
+DEFINE(UM_ELFCLASS32, ELFCLASS32);
+DEFINE(UM_ELFCLASS64, ELFCLASS64);
diff --git a/arch/um/include/mconsole.h b/arch/um/include/mconsole.h
index cfa368e045a5..b1b512f47035 100644
--- a/arch/um/include/mconsole.h
+++ b/arch/um/include/mconsole.h
@@ -81,6 +81,7 @@ extern void mconsole_stop(struct mc_request *req);
 extern void mconsole_go(struct mc_request *req);
 extern void mconsole_log(struct mc_request *req);
 extern void mconsole_proc(struct mc_request *req);
+extern void mconsole_stack(struct mc_request *req);
 extern int mconsole_get_request(int fd, struct mc_request *req);
 extern int mconsole_notify(char *sock_name, int type, const void *data, 
diff --git a/arch/um/include/mem_user.h b/arch/um/include/mem_user.h
index d6404bb64662..9fef4123a65a 100644
--- a/arch/um/include/mem_user.h
+++ b/arch/um/include/mem_user.h
@@ -51,7 +51,6 @@ extern unsigned long task_size;
 extern void check_devanon(void);
 extern int init_mem_user(void);
-extern int create_mem_file(unsigned long len);
 extern void setup_memory(void *entry);
 extern unsigned long find_iomem(char *driver, unsigned long *len_out);
 extern int init_maps(unsigned long physmem, unsigned long iomem,
@@ -64,20 +63,6 @@ extern unsigned long phys_offset(unsigned long phys);
 extern void unmap_physmem(void);
 extern void map_memory(unsigned long virt, unsigned long phys,
                       unsigned long len, int r, int w, int x);
-extern int protect_memory(unsigned long addr, unsigned long len, 
-                          int r, int w, int x, int must_succeed);
 extern unsigned long get_kmem_end(void);
-extern void check_tmpexec(void);
 #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/os.h b/arch/um/include/os.h
index 4c362458052c..583329d0a539 100644
--- a/arch/um/include/os.h
+++ b/arch/um/include/os.h
@@ -157,6 +157,9 @@ extern int os_lock_file(int fd, int excl);
 extern void os_early_checks(void);
 extern int can_do_skas(void);
+/* mem.c */
+extern int create_mem_file(unsigned long len);
 /* process.c */
 extern unsigned long os_process_pc(int pid);
 extern int os_process_parent(int pid);
@@ -181,6 +184,8 @@ extern unsigned long long os_usecs(void);
 /* tt.c
 * for tt mode only (will be deleted in future...)
 */
+extern int protect_memory(unsigned long addr, unsigned long len,
+                          int r, int w, int x, int must_succeed);
 extern void forward_pending_sigio(int target);
 extern int start_fork_tramp(void *arg, unsigned long temp_stack,
                            int clone_flags, int (*tramp)(void *));
diff --git a/arch/um/include/user.h b/arch/um/include/user.h
index 57ee9e261228..0f865ef46918 100644
--- a/arch/um/include/user.h
+++ b/arch/um/include/user.h
@@ -14,7 +14,9 @@ extern void *um_kmalloc_atomic(int size);
 extern void kfree(void *ptr);
 extern int in_aton(char *str);
 extern int open_gdb_chan(void);
-extern int strlcpy(char *, const char *, int);
+/* These use size_t, however unsigned long is correct on both i386 and x86_64. */
+extern unsigned long strlcpy(char *, const char *, unsigned long);
+extern unsigned long strlcat(char *, const char *, unsigned long);
 extern void *um_vmalloc(int size);
 extern void vfree(void *ptr);
diff --git a/arch/um/kernel/Makefile b/arch/um/kernel/Makefile
index 614b8ebeb0ed..1a0001b3850c 100644
--- a/arch/um/kernel/Makefile
+++ b/arch/um/kernel/Makefile
@@ -1,4 +1,4 @@
-# 
+#
 # Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
 # Licensed under the GPL
 #
@@ -7,11 +7,11 @@ extra-y := vmlinux.lds
 clean-files :=
 obj-y = config.o exec_kern.o exitcode.o \
-        helper.o init_task.o irq.o irq_user.o ksyms.o main.o mem.o mem_user.o \
+        helper.o init_task.o irq.o irq_user.o ksyms.o main.o mem.o physmem.o \
-        physmem.o process_kern.o ptrace.o reboot.o resource.o sigio_user.o \
+        process_kern.o ptrace.o reboot.o resource.o sigio_user.o sigio_kern.o \
-        sigio_kern.o signal_kern.o signal_user.o smp.o syscall_kern.o sysrq.o \
+        signal_kern.o signal_user.o smp.o syscall_kern.o sysrq.o time.o \
-        tempfile.o time.o time_kern.o tlb.o trap_kern.o trap_user.o \
+        time_kern.o tlb.o trap_kern.o trap_user.o uaccess_user.o um_arch.o \
-        uaccess_user.o um_arch.o umid.o user_util.o
+        umid.o user_util.o
 obj-$(CONFIG_BLK_DEV_INITRD) += initrd.o
 obj-$(CONFIG_GPROF)     += gprof_syms.o
@@ -24,8 +24,8 @@ obj-$(CONFIG_MODE_SKAS) += skas/
 user-objs-$(CONFIG_TTY_LOG) += tty_log.o
-USER_OBJS := $(user-objs-y) config.o helper.o main.o tempfile.o time.o \
+USER_OBJS := $(user-objs-y) config.o helper.o main.o time.o tty_log.o umid.o \
-        tty_log.o umid.o user_util.o
+        user_util.o
 include arch/um/scripts/Makefile.rules
diff --git a/arch/um/kernel/helper.c b/arch/um/kernel/helper.c
index f83e1e8e2392..33fb0bd3b11a 100644
--- a/arch/um/kernel/helper.c
+++ b/arch/um/kernel/helper.c
@@ -85,8 +85,8 @@ int run_helper(void (*pre_exec)(void *), void *pre_data, char **argv,
        data.fd = fds[1];
        pid = clone(helper_child, (void *) sp, CLONE_VM | SIGCHLD, &data);
        if(pid < 0){
-                printk("run_helper : clone failed, errno = %d\n", errno);
                ret = -errno;
+                printk("run_helper : clone failed, errno = %d\n", errno);
                goto out_close;
        }
@@ -122,7 +122,7 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
                      unsigned long *stack_out, int stack_order)
 {
        unsigned long stack, sp;
-        int pid, status;
+        int pid, status, err;
        stack = alloc_stack(stack_order, um_in_interrupt());
        if(stack == 0) return(-ENOMEM);
@@ -130,16 +130,18 @@ int run_helper_thread(int (*proc)(void *), void *arg, unsigned int flags,
        sp = stack + (page_size() << stack_order) - sizeof(void *);
        pid = clone(proc, (void *) sp, flags | SIGCHLD, arg);
        if(pid < 0){
+                err = -errno;
                printk("run_helper_thread : clone failed, errno = %d\n", 
                       errno);
-                return(-errno);
+                return err;
        }
        if(stack_out == NULL){
                CATCH_EINTR(pid = waitpid(pid, &status, 0));
                if(pid < 0){
+                        err = -errno;
                        printk("run_helper_thread - wait failed, errno = %d\n",
                               errno);
-                        pid = -errno;
+                        pid = err;
                }
                if(!WIFEXITED(status) || (WEXITSTATUS(status) != 0))
                        printk("run_helper_thread - thread returned status "
@@ -156,8 +158,8 @@ int helper_wait(int pid)
        CATCH_EINTR(ret = waitpid(pid, NULL, WNOHANG));
        if(ret < 0){
+                ret = -errno;
                printk("helper_wait : waitpid failed, errno = %d\n", errno);
-                return(-errno);
        }
        return(ret);
 }
diff --git a/arch/um/kernel/init_task.c b/arch/um/kernel/init_task.c
index cd7c85be0a1b..49ed5ddf0704 100644
--- a/arch/um/kernel/init_task.c
+++ b/arch/um/kernel/init_task.c
@@ -13,6 +13,7 @@
 #include "asm/pgtable.h"
 #include "user_util.h"
 #include "mem_user.h"
+#include "os.h"
 static struct fs_struct init_fs = INIT_FS;
 struct mm_struct init_mm = INIT_MM(init_mm);
@@ -45,8 +46,8 @@ __attribute__((__section__(".data.init_task"))) =
 void unprotect_stack(unsigned long stack)
 {
-        protect_memory(stack, (1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE, 
+        os_protect_memory((void *) stack, (1 << CONFIG_KERNEL_STACK_ORDER) * PAGE_SIZE,
-                       1, 1, 0, 1);
+                       1, 1, 0);
 }
 /*
diff --git a/arch/um/kernel/mem.c b/arch/um/kernel/mem.c
index 64fa062cc119..ea008b031a8f 100644
--- a/arch/um/kernel/mem.c
+++ b/arch/um/kernel/mem.c
@@ -1,4 +1,4 @@
-/* 
+/*
 * Copyright (C) 2000 - 2003 Jeff Dike (jdike@addtoit.com)
 * Licensed under the GPL
 */
@@ -19,6 +19,10 @@
 #include "mem_user.h"
 #include "uml_uaccess.h"
 #include "os.h"
+#include "linux/types.h"
+#include "linux/string.h"
+#include "init.h"
+#include "kern_constants.h"
 extern char __binary_start;
@@ -368,6 +372,16 @@ struct page *pte_alloc_one(struct mm_struct *mm, unsigned long address)
        return pte;
 }
+struct iomem_region *iomem_regions = NULL;
+int iomem_size = 0;
+extern int parse_iomem(char *str, int *add) __init;
+__uml_setup("iomem=", parse_iomem,
+"iomem=<name>,<file>\n"
+"    Configure <file> as an IO memory region named <name>.\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
diff --git a/arch/um/kernel/mem_user.c b/arch/um/kernel/mem_user.c
deleted file mode 100644
index 4a663fd434bb..000000000000
--- a/arch/um/kernel/mem_user.c
+++ /dev/null
@@ -1,273 +0,0 @@
-/*
- * arch/um/kernel/mem_user.c
- *
- * BRIEF MODULE DESCRIPTION
- * user side memory routines for supporting IO memory inside user mode linux
- *
- * Copyright (C) 2001 RidgeRun, Inc.
- * Author: RidgeRun, Inc.
- *         Greg Lonnon glonnon@ridgerun.com or info@ridgerun.com
- *
- *  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  SOFTWARE  IS PROVIDED   ``AS  IS'' AND   ANY  EXPRESS OR IMPLIED
- *  WARRANTIES,   INCLUDING, BUT NOT  LIMITED  TO, THE IMPLIED WARRANTIES OF
- *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.  IN
- *  NO  EVENT  SHALL   THE AUTHOR  BE    LIABLE FOR ANY   DIRECT, INDIRECT,
- *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- *  NOT LIMITED   TO, PROCUREMENT OF  SUBSTITUTE GOODS  OR SERVICES; LOSS OF
- *  USE, DATA,  OR PROFITS; OR  BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
- *  ANY THEORY OF LIABILITY, WHETHER IN  CONTRACT, STRICT LIABILITY, OR TORT
- *  (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- *  THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- *
- *  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.,
- *  675 Mass Ave, Cambridge, MA 02139, USA.
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <stddef.h>
-#include <stdarg.h>
-#include <unistd.h>
-#include <errno.h>
-#include <string.h>
-#include <fcntl.h>
-#include <sys/types.h>
-#include <sys/mman.h>
-#include "kern_util.h"
-#include "user.h"
-#include "user_util.h"
-#include "mem_user.h"
-#include "init.h"
-#include "os.h"
-#include "tempfile.h"
-#include "kern_constants.h"
-#define TEMPNAME_TEMPLATE "vm_file-XXXXXX"
-static int create_tmp_file(unsigned long len)
-{
-        int fd, err;
-        char zero;
-        fd = make_tempfile(TEMPNAME_TEMPLATE, NULL, 1);
-        if(fd < 0) {
-                os_print_error(fd, "make_tempfile");
-                exit(1);
-        }
-        err = os_mode_fd(fd, 0777);
-        if(err < 0){
-                os_print_error(err, "os_mode_fd");
-                exit(1);
-        }
-        err = os_seek_file(fd, len);
-        if(err < 0){
-                os_print_error(err, "os_seek_file");
-                exit(1);
-        }
-        zero = 0;
-        err = os_write_file(fd, &zero, 1);
-        if(err != 1){
-                os_print_error(err, "os_write_file");
-                exit(1);
-        }
-        return(fd);
-}
-void check_tmpexec(void)
-{
-        void *addr;
-        int err, fd = create_tmp_file(UM_KERN_PAGE_SIZE);
-        addr = mmap(NULL, UM_KERN_PAGE_SIZE,
-                    PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
-        printf("Checking PROT_EXEC mmap in /tmp...");
-        fflush(stdout);
-        if(addr == MAP_FAILED){
-                err = errno;
-                perror("failed");
-                if(err == EPERM)
-                        printf("/tmp must be not mounted noexec\n");
-                exit(1);
-        }
-        printf("OK\n");
-        munmap(addr, UM_KERN_PAGE_SIZE);
-        os_close_file(fd);
-}
-static int have_devanon = 0;
-void check_devanon(void)
-{
-        int fd;
-        printk("Checking for /dev/anon on the host...");
-        fd = open("/dev/anon", O_RDWR);
-        if(fd < 0){
-                printk("Not available (open failed with errno %d)\n", errno);
-                return;
-        }
-        printk("OK\n");
-        have_devanon = 1;
-}
-static int create_anon_file(unsigned long len)
-{
-        void *addr;
-        int fd;
-        fd = open("/dev/anon", O_RDWR);
-        if(fd < 0) {
-                os_print_error(fd, "opening /dev/anon");
-                exit(1);
-        }
-        addr = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
-        if(addr == MAP_FAILED){
-                perror("mapping physmem file");
-                exit(1);
-        }
-        munmap(addr, len);
-        return(fd);
-}
-int create_mem_file(unsigned long len)
-{
-        int err, fd;
-        if(have_devanon)
-                fd = create_anon_file(len);
-        else fd = create_tmp_file(len);
-        err = os_set_exec_close(fd, 1);
-        if(err < 0)
-                os_print_error(err, "exec_close");
-        return(fd);
-}
-struct iomem_region *iomem_regions = NULL;
-int iomem_size = 0;
-static int __init parse_iomem(char *str, int *add)
-{
-        struct iomem_region *new;
-        struct uml_stat buf;
-        char *file, *driver;
-        int fd, err, size;
-        driver = str;
-        file = strchr(str,',');
-        if(file == NULL){
-                printf("parse_iomem : failed to parse iomem\n");
-                goto out;
-        }
-        *file = '\0';
-        file++;
-        fd = os_open_file(file, of_rdwr(OPENFLAGS()), 0);
-        if(fd < 0){
-                os_print_error(fd, "parse_iomem - Couldn't open io file");
-                goto out;
-        }
-        err = os_stat_fd(fd, &buf);
-        if(err < 0){
-                os_print_error(err, "parse_iomem - cannot stat_fd file");
-                goto out_close;
-        }
-        new = malloc(sizeof(*new));
-        if(new == NULL){
-                perror("Couldn't allocate iomem_region struct");
-                goto out_close;
-        }
-        size = (buf.ust_size + UM_KERN_PAGE_SIZE) & ~(UM_KERN_PAGE_SIZE - 1);
-        *new = ((struct iomem_region) { .next           = iomem_regions,
-                                        .driver         = driver,
-                                        .fd             = fd,
-                                        .size           = size,
-                                        .phys           = 0,
-                                        .virt           = 0 });
-        iomem_regions = new;
-        iomem_size += new->size + UM_KERN_PAGE_SIZE;
-        return(0);
- out_close:
-        os_close_file(fd);
- out:
-        return(1);
-}
-__uml_setup("iomem=", parse_iomem,
-"iomem=<name>,<file>\n"
-"    Configure <file> as an IO memory region named <name>.\n\n"
-);
-int protect_memory(unsigned long addr, unsigned long len, int r, int w, int x,
-                   int must_succeed)
-{
-        int err;
-        err = os_protect_memory((void *) addr, len, r, w, x);
-        if(err < 0){
-                if(must_succeed)
-                        panic("protect failed, err = %d", -err);
-                else return(err);
-        }
-        return(0);
-}
-#if 0
-/* Debugging facility for dumping stuff out to the host, avoiding the timing
- * problems that come with printf and breakpoints.
- * Enable in case of emergency.
- */
-int logging = 1;
-int logging_fd = -1;
-int logging_line = 0;
-char logging_buf[512];
-void log(char *fmt, ...)
-{
-        va_list ap;
-        struct timeval tv;
-        struct openflags flags;
-        if(logging == 0) return;
-        if(logging_fd < 0){
-                flags = of_create(of_trunc(of_rdwr(OPENFLAGS())));
-                logging_fd = os_open_file("log", flags, 0644);
-        }
-        gettimeofday(&tv, NULL);
-        sprintf(logging_buf, "%d\t %u.%u  ", logging_line++, tv.tv_sec,
-                tv.tv_usec);
-        va_start(ap, fmt);
-        vsprintf(&logging_buf[strlen(logging_buf)], fmt, ap);
-        va_end(ap);
-        write(logging_fd, logging_buf, strlen(logging_buf));
-}
-#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/process_kern.c b/arch/um/kernel/process_kern.c
index c23d8a08d0ff..ea65db679e9c 100644
--- a/arch/um/kernel/process_kern.c
+++ b/arch/um/kernel/process_kern.c
@@ -82,7 +82,8 @@ unsigned long alloc_stack(int order, int atomic)
        unsigned long page;
        int flags = GFP_KERNEL;
-        if(atomic) flags |= GFP_ATOMIC;
+        if (atomic)
+                flags = GFP_ATOMIC;
        page = __get_free_pages(flags, order);
        if(page == 0)
                return(0);
@@ -113,8 +114,23 @@ void set_current(void *t)
 void *_switch_to(void *prev, void *next, void *last)
 {
-        return(CHOOSE_MODE(switch_to_tt(prev, next), 
+        struct task_struct *from = prev;
-                           switch_to_skas(prev, next)));
+        struct task_struct *to= next;
+        to->thread.prev_sched = from;
+        set_current(to);
+        do {
+                current->thread.saved_task = NULL ;
+                CHOOSE_MODE_PROC(switch_to_tt, switch_to_skas, prev, next);
+                if(current->thread.saved_task)
+                        show_regs(&(current->thread.regs));
+                next= current->thread.saved_task;
+                prev= current;
+        } while(current->thread.saved_task);
+        return(current->thread.prev_sched);
 }
 void interrupt_end(void)
diff --git a/arch/um/kernel/sigio_user.c b/arch/um/kernel/sigio_user.c
index e89218958f38..a52751108aa1 100644
--- a/arch/um/kernel/sigio_user.c
+++ b/arch/um/kernel/sigio_user.c
@@ -340,7 +340,7 @@ static int setup_initial_poll(int fd)
 {
        struct pollfd *p;
-        p = um_kmalloc(sizeof(struct pollfd));
+        p = um_kmalloc_atomic(sizeof(struct pollfd));
        if(p == NULL){
                printk("setup_initial_poll : failed to allocate poll\n");
                return(-1);
diff --git a/arch/um/kernel/skas/include/mode_kern-skas.h b/arch/um/kernel/skas/include/mode_kern-skas.h
index e48490028111..c97a80dfe370 100644
--- a/arch/um/kernel/skas/include/mode_kern-skas.h
+++ b/arch/um/kernel/skas/include/mode_kern-skas.h
@@ -11,7 +11,7 @@
 #include "asm/ptrace.h"
 extern void flush_thread_skas(void);
-extern void *switch_to_skas(void *prev, void *next);
+extern void switch_to_skas(void *prev, void *next);
 extern void start_thread_skas(struct pt_regs *regs, unsigned long eip,
                              unsigned long esp);
 extern int copy_thread_skas(int nr, unsigned long clone_flags,
diff --git a/arch/um/kernel/skas/include/uaccess-skas.h b/arch/um/kernel/skas/include/uaccess-skas.h
index 6ee3f3902e68..7da0c2def0ef 100644
--- a/arch/um/kernel/skas/include/uaccess-skas.h
+++ b/arch/um/kernel/skas/include/uaccess-skas.h
@@ -18,12 +18,6 @@
          ((unsigned long) (addr) + (size) <= FIXADDR_USER_END) && \
          ((unsigned long) (addr) + (size) >= (unsigned long)(addr))))
-static inline int verify_area_skas(int type, const void __user * addr,
-                                   unsigned long size)
-{
-        return(access_ok_skas(type, addr, size) ? 0 : -EFAULT);
-}
 extern int copy_from_user_skas(void *to, const void __user *from, int n);
 extern int copy_to_user_skas(void __user *to, const void *from, int n);
 extern int strncpy_from_user_skas(char *dst, const char __user *src, int count);
diff --git a/arch/um/kernel/skas/process_kern.c b/arch/um/kernel/skas/process_kern.c
index 3d1b227226e6..efe92e8aa2a9 100644
--- a/arch/um/kernel/skas/process_kern.c
+++ b/arch/um/kernel/skas/process_kern.c
@@ -24,7 +24,7 @@
 #include "proc_mm.h"
 #include "registers.h"
-void *switch_to_skas(void *prev, void *next)
+void switch_to_skas(void *prev, void *next)
 {
        struct task_struct *from, *to;
@@ -35,16 +35,11 @@ void *switch_to_skas(void *prev, void *next)
        if(current->pid == 0)
                switch_timers(0);
-        to->thread.prev_sched = from;
-        set_current(to);
        switch_threads(&from->thread.mode.skas.switch_buf, 
                       to->thread.mode.skas.switch_buf);
        if(current->pid == 0)
                switch_timers(1);
-        return(current->thread.prev_sched);
 }
 extern void schedule_tail(struct task_struct *prev);
diff --git a/arch/um/kernel/tempfile.c b/arch/um/kernel/tempfile.c
deleted file mode 100644
index b1674bc1395d..000000000000
--- a/arch/um/kernel/tempfile.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * Copyright (C) 2002 Jeff Dike (jdike@karaya.com)
- * Licensed under the GPL
- */
-#include <stdio.h>
-#include <stdlib.h>
-#include <unistd.h>
-#include <string.h>
-#include <errno.h>
-#include <sys/param.h>
-#include "init.h"
-/* Modified from create_mem_file and start_debugger */
-static char *tempdir = NULL;
-static void __init find_tempdir(void)
-{
-        char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL };
-        int i;
-        char *dir = NULL;
-        if(tempdir != NULL) return;     /* We've already been called */
-        for(i = 0; dirs[i]; i++){
-                dir = getenv(dirs[i]);
-                if((dir != NULL) && (*dir != '\0'))
-                        break;
-        }
-        if((dir == NULL) || (*dir == '\0')) 
-                dir = "/tmp";
-        tempdir = malloc(strlen(dir) + 2);
-        if(tempdir == NULL){
-                fprintf(stderr, "Failed to malloc tempdir, "
-                        "errno = %d\n", errno);
-                return;
-        }
-        strcpy(tempdir, dir);
-        strcat(tempdir, "/");
-}
-int make_tempfile(const char *template, char **out_tempname, int do_unlink)
-{
-        char tempname[MAXPATHLEN];
-        int fd;
-        find_tempdir();
-        if (*template != '/')
-                strcpy(tempname, tempdir);
-        else
-                *tempname = 0;
-        strcat(tempname, template);
-        fd = mkstemp(tempname);
-        if(fd < 0){
-                fprintf(stderr, "open - cannot create %s: %s\n", tempname, 
-                        strerror(errno));
-                return -1;
-        }
-        if(do_unlink && (unlink(tempname) < 0)){
-                perror("unlink");
-                return -1;
-        }
-        if(out_tempname){
-                *out_tempname = strdup(tempname);
-                if(*out_tempname == NULL){
-                        perror("strdup");
-                        return -1;
-                }
-        }
-        return(fd);
-}
-/*
- * 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/tlb.c b/arch/um/kernel/tlb.c
index 80ed6188e8a2..f5b0636f9ad7 100644
--- a/arch/um/kernel/tlb.c
+++ b/arch/um/kernel/tlb.c
@@ -193,12 +193,12 @@ void fix_range_common(struct mm_struct *mm, unsigned long start_addr,
                r = pte_read(*npte);
                w = pte_write(*npte);
                x = pte_exec(*npte);
-                if(!pte_dirty(*npte))
+                if (!pte_young(*npte)) {
-                        w = 0;
+                        r = 0;
-                if(!pte_young(*npte)){
+                        w = 0;
-                        r = 0;
+                } else if (!pte_dirty(*npte)) {
-                        w = 0;
+                        w = 0;
-                }
+                }
                if(force || pte_newpage(*npte)){
                        if(pte_present(*npte))
                          ret = add_mmap(addr,
@@ -307,7 +307,7 @@ int flush_tlb_kernel_range_common(unsigned long start, unsigned long end)
                }
                else if(pte_newprot(*pte)){
                        updated = 1;
-                        protect_memory(addr, PAGE_SIZE, 1, 1, 1, 1);
+                        os_protect_memory((void *) addr, PAGE_SIZE, 1, 1, 1);
                }
                addr += PAGE_SIZE;
        }
diff --git a/arch/um/kernel/trap_kern.c b/arch/um/kernel/trap_kern.c
index 87cc6fd76ced..d297429ac360 100644
--- a/arch/um/kernel/trap_kern.c
+++ b/arch/um/kernel/trap_kern.c
@@ -18,6 +18,7 @@
 #include "asm/a.out.h"
 #include "asm/current.h"
 #include "asm/irq.h"
+#include "sysdep/sigcontext.h"
 #include "user_util.h"
 #include "kern_util.h"
 #include "kern.h"
@@ -39,6 +40,12 @@ int handle_page_fault(unsigned long address, unsigned long ip,
        int err = -EFAULT;
        *code_out = SEGV_MAPERR;
+        /* If the fault was during atomic operation, don't take the fault, just
+         * fail. */
+        if (in_atomic())
+                goto out_nosemaphore;
        down_read(&mm->mmap_sem);
        vma = find_vma(mm, address);
        if(!vma) 
@@ -89,6 +96,7 @@ survive:
        flush_tlb_page(vma, address);
 out:
        up_read(&mm->mmap_sem);
+out_nosemaphore:
        return(err);
 /*
@@ -125,7 +133,15 @@ unsigned long segv(struct faultinfo fi, unsigned long ip, int is_user, void *sc)
        }
        else if(current->mm == NULL)
                panic("Segfault with no mm");
-        err = handle_page_fault(address, ip, is_write, is_user, &si.si_code);
+        if (SEGV_IS_FIXABLE(&fi))
+                err = handle_page_fault(address, ip, is_write, is_user, &si.si_code);
+        else {
+                err = -EFAULT;
+                /* A thread accessed NULL, we get a fault, but CR2 is invalid.
+                 * This code is used in __do_copy_from_user() of TT mode. */
+                address = 0;
+        }
        catcher = current->thread.fault_catcher;
        if(!err)
diff --git a/arch/um/kernel/tt/include/mode_kern-tt.h b/arch/um/kernel/tt/include/mode_kern-tt.h
index e0ca0e0b2516..2a35b15c5fef 100644
--- a/arch/um/kernel/tt/include/mode_kern-tt.h
+++ b/arch/um/kernel/tt/include/mode_kern-tt.h
@@ -11,7 +11,7 @@
 #include "asm/ptrace.h"
 #include "asm/uaccess.h"
-extern void *switch_to_tt(void *prev, void *next);
+extern void switch_to_tt(void *prev, void *next);
 extern void flush_thread_tt(void);
 extern void start_thread_tt(struct pt_regs *regs, unsigned long eip,
                           unsigned long esp);
diff --git a/arch/um/kernel/tt/include/uaccess-tt.h b/arch/um/kernel/tt/include/uaccess-tt.h
index aa6db384af80..dc2ebfa8c54f 100644
--- a/arch/um/kernel/tt/include/uaccess-tt.h
+++ b/arch/um/kernel/tt/include/uaccess-tt.h
@@ -33,12 +33,6 @@ extern unsigned long uml_physmem;
         (((unsigned long) (addr) <= ((unsigned long) (addr) + (size))) && \
          (under_task_size(addr, size) || is_stack(addr, size))))
-static inline int verify_area_tt(int type, const void __user * addr,
-                                 unsigned long size)
-{
-        return(access_ok_tt(type, addr, size) ? 0 : -EFAULT);
-}
 extern unsigned long get_fault_addr(void);
 extern int __do_copy_from_user(void *to, const void *from, int n,
diff --git a/arch/um/kernel/tt/mem_user.c b/arch/um/kernel/tt/mem_user.c
index 3085267459b1..03e589895388 100644
--- a/arch/um/kernel/tt/mem_user.c
+++ b/arch/um/kernel/tt/mem_user.c
@@ -12,6 +12,7 @@
 #include "tt.h"
 #include "mem_user.h"
 #include "user_util.h"
+#include "os.h"
 void remap_data(void *segment_start, void *segment_end, int w)
 {
diff --git a/arch/um/kernel/tt/process_kern.c b/arch/um/kernel/tt/process_kern.c
index a189a2b92935..cfaa373a6e77 100644
--- a/arch/um/kernel/tt/process_kern.c
+++ b/arch/um/kernel/tt/process_kern.c
@@ -23,10 +23,11 @@
 #include "mem_user.h"
 #include "tlb.h"
 #include "mode.h"
+#include "mode_kern.h"
 #include "init.h"
 #include "tt.h"
-void *switch_to_tt(void *prev, void *next, void *last)
+void switch_to_tt(void *prev, void *next)
 {
        struct task_struct *from, *to, *prev_sched;
        unsigned long flags;
@@ -36,8 +37,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
        from = prev;
        to = next;
-        to->thread.prev_sched = from;
        cpu = from->thread_info->cpu;
        if(cpu == 0)
                forward_interrupts(to->thread.mode.tt.extern_pid);
@@ -53,7 +52,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
        forward_pending_sigio(to->thread.mode.tt.extern_pid);
        c = 0;
-        set_current(to);
        err = os_write_file(to->thread.mode.tt.switch_pipe[1], &c, sizeof(c));
        if(err != sizeof(c))
@@ -85,8 +83,6 @@ void *switch_to_tt(void *prev, void *next, void *last)
        flush_tlb_all();
        local_irq_restore(flags);
-        return(current->thread.prev_sched);
 }
 void release_thread_tt(struct task_struct *task)
diff --git a/arch/um/kernel/tt/uaccess_user.c b/arch/um/kernel/tt/uaccess_user.c
index f01475512ecb..8c220f054b61 100644
--- a/arch/um/kernel/tt/uaccess_user.c
+++ b/arch/um/kernel/tt/uaccess_user.c
@@ -22,8 +22,15 @@ int __do_copy_from_user(void *to, const void *from, int n,
                               __do_copy, &faulted);
        TASK_REGS(get_current())->tt = save;
-        if(!faulted) return(0);
+        if(!faulted)
-        else return(n - (fault - (unsigned long) from));
+                return 0;
+        else if (fault)
+                return n - (fault - (unsigned long) from);
+        else
+                /* In case of a general protection fault, we don't have the
+                 * fault address, so NULL is used instead. Pretend we didn't
+                 * copy anything. */
+                return n;
 }
 static void __do_strncpy(void *dst, const void *src, int count)
diff --git a/arch/um/kernel/um_arch.c b/arch/um/kernel/um_arch.c
index 09f6f7ce4695..f0a275947d34 100644
--- a/arch/um/kernel/um_arch.c
+++ b/arch/um/kernel/um_arch.c
@@ -361,11 +361,6 @@ int linux_main(int argc, char **argv)
        uml_start = CHOOSE_MODE_PROC(set_task_sizes_tt, set_task_sizes_skas, 0,
                                     &host_task_size, &task_size);
-        /* Need to check this early because mmapping happens before the
-         * kernel is running.
-         */
-        check_tmpexec();
        brk_start = (unsigned long) sbrk(0);
        CHOOSE_MODE_PROC(before_mem_tt, before_mem_skas, brk_start);
        /* Increase physical memory size for exec-shield users
diff --git a/arch/um/kernel/umid.c b/arch/um/kernel/umid.c
index 186c28885016..0b21d59ba0cd 100644
--- a/arch/um/kernel/umid.c
+++ b/arch/um/kernel/umid.c
@@ -31,6 +31,8 @@ static char *uml_dir = UML_DIR;
 /* Changed by set_umid */
 static int umid_is_random = 1;
 static int umid_inited = 0;
+/* Have we created the files? Should we remove them? */
+static int umid_owned = 0;
 static int make_umid(int (*printer)(const char *fmt, ...));
@@ -82,20 +84,21 @@ int __init umid_file_name(char *name, char *buf, int len)
 extern int tracing_pid;
-static int __init create_pid_file(void)
+static void __init create_pid_file(void)
 {
        char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
        char pid[sizeof("nnnnn\0")];
        int fd, n;
-        if(umid_file_name("pid", file, sizeof(file))) return 0;
+        if(umid_file_name("pid", file, sizeof(file)))
+                return;
        fd = os_open_file(file, of_create(of_excl(of_rdwr(OPENFLAGS()))), 
                          0644);
        if(fd < 0){
                printf("Open of machine pid file \"%s\" failed: %s\n",
                       file, strerror(-fd));
-                return 0;
+                return;
        }
        sprintf(pid, "%d\n", os_getpid());
@@ -103,7 +106,6 @@ static int __init create_pid_file(void)
        if(n != strlen(pid))
                printf("Write of pid file failed - err = %d\n", -n);
        os_close_file(fd);
-        return 0;
 }
 static int actually_do_remove(char *dir)
@@ -147,7 +149,8 @@ static int actually_do_remove(char *dir)
 void remove_umid_dir(void)
 {
        char dir[strlen(uml_dir) + UMID_LEN + 1];
-        if(!umid_inited) return;
+        if (!umid_owned)
+                return;
        sprintf(dir, "%s%s", uml_dir, umid);
        actually_do_remove(dir);
@@ -155,11 +158,12 @@ void remove_umid_dir(void)
 char *get_umid(int only_if_set)
 {
-        if(only_if_set && umid_is_random) return(NULL);
+        if(only_if_set && umid_is_random)
-        return(umid);
+                return NULL;
+        return umid;
 }
-int not_dead_yet(char *dir)
+static int not_dead_yet(char *dir)
 {
        char file[strlen(uml_dir) + UMID_LEN + sizeof("/pid\0")];
        char pid[sizeof("nnnnn\0")], *end;
@@ -193,7 +197,8 @@ int not_dead_yet(char *dir)
                   (p == CHOOSE_MODE(tracing_pid, os_getpid())))
                        dead = 1;
        }
-        if(!dead) return(1);
+        if(!dead)
+                return(1);
        return(actually_do_remove(dir));
 }
@@ -232,16 +237,13 @@ static int __init make_uml_dir(void)
                strlcpy(dir, home, sizeof(dir));
                uml_dir++;
        }
+        strlcat(dir, uml_dir, sizeof(dir));
        len = strlen(dir);
-        strncat(dir, uml_dir, sizeof(dir) - len);
+        if (len > 0 && dir[len - 1] != '/')
-        len = strlen(dir);
+                strlcat(dir, "/", sizeof(dir));
-        if((len > 0) && (len < sizeof(dir) - 1) && (dir[len - 1] != '/')){
-                dir[len] = '/';
-                dir[len + 1] = '\0';
-        }
        uml_dir = malloc(strlen(dir) + 1);
-        if(uml_dir == NULL){
+        if (uml_dir == NULL) {
                printf("make_uml_dir : malloc failed, errno = %d\n", errno);
                exit(1);
        }
@@ -286,6 +288,7 @@ static int __init make_umid(int (*printer)(const char *fmt, ...))
                if(errno == EEXIST){
                        if(not_dead_yet(tmp)){
                                (*printer)("umid '%s' is in use\n", umid);
+                                umid_owned = 0;
                                return(-1);
                        }
                        err = mkdir(tmp, 0777);
@@ -296,7 +299,8 @@ static int __init make_umid(int (*printer)(const char *fmt, ...))
                return(-1);
        }
-        return(0);
+        umid_owned = 1;
+        return 0;
 }
 __uml_setup("uml_dir=", set_uml_dir,
@@ -309,7 +313,8 @@ static int __init make_umid_setup(void)
        /* one function with the ordering we need ... */
        make_uml_dir();
        make_umid(printf);
-        return create_pid_file();
+        create_pid_file();
+        return 0;
 }
 __uml_postsetup(make_umid_setup);
diff --git a/arch/um/kernel/user_util.c b/arch/um/kernel/user_util.c
index 954ff67cc8b3..41d17c71511c 100644
--- a/arch/um/kernel/user_util.c
+++ b/arch/um/kernel/user_util.c
@@ -109,18 +109,14 @@ int raw(int fd)
        int err;
        CATCH_EINTR(err = tcgetattr(fd, &tt));
-        if (err < 0) {
+        if(err < 0)
-                        printk("tcgetattr failed, errno = %d\n", errno);
+                return -errno;
-                return(-errno);
-        }
        cfmakeraw(&tt);
        CATCH_EINTR(err = tcsetattr(fd, TCSADRAIN, &tt));
-        if (err < 0) {
+        if(err < 0)
-                        printk("tcsetattr failed, errno = %d\n", errno);
+                return -errno;
-                return(-errno);
-        }
        /* XXX tcsetattr could have applied only some changes
         * (and cfmakeraw() is a set of changes) */
@@ -132,6 +128,12 @@ void setup_machinename(char *machine_out)
        struct utsname host;
        uname(&host);
+#if defined(UML_CONFIG_UML_X86) && !defined(UML_CONFIG_64BIT)
+        if (!strcmp(host.machine, "x86_64")) {
+                strcpy(machine_out, "i686");
+                return;
+        }
+#endif
        strcpy(machine_out, host.machine);
 }
diff --git a/arch/um/os-Linux/Makefile b/arch/um/os-Linux/Makefile
index 7a1662419c0c..d15ec2af6a22 100644
--- a/arch/um/os-Linux/Makefile
+++ b/arch/um/os-Linux/Makefile
@@ -3,11 +3,11 @@
 # Licensed under the GPL
 #
-obj-y = aio.o elf_aux.o file.o process.o signal.o start_up.o time.o tt.o \
+obj-y = aio.o elf_aux.o file.o mem.o process.o signal.o start_up.o time.o \
-        tty.o user_syms.o drivers/ sys-$(SUBARCH)/
+        tt.o tty.o user_syms.o drivers/ sys-$(SUBARCH)/
-USER_OBJS := aio.o elf_aux.o file.o process.o signal.o start_up.o time.o tt.o \
+USER_OBJS := aio.o elf_aux.o file.o mem.o process.o signal.o start_up.o \
-        tty.o
+        time.o tt.o tty.o
 elf_aux.o: $(ARCH_DIR)/kernel-offsets.h
 CFLAGS_elf_aux.o += -I$(objtree)/arch/um
diff --git a/arch/um/os-Linux/aio.c b/arch/um/os-Linux/aio.c
index b04897cd995d..f6e64026f995 100644
--- a/arch/um/os-Linux/aio.c
+++ b/arch/um/os-Linux/aio.c
@@ -117,6 +117,8 @@ static int do_aio(aio_context_t ctx, struct aio_context *aio)
        err = io_submit(ctx, 1, &iocbp);
        if(err > 0)
                err = 0;
+        else
+                err = -errno;
 out:
        return err;
@@ -142,7 +144,8 @@ static int aio_thread(void *arg)
                               "errno = %d\n", errno);
                }
                else {
-                        aio = (struct aio_context *) event.data;
+                        /* This is safe as we've just a pointer here. */
+                        aio = (struct aio_context *) (long) event.data;
                        if(update_aio(aio, event.res)){
                                do_aio(ctx, aio);
                                continue;
@@ -313,15 +316,16 @@ static int init_aio_26(void)
        int err;
        if(io_setup(256, &ctx)){
+                err = -errno;
                printk("aio_thread failed to initialize context, err = %d\n",
                       errno);
-                return -errno;
+                return err;
        }
        err = run_helper_thread(aio_thread, NULL,
                                CLONE_FILES | CLONE_VM | SIGCHLD, &stack, 0);
        if(err < 0)
-                return -errno;
+                return err;
        aio_pid = err;
diff --git a/arch/um/os-Linux/drivers/tuntap_user.c b/arch/um/os-Linux/drivers/tuntap_user.c
index 4b83c6c3f48d..4ba9b17adf13 100644
--- a/arch/um/os-Linux/drivers/tuntap_user.c
+++ b/arch/um/os-Linux/drivers/tuntap_user.c
@@ -75,7 +75,7 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote,
        struct msghdr msg;
        struct cmsghdr *cmsg;
        struct iovec iov;
-        int pid, n;
+        int pid, n, err;
        sprintf(version_buf, "%d", UML_NET_VERSION);
@@ -105,9 +105,10 @@ static int tuntap_open_tramp(char *gate, int *fd_out, int me, int remote,
        n = recvmsg(me, &msg, 0);
        *used_out = n;
        if(n < 0){
+                err = -errno;
                printk("tuntap_open_tramp : recvmsg failed - errno = %d\n", 
                       errno);
-                return(-errno);
+                return err;
        }
        CATCH_EINTR(waitpid(pid, NULL, 0));
@@ -147,9 +148,10 @@ static int tuntap_open(void *data)
                ifr.ifr_flags = IFF_TAP | IFF_NO_PI;
                strlcpy(ifr.ifr_name, pri->dev_name, sizeof(ifr.ifr_name));
                if(ioctl(pri->fd, TUNSETIFF, (void *) &ifr) < 0){
+                        err = -errno;
                        printk("TUNSETIFF failed, errno = %d\n", errno);
                        os_close_file(pri->fd);
-                        return(-errno);
+                        return err;
                }
        }
        else {
diff --git a/arch/um/os-Linux/elf_aux.c b/arch/um/os-Linux/elf_aux.c
index 1399520a8588..ab33cb3c74ec 100644
--- a/arch/um/os-Linux/elf_aux.c
+++ b/arch/um/os-Linux/elf_aux.c
@@ -14,7 +14,8 @@
 #include "mem_user.h"
 #include <kernel-offsets.h>
-#if HOST_ELF_CLASS == ELFCLASS32
+/* Use the one from the kernel - the host may miss it, if having old headers. */
+#if UM_ELF_CLASS == UM_ELFCLASS32
 typedef Elf32_auxv_t elf_auxv_t;
 #else
 typedef Elf64_auxv_t elf_auxv_t;
@@ -54,7 +55,8 @@ __init void scan_elf_aux( char **envp)
                                 * a_un, so we have to use a_val, which is
                                 * all that's left.
                                 */
-                                elf_aux_platform = (char *) auxv->a_un.a_val;
+                                elf_aux_platform =
+                                        (char *) (long) 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 fd45bb260907..f55773c819e6 100644
--- a/arch/um/os-Linux/file.c
+++ b/arch/um/os-Linux/file.c
@@ -119,15 +119,11 @@ int os_window_size(int fd, int *rows, int *cols)
 int os_new_tty_pgrp(int fd, int pid)
 {
-        if(ioctl(fd, TIOCSCTTY, 0) < 0){
+        if(ioctl(fd, TIOCSCTTY, 0) < 0)
-                printk("TIOCSCTTY failed, errno = %d\n", errno);
+                return -errno;
-                return(-errno);
-        }
-        if(tcsetpgrp(fd, pid) < 0){
+        if(tcsetpgrp(fd, pid) < 0)
-                printk("tcsetpgrp failed, errno = %d\n", errno);
+                return -errno;
-                return(-errno);
-        }
        return(0);
 }
@@ -146,18 +142,12 @@ int os_set_slip(int fd)
        int disc, sencap;
        disc = N_SLIP;
-        if(ioctl(fd, TIOCSETD, &disc) < 0){
+        if(ioctl(fd, TIOCSETD, &disc) < 0)
-                printk("Failed to set slip line discipline - "
+                return -errno;
-                       "errno = %d\n", errno);
-                return(-errno);
-        }
        sencap = 0;
-        if(ioctl(fd, SIOCSIFENCAP, &sencap) < 0){
+        if(ioctl(fd, SIOCSIFENCAP, &sencap) < 0)
-                printk("Failed to set slip encapsulation - "
+                return -errno;
-                       "errno = %d\n", errno);
-                return(-errno);
-        }
        return(0);
 }
@@ -180,22 +170,15 @@ int os_sigio_async(int master, int slave)
        int flags;
        flags = fcntl(master, F_GETFL);
-        if(flags < 0) {
+        if(flags < 0)
-                printk("fcntl F_GETFL failed, errno = %d\n", errno);
+                return errno;
-                return(-errno);
-        }
        if((fcntl(master, F_SETFL, flags | O_NONBLOCK | O_ASYNC) < 0) ||
-           (fcntl(master, F_SETOWN, os_getpid()) < 0)){
+           (fcntl(master, F_SETOWN, os_getpid()) < 0))
-                printk("fcntl F_SETFL or F_SETOWN failed, errno = %d\n",
+                return -errno;
-                       errno);
-                return(-errno);
-        }
-        if((fcntl(slave, F_SETFL, flags | O_NONBLOCK) < 0)){
+        if((fcntl(slave, F_SETFL, flags | O_NONBLOCK) < 0))
-                printk("fcntl F_SETFL failed, errno = %d\n", errno);
+                return -errno;
-                return(-errno);
-        }
        return(0);
 }
@@ -255,7 +238,7 @@ int os_file_mode(char *file, struct openflags *mode_out)
 int os_open_file(char *file, struct openflags flags, int mode)
 {
-        int fd, f = 0;
+        int fd, err, f = 0;
        if(flags.r && flags.w) f = O_RDWR;
        else if(flags.r) f = O_RDONLY;
@@ -272,8 +255,9 @@ int os_open_file(char *file, struct openflags flags, int mode)
                return(-errno);
        if(flags.cl && fcntl(fd, F_SETFD, 1)){
+                err = -errno;
                os_close_file(fd);
-                return(-errno);
+                return err;
        }
        return(fd);
@@ -383,9 +367,9 @@ int os_file_size(char *file, unsigned long long *size_out)
                        return(fd);
                }
                if(ioctl(fd, BLKGETSIZE, &blocks) < 0){
+                        err = -errno;
                        printk("Couldn't get the block size of \"%s\", "
                               "errno = %d\n", file, errno);
-                        err = -errno;
                        os_close_file(fd);
                        return(err);
                }
@@ -473,11 +457,14 @@ int os_pipe(int *fds, int stream, int close_on_exec)
 int os_set_fd_async(int fd, int owner)
 {
+        int err;
        /* XXX This should do F_GETFL first */
        if(fcntl(fd, F_SETFL, O_ASYNC | O_NONBLOCK) < 0){
+                err = -errno;
                printk("os_set_fd_async : failed to set O_ASYNC and "
                       "O_NONBLOCK on fd # %d, errno = %d\n", fd, errno);
-                return(-errno);
+                return err;
        }
 #ifdef notdef
        if(fcntl(fd, F_SETFD, 1) < 0){
@@ -488,10 +475,11 @@ int os_set_fd_async(int fd, int owner)
        if((fcntl(fd, F_SETSIG, SIGIO) < 0) ||
           (fcntl(fd, F_SETOWN, owner) < 0)){
+                err = -errno;
                printk("os_set_fd_async : Failed to fcntl F_SETOWN "
                       "(or F_SETSIG) fd %d to pid %d, errno = %d\n", fd, 
                       owner, errno);
-                return(-errno);
+                return err;
        }
        return(0);
@@ -516,11 +504,9 @@ int os_set_fd_block(int fd, int blocking)
        if(blocking) flags &= ~O_NONBLOCK;
        else flags |= O_NONBLOCK;
-        if(fcntl(fd, F_SETFL, flags) < 0){
+        if(fcntl(fd, F_SETFL, flags) < 0)
-                printk("Failed to change blocking on fd # %d, errno = %d\n",
+                return -errno;
-                       fd, errno);
-                return(-errno);
-        }
        return(0);
 }
@@ -609,11 +595,8 @@ int os_create_unix_socket(char *file, int len, int close_on_exec)
        int sock, err;
        sock = socket(PF_UNIX, SOCK_DGRAM, 0);
-        if (sock < 0){
+        if(sock < 0)
-                printk("create_unix_socket - socket failed, errno = %d\n",
+                return -errno;
-                       errno);
-                return(-errno);
-        }
        if(close_on_exec) {
                err = os_set_exec_close(sock, 1);
@@ -628,11 +611,8 @@ int os_create_unix_socket(char *file, int len, int close_on_exec)
        snprintf(addr.sun_path, len, "%s", file);
        err = bind(sock, (struct sockaddr *) &addr, sizeof(addr));
-        if (err < 0){
+        if(err < 0)
-                printk("create_listening_socket at '%s' - bind failed, "
+                return -errno;
-                       "errno = %d\n", file, errno);
-                return(-errno);
-        }
        return(sock);
 }
diff --git a/arch/um/os-Linux/mem.c b/arch/um/os-Linux/mem.c
new file mode 100644
index 000000000000..8e71edaaf80b
--- /dev/null
+++ b/arch/um/os-Linux/mem.c
@@ -0,0 +1,161 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+#include <fcntl.h>
+#include <sys/types.h>
+#include <sys/mman.h>
+#include "kern_util.h"
+#include "user.h"
+#include "user_util.h"
+#include "mem_user.h"
+#include "init.h"
+#include "os.h"
+#include "tempfile.h"
+#include "kern_constants.h"
+#include <sys/param.h>
+static char *tempdir = NULL;
+static void __init find_tempdir(void)
+{
+        char *dirs[] = { "TMP", "TEMP", "TMPDIR", NULL };
+        int i;
+        char *dir = NULL;
+        if(tempdir != NULL) return;     /* We've already been called */
+        for(i = 0; dirs[i]; i++){
+                dir = getenv(dirs[i]);
+                if((dir != NULL) && (*dir != '\0'))
+                        break;
+        }
+        if((dir == NULL) || (*dir == '\0'))
+                dir = "/tmp";
+        tempdir = malloc(strlen(dir) + 2);
+        if(tempdir == NULL){
+                fprintf(stderr, "Failed to malloc tempdir, "
+                        "errno = %d\n", errno);
+                return;
+        }
+        strcpy(tempdir, dir);
+        strcat(tempdir, "/");
+}
+/*
+ * This proc still used in tt-mode
+ * (file: kernel/tt/ptproxy/proxy.c, proc: start_debugger).
+ * So it isn't 'static' yet.
+ */
+int make_tempfile(const char *template, char **out_tempname, int do_unlink)
+{
+        char tempname[MAXPATHLEN];
+        int fd;
+        find_tempdir();
+        if (*template != '/')
+                strcpy(tempname, tempdir);
+        else
+                *tempname = 0;
+        strcat(tempname, template);
+        fd = mkstemp(tempname);
+        if(fd < 0){
+                fprintf(stderr, "open - cannot create %s: %s\n", tempname,
+                        strerror(errno));
+                return -1;
+        }
+        if(do_unlink && (unlink(tempname) < 0)){
+                perror("unlink");
+                return -1;
+        }
+        if(out_tempname){
+                *out_tempname = strdup(tempname);
+                if(*out_tempname == NULL){
+                        perror("strdup");
+                        return -1;
+                }
+        }
+        return(fd);
+}
+#define TEMPNAME_TEMPLATE "vm_file-XXXXXX"
+/*
+ * This proc is used in start_up.c
+ * So it isn't 'static'.
+ */
+int create_tmp_file(unsigned long len)
+{
+        int fd, err;
+        char zero;
+        fd = make_tempfile(TEMPNAME_TEMPLATE, NULL, 1);
+        if(fd < 0) {
+                exit(1);
+        }
+        err = fchmod(fd, 0777);
+        if(err < 0){
+                perror("os_mode_fd");
+                exit(1);
+        }
+        if (lseek64(fd, len, SEEK_SET) < 0) {
+                perror("os_seek_file");
+                exit(1);
+        }
+        zero = 0;
+        err = os_write_file(fd, &zero, 1);
+        if(err != 1){
+                errno = -err;
+                perror("os_write_file");
+                exit(1);
+        }
+        return(fd);
+}
+static int create_anon_file(unsigned long len)
+{
+        void *addr;
+        int fd;
+        fd = open("/dev/anon", O_RDWR);
+        if(fd < 0) {
+                perror("opening /dev/anon");
+                exit(1);
+        }
+        addr = mmap(NULL, len, PROT_READ | PROT_WRITE, MAP_PRIVATE, fd, 0);
+        if(addr == MAP_FAILED){
+                perror("mapping physmem file");
+                exit(1);
+        }
+        munmap(addr, len);
+        return(fd);
+}
+extern int have_devanon;
+int create_mem_file(unsigned long len)
+{
+        int err, fd;
+        if(have_devanon)
+                fd = create_anon_file(len);
+        else fd = create_tmp_file(len);
+        err = os_set_exec_close(fd, 1);
+        if(err < 0){
+                errno = -err;
+                perror("exec_close");
+        }
+        return(fd);
+}
diff --git a/arch/um/os-Linux/process.c b/arch/um/os-Linux/process.c
index d32413e4b4ce..d9c52387c4a1 100644
--- a/arch/um/os-Linux/process.c
+++ b/arch/um/os-Linux/process.c
@@ -3,6 +3,7 @@
 * Licensed under the GPL
 */
+#include <unistd.h>
 #include <stdio.h>
 #include <errno.h>
 #include <signal.h>
diff --git a/arch/um/os-Linux/start_up.c b/arch/um/os-Linux/start_up.c
index 040cc1472bc7..6af83171ca4e 100644
--- a/arch/um/os-Linux/start_up.c
+++ b/arch/um/os-Linux/start_up.c
@@ -4,18 +4,22 @@
 */
 #include <stdio.h>
+#include <stddef.h>
+#include <stdarg.h>
+#include <stdlib.h>
+#include <string.h>
 #include <unistd.h>
 #include <signal.h>
 #include <sched.h>
+#include <fcntl.h>
 #include <errno.h>
-#include <stdarg.h>
-#include <stdlib.h>
 #include <setjmp.h>
 #include <sys/time.h>
 #include <sys/wait.h>
 #include <sys/mman.h>
 #include <asm/unistd.h>
 #include <asm/page.h>
+#include <sys/types.h>
 #include "user_util.h"
 #include "kern_util.h"
 #include "user.h"
@@ -25,6 +29,7 @@
 #include "sysdep/sigcontext.h"
 #include "irq_user.h"
 #include "ptrace_user.h"
+#include "mem_user.h"
 #include "time_user.h"
 #include "init.h"
 #include "os.h"
@@ -32,6 +37,8 @@
 #include "choose-mode.h"
 #include "mode.h"
 #include "tempfile.h"
+#include "kern_constants.h"
 #ifdef UML_CONFIG_MODE_SKAS
 #include "skas.h"
 #include "skas_ptrace.h"
@@ -276,9 +283,38 @@ static void __init check_ptrace(void)
        check_sysemu();
 }
+extern int create_tmp_file(unsigned long len);
+static void check_tmpexec(void)
+{
+        void *addr;
+        int err, fd = create_tmp_file(UM_KERN_PAGE_SIZE);
+        addr = mmap(NULL, UM_KERN_PAGE_SIZE,
+                    PROT_READ | PROT_WRITE | PROT_EXEC, MAP_PRIVATE, fd, 0);
+        printf("Checking PROT_EXEC mmap in /tmp...");
+        fflush(stdout);
+        if(addr == MAP_FAILED){
+                err = errno;
+                perror("failed");
+                if(err == EPERM)
+                        printf("/tmp must be not mounted noexec\n");
+                exit(1);
+        }
+        printf("OK\n");
+        munmap(addr, UM_KERN_PAGE_SIZE);
+        close(fd);
+}
 void os_early_checks(void)
 {
        check_ptrace();
+        /* Need to check this early because mmapping happens before the
+         * kernel is running.
+         */
+        check_tmpexec();
 }
 static int __init noprocmm_cmd_param(char *str, int* add)
@@ -357,3 +393,72 @@ int can_do_skas(void)
        return(0);
 }
 #endif
+int have_devanon = 0;
+void check_devanon(void)
+{
+        int fd;
+        printk("Checking for /dev/anon on the host...");
+        fd = open("/dev/anon", O_RDWR);
+        if(fd < 0){
+                printk("Not available (open failed with errno %d)\n", errno);
+                return;
+        }
+        printk("OK\n");
+        have_devanon = 1;
+}
+int __init parse_iomem(char *str, int *add)
+{
+        struct iomem_region *new;
+        struct uml_stat buf;
+        char *file, *driver;
+        int fd, err, size;
+        driver = str;
+        file = strchr(str,',');
+        if(file == NULL){
+                printf("parse_iomem : failed to parse iomem\n");
+                goto out;
+        }
+        *file = '\0';
+        file++;
+        fd = os_open_file(file, of_rdwr(OPENFLAGS()), 0);
+        if(fd < 0){
+                os_print_error(fd, "parse_iomem - Couldn't open io file");
+                goto out;
+        }
+        err = os_stat_fd(fd, &buf);
+        if(err < 0){
+                os_print_error(err, "parse_iomem - cannot stat_fd file");
+                goto out_close;
+        }
+        new = malloc(sizeof(*new));
+        if(new == NULL){
+                perror("Couldn't allocate iomem_region struct");
+                goto out_close;
+        }
+        size = (buf.ust_size + UM_KERN_PAGE_SIZE) & ~(UM_KERN_PAGE_SIZE - 1);
+        *new = ((struct iomem_region) { .next           = iomem_regions,
+                                        .driver         = driver,
+                                        .fd             = fd,
+                                        .size           = size,
+                                        .phys           = 0,
+                                        .virt           = 0 });
+        iomem_regions = new;
+        iomem_size += new->size + UM_KERN_PAGE_SIZE;
+        return(0);
+ out_close:
+        os_close_file(fd);
+ out:
+        return(1);
+}
diff --git a/arch/um/os-Linux/tt.c b/arch/um/os-Linux/tt.c
index 5b047ab8416a..a6db8877931a 100644
--- a/arch/um/os-Linux/tt.c
+++ b/arch/um/os-Linux/tt.c
@@ -36,6 +36,20 @@
 #include "mode.h"
 #include "tempfile.h"
+int protect_memory(unsigned long addr, unsigned long len, int r, int w, int x,
+                   int must_succeed)
+{
+        int err;
+        err = os_protect_memory((void *) addr, len, r, w, x);
+        if(err < 0){
+                if(must_succeed)
+                        panic("protect failed, err = %d", -err);
+                else return(err);
+        }
+        return(0);
+}
 /*
 *-------------------------
 * only for tt mode (will be deleted in future...)
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
index bd3c34aa52e5..36b5c2c13289 100644
--- a/arch/um/sys-i386/ldt.c
+++ b/arch/um/sys-i386/ldt.c
@@ -83,6 +83,7 @@ int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)
                        goto out;
                }
                p = buf;
+                break;
        default:
                res = -ENOSYS;
                goto out;
diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index e63323e03ea9..21afa69a086d 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -277,11 +277,6 @@ source "mm/Kconfig"
 config HAVE_ARCH_EARLY_PFN_TO_NID
        def_bool y
-config HAVE_DEC_LOCK
-        bool
-        depends on SMP
-        default y
 config NR_CPUS
        int "Maximum number of CPUs (2-256)"
        range 2 256
@@ -313,7 +308,7 @@ config HPET_TIMER
          present.  The HPET provides a stable time base on SMP
          systems, unlike the TSC, but it is more expensive to access,
          as it is off-chip.  You can find the HPET spec at
-          <http://www.intel.com/labs/platcomp/hpet/hpetspec.htm>.
+          <http://www.intel.com/hardwaredesign/hpetspec.htm>.
 config X86_PM_TIMER
        bool "PM timer"
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index c8131f342cfc..d9161e395978 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -353,11 +353,6 @@ int setup_arg_pages(struct linux_binprm *bprm, unsigned long stack_top, int exec
        mpnt = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
        if (!mpnt) 
                return -ENOMEM; 
-        
-        if (security_vm_enough_memory((IA32_STACK_TOP - (PAGE_MASK & (unsigned long) bprm->p))>>PAGE_SHIFT)) {
-                kmem_cache_free(vm_area_cachep, mpnt);
-                return -ENOMEM;
-        }
        memset(mpnt, 0, sizeof(*mpnt));
diff --git a/arch/x86_64/ia32/syscall32.c b/arch/x86_64/ia32/syscall32.c
index adbc5f8089e9..3a01329473ab 100644
--- a/arch/x86_64/ia32/syscall32.c
+++ b/arch/x86_64/ia32/syscall32.c
@@ -52,17 +52,13 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
        vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
        if (!vma)
                return -ENOMEM;
-        if (security_vm_enough_memory(npages)) {
-                kmem_cache_free(vm_area_cachep, vma);
-                return -ENOMEM;
-        }
        memset(vma, 0, sizeof(struct vm_area_struct));
        /* Could randomize here */
        vma->vm_start = VSYSCALL32_BASE;
        vma->vm_end = VSYSCALL32_END;
        /* MAYWRITE to allow gdb to COW and set breakpoints */
-        vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYEXEC|VM_MAYWRITE;
+        vma->vm_flags = VM_READ|VM_EXEC|VM_MAYREAD|VM_MAYEXEC|VM_MAYWRITE;
        vma->vm_flags |= mm->def_flags;
        vma->vm_page_prot = protection_map[vma->vm_flags & 7];
        vma->vm_ops = &syscall32_vm_ops;
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index eb7929eea7b3..ab3f87aaff70 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -17,6 +17,8 @@
 #include <linux/ioport.h>
 #include <linux/string.h>
 #include <linux/kexec.h>
+#include <linux/module.h>
 #include <asm/page.h>
 #include <asm/e820.h>
 #include <asm/proto.h>
@@ -28,6 +30,7 @@ extern char _end[];
 * PFN of last memory page.
 */
 unsigned long end_pfn; 
+EXPORT_SYMBOL(end_pfn);
 /* 
 * end_pfn only includes RAM, while end_pfn_map includes all e820 entries.
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index 522944a000ad..c8eee20cd519 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -299,15 +299,6 @@ void __init check_ioapic(void)
 #endif
                                        /* RED-PEN skip them on mptables too? */
                                        return;
-                                case PCI_VENDOR_ID_ATI:
-                                        /* All timer interrupts on atiixp
-                                           are doubled. Disable one. */
-                                        if (disable_timer_pin_1 == 0) {
-                                                disable_timer_pin_1 = 1;
-                                                printk(KERN_INFO
-                "ATI board detected. Disabling timer pin 1.\n");
-                                        }
-                                        return;
                                } 
                                /* No multi-function device? */
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c
index 969365c0771b..08203b07f4bd 100644
--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -217,7 +217,7 @@ void do_machine_check(struct pt_regs * regs, long error_code)
                        panicm_found = 1;
                }
-                tainted |= TAINT_MACHINE_CHECK;
+                add_taint(TAINT_MACHINE_CHECK);
        }
        /* Never do anything final in the polling timer */
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index 4388b8a5bae7..39d445e16f22 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -366,7 +366,7 @@ static void setup_k7_watchdog(void)
                | K7_NMI_EVENT;
        wrmsr(MSR_K7_EVNTSEL0, evntsel, 0);
-        wrmsr(MSR_K7_PERFCTR0, -(cpu_khz/nmi_hz*1000), -1);
+        wrmsrl(MSR_K7_PERFCTR0, -((u64)cpu_khz * 1000 / nmi_hz));
        apic_write(APIC_LVTPC, APIC_DM_NMI);
        evntsel |= K7_EVNTSEL_ENABLE;
        wrmsr(MSR_K7_EVNTSEL0, evntsel, 0);
@@ -407,8 +407,8 @@ static int setup_p4_watchdog(void)
        wrmsr(MSR_P4_CRU_ESCR0, P4_NMI_CRU_ESCR0, 0);
        wrmsr(MSR_P4_IQ_CCCR0, P4_NMI_IQ_CCCR0 & ~P4_CCCR_ENABLE, 0);
-        Dprintk("setting P4_IQ_COUNTER0 to 0x%08lx\n", -(cpu_khz/nmi_hz*1000));
+        Dprintk("setting P4_IQ_COUNTER0 to 0x%08lx\n", -(cpu_khz * 1000UL / nmi_hz));
-        wrmsr(MSR_P4_IQ_COUNTER0, -(cpu_khz/nmi_hz*1000), -1);
+        wrmsrl(MSR_P4_IQ_COUNTER0, -((u64)cpu_khz * 1000 / nmi_hz));
        apic_write(APIC_LVTPC, APIC_DM_NMI);
        wrmsr(MSR_P4_IQ_CCCR0, nmi_p4_cccr_val, 0);
        return 1;
@@ -506,7 +506,7 @@ void nmi_watchdog_tick (struct pt_regs * regs, unsigned reason)
                        wrmsr(MSR_P4_IQ_CCCR0, nmi_p4_cccr_val, 0);
                        apic_write(APIC_LVTPC, APIC_DM_NMI);
                }
-                wrmsr(nmi_perfctr_msr, -(cpu_khz/nmi_hz*1000), -1);
+                wrmsrl(nmi_perfctr_msr, -((u64)cpu_khz * 1000 / nmi_hz));
        }
 }
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 351d8d64c2fb..238f73e1a834 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -831,11 +831,26 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 #endif
 }
+#define HWCR 0xc0010015
 static int __init init_amd(struct cpuinfo_x86 *c)
 {
        int r;
        int level;
+#ifdef CONFIG_SMP
+        unsigned long value;
+        // Disable TLB flush filter by setting HWCR.FFDIS:
+        // bit 6 of msr C001_0015
+        //
+        // Errata 63 for SH-B3 steppings
+        // Errata 122 for all(?) steppings
+        rdmsrl(HWCR, value);
+        value |= 1 << 6;
+        wrmsrl(HWCR, value);
+#endif
        /* Bit 31 in normal CPUID used for nonstandard 3DNow ID;
           3DNow is IDd by bit 31 in extended CPUID (1*32+31) anyway */
        clear_bit(0*32+31, &c->x86_capability);
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index 68ec03070e5a..fd99ddd009bc 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -178,10 +178,6 @@ EXPORT_SYMBOL(rwsem_down_write_failed_thunk);
 EXPORT_SYMBOL(empty_zero_page);
-#ifdef CONFIG_HAVE_DEC_LOCK
-EXPORT_SYMBOL(_atomic_dec_and_lock);
-#endif
 EXPORT_SYMBOL(die_chain);
 EXPORT_SYMBOL(register_die_notifier);
diff --git a/arch/x86_64/lib/Makefile b/arch/x86_64/lib/Makefile
index 6b26a1c1e9ff..bba5db6cebd6 100644
--- a/arch/x86_64/lib/Makefile
+++ b/arch/x86_64/lib/Makefile
@@ -10,5 +10,3 @@ lib-y := csum-partial.o csum-copy.o csum-wrappers.o delay.o \
        usercopy.o getuser.o putuser.o  \
        thunk.o clear_page.o copy_page.o bitstr.o bitops.o
 lib-y += memcpy.o memmove.o memset.o copy_user.o
-lib-$(CONFIG_HAVE_DEC_LOCK) += dec_and_lock.o
diff --git a/arch/x86_64/lib/dec_and_lock.c b/arch/x86_64/lib/dec_and_lock.c
deleted file mode 100644
index ab43394dc775..000000000000
--- a/arch/x86_64/lib/dec_and_lock.c
+++ /dev/null
@@ -1,40 +0,0 @@
-/*
- * x86 version of "atomic_dec_and_lock()" using
- * the atomic "cmpxchg" instruction.
- *
- * (For CPU's lacking cmpxchg, we use the slow
- * generic version, and this one never even gets
- * compiled).
- */
-#include <linux/spinlock.h>
-#include <asm/atomic.h>
-int _atomic_dec_and_lock(atomic_t *atomic, spinlock_t *lock)
-{
-        int counter;
-        int newcount;
-repeat:
-        counter = atomic_read(atomic);
-        newcount = counter-1;
-        if (!newcount)
-                goto slow_path;
-        asm volatile("lock; cmpxchgl %1,%2"
-                :"=a" (newcount)
-                :"r" (newcount), "m" (atomic->counter), "0" (counter));
-        /* If the above failed, "eax" will have changed */
-        if (newcount != counter)
-                goto repeat;
-        return 0;
-slow_path:
-        spin_lock(lock);
-        if (atomic_dec_and_test(atomic))
-                return 1;
-        spin_unlock(lock);
-        return 0;
-}
diff --git a/arch/xtensa/Kconfig b/arch/xtensa/Kconfig
index 2b6257bec4c3..7e841aa2a4aa 100644
--- a/arch/xtensa/Kconfig
+++ b/arch/xtensa/Kconfig
@@ -26,10 +26,6 @@ config RWSEM_XCHGADD_ALGORITHM
        bool
        default y
-config HAVE_DEC_LOCK
-        bool
-        default y
 config GENERIC_HARDIRQS
        bool
        default y
diff --git a/arch/xtensa/kernel/pci.c b/arch/xtensa/kernel/pci.c
index 09887c96e9a1..de19501aa809 100644
--- a/arch/xtensa/kernel/pci.c
+++ b/arch/xtensa/kernel/pci.c
@@ -402,8 +402,8 @@ int pci_mmap_page_range(struct pci_dev *dev, struct vm_area_struct *vma,
        __pci_mmap_set_flags(dev, vma, mmap_state);
        __pci_mmap_set_pgprot(dev, vma, mmap_state, write_combine);
-        ret = io_remap_page_range(vma, vma->vm_start, vma->vm_pgoff<<PAGE_SHIFT,
+        ret = io_remap_pfn_range(vma, vma->vm_start, vma->vm_pgoff,
-                               vma->vm_end - vma->vm_start, vma->vm_page_prot);
+                                 vma->vm_end - vma->vm_start,vma->vm_page_prot);
        return ret;
 }
diff --git a/arch/xtensa/kernel/platform.c b/arch/xtensa/kernel/platform.c
index cf1362784443..03674daabc66 100644
--- a/arch/xtensa/kernel/platform.c
+++ b/arch/xtensa/kernel/platform.c
@@ -39,7 +39,7 @@ _F(int,  pcibios_fixup, (void), { return 0; });
 _F(int, get_rtc_time, (time_t* t), { return 0; });
 _F(int, set_rtc_time, (time_t t), { return 0; });
-#if CONFIG_XTENSA_CALIBRATE_CCOUNT
+#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
 _F(void, calibrate_ccount, (void),
 {
  printk ("ERROR: Cannot calibrate cpu frequency! Assuming 100MHz.\n");
diff --git a/arch/xtensa/kernel/process.c b/arch/xtensa/kernel/process.c
index c83bb0d41787..08ef6d82ee51 100644
--- a/arch/xtensa/kernel/process.c
+++ b/arch/xtensa/kernel/process.c
@@ -457,7 +457,7 @@ int
 dump_task_fpu(struct pt_regs *regs, struct task_struct *task, elf_fpregset_t *r)
 {
 /* see asm/coprocessor.h for this magic number 16 */
-#if TOTAL_CPEXTRA_SIZE > 16
+#if XTENSA_CP_EXTRA_SIZE > 16
        do_save_fpregs (r, regs, task);
        /*  For now, bit 16 means some extra state may be present:  */
diff --git a/arch/xtensa/kernel/setup.c b/arch/xtensa/kernel/setup.c
index 1f5bf5d624e4..513ed8d67766 100644
--- a/arch/xtensa/kernel/setup.c
+++ b/arch/xtensa/kernel/setup.c
@@ -304,7 +304,7 @@ void __init setup_arch(char **cmdline_p)
 # endif
 #endif
-#if CONFIG_PCI
+#ifdef CONFIG_PCI
        platform_pcibios_init();
 #endif
 }
diff --git a/arch/xtensa/kernel/signal.c b/arch/xtensa/kernel/signal.c
index dc42cede9394..e252b61e45a5 100644
--- a/arch/xtensa/kernel/signal.c
+++ b/arch/xtensa/kernel/signal.c
@@ -182,7 +182,7 @@ restore_cpextra (struct _cpstate *buf)
        struct task_struct *tsk = current;
        release_all_cp(tsk);
-        return __copy_from_user(tsk->thread.cpextra, buf, TOTAL_CPEXTRA_SIZE);
+        return __copy_from_user(tsk->thread.cpextra, buf, XTENSA_CP_EXTRA_SIZE);
 #endif
        return 0;
 }
diff --git a/arch/xtensa/kernel/time.c b/arch/xtensa/kernel/time.c
index 1ac7d5ce7456..8e423d1335ce 100644
--- a/arch/xtensa/kernel/time.c
+++ b/arch/xtensa/kernel/time.c
@@ -68,7 +68,7 @@ void __init time_init(void)
         * speed for the CALIBRATE.
         */
-#if CONFIG_XTENSA_CALIBRATE_CCOUNT
+#ifdef CONFIG_XTENSA_CALIBRATE_CCOUNT
        printk("Calibrating CPU frequency ");
        platform_calibrate_ccount();
        printk("%d.%02d MHz\n", (int)ccount_per_jiffy/(1000000/HZ),
diff --git a/arch/xtensa/mm/init.c b/arch/xtensa/mm/init.c
index 56aace84aaeb..5a91d6c9e66d 100644
--- a/arch/xtensa/mm/init.c
+++ b/arch/xtensa/mm/init.c
@@ -239,7 +239,7 @@ void __init mem_init(void)
        high_memory = (void *) __va(max_mapnr << PAGE_SHIFT);
        highmemsize = 0;
-#if CONFIG_HIGHMEM
+#ifdef CONFIG_HIGHMEM
 #error HIGHGMEM not implemented in init.c
 #endif