Merge branch 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip

* 'x86-fixes-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/tip/linux-2.6-tip:
x86: update defconfigs
x86: msr: fix bogus return values from rdmsr_safe/wrmsr_safe
x86: cpuid: correct return value on partial operations
x86: msr: correct return value on partial operations
x86: cpuid: propagate error from smp_call_function_single()
x86: msr: propagate errors from smp_call_function_single()
smp: have smp_call_function_single() detect invalid CPUs

arch/x86/configs/i386_defconfig

···
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc1
-# Sun May  4 19:59:02 2008
+# Linux kernel version: 2.6.27-rc4
+# Mon Aug 25 15:04:00 2008
 #
 # CONFIG_64BIT is not set
 CONFIG_X86_32=y
 # CONFIG_X86_64 is not set
 CONFIG_X86=y
-CONFIG_DEFCONFIG_LIST="arch/x86/configs/i386_defconfig"
+CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig"
 # CONFIG_GENERIC_LOCKBREAK is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CMOS_UPDATE=y
···
 CONFIG_X86_BIOS_REBOOT=y
 CONFIG_X86_TRAMPOLINE=y
 CONFIG_KTIME_SCALAR=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # General setup
···
 CONFIG_CGROUP_NS=y
 # CONFIG_CGROUP_DEVICE is not set
 CONFIG_CPUSETS=y
+CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
 CONFIG_GROUP_SCHED=y
 CONFIG_FAIR_GROUP_SCHED=y
 # CONFIG_RT_GROUP_SCHED is not set
···
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
···
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_PCSPKR_PLATFORM=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
···
 # CONFIG_OPROFILE is not set
 CONFIG_HAVE_OPROFILE=y
 CONFIG_KPROBES=y
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
 CONFIG_KRETPROBES=y
+CONFIG_HAVE_IOREMAP_PROT=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_ARCH_TRACEHOOK is not set
 # CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_USE_GENERIC_SMP_HELPERS=y
+# CONFIG_HAVE_CLK is not set
 CONFIG_PROC_PAGE_MONITOR=y
+CONFIG_HAVE_GENERIC_DMA_COHERENT=y
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 # CONFIG_LBD is not set
 CONFIG_BLK_DEV_IO_TRACE=y
 # CONFIG_LSF is not set
 CONFIG_BLK_DEV_BSG=y
+# CONFIG_BLK_DEV_INTEGRITY is not set
 
 #
 # IO Schedulers
···
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_SMP=y
+CONFIG_X86_FIND_SMP_CONFIG=y
+CONFIG_X86_MPPARSE=y
 CONFIG_X86_PC=y
 # CONFIG_X86_ELAN is not set
 # CONFIG_X86_VOYAGER is not set
-# CONFIG_X86_NUMAQ is not set
-# CONFIG_X86_SUMMIT is not set
-# CONFIG_X86_BIGSMP is not set
-# CONFIG_X86_VISWS is not set
 # CONFIG_X86_GENERICARCH is not set
-# CONFIG_X86_ES7000 is not set
-# CONFIG_X86_RDC321X is not set
 # CONFIG_X86_VSMP is not set
+# CONFIG_X86_RDC321X is not set
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 # CONFIG_PARAVIRT_GUEST is not set
+# CONFIG_MEMTEST is not set
 # CONFIG_M386 is not set
 # CONFIG_M486 is not set
 # CONFIG_M586 is not set
···
 # CONFIG_MPSC is not set
 CONFIG_MCORE2=y
 # CONFIG_GENERIC_CPU is not set
-# CONFIG_X86_GENERIC is not set
+CONFIG_X86_GENERIC=y
 CONFIG_X86_CPU=y
 CONFIG_X86_CMPXCHG=y
-CONFIG_X86_L1_CACHE_SHIFT=6
+CONFIG_X86_L1_CACHE_SHIFT=7
 CONFIG_X86_XADD=y
 CONFIG_X86_WP_WORKS_OK=y
 CONFIG_X86_INVLPG=y
 CONFIG_X86_BSWAP=y
 CONFIG_X86_POPAD_OK=y
-CONFIG_X86_GOOD_APIC=y
 CONFIG_X86_INTEL_USERCOPY=y
 CONFIG_X86_USE_PPRO_CHECKSUM=y
-CONFIG_X86_P6_NOP=y
 CONFIG_X86_TSC=y
-CONFIG_X86_MINIMUM_CPU_FAMILY=6
+CONFIG_X86_MINIMUM_CPU_FAMILY=4
 CONFIG_X86_DEBUGCTLMSR=y
 CONFIG_HPET_TIMER=y
 CONFIG_HPET_EMULATE_RTC=y
···
 CONFIG_VM86=y
 # CONFIG_TOSHIBA is not set
 # CONFIG_I8K is not set
-# CONFIG_X86_REBOOTFIXUPS is not set
+CONFIG_X86_REBOOTFIXUPS=y
 # CONFIG_MICROCODE is not set
 CONFIG_X86_MSR=y
 CONFIG_X86_CPUID=y
···
 # CONFIG_HIGHMEM64G is not set
 CONFIG_PAGE_OFFSET=0xC0000000
 CONFIG_HIGHMEM=y
-CONFIG_NEED_NODE_MEMMAP_SIZE=y
 CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_SELECT_MEMORY_MODEL=y
 CONFIG_SELECT_MEMORY_MODEL=y
-# CONFIG_FLATMEM_MANUAL is not set
+CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
-CONFIG_SPARSEMEM_MANUAL=y
-CONFIG_SPARSEMEM=y
-CONFIG_HAVE_MEMORY_PRESENT=y
+# CONFIG_SPARSEMEM_MANUAL is not set
+CONFIG_FLATMEM=y
+CONFIG_FLAT_NODE_MEM_MAP=y
 CONFIG_SPARSEMEM_STATIC=y
 # CONFIG_SPARSEMEM_VMEMMAP_ENABLE is not set
-
-#
-# Memory hotplug is currently incompatible with Software Suspend
-#
 CONFIG_PAGEFLAGS_EXTENDED=y
 CONFIG_SPLIT_PTLOCK_CPUS=4
 CONFIG_RESOURCES_64BIT=y
 CONFIG_ZONE_DMA_FLAG=1
 CONFIG_BOUNCE=y
 CONFIG_VIRT_TO_BUS=y
-# CONFIG_HIGHPTE is not set
+CONFIG_HIGHPTE=y
 # CONFIG_MATH_EMULATION is not set
 CONFIG_MTRR=y
-# CONFIG_X86_PAT is not set
+# CONFIG_MTRR_SANITIZER is not set
+CONFIG_X86_PAT=y
 CONFIG_EFI=y
 # CONFIG_IRQBALANCE is not set
 CONFIG_SECCOMP=y
···
 CONFIG_SCHED_HRTICK=y
 CONFIG_KEXEC=y
 CONFIG_CRASH_DUMP=y
+# CONFIG_KEXEC_JUMP is not set
 CONFIG_PHYSICAL_START=0x1000000
 CONFIG_RELOCATABLE=y
 CONFIG_PHYSICAL_ALIGN=0x200000
···
 CONFIG_PM_SLEEP_SMP=y
 CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
+# CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 CONFIG_HIBERNATION=y
 CONFIG_PM_STD_PARTITION=""
···
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
 CONFIG_ACPI_EC=y
+# CONFIG_ACPI_PCI_SLOT is not set
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_SYSTEM=y
 CONFIG_X86_PM_TIMER=y
···
 # CONFIG_PCI_GOBIOS is not set
 # CONFIG_PCI_GOMMCONFIG is not set
 # CONFIG_PCI_GODIRECT is not set
-CONFIG_PCI_GOANY=y
 # CONFIG_PCI_GOOLPC is not set
+CONFIG_PCI_GOANY=y
 CONFIG_PCI_BIOS=y
 CONFIG_PCI_DIRECT=y
 CONFIG_PCI_MMCONFIG=y
···
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_AOUT is not set
 CONFIG_BINFMT_MISC=y
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
···
 CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_IP_ROUTE_MULTIPATH=y
 CONFIG_IP_ROUTE_VERBOSE=y
-# CONFIG_IP_PNP is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
 CONFIG_IP_MROUTE=y
···
 # CONFIG_NET_SCH_HTB is not set
 # CONFIG_NET_SCH_HFSC is not set
 # CONFIG_NET_SCH_PRIO is not set
-# CONFIG_NET_SCH_RR is not set
 # CONFIG_NET_SCH_RED is not set
 # CONFIG_NET_SCH_SFQ is not set
 # CONFIG_NET_SCH_TEQL is not set
···
 CONFIG_CFG80211=y
 CONFIG_NL80211=y
 CONFIG_WIRELESS_EXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
 CONFIG_MAC80211=y
 
 #
 # Rate control algorithm selection
 #
-CONFIG_MAC80211_RC_DEFAULT_PID=y
-# CONFIG_MAC80211_RC_DEFAULT_NONE is not set
-
-#
-# Selecting 'y' for an algorithm will
-#
-
-#
-# build the algorithm into mac80211.
-#
-CONFIG_MAC80211_RC_DEFAULT="pid"
 CONFIG_MAC80211_RC_PID=y
+CONFIG_MAC80211_RC_DEFAULT_PID=y
+CONFIG_MAC80211_RC_DEFAULT="pid"
 # CONFIG_MAC80211_MESH is not set
 CONFIG_MAC80211_LEDS=y
 # CONFIG_MAC80211_DEBUGFS is not set
-# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set
-# CONFIG_MAC80211_DEBUG is not set
+# CONFIG_MAC80211_DEBUG_MENU is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
···
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
 CONFIG_DEBUG_DEVRES=y
 # CONFIG_SYS_HYPERVISOR is not set
···
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_IBM_ASM is not set
 # CONFIG_PHANTOM is not set
···
 # CONFIG_FUJITSU_LAPTOP is not set
 # CONFIG_TC1100_WMI is not set
 # CONFIG_MSI_LAPTOP is not set
+# CONFIG_COMPAL_LAPTOP is not set
 # CONFIG_SONY_LAPTOP is not set
 # CONFIG_THINKPAD_ACPI is not set
 # CONFIG_INTEL_MENLOW is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_HP_ILO is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
···
 #
 CONFIG_SCSI_SPI_ATTRS=y
 # CONFIG_SCSI_FC_ATTRS is not set
-# CONFIG_SCSI_ISCSI_ATTRS is not set
+CONFIG_SCSI_ISCSI_ATTRS=y
 # CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
 # CONFIG_SCSI_SRP_ATTRS is not set
 # CONFIG_SCSI_LOWLEVEL is not set
 # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
 CONFIG_ATA_ACPI=y
···
 # CONFIG_PATA_CS5536 is not set
 # CONFIG_PATA_CYPRESS is not set
 # CONFIG_PATA_EFAR is not set
-# CONFIG_ATA_GENERIC is not set
+CONFIG_ATA_GENERIC=y
 # CONFIG_PATA_HPT366 is not set
 # CONFIG_PATA_HPT37X is not set
 # CONFIG_PATA_HPT3X2N is not set
···
 # CONFIG_PATA_JMICRON is not set
 # CONFIG_PATA_TRIFLEX is not set
 # CONFIG_PATA_MARVELL is not set
-# CONFIG_PATA_MPIIX is not set
+CONFIG_PATA_MPIIX=y
 CONFIG_PATA_OLDPIIX=y
 # CONFIG_PATA_NETCELL is not set
 # CONFIG_PATA_NINJA32 is not set
···
 # CONFIG_PATA_SIS is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
+CONFIG_PATA_SCH=y
 CONFIG_MD=y
 CONFIG_BLK_DEV_MD=y
 # CONFIG_MD_LINEAR is not set
···
 #
 # IEEE 1394 (FireWire) support
 #
+
+#
+# Enable only one of the two stacks, unless you know what you are doing
+#
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_MACINTOSH_DRIVERS=y
 CONFIG_MAC_EMUMOUSEBTN=y
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_IFB is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
···
 # CONFIG_VETH is not set
 # CONFIG_NET_SB1000 is not set
 # CONFIG_ARCNET is not set
-# CONFIG_PHYLIB is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# 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
 CONFIG_MII=y
 # CONFIG_HAPPYMEAL is not set
···
 CONFIG_E100=y
 # CONFIG_FEALNX is not set
 # CONFIG_NATSEMI is not set
-# CONFIG_NE2K_PCI is not set
+CONFIG_NE2K_PCI=y
 # CONFIG_8139CP is not set
 CONFIG_8139TOO=y
-CONFIG_8139TOO_PIO=y
+# CONFIG_8139TOO_PIO is not set
 # CONFIG_8139TOO_TUNE_TWISTER is not set
 # CONFIG_8139TOO_8129 is not set
 # CONFIG_8139_OLD_RX_RESET is not set
···
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 CONFIG_E1000=y
-# CONFIG_E1000_NAPI is not set
 # CONFIG_E1000_DISABLE_PACKET_SPLIT is not set
-# CONFIG_E1000E is not set
-# CONFIG_E1000E_ENABLED is not set
+CONFIG_E1000E=y
 # 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
-# CONFIG_R8169 is not set
+CONFIG_R8169=y
 # CONFIG_SIS190 is not set
 # CONFIG_SKGE is not set
 CONFIG_SKY2=y
 # CONFIG_SKY2_DEBUG is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
-# CONFIG_BNX2 is not set
+CONFIG_BNX2=y
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
···
 # CONFIG_RTL8180 is not set
 # CONFIG_RTL8187 is not set
 # CONFIG_ADM8211 is not set
+# CONFIG_MAC80211_HWSIM is not set
 # CONFIG_P54_COMMON is not set
 CONFIG_ATH5K=y
 # CONFIG_ATH5K_DEBUG is not set
-# CONFIG_IWLWIFI is not set
+# CONFIG_ATH9K is not set
 # CONFIG_IWLCORE is not set
 # CONFIG_IWLWIFI_LEDS is not set
-# CONFIG_IWL4965 is not set
+# CONFIG_IWLAGN is not set
 # CONFIG_IWL3945 is not set
 # CONFIG_HOSTAP is not set
 # CONFIG_B43 is not set
···
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
+# CONFIG_MOUSE_BCM5974 is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 CONFIG_INPUT_JOYSTICK=y
 # CONFIG_JOYSTICK_ANALOG is not set
···
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
 # CONFIG_TOUCHSCREEN_PENMOUNT is not set
 # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
 # CONFIG_TOUCHSCREEN_TOUCHWIN is not set
 # CONFIG_TOUCHSCREEN_UCB1400 is not set
 # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_PCSPKR is not set
 # CONFIG_INPUT_APANEL is not set
···
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
···
 # CONFIG_LEGACY_PTYS is not set
 # CONFIG_IPMI_HANDLER is not set
 CONFIG_HW_RANDOM=y
-# CONFIG_HW_RANDOM_INTEL is not set
-# CONFIG_HW_RANDOM_AMD is not set
+CONFIG_HW_RANDOM_INTEL=y
+CONFIG_HW_RANDOM_AMD=y
 CONFIG_HW_RANDOM_GEODE=y
 CONFIG_HW_RANDOM_VIA=y
 CONFIG_NVRAM=y
···
 # CONFIG_CS5535_GPIO is not set
 # CONFIG_RAW_DRIVER is not set
 CONFIG_HPET=y
-# CONFIG_HPET_RTC_IRQ is not set
 # CONFIG_HPET_MMAP is not set
 # CONFIG_HANGCHECK_TIMER is not set
 # CONFIG_TCG_TPM is not set
···
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 
 #
 # I2C Hardware Bus support
+#
+
+#
+# PC SMBus host controller drivers
 #
 # CONFIG_I2C_ALI1535 is not set
 # CONFIG_I2C_ALI1563 is not set
···
 # CONFIG_I2C_AMD756 is not set
 # CONFIG_I2C_AMD8111 is not set
 CONFIG_I2C_I801=y
-# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_ISCH is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_OCORES is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_I2C_SIMTEC is not set
-# CONFIG_SCx200_ACB is not set
 # CONFIG_I2C_SIS5595 is not set
 # CONFIG_I2C_SIS630 is not set
 # CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_STUB is not set
-# CONFIG_I2C_TINY_USB is not set
 # CONFIG_I2C_VIA is not set
 # CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Graphics adapter I2C/DDC channel drivers
+#
 # CONFIG_I2C_VOODOO3 is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
 # CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
+# CONFIG_SCx200_ACB is not set
 
 #
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
···
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_GPIOLIB is not set
 # CONFIG_W1 is not set
 CONFIG_POWER_SUPPLY=y
 # CONFIG_POWER_SUPPLY_DEBUG is not set
···
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
 
 #
 # Multimedia devices
···
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
 # Multimedia drivers
···
 # CONFIG_FB_SYS_IMAGEBLIT is not set
 # CONFIG_FB_FOREIGN_ENDIAN is not set
 # CONFIG_FB_SYS_FOPS is not set
-CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
 # CONFIG_FB_BACKLIGHT is not set
···
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_ARK is not set
 # CONFIG_FB_PM3 is not set
+# CONFIG_FB_CARMINE is not set
 # CONFIG_FB_GEODE is not set
 # CONFIG_FB_VIRTUAL is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
···
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
 # CONFIG_BACKLIGHT_CORGI is not set
 # CONFIG_BACKLIGHT_PROGEAR is not set
+# CONFIG_BACKLIGHT_MBP_NVIDIA is not set
 
 #
 # Display device support
···
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
 CONFIG_LOGO_LINUX_CLUT224=y
-
-#
-# Sound
-#
 CONFIG_SOUND=y
-
-#
-# Advanced Linux Sound Architecture
-#
 CONFIG_SND=y
 CONFIG_SND_TIMER=y
 CONFIG_SND_PCM=y
···
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
 CONFIG_SND_VMASTER=y
-
-#
-# Generic devices
-#
+CONFIG_SND_DRIVERS=y
 # CONFIG_SND_PCSP is not set
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_VIRMIDI is not set
 # CONFIG_SND_MTPAV is not set
 # CONFIG_SND_SERIAL_U16550 is not set
 # CONFIG_SND_MPU401 is not set
-
-#
-# PCI devices
-#
+CONFIG_SND_PCI=y
 # CONFIG_SND_AD1889 is not set
 # CONFIG_SND_ALS300 is not set
 # CONFIG_SND_ALS4000 is not set
···
 # CONFIG_SND_VIRTUOSO is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
-
-#
-# USB devices
-#
+CONFIG_SND_USB=y
 # CONFIG_SND_USB_AUDIO is not set
 # CONFIG_SND_USB_USX2Y is not set
 # CONFIG_SND_USB_CAIAQ is not set
-
-#
-# PCMCIA devices
-#
+CONFIG_SND_PCMCIA=y
 # CONFIG_SND_VXPOCKET is not set
 # CONFIG_SND_PDAUDIOCF is not set
-
-#
-# System on Chip audio support
-#
 # CONFIG_SND_SOC is not set
-
-#
-# ALSA SoC audio for Freescale SOCs
-#
-
-#
-# SoC Audio for the Texas Instruments OMAP
-#
-
-#
-# Open Sound System
-#
 # CONFIG_SOUND_PRIME is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
···
 # CONFIG_USB_DYNAMIC_MINORS is not set
 CONFIG_USB_SUSPEND=y
 # CONFIG_USB_OTG is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
···
 #
 # CONFIG_USB_ACM is not set
 CONFIG_USB_PRINTER=y
+# CONFIG_USB_WDM is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
···
 # CONFIG_USB_STORAGE_ALAUDA is not set
 # CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_SIERRA is not set
 # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 CONFIG_USB_LIBUSUAL=y
 
···
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
···
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
···
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
···
 #
 # LED drivers
 #
+# CONFIG_LEDS_PCA9532 is not set
 # CONFIG_LEDS_CLEVO_MAIL is not set
+# CONFIG_LEDS_PCA955X is not set
 
 #
 # LED Triggers
···
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
 
 #
 # SPI RTC drivers
···
 # Firmware Drivers
 #
 # CONFIG_EDD is not set
+CONFIG_FIRMWARE_MEMMAP=y
 CONFIG_EFI_VARS=y
 # CONFIG_DELL_RBU is not set
 # CONFIG_DCDBAS is not set
 CONFIG_DMIID=y
-# CONFIG_ISCSI_IBFT_FIND is not set
+CONFIG_ISCSI_IBFT_FIND=y
+CONFIG_ISCSI_IBFT=y
 
 #
 # File systems
···
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_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
-# CONFIG_NFS_FS is not set
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
 # CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
···
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
-# CONFIG_PRINTK_TIME is not set
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
-# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
···
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
···
 # CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SYSPROF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
 CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
 # CONFIG_SAMPLES is not set
-# CONFIG_KGDB is not set
 CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
 # CONFIG_STRICT_DEVMEM is not set
+CONFIG_X86_VERBOSE_BOOTUP=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACK_USAGE=y
 # CONFIG_DEBUG_PAGEALLOC is not set
+# CONFIG_DEBUG_PER_CPU_MAPS is not set
 # CONFIG_X86_PTDUMP is not set
 CONFIG_DEBUG_RODATA=y
 # CONFIG_DEBUG_RODATA_TEST is not set
 CONFIG_DEBUG_NX_TEST=m
 # CONFIG_4KSTACKS is not set
-CONFIG_X86_FIND_SMP_CONFIG=y
-CONFIG_X86_MPPARSE=y
 CONFIG_DOUBLEFAULT=y
+# CONFIG_MMIOTRACE is not set
 CONFIG_IO_DELAY_TYPE_0X80=0
 CONFIG_IO_DELAY_TYPE_0XED=1
 CONFIG_IO_DELAY_TYPE_UDELAY=2
···
 CONFIG_DEFAULT_IO_DELAY_TYPE=0
 CONFIG_DEBUG_BOOT_PARAMS=y
 # CONFIG_CPA_DEBUG is not set
+# CONFIG_OPTIMIZE_INLINING is not set
 
 #
 # Security options
···
 CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
 # CONFIG_SECURITY_NETWORK_XFRM is not set
-CONFIG_SECURITY_CAPABILITIES=y
 CONFIG_SECURITY_FILE_CAPABILITIES=y
 # CONFIG_SECURITY_ROOTPLUG is not set
 CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536
···
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=y
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
···
 # Ciphers
 #
 CONFIG_CRYPTO_AES=y
-# CONFIG_CRYPTO_AES_586 is not set
+CONFIG_CRYPTO_AES_586=y
 # CONFIG_CRYPTO_ANUBIS is not set
 CONFIG_CRYPTO_ARC4=y
 # CONFIG_CRYPTO_BLOWFISH is not set
···
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=y
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set

arch/x86/configs/x86_64_defconfig

···
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc1
-# Sun May  4 19:59:57 2008
+# Linux kernel version: 2.6.27-rc4
+# Mon Aug 25 14:40:46 2008
 #
 CONFIG_64BIT=y
 # CONFIG_X86_32 is not set
 CONFIG_X86_64=y
 CONFIG_X86=y
-CONFIG_DEFCONFIG_LIST="arch/x86/configs/x86_64_defconfig"
+CONFIG_ARCH_DEFCONFIG="arch/x86/configs/x86_64_defconfig"
 # CONFIG_GENERIC_LOCKBREAK is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CMOS_UPDATE=y
···
 CONFIG_X86_BIOS_REBOOT=y
 CONFIG_X86_TRAMPOLINE=y
 # CONFIG_KTIME_SCALAR is not set
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 
 #
 # General setup
···
 CONFIG_CGROUP_NS=y
 # CONFIG_CGROUP_DEVICE is not set
 CONFIG_CPUSETS=y
+CONFIG_HAVE_UNSTABLE_SCHED_CLOCK=y
 CONFIG_GROUP_SCHED=y
 CONFIG_FAIR_GROUP_SCHED=y
 # CONFIG_RT_GROUP_SCHED is not set
···
 # CONFIG_EMBEDDED is not set
 CONFIG_UID16=y
 CONFIG_SYSCTL_SYSCALL=y
-CONFIG_SYSCTL_SYSCALL_CHECK=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
···
 CONFIG_PRINTK=y
 CONFIG_BUG=y
 CONFIG_ELF_CORE=y
+CONFIG_PCSPKR_PLATFORM=y
 # CONFIG_COMPAT_BRK is not set
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
···
 # CONFIG_OPROFILE is not set
 CONFIG_HAVE_OPROFILE=y
 CONFIG_KPROBES=y
+CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS=y
 CONFIG_KRETPROBES=y
+CONFIG_HAVE_IOREMAP_PROT=y
 CONFIG_HAVE_KPROBES=y
 CONFIG_HAVE_KRETPROBES=y
+# CONFIG_HAVE_ARCH_TRACEHOOK is not set
 # CONFIG_HAVE_DMA_ATTRS is not set
+CONFIG_USE_GENERIC_SMP_HELPERS=y
+# CONFIG_HAVE_CLK is not set
 CONFIG_PROC_PAGE_MONITOR=y
+# CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
 CONFIG_RT_MUTEXES=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
+# CONFIG_MODULE_FORCE_LOAD is not set
 CONFIG_MODULE_UNLOAD=y
 CONFIG_MODULE_FORCE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
-# CONFIG_KMOD is not set
+CONFIG_KMOD=y
 CONFIG_STOP_MACHINE=y
 CONFIG_BLOCK=y
 CONFIG_BLK_DEV_IO_TRACE=y
 CONFIG_BLK_DEV_BSG=y
+# CONFIG_BLK_DEV_INTEGRITY is not set
 CONFIG_BLOCK_COMPAT=y
 
 #
···
 CONFIG_HIGH_RES_TIMERS=y
 CONFIG_GENERIC_CLOCKEVENTS_BUILD=y
 CONFIG_SMP=y
+CONFIG_X86_FIND_SMP_CONFIG=y
+CONFIG_X86_MPPARSE=y
 CONFIG_X86_PC=y
 # CONFIG_X86_ELAN is not set
 # CONFIG_X86_VOYAGER is not set
-# CONFIG_X86_NUMAQ is not set
-# CONFIG_X86_SUMMIT is not set
-# CONFIG_X86_BIGSMP is not set
-# CONFIG_X86_VISWS is not set
 # CONFIG_X86_GENERICARCH is not set
-# CONFIG_X86_ES7000 is not set
-# CONFIG_X86_RDC321X is not set
 # CONFIG_X86_VSMP is not set
 # CONFIG_PARAVIRT_GUEST is not set
-CONFIG_MEMTEST_BOOTPARAM=y
-CONFIG_MEMTEST_BOOTPARAM_VALUE=0
+# CONFIG_MEMTEST is not set
 # CONFIG_M386 is not set
 # CONFIG_M486 is not set
 # CONFIG_M586 is not set
···
 CONFIG_X86_INTERNODE_CACHE_BYTES=64
 CONFIG_X86_CMPXCHG=y
 CONFIG_X86_L1_CACHE_SHIFT=6
-CONFIG_X86_GOOD_APIC=y
+CONFIG_X86_WP_WORKS_OK=y
 CONFIG_X86_INTEL_USERCOPY=y
 CONFIG_X86_USE_PPRO_CHECKSUM=y
 CONFIG_X86_P6_NOP=y
 CONFIG_X86_TSC=y
+CONFIG_X86_CMPXCHG64=y
 CONFIG_X86_CMOV=y
 CONFIG_X86_MINIMUM_CPU_FAMILY=64
 CONFIG_X86_DEBUGCTLMSR=y
···
 CONFIG_GART_IOMMU=y
 CONFIG_CALGARY_IOMMU=y
 CONFIG_CALGARY_IOMMU_ENABLED_BY_DEFAULT=y
+CONFIG_AMD_IOMMU=y
 CONFIG_SWIOTLB=y
 CONFIG_IOMMU_HELPER=y
+# CONFIG_MAXSMP is not set
 CONFIG_NR_CPUS=4
 # CONFIG_SCHED_SMT is not set
 CONFIG_SCHED_MC=y
···
 CONFIG_BOUNCE=y
 CONFIG_VIRT_TO_BUS=y
 CONFIG_MTRR=y
+# CONFIG_MTRR_SANITIZER is not set
 # CONFIG_X86_PAT is not set
 CONFIG_EFI=y
 CONFIG_SECCOMP=y
···
 CONFIG_PM_SLEEP_SMP=y
 CONFIG_PM_SLEEP=y
 CONFIG_SUSPEND=y
+# CONFIG_PM_TEST_SUSPEND is not set
 CONFIG_SUSPEND_FREEZER=y
 CONFIG_HIBERNATION=y
 CONFIG_PM_STD_PARTITION=""
···
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
 CONFIG_ACPI_EC=y
+# CONFIG_ACPI_PCI_SLOT is not set
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_SYSTEM=y
 CONFIG_X86_PM_TIMER=y
···
 CONFIG_COMPAT=y
 CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
 CONFIG_SYSVIPC_COMPAT=y
-
-#
-# Networking
-#
 CONFIG_NET=y
 
 #
···
 CONFIG_IP_MULTIPLE_TABLES=y
 CONFIG_IP_ROUTE_MULTIPATH=y
 CONFIG_IP_ROUTE_VERBOSE=y
-# CONFIG_IP_PNP is not set
+CONFIG_IP_PNP=y
+CONFIG_IP_PNP_DHCP=y
+CONFIG_IP_PNP_BOOTP=y
+CONFIG_IP_PNP_RARP=y
 # CONFIG_NET_IPIP is not set
 # CONFIG_NET_IPGRE is not set
 CONFIG_IP_MROUTE=y
···
 # CONFIG_NET_SCH_HTB is not set
 # CONFIG_NET_SCH_HFSC is not set
 # CONFIG_NET_SCH_PRIO is not set
-# CONFIG_NET_SCH_RR is not set
 # CONFIG_NET_SCH_RED is not set
 # CONFIG_NET_SCH_SFQ is not set
 # CONFIG_NET_SCH_TEQL is not set
···
 CONFIG_CFG80211=y
 CONFIG_NL80211=y
 CONFIG_WIRELESS_EXT=y
+CONFIG_WIRELESS_EXT_SYSFS=y
 CONFIG_MAC80211=y
 
 #
 # Rate control algorithm selection
 #
-CONFIG_MAC80211_RC_DEFAULT_PID=y
-# CONFIG_MAC80211_RC_DEFAULT_NONE is not set
-
-#
-# Selecting 'y' for an algorithm will
-#
-
-#
-# build the algorithm into mac80211.
-#
-CONFIG_MAC80211_RC_DEFAULT="pid"
 CONFIG_MAC80211_RC_PID=y
+CONFIG_MAC80211_RC_DEFAULT_PID=y
+CONFIG_MAC80211_RC_DEFAULT="pid"
 # CONFIG_MAC80211_MESH is not set
 CONFIG_MAC80211_LEDS=y
 # CONFIG_MAC80211_DEBUGFS is not set
-# CONFIG_MAC80211_DEBUG_PACKET_ALIGNMENT is not set
-# CONFIG_MAC80211_DEBUG is not set
+# CONFIG_MAC80211_DEBUG_MENU is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
···
 CONFIG_STANDALONE=y
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 CONFIG_FW_LOADER=y
+CONFIG_FIRMWARE_IN_KERNEL=y
+CONFIG_EXTRA_FIRMWARE=""
 # CONFIG_DEBUG_DRIVER is not set
 CONFIG_DEBUG_DEVRES=y
 # CONFIG_SYS_HYPERVISOR is not set
···
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_BLK_DEV_HD is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_IBM_ASM is not set
 # CONFIG_PHANTOM is not set
···
 # CONFIG_ASUS_LAPTOP is not set
 # CONFIG_FUJITSU_LAPTOP is not set
 # CONFIG_MSI_LAPTOP is not set
+# CONFIG_COMPAL_LAPTOP is not set
 # CONFIG_SONY_LAPTOP is not set
 # CONFIG_THINKPAD_ACPI is not set
 # CONFIG_INTEL_MENLOW is not set
 # CONFIG_ENCLOSURE_SERVICES is not set
+# CONFIG_SGI_XP is not set
+# CONFIG_HP_ILO is not set
+# CONFIG_SGI_GRU is not set
 CONFIG_HAVE_IDE=y
 # CONFIG_IDE is not set
 
···
 #
 CONFIG_SCSI_SPI_ATTRS=y
 # CONFIG_SCSI_FC_ATTRS is not set
-# CONFIG_SCSI_ISCSI_ATTRS is not set
+CONFIG_SCSI_ISCSI_ATTRS=y
 # CONFIG_SCSI_SAS_ATTRS is not set
 # CONFIG_SCSI_SAS_LIBSAS is not set
 # CONFIG_SCSI_SRP_ATTRS is not set
 # CONFIG_SCSI_LOWLEVEL is not set
 # CONFIG_SCSI_LOWLEVEL_PCMCIA is not set
+# CONFIG_SCSI_DH is not set
 CONFIG_ATA=y
 # CONFIG_ATA_NONSTANDARD is not set
 CONFIG_ATA_ACPI=y
···
 # CONFIG_PATA_SIS is not set
 # CONFIG_PATA_VIA is not set
 # CONFIG_PATA_WINBOND is not set
+CONFIG_PATA_SCH=y
 CONFIG_MD=y
 CONFIG_BLK_DEV_MD=y
 # CONFIG_MD_LINEAR is not set
···
 #
 # IEEE 1394 (FireWire) support
 #
+
+#
+# Enable only one of the two stacks, unless you know what you are doing
+#
 # CONFIG_FIREWIRE is not set
 # CONFIG_IEEE1394 is not set
 # CONFIG_I2O is not set
 CONFIG_MACINTOSH_DRIVERS=y
 CONFIG_MAC_EMUMOUSEBTN=y
 CONFIG_NETDEVICES=y
-# CONFIG_NETDEVICES_MULTIQUEUE is not set
 # CONFIG_IFB is not set
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
···
 # CONFIG_VETH is not set
 # CONFIG_NET_SB1000 is not set
 # CONFIG_ARCNET is not set
-# CONFIG_PHYLIB is not set
+CONFIG_PHYLIB=y
+
+#
+# MII PHY device drivers
+#
+# CONFIG_MARVELL_PHY is not set
+# CONFIG_DAVICOM_PHY is not set
+# CONFIG_QSEMI_PHY is not set
+# CONFIG_LXT_PHY is not set
+# CONFIG_CICADA_PHY is not set
+# CONFIG_VITESSE_PHY is not set
+# 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
 CONFIG_MII=y
 # CONFIG_HAPPYMEAL is not set
···
 # CONFIG_SIS900 is not set
 # CONFIG_EPIC100 is not set
 # CONFIG_SUNDANCE is not set
+# CONFIG_TLAN is not set
 # CONFIG_VIA_RHINE is not set
 # CONFIG_SC92031 is not set
 CONFIG_NETDEV_1000=y
 # CONFIG_ACENIC is not set
 # CONFIG_DL2K is not set
 CONFIG_E1000=y
-# CONFIG_E1000_NAPI is not set
 # 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_BNX2 is not set
 # CONFIG_QLA3XXX is not set
 # CONFIG_ATL1 is not set
+# CONFIG_ATL1E is not set
 CONFIG_NETDEV_10000=y
 # CONFIG_CHELSIO_T1 is not set
 # CONFIG_CHELSIO_T3 is not set
···
 # CONFIG_RTL8180 is not set
 # CONFIG_RTL8187 is not set
 # CONFIG_ADM8211 is not set
+# CONFIG_MAC80211_HWSIM is not set
 # CONFIG_P54_COMMON is not set
 CONFIG_ATH5K=y
 # CONFIG_ATH5K_DEBUG is not set
-# CONFIG_IWLWIFI is not set
+# CONFIG_ATH9K is not set
 # CONFIG_IWLCORE is not set
 # CONFIG_IWLWIFI_LEDS is not set
-# CONFIG_IWL4965 is not set
+# CONFIG_IWLAGN is not set
 # CONFIG_IWL3945 is not set
 # CONFIG_HOSTAP is not set
 # CONFIG_B43 is not set
···
 # CONFIG_MOUSE_PS2_TOUCHKIT is not set
 # CONFIG_MOUSE_SERIAL is not set
 # CONFIG_MOUSE_APPLETOUCH is not set
+# CONFIG_MOUSE_BCM5974 is not set
 # CONFIG_MOUSE_VSXXXAA is not set
 CONFIG_INPUT_JOYSTICK=y
 # CONFIG_JOYSTICK_ANALOG is not set
···
 # CONFIG_TOUCHSCREEN_GUNZE is not set
 # CONFIG_TOUCHSCREEN_ELO is not set
 # CONFIG_TOUCHSCREEN_MTOUCH is not set
+# CONFIG_TOUCHSCREEN_INEXIO is not set
 # CONFIG_TOUCHSCREEN_MK712 is not set
 # CONFIG_TOUCHSCREEN_PENMOUNT is not set
 # CONFIG_TOUCHSCREEN_TOUCHRIGHT is not set
 # CONFIG_TOUCHSCREEN_TOUCHWIN is not set
 # CONFIG_TOUCHSCREEN_UCB1400 is not set
 # CONFIG_TOUCHSCREEN_USB_COMPOSITE is not set
+# CONFIG_TOUCHSCREEN_TOUCHIT213 is not set
 CONFIG_INPUT_MISC=y
 # CONFIG_INPUT_PCSPKR is not set
 # CONFIG_INPUT_APANEL is not set
···
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
···
 # CONFIG_PC8736x_GPIO is not set
 # CONFIG_RAW_DRIVER is not set
 CONFIG_HPET=y
-# CONFIG_HPET_RTC_IRQ is not set
 # CONFIG_HPET_MMAP is not set
 # CONFIG_HANGCHECK_TIMER is not set
 # CONFIG_TCG_TPM is not set
···
 CONFIG_I2C=y
 CONFIG_I2C_BOARDINFO=y
 # CONFIG_I2C_CHARDEV is not set
+CONFIG_I2C_HELPER_AUTO=y
 
 #
 # I2C Hardware Bus support
+#
+
+#
+# PC SMBus host controller drivers
 #
 # CONFIG_I2C_ALI1535 is not set
 # CONFIG_I2C_ALI1563 is not set
···
 # CONFIG_I2C_AMD756 is not set
 # CONFIG_I2C_AMD8111 is not set
 CONFIG_I2C_I801=y
-# CONFIG_I2C_I810 is not set
+# CONFIG_I2C_ISCH is not set
 # CONFIG_I2C_PIIX4 is not set
 # CONFIG_I2C_NFORCE2 is not set
-# CONFIG_I2C_OCORES is not set
-# CONFIG_I2C_PARPORT_LIGHT is not set
-# CONFIG_I2C_PROSAVAGE is not set
-# CONFIG_I2C_SAVAGE4 is not set
-# CONFIG_I2C_SIMTEC is not set
 # CONFIG_I2C_SIS5595 is not set
 # CONFIG_I2C_SIS630 is not set
 # CONFIG_I2C_SIS96X is not set
-# CONFIG_I2C_TAOS_EVM is not set
-# CONFIG_I2C_STUB is not set
-# CONFIG_I2C_TINY_USB is not set
 # CONFIG_I2C_VIA is not set
 # CONFIG_I2C_VIAPRO is not set
+
+#
+# I2C system bus drivers (mostly embedded / system-on-chip)
+#
+# CONFIG_I2C_OCORES is not set
+# CONFIG_I2C_SIMTEC is not set
+
+#
+# External I2C/SMBus adapter drivers
+#
+# CONFIG_I2C_PARPORT_LIGHT is not set
+# CONFIG_I2C_TAOS_EVM is not set
+# CONFIG_I2C_TINY_USB is not set
+
+#
+# Graphics adapter I2C/DDC channel drivers
+#
 # CONFIG_I2C_VOODOO3 is not set
+
+#
+# Other I2C/SMBus bus drivers
+#
 # CONFIG_I2C_PCA_PLATFORM is not set
+# CONFIG_I2C_STUB is not set
 
 #
 # Miscellaneous I2C Chip support
 #
 # CONFIG_DS1682 is not set
+# CONFIG_AT24 is not set
 # CONFIG_SENSORS_EEPROM is not set
 # CONFIG_SENSORS_PCF8574 is not set
 # CONFIG_PCF8575 is not set
+# CONFIG_SENSORS_PCA9539 is not set
 # CONFIG_SENSORS_PCF8591 is not set
 # CONFIG_SENSORS_MAX6875 is not set
 # CONFIG_SENSORS_TSL2550 is not set
···
 # CONFIG_I2C_DEBUG_BUS is not set
 # CONFIG_I2C_DEBUG_CHIP is not set
 # CONFIG_SPI is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_GPIOLIB is not set
 # CONFIG_W1 is not set
 CONFIG_POWER_SUPPLY=y
 # CONFIG_POWER_SUPPLY_DEBUG is not set
···
 #
 # Multifunction device drivers
 #
+# CONFIG_MFD_CORE is not set
 # CONFIG_MFD_SM501 is not set
 # CONFIG_HTC_PASIC3 is not set
+# CONFIG_MFD_TMIO is not set
 
 #
 # Multimedia devices
···
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 
 #
 # Multimedia drivers
···
 # CONFIG_FB_SYS_IMAGEBLIT is not set
 # CONFIG_FB_FOREIGN_ENDIAN is not set
 # CONFIG_FB_SYS_FOPS is not set
-CONFIG_FB_DEFERRED_IO=y
 # CONFIG_FB_SVGALIB is not set
 # CONFIG_FB_MACMODES is not set
 # CONFIG_FB_BACKLIGHT is not set
···
 # CONFIG_FB_TRIDENT is not set
 # CONFIG_FB_ARK is not set
 # CONFIG_FB_PM3 is not set
+# CONFIG_FB_CARMINE is not set
 # CONFIG_FB_GEODE is not set
 # CONFIG_FB_VIRTUAL is not set
 CONFIG_BACKLIGHT_LCD_SUPPORT=y
···
 CONFIG_BACKLIGHT_CLASS_DEVICE=y
 # CONFIG_BACKLIGHT_CORGI is not set
 # CONFIG_BACKLIGHT_PROGEAR is not set
+# CONFIG_BACKLIGHT_MBP_NVIDIA is not set
 
 #
 # Display device support
···
 # CONFIG_LOGO_LINUX_MONO is not set
 # CONFIG_LOGO_LINUX_VGA16 is not set
 CONFIG_LOGO_LINUX_CLUT224=y
-
-#
-# Sound
-#
 CONFIG_SOUND=y
-
-#
-# Advanced Linux Sound Architecture
-#
 CONFIG_SND=y
 CONFIG_SND_TIMER=y
 CONFIG_SND_PCM=y
···
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
 CONFIG_SND_VMASTER=y
-
-#
-# Generic devices
-#
+CONFIG_SND_DRIVERS=y
 # CONFIG_SND_PCSP is not set
 # CONFIG_SND_DUMMY is not set
 # CONFIG_SND_VIRMIDI is not set
 # CONFIG_SND_MTPAV is not set
 # CONFIG_SND_SERIAL_U16550 is not set
 # CONFIG_SND_MPU401 is not set
-
-#
-# PCI devices
-#
+CONFIG_SND_PCI=y
 # CONFIG_SND_AD1889 is not set
 # CONFIG_SND_ALS300 is not set
 # CONFIG_SND_ALS4000 is not set
···
 # CONFIG_SND_VIRTUOSO is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
-
-#
-# USB devices
-#
+CONFIG_SND_USB=y
 # CONFIG_SND_USB_AUDIO is not set
 # CONFIG_SND_USB_USX2Y is not set
 # CONFIG_SND_USB_CAIAQ is not set
-
-#
-# PCMCIA devices
-#
+CONFIG_SND_PCMCIA=y
 # CONFIG_SND_VXPOCKET is not set
 # CONFIG_SND_PDAUDIOCF is not set
-
-#
-# System on Chip audio support
-#
 # CONFIG_SND_SOC is not set
-
-#
-# ALSA SoC audio for Freescale SOCs
-#
-
-#
-# SoC Audio for the Texas Instruments OMAP
-#
-
-#
-# Open Sound System
-#
 # CONFIG_SOUND_PRIME is not set
 CONFIG_HID_SUPPORT=y
 CONFIG_HID=y
···
 # CONFIG_USB_DYNAMIC_MINORS is not set
 CONFIG_USB_SUSPEND=y
 # CONFIG_USB_OTG is not set
+CONFIG_USB_MON=y
 
 #
 # USB Host Controller Drivers
···
 #
 # CONFIG_USB_ACM is not set
 CONFIG_USB_PRINTER=y
+# CONFIG_USB_WDM is not set
 
 #
 # NOTE: USB_STORAGE enables SCSI, and 'SCSI disk support'
···
 # CONFIG_USB_STORAGE_ALAUDA is not set
 # CONFIG_USB_STORAGE_ONETOUCH is not set
 # CONFIG_USB_STORAGE_KARMA is not set
+# CONFIG_USB_STORAGE_SIERRA is not set
 # CONFIG_USB_STORAGE_CYPRESS_ATACB is not set
 CONFIG_USB_LIBUSUAL=y
 
···
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 
 #
 # USB port drivers
···
 # CONFIG_USB_EMI62 is not set
 # CONFIG_USB_EMI26 is not set
 # CONFIG_USB_ADUTUX is not set
-# CONFIG_USB_AUERSWALD is not set
 # CONFIG_USB_RIO500 is not set
 # CONFIG_USB_LEGOTOWER is not set
 # CONFIG_USB_LCD is not set
···
 # CONFIG_USB_TRANCEVIBRATOR is not set
 # CONFIG_USB_IOWARRIOR is not set
 # CONFIG_USB_TEST is not set
+# CONFIG_USB_ISIGHTFW is not set
 # CONFIG_USB_GADGET is not set
 # CONFIG_MMC is not set
 # CONFIG_MEMSTICK is not set
···
 #
 # LED drivers
 #
+# CONFIG_LEDS_PCA9532 is not set
 # CONFIG_LEDS_CLEVO_MAIL is not set
+# CONFIG_LEDS_PCA955X is not set
 
 #
 # LED Triggers
···
 # CONFIG_RTC_DRV_PCF8583 is not set
 # CONFIG_RTC_DRV_M41T80 is not set
 # CONFIG_RTC_DRV_S35390A is not set
+# CONFIG_RTC_DRV_FM3130 is not set
 
 #
 # SPI RTC drivers
···
 # Firmware Drivers
 #
 # CONFIG_EDD is not set
+CONFIG_FIRMWARE_MEMMAP=y
 CONFIG_EFI_VARS=y
 # CONFIG_DELL_RBU is not set
 # CONFIG_DCDBAS is not set
 CONFIG_DMIID=y
-# CONFIG_ISCSI_IBFT_FIND is not set
+CONFIG_ISCSI_IBFT_FIND=y
+CONFIG_ISCSI_IBFT=y
 
 #
 # File systems
···
 # CONFIG_CRAMFS is not set
 # CONFIG_VXFS_FS is not set
 # CONFIG_MINIX_FS is not set
+# CONFIG_OMFS_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
-# CONFIG_NFS_FS is not set
+CONFIG_NFS_FS=y
+CONFIG_NFS_V3=y
+CONFIG_NFS_V3_ACL=y
+CONFIG_NFS_V4=y
+CONFIG_ROOT_NFS=y
 # CONFIG_NFSD is not set
+CONFIG_LOCKD=y
+CONFIG_LOCKD_V4=y
+CONFIG_NFS_ACL_SUPPORT=y
+CONFIG_NFS_COMMON=y
+CONFIG_SUNRPC=y
+CONFIG_SUNRPC_GSS=y
+CONFIG_RPCSEC_GSS_KRB5=y
+# CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
 # CONFIG_CIFS is not set
 # CONFIG_NCP_FS is not set
···
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
-# CONFIG_PRINTK_TIME is not set
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
-# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_PRINTK_TIME=y
+CONFIG_ENABLE_WARN_DEPRECATED=y
+CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
···
 # CONFIG_DEBUG_INFO is not set
 # CONFIG_DEBUG_VM is not set
 # CONFIG_DEBUG_WRITECOUNT is not set
+CONFIG_DEBUG_MEMORY_INIT=y
 # CONFIG_DEBUG_LIST is not set
 # CONFIG_DEBUG_SG is not set
 CONFIG_FRAME_POINTER=y
···
 # CONFIG_LKDTM is not set
 # CONFIG_FAULT_INJECTION is not set
 # CONFIG_LATENCYTOP is not set
+CONFIG_SYSCTL_SYSCALL_CHECK=y
+CONFIG_HAVE_FTRACE=y
+CONFIG_HAVE_DYNAMIC_FTRACE=y
+# CONFIG_FTRACE is not set
+# CONFIG_IRQSOFF_TRACER is not set
+# CONFIG_SYSPROF_TRACER is not set
+# CONFIG_SCHED_TRACER is not set
+# CONFIG_CONTEXT_SWITCH_TRACER is not set
 CONFIG_PROVIDE_OHCI1394_DMA_INIT=y
 # CONFIG_SAMPLES is not set
-# CONFIG_KGDB is not set
 CONFIG_HAVE_ARCH_KGDB=y
+# CONFIG_KGDB is not set
 # CONFIG_STRICT_DEVMEM is not set
+CONFIG_X86_VERBOSE_BOOTUP=y
 CONFIG_EARLY_PRINTK=y
 CONFIG_DEBUG_STACKOVERFLOW=y
 CONFIG_DEBUG_STACK_USAGE=y
···
 # CONFIG_DIRECT_GBPAGES is not set
 # CONFIG_DEBUG_RODATA_TEST is not set
 CONFIG_DEBUG_NX_TEST=m
-CONFIG_X86_MPPARSE=y
 # CONFIG_IOMMU_DEBUG is not set
+# CONFIG_MMIOTRACE is not set
 CONFIG_IO_DELAY_TYPE_0X80=0
 CONFIG_IO_DELAY_TYPE_0XED=1
 CONFIG_IO_DELAY_TYPE_UDELAY=2
···
 CONFIG_DEFAULT_IO_DELAY_TYPE=0
 CONFIG_DEBUG_BOOT_PARAMS=y
 # CONFIG_CPA_DEBUG is not set
+# CONFIG_OPTIMIZE_INLINING is not set
 
 #
 # Security options
···
 CONFIG_SECURITY=y
 CONFIG_SECURITY_NETWORK=y
 # CONFIG_SECURITY_NETWORK_XFRM is not set
-CONFIG_SECURITY_CAPABILITIES=y
 CONFIG_SECURITY_FILE_CAPABILITIES=y
 # CONFIG_SECURITY_ROOTPLUG is not set
 CONFIG_SECURITY_DEFAULT_MMAP_MIN_ADDR=65536
···
 # CONFIG_CRYPTO_MD4 is not set
 CONFIG_CRYPTO_MD5=y
 # CONFIG_CRYPTO_MICHAEL_MIC is not set
+# CONFIG_CRYPTO_RMD128 is not set
+# CONFIG_CRYPTO_RMD160 is not set
+# CONFIG_CRYPTO_RMD256 is not set
+# CONFIG_CRYPTO_RMD320 is not set
 CONFIG_CRYPTO_SHA1=y
 # CONFIG_CRYPTO_SHA256 is not set
 # CONFIG_CRYPTO_SHA512 is not set
···
 CONFIG_GENERIC_FIND_NEXT_BIT=y
 # CONFIG_CRC_CCITT is not set
 # CONFIG_CRC16 is not set
+CONFIG_CRC_T10DIF=y
 # CONFIG_CRC_ITU_T is not set
 CONFIG_CRC32=y
 # CONFIG_CRC7 is not set

arch/x86/kernel/cpuid.c

···
 	struct cpuid_regs cmd;
 	int cpu = iminor(file->f_path.dentry->d_inode);
 	u64 pos = *ppos;
+	ssize_t bytes = 0;
+	int err = 0;
 
 	if (count % 16)
 		return -EINVAL;	/* Invalid chunk size */
···
 	for (; count; count -= 16) {
 		cmd.eax = pos;
 		cmd.ecx = pos >> 32;
-		smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1);
-		if (copy_to_user(tmp, &cmd, 16))
-			return -EFAULT;
+		err = smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1);
+		if (err)
+			break;
+		if (copy_to_user(tmp, &cmd, 16)) {
+			err = -EFAULT;
+			break;
+		}
 		tmp += 16;
+		bytes += 16;
 		*ppos = ++pos;
 	}
 
-	return tmp - buf;
+	return bytes ? bytes : err;
 }
 
 static int cpuid_open(struct inode *inode, struct file *file)

arch/x86/kernel/msr.c

···
 	u32 data[2];
 	u32 reg = *ppos;
 	int cpu = iminor(file->f_path.dentry->d_inode);
-	int err;
+	int err = 0;
+	ssize_t bytes = 0;
 
 	if (count % 8)
 		return -EINVAL;	/* Invalid chunk size */
 
 	for (; count; count -= 8) {
 		err = rdmsr_safe_on_cpu(cpu, reg, &data[0], &data[1]);
-		if (err)
-			return -EIO;
-		if (copy_to_user(tmp, &data, 8))
-			return -EFAULT;
+		if (err) {
+			if (err == -EFAULT) /* Fix idiotic error code */
+				err = -EIO;
+			break;
+		}
+		if (copy_to_user(tmp, &data, 8)) {
+			err = -EFAULT;
+			break;
+		}
 		tmp += 2;
+		bytes += 8;
 	}
 
-	return ((char __user *)tmp) - buf;
+	return bytes ? bytes : err;
 }
 
 static ssize_t msr_write(struct file *file, const char __user *buf,
···
 	u32 data[2];
 	u32 reg = *ppos;
 	int cpu = iminor(file->f_path.dentry->d_inode);
-	int err;
+	int err = 0;
+	ssize_t bytes = 0;
 
 	if (count % 8)
 		return -EINVAL;	/* Invalid chunk size */
 
 	for (; count; count -= 8) {
-		if (copy_from_user(&data, tmp, 8))
-			return -EFAULT;
+		if (copy_from_user(&data, tmp, 8)) {
+			err = -EFAULT;
+			break;
+		}
 		err = wrmsr_safe_on_cpu(cpu, reg, data[0], data[1]);
-		if (err)
-			return -EIO;
+		if (err) {
+			if (err == -EFAULT) /* Fix idiotic error code */
+				err = -EIO;
+			break;
+		}
 		tmp += 2;
+		bytes += 8;
 	}
 
-	return ((char __user *)tmp) - buf;
+	return bytes ? bytes : err;
 }
 
 static int msr_open(struct inode *inode, struct file *file)

arch/x86/lib/msr-on-cpu.c

···
 
 	rv.msr_no = msr_no;
 	if (safe) {
-		smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1);
-		err = rv.err;
+		err = smp_call_function_single(cpu, __rdmsr_safe_on_cpu,
+					       &rv, 1);
+		err = err ? err : rv.err;
 	} else {
-		smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1);
+		err = smp_call_function_single(cpu, __rdmsr_on_cpu, &rv, 1);
 	}
 	*l = rv.l;
 	*h = rv.h;
···
 	rv.l = l;
 	rv.h = h;
 	if (safe) {
-		smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1);
-		err = rv.err;
+		err = smp_call_function_single(cpu, __wrmsr_safe_on_cpu,
+					       &rv, 1);
+		err = err ? err : rv.err;
 	} else {
-		smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1);
+		err = smp_call_function_single(cpu, __wrmsr_on_cpu, &rv, 1);
 	}
 
 	return err;
 }
 
-void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
+int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 {
-	_wrmsr_on_cpu(cpu, msr_no, l, h, 0);
+	return _wrmsr_on_cpu(cpu, msr_no, l, h, 0);
 }
 
-void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
+int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
 {
-	_rdmsr_on_cpu(cpu, msr_no, l, h, 0);
+	return _rdmsr_on_cpu(cpu, msr_no, l, h, 0);
 }
 
 /* These "safe" variants are slower and should be used when the target MSR

include/asm-x86/msr.h

···
 {
 	DECLARE_ARGS(val, low, high);
 
-	asm volatile("2: rdmsr ; xor %0,%0\n"
+	asm volatile("2: rdmsr ; xor %[err],%[err]\n"
 		     "1:\n\t"
 		     ".section .fixup,\"ax\"\n\t"
-		     "3:  mov %3,%0 ; jmp 1b\n\t"
+		     "3:  mov %[fault],%[err] ; jmp 1b\n\t"
 		     ".previous\n\t"
 		     _ASM_EXTABLE(2b, 3b)
-		     : "=r" (*err), EAX_EDX_RET(val, low, high)
-		     : "c" (msr), "i" (-EFAULT));
+		     : [err] "=r" (*err), EAX_EDX_RET(val, low, high)
+		     : "c" (msr), [fault] "i" (-EFAULT));
 	return EAX_EDX_VAL(val, low, high);
 }
 
···
 					unsigned low, unsigned high)
 {
 	int err;
-	asm volatile("2: wrmsr ; xor %0,%0\n"
+	asm volatile("2: wrmsr ; xor %[err],%[err]\n"
 		     "1:\n\t"
 		     ".section .fixup,\"ax\"\n\t"
-		     "3:  mov %4,%0 ; jmp 1b\n\t"
+		     "3:  mov %[fault],%[err] ; jmp 1b\n\t"
 		     ".previous\n\t"
 		     _ASM_EXTABLE(2b, 3b)
-		     : "=a" (err)
+		     : [err] "=a" (err)
 		     : "c" (msr), "0" (low), "d" (high),
-		       "i" (-EFAULT)
+		       [fault] "i" (-EFAULT)
 		     : "memory");
 	return err;
 }
···
 #define write_rdtscp_aux(val) wrmsr(0xc0000103, (val), 0)
 
 #ifdef CONFIG_SMP
-void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
-void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
+int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
+int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
 int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h);
-
 int wrmsr_safe_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h);
 #else  /*  CONFIG_SMP  */
-static inline void rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
+static inline int rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h)
 {
 	rdmsr(msr_no, *l, *h);
+	return 0;
 }
-static inline void wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
+static inline int wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h)
 {
 	wrmsr(msr_no, l, h);
+	return 0;
 }
 static inline int rdmsr_safe_on_cpu(unsigned int cpu, u32 msr_no,
 				    u32 *l, u32 *h)

kernel/smp.c

···
 {
 	struct call_single_data d;
 	unsigned long flags;
-	/* prevent preemption and reschedule on another processor */
+	/* prevent preemption and reschedule on another processor,
+	   as well as CPU removal */
 	int me = get_cpu();
+	int err = 0;
 
 	/* Can deadlock when called with interrupts disabled */
 	WARN_ON(irqs_disabled());
···
 		local_irq_save(flags);
 		func(info);
 		local_irq_restore(flags);
-	} else {
+	} else if ((unsigned)cpu < NR_CPUS && cpu_online(cpu)) {
 		struct call_single_data *data = NULL;
 
 		if (!wait) {
···
 		data->func = func;
 		data->info = info;
 		generic_exec_single(cpu, data);
+	} else {
+		err = -ENXIO;	/* CPU not online */
 	}
 
 	put_cpu();
-	return 0;
+	return err;
 }
 EXPORT_SYMBOL(smp_call_function_single);