68 files changed, 1217 insertions, 702 deletions
diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig
index ac2fb0641a04..ed92864d1325 100644
--- a/arch/x86/Kconfig
+++ b/arch/x86/Kconfig
@@ -577,35 +577,29 @@ config SWIOTLB
 config IOMMU_HELPER
        def_bool (CALGARY_IOMMU || GART_IOMMU || SWIOTLB || AMD_IOMMU)
 config MAXSMP
        bool "Configure Maximum number of SMP Processors and NUMA Nodes"
-        depends on X86_64 && SMP
+        depends on X86_64 && SMP && BROKEN
        default n
        help
          Configure maximum number of CPUS and NUMA Nodes for this architecture.
          If unsure, say N.
-if MAXSMP
-config NR_CPUS
-        int
-        default "4096"
-endif
-if !MAXSMP
 config NR_CPUS
-        int "Maximum number of CPUs (2-4096)"
+        int "Maximum number of CPUs (2-512)" if !MAXSMP
-        range 2 4096
+        range 2 512
        depends on SMP
+        default "4096" if MAXSMP
        default "32" if X86_NUMAQ || X86_SUMMIT || X86_BIGSMP || X86_ES7000
        default "8"
        help
          This allows you to specify the maximum number of CPUs which this
-          kernel will support.  The maximum supported value is 4096 and the
+          kernel will support.  The maximum supported value is 512 and the
          minimum value which makes sense is 2.
          This is purely to save memory - each supported CPU adds
          approximately eight kilobytes to the kernel image.
-endif
 config SCHED_SMT
        bool "SMT (Hyperthreading) scheduler support"
@@ -951,9 +945,9 @@ config NUMA
          local memory controller of the CPU and add some more
          NUMA awareness to the kernel.
-          For i386 this is currently highly experimental and should be only
+          For 32-bit this is currently highly experimental and should be only
          used for kernel development. It might also cause boot failures.
-          For x86_64 this is recommended on all multiprocessor Opteron systems.
+          For 64-bit this is recommended on all multiprocessor Opteron systems.
          If the system is EM64T, you should say N unless your system is
          EM64T NUMA.
@@ -996,17 +990,10 @@ config NUMA_EMU
          into virtual nodes when booted with "numa=fake=N", where N is the
          number of nodes. This is only useful for debugging.
-if MAXSMP
 config NODES_SHIFT
-        int
+        int "Maximum NUMA Nodes (as a power of 2)" if !MAXSMP
-        default "9"
-endif
-if !MAXSMP
-config NODES_SHIFT
-        int "Maximum NUMA Nodes (as a power of 2)"
        range 1 9   if X86_64
+        default "9" if MAXSMP
        default "6" if X86_64
        default "4" if X86_NUMAQ
        default "3"
@@ -1014,7 +1001,6 @@ config NODES_SHIFT
        help
          Specify the maximum number of NUMA Nodes available on the target
          system.  Increases memory reserved to accomodate various tables.
-endif
 config HAVE_ARCH_BOOTMEM_NODE
        def_bool y
@@ -1263,7 +1249,7 @@ config KEXEC
          strongly in flux, so no good recommendation can be made.
 config CRASH_DUMP
-        bool "kernel crash dumps (EXPERIMENTAL)"
+        bool "kernel crash dumps"
        depends on X86_64 || (X86_32 && HIGHMEM)
        help
          Generate crash dump after being started by kexec.
diff --git a/arch/x86/boot/boot.h b/arch/x86/boot/boot.h
index a34b9982c7cb..cc0ef13fba7a 100644
--- a/arch/x86/boot/boot.h
+++ b/arch/x86/boot/boot.h
@@ -24,10 +24,14 @@
 #include <linux/edd.h>
 #include <asm/boot.h>
 #include <asm/setup.h>
+#include "bitops.h"
+#include <asm/cpufeature.h>
 /* Useful macros */
 #define BUILD_BUG_ON(condition) ((void)sizeof(char[1 - 2*!!(condition)]))
+#define ARRAY_SIZE(x) (sizeof(x) / sizeof(*(x)))
 extern struct setup_header hdr;
 extern struct boot_params boot_params;
@@ -242,6 +246,12 @@ int cmdline_find_option(const char *option, char *buffer, int bufsize);
 int cmdline_find_option_bool(const char *option);
 /* cpu.c, cpucheck.c */
+struct cpu_features {
+        int level;              /* Family, or 64 for x86-64 */
+        int model;
+        u32 flags[NCAPINTS];
+};
+extern struct cpu_features cpu;
 int check_cpu(int *cpu_level_ptr, int *req_level_ptr, u32 **err_flags_ptr);
 int validate_cpu(void);
diff --git a/arch/x86/boot/cpu.c b/arch/x86/boot/cpu.c
index 92d6fd73dc7d..75298fe2edca 100644
--- a/arch/x86/boot/cpu.c
+++ b/arch/x86/boot/cpu.c
@@ -16,9 +16,6 @@
 */
 #include "boot.h"
-#include "bitops.h"
-#include <asm/cpufeature.h>
 #include "cpustr.h"
 static char *cpu_name(int level)
diff --git a/arch/x86/boot/cpucheck.c b/arch/x86/boot/cpucheck.c
index 7804389ee005..4b9ae7c56748 100644
--- a/arch/x86/boot/cpucheck.c
+++ b/arch/x86/boot/cpucheck.c
@@ -22,21 +22,13 @@
 #ifdef _SETUP
 # include "boot.h"
-# include "bitops.h"
 #endif
 #include <linux/types.h>
-#include <asm/cpufeature.h>
 #include <asm/processor-flags.h>
 #include <asm/required-features.h>
 #include <asm/msr-index.h>
-struct cpu_features {
+struct cpu_features cpu;
-        int level;              /* Family, or 64 for x86-64 */
-        int model;
-        u32 flags[NCAPINTS];
-};
-static struct cpu_features cpu;
 static u32 cpu_vendor[3];
 static u32 err_flags[NCAPINTS];
diff --git a/arch/x86/boot/main.c b/arch/x86/boot/main.c
index 2296164b54d2..197421db1af1 100644
--- a/arch/x86/boot/main.c
+++ b/arch/x86/boot/main.c
@@ -73,6 +73,11 @@ static void keyboard_set_repeat(void)
 */
 static void query_ist(void)
 {
+        /* Some older BIOSes apparently crash on this call, so filter
+           it from machines too old to have SpeedStep at all. */
+        if (cpu.level < 6)
+                return;
        asm("int $0x15"
            : "=a" (boot_params.ist_info.signature),
              "=b" (boot_params.ist_info.command),
diff --git a/arch/x86/boot/memory.c b/arch/x86/boot/memory.c
index 53165c97336b..8c3c25f35578 100644
--- a/arch/x86/boot/memory.c
+++ b/arch/x86/boot/memory.c
@@ -13,7 +13,6 @@
 */
 #include "boot.h"
-#include <linux/kernel.h>
 #define SMAP    0x534d4150      /* ASCII "SMAP" */
diff --git a/arch/x86/configs/i386_defconfig b/arch/x86/configs/i386_defconfig
index 4d73f53287b6..104275e191a8 100644
--- a/arch/x86/configs/i386_defconfig
+++ b/arch/x86/configs/i386_defconfig
@@ -1,13 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc1
+# Linux kernel version: 2.6.27-rc4
-# Sun May  4 19:59:02 2008
+# Mon Aug 25 15:04:00 2008
 #
 # CONFIG_64BIT is not set
 CONFIG_X86_32=y
 # CONFIG_X86_64 is not set
 CONFIG_X86=y
-CONFIG_DEFCONFIG_LIST="arch/x86/configs/i386_defconfig"
+CONFIG_ARCH_DEFCONFIG="arch/x86/configs/i386_defconfig"
 # CONFIG_GENERIC_LOCKBREAK is not set
 CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CMOS_UPDATE=y
@@ -53,6 +53,7 @@ CONFIG_X86_HT=y
 CONFIG_X86_BIOS_REBOOT=y
 CONFIG_X86_TRAMPOLINE=y
 CONFIG_KTIME_SCALAR=y
+CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
 #
 # General setup
@@ -82,6 +83,7 @@ CONFIG_CGROUPS=y
 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
@@ -105,7 +107,6 @@ CONFIG_SYSCTL=y
 # 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
@@ -113,6 +114,7 @@ CONFIG_HOTPLUG=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
@@ -132,27 +134,35 @@ CONFIG_MARKERS=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
@@ -176,19 +186,17 @@ CONFIG_NO_HZ=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_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
@@ -215,21 +223,19 @@ CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
 # 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
@@ -247,7 +253,7 @@ CONFIG_X86_IO_APIC=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
@@ -256,32 +262,28 @@ CONFIG_HIGHMEM4G=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_MANUAL is not set
-CONFIG_SPARSEMEM=y
+CONFIG_FLATMEM=y
-CONFIG_HAVE_MEMORY_PRESENT=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
@@ -293,6 +295,7 @@ CONFIG_HZ=1000
 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
@@ -312,6 +315,7 @@ CONFIG_PM_TRACE_RTC=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=""
@@ -337,6 +341,7 @@ CONFIG_ACPI_THERMAL=y
 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
@@ -395,8 +400,8 @@ CONFIG_PCI=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
@@ -448,10 +453,6 @@ CONFIG_HOTPLUG_PCI=y
 CONFIG_BINFMT_ELF=y
 # CONFIG_BINFMT_AOUT is not set
 CONFIG_BINFMT_MISC=y
-#
-# Networking
-#
 CONFIG_NET=y
 #
@@ -475,7 +476,10 @@ CONFIG_IP_FIB_HASH=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
@@ -618,7 +622,6 @@ CONFIG_NET_SCHED=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
@@ -680,28 +683,19 @@ CONFIG_FIB_RULES=y
 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_PID=y
 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_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_MENU is not set
-# CONFIG_MAC80211_DEBUG is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
@@ -717,6 +711,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 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
@@ -749,6 +745,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
 # 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
@@ -760,10 +757,12 @@ CONFIG_MISC_DEVICES=y
 # 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
@@ -802,12 +801,13 @@ CONFIG_SCSI_WAIT_SCAN=m
 #
 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
@@ -842,7 +842,7 @@ CONFIG_PATA_AMD=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
@@ -852,7 +852,7 @@ CONFIG_PATA_AMD=y
 # 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
@@ -871,6 +871,7 @@ CONFIG_PATA_OLDPIIX=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
@@ -894,13 +895,16 @@ CONFIG_DM_ZERO=y
 #
 # 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
@@ -910,7 +914,23 @@ CONFIG_NETDEVICES=y
 # 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
@@ -943,10 +963,10 @@ CONFIG_FORCEDETH=y
 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
@@ -961,25 +981,24 @@ 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=y
-# 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
-# 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
@@ -1019,13 +1038,14 @@ CONFIG_WLAN_80211=y
 # 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
@@ -1105,6 +1125,7 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
 # 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
@@ -1139,12 +1160,14 @@ CONFIG_INPUT_TOUCHSCREEN=y
 # 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
@@ -1173,6 +1196,7 @@ CONFIG_SERIO_LIBPS2=y
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
@@ -1223,8 +1247,8 @@ CONFIG_UNIX98_PTYS=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_INTEL=y
-# CONFIG_HW_RANDOM_AMD is not set
+CONFIG_HW_RANDOM_AMD=y
 CONFIG_HW_RANDOM_GEODE=y
 CONFIG_HW_RANDOM_VIA=y
 CONFIG_NVRAM=y
@@ -1245,7 +1269,6 @@ 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
@@ -1254,43 +1277,64 @@ CONFIG_DEVPORT=y
 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_ALI15X3 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
@@ -1299,6 +1343,8 @@ CONFIG_I2C_I801=y
 # 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
@@ -1360,8 +1406,10 @@ CONFIG_SSB_POSSIBLE=y
 #
 # 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
@@ -1372,6 +1420,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 #
 # Multimedia drivers
@@ -1418,7 +1467,6 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # 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
@@ -1463,6 +1511,7 @@ CONFIG_FB_EFI=y
 # 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
@@ -1470,6 +1519,7 @@ 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
@@ -1489,15 +1539,7 @@ CONFIG_LOGO=y
 # 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
@@ -1515,20 +1557,14 @@ CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
 CONFIG_SND_VMASTER=y
+CONFIG_SND_DRIVERS=y
-#
-# Generic devices
-#
 # 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
+CONFIG_SND_PCI=y
-#
-# PCI devices
-#
 # CONFIG_SND_AD1889 is not set
 # CONFIG_SND_ALS300 is not set
 # CONFIG_SND_ALS4000 is not set
@@ -1603,36 +1639,14 @@ CONFIG_SND_HDA_GENERIC=y
 # CONFIG_SND_VIRTUOSO is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
+CONFIG_SND_USB=y
-#
-# USB devices
-#
 # CONFIG_SND_USB_AUDIO is not set
 # CONFIG_SND_USB_USX2Y is not set
 # CONFIG_SND_USB_CAIAQ is not set
+CONFIG_SND_PCMCIA=y
-#
-# PCMCIA devices
-#
 # 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
@@ -1668,6 +1682,7 @@ CONFIG_USB_DEVICEFS=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
@@ -1691,6 +1706,7 @@ CONFIG_USB_UHCI_HCD=y
 #
 # 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'
@@ -1712,6 +1728,7 @@ CONFIG_USB_STORAGE=y
 # 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
@@ -1720,7 +1737,6 @@ CONFIG_USB_LIBUSUAL=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 #
 # USB port drivers
@@ -1733,7 +1749,6 @@ CONFIG_USB_MON=y
 # 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
@@ -1750,6 +1765,7 @@ CONFIG_USB_MON=y
 # 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
@@ -1759,7 +1775,9 @@ CONFIG_LEDS_CLASS=y
 #
 # LED drivers
 #
+# CONFIG_LEDS_PCA9532 is not set
 # CONFIG_LEDS_CLEVO_MAIL is not set
+# CONFIG_LEDS_PCA955X is not set
 #
 # LED Triggers
@@ -1805,6 +1823,7 @@ CONFIG_RTC_INTF_DEV=y
 # 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
@@ -1837,11 +1856,13 @@ CONFIG_DMADEVICES=y
 # 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
@@ -1920,14 +1941,27 @@ CONFIG_HUGETLB_PAGE=y
 # 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
@@ -2001,9 +2035,9 @@ CONFIG_NLS_UTF8=y
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
-# CONFIG_PRINTK_TIME is not set
+CONFIG_PRINTK_TIME=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
-# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
@@ -2033,6 +2067,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # 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
@@ -2043,23 +2078,32 @@ 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
@@ -2071,6 +2115,7 @@ CONFIG_IO_DELAY_0X80=y
 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
@@ -2080,7 +2125,6 @@ CONFIG_KEYS_DEBUG_PROC_KEYS=y
 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
@@ -2141,6 +2185,10 @@ CONFIG_CRYPTO_HMAC=y
 # 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
@@ -2151,7 +2199,7 @@ CONFIG_CRYPTO_SHA1=y
 # 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
@@ -2193,6 +2241,7 @@ CONFIG_GENERIC_FIND_FIRST_BIT=y
 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
diff --git a/arch/x86/configs/x86_64_defconfig b/arch/x86/configs/x86_64_defconfig
index a40452429625..678c8acefe04 100644
--- a/arch/x86/configs/x86_64_defconfig
+++ b/arch/x86/configs/x86_64_defconfig
@@ -1,13 +1,13 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.26-rc1
+# Linux kernel version: 2.6.27-rc4
-# Sun May  4 19:59:57 2008
+# 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
@@ -53,6 +53,7 @@ CONFIG_X86_HT=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
@@ -82,6 +83,7 @@ CONFIG_CGROUPS=y
 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
@@ -105,7 +107,6 @@ CONFIG_SYSCTL=y
 # 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
@@ -113,6 +114,7 @@ CONFIG_HOTPLUG=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
@@ -132,25 +134,33 @@ CONFIG_MARKERS=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
 #
@@ -175,20 +185,15 @@ CONFIG_NO_HZ=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 is not set
-CONFIG_MEMTEST_BOOTPARAM_VALUE=0
 # CONFIG_M386 is not set
 # CONFIG_M486 is not set
 # CONFIG_M586 is not set
@@ -220,11 +225,12 @@ CONFIG_X86_L1_CACHE_BYTES=64
 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
@@ -234,8 +240,10 @@ CONFIG_DMI=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
@@ -281,6 +289,7 @@ CONFIG_ZONE_DMA_FLAG=1
 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
@@ -313,6 +322,7 @@ CONFIG_PM_TRACE_RTC=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=""
@@ -339,6 +349,7 @@ CONFIG_ACPI_NUMA=y
 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
@@ -437,10 +448,6 @@ CONFIG_IA32_EMULATION=y
 CONFIG_COMPAT=y
 CONFIG_COMPAT_FOR_U64_ALIGNMENT=y
 CONFIG_SYSVIPC_COMPAT=y
-#
-# Networking
-#
 CONFIG_NET=y
 #
@@ -464,7 +471,10 @@ CONFIG_IP_FIB_HASH=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
@@ -607,7 +617,6 @@ CONFIG_NET_SCHED=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
@@ -669,28 +678,19 @@ CONFIG_FIB_RULES=y
 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_PID=y
 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_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_MENU is not set
-# CONFIG_MAC80211_DEBUG is not set
 # CONFIG_IEEE80211 is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
@@ -706,6 +706,8 @@ CONFIG_UEVENT_HELPER_PATH="/sbin/hotplug"
 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
@@ -738,6 +740,7 @@ CONFIG_BLK_DEV_RAM_SIZE=16384
 # 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
@@ -748,10 +751,14 @@ CONFIG_MISC_DEVICES=y
 # 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
@@ -790,12 +797,13 @@ CONFIG_SCSI_WAIT_SCAN=m
 #
 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
@@ -857,6 +865,7 @@ CONFIG_PATA_OLDPIIX=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
@@ -880,13 +889,16 @@ CONFIG_DM_ZERO=y
 #
 # 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
@@ -896,7 +908,23 @@ CONFIG_NETDEVICES=y
 # 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
@@ -940,16 +968,15 @@ CONFIG_8139TOO_PIO=y
 # 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
@@ -965,6 +992,7 @@ CONFIG_TIGON3=y
 # 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
@@ -1003,13 +1031,14 @@ CONFIG_WLAN_80211=y
 # 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
@@ -1088,6 +1117,7 @@ CONFIG_MOUSE_PS2_TRACKPOINT=y
 # 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
@@ -1122,12 +1152,14 @@ CONFIG_INPUT_TOUCHSCREEN=y
 # 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
@@ -1155,6 +1187,7 @@ CONFIG_SERIO_LIBPS2=y
 # Character devices
 #
 CONFIG_VT=y
+CONFIG_CONSOLE_TRANSLATIONS=y
 CONFIG_VT_CONSOLE=y
 CONFIG_HW_CONSOLE=y
 CONFIG_VT_HW_CONSOLE_BINDING=y
@@ -1222,7 +1255,6 @@ CONFIG_NVRAM=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
@@ -1231,42 +1263,63 @@ CONFIG_DEVPORT=y
 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_ALI15X3 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
@@ -1275,6 +1328,8 @@ CONFIG_I2C_I801=y
 # 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
@@ -1335,8 +1390,10 @@ CONFIG_SSB_POSSIBLE=y
 #
 # 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
@@ -1347,6 +1404,7 @@ CONFIG_SSB_POSSIBLE=y
 #
 # CONFIG_VIDEO_DEV is not set
 # CONFIG_DVB_CORE is not set
+# CONFIG_VIDEO_MEDIA is not set
 #
 # Multimedia drivers
@@ -1387,7 +1445,6 @@ CONFIG_FB_CFB_IMAGEBLIT=y
 # 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
@@ -1430,6 +1487,7 @@ CONFIG_FB_EFI=y
 # 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
@@ -1437,6 +1495,7 @@ 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
@@ -1456,15 +1515,7 @@ CONFIG_LOGO=y
 # 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
@@ -1482,20 +1533,14 @@ CONFIG_SND_VERBOSE_PROCFS=y
 # CONFIG_SND_VERBOSE_PRINTK is not set
 # CONFIG_SND_DEBUG is not set
 CONFIG_SND_VMASTER=y
+CONFIG_SND_DRIVERS=y
-#
-# Generic devices
-#
 # 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
+CONFIG_SND_PCI=y
-#
-# PCI devices
-#
 # CONFIG_SND_AD1889 is not set
 # CONFIG_SND_ALS300 is not set
 # CONFIG_SND_ALS4000 is not set
@@ -1568,36 +1613,14 @@ CONFIG_SND_HDA_GENERIC=y
 # CONFIG_SND_VIRTUOSO is not set
 # CONFIG_SND_VX222 is not set
 # CONFIG_SND_YMFPCI is not set
+CONFIG_SND_USB=y
-#
-# USB devices
-#
 # CONFIG_SND_USB_AUDIO is not set
 # CONFIG_SND_USB_USX2Y is not set
 # CONFIG_SND_USB_CAIAQ is not set
+CONFIG_SND_PCMCIA=y
-#
-# PCMCIA devices
-#
 # 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
@@ -1633,6 +1656,7 @@ CONFIG_USB_DEVICEFS=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
@@ -1656,6 +1680,7 @@ CONFIG_USB_UHCI_HCD=y
 #
 # 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'
@@ -1677,6 +1702,7 @@ CONFIG_USB_STORAGE=y
 # 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
@@ -1685,7 +1711,6 @@ CONFIG_USB_LIBUSUAL=y
 #
 # CONFIG_USB_MDC800 is not set
 # CONFIG_USB_MICROTEK is not set
-CONFIG_USB_MON=y
 #
 # USB port drivers
@@ -1698,7 +1723,6 @@ CONFIG_USB_MON=y
 # 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
@@ -1715,6 +1739,7 @@ CONFIG_USB_MON=y
 # 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
@@ -1724,7 +1749,9 @@ CONFIG_LEDS_CLASS=y
 #
 # LED drivers
 #
+# CONFIG_LEDS_PCA9532 is not set
 # CONFIG_LEDS_CLEVO_MAIL is not set
+# CONFIG_LEDS_PCA955X is not set
 #
 # LED Triggers
@@ -1770,6 +1797,7 @@ CONFIG_RTC_INTF_DEV=y
 # 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
@@ -1802,11 +1830,13 @@ CONFIG_DMADEVICES=y
 # 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
@@ -1886,14 +1916,27 @@ CONFIG_HUGETLB_PAGE=y
 # 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
@@ -1967,9 +2010,9 @@ CONFIG_NLS_UTF8=y
 # Kernel hacking
 #
 CONFIG_TRACE_IRQFLAGS_SUPPORT=y
-# CONFIG_PRINTK_TIME is not set
+CONFIG_PRINTK_TIME=y
-# CONFIG_ENABLE_WARN_DEPRECATED is not set
+CONFIG_ENABLE_WARN_DEPRECATED=y
-# CONFIG_ENABLE_MUST_CHECK is not set
+CONFIG_ENABLE_MUST_CHECK=y
 CONFIG_FRAME_WARN=2048
 CONFIG_MAGIC_SYSRQ=y
 # CONFIG_UNUSED_SYMBOLS is not set
@@ -1998,6 +2041,7 @@ CONFIG_DEBUG_BUGVERBOSE=y
 # 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
@@ -2008,11 +2052,20 @@ 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
@@ -2023,8 +2076,8 @@ CONFIG_DEBUG_RODATA=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
@@ -2036,6 +2089,7 @@ CONFIG_IO_DELAY_0X80=y
 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
@@ -2045,7 +2099,6 @@ CONFIG_KEYS_DEBUG_PROC_KEYS=y
 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
@@ -2106,6 +2159,10 @@ CONFIG_CRYPTO_HMAC=y
 # 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
@@ -2155,6 +2212,7 @@ CONFIG_GENERIC_FIND_FIRST_BIT=y
 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
diff --git a/arch/x86/kernel/acpi/boot.c b/arch/x86/kernel/acpi/boot.c
index fa88a1d71290..bfd10fd211cd 100644
--- a/arch/x86/kernel/acpi/boot.c
+++ b/arch/x86/kernel/acpi/boot.c
@@ -97,6 +97,8 @@ static u64 acpi_lapic_addr __initdata = APIC_DEFAULT_PHYS_BASE;
 #warning ACPI uses CMPXCHG, i486 and later hardware
 #endif
+static int acpi_mcfg_64bit_base_addr __initdata = FALSE;
 /* --------------------------------------------------------------------------
                              Boot-time Configuration
   -------------------------------------------------------------------------- */
@@ -158,6 +160,14 @@ char *__init __acpi_map_table(unsigned long phys, unsigned long size)
 struct acpi_mcfg_allocation *pci_mmcfg_config;
 int pci_mmcfg_config_num;
+static int __init acpi_mcfg_oem_check(struct acpi_table_mcfg *mcfg)
+{
+        if (!strcmp(mcfg->header.oem_id, "SGI"))
+                acpi_mcfg_64bit_base_addr = TRUE;
+        return 0;
+}
 int __init acpi_parse_mcfg(struct acpi_table_header *header)
 {
        struct acpi_table_mcfg *mcfg;
@@ -190,8 +200,12 @@ int __init acpi_parse_mcfg(struct acpi_table_header *header)
        }
        memcpy(pci_mmcfg_config, &mcfg[1], config_size);
+        acpi_mcfg_oem_check(mcfg);
        for (i = 0; i < pci_mmcfg_config_num; ++i) {
-                if (pci_mmcfg_config[i].address > 0xFFFFFFFF) {
+                if ((pci_mmcfg_config[i].address > 0xFFFFFFFF) &&
+                    !acpi_mcfg_64bit_base_addr) {
                        printk(KERN_ERR PREFIX
                               "MMCONFIG not in low 4GB of memory\n");
                        kfree(pci_mmcfg_config);
diff --git a/arch/x86/kernel/acpi/sleep.c b/arch/x86/kernel/acpi/sleep.c
index fa2161d5003b..426e5d91b63a 100644
--- a/arch/x86/kernel/acpi/sleep.c
+++ b/arch/x86/kernel/acpi/sleep.c
@@ -20,7 +20,7 @@ unsigned long acpi_realmode_flags;
 /* address in low memory of the wakeup routine. */
 static unsigned long acpi_realmode;
-#ifdef CONFIG_64BIT
+#if defined(CONFIG_SMP) && defined(CONFIG_64BIT)
 static char temp_stack[10240];
 #endif
@@ -86,7 +86,7 @@ int acpi_save_state_mem(void)
 #endif /* !CONFIG_64BIT */
        header->pmode_cr0 = read_cr0();
-        header->pmode_cr4 = read_cr4();
+        header->pmode_cr4 = read_cr4_safe();
        header->realmode_flags = acpi_realmode_flags;
        header->real_magic = 0x12345678;
diff --git a/arch/x86/kernel/amd_iommu.c b/arch/x86/kernel/amd_iommu.c
index 22d7d050905d..69b4d060b21c 100644
--- a/arch/x86/kernel/amd_iommu.c
+++ b/arch/x86/kernel/amd_iommu.c
@@ -65,7 +65,7 @@ static int __iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd)
        u8 *target;
        tail = readl(iommu->mmio_base + MMIO_CMD_TAIL_OFFSET);
-        target = (iommu->cmd_buf + tail);
+        target = iommu->cmd_buf + tail;
        memcpy_toio(target, cmd, sizeof(*cmd));
        tail = (tail + sizeof(*cmd)) % iommu->cmd_buf_size;
        head = readl(iommu->mmio_base + MMIO_CMD_HEAD_OFFSET);
@@ -101,16 +101,13 @@ static int iommu_queue_command(struct amd_iommu *iommu, struct iommu_cmd *cmd)
 */
 static int iommu_completion_wait(struct amd_iommu *iommu)
 {
-        int ret;
+        int ret, ready = 0;
+        unsigned status = 0;
        struct iommu_cmd cmd;
-        volatile u64 ready = 0;
-        unsigned long ready_phys = virt_to_phys(&ready);
        unsigned long i = 0;
        memset(&cmd, 0, sizeof(cmd));
-        cmd.data[0] = LOW_U32(ready_phys) | CMD_COMPL_WAIT_STORE_MASK;
+        cmd.data[0] = CMD_COMPL_WAIT_INT_MASK;
-        cmd.data[1] = upper_32_bits(ready_phys);
-        cmd.data[2] = 1; /* value written to 'ready' */
        CMD_SET_TYPE(&cmd, CMD_COMPL_WAIT);
        iommu->need_sync = 0;
@@ -122,9 +119,15 @@ static int iommu_completion_wait(struct amd_iommu *iommu)
        while (!ready && (i < EXIT_LOOP_COUNT)) {
                ++i;
-                cpu_relax();
+                /* wait for the bit to become one */
+                status = readl(iommu->mmio_base + MMIO_STATUS_OFFSET);
+                ready = status & MMIO_STATUS_COM_WAIT_INT_MASK;
        }
+        /* set bit back to zero */
+        status &= ~MMIO_STATUS_COM_WAIT_INT_MASK;
+        writel(status, iommu->mmio_base + MMIO_STATUS_OFFSET);
        if (unlikely((i == EXIT_LOOP_COUNT) && printk_ratelimit()))
                printk(KERN_WARNING "AMD IOMMU: Completion wait loop failed\n");
@@ -161,7 +164,7 @@ static int iommu_queue_inv_iommu_pages(struct amd_iommu *iommu,
        address &= PAGE_MASK;
        CMD_SET_TYPE(&cmd, CMD_INV_IOMMU_PAGES);
        cmd.data[1] |= domid;
-        cmd.data[2] = LOW_U32(address);
+        cmd.data[2] = lower_32_bits(address);
        cmd.data[3] = upper_32_bits(address);
        if (s) /* size bit - we flush more than one 4kb page */
                cmd.data[2] |= CMD_INV_IOMMU_PAGES_SIZE_MASK;
diff --git a/arch/x86/kernel/amd_iommu_init.c b/arch/x86/kernel/amd_iommu_init.c
index d9a9da597e79..a69cc0f52042 100644
--- a/arch/x86/kernel/amd_iommu_init.c
+++ b/arch/x86/kernel/amd_iommu_init.c
@@ -801,6 +801,21 @@ static int __init init_memory_definitions(struct acpi_table_header *table)
 }
 /*
+ * Init the device table to not allow DMA access for devices and
+ * suppress all page faults
+ */
+static void init_device_table(void)
+{
+        u16 devid;
+        for (devid = 0; devid <= amd_iommu_last_bdf; ++devid) {
+                set_dev_entry_bit(devid, DEV_ENTRY_VALID);
+                set_dev_entry_bit(devid, DEV_ENTRY_TRANSLATION);
+                set_dev_entry_bit(devid, DEV_ENTRY_NO_PAGE_FAULT);
+        }
+}
+/*
 * This function finally enables all IOMMUs found in the system after
 * they have been initialized
 */
@@ -931,6 +946,9 @@ int __init amd_iommu_init(void)
        if (amd_iommu_pd_alloc_bitmap == NULL)
                goto free;
+        /* init the device table */
+        init_device_table();
        /*
         * let all alias entries point to itself
         */
@@ -954,15 +972,15 @@ int __init amd_iommu_init(void)
        if (acpi_table_parse("IVRS", init_memory_definitions) != 0)
                goto free;
-        ret = amd_iommu_init_dma_ops();
+        ret = sysdev_class_register(&amd_iommu_sysdev_class);
        if (ret)
                goto free;
-        ret = sysdev_class_register(&amd_iommu_sysdev_class);
+        ret = sysdev_register(&device_amd_iommu);
        if (ret)
                goto free;
-        ret = sysdev_register(&device_amd_iommu);
+        ret = amd_iommu_init_dma_ops();
        if (ret)
                goto free;
diff --git a/arch/x86/kernel/apic_32.c b/arch/x86/kernel/apic_32.c
index 039a8d4aaf62..f88bd0d982b0 100644
--- a/arch/x86/kernel/apic_32.c
+++ b/arch/x86/kernel/apic_32.c
@@ -1454,8 +1454,6 @@ void disconnect_bsp_APIC(int virt_wire_setup)
        }
 }
-unsigned int __cpuinitdata maxcpus = NR_CPUS;
 void __cpuinit generic_processor_info(int apicid, int version)
 {
        int cpu;
@@ -1482,12 +1480,6 @@ void __cpuinit generic_processor_info(int apicid, int version)
                return;
        }
-        if (num_processors >= maxcpus) {
-                printk(KERN_WARNING "WARNING: maxcpus limit of %i reached."
-                        " Processor ignored.\n", maxcpus);
-                return;
-        }
        num_processors++;
        cpus_complement(tmp_map, cpu_present_map);
        cpu = first_cpu(tmp_map);
diff --git a/arch/x86/kernel/apic_64.c b/arch/x86/kernel/apic_64.c
index 7f1f030da7ee..446c062e831c 100644
--- a/arch/x86/kernel/apic_64.c
+++ b/arch/x86/kernel/apic_64.c
@@ -90,7 +90,6 @@ static unsigned long apic_phys;
 unsigned long mp_lapic_addr;
-unsigned int __cpuinitdata maxcpus = NR_CPUS;
 /*
 * Get the LAPIC version
 */
@@ -1062,12 +1061,6 @@ void __cpuinit generic_processor_info(int apicid, int version)
                return;
        }
-        if (num_processors >= maxcpus) {
-                printk(KERN_WARNING "WARNING: maxcpus limit of %i reached."
-                       " Processor ignored.\n", maxcpus);
-                return;
-        }
        num_processors++;
        cpus_complement(tmp_map, cpu_present_map);
        cpu = first_cpu(tmp_map);
diff --git a/arch/x86/kernel/cpu/addon_cpuid_features.c b/arch/x86/kernel/cpu/addon_cpuid_features.c
index 84a8220a6072..a6ef672adbba 100644
--- a/arch/x86/kernel/cpu/addon_cpuid_features.c
+++ b/arch/x86/kernel/cpu/addon_cpuid_features.c
@@ -56,9 +56,22 @@ void __cpuinit validate_pat_support(struct cpuinfo_x86 *c)
        switch (c->x86_vendor) {
        case X86_VENDOR_INTEL:
-                if (c->x86 == 0xF || (c->x86 == 6 && c->x86_model >= 15))
+                /*
+                 * There is a known erratum on Pentium III and Core Solo
+                 * and Core Duo CPUs.
+                 * " Page with PAT set to WC while associated MTRR is UC
+                 *   may consolidate to UC "
+                 * Because of this erratum, it is better to stick with
+                 * setting WC in MTRR rather than using PAT on these CPUs.
+                 *
+                 * Enable PAT WC only on P4, Core 2 or later CPUs.
+                 */
+                if (c->x86 > 0x6 || (c->x86 == 6 && c->x86_model >= 15))
                        return;
-                break;
+                pat_disable("PAT WC disabled due to known CPU erratum.");
+                return;
        case X86_VENDOR_AMD:
        case X86_VENDOR_CENTAUR:
        case X86_VENDOR_TRANSMETA:
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
index 4e7271999a74..84bb395038d8 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.c
@@ -737,63 +737,44 @@ static int find_psb_table(struct powernow_k8_data *data)
 #ifdef CONFIG_X86_POWERNOW_K8_ACPI
 static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index)
 {
-        if (!data->acpi_data->state_count || (cpu_family == CPU_HW_PSTATE))
+        if (!data->acpi_data.state_count || (cpu_family == CPU_HW_PSTATE))
                return;
-        data->irt = (data->acpi_data->states[index].control >> IRT_SHIFT) & IRT_MASK;
+        data->irt = (data->acpi_data.states[index].control >> IRT_SHIFT) & IRT_MASK;
-        data->rvo = (data->acpi_data->states[index].control >> RVO_SHIFT) & RVO_MASK;
+        data->rvo = (data->acpi_data.states[index].control >> RVO_SHIFT) & RVO_MASK;
-        data->exttype = (data->acpi_data->states[index].control >> EXT_TYPE_SHIFT) & EXT_TYPE_MASK;
+        data->exttype = (data->acpi_data.states[index].control >> EXT_TYPE_SHIFT) & EXT_TYPE_MASK;
-        data->plllock = (data->acpi_data->states[index].control >> PLL_L_SHIFT) & PLL_L_MASK;
+        data->plllock = (data->acpi_data.states[index].control >> PLL_L_SHIFT) & PLL_L_MASK;
-        data->vidmvs = 1 << ((data->acpi_data->states[index].control >> MVS_SHIFT) & MVS_MASK);
+        data->vidmvs = 1 << ((data->acpi_data.states[index].control >> MVS_SHIFT) & MVS_MASK);
-        data->vstable = (data->acpi_data->states[index].control >> VST_SHIFT) & VST_MASK;
+        data->vstable = (data->acpi_data.states[index].control >> VST_SHIFT) & VST_MASK;
-}
-static struct acpi_processor_performance *acpi_perf_data;
-static int preregister_valid;
-static int powernow_k8_cpu_preinit_acpi(void)
-{
-        acpi_perf_data = alloc_percpu(struct acpi_processor_performance);
-        if (!acpi_perf_data)
-                return -ENODEV;
-        if (acpi_processor_preregister_performance(acpi_perf_data))
-                return -ENODEV;
-        else
-                preregister_valid = 1;
-        return 0;
 }
 static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
 {
        struct cpufreq_frequency_table *powernow_table;
        int ret_val;
-        int cpu = 0;
-        data->acpi_data = percpu_ptr(acpi_perf_data, cpu);
+        if (acpi_processor_register_performance(&data->acpi_data, data->cpu)) {
-        if (acpi_processor_register_performance(data->acpi_data, data->cpu)) {
                dprintk("register performance failed: bad ACPI data\n");
                return -EIO;
        }
        /* verify the data contained in the ACPI structures */
-        if (data->acpi_data->state_count <= 1) {
+        if (data->acpi_data.state_count <= 1) {
                dprintk("No ACPI P-States\n");
                goto err_out;
        }
-        if ((data->acpi_data->control_register.space_id != ACPI_ADR_SPACE_FIXED_HARDWARE) ||
+        if ((data->acpi_data.control_register.space_id != ACPI_ADR_SPACE_FIXED_HARDWARE) ||
-                (data->acpi_data->status_register.space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) {
+                (data->acpi_data.status_register.space_id != ACPI_ADR_SPACE_FIXED_HARDWARE)) {
                dprintk("Invalid control/status registers (%x - %x)\n",
-                        data->acpi_data->control_register.space_id,
+                        data->acpi_data.control_register.space_id,
-                        data->acpi_data->status_register.space_id);
+                        data->acpi_data.status_register.space_id);
                goto err_out;
        }
        /* fill in data->powernow_table */
        powernow_table = kmalloc((sizeof(struct cpufreq_frequency_table)
-                * (data->acpi_data->state_count + 1)), GFP_KERNEL);
+                * (data->acpi_data.state_count + 1)), GFP_KERNEL);
        if (!powernow_table) {
                dprintk("powernow_table memory alloc failure\n");
                goto err_out;
@@ -806,12 +787,12 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
        if (ret_val)
                goto err_out_mem;
-        powernow_table[data->acpi_data->state_count].frequency = CPUFREQ_TABLE_END;
+        powernow_table[data->acpi_data.state_count].frequency = CPUFREQ_TABLE_END;
-        powernow_table[data->acpi_data->state_count].index = 0;
+        powernow_table[data->acpi_data.state_count].index = 0;
        data->powernow_table = powernow_table;
        /* fill in data */
-        data->numps = data->acpi_data->state_count;
+        data->numps = data->acpi_data.state_count;
        if (first_cpu(per_cpu(cpu_core_map, data->cpu)) == data->cpu)
                print_basics(data);
        powernow_k8_acpi_pst_values(data, 0);
@@ -819,31 +800,16 @@ static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data)
        /* notify BIOS that we exist */
        acpi_processor_notify_smm(THIS_MODULE);
-        /* determine affinity, from ACPI if available */
-        if (preregister_valid) {
-                if ((data->acpi_data->shared_type == CPUFREQ_SHARED_TYPE_ALL) ||
-                        (data->acpi_data->shared_type == CPUFREQ_SHARED_TYPE_ANY))
-                        data->starting_core_affinity = data->acpi_data->shared_cpu_map;
-                else
-                        data->starting_core_affinity = cpumask_of_cpu(data->cpu);
-        } else {
-        /* best guess from family if not */
-                if (cpu_family == CPU_HW_PSTATE)
-                        data->starting_core_affinity = cpumask_of_cpu(data->cpu);
-                else
-                        data->starting_core_affinity = per_cpu(cpu_core_map, data->cpu);
-        }
        return 0;
 err_out_mem:
        kfree(powernow_table);
 err_out:
-        acpi_processor_unregister_performance(data->acpi_data, data->cpu);
+        acpi_processor_unregister_performance(&data->acpi_data, data->cpu);
        /* data->acpi_data.state_count informs us at ->exit() whether ACPI was used */
-        data->acpi_data->state_count = 0;
+        data->acpi_data.state_count = 0;
        return -ENODEV;
 }
@@ -855,10 +821,10 @@ static int fill_powernow_table_pstate(struct powernow_k8_data *data, struct cpuf
        rdmsr(MSR_PSTATE_CUR_LIMIT, hi, lo);
        data->max_hw_pstate = (hi & HW_PSTATE_MAX_MASK) >> HW_PSTATE_MAX_SHIFT;
-        for (i = 0; i < data->acpi_data->state_count; i++) {
+        for (i = 0; i < data->acpi_data.state_count; i++) {
                u32 index;
-                index = data->acpi_data->states[i].control & HW_PSTATE_MASK;
+                index = data->acpi_data.states[i].control & HW_PSTATE_MASK;
                if (index > data->max_hw_pstate) {
                        printk(KERN_ERR PFX "invalid pstate %d - bad value %d.\n", i, index);
                        printk(KERN_ERR PFX "Please report to BIOS manufacturer\n");
@@ -874,7 +840,7 @@ static int fill_powernow_table_pstate(struct powernow_k8_data *data, struct cpuf
                powernow_table[i].index = index;
-                powernow_table[i].frequency = data->acpi_data->states[i].core_frequency * 1000;
+                powernow_table[i].frequency = data->acpi_data.states[i].core_frequency * 1000;
        }
        return 0;
 }
@@ -883,16 +849,16 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, struct cpuf
 {
        int i;
        int cntlofreq = 0;
-        for (i = 0; i < data->acpi_data->state_count; i++) {
+        for (i = 0; i < data->acpi_data.state_count; i++) {
                u32 fid;
                u32 vid;
                if (data->exttype) {
-                        fid = data->acpi_data->states[i].status & EXT_FID_MASK;
+                        fid = data->acpi_data.states[i].status & EXT_FID_MASK;
-                        vid = (data->acpi_data->states[i].status >> VID_SHIFT) & EXT_VID_MASK;
+                        vid = (data->acpi_data.states[i].status >> VID_SHIFT) & EXT_VID_MASK;
                } else {
-                        fid = data->acpi_data->states[i].control & FID_MASK;
+                        fid = data->acpi_data.states[i].control & FID_MASK;
-                        vid = (data->acpi_data->states[i].control >> VID_SHIFT) & VID_MASK;
+                        vid = (data->acpi_data.states[i].control >> VID_SHIFT) & VID_MASK;
                }
                dprintk("   %d : fid 0x%x, vid 0x%x\n", i, fid, vid);
@@ -933,10 +899,10 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, struct cpuf
                                cntlofreq = i;
                }
-                if (powernow_table[i].frequency != (data->acpi_data->states[i].core_frequency * 1000)) {
+                if (powernow_table[i].frequency != (data->acpi_data.states[i].core_frequency * 1000)) {
                        printk(KERN_INFO PFX "invalid freq entries %u kHz vs. %u kHz\n",
                                powernow_table[i].frequency,
-                                (unsigned int) (data->acpi_data->states[i].core_frequency * 1000));
+                                (unsigned int) (data->acpi_data.states[i].core_frequency * 1000));
                        powernow_table[i].frequency = CPUFREQ_ENTRY_INVALID;
                        continue;
                }
@@ -946,12 +912,11 @@ static int fill_powernow_table_fidvid(struct powernow_k8_data *data, struct cpuf
 static void powernow_k8_cpu_exit_acpi(struct powernow_k8_data *data)
 {
-        if (data->acpi_data->state_count)
+        if (data->acpi_data.state_count)
-                acpi_processor_unregister_performance(data->acpi_data, data->cpu);
+                acpi_processor_unregister_performance(&data->acpi_data, data->cpu);
 }
 #else
-static int powernow_k8_cpu_preinit_acpi(void) { return -ENODEV; }
 static int powernow_k8_cpu_init_acpi(struct powernow_k8_data *data) { return -ENODEV; }
 static void powernow_k8_cpu_exit_acpi(struct powernow_k8_data *data) { return; }
 static void powernow_k8_acpi_pst_values(struct powernow_k8_data *data, unsigned int index) { return; }
@@ -1136,7 +1101,7 @@ static int powernowk8_verify(struct cpufreq_policy *pol)
 static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
 {
        struct powernow_k8_data *data;
-        cpumask_t oldmask = CPU_MASK_ALL;
+        cpumask_t oldmask;
        int rc;
        if (!cpu_online(pol->cpu))
@@ -1209,7 +1174,10 @@ static int __cpuinit powernowk8_cpu_init(struct cpufreq_policy *pol)
        /* run on any CPU again */
        set_cpus_allowed_ptr(current, &oldmask);
-        pol->cpus = data->starting_core_affinity;
+        if (cpu_family == CPU_HW_PSTATE)
+                pol->cpus = cpumask_of_cpu(pol->cpu);
+        else
+                pol->cpus = per_cpu(cpu_core_map, pol->cpu);
        data->available_cores = &(pol->cpus);
        /* Take a crude guess here.
@@ -1332,7 +1300,6 @@ static int __cpuinit powernowk8_init(void)
        }
        if (supported_cpus == num_online_cpus()) {
-                powernow_k8_cpu_preinit_acpi();
                printk(KERN_INFO PFX "Found %d %s "
                        "processors (%d cpu cores) (" VERSION ")\n",
                        num_online_nodes(),
@@ -1349,10 +1316,6 @@ static void __exit powernowk8_exit(void)
        dprintk("exit\n");
        cpufreq_unregister_driver(&cpufreq_amd64_driver);
-#ifdef CONFIG_X86_POWERNOW_K8_ACPI
-        free_percpu(acpi_perf_data);
-#endif
 }
 MODULE_AUTHOR("Paul Devriendt <paul.devriendt@amd.com> and Mark Langsdorf <mark.langsdorf@amd.com>");
diff --git a/arch/x86/kernel/cpu/cpufreq/powernow-k8.h b/arch/x86/kernel/cpu/cpufreq/powernow-k8.h
index a62612cd4be8..ab48cfed4d96 100644
--- a/arch/x86/kernel/cpu/cpufreq/powernow-k8.h
+++ b/arch/x86/kernel/cpu/cpufreq/powernow-k8.h
@@ -33,13 +33,12 @@ struct powernow_k8_data {
 #ifdef CONFIG_X86_POWERNOW_K8_ACPI
        /* the acpi table needs to be kept. it's only available if ACPI was
         * used to determine valid frequency/vid/fid states */
-        struct acpi_processor_performance *acpi_data;
+        struct acpi_processor_performance acpi_data;
 #endif
        /* we need to keep track of associated cores, but let cpufreq
         * handle hotplug events - so just point at cpufreq pol->cpus
         * structure */
        cpumask_t *available_cores;
-        cpumask_t starting_core_affinity;
 };
diff --git a/arch/x86/kernel/cpu/cyrix.c b/arch/x86/kernel/cpu/cyrix.c
index 3fd7a67bb06a..e710a21bb6e8 100644
--- a/arch/x86/kernel/cpu/cyrix.c
+++ b/arch/x86/kernel/cpu/cyrix.c
@@ -134,23 +134,6 @@ static void __cpuinit set_cx86_memwb(void)
        setCx86(CX86_CCR2, getCx86(CX86_CCR2) | 0x14);
 }
-static void __cpuinit set_cx86_inc(void)
-{
-        unsigned char ccr3;
-        printk(KERN_INFO "Enable Incrementor on Cyrix/NSC processor.\n");
-        ccr3 = getCx86(CX86_CCR3);
-        setCx86(CX86_CCR3, (ccr3 & 0x0f) | 0x10); /* enable MAPEN */
-        /* PCR1 -- Performance Control */
-        /* Incrementor on, whatever that is */
-        setCx86(CX86_PCR1, getCx86(CX86_PCR1) | 0x02);
-        /* PCR0 -- Performance Control */
-        /* Incrementor Margin 10 */
-        setCx86(CX86_PCR0, getCx86(CX86_PCR0) | 0x04);
-        setCx86(CX86_CCR3, ccr3);       /* disable MAPEN */
-}
 /*
 *      Configure later MediaGX and/or Geode processor.
 */
@@ -174,7 +157,6 @@ static void __cpuinit geode_configure(void)
        set_cx86_memwb();
        set_cx86_reorder();
-        set_cx86_inc();
        local_irq_restore(flags);
 }
diff --git a/arch/x86/kernel/cpu/mcheck/mce_64.c b/arch/x86/kernel/cpu/mcheck/mce_64.c
index 65a339678ece..726a5fcdf341 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_64.c
@@ -759,6 +759,7 @@ static struct sysdev_class mce_sysclass = {
 };
 DEFINE_PER_CPU(struct sys_device, device_mce);
+void (*threshold_cpu_callback)(unsigned long action, unsigned int cpu) __cpuinitdata;
 /* Why are there no generic functions for this? */
 #define ACCESSOR(name, var, start) \
@@ -883,9 +884,13 @@ static int __cpuinit mce_cpu_callback(struct notifier_block *nfb,
        case CPU_ONLINE:
        case CPU_ONLINE_FROZEN:
                mce_create_device(cpu);
+                if (threshold_cpu_callback)
+                        threshold_cpu_callback(action, cpu);
                break;
        case CPU_DEAD:
        case CPU_DEAD_FROZEN:
+                if (threshold_cpu_callback)
+                        threshold_cpu_callback(action, cpu);
                mce_remove_device(cpu);
                break;
        }
diff --git a/arch/x86/kernel/cpu/mcheck/mce_amd_64.c b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
index 88736cadbaa6..5eb390a4b2e9 100644
--- a/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
+++ b/arch/x86/kernel/cpu/mcheck/mce_amd_64.c
@@ -628,6 +628,7 @@ static void threshold_remove_bank(unsigned int cpu, int bank)
        deallocate_threshold_block(cpu, bank);
 free_out:
+        kobject_del(b->kobj);
        kobject_put(b->kobj);
        kfree(b);
        per_cpu(threshold_banks, cpu)[bank] = NULL;
@@ -645,14 +646,11 @@ static void threshold_remove_device(unsigned int cpu)
 }
 /* get notified when a cpu comes on/off */
-static int __cpuinit threshold_cpu_callback(struct notifier_block *nfb,
+static void __cpuinit amd_64_threshold_cpu_callback(unsigned long action,
-                                            unsigned long action, void *hcpu)
+                                                     unsigned int cpu)
 {
-        /* cpu was unsigned int to begin with */
-        unsigned int cpu = (unsigned long)hcpu;
        if (cpu >= NR_CPUS)
-                goto out;
+                return;
        switch (action) {
        case CPU_ONLINE:
@@ -666,14 +664,8 @@ static int __cpuinit threshold_cpu_callback(struct notifier_block *nfb,
        default:
                break;
        }
-      out:
-        return NOTIFY_OK;
 }
-static struct notifier_block threshold_cpu_notifier __cpuinitdata = {
-        .notifier_call = threshold_cpu_callback,
-};
 static __init int threshold_init_device(void)
 {
        unsigned lcpu = 0;
@@ -684,7 +676,7 @@ static __init int threshold_init_device(void)
                if (err)
                        return err;
        }
-        register_hotcpu_notifier(&threshold_cpu_notifier);
+        threshold_cpu_callback = amd_64_threshold_cpu_callback;
        return 0;
 }
diff --git a/arch/x86/kernel/cpu/mtrr/generic.c b/arch/x86/kernel/cpu/mtrr/generic.c
index 509bd3d9eacd..cb7d3b6a80eb 100644
--- a/arch/x86/kernel/cpu/mtrr/generic.c
+++ b/arch/x86/kernel/cpu/mtrr/generic.c
@@ -379,6 +379,7 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
                             unsigned long *size, mtrr_type *type)
 {
        unsigned int mask_lo, mask_hi, base_lo, base_hi;
+        unsigned int tmp, hi;
        rdmsr(MTRRphysMask_MSR(reg), mask_lo, mask_hi);
        if ((mask_lo & 0x800) == 0) {
@@ -392,8 +393,23 @@ static void generic_get_mtrr(unsigned int reg, unsigned long *base,
        rdmsr(MTRRphysBase_MSR(reg), base_lo, base_hi);
        /* Work out the shifted address mask. */
-        mask_lo = size_or_mask | mask_hi << (32 - PAGE_SHIFT)
+        tmp = mask_hi << (32 - PAGE_SHIFT) | mask_lo >> PAGE_SHIFT;
-            | mask_lo >> PAGE_SHIFT;
+        mask_lo = size_or_mask | tmp;
+        /* Expand tmp with high bits to all 1s*/
+        hi = fls(tmp);
+        if (hi > 0) {
+                tmp |= ~((1<<(hi - 1)) - 1);
+                if (tmp != mask_lo) {
+                        static int once = 1;
+                        if (once) {
+                                printk(KERN_INFO "mtrr: your BIOS has set up an incorrect mask, fixing it up.\n");
+                                once = 0;
+                        }
+                        mask_lo = tmp;
+                }
+        }
        /* This works correctly if size is a power of two, i.e. a
           contiguous range. */
diff --git a/arch/x86/kernel/cpu/mtrr/main.c b/arch/x86/kernel/cpu/mtrr/main.c
index 6f23969c8faf..b117d7f8a564 100644
--- a/arch/x86/kernel/cpu/mtrr/main.c
+++ b/arch/x86/kernel/cpu/mtrr/main.c
@@ -1496,11 +1496,8 @@ int __init mtrr_trim_uncached_memory(unsigned long end_pfn)
        /* kvm/qemu doesn't have mtrr set right, don't trim them all */
        if (!highest_pfn) {
-                if (!kvm_para_available()) {
+                WARN(!kvm_para_available(), KERN_WARNING
-                        printk(KERN_WARNING
                                "WARNING: strange, CPU MTRRs all blank?\n");
-                        WARN_ON(1);
-                }
                return 0;
        }
diff --git a/arch/x86/kernel/cpu/perfctr-watchdog.c b/arch/x86/kernel/cpu/perfctr-watchdog.c
index de7439f82b92..05cc22dbd4ff 100644
--- a/arch/x86/kernel/cpu/perfctr-watchdog.c
+++ b/arch/x86/kernel/cpu/perfctr-watchdog.c
@@ -478,7 +478,13 @@ static int setup_p4_watchdog(unsigned nmi_hz)
                perfctr_msr = MSR_P4_IQ_PERFCTR1;
                evntsel_msr = MSR_P4_CRU_ESCR0;
                cccr_msr = MSR_P4_IQ_CCCR1;
-                cccr_val = P4_CCCR_OVF_PMI1 | P4_CCCR_ESCR_SELECT(4);
+                /* Pentium 4 D processors don't support P4_CCCR_OVF_PMI1 */
+                if (boot_cpu_data.x86_model == 4 && boot_cpu_data.x86_mask == 4)
+                        cccr_val = P4_CCCR_OVF_PMI0;
+                else
+                        cccr_val = P4_CCCR_OVF_PMI1;
+                cccr_val |= P4_CCCR_ESCR_SELECT(4);
        }
        evntsel = P4_ESCR_EVENT_SELECT(0x3F)
diff --git a/arch/x86/kernel/cpuid.c b/arch/x86/kernel/cpuid.c
index 14b11b3be31c..8e9cd6a8ec12 100644
--- a/arch/x86/kernel/cpuid.c
+++ b/arch/x86/kernel/cpuid.c
@@ -89,6 +89,8 @@ static ssize_t cpuid_read(struct file *file, char __user *buf,
        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 */
@@ -96,14 +98,19 @@ static ssize_t cpuid_read(struct file *file, char __user *buf,
        for (; count; count -= 16) {
                cmd.eax = pos;
                cmd.ecx = pos >> 32;
-                smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1);
+                err = smp_call_function_single(cpu, cpuid_smp_cpuid, &cmd, 1);
-                if (copy_to_user(tmp, &cmd, 16))
+                if (err)
-                        return -EFAULT;
+                        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)
diff --git a/arch/x86/kernel/efi_32.c b/arch/x86/kernel/efi_32.c
index 4b63c8e1f13b..5cab48ee61a4 100644
--- a/arch/x86/kernel/efi_32.c
+++ b/arch/x86/kernel/efi_32.c
@@ -53,7 +53,7 @@ void efi_call_phys_prelog(void)
         * directory. If I have PAE, I just need to duplicate one entry in
         * page directory.
         */
-        cr4 = read_cr4();
+        cr4 = read_cr4_safe();
        if (cr4 & X86_CR4_PAE) {
                efi_bak_pg_dir_pointer[0].pgd =
@@ -91,7 +91,7 @@ void efi_call_phys_epilog(void)
        gdt_descr.size = GDT_SIZE - 1;
        load_gdt(&gdt_descr);
-        cr4 = read_cr4();
+        cr4 = read_cr4_safe();
        if (cr4 & X86_CR4_PAE) {
                swapper_pg_dir[pgd_index(0)].pgd =
diff --git a/arch/x86/kernel/genx2apic_uv_x.c b/arch/x86/kernel/genx2apic_uv_x.c
index 2cfcbded888a..bfa837cb16be 100644
--- a/arch/x86/kernel/genx2apic_uv_x.c
+++ b/arch/x86/kernel/genx2apic_uv_x.c
@@ -222,7 +222,7 @@ static __init void map_low_mmrs(void)
 enum map_type {map_wb, map_uc};
-static void map_high(char *id, unsigned long base, int shift, enum map_type map_type)
+static __init void map_high(char *id, unsigned long base, int shift, enum map_type map_type)
 {
        unsigned long bytes, paddr;
@@ -293,7 +293,9 @@ static __init void uv_rtc_init(void)
                sn_rtc_cycles_per_second = ticks_per_sec;
 }
-static __init void uv_system_init(void)
+static bool uv_system_inited;
+void __init uv_system_init(void)
 {
        union uvh_si_addr_map_config_u m_n_config;
        union uvh_node_id_u node_id;
@@ -383,6 +385,7 @@ static __init void uv_system_init(void)
        map_mmr_high(max_pnode);
        map_config_high(max_pnode);
        map_mmioh_high(max_pnode);
+        uv_system_inited = true;
 }
 /*
@@ -391,8 +394,7 @@ static __init void uv_system_init(void)
 */
 void __cpuinit uv_cpu_init(void)
 {
-        if (!uv_node_to_blade)
+        BUG_ON(!uv_system_inited);
-                uv_system_init();
        uv_blade_info[uv_numa_blade_id()].nr_online_cpus++;
diff --git a/arch/x86/kernel/head64.c b/arch/x86/kernel/head64.c
index 1b318e903bf6..9bfc4d72fb2e 100644
--- a/arch/x86/kernel/head64.c
+++ b/arch/x86/kernel/head64.c
@@ -88,6 +88,7 @@ void __init x86_64_start_kernel(char * real_mode_data)
        BUILD_BUG_ON(!(MODULES_VADDR > __START_KERNEL));
        BUILD_BUG_ON(!(((MODULES_END - 1) & PGDIR_MASK) ==
                                (__START_KERNEL & PGDIR_MASK)));
+        BUILD_BUG_ON(__fix_to_virt(__end_of_fixed_addresses) <= MODULES_END);
        /* clear bss before set_intr_gate with early_idt_handler */
        clear_bss();
diff --git a/arch/x86/kernel/hpet.c b/arch/x86/kernel/hpet.c
index ad2b15a1334d..59fd3b6b1303 100644
--- a/arch/x86/kernel/hpet.c
+++ b/arch/x86/kernel/hpet.c
@@ -359,6 +359,7 @@ static int hpet_clocksource_register(void)
 int __init hpet_enable(void)
 {
        unsigned long id;
+        int i;
        if (!is_hpet_capable())
                return 0;
@@ -369,6 +370,29 @@ int __init hpet_enable(void)
         * Read the period and check for a sane value:
         */
        hpet_period = hpet_readl(HPET_PERIOD);
+        /*
+         * AMD SB700 based systems with spread spectrum enabled use a
+         * SMM based HPET emulation to provide proper frequency
+         * setting. The SMM code is initialized with the first HPET
+         * register access and takes some time to complete. During
+         * this time the config register reads 0xffffffff. We check
+         * for max. 1000 loops whether the config register reads a non
+         * 0xffffffff value to make sure that HPET is up and running
+         * before we go further. A counting loop is safe, as the HPET
+         * access takes thousands of CPU cycles. On non SB700 based
+         * machines this check is only done once and has no side
+         * effects.
+         */
+        for (i = 0; hpet_readl(HPET_CFG) == 0xFFFFFFFF; i++) {
+                if (i == 1000) {
+                        printk(KERN_WARNING
+                               "HPET config register value = 0xFFFFFFFF. "
+                               "Disabling HPET\n");
+                        goto out_nohpet;
+                }
+        }
        if (hpet_period < HPET_MIN_PERIOD || hpet_period > HPET_MAX_PERIOD)
                goto out_nohpet;
diff --git a/arch/x86/kernel/machine_kexec_32.c b/arch/x86/kernel/machine_kexec_32.c
index 9fe478d98406..0732adba05ca 100644
--- a/arch/x86/kernel/machine_kexec_32.c
+++ b/arch/x86/kernel/machine_kexec_32.c
@@ -12,6 +12,7 @@
 #include <linux/init.h>
 #include <linux/numa.h>
 #include <linux/ftrace.h>
+#include <linux/suspend.h>
 #include <asm/pgtable.h>
 #include <asm/pgalloc.h>
@@ -78,7 +79,7 @@ static void load_segments(void)
 /*
 * A architecture hook called to validate the
 * proposed image and prepare the control pages
- * as needed.  The pages for KEXEC_CONTROL_CODE_SIZE
+ * as needed.  The pages for KEXEC_CONTROL_PAGE_SIZE
 * have been allocated, but the segments have yet
 * been copied into the kernel.
 *
@@ -113,6 +114,7 @@ void machine_kexec(struct kimage *image)
 {
        unsigned long page_list[PAGES_NR];
        void *control_page;
+        int save_ftrace_enabled;
        asmlinkage unsigned long
                (*relocate_kernel_ptr)(unsigned long indirection_page,
                                       unsigned long control_page,
@@ -120,7 +122,12 @@ void machine_kexec(struct kimage *image)
                                       unsigned int has_pae,
                                       unsigned int preserve_context);
-        tracer_disable();
+#ifdef CONFIG_KEXEC_JUMP
+        if (kexec_image->preserve_context)
+                save_processor_state();
+#endif
+        save_ftrace_enabled = __ftrace_enabled_save();
        /* Interrupts aren't acceptable while we reboot */
        local_irq_disable();
@@ -138,7 +145,7 @@ void machine_kexec(struct kimage *image)
        }
        control_page = page_address(image->control_code_page);
-        memcpy(control_page, relocate_kernel, PAGE_SIZE/2);
+        memcpy(control_page, relocate_kernel, KEXEC_CONTROL_CODE_MAX_SIZE);
        relocate_kernel_ptr = control_page;
        page_list[PA_CONTROL_PAGE] = __pa(control_page);
@@ -178,6 +185,13 @@ void machine_kexec(struct kimage *image)
                                           (unsigned long)page_list,
                                           image->start, cpu_has_pae,
                                           image->preserve_context);
+#ifdef CONFIG_KEXEC_JUMP
+        if (kexec_image->preserve_context)
+                restore_processor_state();
+#endif
+        __ftrace_enabled_restore(save_ftrace_enabled);
 }
 void arch_crash_save_vmcoreinfo(void)
diff --git a/arch/x86/kernel/mfgpt_32.c b/arch/x86/kernel/mfgpt_32.c
index 07c0f828f488..3b599518c322 100644
--- a/arch/x86/kernel/mfgpt_32.c
+++ b/arch/x86/kernel/mfgpt_32.c
@@ -33,6 +33,8 @@
 #include <linux/module.h>
 #include <asm/geode.h>
+#define MFGPT_DEFAULT_IRQ       7
 static struct mfgpt_timer_t {
        unsigned int avail:1;
 } mfgpt_timers[MFGPT_MAX_TIMERS];
@@ -157,29 +159,48 @@ int geode_mfgpt_toggle_event(int timer, int cmp, int event, int enable)
 }
 EXPORT_SYMBOL_GPL(geode_mfgpt_toggle_event);
-int geode_mfgpt_set_irq(int timer, int cmp, int irq, int enable)
+int geode_mfgpt_set_irq(int timer, int cmp, int *irq, int enable)
 {
-        u32 val, dummy;
+        u32 zsel, lpc, dummy;
-        int offset;
+        int shift;
        if (timer < 0 || timer >= MFGPT_MAX_TIMERS)
                return -EIO;
-        if (geode_mfgpt_toggle_event(timer, cmp, MFGPT_EVENT_IRQ, enable))
+        /*
+         * Unfortunately, MFGPTs come in pairs sharing their IRQ lines. If VSA
+         * is using the same CMP of the timer's Siamese twin, the IRQ is set to
+         * 2, and we mustn't use nor change it.
+         * XXX: Likewise, 2 Linux drivers might clash if the 2nd overwrites the
+         * IRQ of the 1st. This can only happen if forcing an IRQ, calling this
+         * with *irq==0 is safe. Currently there _are_ no 2 drivers.
+         */
+        rdmsr(MSR_PIC_ZSEL_LOW, zsel, dummy);
+        shift = ((cmp == MFGPT_CMP1 ? 0 : 4) + timer % 4) * 4;
+        if (((zsel >> shift) & 0xF) == 2)
                return -EIO;
-        rdmsr(MSR_PIC_ZSEL_LOW, val, dummy);
+        /* Choose IRQ: if none supplied, keep IRQ already set or use default */
+        if (!*irq)
+                *irq = (zsel >> shift) & 0xF;
+        if (!*irq)
+                *irq = MFGPT_DEFAULT_IRQ;
-        offset = (timer % 4) * 4;
+        /* Can't use IRQ if it's 0 (=disabled), 2, or routed to LPC */
+        if (*irq < 1 || *irq == 2 || *irq > 15)
-        val &= ~((0xF << offset) | (0xF << (offset + 16)));
+                return -EIO;
+        rdmsr(MSR_PIC_IRQM_LPC, lpc, dummy);
+        if (lpc & (1 << *irq))
+                return -EIO;
+        /* All chosen and checked - go for it */
+        if (geode_mfgpt_toggle_event(timer, cmp, MFGPT_EVENT_IRQ, enable))
+                return -EIO;
        if (enable) {
-                val |= (irq & 0x0F) << (offset);
+                zsel = (zsel & ~(0xF << shift)) | (*irq << shift);
-                val |= (irq & 0x0F) << (offset + 16);
+                wrmsr(MSR_PIC_ZSEL_LOW, zsel, dummy);
        }
-        wrmsr(MSR_PIC_ZSEL_LOW, val, dummy);
        return 0;
 }
@@ -242,7 +263,7 @@ EXPORT_SYMBOL_GPL(geode_mfgpt_alloc_timer);
 static unsigned int mfgpt_tick_mode = CLOCK_EVT_MODE_SHUTDOWN;
 static u16 mfgpt_event_clock;
-static int irq = 7;
+static int irq;
 static int __init mfgpt_setup(char *str)
 {
        get_option(&str, &irq);
@@ -346,7 +367,7 @@ int __init mfgpt_timer_setup(void)
        mfgpt_event_clock = timer;
        /* Set up the IRQ on the MFGPT side */
-        if (geode_mfgpt_setup_irq(mfgpt_event_clock, MFGPT_CMP2, irq)) {
+        if (geode_mfgpt_setup_irq(mfgpt_event_clock, MFGPT_CMP2, &irq)) {
                printk(KERN_ERR "mfgpt-timer:  Could not set up IRQ %d\n", irq);
                return -EIO;
        }
@@ -374,13 +395,14 @@ int __init mfgpt_timer_setup(void)
                        &mfgpt_clockevent);
        printk(KERN_INFO
-               "mfgpt-timer:  registering the MFGPT timer as a clock event.\n");
+               "mfgpt-timer:  Registering MFGPT timer %d as a clock event, using IRQ %d\n",
+               timer, irq);
        clockevents_register_device(&mfgpt_clockevent);
        return 0;
 err:
-        geode_mfgpt_release_irq(mfgpt_event_clock, MFGPT_CMP2, irq);
+        geode_mfgpt_release_irq(mfgpt_event_clock, MFGPT_CMP2, &irq);
        printk(KERN_ERR
               "mfgpt-timer:  Unable to set up the MFGPT clock source\n");
        return -EIO;
diff --git a/arch/x86/kernel/mmconf-fam10h_64.c b/arch/x86/kernel/mmconf-fam10h_64.c
index fdfdc550b366..efc2f361fe85 100644
--- a/arch/x86/kernel/mmconf-fam10h_64.c
+++ b/arch/x86/kernel/mmconf-fam10h_64.c
@@ -238,7 +238,7 @@ static struct dmi_system_id __devinitdata mmconf_dmi_table[] = {
        {}
 };
-void __init check_enable_amd_mmconf_dmi(void)
+void __cpuinit check_enable_amd_mmconf_dmi(void)
 {
        dmi_check_system(mmconf_dmi_table);
 }
diff --git a/arch/x86/kernel/mpparse.c b/arch/x86/kernel/mpparse.c
index 678090508a62..b3fb430725cb 100644
--- a/arch/x86/kernel/mpparse.c
+++ b/arch/x86/kernel/mpparse.c
@@ -49,7 +49,7 @@ static int __init mpf_checksum(unsigned char *mp, int len)
        return sum & 0xFF;
 }
-static void __cpuinit MP_processor_info(struct mpc_config_processor *m)
+static void __init MP_processor_info(struct mpc_config_processor *m)
 {
        int apicid;
        char *bootup_cpu = "";
@@ -484,7 +484,7 @@ static void __init construct_default_ioirq_mptable(int mpc_default_type)
 }
-static void construct_ioapic_table(int mpc_default_type)
+static void __init construct_ioapic_table(int mpc_default_type)
 {
        struct mpc_config_ioapic ioapic;
        struct mpc_config_bus bus;
@@ -529,7 +529,7 @@ static void construct_ioapic_table(int mpc_default_type)
        construct_default_ioirq_mptable(mpc_default_type);
 }
 #else
-static inline void construct_ioapic_table(int mpc_default_type) { }
+static inline void __init construct_ioapic_table(int mpc_default_type) { }
 #endif
 static inline void __init construct_default_ISA_mptable(int mpc_default_type)
diff --git a/arch/x86/kernel/msr.c b/arch/x86/kernel/msr.c
index 9fd809552447..2e2af5d18191 100644
--- a/arch/x86/kernel/msr.c
+++ b/arch/x86/kernel/msr.c
@@ -72,21 +72,28 @@ static ssize_t msr_read(struct file *file, 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) {
                err = rdmsr_safe_on_cpu(cpu, reg, &data[0], &data[1]);
-                if (err)
+                if (err) {
-                        return -EIO;
+                        if (err == -EFAULT) /* Fix idiotic error code */
-                if (copy_to_user(tmp, &data, 8))
+                                err = -EIO;
-                        return -EFAULT;
+                        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,
@@ -96,21 +103,28 @@ 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))
+                if (copy_from_user(&data, tmp, 8)) {
-                        return -EFAULT;
+                        err = -EFAULT;
+                        break;
+                }
                err = wrmsr_safe_on_cpu(cpu, reg, data[0], data[1]);
-                if (err)
+                if (err) {
-                        return -EIO;
+                        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)
@@ -131,7 +145,7 @@ static int msr_open(struct inode *inode, struct file *file)
                ret = -EIO;     /* MSR not supported */
 out:
        unlock_kernel();
-        return 0;
+        return ret;
 }
 /*
diff --git a/arch/x86/kernel/nmi.c b/arch/x86/kernel/nmi.c
index ac6d51222e7d..abb78a2cc4ad 100644
--- a/arch/x86/kernel/nmi.c
+++ b/arch/x86/kernel/nmi.c
@@ -114,6 +114,23 @@ static __init void nmi_cpu_busy(void *data)
 }
 #endif
+static void report_broken_nmi(int cpu, int *prev_nmi_count)
+{
+        printk(KERN_CONT "\n");
+        printk(KERN_WARNING
+                "WARNING: CPU#%d: NMI appears to be stuck (%d->%d)!\n",
+                        cpu, prev_nmi_count[cpu], get_nmi_count(cpu));
+        printk(KERN_WARNING
+                "Please report this to bugzilla.kernel.org,\n");
+        printk(KERN_WARNING
+                "and attach the output of the 'dmesg' command.\n");
+        per_cpu(wd_enabled, cpu) = 0;
+        atomic_dec(&nmi_active);
+}
 int __init check_nmi_watchdog(void)
 {
        unsigned int *prev_nmi_count;
@@ -141,15 +158,8 @@ int __init check_nmi_watchdog(void)
        for_each_online_cpu(cpu) {
                if (!per_cpu(wd_enabled, cpu))
                        continue;
-                if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5) {
+                if (get_nmi_count(cpu) - prev_nmi_count[cpu] <= 5)
-                        printk(KERN_WARNING "WARNING: CPU#%d: NMI "
+                        report_broken_nmi(cpu, prev_nmi_count);
-                                "appears to be stuck (%d->%d)!\n",
-                                cpu,
-                                prev_nmi_count[cpu],
-                                get_nmi_count(cpu));
-                        per_cpu(wd_enabled, cpu) = 0;
-                        atomic_dec(&nmi_active);
-                }
        }
        endflag = 1;
        if (!atomic_read(&nmi_active)) {
diff --git a/arch/x86/kernel/numaq_32.c b/arch/x86/kernel/numaq_32.c
index b8c45610b20a..eecc8c18f010 100644
--- a/arch/x86/kernel/numaq_32.c
+++ b/arch/x86/kernel/numaq_32.c
@@ -73,7 +73,7 @@ static void __init smp_dump_qct(void)
 }
-void __init numaq_tsc_disable(void)
+void __cpuinit numaq_tsc_disable(void)
 {
        if (!found_numaq)
                return;
diff --git a/arch/x86/kernel/paravirt.c b/arch/x86/kernel/paravirt.c
index 94da4d52d798..300da17e61cb 100644
--- a/arch/x86/kernel/paravirt.c
+++ b/arch/x86/kernel/paravirt.c
@@ -471,7 +471,7 @@ struct pv_lock_ops pv_lock_ops = {
        .spin_unlock = __ticket_spin_unlock,
 #endif
 };
-EXPORT_SYMBOL_GPL(pv_lock_ops);
+EXPORT_SYMBOL(pv_lock_ops);
 EXPORT_SYMBOL_GPL(pv_time_ops);
 EXPORT_SYMBOL    (pv_cpu_ops);
diff --git a/arch/x86/kernel/pci-calgary_64.c b/arch/x86/kernel/pci-calgary_64.c
index 02d19328525d..dcdac6c826e9 100644
--- a/arch/x86/kernel/pci-calgary_64.c
+++ b/arch/x86/kernel/pci-calgary_64.c
@@ -343,9 +343,8 @@ static void iommu_free(struct iommu_table *tbl, dma_addr_t dma_addr,
        /* were we called with bad_dma_address? */
        badend = bad_dma_address + (EMERGENCY_PAGES * PAGE_SIZE);
        if (unlikely((dma_addr >= bad_dma_address) && (dma_addr < badend))) {
-                printk(KERN_ERR "Calgary: driver tried unmapping bad DMA "
+                WARN(1, KERN_ERR "Calgary: driver tried unmapping bad DMA "
                       "address 0x%Lx\n", dma_addr);
-                WARN_ON(1);
                return;
        }
@@ -1269,13 +1268,15 @@ static inline int __init determine_tce_table_size(u64 ram)
 static int __init build_detail_arrays(void)
 {
        unsigned long ptr;
-        int i, scal_detail_size, rio_detail_size;
+        unsigned numnodes, i;
+        int scal_detail_size, rio_detail_size;
-        if (rio_table_hdr->num_scal_dev > MAX_NUMNODES){
+        numnodes = rio_table_hdr->num_scal_dev;
+        if (numnodes > MAX_NUMNODES){
                printk(KERN_WARNING
                        "Calgary: MAX_NUMNODES too low! Defined as %d, "
                        "but system has %d nodes.\n",
-                        MAX_NUMNODES, rio_table_hdr->num_scal_dev);
+                        MAX_NUMNODES, numnodes);
                return -ENODEV;
        }
@@ -1296,8 +1297,7 @@ static int __init build_detail_arrays(void)
        }
        ptr = ((unsigned long)rio_table_hdr) + 3;
-        for (i = 0; i < rio_table_hdr->num_scal_dev;
+        for (i = 0; i < numnodes; i++, ptr += scal_detail_size)
-                    i++, ptr += scal_detail_size)
                scal_devs[i] = (struct scal_detail *)ptr;
        for (i = 0; i < rio_table_hdr->num_rio_dev;
@@ -1350,7 +1350,7 @@ static void calgary_init_bitmap_from_tce_table(struct iommu_table *tbl)
 * Function for kdump case. Get the tce tables from first kernel
 * by reading the contents of the base adress register of calgary iommu
 */
-static void get_tce_space_from_tar(void)
+static void __init get_tce_space_from_tar(void)
 {
        int bus;
        void __iomem *target;
diff --git a/arch/x86/kernel/process_32.c b/arch/x86/kernel/process_32.c
index 53bc653ed5ca..3b7a1ddcc0bc 100644
--- a/arch/x86/kernel/process_32.c
+++ b/arch/x86/kernel/process_32.c
@@ -95,7 +95,6 @@ static inline void play_dead(void)
 {
        /* This must be done before dead CPU ack */
        cpu_exit_clear();
-        wbinvd();
        mb();
        /* Ack it */
        __get_cpu_var(cpu_state) = CPU_DEAD;
@@ -104,8 +103,8 @@ static inline void play_dead(void)
         * With physical CPU hotplug, we should halt the cpu
         */
        local_irq_disable();
-        while (1)
+        /* mask all interrupts, flush any and all caches, and halt */
-                halt();
+        wbinvd_halt();
 }
 #else
 static inline void play_dead(void)
diff --git a/arch/x86/kernel/process_64.c b/arch/x86/kernel/process_64.c
index 3fb62a7d9a16..71553b664e2a 100644
--- a/arch/x86/kernel/process_64.c
+++ b/arch/x86/kernel/process_64.c
@@ -93,14 +93,13 @@ DECLARE_PER_CPU(int, cpu_state);
 static inline void play_dead(void)
 {
        idle_task_exit();
-        wbinvd();
        mb();
        /* Ack it */
        __get_cpu_var(cpu_state) = CPU_DEAD;
        local_irq_disable();
-        while (1)
+        /* mask all interrupts, flush any and all caches, and halt */
-                halt();
+        wbinvd_halt();
 }
 #else
 static inline void play_dead(void)
diff --git a/arch/x86/kernel/relocate_kernel_32.S b/arch/x86/kernel/relocate_kernel_32.S
index 703310a99023..6f50664b2ba5 100644
--- a/arch/x86/kernel/relocate_kernel_32.S
+++ b/arch/x86/kernel/relocate_kernel_32.S
@@ -20,10 +20,11 @@
 #define PAGE_ATTR (_PAGE_PRESENT | _PAGE_RW | _PAGE_ACCESSED | _PAGE_DIRTY)
 #define PAE_PGD_ATTR (_PAGE_PRESENT)
-/* control_page + PAGE_SIZE/2 ~ control_page + PAGE_SIZE * 3/4 are
+/* control_page + KEXEC_CONTROL_CODE_MAX_SIZE
- * used to save some data for jumping back
+ * ~ control_page + PAGE_SIZE are used as data storage and stack for
+ * jumping back
 */
-#define DATA(offset)            (PAGE_SIZE/2+(offset))
+#define DATA(offset)            (KEXEC_CONTROL_CODE_MAX_SIZE+(offset))
 /* Minimal CPU state */
 #define ESP                     DATA(0x0)
@@ -376,3 +377,6 @@ swap_pages:
        popl    %ebx
        popl    %ebp
        ret
+        .globl kexec_control_code_size
+.set kexec_control_code_size, . - relocate_kernel
diff --git a/arch/x86/kernel/setup.c b/arch/x86/kernel/setup.c
index 68b48e3fbcbd..362d4e7f2d38 100644
--- a/arch/x86/kernel/setup.c
+++ b/arch/x86/kernel/setup.c
@@ -445,7 +445,7 @@ static void __init reserve_early_setup_data(void)
 * @size: Size of the crashkernel memory to reserve.
 * Returns the base address on success, and -1ULL on failure.
 */
-unsigned long long find_and_reserve_crashkernel(unsigned long long size)
+unsigned long long __init find_and_reserve_crashkernel(unsigned long long size)
 {
        const unsigned long long alignment = 16<<20;    /* 16M */
        unsigned long long start = 0LL;
@@ -604,14 +604,6 @@ void __init setup_arch(char **cmdline_p)
        early_cpu_init();
        early_ioremap_init();
-#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
-        /*
-         * Must be before kernel pagetables are setup
-         * or fixmap area is touched.
-         */
-        vmi_init();
-#endif
        ROOT_DEV = old_decode_dev(boot_params.hdr.root_dev);
        screen_info = boot_params.screen_info;
        edid_info = boot_params.edid_info;
@@ -678,6 +670,14 @@ void __init setup_arch(char **cmdline_p)
        parse_early_param();
+#if defined(CONFIG_VMI) && defined(CONFIG_X86_32)
+        /*
+         * Must be before kernel pagetables are setup
+         * or fixmap area is touched.
+         */
+        vmi_init();
+#endif
        /* after early param, so could get panic from serial */
        reserve_early_setup_data();
diff --git a/arch/x86/kernel/signal_64.c b/arch/x86/kernel/signal_64.c
index b45ef8ddd651..ca316b5b742c 100644
--- a/arch/x86/kernel/signal_64.c
+++ b/arch/x86/kernel/signal_64.c
@@ -104,7 +104,16 @@ static inline int restore_i387(struct _fpstate __user *buf)
                clts();
                task_thread_info(current)->status |= TS_USEDFPU;
        }
-        return restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
+        err = restore_fpu_checking((__force struct i387_fxsave_struct *)buf);
+        if (unlikely(err)) {
+                /*
+                 * Encountered an error while doing the restore from the
+                 * user buffer, clear the fpu state.
+                 */
+                clear_fpu(tsk);
+                clear_used_math();
+        }
+        return err;
 }
 /*
diff --git a/arch/x86/kernel/smpboot.c b/arch/x86/kernel/smpboot.c
index 91055d7fc1b0..7985c5b3f916 100644
--- a/arch/x86/kernel/smpboot.c
+++ b/arch/x86/kernel/smpboot.c
@@ -756,6 +756,14 @@ static void __cpuinit do_fork_idle(struct work_struct *work)
 }
 #ifdef CONFIG_X86_64
+/* __ref because it's safe to call free_bootmem when after_bootmem == 0. */
+static void __ref free_bootmem_pda(struct x8664_pda *oldpda)
+{
+        if (!after_bootmem)
+                free_bootmem((unsigned long)oldpda, sizeof(*oldpda));
+}
 /*
 * Allocate node local memory for the AP pda.
 *
@@ -784,8 +792,7 @@ int __cpuinit get_local_pda(int cpu)
        if (oldpda) {
                memcpy(newpda, oldpda, size);
-                if (!after_bootmem)
+                free_bootmem_pda(oldpda);
-                        free_bootmem((unsigned long)oldpda, size);
        }
        newpda->in_bootmem = 0;
@@ -994,17 +1001,7 @@ int __cpuinit native_cpu_up(unsigned int cpu)
        flush_tlb_all();
        low_mappings = 1;
-#ifdef CONFIG_X86_PC
-        if (def_to_bigsmp && apicid > 8) {
-                printk(KERN_WARNING
-                        "More than 8 CPUs detected - skipping them.\n"
-                        "Use CONFIG_X86_GENERICARCH and CONFIG_X86_BIGSMP.\n");
-                err = -1;
-        } else
-                err = do_boot_cpu(apicid, cpu);
-#else
        err = do_boot_cpu(apicid, cpu);
-#endif
        zap_low_mappings();
        low_mappings = 0;
@@ -1058,6 +1055,34 @@ static __init void disable_smp(void)
 static int __init smp_sanity_check(unsigned max_cpus)
 {
        preempt_disable();
+#if defined(CONFIG_X86_PC) && defined(CONFIG_X86_32)
+        if (def_to_bigsmp && nr_cpu_ids > 8) {
+                unsigned int cpu;
+                unsigned nr;
+                printk(KERN_WARNING
+                       "More than 8 CPUs detected - skipping them.\n"
+                       "Use CONFIG_X86_GENERICARCH and CONFIG_X86_BIGSMP.\n");
+                nr = 0;
+                for_each_present_cpu(cpu) {
+                        if (nr >= 8)
+                                cpu_clear(cpu, cpu_present_map);
+                        nr++;
+                }
+                nr = 0;
+                for_each_possible_cpu(cpu) {
+                        if (nr >= 8)
+                                cpu_clear(cpu, cpu_possible_map);
+                        nr++;
+                }
+                nr_cpu_ids = 8;
+        }
+#endif
        if (!physid_isset(hard_smp_processor_id(), phys_cpu_present_map)) {
                printk(KERN_WARNING "weird, boot CPU (#%d) not listed"
                                    "by the BIOS.\n", hard_smp_processor_id());
@@ -1196,6 +1221,9 @@ void __init native_smp_prepare_cpus(unsigned int max_cpus)
        printk(KERN_INFO "CPU%d: ", 0);
        print_cpu_info(&cpu_data(0));
        setup_boot_clock();
+        if (is_uv_system())
+                uv_system_init();
 out:
        preempt_enable();
 }
@@ -1386,17 +1414,3 @@ void __cpu_die(unsigned int cpu)
        BUG();
 }
 #endif
-/*
- * If the BIOS enumerates physical processors before logical,
- * maxcpus=N at enumeration-time can be used to disable HT.
- */
-static int __init parse_maxcpus(char *arg)
-{
-        extern unsigned int maxcpus;
-        if (arg)
-                maxcpus = simple_strtoul(arg, NULL, 0);
-        return 0;
-}
-early_param("maxcpus", parse_maxcpus);
diff --git a/arch/x86/kernel/smpcommon.c b/arch/x86/kernel/smpcommon.c
index 99941b37eca0..397e309839dd 100644
--- a/arch/x86/kernel/smpcommon.c
+++ b/arch/x86/kernel/smpcommon.c
@@ -8,18 +8,21 @@
 DEFINE_PER_CPU(unsigned long, this_cpu_off);
 EXPORT_PER_CPU_SYMBOL(this_cpu_off);
-/* Initialize the CPU's GDT.  This is either the boot CPU doing itself
+/*
-   (still using the master per-cpu area), or a CPU doing it for a
+ * Initialize the CPU's GDT.  This is either the boot CPU doing itself
-   secondary which will soon come up. */
+ * (still using the master per-cpu area), or a CPU doing it for a
+ * secondary which will soon come up.
+ */
 __cpuinit void init_gdt(int cpu)
 {
-        struct desc_struct *gdt = get_cpu_gdt_table(cpu);
+        struct desc_struct gdt;
-        pack_descriptor(&gdt[GDT_ENTRY_PERCPU],
+        pack_descriptor(&gdt, __per_cpu_offset[cpu], 0xFFFFF,
-                        __per_cpu_offset[cpu], 0xFFFFF,
                        0x2 | DESCTYPE_S, 0x8);
+        gdt.s = 1;
-        gdt[GDT_ENTRY_PERCPU].s = 1;
+        write_gdt_entry(get_cpu_gdt_table(cpu),
+                        GDT_ENTRY_PERCPU, &gdt, DESCTYPE_S);
        per_cpu(this_cpu_off, cpu) = __per_cpu_offset[cpu];
        per_cpu(cpu_number, cpu) = cpu;
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index d0fbb7712ab0..8b8c0d6640fa 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -17,6 +17,7 @@
 #include <asm/genapic.h>
 #include <asm/idle.h>
 #include <asm/tsc.h>
+#include <asm/irq_vectors.h>
 #include <mach_apic.h>
@@ -783,7 +784,7 @@ static int __init uv_bau_init(void)
                uv_init_blade(blade, node, cur_cpu);
                cur_cpu += uv_blade_nr_possible_cpus(blade);
        }
-        set_intr_gate(UV_BAU_MESSAGE, uv_bau_message_intr1);
+        alloc_intr_gate(UV_BAU_MESSAGE, uv_bau_message_intr1);
        uv_enable_timeouts();
        return 0;
diff --git a/arch/x86/kernel/traps_64.c b/arch/x86/kernel/traps_64.c
index 3f18d73f420c..513caaca7115 100644
--- a/arch/x86/kernel/traps_64.c
+++ b/arch/x86/kernel/traps_64.c
@@ -1131,7 +1131,14 @@ asmlinkage void math_state_restore(void)
        }
        clts();                         /* Allow maths ops (or we recurse) */
-        restore_fpu_checking(&me->thread.xstate->fxsave);
+        /*
+         * Paranoid restore. send a SIGSEGV if we fail to restore the state.
+         */
+        if (unlikely(restore_fpu_checking(&me->thread.xstate->fxsave))) {
+                stts();
+                force_sig(SIGSEGV, me);
+                return;
+        }
        task_thread_info(me)->status |= TS_USEDFPU;
        me->fpu_counter++;
 }
diff --git a/arch/x86/kernel/tsc.c b/arch/x86/kernel/tsc.c
index 7603c0553909..8f98e9de1b82 100644
--- a/arch/x86/kernel/tsc.c
+++ b/arch/x86/kernel/tsc.c
@@ -104,7 +104,7 @@ __setup("notsc", notsc_setup);
 /*
 * Read TSC and the reference counters. Take care of SMI disturbance
 */
-static u64 __init tsc_read_refs(u64 *pm, u64 *hpet)
+static u64 tsc_read_refs(u64 *pm, u64 *hpet)
 {
        u64 t1, t2;
        int i;
@@ -122,80 +122,216 @@ static u64 __init tsc_read_refs(u64 *pm, u64 *hpet)
        return ULLONG_MAX;
 }
-/**
+/*
- * native_calibrate_tsc - calibrate the tsc on boot
+ * Try to calibrate the TSC against the Programmable
+ * Interrupt Timer and return the frequency of the TSC
+ * in kHz.
+ *
+ * Return ULONG_MAX on failure to calibrate.
 */
-unsigned long native_calibrate_tsc(void)
+static unsigned long pit_calibrate_tsc(void)
 {
-        unsigned long flags;
+        u64 tsc, t1, t2, delta;
-        u64 tsc1, tsc2, tr1, tr2, delta, pm1, pm2, hpet1, hpet2;
+        unsigned long tscmin, tscmax;
-        int hpet = is_hpet_enabled();
+        int pitcnt;
-        unsigned int tsc_khz_val = 0;
-        local_irq_save(flags);
-        tsc1 = tsc_read_refs(&pm1, hpet ? &hpet1 : NULL);
+        /* Set the Gate high, disable speaker */
        outb((inb(0x61) & ~0x02) | 0x01, 0x61);
+        /*
+         * Setup CTC channel 2* for mode 0, (interrupt on terminal
+         * count mode), binary count. Set the latch register to 50ms
+         * (LSB then MSB) to begin countdown.
+         */
        outb(0xb0, 0x43);
        outb((CLOCK_TICK_RATE / (1000 / 50)) & 0xff, 0x42);
        outb((CLOCK_TICK_RATE / (1000 / 50)) >> 8, 0x42);
-        tr1 = get_cycles();
-        while ((inb(0x61) & 0x20) == 0);
-        tr2 = get_cycles();
-        tsc2 = tsc_read_refs(&pm2, hpet ? &hpet2 : NULL);
+        tsc = t1 = t2 = get_cycles();
-        local_irq_restore(flags);
+        pitcnt = 0;
+        tscmax = 0;
+        tscmin = ULONG_MAX;
+        while ((inb(0x61) & 0x20) == 0) {
+                t2 = get_cycles();
+                delta = t2 - tsc;
+                tsc = t2;
+                if ((unsigned long) delta < tscmin)
+                        tscmin = (unsigned int) delta;
+                if ((unsigned long) delta > tscmax)
+                        tscmax = (unsigned int) delta;
+                pitcnt++;
+        }
        /*
-         * Preset the result with the raw and inaccurate PIT
+         * Sanity checks:
-         * calibration value
+         *
+         * If we were not able to read the PIT more than 5000
+         * times, then we have been hit by a massive SMI
+         *
+         * If the maximum is 10 times larger than the minimum,
+         * then we got hit by an SMI as well.
         */
-        delta = (tr2 - tr1);
+        if (pitcnt < 5000 || tscmax > 10 * tscmin)
+                return ULONG_MAX;
+        /* Calculate the PIT value */
+        delta = t2 - t1;
        do_div(delta, 50);
-        tsc_khz_val = delta;
+        return delta;
+}
+/**
+ * native_calibrate_tsc - calibrate the tsc on boot
+ */
+unsigned long native_calibrate_tsc(void)
+{
+        u64 tsc1, tsc2, delta, pm1, pm2, hpet1, hpet2;
+        unsigned long tsc_pit_min = ULONG_MAX, tsc_ref_min = ULONG_MAX;
+        unsigned long flags;
+        int hpet = is_hpet_enabled(), i;
+        /*
+         * Run 5 calibration loops to get the lowest frequency value
+         * (the best estimate). We use two different calibration modes
+         * here:
+         *
+         * 1) PIT loop. We set the PIT Channel 2 to oneshot mode and
+         * load a timeout of 50ms. We read the time right after we
+         * started the timer and wait until the PIT count down reaches
+         * zero. In each wait loop iteration we read the TSC and check
+         * the delta to the previous read. We keep track of the min
+         * and max values of that delta. The delta is mostly defined
+         * by the IO time of the PIT access, so we can detect when a
+         * SMI/SMM disturbance happend between the two reads. If the
+         * maximum time is significantly larger than the minimum time,
+         * then we discard the result and have another try.
+         *
+         * 2) Reference counter. If available we use the HPET or the
+         * PMTIMER as a reference to check the sanity of that value.
+         * We use separate TSC readouts and check inside of the
+         * reference read for a SMI/SMM disturbance. We dicard
+         * disturbed values here as well. We do that around the PIT
+         * calibration delay loop as we have to wait for a certain
+         * amount of time anyway.
+         */
+        for (i = 0; i < 5; i++) {
+                unsigned long tsc_pit_khz;
+                /*
+                 * Read the start value and the reference count of
+                 * hpet/pmtimer when available. Then do the PIT
+                 * calibration, which will take at least 50ms, and
+                 * read the end value.
+                 */
+                local_irq_save(flags);
+                tsc1 = tsc_read_refs(&pm1, hpet ? &hpet1 : NULL);
+                tsc_pit_khz = pit_calibrate_tsc();
+                tsc2 = tsc_read_refs(&pm2, hpet ? &hpet2 : NULL);
+                local_irq_restore(flags);
+                /* Pick the lowest PIT TSC calibration so far */
+                tsc_pit_min = min(tsc_pit_min, tsc_pit_khz);
+                /* hpet or pmtimer available ? */
+                if (!hpet && !pm1 && !pm2)
+                        continue;
+                /* Check, whether the sampling was disturbed by an SMI */
+                if (tsc1 == ULLONG_MAX || tsc2 == ULLONG_MAX)
+                        continue;
+                tsc2 = (tsc2 - tsc1) * 1000000LL;
+                if (hpet) {
+                        if (hpet2 < hpet1)
+                                hpet2 += 0x100000000ULL;
+                        hpet2 -= hpet1;
+                        tsc1 = ((u64)hpet2 * hpet_readl(HPET_PERIOD));
+                        do_div(tsc1, 1000000);
+                } else {
+                        if (pm2 < pm1)
+                                pm2 += (u64)ACPI_PM_OVRRUN;
+                        pm2 -= pm1;
+                        tsc1 = pm2 * 1000000000LL;
+                        do_div(tsc1, PMTMR_TICKS_PER_SEC);
+                }
+                do_div(tsc2, tsc1);
+                tsc_ref_min = min(tsc_ref_min, (unsigned long) tsc2);
+        }
+        /*
+         * Now check the results.
+         */
+        if (tsc_pit_min == ULONG_MAX) {
+                /* PIT gave no useful value */
+                printk(KERN_WARNING "TSC: Unable to calibrate against PIT\n");
+                /* We don't have an alternative source, disable TSC */
+                if (!hpet && !pm1 && !pm2) {
+                        printk("TSC: No reference (HPET/PMTIMER) available\n");
+                        return 0;
+                }
+                /* The alternative source failed as well, disable TSC */
+                if (tsc_ref_min == ULONG_MAX) {
+                        printk(KERN_WARNING "TSC: HPET/PMTIMER calibration "
+                               "failed due to SMI disturbance.\n");
+                        return 0;
+                }
+                /* Use the alternative source */
+                printk(KERN_INFO "TSC: using %s reference calibration\n",
+                       hpet ? "HPET" : "PMTIMER");
+                return tsc_ref_min;
+        }
-        /* hpet or pmtimer available ? */
+        /* We don't have an alternative source, use the PIT calibration value */
        if (!hpet && !pm1 && !pm2) {
-                printk(KERN_INFO "TSC calibrated against PIT\n");
+                printk(KERN_INFO "TSC: Using PIT calibration value\n");
-                goto out;
+                return tsc_pit_min;
        }
-        /* Check, whether the sampling was disturbed by an SMI */
+        /* The alternative source failed, use the PIT calibration value */
-        if (tsc1 == ULLONG_MAX || tsc2 == ULLONG_MAX) {
+        if (tsc_ref_min == ULONG_MAX) {
-                printk(KERN_WARNING "TSC calibration disturbed by SMI, "
+                printk(KERN_WARNING "TSC: HPET/PMTIMER calibration failed due "
-                                "using PIT calibration result\n");
+                       "to SMI disturbance. Using PIT calibration\n");
-                goto out;
+                return tsc_pit_min;
        }
-        tsc2 = (tsc2 - tsc1) * 1000000LL;
+        /* Check the reference deviation */
+        delta = ((u64) tsc_pit_min) * 100;
-        if (hpet) {
+        do_div(delta, tsc_ref_min);
-                printk(KERN_INFO "TSC calibrated against HPET\n");
-                if (hpet2 < hpet1)
+        /*
-                        hpet2 += 0x100000000ULL;
+         * If both calibration results are inside a 5% window, the we
-                hpet2 -= hpet1;
+         * use the lower frequency of those as it is probably the
-                tsc1 = ((u64)hpet2 * hpet_readl(HPET_PERIOD));
+         * closest estimate.
-                do_div(tsc1, 1000000);
+         */
-        } else {
+        if (delta >= 95 && delta <= 105) {
-                printk(KERN_INFO "TSC calibrated against PM_TIMER\n");
+                printk(KERN_INFO "TSC: PIT calibration confirmed by %s.\n",
-                if (pm2 < pm1)
+                       hpet ? "HPET" : "PMTIMER");
-                        pm2 += (u64)ACPI_PM_OVRRUN;
+                printk(KERN_INFO "TSC: using %s calibration value\n",
-                pm2 -= pm1;
+                       tsc_pit_min <= tsc_ref_min ? "PIT" :
-                tsc1 = pm2 * 1000000000LL;
+                       hpet ? "HPET" : "PMTIMER");
-                do_div(tsc1, PMTMR_TICKS_PER_SEC);
+                return tsc_pit_min <= tsc_ref_min ? tsc_pit_min : tsc_ref_min;
        }
-        do_div(tsc2, tsc1);
+        printk(KERN_WARNING "TSC: PIT calibration deviates from %s: %lu %lu.\n",
-        tsc_khz_val = tsc2;
+               hpet ? "HPET" : "PMTIMER", tsc_pit_min, tsc_ref_min);
-out:
+        /*
-        return tsc_khz_val;
+         * The calibration values differ too much. In doubt, we use
+         * the PIT value as we know that there are PMTIMERs around
+         * running at double speed.
+         */
+        printk(KERN_INFO "TSC: Using PIT calibration value\n");
+        return tsc_pit_min;
 }
 #ifdef CONFIG_X86_32
 /* Only called from the Powernow K7 cpu freq driver */
 int recalibrate_cpu_khz(void)
@@ -314,7 +450,7 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
                        mark_tsc_unstable("cpufreq changes");
        }
-        set_cyc2ns_scale(tsc_khz_ref, freq->cpu);
+        set_cyc2ns_scale(tsc_khz, freq->cpu);
        return 0;
 }
@@ -325,6 +461,10 @@ static struct notifier_block time_cpufreq_notifier_block = {
 static int __init cpufreq_tsc(void)
 {
+        if (!cpu_has_tsc)
+                return 0;
+        if (boot_cpu_has(X86_FEATURE_CONSTANT_TSC))
+                return 0;
        cpufreq_register_notifier(&time_cpufreq_notifier_block,
                                CPUFREQ_TRANSITION_NOTIFIER);
        return 0;
diff --git a/arch/x86/kernel/tsc_sync.c b/arch/x86/kernel/tsc_sync.c
index 0577825cf89b..9ffb01c31c40 100644
--- a/arch/x86/kernel/tsc_sync.c
+++ b/arch/x86/kernel/tsc_sync.c
@@ -88,11 +88,9 @@ static __cpuinit void check_tsc_warp(void)
                        __raw_spin_unlock(&sync_lock);
                }
        }
-        if (!(now-start)) {
+        WARN(!(now-start),
-                printk("Warning: zero tsc calibration delta: %Ld [max: %Ld]\n",
+                "Warning: zero tsc calibration delta: %Ld [max: %Ld]\n",
                        now-start, end-start);
-                WARN_ON(1);
-        }
 }
 /*
diff --git a/arch/x86/kernel/visws_quirks.c b/arch/x86/kernel/visws_quirks.c
index 41e01b145c48..594ef47f0a63 100644
--- a/arch/x86/kernel/visws_quirks.c
+++ b/arch/x86/kernel/visws_quirks.c
@@ -184,8 +184,6 @@ static int __init visws_get_smp_config(unsigned int early)
        return 1;
 }
-extern unsigned int __cpuinitdata maxcpus;
 /*
 * The Visual Workstation is Intel MP compliant in the hardware
 * sense, but it doesn't have a BIOS(-configuration table).
@@ -244,8 +242,8 @@ static int __init visws_find_smp_config(unsigned int reserve)
                ncpus = CO_CPU_MAX;
        }
-        if (ncpus > maxcpus)
+        if (ncpus > setup_max_cpus)
-                ncpus = maxcpus;
+                ncpus = setup_max_cpus;
 #ifdef CONFIG_X86_LOCAL_APIC
        smp_found_config = 1;
diff --git a/arch/x86/kernel/vmlinux_32.lds.S b/arch/x86/kernel/vmlinux_32.lds.S
index cdb2363697d2..af5bdad84604 100644
--- a/arch/x86/kernel/vmlinux_32.lds.S
+++ b/arch/x86/kernel/vmlinux_32.lds.S
@@ -209,3 +209,11 @@ SECTIONS
  DWARF_DEBUG
 }
+#ifdef CONFIG_KEXEC
+/* Link time checks */
+#include <asm/kexec.h>
+ASSERT(kexec_control_code_size <= KEXEC_CONTROL_CODE_MAX_SIZE,
+       "kexec control code size is too big")
+#endif
diff --git a/arch/x86/kvm/paging_tmpl.h b/arch/x86/kvm/paging_tmpl.h
index f72ac1fa35f0..4a814bff21f2 100644
--- a/arch/x86/kvm/paging_tmpl.h
+++ b/arch/x86/kvm/paging_tmpl.h
@@ -345,7 +345,7 @@ static u64 *FNAME(fetch)(struct kvm_vcpu *vcpu, gva_t addr,
                shadow_addr = __pa(shadow_page->spt);
                shadow_pte = shadow_addr | PT_PRESENT_MASK | PT_ACCESSED_MASK
                        | PT_WRITABLE_MASK | PT_USER_MASK;
-                *shadow_ent = shadow_pte;
+                set_shadow_pte(shadow_ent, shadow_pte);
        }
        mmu_set_spte(vcpu, shadow_ent, access, walker->pte_access & access,
diff --git a/arch/x86/lib/msr-on-cpu.c b/arch/x86/lib/msr-on-cpu.c
index d5a2b39f882b..01b868ba82f8 100644
--- a/arch/x86/lib/msr-on-cpu.c
+++ b/arch/x86/lib/msr-on-cpu.c
@@ -30,10 +30,11 @@ static int _rdmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 *l, u32 *h, int safe)
        rv.msr_no = msr_no;
        if (safe) {
-                smp_call_function_single(cpu, __rdmsr_safe_on_cpu, &rv, 1);
+                err = smp_call_function_single(cpu, __rdmsr_safe_on_cpu,
-                err = rv.err;
+                                               &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;
@@ -64,23 +65,24 @@ static int _wrmsr_on_cpu(unsigned int cpu, u32 msr_no, u32 l, u32 h, int safe)
        rv.l = l;
        rv.h = h;
        if (safe) {
-                smp_call_function_single(cpu, __wrmsr_safe_on_cpu, &rv, 1);
+                err = smp_call_function_single(cpu, __wrmsr_safe_on_cpu,
-                err = rv.err;
+                                               &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
diff --git a/arch/x86/mach-rdc321x/platform.c b/arch/x86/mach-rdc321x/platform.c
index a037041817c7..4f4e50c3ad3b 100644
--- a/arch/x86/mach-rdc321x/platform.c
+++ b/arch/x86/mach-rdc321x/platform.c
@@ -25,7 +25,6 @@
 #include <linux/list.h>
 #include <linux/device.h>
 #include <linux/platform_device.h>
-#include <linux/version.h>
 #include <linux/leds.h>
 #include <asm/gpio.h>
diff --git a/arch/x86/mm/init_64.c b/arch/x86/mm/init_64.c
index 129618ca0ea2..d3746efb060d 100644
--- a/arch/x86/mm/init_64.c
+++ b/arch/x86/mm/init_64.c
@@ -60,7 +60,7 @@ static unsigned long dma_reserve __initdata;
 DEFINE_PER_CPU(struct mmu_gather, mmu_gathers);
-int direct_gbpages __meminitdata
+int direct_gbpages
 #ifdef CONFIG_DIRECT_GBPAGES
                                = 1
 #endif
@@ -88,7 +88,11 @@ early_param("gbpages", parse_direct_gbpages_on);
 int after_bootmem;
-static __init void *spp_getpage(void)
+/*
+ * NOTE: This function is marked __ref because it calls __init function
+ * (alloc_bootmem_pages). It's safe to do it ONLY when after_bootmem == 0.
+ */
+static __ref void *spp_getpage(void)
 {
        void *ptr;
@@ -237,7 +241,7 @@ static unsigned long __initdata table_start;
 static unsigned long __meminitdata table_end;
 static unsigned long __meminitdata table_top;
-static __meminit void *alloc_low_page(unsigned long *phys)
+static __ref void *alloc_low_page(unsigned long *phys)
 {
        unsigned long pfn = table_end++;
        void *adr;
@@ -258,7 +262,7 @@ static __meminit void *alloc_low_page(unsigned long *phys)
        return adr;
 }
-static __meminit void unmap_low_page(void *adr)
+static __ref void unmap_low_page(void *adr)
 {
        if (after_bootmem)
                return;
@@ -314,6 +318,7 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end,
 {
        unsigned long pages = 0;
        unsigned long last_map_addr = end;
+        unsigned long start = address;
        int i = pmd_index(address);
@@ -331,16 +336,24 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end,
                }
                if (pmd_val(*pmd)) {
-                        if (!pmd_large(*pmd))
+                        if (!pmd_large(*pmd)) {
+                                spin_lock(&init_mm.page_table_lock);
                                last_map_addr = phys_pte_update(pmd, address,
-                                                                 end);
+                                                                end);
+                                spin_unlock(&init_mm.page_table_lock);
+                        }
+                        /* Count entries we're using from level2_ident_pgt */
+                        if (start == 0)
+                                pages++;
                        continue;
                }
                if (page_size_mask & (1<<PG_LEVEL_2M)) {
                        pages++;
+                        spin_lock(&init_mm.page_table_lock);
                        set_pte((pte_t *)pmd,
                                pfn_pte(address >> PAGE_SHIFT, PAGE_KERNEL_LARGE));
+                        spin_unlock(&init_mm.page_table_lock);
                        last_map_addr = (address & PMD_MASK) + PMD_SIZE;
                        continue;
                }
@@ -349,7 +362,9 @@ phys_pmd_init(pmd_t *pmd_page, unsigned long address, unsigned long end,
                last_map_addr = phys_pte_init(pte, address, end);
                unmap_low_page(pte);
+                spin_lock(&init_mm.page_table_lock);
                pmd_populate_kernel(&init_mm, pmd, __va(pte_phys));
+                spin_unlock(&init_mm.page_table_lock);
        }
        update_page_count(PG_LEVEL_2M, pages);
        return last_map_addr;
@@ -362,9 +377,7 @@ phys_pmd_update(pud_t *pud, unsigned long address, unsigned long end,
        pmd_t *pmd = pmd_offset(pud, 0);
        unsigned long last_map_addr;
-        spin_lock(&init_mm.page_table_lock);
        last_map_addr = phys_pmd_init(pmd, address, end, page_size_mask);
-        spin_unlock(&init_mm.page_table_lock);
        __flush_tlb_all();
        return last_map_addr;
 }
@@ -400,20 +413,21 @@ phys_pud_init(pud_t *pud_page, unsigned long addr, unsigned long end,
                if (page_size_mask & (1<<PG_LEVEL_1G)) {
                        pages++;
+                        spin_lock(&init_mm.page_table_lock);
                        set_pte((pte_t *)pud,
                                pfn_pte(addr >> PAGE_SHIFT, PAGE_KERNEL_LARGE));
+                        spin_unlock(&init_mm.page_table_lock);
                        last_map_addr = (addr & PUD_MASK) + PUD_SIZE;
                        continue;
                }
                pmd = alloc_low_page(&pmd_phys);
-                spin_lock(&init_mm.page_table_lock);
                last_map_addr = phys_pmd_init(pmd, addr, end, page_size_mask);
                unmap_low_page(pmd);
+                spin_lock(&init_mm.page_table_lock);
                pud_populate(&init_mm, pud, __va(pmd_phys));
                spin_unlock(&init_mm.page_table_lock);
        }
        __flush_tlb_all();
        update_page_count(PG_LEVEL_1G, pages);
@@ -505,16 +519,14 @@ static unsigned long __init kernel_physical_mapping_init(unsigned long start,
                        continue;
                }
-                if (after_bootmem)
+                pud = alloc_low_page(&pud_phys);
-                        pud = pud_offset(pgd, start & PGDIR_MASK);
-                else
-                        pud = alloc_low_page(&pud_phys);
                last_map_addr = phys_pud_init(pud, __pa(start), __pa(next),
                                                 page_size_mask);
                unmap_low_page(pud);
-                pgd_populate(&init_mm, pgd_offset_k(start),
-                             __va(pud_phys));
+                spin_lock(&init_mm.page_table_lock);
+                pgd_populate(&init_mm, pgd, __va(pud_phys));
+                spin_unlock(&init_mm.page_table_lock);
        }
        return last_map_addr;
diff --git a/arch/x86/mm/ioremap.c b/arch/x86/mm/ioremap.c
index 016f335bbeea..d4b6e6a29ae3 100644
--- a/arch/x86/mm/ioremap.c
+++ b/arch/x86/mm/ioremap.c
@@ -170,7 +170,7 @@ static void __iomem *__ioremap_caller(resource_size_t phys_addr,
        phys_addr &= PAGE_MASK;
        size = PAGE_ALIGN(last_addr+1) - phys_addr;
-        retval = reserve_memtype(phys_addr, phys_addr + size,
+        retval = reserve_memtype(phys_addr, (u64)phys_addr + size,
                                                prot_val, &new_prot_val);
        if (retval) {
                pr_debug("Warning: reserve_memtype returned %d\n", retval);
@@ -553,13 +553,11 @@ static int __init check_early_ioremap_leak(void)
 {
        if (!early_ioremap_nested)
                return 0;
+        WARN(1, KERN_WARNING
-        printk(KERN_WARNING
               "Debug warning: early ioremap leak of %d areas detected.\n",
-               early_ioremap_nested);
+                early_ioremap_nested);
        printk(KERN_WARNING
-               "please boot with early_ioremap_debug and report the dmesg.\n");
+                "please boot with early_ioremap_debug and report the dmesg.\n");
-        WARN_ON(1);
        return 1;
 }
diff --git a/arch/x86/mm/mmio-mod.c b/arch/x86/mm/mmio-mod.c
index e7397e108beb..635b50e85581 100644
--- a/arch/x86/mm/mmio-mod.c
+++ b/arch/x86/mm/mmio-mod.c
@@ -430,7 +430,9 @@ static void enter_uniprocessor(void)
                                                "may miss events.\n");
 }
-static void leave_uniprocessor(void)
+/* __ref because leave_uniprocessor calls cpu_up which is __cpuinit,
+   but this whole function is ifdefed CONFIG_HOTPLUG_CPU */
+static void __ref leave_uniprocessor(void)
 {
        int cpu;
        int err;
diff --git a/arch/x86/mm/pageattr-test.c b/arch/x86/mm/pageattr-test.c
index 0dcd42eb94e6..d4aa503caaa2 100644
--- a/arch/x86/mm/pageattr-test.c
+++ b/arch/x86/mm/pageattr-test.c
@@ -221,8 +221,7 @@ static int pageattr_test(void)
        failed += print_split(&sc);
        if (failed) {
-                printk(KERN_ERR "NOT PASSED. Please report.\n");
+                WARN(1, KERN_ERR "NOT PASSED. Please report.\n");
-                WARN_ON(1);
                return -EINVAL;
        } else {
                if (print)
diff --git a/arch/x86/mm/pageattr.c b/arch/x86/mm/pageattr.c
index 65c6e46bf059..43e2f8483e4f 100644
--- a/arch/x86/mm/pageattr.c
+++ b/arch/x86/mm/pageattr.c
@@ -55,13 +55,19 @@ static void split_page_count(int level)
 int arch_report_meminfo(char *page)
 {
-        int n = sprintf(page, "DirectMap4k:  %8lu\n"
+        int n = sprintf(page, "DirectMap4k:  %8lu kB\n",
-                        "DirectMap2M:  %8lu\n",
+                        direct_pages_count[PG_LEVEL_4K] << 2);
-                        direct_pages_count[PG_LEVEL_4K],
+#if defined(CONFIG_X86_64) || defined(CONFIG_X86_PAE)
-                        direct_pages_count[PG_LEVEL_2M]);
+        n += sprintf(page + n, "DirectMap2M:  %8lu kB\n",
+                        direct_pages_count[PG_LEVEL_2M] << 11);
+#else
+        n += sprintf(page + n, "DirectMap4M:  %8lu kB\n",
+                        direct_pages_count[PG_LEVEL_2M] << 12);
+#endif
 #ifdef CONFIG_X86_64
-        n += sprintf(page + n, "DirectMap1G:  %8lu\n",
+        if (direct_gbpages)
-                     direct_pages_count[PG_LEVEL_1G]);
+                n += sprintf(page + n, "DirectMap1G:  %8lu kB\n",
+                        direct_pages_count[PG_LEVEL_1G] << 20);
 #endif
        return n;
 }
@@ -592,10 +598,9 @@ repeat:
        if (!pte_val(old_pte)) {
                if (!primary)
                        return 0;
-                printk(KERN_WARNING "CPA: called for zero pte. "
+                WARN(1, KERN_WARNING "CPA: called for zero pte. "
                       "vaddr = %lx cpa->vaddr = %lx\n", address,
                       cpa->vaddr);
-                WARN_ON(1);
                return -EINVAL;
        }
@@ -844,7 +849,7 @@ int set_memory_uc(unsigned long addr, int numpages)
        /*
         * for now UC MINUS. see comments in ioremap_nocache()
         */
-        if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
+        if (reserve_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE,
                            _PAGE_CACHE_UC_MINUS, NULL))
                return -EINVAL;
@@ -863,7 +868,7 @@ int set_memory_wc(unsigned long addr, int numpages)
        if (!pat_enabled)
                return set_memory_uc(addr, numpages);
-        if (reserve_memtype(addr, addr + numpages * PAGE_SIZE,
+        if (reserve_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE,
                _PAGE_CACHE_WC, NULL))
                return -EINVAL;
@@ -879,7 +884,7 @@ int _set_memory_wb(unsigned long addr, int numpages)
 int set_memory_wb(unsigned long addr, int numpages)
 {
-        free_memtype(addr, addr + numpages * PAGE_SIZE);
+        free_memtype(__pa(addr), __pa(addr) + numpages * PAGE_SIZE);
        return _set_memory_wb(addr, numpages);
 }
diff --git a/arch/x86/mm/pat.c b/arch/x86/mm/pat.c
index 2fe30916d4b6..2a50e0fa64a5 100644
--- a/arch/x86/mm/pat.c
+++ b/arch/x86/mm/pat.c
@@ -207,6 +207,9 @@ static int chk_conflict(struct memtype *new, struct memtype *entry,
        return -EBUSY;
 }
+static struct memtype *cached_entry;
+static u64 cached_start;
 /*
 * req_type typically has one of the:
 * - _PAGE_CACHE_WB
@@ -280,11 +283,17 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
        spin_lock(&memtype_lock);
+        if (cached_entry && start >= cached_start)
+                entry = cached_entry;
+        else
+                entry = list_entry(&memtype_list, struct memtype, nd);
        /* Search for existing mapping that overlaps the current range */
        where = NULL;
-        list_for_each_entry(entry, &memtype_list, nd) {
+        list_for_each_entry_continue(entry, &memtype_list, nd) {
                if (end <= entry->start) {
                        where = entry->nd.prev;
+                        cached_entry = list_entry(where, struct memtype, nd);
                        break;
                } else if (start <= entry->start) { /* end > entry->start */
                        err = chk_conflict(new, entry, new_type);
@@ -292,6 +301,8 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
                                dprintk("Overlap at 0x%Lx-0x%Lx\n",
                                        entry->start, entry->end);
                                where = entry->nd.prev;
+                                cached_entry = list_entry(where,
+                                                        struct memtype, nd);
                        }
                        break;
                } else if (start < entry->end) { /* start > entry->start */
@@ -299,7 +310,20 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
                        if (!err) {
                                dprintk("Overlap at 0x%Lx-0x%Lx\n",
                                        entry->start, entry->end);
-                                where = &entry->nd;
+                                cached_entry = list_entry(entry->nd.prev,
+                                                        struct memtype, nd);
+                                /*
+                                 * Move to right position in the linked
+                                 * list to add this new entry
+                                 */
+                                list_for_each_entry_continue(entry,
+                                                        &memtype_list, nd) {
+                                        if (start <= entry->start) {
+                                                where = entry->nd.prev;
+                                                break;
+                                        }
+                                }
                        }
                        break;
                }
@@ -314,6 +338,8 @@ int reserve_memtype(u64 start, u64 end, unsigned long req_type,
                return err;
        }
+        cached_start = start;
        if (where)
                list_add(&new->nd, where);
        else
@@ -343,6 +369,9 @@ int free_memtype(u64 start, u64 end)
        spin_lock(&memtype_lock);
        list_for_each_entry(entry, &memtype_list, nd) {
                if (entry->start == start && entry->end == end) {
+                        if (cached_entry == entry || cached_start == start)
+                                cached_entry = NULL;
                        list_del(&entry->nd);
                        kfree(entry);
                        err = 0;
@@ -361,14 +390,6 @@ int free_memtype(u64 start, u64 end)
 }
-/*
- * /dev/mem mmap interface. The memtype used for mapping varies:
- * - Use UC for mappings with O_SYNC flag
- * - Without O_SYNC flag, if there is any conflict in reserve_memtype,
- *   inherit the memtype from existing mapping.
- * - Else use UC_MINUS memtype (for backward compatibility with existing
- *   X drivers.
- */
 pgprot_t phys_mem_access_prot(struct file *file, unsigned long pfn,
                                unsigned long size, pgprot_t vma_prot)
 {
@@ -406,14 +427,14 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
                                unsigned long size, pgprot_t *vma_prot)
 {
        u64 offset = ((u64) pfn) << PAGE_SHIFT;
-        unsigned long flags = _PAGE_CACHE_UC_MINUS;
+        unsigned long flags = -1;
        int retval;
        if (!range_is_allowed(pfn, size))
                return 0;
        if (file->f_flags & O_SYNC) {
-                flags = _PAGE_CACHE_UC;
+                flags = _PAGE_CACHE_UC_MINUS;
        }
 #ifdef CONFIG_X86_32
@@ -436,13 +457,14 @@ int phys_mem_access_prot_allowed(struct file *file, unsigned long pfn,
 #endif
        /*
-         * With O_SYNC, we can only take UC mapping. Fail if we cannot.
+         * With O_SYNC, we can only take UC_MINUS mapping. Fail if we cannot.
+         *
         * Without O_SYNC, we want to get
         * - WB for WB-able memory and no other conflicting mappings
         * - UC_MINUS for non-WB-able memory with no other conflicting mappings
         * - Inherit from confliting mappings otherwise
         */
-        if (flags != _PAGE_CACHE_UC_MINUS) {
+        if (flags != -1) {
                retval = reserve_memtype(offset, offset + size, flags, NULL);
        } else {
                retval = reserve_memtype(offset, offset + size, -1, &flags);
diff --git a/arch/x86/mm/srat_32.c b/arch/x86/mm/srat_32.c
index 1eb2973a301c..16ae70fc57e7 100644
--- a/arch/x86/mm/srat_32.c
+++ b/arch/x86/mm/srat_32.c
@@ -178,7 +178,7 @@ void acpi_numa_arch_fixup(void)
 * start of the node, and that the current "end" address is after
 * the previous one.
 */
-static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_chunk)
+static __init int node_read_chunk(int nid, struct node_memory_chunk_s *memory_chunk)
 {
        /*
         * Only add present memory as told by the e820.
@@ -189,10 +189,10 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
        if (memory_chunk->start_pfn >= max_pfn) {
                printk(KERN_INFO "Ignoring SRAT pfns: %08lx - %08lx\n",
                        memory_chunk->start_pfn, memory_chunk->end_pfn);
-                return;
+                return -1;
        }
        if (memory_chunk->nid != nid)
-                return;
+                return -1;
        if (!node_has_online_mem(nid))
                node_start_pfn[nid] = memory_chunk->start_pfn;
@@ -202,6 +202,8 @@ static __init void node_read_chunk(int nid, struct node_memory_chunk_s *memory_c
        if (node_end_pfn[nid] < memory_chunk->end_pfn)
                node_end_pfn[nid] = memory_chunk->end_pfn;
+        return 0;
 }
 int __init get_memcfg_from_srat(void)
@@ -259,7 +261,9 @@ int __init get_memcfg_from_srat(void)
                printk(KERN_DEBUG
                        "chunk %d nid %d start_pfn %08lx end_pfn %08lx\n",
                       j, chunk->nid, chunk->start_pfn, chunk->end_pfn);
-                node_read_chunk(chunk->nid, chunk);
+                if (node_read_chunk(chunk->nid, chunk))
+                        continue;
                e820_register_active_regions(chunk->nid, chunk->start_pfn,
                                             min(chunk->end_pfn, max_pfn));
        }
diff --git a/arch/x86/oprofile/nmi_int.c b/arch/x86/oprofile/nmi_int.c
index 3f90289410e6..0227694f7dab 100644
--- a/arch/x86/oprofile/nmi_int.c
+++ b/arch/x86/oprofile/nmi_int.c
@@ -15,6 +15,7 @@
 #include <linux/slab.h>
 #include <linux/moduleparam.h>
 #include <linux/kdebug.h>
+#include <linux/cpu.h>
 #include <asm/nmi.h>
 #include <asm/msr.h>
 #include <asm/apic.h>
@@ -28,23 +29,48 @@ static DEFINE_PER_CPU(unsigned long, saved_lvtpc);
 static int nmi_start(void);
 static void nmi_stop(void);
+static void nmi_cpu_start(void *dummy);
+static void nmi_cpu_stop(void *dummy);
 /* 0 == registered but off, 1 == registered and on */
 static int nmi_enabled = 0;
+#ifdef CONFIG_SMP
+static int oprofile_cpu_notifier(struct notifier_block *b, unsigned long action,
+                                 void *data)
+{
+        int cpu = (unsigned long)data;
+        switch (action) {
+        case CPU_DOWN_FAILED:
+        case CPU_ONLINE:
+                smp_call_function_single(cpu, nmi_cpu_start, NULL, 0);
+                break;
+        case CPU_DOWN_PREPARE:
+                smp_call_function_single(cpu, nmi_cpu_stop, NULL, 1);
+                break;
+        }
+        return NOTIFY_DONE;
+}
+static struct notifier_block oprofile_cpu_nb = {
+        .notifier_call = oprofile_cpu_notifier
+};
+#endif
 #ifdef CONFIG_PM
 static int nmi_suspend(struct sys_device *dev, pm_message_t state)
 {
+        /* Only one CPU left, just stop that one */
        if (nmi_enabled == 1)
-                nmi_stop();
+                nmi_cpu_stop(NULL);
        return 0;
 }
 static int nmi_resume(struct sys_device *dev)
 {
        if (nmi_enabled == 1)
-                nmi_start();
+                nmi_cpu_start(NULL);
        return 0;
 }
@@ -463,6 +489,9 @@ int __init op_nmi_init(struct oprofile_operations *ops)
        }
        init_sysfs();
+#ifdef CONFIG_SMP
+        register_cpu_notifier(&oprofile_cpu_nb);
+#endif
        using_nmi = 1;
        ops->create_files = nmi_create_files;
        ops->setup = nmi_setup;
@@ -476,6 +505,10 @@ int __init op_nmi_init(struct oprofile_operations *ops)
 void op_nmi_exit(void)
 {
-        if (using_nmi)
+        if (using_nmi) {
                exit_sysfs();
+#ifdef CONFIG_SMP
+                unregister_cpu_notifier(&oprofile_cpu_nb);
+#endif
+        }
 }
diff --git a/arch/x86/pci/amd_bus.c b/arch/x86/pci/amd_bus.c
index dbf532369711..6a0fca78c362 100644
--- a/arch/x86/pci/amd_bus.c
+++ b/arch/x86/pci/amd_bus.c
@@ -1,6 +1,7 @@
 #include <linux/init.h>
 #include <linux/pci.h>
 #include <linux/topology.h>
+#include <linux/cpu.h>
 #include "pci.h"
 #ifdef CONFIG_X86_64
@@ -555,15 +556,17 @@ static int __init early_fill_mp_bus_info(void)
        return 0;
 }
-postcore_initcall(early_fill_mp_bus_info);
+#else  /* !CONFIG_X86_64 */
-#endif
+static int __init early_fill_mp_bus_info(void) { return 0; }
+#endif /* !CONFIG_X86_64 */
 /* common 32/64 bit code */
 #define ENABLE_CF8_EXT_CFG      (1ULL << 46)
-static void enable_pci_io_ecs_per_cpu(void *unused)
+static void enable_pci_io_ecs(void *unused)
 {
        u64 reg;
        rdmsrl(MSR_AMD64_NB_CFG, reg);
@@ -573,14 +576,51 @@ static void enable_pci_io_ecs_per_cpu(void *unused)
        }
 }
-static int __init enable_pci_io_ecs(void)
+static int __cpuinit amd_cpu_notify(struct notifier_block *self,
+                                    unsigned long action, void *hcpu)
 {
+        int cpu = (long)hcpu;
+        switch(action) {
+        case CPU_ONLINE:
+        case CPU_ONLINE_FROZEN:
+                smp_call_function_single(cpu, enable_pci_io_ecs, NULL, 0);
+                break;
+        default:
+                break;
+        }
+        return NOTIFY_OK;
+}
+static struct notifier_block __cpuinitdata amd_cpu_notifier = {
+        .notifier_call  = amd_cpu_notify,
+};
+static int __init pci_io_ecs_init(void)
+{
+        int cpu;
        /* assume all cpus from fam10h have IO ECS */
        if (boot_cpu_data.x86 < 0x10)
                return 0;
-        on_each_cpu(enable_pci_io_ecs_per_cpu, NULL, 1);
+        register_cpu_notifier(&amd_cpu_notifier);
+        for_each_online_cpu(cpu)
+                amd_cpu_notify(&amd_cpu_notifier, (unsigned long)CPU_ONLINE,
+                               (void *)(long)cpu);
        pci_probe |= PCI_HAS_IO_ECS;
+        return 0;
+}
+static int __init amd_postcore_init(void)
+{
+        if (boot_cpu_data.x86_vendor != X86_VENDOR_AMD)
+                return 0;
+        early_fill_mp_bus_info();
+        pci_io_ecs_init();
        return 0;
 }
-postcore_initcall(enable_pci_io_ecs);
+postcore_initcall(amd_postcore_init);
diff --git a/arch/x86/pci/i386.c b/arch/x86/pci/i386.c
index 5807d1bc73f7..8791fc55e715 100644
--- a/arch/x86/pci/i386.c
+++ b/arch/x86/pci/i386.c
@@ -128,8 +128,7 @@ static void __init pcibios_allocate_bus_resources(struct list_head *bus_list)
                                pr = pci_find_parent_resource(dev, r);
                                if (!r->start || !pr ||
                                    request_resource(pr, r) < 0) {
-                                        dev_err(&dev->dev, "BAR %d: can't "
+                                        dev_err(&dev->dev, "BAR %d: can't allocate resource\n", idx);
-                                                "allocate resource\n", idx);
                                        /*
                                         * Something is wrong with the region.
                                         * Invalidate the resource to prevent
@@ -164,15 +163,13 @@ static void __init pcibios_allocate_resources(int pass)
                        else
                                disabled = !(command & PCI_COMMAND_MEMORY);
                        if (pass == disabled) {
-                                dev_dbg(&dev->dev, "resource %#08llx-%#08llx "
+                                dev_dbg(&dev->dev, "resource %#08llx-%#08llx (f=%lx, d=%d, p=%d)\n",
-                                        "(f=%lx, d=%d, p=%d)\n",
                                        (unsigned long long) r->start,
                                        (unsigned long long) r->end,
                                        r->flags, disabled, pass);
                                pr = pci_find_parent_resource(dev, r);
                                if (!pr || request_resource(pr, r) < 0) {
-                                        dev_err(&dev->dev, "BAR %d: can't "
+                                        dev_err(&dev->dev, "BAR %d: can't allocate resource\n", idx);
-                                                "allocate resource\n", idx);
                                        /* We'll assign a new address later */
                                        r->end -= r->start;
                                        r->start = 0;
diff --git a/arch/x86/pci/irq.c b/arch/x86/pci/irq.c
index fec0123b33a9..8e077185e185 100644
--- a/arch/x86/pci/irq.c
+++ b/arch/x86/pci/irq.c
@@ -590,6 +590,8 @@ static __init int intel_router_probe(struct irq_router *r, struct pci_dev *route
        case PCI_DEVICE_ID_INTEL_ICH10_1:
        case PCI_DEVICE_ID_INTEL_ICH10_2:
        case PCI_DEVICE_ID_INTEL_ICH10_3:
+        case PCI_DEVICE_ID_INTEL_PCH_0:
+        case PCI_DEVICE_ID_INTEL_PCH_1:
                r->name = "PIIX/ICH";
                r->get = pirq_piix_get;
                r->set = pirq_piix_set;
diff --git a/arch/x86/pci/legacy.c b/arch/x86/pci/legacy.c
index ec9ce35e44d6..b722dd481b39 100644
--- a/arch/x86/pci/legacy.c
+++ b/arch/x86/pci/legacy.c
@@ -14,7 +14,7 @@ static void __devinit pcibios_fixup_peer_bridges(void)
        int n, devfn;
        long node;
-        if (pcibios_last_bus <= 0 || pcibios_last_bus >= 0xff)
+        if (pcibios_last_bus <= 0 || pcibios_last_bus > 0xff)
                return;
        DBG("PCI: Peer bridge fixup\n");
diff --git a/arch/x86/pci/mmconfig-shared.c b/arch/x86/pci/mmconfig-shared.c
index 23faaa890ffc..d9635764ce3d 100644
--- a/arch/x86/pci/mmconfig-shared.c
+++ b/arch/x86/pci/mmconfig-shared.c
@@ -293,7 +293,7 @@ static acpi_status __init find_mboard_resource(acpi_handle handle, u32 lvl,
        return AE_OK;
 }
-static int __init is_acpi_reserved(unsigned long start, unsigned long end)
+static int __init is_acpi_reserved(u64 start, u64 end, unsigned not_used)
 {
        struct resource mcfg_res;
@@ -310,6 +310,41 @@ static int __init is_acpi_reserved(unsigned long start, unsigned long end)
        return mcfg_res.flags;
 }
+typedef int (*check_reserved_t)(u64 start, u64 end, unsigned type);
+static int __init is_mmconf_reserved(check_reserved_t is_reserved,
+                u64 addr, u64 size, int i,
+                typeof(pci_mmcfg_config[0]) *cfg, int with_e820)
+{
+        u64 old_size = size;
+        int valid = 0;
+        while (!is_reserved(addr, addr + size - 1, E820_RESERVED)) {
+                size >>= 1;
+                if (size < (16UL<<20))
+                        break;
+        }
+        if (size >= (16UL<<20) || size == old_size) {
+                printk(KERN_NOTICE
+                       "PCI: MCFG area at %Lx reserved in %s\n",
+                        addr, with_e820?"E820":"ACPI motherboard resources");
+                valid = 1;
+                if (old_size != size) {
+                        /* update end_bus_number */
+                        cfg->end_bus_number = cfg->start_bus_number + ((size>>20) - 1);
+                        printk(KERN_NOTICE "PCI: updated MCFG configuration %d: base %lx "
+                               "segment %hu buses %u - %u\n",
+                               i, (unsigned long)cfg->address, cfg->pci_segment,
+                               (unsigned int)cfg->start_bus_number,
+                               (unsigned int)cfg->end_bus_number);
+                }
+        }
+        return valid;
+}
 static void __init pci_mmcfg_reject_broken(int early)
 {
        typeof(pci_mmcfg_config[0]) *cfg;
@@ -324,21 +359,22 @@ static void __init pci_mmcfg_reject_broken(int early)
        for (i = 0; i < pci_mmcfg_config_num; i++) {
                int valid = 0;
-                u32 size = (cfg->end_bus_number + 1) << 20;
+                u64 addr, size;
                cfg = &pci_mmcfg_config[i];
+                addr = cfg->start_bus_number;
+                addr <<= 20;
+                addr += cfg->address;
+                size = cfg->end_bus_number + 1 - cfg->start_bus_number;
+                size <<= 20;
                printk(KERN_NOTICE "PCI: MCFG configuration %d: base %lx "
                       "segment %hu buses %u - %u\n",
                       i, (unsigned long)cfg->address, cfg->pci_segment,
                       (unsigned int)cfg->start_bus_number,
                       (unsigned int)cfg->end_bus_number);
-                if (!early &&
+                if (!early)
-                    is_acpi_reserved(cfg->address, cfg->address + size - 1)) {
+                        valid = is_mmconf_reserved(is_acpi_reserved, addr, size, i, cfg, 0);
-                        printk(KERN_NOTICE "PCI: MCFG area at %Lx reserved "
-                               "in ACPI motherboard resources\n",
-                               cfg->address);
-                        valid = 1;
-                }
                if (valid)
                        continue;
@@ -347,16 +383,11 @@ static void __init pci_mmcfg_reject_broken(int early)
                        printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %Lx is not"
                               " reserved in ACPI motherboard resources\n",
                               cfg->address);
                /* Don't try to do this check unless configuration
                   type 1 is available. how about type 2 ?*/
-                if (raw_pci_ops && e820_all_mapped(cfg->address,
+                if (raw_pci_ops)
-                                                  cfg->address + size - 1,
+                        valid = is_mmconf_reserved(e820_all_mapped, addr, size, i, cfg, 1);
-                                                  E820_RESERVED)) {
-                        printk(KERN_NOTICE
-                               "PCI: MCFG area at %Lx reserved in E820\n",
-                               cfg->address);
-                        valid = 1;
-                }
                if (!valid)
                        goto reject;
@@ -365,7 +396,7 @@ static void __init pci_mmcfg_reject_broken(int early)
        return;
 reject:
-        printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
+        printk(KERN_INFO "PCI: Not using MMCONFIG.\n");
        pci_mmcfg_arch_free();
        kfree(pci_mmcfg_config);
        pci_mmcfg_config = NULL;
diff --git a/arch/x86/power/cpu_32.c b/arch/x86/power/cpu_32.c
index 7dc5d5cf50a2..d3e083dea720 100644
--- a/arch/x86/power/cpu_32.c
+++ b/arch/x86/power/cpu_32.c
@@ -45,7 +45,7 @@ static void __save_processor_state(struct saved_context *ctxt)
        ctxt->cr0 = read_cr0();
        ctxt->cr2 = read_cr2();
        ctxt->cr3 = read_cr3();
-        ctxt->cr4 = read_cr4();
+        ctxt->cr4 = read_cr4_safe();
 }
 /* Needed by apm.c */
@@ -98,7 +98,9 @@ static void __restore_processor_state(struct saved_context *ctxt)
        /*
         * control registers
         */
-        write_cr4(ctxt->cr4);
+        /* cr4 was introduced in the Pentium CPU */
+        if (ctxt->cr4)
+                write_cr4(ctxt->cr4);
        write_cr3(ctxt->cr3);
        write_cr2(ctxt->cr2);
        write_cr0(ctxt->cr0);
diff --git a/arch/x86/power/hibernate_asm_32.S b/arch/x86/power/hibernate_asm_32.S
index b95aa6cfe3cb..4fc7e872c85e 100644
--- a/arch/x86/power/hibernate_asm_32.S
+++ b/arch/x86/power/hibernate_asm_32.S
@@ -28,9 +28,9 @@ ENTRY(swsusp_arch_suspend)
        ret
 ENTRY(restore_image)
-        movl    resume_pg_dir, %ecx
+        movl    resume_pg_dir, %eax
-        subl    $__PAGE_OFFSET, %ecx
+        subl    $__PAGE_OFFSET, %eax
-        movl    %ecx, %cr3
+        movl    %eax, %cr3
        movl    restore_pblist, %edx
        .p2align 4,,7
@@ -52,17 +52,21 @@ copy_loop:
 done:
        /* go back to the original page tables */
-        movl    $swapper_pg_dir, %ecx
+        movl    $swapper_pg_dir, %eax
-        subl    $__PAGE_OFFSET, %ecx
+        subl    $__PAGE_OFFSET, %eax
-        movl    %ecx, %cr3
+        movl    %eax, %cr3
        /* Flush TLB, including "global" things (vmalloc) */
-        movl    mmu_cr4_features, %eax
+        movl    mmu_cr4_features, %ecx
-        movl    %eax, %edx
+        jecxz   1f      # cr4 Pentium and higher, skip if zero
+        movl    %ecx, %edx
        andl    $~(1<<7), %edx;  # PGE
        movl    %edx, %cr4;  # turn off PGE
-        movl    %cr3, %ecx;  # flush TLB
+1:
-        movl    %ecx, %cr3
+        movl    %cr3, %eax;  # flush TLB
-        movl    %eax, %cr4;  # turn PGE back on
+        movl    %eax, %cr3
+        jecxz   1f      # cr4 Pentium and higher, skip if zero
+        movl    %ecx, %cr4;  # turn PGE back on
+1:
        movl saved_context_esp, %esp
        movl saved_context_ebp, %ebp