7 files changed, 186 insertions, 134 deletions

diff --git a/arch/powerpc/configs/pasemi_defconfig b/arch/powerpc/configs/pasemi_defconfig
index 797f0dfebde2..09f306248f2e 100644
--- a/arch/powerpc/configs/pasemi_defconfig
+++ b/arch/powerpc/configs/pasemi_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.24-rc6
-# Tue Jan 15 10:26:10 2008
+# Linux kernel version: 2.6.25-rc6
+# Tue Mar 25 10:25:48 2008
 #
 CONFIG_PPC64=y
 
@@ -27,6 +27,7 @@ CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_TIME_VSYSCALL=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_HARDIRQS=y
+CONFIG_HAVE_SETUP_PER_CPU_AREA=y
 CONFIG_IRQ_PER_CPU=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
 CONFIG_ARCH_HAS_ILOG2_U32=y
@@ -67,17 +68,19 @@ CONFIG_SYSVIPC_SYSCTL=y
 # CONFIG_POSIX_MQUEUE is not set
 # CONFIG_BSD_PROCESS_ACCT is not set
 # CONFIG_TASKSTATS is not set
-# CONFIG_USER_NS is not set
-# CONFIG_PID_NS is not set
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_LOG_BUF_SHIFT=17
 # CONFIG_CGROUPS is not set
-CONFIG_FAIR_GROUP_SCHED=y
-CONFIG_FAIR_USER_SCHED=y
-# CONFIG_FAIR_CGROUP_SCHED is not set
+# CONFIG_GROUP_SCHED is not set
 CONFIG_SYSFS_DEPRECATED=y
+CONFIG_SYSFS_DEPRECATED_V2=y
 # CONFIG_RELAY is not set
+CONFIG_NAMESPACES=y
+# CONFIG_UTS_NS is not set
+# CONFIG_IPC_NS is not set
+# CONFIG_USER_NS is not set
+# CONFIG_PID_NS is not set
 CONFIG_BLK_DEV_INITRD=y
 CONFIG_INITRAMFS_SOURCE=""
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -91,11 +94,13 @@ CONFIG_HOTPLUG=y
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_COMPAT_BRK=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_ANON_INODES=y
 CONFIG_EPOLL=y
 CONFIG_SIGNALFD=y
+CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_SHMEM=y
 CONFIG_VM_EVENT_COUNTERS=y
@@ -103,6 +108,15 @@ CONFIG_SLUB_DEBUG=y
 # CONFIG_SLAB is not set
 CONFIG_SLUB=y
 # CONFIG_SLOB is not set
+CONFIG_PROFILING=y
+# CONFIG_MARKERS is not set
+CONFIG_OPROFILE=y
+CONFIG_HAVE_OPROFILE=y
+# CONFIG_KPROBES is not set
+CONFIG_HAVE_KPROBES=y
+CONFIG_HAVE_KRETPROBES=y
+CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
@@ -130,6 +144,7 @@ CONFIG_DEFAULT_AS=y
 # CONFIG_DEFAULT_CFQ is not set
 # CONFIG_DEFAULT_NOOP is not set
 CONFIG_DEFAULT_IOSCHED="anticipatory"
+CONFIG_CLASSIC_RCU=y
 
 #
 # Platform support
@@ -140,8 +155,8 @@ CONFIG_PPC_MULTIPLATFORM=y
 # CONFIG_PPC_86xx is not set
 # CONFIG_PPC_PSERIES is not set
 # CONFIG_PPC_ISERIES is not set
-# CONFIG_PPC_MPC52xx is not set
-# CONFIG_PPC_MPC5200 is not set
+# CONFIG_PPC_MPC512x is not set
+# CONFIG_PPC_MPC5121 is not set
 # CONFIG_PPC_PMAC is not set
 # CONFIG_PPC_MAPLE is not set
 CONFIG_PPC_PASEMI=y
@@ -159,6 +174,7 @@ CONFIG_PPC_PASEMI_MDIO=y
 # CONFIG_PPC_IBM_CELL_BLADE is not set
 # CONFIG_PQ2ADS is not set
 CONFIG_PPC_NATIVE=y
+# CONFIG_IPIC is not set
 CONFIG_MPIC=y
 # CONFIG_MPIC_WEIRD is not set
 # CONFIG_PPC_I8259 is not set
@@ -189,7 +205,6 @@ CONFIG_CPU_FREQ_GOV_ONDEMAND=y
 # CPU Frequency drivers
 #
 CONFIG_PPC_PASEMI_CPUFREQ=y
-# CONFIG_CPM2 is not set
 # CONFIG_FSL_ULI1575 is not set
 
 #
@@ -204,16 +219,20 @@ CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 # CONFIG_HZ_300 is not set
 CONFIG_HZ_1000=y
 CONFIG_HZ=1000
+# CONFIG_SCHED_HRTICK is not set
 CONFIG_PREEMPT_NONE=y
 # CONFIG_PREEMPT_VOLUNTARY is not set
 # CONFIG_PREEMPT is not set
-# CONFIG_PREEMPT_BKL is not set
 CONFIG_BINFMT_ELF=y
+CONFIG_COMPAT_BINFMT_ELF=y
 # CONFIG_BINFMT_MISC is not set
 CONFIG_FORCE_MAX_ZONEORDER=9
 CONFIG_HUGETLB_PAGE_SIZE_VARIABLE=y
 CONFIG_IOMMU_VMERGE=y
+CONFIG_IOMMU_HELPER=y
 CONFIG_ARCH_ENABLE_MEMORY_HOTPLUG=y
+CONFIG_ARCH_HAS_WALK_MEMORY=y
+CONFIG_ARCH_ENABLE_MEMORY_HOTREMOVE=y
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
 # CONFIG_IRQ_ALL_CPUS is not set
@@ -236,12 +255,12 @@ CONFIG_ZONE_DMA_FLAG=1
 CONFIG_BOUNCE=y
 CONFIG_PPC_HAS_HASH_64K=y
 CONFIG_PPC_64K_PAGES=y
+# CONFIG_PPC_SUBPAGE_PROT is not set
 # CONFIG_SCHED_SMT is not set
 CONFIG_PROC_DEVICETREE=y
 # CONFIG_CMDLINE_BOOL is not set
 # CONFIG_PM is not set
 # CONFIG_SECCOMP is not set
-# CONFIG_WANT_DEVICE_TREE is not set
 CONFIG_ISA_DMA_API=y
 
 #
@@ -290,6 +309,7 @@ CONFIG_XFRM=y
 CONFIG_XFRM_USER=y
 # CONFIG_XFRM_SUB_POLICY is not set
 # CONFIG_XFRM_MIGRATE is not set
+# CONFIG_XFRM_STATISTICS is not set
 CONFIG_NET_KEY=y
 # CONFIG_NET_KEY_MIGRATE is not set
 CONFIG_INET=y
@@ -346,6 +366,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 #
 # CONFIG_NET_PKTGEN is not set
 # CONFIG_HAMRADIO is not set
+# CONFIG_CAN is not set
 # CONFIG_IRDA is not set
 # CONFIG_BT is not set
 # CONFIG_AF_RXRPC is not set
@@ -441,8 +462,10 @@ CONFIG_MTD_NAND=y
 CONFIG_MTD_NAND_IDS=y
 # CONFIG_MTD_NAND_DISKONCHIP is not set
 # CONFIG_MTD_NAND_CAFE is not set
+CONFIG_MTD_NAND_PASEMI=y
 # CONFIG_MTD_NAND_PLATFORM is not set
 # CONFIG_MTD_ALAUDA is not set
+# CONFIG_MTD_NAND_FSL_ELBC is not set
 # CONFIG_MTD_ONENAND is not set
 
 #
@@ -465,7 +488,7 @@ CONFIG_BLK_DEV_LOOP=y
 CONFIG_BLK_DEV_RAM=y
 CONFIG_BLK_DEV_RAM_COUNT=16
 CONFIG_BLK_DEV_RAM_SIZE=16384
-CONFIG_BLK_DEV_RAM_BLOCKSIZE=1024
+# CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
 CONFIG_MISC_DEVICES=y
@@ -473,11 +496,13 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_EEPROM_93CX6 is not set
 # CONFIG_SGI_IOC4 is not set
 # CONFIG_TIFM_CORE is not set
+# CONFIG_ENCLOSURE_SERVICES is not set
+CONFIG_HAVE_IDE=y
 CONFIG_IDE=y
 CONFIG_BLK_DEV_IDE=y
 
 #
-# Please see Documentation/ide.txt for help/info on IDE drives
+# Please see Documentation/ide/ide.txt for help/info on IDE drives
 #
 # CONFIG_BLK_DEV_IDE_SATA is not set
 CONFIG_BLK_DEV_IDEDISK=y
@@ -485,6 +510,7 @@ CONFIG_IDEDISK_MULTI_MODE=y
 # CONFIG_BLK_DEV_IDECS is not set
 # CONFIG_BLK_DEV_DELKIN is not set
 CONFIG_BLK_DEV_IDECD=y
+CONFIG_BLK_DEV_IDECD_VERBOSE_ERRORS=y
 # CONFIG_BLK_DEV_IDETAPE is not set
 # CONFIG_BLK_DEV_IDEFLOPPY is not set
 CONFIG_BLK_DEV_IDESCSI=y
@@ -500,7 +526,6 @@ CONFIG_IDE_PROC_FS=y
 #
 # PCI IDE chipsets support
 #
-# CONFIG_IDEPCI_PCIBUS_ORDER is not set
 # CONFIG_BLK_DEV_GENERIC is not set
 # CONFIG_BLK_DEV_OPTI621 is not set
 # CONFIG_BLK_DEV_AEC62XX is not set
@@ -528,7 +553,6 @@ CONFIG_IDE_PROC_FS=y
 # CONFIG_BLK_DEV_TRM290 is not set
 # CONFIG_BLK_DEV_VIA82CXXX is not set
 # CONFIG_BLK_DEV_TC86C001 is not set
-# CONFIG_IDE_ARM is not set
 # CONFIG_BLK_DEV_IDEDMA is not set
 CONFIG_IDE_ARCH_OBSOLETE_INIT=y
 # CONFIG_BLK_DEV_HD is not set
@@ -593,6 +617,7 @@ CONFIG_SCSI_LOWLEVEL=y
 # CONFIG_SCSI_IPS is not set
 # CONFIG_SCSI_INITIO is not set
 # CONFIG_SCSI_INIA100 is not set
+# CONFIG_SCSI_MVSAS is not set
 # CONFIG_SCSI_STEX is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
@@ -646,6 +671,7 @@ CONFIG_ATA_GENERIC=y
 # CONFIG_PATA_MPIIX is not set
 # CONFIG_PATA_OLDPIIX is not set
 # CONFIG_PATA_NETCELL is not set
+# CONFIG_PATA_NINJA32 is not set
 # CONFIG_PATA_NS87410 is not set
 # CONFIG_PATA_NS87415 is not set
 # CONFIG_PATA_OPTI is not set
@@ -699,7 +725,6 @@ CONFIG_DUMMY=y
 # CONFIG_EQUALIZER is not set
 # CONFIG_TUN is not set
 # CONFIG_VETH is not set
-# CONFIG_IP1000 is not set
 # CONFIG_ARCNET is not set
 CONFIG_PHYLIB=y
 
@@ -715,6 +740,7 @@ CONFIG_MARVELL_PHY=y
 # CONFIG_SMSC_PHY is not set
 # CONFIG_BROADCOM_PHY is not set
 # CONFIG_ICPLUS_PHY is not set
+# CONFIG_REALTEK_PHY is not set
 # CONFIG_FIXED_PHY is not set
 # CONFIG_MDIO_BITBANG is not set
 CONFIG_NET_ETHERNET=y
@@ -742,6 +768,7 @@ CONFIG_NET_PCI=y
 # CONFIG_NE2K_PCI is not set
 # CONFIG_8139CP is not set
 # CONFIG_8139TOO is not set
+# CONFIG_R6040 is not set
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
 # CONFIG_SUNDANCE is not set
@@ -754,6 +781,9 @@ CONFIG_E1000=y
 CONFIG_E1000_NAPI=y
 # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
 # CONFIG_E1000E is not set
+# CONFIG_E1000E_ENABLED is not set
+# CONFIG_IP1000 is not set
+# CONFIG_IGB is not set
 # CONFIG_NS83820 is not set
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
@@ -779,6 +809,7 @@ CONFIG_NETDEV_10000=y
 CONFIG_PASEMI_MAC=y
 # CONFIG_MLX4_CORE is not set
 # CONFIG_TEHUTI is not set
+# CONFIG_BNX2X is not set
 # CONFIG_TR is not set
 
 #
@@ -802,7 +833,6 @@ CONFIG_PASEMI_MAC=y
 # CONFIG_PPP is not set
 # CONFIG_SLIP is not set
 # CONFIG_NET_FC 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
@@ -861,6 +891,7 @@ CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 # CONFIG_VT_HW_CONSOLE_BINDING is not set
 # CONFIG_SERIAL_NONSTANDARD is not set
+# CONFIG_NOZOMI is not set
 
 #
 # Serial drivers
@@ -886,8 +917,7 @@ CONFIG_LEGACY_PTY_COUNT=4
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_PASEMI=y
-CONFIG_GEN_RTC=y
-CONFIG_GEN_RTC_X=y
+# CONFIG_GEN_RTC is not set
 # CONFIG_R3964 is not set
 # CONFIG_APPLICOM is not set
 
@@ -897,6 +927,7 @@ CONFIG_GEN_RTC_X=y
 # CONFIG_SYNCLINK_CS is not set
 # CONFIG_CARDMAN_4000 is not set
 # CONFIG_CARDMAN_4040 is not set
+# CONFIG_IPWIRELESS is not set
 CONFIG_RAW_DRIVER=y
 CONFIG_MAX_RAW_DEVS=256
 # CONFIG_HANGCHECK_TIMER is not set
@@ -944,13 +975,12 @@ CONFIG_I2C_PASEMI=y
 #
 # Miscellaneous I2C Chip support
 #
-# CONFIG_SENSORS_DS1337 is not set
-# CONFIG_SENSORS_DS1374 is not set
 # CONFIG_DS1682 is not set
 CONFIG_SENSORS_EEPROM=y
 # CONFIG_SENSORS_PCF8574 is not set
-# CONFIG_SENSORS_PCA9539 is not set
+# CONFIG_PCF8575 is not set
 # CONFIG_SENSORS_PCF8591 is not set
+# CONFIG_TPS65010 is not set
 # CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
 # CONFIG_I2C_DEBUG_CORE is not set
@@ -975,6 +1005,7 @@ CONFIG_HWMON_VID=y
 # CONFIG_SENSORS_ADM1031 is not set
 # CONFIG_SENSORS_ADM9240 is not set
 # CONFIG_SENSORS_ADT7470 is not set
+# CONFIG_SENSORS_ADT7473 is not set
 # CONFIG_SENSORS_ATXP1 is not set
 # CONFIG_SENSORS_DS1621 is not set
 # CONFIG_SENSORS_I5K_AMB is not set
@@ -1004,6 +1035,7 @@ CONFIG_SENSORS_LM90=y
 # CONFIG_SENSORS_SMSC47M1 is not set
 # CONFIG_SENSORS_SMSC47M192 is not set
 # CONFIG_SENSORS_SMSC47B397 is not set
+# CONFIG_SENSORS_ADS7828 is not set
 # CONFIG_SENSORS_THMC50 is not set
 # CONFIG_SENSORS_VIA686A is not set
 # CONFIG_SENSORS_VT1211 is not set
@@ -1013,9 +1045,11 @@ CONFIG_SENSORS_LM90=y
 # CONFIG_SENSORS_W83792D is not set
 # CONFIG_SENSORS_W83793 is not set
 # CONFIG_SENSORS_W83L785TS is not set
+# CONFIG_SENSORS_W83L786NG is not set
 # CONFIG_SENSORS_W83627HF is not set
 # CONFIG_SENSORS_W83627EHF is not set
 # CONFIG_HWMON_DEBUG_CHIP is not set
+# CONFIG_THERMAL is not set
 # CONFIG_WATCHDOG is not set
 
 #
@@ -1183,6 +1217,7 @@ CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_BT87X is not set
 # CONFIG_SND_CA0106 is not set
 # CONFIG_SND_CMIPCI is not set
+# CONFIG_SND_OXYGEN is not set
 # CONFIG_SND_CS4281 is not set
 # CONFIG_SND_CS46XX is not set
 # CONFIG_SND_CS5530 is not set
@@ -1208,6 +1243,7 @@ CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_HDA_INTEL is not set
 # CONFIG_SND_HDSP is not set
 # CONFIG_SND_HDSPM is not set
+# CONFIG_SND_HIFIER is not set
 # CONFIG_SND_ICE1712 is not set
 # CONFIG_SND_ICE1724 is not set
 # CONFIG_SND_INTEL8X0 is not set
@@ -1225,6 +1261,7 @@ CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_TRIDENT is not set
 # CONFIG_SND_VIA82XX is not set
 # CONFIG_SND_VIA82XX_MODEM is not set
+# CONFIG_SND_VIRTUOSO is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
 
@@ -1259,6 +1296,10 @@ CONFIG_SND_USB_USX2Y=y
 #
 
 #
+# ALSA SoC audio for Freescale SOCs
+#
+
+#
 # Open Sound System
 #
 # CONFIG_SOUND_PRIME is not set
@@ -1280,6 +1321,7 @@ CONFIG_USB_ARCH_HAS_OHCI=y
 CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
+# CONFIG_USB_ANNOUNCE_NEW_DEVICES is not set
 
 #
 # Miscellaneous USB options
@@ -1293,17 +1335,14 @@ CONFIG_USB_DEVICEFS=y
 # USB Host Controller Drivers
 #
 CONFIG_USB_EHCI_HCD=y
-# CONFIG_USB_EHCI_SPLIT_ISO is not set
 # CONFIG_USB_EHCI_ROOT_HUB_TT is not set
 # CONFIG_USB_EHCI_TT_NEWSCHED is not set
+CONFIG_USB_EHCI_HCD_PPC_OF=y
 # CONFIG_USB_ISP116X_HCD is not set
 CONFIG_USB_OHCI_HCD=y
-CONFIG_USB_OHCI_HCD_PPC_OF=y
-CONFIG_USB_OHCI_HCD_PPC_OF_BE=y
-# CONFIG_USB_OHCI_HCD_PPC_OF_LE is not set
-CONFIG_USB_OHCI_HCD_PCI=y
-CONFIG_USB_OHCI_BIG_ENDIAN_DESC=y
-CONFIG_USB_OHCI_BIG_ENDIAN_MMIO=y
+# CONFIG_USB_OHCI_HCD_PPC_OF is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_DESC is not set
+# CONFIG_USB_OHCI_BIG_ENDIAN_MMIO is not set
 CONFIG_USB_OHCI_LITTLE_ENDIAN=y
 CONFIG_USB_UHCI_HCD=y
 CONFIG_USB_SL811_HCD=y
@@ -1348,10 +1387,6 @@ CONFIG_USB_LIBUSUAL=y
 #
 # USB port drivers
 #
-
-#
-# USB Serial Converter support
-#
 # CONFIG_USB_SERIAL is not set
 
 #
@@ -1377,16 +1412,9 @@ CONFIG_USB_LIBUSUAL=y
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
-
-#
-# USB DSL modem support
-#
-
-#
-# USB Gadget Support
-#
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
+# CONFIG_MEMSTICK is not set
 # CONFIG_NEW_LEDS is not set
 # CONFIG_INFINIBAND is not set
 CONFIG_EDAC=y
@@ -1425,6 +1453,7 @@ CONFIG_RTC_DRV_DS1307=y
 # CONFIG_RTC_DRV_PCF8563 is not set
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
+# CONFIG_RTC_DRV_S35390A is not set
 
 #
 # SPI RTC drivers
@@ -1434,9 +1463,10 @@ CONFIG_RTC_DRV_DS1307=y
 # Platform RTC drivers
 #
 # CONFIG_RTC_DRV_CMOS is not set
+# CONFIG_RTC_DRV_DS1511 is not set
 # CONFIG_RTC_DRV_DS1553 is not set
-# CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_DS1742 is not set
+# CONFIG_RTC_DRV_STK17TA8 is not set
 # CONFIG_RTC_DRV_M48T86 is not set
 # CONFIG_RTC_DRV_M48T59 is not set
 # CONFIG_RTC_DRV_V3020 is not set
@@ -1444,6 +1474,7 @@ CONFIG_RTC_DRV_DS1307=y
 #
 # on-CPU RTC drivers
 #
+# CONFIG_DMADEVICES is not set
 
 #
 # Userspace I/O
@@ -1471,12 +1502,10 @@ CONFIG_FS_POSIX_ACL=y
 # CONFIG_XFS_FS is not set
 # CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
-# CONFIG_MINIX_FS is not set
-# CONFIG_ROMFS_FS is not set
+CONFIG_DNOTIFY=y
 CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
-CONFIG_DNOTIFY=y
 CONFIG_AUTOFS_FS=y
 CONFIG_AUTOFS4_FS=y
 # CONFIG_FUSE_FS is not set
@@ -1536,8 +1565,10 @@ CONFIG_JFFS2_RTIME=y
 # CONFIG_JFFS2_RUBIN is not set
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
+# CONFIG_MINIX_FS is not set
 # CONFIG_HPFS_FS is not set
 # CONFIG_QNX4FS_FS is not set
+# CONFIG_ROMFS_FS is not set
 # CONFIG_SYSV_FS is not set
 # CONFIG_UFS_FS is not set
 CONFIG_NETWORK_FILESYSTEMS=y
@@ -1629,7 +1660,6 @@ CONFIG_NLS_ISO8859_1=y
 # CONFIG_NLS_KOI8_U is not set
 # CONFIG_NLS_UTF8 is not set
 # CONFIG_DLM is not set
-# CONFIG_UCC_SLOW is not set
 
 #
 # Library routines
@@ -1647,11 +1677,6 @@ CONFIG_PLIST=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
 CONFIG_HAS_DMA=y
-CONFIG_INSTRUMENTATION=y
-CONFIG_PROFILING=y
-CONFIG_OPROFILE=y
-# CONFIG_KPROBES is not set
-# CONFIG_MARKERS is not set
 
 #
 # Kernel hacking
@@ -1670,6 +1695,7 @@ CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_TIMER_STATS is not set
 # CONFIG_SLUB_DEBUG_ON is not set
+# CONFIG_SLUB_STATS is not set
 # CONFIG_DEBUG_RT_MUTEXES is not set
 # CONFIG_RT_MUTEX_TESTER is not set
 # CONFIG_DEBUG_SPINLOCK is not set
@@ -1682,9 +1708,9 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
-# CONFIG_FORCED_INLINING is not set
 # CONFIG_BOOT_PRINTK_DELAY is not set
 # CONFIG_RCU_TORTURE_TEST is not set
+# CONFIG_BACKTRACE_SELF_TEST is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_SAMPLES is not set
 # CONFIG_DEBUG_STACKOVERFLOW is not set
@@ -1710,7 +1736,9 @@ CONFIG_ASYNC_MEMCPY=y
 CONFIG_ASYNC_XOR=y
 CONFIG_CRYPTO=y
 CONFIG_CRYPTO_ALGAPI=y
+CONFIG_CRYPTO_AEAD=y
 CONFIG_CRYPTO_BLKCIPHER=y
+# CONFIG_CRYPTO_SEQIV is not set
 CONFIG_CRYPTO_HASH=y
 CONFIG_CRYPTO_MANAGER=y
 CONFIG_CRYPTO_HMAC=y
@@ -1729,6 +1757,9 @@ CONFIG_CRYPTO_CBC=y
 # CONFIG_CRYPTO_PCBC is not set
 # CONFIG_CRYPTO_LRW is not set
 # CONFIG_CRYPTO_XTS is not set
+# CONFIG_CRYPTO_CTR is not set
+# CONFIG_CRYPTO_GCM is not set
+# CONFIG_CRYPTO_CCM is not set
 # CONFIG_CRYPTO_CRYPTD is not set
 CONFIG_CRYPTO_DES=y
 # CONFIG_CRYPTO_FCRYPT is not set
@@ -1743,11 +1774,14 @@ CONFIG_CRYPTO_AES=y
 # CONFIG_CRYPTO_KHAZAD is not set
 # CONFIG_CRYPTO_ANUBIS is not set
 # CONFIG_CRYPTO_SEED is not set
+# CONFIG_CRYPTO_SALSA20 is not set
 # CONFIG_CRYPTO_DEFLATE is not set
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
 # CONFIG_CRYPTO_CRC32C is not set
 # CONFIG_CRYPTO_CAMELLIA is not set
 # CONFIG_CRYPTO_TEST is not set
-# CONFIG_CRYPTO_AUTHENC is not set
+CONFIG_CRYPTO_AUTHENC=y
+# CONFIG_CRYPTO_LZO is not set
 CONFIG_CRYPTO_HW=y
+# CONFIG_CRYPTO_DEV_HIFN_795X is not set
 # CONFIG_PPC_CLOCK is not set
diff --git a/arch/powerpc/kernel/process.c b/arch/powerpc/kernel/process.c
index 59311ec0d422..4ec605521504 100644
--- a/arch/powerpc/kernel/process.c
+++ b/arch/powerpc/kernel/process.c
@@ -241,8 +241,12 @@ void discard_lazy_cpu_state(void)
 }
 #endif /* CONFIG_SMP */
 
+static DEFINE_PER_CPU(unsigned long, current_dabr);
+
 int set_dabr(unsigned long dabr)
 {
+        __get_cpu_var(current_dabr) = dabr;
+
 #ifdef CONFIG_PPC_MERGE         /* XXX for now */
         if (ppc_md.set_dabr)
                 return ppc_md.set_dabr(dabr);
@@ -259,8 +263,6 @@ int set_dabr(unsigned long dabr)
 DEFINE_PER_CPU(struct cpu_usage, cpu_usage_array);
 #endif
 
-static DEFINE_PER_CPU(unsigned long, current_dabr);
-
 struct task_struct *__switch_to(struct task_struct *prev,
         struct task_struct *new)
 {
@@ -325,10 +327,8 @@ struct task_struct *__switch_to(struct task_struct *prev,
 
 #endif /* CONFIG_SMP */
 
-        if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr)) {
+        if (unlikely(__get_cpu_var(current_dabr) != new->thread.dabr))
                 set_dabr(new->thread.dabr);
-                __get_cpu_var(current_dabr) = new->thread.dabr;
-        }
 
         new_thread = &new->thread;
         old_thread = &current->thread;
diff --git a/arch/powerpc/oprofile/cell/vma_map.c b/arch/powerpc/oprofile/cell/vma_map.c
index 76ec1d16aef7..9a932177e70e 100644
--- a/arch/powerpc/oprofile/cell/vma_map.c
+++ b/arch/powerpc/oprofile/cell/vma_map.c
@@ -92,7 +92,7 @@ vma_map_add(struct vma_to_fileoffset_map *map, unsigned int vma,
  * A pointer to the first vma_map in the generated list
  * of vma_maps is returned.  */
 struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
-                                             unsigned long spu_elf_start)
+                                             unsigned long __spu_elf_start)
 {
         static const unsigned char expected[EI_PAD] = {
                 [EI_MAG0] = ELFMAG0,
@@ -107,9 +107,11 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
 
         int grd_val;
         struct vma_to_fileoffset_map *map = NULL;
+        void __user *spu_elf_start = (void __user *)__spu_elf_start;
         struct spu_overlay_info ovly;
         unsigned int overlay_tbl_offset = -1;
-        unsigned long phdr_start, shdr_start;
+        Elf32_Phdr __user *phdr_start;
+        Elf32_Shdr __user *shdr_start;
         Elf32_Ehdr ehdr;
         Elf32_Phdr phdr;
         Elf32_Shdr shdr, shdr_str;
@@ -121,12 +123,12 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
         unsigned int ovly_buf_table_sym = 0;
         unsigned int ovly_table_end_sym = 0;
         unsigned int ovly_buf_table_end_sym = 0;
-        unsigned long ovly_table;
+        struct spu_overlay_info __user *ovly_table;
         unsigned int n_ovlys;
 
         /* Get and validate ELF header.  */
 
-        if (copy_from_user(&ehdr, (void *) spu_elf_start, sizeof (ehdr)))
+        if (copy_from_user(&ehdr, spu_elf_start, sizeof (ehdr)))
                 goto fail;
 
         if (memcmp(ehdr.e_ident, expected, EI_PAD) != 0) {
@@ -152,9 +154,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
 
         /* Traverse program headers.  */
         for (i = 0; i < ehdr.e_phnum; i++) {
-                if (copy_from_user(&phdr,
-                                   (void *) (phdr_start + i * sizeof(phdr)),
-                                   sizeof(phdr)))
+                if (copy_from_user(&phdr, phdr_start + i, sizeof(phdr)))
                         goto fail;
 
                 if (phdr.p_type != PT_LOAD)
@@ -171,9 +171,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
         pr_debug("SPU_PROF: Created non-overlay maps\n");
         /* Traverse section table and search for overlay-related symbols.  */
         for (i = 0; i < ehdr.e_shnum; i++) {
-                if (copy_from_user(&shdr,
-                                   (void *) (shdr_start + i * sizeof(shdr)),
-                                   sizeof(shdr)))
+                if (copy_from_user(&shdr, shdr_start + i, sizeof(shdr)))
                         goto fail;
 
                 if (shdr.sh_type != SHT_SYMTAB)
@@ -182,8 +180,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
                         continue;
 
                 if (copy_from_user(&shdr_str,
-                                   (void *) (shdr_start + shdr.sh_link *
-                                             sizeof(shdr)),
+                                   shdr_start + shdr.sh_link,
                                    sizeof(shdr)))
                         goto fail;
 
@@ -191,15 +188,15 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
                         goto fail;;
 
                 for (j = 0; j < shdr.sh_size / sizeof (sym); j++) {
-                        if (copy_from_user(&sym, (void *) (spu_elf_start +
-                                                       shdr.sh_offset + j *
-                                                           sizeof (sym)),
+                        if (copy_from_user(&sym, spu_elf_start +
+                                                 shdr.sh_offset +
+                                                 j * sizeof (sym),
                                            sizeof (sym)))
                                 goto fail;
 
-                        if (copy_from_user(name, (void *)
-                                           (spu_elf_start + shdr_str.sh_offset +
-                                            sym.st_name),
+                        if (copy_from_user(name, 
+                                           spu_elf_start + shdr_str.sh_offset +
+                                           sym.st_name,
                                            20))
                                 goto fail;
 
@@ -245,9 +242,7 @@ struct vma_to_fileoffset_map *create_vma_map(const struct spu *aSpu,
 
         /* Traverse overlay table.  */
         for (i = 0; i < n_ovlys; i++) {
-                if (copy_from_user(&ovly, (void *)
-                                   (ovly_table + i * sizeof (ovly)),
-                                   sizeof (ovly)))
+                if (copy_from_user(&ovly, ovly_table + i, sizeof (ovly)))
                         goto fail;
 
                 /* The ovly.vma/size/offset arguments are analogous to the same
diff --git a/arch/powerpc/platforms/pseries/xics.c b/arch/powerpc/platforms/pseries/xics.c
index ca52b587166d..a977f200db89 100644
--- a/arch/powerpc/platforms/pseries/xics.c
+++ b/arch/powerpc/platforms/pseries/xics.c
@@ -763,7 +763,7 @@ void xics_request_IPIs(void)
 }
 #endif /* CONFIG_SMP */
 
-void xics_teardown_cpu()
+void xics_teardown_cpu(void)
 {
         int cpu = smp_processor_id();
 
diff --git a/arch/x86/lguest/boot.c b/arch/x86/lguest/boot.c
index a104c532ff70..3335b4595efd 100644
--- a/arch/x86/lguest/boot.c
+++ b/arch/x86/lguest/boot.c
@@ -10,21 +10,19 @@
  * (such as the example in Documentation/lguest/lguest.c) is called the
  * Launcher.
  *
- * Secondly, we only run specially modified Guests, not normal kernels.  When
- * you set CONFIG_LGUEST to 'y' or 'm', this automatically sets
- * CONFIG_LGUEST_GUEST=y, which compiles this file into the kernel so it knows
- * how to be a Guest.  This means that you can use the same kernel you boot
- * normally (ie. as a Host) as a Guest.
+ * Secondly, we only run specially modified Guests, not normal kernels: setting
+ * CONFIG_LGUEST_GUEST to "y" compiles this file into the kernel so it knows
+ * how to be a Guest at boot time.  This means that you can use the same kernel
+ * you boot normally (ie. as a Host) as a Guest.
  *
  * These Guests know that they cannot do privileged operations, such as disable
  * interrupts, and that they have to ask the Host to do such things explicitly.
  * This file consists of all the replacements for such low-level native
  * hardware operations: these special Guest versions call the Host.
  *
- * So how does the kernel know it's a Guest?  The Guest starts at a special
- * entry point marked with a magic string, which sets up a few things then
- * calls here.  We replace the native functions various "paravirt" structures
- * with our Guest versions, then boot like normal. :*/
+ * So how does the kernel know it's a Guest?  We'll see that later, but let's
+ * just say that we end up here where we replace the native functions various
+ * "paravirt" structures with our Guest versions, then boot like normal. :*/
 
 /*
  * Copyright (C) 2006, Rusty Russell <rusty@rustcorp.com.au> IBM Corporation.
@@ -134,7 +132,7 @@ static void async_hcall(unsigned long call, unsigned long arg1,
  * lguest_leave_lazy_mode().
  *
  * So, when we're in lazy mode, we call async_hcall() to store the call for
- * future processing. */
+ * future processing: */
 static void lazy_hcall(unsigned long call,
                        unsigned long arg1,
                        unsigned long arg2,
@@ -147,7 +145,7 @@ static void lazy_hcall(unsigned long call,
 }
 
 /* When lazy mode is turned off reset the per-cpu lazy mode variable and then
- * issue a hypercall to flush any stored calls. */
+ * issue the do-nothing hypercall to flush any stored calls. */
 static void lguest_leave_lazy_mode(void)
 {
         paravirt_leave_lazy(paravirt_get_lazy_mode());
@@ -164,7 +162,7 @@ static void lguest_leave_lazy_mode(void)
  *
  * So instead we keep an "irq_enabled" field inside our "struct lguest_data",
  * which the Guest can update with a single instruction.  The Host knows to
- * check there when it wants to deliver an interrupt.
+ * check there before it tries to deliver an interrupt.
  */
 
 /* save_flags() is expected to return the processor state (ie. "flags").  The
@@ -196,10 +194,15 @@ static void irq_enable(void)
 /*M:003 Note that we don't check for outstanding interrupts when we re-enable
  * them (or when we unmask an interrupt).  This seems to work for the moment,
  * since interrupts are rare and we'll just get the interrupt on the next timer
- * tick, but when we turn on CONFIG_NO_HZ, we should revisit this.  One way
+ * tick, but now we can run with CONFIG_NO_HZ, we should revisit this.  One way
  * would be to put the "irq_enabled" field in a page by itself, and have the
  * Host write-protect it when an interrupt comes in when irqs are disabled.
- * There will then be a page fault as soon as interrupts are re-enabled. :*/
+ * There will then be a page fault as soon as interrupts are re-enabled.
+ *
+ * A better method is to implement soft interrupt disable generally for x86:
+ * instead of disabling interrupts, we set a flag.  If an interrupt does come
+ * in, we then disable them for real.  This is uncommon, so we could simply use
+ * a hypercall for interrupt control and not worry about efficiency. :*/
 
 /*G:034
  * The Interrupt Descriptor Table (IDT).
@@ -212,6 +215,10 @@ static void irq_enable(void)
 static void lguest_write_idt_entry(gate_desc *dt,
                                    int entrynum, const gate_desc *g)
 {
+        /* The gate_desc structure is 8 bytes long: we hand it to the Host in
+         * two 32-bit chunks.  The whole 32-bit kernel used to hand descriptors
+         * around like this; typesafety wasn't a big concern in Linux's early
+         * years. */
         u32 *desc = (u32 *)g;
         /* Keep the local copy up to date. */
         native_write_idt_entry(dt, entrynum, g);
@@ -243,7 +250,8 @@ static void lguest_load_idt(const struct desc_ptr *desc)
  *
  * This is the opposite of the IDT code where we have a LOAD_IDT_ENTRY
  * hypercall and use that repeatedly to load a new IDT.  I don't think it
- * really matters, but wouldn't it be nice if they were the same?
+ * really matters, but wouldn't it be nice if they were the same?  Wouldn't
+ * it be even better if you were the one to send the patch to fix it?
  */
 static void lguest_load_gdt(const struct desc_ptr *desc)
 {
@@ -298,9 +306,9 @@ static void lguest_load_tr_desc(void)
 
 /* The "cpuid" instruction is a way of querying both the CPU identity
  * (manufacturer, model, etc) and its features.  It was introduced before the
- * Pentium in 1993 and keeps getting extended by both Intel and AMD.  As you
- * might imagine, after a decade and a half this treatment, it is now a giant
- * ball of hair.  Its entry in the current Intel manual runs to 28 pages.
+ * Pentium in 1993 and keeps getting extended by both Intel, AMD and others.
+ * As you might imagine, after a decade and a half this treatment, it is now a
+ * giant ball of hair.  Its entry in the current Intel manual runs to 28 pages.
  *
  * This instruction even it has its own Wikipedia entry.  The Wikipedia entry
  * has been translated into 4 languages.  I am not making this up!
@@ -594,17 +602,17 @@ static unsigned long lguest_get_wallclock(void)
         return lguest_data.time.tv_sec;
 }
 
-/* The TSC is a Time Stamp Counter.  The Host tells us what speed it runs at,
- * or 0 if it's unusable as a reliable clock source.  This matches what we want
- * here: if we return 0 from this function, the x86 TSC clock will not register
- * itself. */
+/* The TSC is an Intel thing called the Time Stamp Counter.  The Host tells us
+ * what speed it runs at, or 0 if it's unusable as a reliable clock source.
+ * This matches what we want here: if we return 0 from this function, the x86
+ * TSC clock will give up and not register itself. */
 static unsigned long lguest_cpu_khz(void)
 {
         return lguest_data.tsc_khz;
 }
 
-/* If we can't use the TSC, the kernel falls back to our "lguest_clock", where
- * we read the time value given to us by the Host. */
+/* If we can't use the TSC, the kernel falls back to our lower-priority
+ * "lguest_clock", where we read the time value given to us by the Host. */
 static cycle_t lguest_clock_read(void)
 {
         unsigned long sec, nsec;
@@ -648,12 +656,16 @@ static struct clocksource lguest_clock = {
 static int lguest_clockevent_set_next_event(unsigned long delta,
                                            struct clock_event_device *evt)
 {
+        /* FIXME: I don't think this can ever happen, but James tells me he had
+         * to put this code in.  Maybe we should remove it now.  Anyone? */
         if (delta < LG_CLOCK_MIN_DELTA) {
                 if (printk_ratelimit())
                         printk(KERN_DEBUG "%s: small delta %lu ns\n",
                                __FUNCTION__, delta);
                 return -ETIME;
         }
+
+        /* Please wake us this far in the future. */
         hcall(LHCALL_SET_CLOCKEVENT, delta, 0, 0);
         return 0;
 }
@@ -738,7 +750,7 @@ static void lguest_time_init(void)
  * will not tolerate us trying to use that), the stack pointer, and the number
  * of pages in the stack. */
 static void lguest_load_sp0(struct tss_struct *tss,
-                                     struct thread_struct *thread)
+                            struct thread_struct *thread)
 {
         lazy_hcall(LHCALL_SET_STACK, __KERNEL_DS|0x1, thread->sp0,
                    THREAD_SIZE/PAGE_SIZE);
@@ -786,9 +798,8 @@ static void lguest_safe_halt(void)
         hcall(LHCALL_HALT, 0, 0, 0);
 }
 
-/* Perhaps CRASH isn't the best name for this hypercall, but we use it to get a
- * message out when we're crashing as well as elegant termination like powering
- * off.
+/* The SHUTDOWN hypercall takes a string to describe what's happening, and
+ * an argument which says whether this to restart (reboot) the Guest or not.
  *
  * Note that the Host always prefers that the Guest speak in physical addresses
  * rather than virtual addresses, so we use __pa() here. */
@@ -816,8 +827,9 @@ static struct notifier_block paniced = {
 /* Setting up memory is fairly easy. */
 static __init char *lguest_memory_setup(void)
 {
-        /* We do this here and not earlier because lockcheck barfs if we do it
-         * before start_kernel() */
+        /* We do this here and not earlier because lockcheck used to barf if we
+         * did it before start_kernel().  I think we fixed that, so it'd be
+         * nice to move it back to lguest_init.  Patch welcome... */
         atomic_notifier_chain_register(&panic_notifier_list, &paniced);
 
         /* The Linux bootloader header contains an "e820" memory map: the
@@ -850,12 +862,19 @@ static __init int early_put_chars(u32 vtermno, const char *buf, int count)
         return len;
 }
 
+/* Rebooting also tells the Host we're finished, but the RESTART flag tells the
+ * Launcher to reboot us. */
+static void lguest_restart(char *reason)
+{
+        hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0);
+}
+
 /*G:050
  * Patching (Powerfully Placating Performance Pedants)
  *
- * We have already seen that pv_ops structures let us replace simple
- * native instructions with calls to the appropriate back end all throughout
- * the kernel.  This allows the same kernel to run as a Guest and as a native
+ * We have already seen that pv_ops structures let us replace simple native
+ * instructions with calls to the appropriate back end all throughout the
+ * kernel.  This allows the same kernel to run as a Guest and as a native
  * kernel, but it's slow because of all the indirect branches.
  *
  * Remember that David Wheeler quote about "Any problem in computer science can
@@ -908,14 +927,9 @@ static unsigned lguest_patch(u8 type, u16 clobber, void *ibuf,
         return insn_len;
 }
 
-static void lguest_restart(char *reason)
-{
-        hcall(LHCALL_SHUTDOWN, __pa(reason), LGUEST_SHUTDOWN_RESTART, 0);
-}
-
-/*G:030 Once we get to lguest_init(), we know we're a Guest.  The pv_ops
- * structures in the kernel provide points for (almost) every routine we have
- * to override to avoid privileged instructions. */
+/*G:030 Once we get to lguest_init(), we know we're a Guest.  The various
+ * pv_ops structures in the kernel provide points for (almost) every routine we
+ * have to override to avoid privileged instructions. */
 __init void lguest_init(void)
 {
         /* We're under lguest, paravirt is enabled, and we're running at
@@ -1003,9 +1017,9 @@ __init void lguest_init(void)
          * the normal data segment to get through booting. */
         asm volatile ("mov %0, %%fs" : : "r" (__KERNEL_DS) : "memory");
 
-        /* The Host uses the top of the Guest's virtual address space for the
-         * Host<->Guest Switcher, and it tells us how big that is in
-         * lguest_data.reserve_mem, set up on the LGUEST_INIT hypercall. */
+        /* The Host<->Guest Switcher lives at the top of our address space, and
+         * the Host told us how big it is when we made LGUEST_INIT hypercall:
+         * it put the answer in lguest_data.reserve_mem  */
         reserve_top_address(lguest_data.reserve_mem);
 
         /* If we don't initialize the lock dependency checker now, it crashes
@@ -1027,6 +1041,7 @@ __init void lguest_init(void)
         /* Math is always hard! */
         new_cpu_data.hard_math = 1;
 
+        /* We don't have features.  We have puppies!  Puppies! */
 #ifdef CONFIG_X86_MCE
         mce_disabled = 1;
 #endif
@@ -1044,10 +1059,11 @@ __init void lguest_init(void)
         virtio_cons_early_init(early_put_chars);
 
         /* Last of all, we set the power management poweroff hook to point to
-         * the Guest routine to power off. */
+         * the Guest routine to power off, and the reboot hook to our restart
+         * routine. */
         pm_power_off = lguest_power_off;
-
         machine_ops.restart = lguest_restart;
+
         /* Now we're set up, call start_kernel() in init/main.c and we proceed
          * to boot as normal.  It never returns. */
         start_kernel();
diff --git a/arch/x86/lguest/i386_head.S b/arch/x86/lguest/i386_head.S
index 95b6fbcded63..5c7cef34c9e7 100644
--- a/arch/x86/lguest/i386_head.S
+++ b/arch/x86/lguest/i386_head.S
@@ -5,13 +5,20 @@
 #include <asm/thread_info.h>
 #include <asm/processor-flags.h>
 
-/*G:020 This is where we begin: head.S notes that the boot header's platform
- * type field is "1" (lguest), so calls us here.
+/*G:020 Our story starts with the kernel booting into startup_32 in
+ * arch/x86/kernel/head_32.S.  It expects a boot header, which is created by
+ * the bootloader (the Launcher in our case).
+ *
+ * The startup_32 function does very little: it clears the uninitialized global
+ * C variables which we expect to be zero (ie. BSS) and then copies the boot
+ * header and kernel command line somewhere safe.  Finally it checks the
+ * 'hardware_subarch' field.  This was introduced in 2.6.24 for lguest and Xen:
+ * if it's set to '1' (lguest's assigned number), then it calls us here.
  *
  * WARNING: be very careful here!  We're running at addresses equal to physical
  * addesses (around 0), not above PAGE_OFFSET as most code expectes
  * (eg. 0xC0000000).  Jumps are relative, so they're OK, but we can't touch any
- * data.
+ * data without remembering to subtract __PAGE_OFFSET!
  *
  * The .section line puts this code in .init.text so it will be discarded after
  * boot. */
@@ -24,7 +31,7 @@ ENTRY(lguest_entry)
         int $LGUEST_TRAP_ENTRY
 
         /* The Host put the toplevel pagetable in lguest_data.pgdir.  The movsl
-         * instruction uses %esi implicitly as the source for the copy we'
+         * instruction uses %esi implicitly as the source for the copy we're
          * about to do. */
         movl lguest_data - __PAGE_OFFSET + LGUEST_DATA_pgdir, %esi
 
diff --git a/arch/x86/mm/highmem_32.c b/arch/x86/mm/highmem_32.c
index 3d936f232704..9cf33d3ee5bc 100644
--- a/arch/x86/mm/highmem_32.c
+++ b/arch/x86/mm/highmem_32.c
@@ -73,15 +73,15 @@ void *kmap_atomic_prot(struct page *page, enum km_type type, pgprot_t prot)
 {
         enum fixed_addresses idx;
         unsigned long vaddr;
-        /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */
-
-        debug_kmap_atomic_prot(type);
 
+        /* even !CONFIG_PREEMPT needs this, for in_atomic in do_page_fault */
         pagefault_disable();
 
         if (!PageHighMem(page))
                 return page_address(page);
 
+        debug_kmap_atomic_prot(type);
+
         idx = type + KM_TYPE_NR*smp_processor_id();
         vaddr = __fix_to_virt(FIX_KMAP_BEGIN + idx);
         BUG_ON(!pte_none(*(kmap_pte-idx)));