Manual merge with Linus.

Conflicts:
	arch/powerpc/kernel/setup-common.c
	drivers/input/keyboard/hil_kbd.c
	drivers/input/mouse/hil_ptr.c

44 files changed, 2000 insertions, 600 deletions

diff --git a/arch/x86_64/Kconfig b/arch/x86_64/Kconfig
index e18eb79..4310b4a 100644
--- a/arch/x86_64/Kconfig
+++ b/arch/x86_64/Kconfig
@@ -45,6 +45,10 @@ config RWSEM_GENERIC_SPINLOCK
 config RWSEM_XCHGADD_ALGORITHM
 	bool
 
+config GENERIC_HWEIGHT
+	bool
+	default y
+
 config GENERIC_CALIBRATE_DELAY
 	bool
 	default y
@@ -246,6 +250,15 @@ config SCHED_SMT
 	  cost of slightly increased overhead in some places. If unsure say
 	  N here.
 
+config SCHED_MC
+	bool "Multi-core scheduler support"
+	depends on SMP
+	default y
+	help
+	  Multi-core scheduler support improves the CPU scheduler's decision
+	  making when dealing with multi-core CPU chips at a cost of slightly
+	  increased overhead in some places. If unsure say N here.
+
 source "kernel/Kconfig.preempt"
 
 config NUMA
@@ -321,9 +334,13 @@ config HAVE_ARCH_EARLY_PFN_TO_NID
 	def_bool y
 	depends on NUMA
 
+config OUT_OF_LINE_PFN_TO_PAGE
+	def_bool y
+	depends on DISCONTIGMEM
+
 config NR_CPUS
 	int "Maximum number of CPUs (2-256)"
-	range 2 256
+	range 2 255
 	depends on SMP
 	default "8"
 	help
@@ -364,13 +381,15 @@ config GART_IOMMU
 	select SWIOTLB
 	depends on PCI
 	help
-	  Support the IOMMU. Needed to run systems with more than 3GB of memory
-	  properly with 32-bit PCI devices that do not support DAC (Double Address
-	  Cycle). The IOMMU can be turned off at runtime with the iommu=off parameter.
-	  Normally the kernel will take the right choice by itself.
-	  This option includes a driver for the AMD Opteron/Athlon64 northbridge IOMMU
-	  and a software emulation used on other systems.
-	  If unsure, say Y.
+	  Support for hardware IOMMU in AMD's Opteron/Athlon64 Processors
+	  and for the bounce buffering software IOMMU.
+	  Needed to run systems with more than 3GB of memory properly with
+	  32-bit PCI devices that do not support DAC (Double Address Cycle).
+	  The IOMMU can be turned off at runtime with the iommu=off parameter.
+  	  Normally the kernel will take the right choice by itself.
+  	  This option includes a driver for the AMD Opteron/Athlon64 IOMMU
+  	  northbridge and a software emulation used on other systems without
+	  hardware IOMMU.  If unsure, say Y.
 
 # need this always enabled with GART_IOMMU for the VIA workaround
 config SWIOTLB
@@ -429,10 +448,10 @@ config CRASH_DUMP
 config PHYSICAL_START
 	hex "Physical address where the kernel is loaded" if (EMBEDDED || CRASH_DUMP)
 	default "0x1000000" if CRASH_DUMP
-	default "0x100000"
+	default "0x200000"
 	help
 	  This gives the physical address where the kernel is loaded. Normally
-	  for regular kernels this value is 0x100000 (1MB). But in the case
+	  for regular kernels this value is 0x200000 (2MB). But in the case
 	  of kexec on panic the fail safe kernel needs to run at a different
 	  address than the panic-ed kernel. This option is used to set the load
 	  address for kernels used to capture crash dump on being kexec'ed
@@ -464,6 +483,14 @@ config SECCOMP
 
 source kernel/Kconfig.hz
 
+config REORDER
+	bool "Function reordering"
+	default n
+	help
+         This option enables the toolchain to reorder functions for a more 
+         optimal TLB usage. If you have pretty much any version of binutils, 
+	 this can increase your kernel build time by roughly one minute.
+
 endmenu
 
 #
@@ -512,16 +539,6 @@ config PCI_MMCONFIG
 	bool "Support mmconfig PCI config space access"
 	depends on PCI && ACPI
 
-config UNORDERED_IO
-       bool "Unordered IO mapping access"
-       depends on EXPERIMENTAL
-       help
-         Use unordered stores to access IO memory mappings in device drivers.
-	 Still very experimental. When a driver works on IA64/ppc64/pa-risc it should
-	 work with this option, but it makes the drivers behave differently
-	 from i386. Requires that the driver writer used memory barriers
-	 properly.
-
 source "drivers/pci/pcie/Kconfig"
 
 source "drivers/pci/Kconfig"
diff --git a/arch/x86_64/Makefile b/arch/x86_64/Makefile
index d7fd464..585fd4a 100644
--- a/arch/x86_64/Makefile
+++ b/arch/x86_64/Makefile
@@ -29,12 +29,14 @@ CHECKFLAGS      += -D__x86_64__ -m64
 
 cflags-$(CONFIG_MK8) += $(call cc-option,-march=k8)
 cflags-$(CONFIG_MPSC) += $(call cc-option,-march=nocona)
+cflags-$(CONFIG_GENERIC_CPU) += $(call cc-option,-mtune=generic)
 CFLAGS += $(cflags-y)
 
 CFLAGS += -m64
 CFLAGS += -mno-red-zone
 CFLAGS += -mcmodel=kernel
 CFLAGS += -pipe
+cflags-$(CONFIG_REORDER) += -ffunction-sections
 # this makes reading assembly source easier, but produces worse code
 # actually it makes the kernel smaller too.
 CFLAGS += -fno-reorder-blocks	
@@ -67,8 +69,8 @@ drivers-$(CONFIG_OPROFILE)		+= arch/x86_64/oprofile/
 
 boot := arch/x86_64/boot
 
-.PHONY: bzImage bzlilo install archmrproper \
-	fdimage fdimage144 fdimage288 archclean
+PHONY += bzImage bzlilo install archmrproper \
+	 fdimage fdimage144 fdimage288 isoimage archclean
 
 #Default target when executing "make"
 all: bzImage
@@ -85,7 +87,7 @@ bzlilo: vmlinux
 bzdisk: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) zdisk
 
-fdimage fdimage144 fdimage288: vmlinux
+fdimage fdimage144 fdimage288 isoimage: vmlinux
 	$(Q)$(MAKE) $(build)=$(boot) BOOTIMAGE=$(BOOTIMAGE) $@
 
 install:
@@ -97,11 +99,16 @@ archclean:
 define archhelp
   echo  '* bzImage	- Compressed kernel image (arch/$(ARCH)/boot/bzImage)'
   echo  '  install	- Install kernel using'
-  echo  '                  (your) ~/bin/installkernel or'
-  echo  '                  (distribution) /sbin/installkernel or'
-  echo  '        	  install to $$(INSTALL_PATH) and run lilo'
+  echo  '		   (your) ~/bin/installkernel or'
+  echo  '		   (distribution) /sbin/installkernel or'
+  echo  '		   install to $$(INSTALL_PATH) and run lilo'
+  echo  '  bzdisk       - Create a boot floppy in /dev/fd0'
+  echo  '  fdimage      - Create a boot floppy image'
+  echo  '  isoimage     - Create a boot CD-ROM image'
 endef
 
-CLEAN_FILES += arch/$(ARCH)/boot/fdimage arch/$(ARCH)/boot/mtools.conf
+CLEAN_FILES += arch/$(ARCH)/boot/fdimage \
+	       arch/$(ARCH)/boot/image.iso \
+	       arch/$(ARCH)/boot/mtools.conf
 
 
diff --git a/arch/x86_64/boot/Makefile b/arch/x86_64/boot/Makefile
index 29f8396..43ee6c5 100644
--- a/arch/x86_64/boot/Makefile
+++ b/arch/x86_64/boot/Makefile
@@ -60,8 +60,12 @@ $(obj)/setup $(obj)/bootsect: %: %.o FORCE
 $(obj)/compressed/vmlinux: FORCE
 	$(Q)$(MAKE) $(build)=$(obj)/compressed IMAGE_OFFSET=$(IMAGE_OFFSET) $@
 
-# Set this if you want to pass append arguments to the zdisk/fdimage kernel
+# Set this if you want to pass append arguments to the zdisk/fdimage/isoimage kernel
 FDARGS = 
+# Set this if you want an initrd included with the zdisk/fdimage/isoimage kernel
+FDINITRD =
+
+image_cmdline = default linux $(FDARGS) $(if $(FDINITRD),initrd=initrd.img,)
 
 $(obj)/mtools.conf: $(src)/mtools.conf.in
 	sed -e 's|@OBJ@|$(obj)|g' < $< > $@
@@ -70,8 +74,11 @@ $(obj)/mtools.conf: $(src)/mtools.conf.in
 zdisk: $(BOOTIMAGE) $(obj)/mtools.conf
 	MTOOLSRC=$(obj)/mtools.conf mformat a:			; sync
 	syslinux /dev/fd0					; sync
-	echo 'default linux $(FDARGS)' | \
+	echo '$(image_cmdline)' | \
 		MTOOLSRC=$(obj)/mtools.conf mcopy - a:syslinux.cfg
+	if [ -f '$(FDINITRD)' ] ; then \
+		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' a:initrd.img ; \
+	fi
 	MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) a:linux	; sync
 
 # These require being root or having syslinux 2.02 or higher installed
@@ -79,18 +86,39 @@ fdimage fdimage144: $(BOOTIMAGE) $(obj)/mtools.conf
 	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=1440
 	MTOOLSRC=$(obj)/mtools.conf mformat v:			; sync
 	syslinux $(obj)/fdimage					; sync
-	echo 'default linux $(FDARGS)' | \
+	echo '$(image_cmdline)' | \
 		MTOOLSRC=$(obj)/mtools.conf mcopy - v:syslinux.cfg
+	if [ -f '$(FDINITRD)' ] ; then \
+		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' v:initrd.img ; \
+	fi
 	MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) v:linux	; sync
 
 fdimage288: $(BOOTIMAGE) $(obj)/mtools.conf
 	dd if=/dev/zero of=$(obj)/fdimage bs=1024 count=2880
 	MTOOLSRC=$(obj)/mtools.conf mformat w:			; sync
 	syslinux $(obj)/fdimage					; sync
-	echo 'default linux $(FDARGS)' | \
+	echo '$(image_cmdline)' | \
 		MTOOLSRC=$(obj)/mtools.conf mcopy - w:syslinux.cfg
+	if [ -f '$(FDINITRD)' ] ; then \
+		MTOOLSRC=$(obj)/mtools.conf mcopy '$(FDINITRD)' w:initrd.img ; \
+	fi
 	MTOOLSRC=$(obj)/mtools.conf mcopy $(BOOTIMAGE) w:linux	; sync
 
+isoimage: $(BOOTIMAGE)
+	-rm -rf $(obj)/isoimage
+	mkdir $(obj)/isoimage
+	cp `echo /usr/lib*/syslinux/isolinux.bin | awk '{ print $1; }'` \
+		$(obj)/isoimage
+	cp $(BOOTIMAGE) $(obj)/isoimage/linux
+	echo '$(image_cmdline)' > $(obj)/isoimage/isolinux.cfg
+	if [ -f '$(FDINITRD)' ] ; then \
+		cp '$(FDINITRD)' $(obj)/isoimage/initrd.img ; \
+	fi
+	mkisofs -J -r -o $(obj)/image.iso -b isolinux.bin -c boot.cat \
+		-no-emul-boot -boot-load-size 4 -boot-info-table \
+		$(obj)/isoimage
+	rm -rf $(obj)/isoimage
+
 zlilo: $(BOOTIMAGE)
 	if [ -f $(INSTALL_PATH)/vmlinuz ]; then mv $(INSTALL_PATH)/vmlinuz $(INSTALL_PATH)/vmlinuz.old; fi
 	if [ -f $(INSTALL_PATH)/System.map ]; then mv $(INSTALL_PATH)/System.map $(INSTALL_PATH)/System.old; fi
diff --git a/arch/x86_64/crypto/aes.c b/arch/x86_64/crypto/aes.c
index fb1b961..6f77e770 100644
--- a/arch/x86_64/crypto/aes.c
+++ b/arch/x86_64/crypto/aes.c
@@ -77,12 +77,11 @@ static inline u8 byte(const u32 x, const unsigned n)
 struct aes_ctx
 {
 	u32 key_length;
-	u32 E[60];
-	u32 D[60];
+	u32 buf[120];
 };
 
-#define E_KEY ctx->E
-#define D_KEY ctx->D
+#define E_KEY (&ctx->buf[0])
+#define D_KEY (&ctx->buf[60])
 
 static u8 pow_tab[256] __initdata;
 static u8 log_tab[256] __initdata;
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index ce4de61..566ecc9 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc3-git9
-# Sat Feb 18 00:27:03 2006
+# Linux kernel version: 2.6.16-git9
+# Sat Mar 25 15:18:40 2006
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -38,6 +38,7 @@ CONFIG_SYSCTL=y
 CONFIG_IKCONFIG=y
 CONFIG_IKCONFIG_PROC=y
 # CONFIG_CPUSETS is not set
+# CONFIG_RELAY is not set
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_UID16=y
 CONFIG_VM86=y
@@ -79,6 +80,7 @@ CONFIG_STOP_MACHINE=y
 # Block layer
 #
 CONFIG_LBD=y
+# CONFIG_BLK_DEV_IO_TRACE is not set
 
 #
 # IO Schedulers
@@ -139,7 +141,6 @@ CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
 CONFIG_NR_CPUS=32
 CONFIG_HOTPLUG_CPU=y
 CONFIG_HPET_TIMER=y
-CONFIG_X86_PM_TIMER=y
 CONFIG_HPET_EMULATE_RTC=y
 CONFIG_GART_IOMMU=y
 CONFIG_SWIOTLB=y
@@ -148,12 +149,13 @@ CONFIG_X86_MCE_INTEL=y
 CONFIG_X86_MCE_AMD=y
 # CONFIG_KEXEC is not set
 # CONFIG_CRASH_DUMP is not set
-CONFIG_PHYSICAL_START=0x100000
+CONFIG_PHYSICAL_START=0x200000
 CONFIG_SECCOMP=y
 # CONFIG_HZ_100 is not set
 CONFIG_HZ_250=y
 # CONFIG_HZ_1000 is not set
 CONFIG_HZ=250
+# CONFIG_REORDER is not set
 CONFIG_GENERIC_HARDIRQS=y
 CONFIG_GENERIC_IRQ_PROBE=y
 CONFIG_ISA_DMA_API=y
@@ -189,12 +191,14 @@ CONFIG_ACPI_NUMA=y
 # CONFIG_ACPI_ASUS is not set
 # CONFIG_ACPI_IBM is not set
 CONFIG_ACPI_TOSHIBA=y
-CONFIG_ACPI_BLACKLIST_YEAR=2001
+CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
 CONFIG_ACPI_EC=y
 CONFIG_ACPI_POWER=y
 CONFIG_ACPI_SYSTEM=y
+CONFIG_X86_PM_TIMER=y
 CONFIG_ACPI_CONTAINER=y
+CONFIG_ACPI_HOTPLUG_MEMORY=y
 
 #
 # CPU Frequency scaling
@@ -232,10 +236,8 @@ CONFIG_X86_ACPI_CPUFREQ_PROC_INTF=y
 CONFIG_PCI=y
 CONFIG_PCI_DIRECT=y
 CONFIG_PCI_MMCONFIG=y
-CONFIG_UNORDERED_IO=y
 CONFIG_PCIEPORTBUS=y
 CONFIG_PCI_MSI=y
-# CONFIG_PCI_LEGACY_PROC is not set
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -294,6 +296,7 @@ CONFIG_INET_TCP_DIAG=y
 CONFIG_TCP_CONG_BIC=y
 CONFIG_IPV6=y
 # CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
 # CONFIG_INET6_AH is not set
 # CONFIG_INET6_ESP is not set
 # CONFIG_INET6_IPCOMP is not set
@@ -701,6 +704,7 @@ CONFIG_S2IO=m
 # Wireless LAN (non-hamradio)
 #
 # CONFIG_NET_RADIO is not set
+# CONFIG_NET_WIRELESS_RTNETLINK is not set
 
 #
 # Wan interfaces
@@ -861,6 +865,8 @@ CONFIG_RTC=y
 CONFIG_AGP=y
 CONFIG_AGP_AMD64=y
 CONFIG_AGP_INTEL=y
+# CONFIG_AGP_SIS is not set
+# CONFIG_AGP_VIA is not set
 # CONFIG_DRM is not set
 # CONFIG_MWAVE is not set
 CONFIG_RAW_DRIVER=y
@@ -907,10 +913,6 @@ CONFIG_HWMON=y
 # CONFIG_IBM_ASM is not set
 
 #
-# Multimedia Capabilities Port drivers
-#
-
-#
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
@@ -974,6 +976,7 @@ CONFIG_SOUND_ICH=y
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=y
 # CONFIG_USB_DEBUG is not set
 
@@ -1002,7 +1005,6 @@ CONFIG_USB_UHCI_HCD=y
 #
 # USB Device Class drivers
 #
-# CONFIG_OBSOLETE_OSS_USB_DRIVER is not set
 # CONFIG_USB_ACM is not set
 CONFIG_USB_PRINTER=y
 
@@ -1121,11 +1123,7 @@ CONFIG_USB_MON=y
 # CONFIG_INFINIBAND is not set
 
 #
-# SN Devices
-#
-
-#
-# EDAC - error detection and reporting (RAS)
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
 #
 # CONFIG_EDAC is not set
 
@@ -1198,7 +1196,6 @@ CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
-CONFIG_RELAYFS_FS=y
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -1321,6 +1318,7 @@ CONFIG_DETECT_SOFTLOCKUP=y
 CONFIG_DEBUG_FS=y
 # CONFIG_DEBUG_VM is not set
 # CONFIG_FRAME_POINTER is not set
+# CONFIG_UNWIND_INFO is not set
 # CONFIG_FORCED_INLINING is not set
 # CONFIG_RCU_TORTURE_TEST is not set
 # CONFIG_DEBUG_RODATA is not set
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index 572b3b2..e776139 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -58,7 +58,7 @@ struct elf_phdr;
 
 #define USE_ELF_CORE_DUMP 1
 
-/* Overwrite elfcore.h */ 
+/* Override elfcore.h */ 
 #define _LINUX_ELFCORE_H 1
 typedef unsigned int elf_greg_t;
 
diff --git a/arch/x86_64/ia32/ia32entry.S b/arch/x86_64/ia32/ia32entry.S
index 00dee17..35b2fac 100644
--- a/arch/x86_64/ia32/ia32entry.S
+++ b/arch/x86_64/ia32/ia32entry.S
@@ -501,7 +501,7 @@ ia32_sys_call_table:
 	.quad sys_setdomainname
 	.quad sys_uname
 	.quad sys_modify_ldt
-	.quad sys32_adjtimex
+	.quad compat_sys_adjtimex
 	.quad sys32_mprotect		/* 125 */
 	.quad compat_sys_sigprocmask
 	.quad quiet_ni_syscall		/* create_module */
@@ -688,6 +688,8 @@ ia32_sys_call_table:
 	.quad sys_ni_syscall		/* pselect6 for now */
 	.quad sys_ni_syscall		/* ppoll for now */
 	.quad sys_unshare		/* 310 */
+	.quad compat_sys_set_robust_list
+	.quad compat_sys_get_robust_list
 ia32_syscall_end:		
 	.rept IA32_NR_syscalls-(ia32_syscall_end-ia32_sys_call_table)/8
 		.quad ni_syscall
diff --git a/arch/x86_64/ia32/sys_ia32.c b/arch/x86_64/ia32/sys_ia32.c
index 2bc55af..f182b20 100644
--- a/arch/x86_64/ia32/sys_ia32.c
+++ b/arch/x86_64/ia32/sys_ia32.c
@@ -30,7 +30,6 @@
 #include <linux/resource.h>
 #include <linux/times.h>
 #include <linux/utsname.h>
-#include <linux/timex.h>
 #include <linux/smp.h>
 #include <linux/smp_lock.h>
 #include <linux/sem.h>
@@ -430,24 +429,12 @@ put_tv32(struct compat_timeval __user *o, struct timeval *i)
 	return err; 
 }
 
-extern int do_setitimer(int which, struct itimerval *, struct itimerval *);
+extern unsigned int alarm_setitimer(unsigned int seconds);
 
 asmlinkage long
 sys32_alarm(unsigned int seconds)
 {
-	struct itimerval it_new, it_old;
-	unsigned int oldalarm;
-
-	it_new.it_interval.tv_sec = it_new.it_interval.tv_usec = 0;
-	it_new.it_value.tv_sec = seconds;
-	it_new.it_value.tv_usec = 0;
-	do_setitimer(ITIMER_REAL, &it_new, &it_old);
-	oldalarm = it_old.it_value.tv_sec;
-	/* ehhh.. We can't return 0 if we have an alarm pending.. */
-	/* And we'd better return too much than too little anyway */
-	if (it_old.it_value.tv_usec)
-		oldalarm++;
-	return oldalarm;
+	return alarm_setitimer(seconds);
 }
 
 /* Translations due to time_t size differences.  Which affects all
@@ -779,82 +766,6 @@ sys32_sendfile(int out_fd, int in_fd, compat_off_t __user *offset, s32 count)
 	return ret;
 }
 
-/* Handle adjtimex compatibility. */
-
-struct timex32 {
-	u32 modes;
-	s32 offset, freq, maxerror, esterror;
-	s32 status, constant, precision, tolerance;
-	struct compat_timeval time;
-	s32 tick;
-	s32 ppsfreq, jitter, shift, stabil;
-	s32 jitcnt, calcnt, errcnt, stbcnt;
-	s32  :32; s32  :32; s32  :32; s32  :32;
-	s32  :32; s32  :32; s32  :32; s32  :32;
-	s32  :32; s32  :32; s32  :32; s32  :32;
-};
-
-extern int do_adjtimex(struct timex *);
-
-asmlinkage long
-sys32_adjtimex(struct timex32 __user *utp)
-{
-	struct timex txc;
-	int ret;
-
-	memset(&txc, 0, sizeof(struct timex));
-
-	if (!access_ok(VERIFY_READ, utp, sizeof(struct timex32)) ||
-	   __get_user(txc.modes, &utp->modes) ||
-	   __get_user(txc.offset, &utp->offset) ||
-	   __get_user(txc.freq, &utp->freq) ||
-	   __get_user(txc.maxerror, &utp->maxerror) ||
-	   __get_user(txc.esterror, &utp->esterror) ||
-	   __get_user(txc.status, &utp->status) ||
-	   __get_user(txc.constant, &utp->constant) ||
-	   __get_user(txc.precision, &utp->precision) ||
-	   __get_user(txc.tolerance, &utp->tolerance) ||
-	   __get_user(txc.time.tv_sec, &utp->time.tv_sec) ||
-	   __get_user(txc.time.tv_usec, &utp->time.tv_usec) ||
-	   __get_user(txc.tick, &utp->tick) ||
-	   __get_user(txc.ppsfreq, &utp->ppsfreq) ||
-	   __get_user(txc.jitter, &utp->jitter) ||
-	   __get_user(txc.shift, &utp->shift) ||
-	   __get_user(txc.stabil, &utp->stabil) ||
-	   __get_user(txc.jitcnt, &utp->jitcnt) ||
-	   __get_user(txc.calcnt, &utp->calcnt) ||
-	   __get_user(txc.errcnt, &utp->errcnt) ||
-	   __get_user(txc.stbcnt, &utp->stbcnt))
-		return -EFAULT;
-
-	ret = do_adjtimex(&txc);
-
-	if (!access_ok(VERIFY_WRITE, utp, sizeof(struct timex32)) ||
-	   __put_user(txc.modes, &utp->modes) ||
-	   __put_user(txc.offset, &utp->offset) ||
-	   __put_user(txc.freq, &utp->freq) ||
-	   __put_user(txc.maxerror, &utp->maxerror) ||
-	   __put_user(txc.esterror, &utp->esterror) ||
-	   __put_user(txc.status, &utp->status) ||
-	   __put_user(txc.constant, &utp->constant) ||
-	   __put_user(txc.precision, &utp->precision) ||
-	   __put_user(txc.tolerance, &utp->tolerance) ||
-	   __put_user(txc.time.tv_sec, &utp->time.tv_sec) ||
-	   __put_user(txc.time.tv_usec, &utp->time.tv_usec) ||
-	   __put_user(txc.tick, &utp->tick) ||
-	   __put_user(txc.ppsfreq, &utp->ppsfreq) ||
-	   __put_user(txc.jitter, &utp->jitter) ||
-	   __put_user(txc.shift, &utp->shift) ||
-	   __put_user(txc.stabil, &utp->stabil) ||
-	   __put_user(txc.jitcnt, &utp->jitcnt) ||
-	   __put_user(txc.calcnt, &utp->calcnt) ||
-	   __put_user(txc.errcnt, &utp->errcnt) ||
-	   __put_user(txc.stbcnt, &utp->stbcnt))
-		ret = -EFAULT;
-
-	return ret;
-}
-
 asmlinkage long sys32_mmap2(unsigned long addr, unsigned long len,
 	unsigned long prot, unsigned long flags,
 	unsigned long fd, unsigned long pgoff)
diff --git a/arch/x86_64/ia32/vsyscall-sigreturn.S b/arch/x86_64/ia32/vsyscall-sigreturn.S
index d90321f..1384367 100644
--- a/arch/x86_64/ia32/vsyscall-sigreturn.S
+++ b/arch/x86_64/ia32/vsyscall-sigreturn.S
@@ -32,9 +32,28 @@ __kernel_rt_sigreturn:
 	.size __kernel_rt_sigreturn,.-.LSTART_rt_sigreturn
 
 	.section .eh_frame,"a",@progbits
+.LSTARTFRAMES:
+        .long .LENDCIES-.LSTARTCIES
+.LSTARTCIES:
+	.long 0			/* CIE ID */
+	.byte 1			/* Version number */
+	.string "zRS"		/* NUL-terminated augmentation string */
+	.uleb128 1		/* Code alignment factor */
+	.sleb128 -4		/* Data alignment factor */
+	.byte 8			/* Return address register column */
+	.uleb128 1		/* Augmentation value length */
+	.byte 0x1b		/* DW_EH_PE_pcrel|DW_EH_PE_sdata4. */
+	.byte 0x0c		/* DW_CFA_def_cfa */
+	.uleb128 4
+	.uleb128 4
+	.byte 0x88		/* DW_CFA_offset, column 0x8 */
+	.uleb128 1
+	.align 4
+.LENDCIES:
+
 	.long .LENDFDE2-.LSTARTFDE2	/* Length FDE */
 .LSTARTFDE2:
-	.long .LSTARTFDE2-.LSTARTFRAME	/* CIE pointer */
+	.long .LSTARTFDE2-.LSTARTFRAMES	/* CIE pointer */
 	/* HACK: The dwarf2 unwind routines will subtract 1 from the
 	   return address to get an address in the middle of the
 	   presumed call instruction.  Since we didn't get here via
@@ -97,7 +116,7 @@ __kernel_rt_sigreturn:
 
 	.long .LENDFDE3-.LSTARTFDE3	/* Length FDE */
 .LSTARTFDE3:
-	.long .LSTARTFDE3-.LSTARTFRAME	/* CIE pointer */
+	.long .LSTARTFDE3-.LSTARTFRAMES	/* CIE pointer */
 	/* HACK: See above wrt unwind library assumptions.  */
 	.long .LSTART_rt_sigreturn-1-.	/* PC-relative start address */
 	.long .LEND_rt_sigreturn-.LSTART_rt_sigreturn+1
diff --git a/arch/x86_64/kernel/aperture.c b/arch/x86_64/kernel/aperture.c
index a0f955b..fffd6b0 100644
--- a/arch/x86_64/kernel/aperture.c
+++ b/arch/x86_64/kernel/aperture.c
@@ -60,7 +60,7 @@ static u32 __init allocate_aperture(void)
 		printk("Cannot allocate aperture memory hole (%p,%uK)\n",
 		       p, aper_size>>10);
 		if (p)
-			free_bootmem_node(nd0, (unsigned long)p, aper_size); 
+			free_bootmem_node(nd0, __pa(p), aper_size); 
 		return 0;
 	}
 	printk("Mapping aperture over %d KB of RAM @ %lx\n",
@@ -161,7 +161,7 @@ static __u32 __init search_agp_bridge(u32 *order, int *valid_agp)
 	int num, slot, func;
 
 	/* Poor man's PCI discovery */
-	for (num = 0; num < 32; num++) { 
+	for (num = 0; num < 256; num++) { 
 		for (slot = 0; slot < 32; slot++) { 
 			for (func = 0; func < 8; func++) { 
 				u32 class, cap;
diff --git a/arch/x86_64/kernel/apic.c b/arch/x86_64/kernel/apic.c
index e5b14c5..100a30c 100644
--- a/arch/x86_64/kernel/apic.c
+++ b/arch/x86_64/kernel/apic.c
@@ -342,6 +342,7 @@ void __init init_bsp_APIC(void)
 void __cpuinit setup_local_APIC (void)
 {
 	unsigned int value, maxlvt;
+	int i, j;
 
 	value = apic_read(APIC_LVR);
 
@@ -371,6 +372,25 @@ void __cpuinit setup_local_APIC (void)
 	apic_write(APIC_TASKPRI, value);
 
 	/*
+	 * After a crash, we no longer service the interrupts and a pending
+	 * interrupt from previous kernel might still have ISR bit set.
+	 *
+	 * Most probably by now CPU has serviced that pending interrupt and
+	 * it might not have done the ack_APIC_irq() because it thought,
+	 * interrupt came from i8259 as ExtInt. LAPIC did not get EOI so it
+	 * does not clear the ISR bit and cpu thinks it has already serivced
+	 * the interrupt. Hence a vector might get locked. It was noticed
+	 * for timer irq (vector 0x31). Issue an extra EOI to clear ISR.
+	 */
+	for (i = APIC_ISR_NR - 1; i >= 0; i--) {
+		value = apic_read(APIC_ISR + i*0x10);
+		for (j = 31; j >= 0; j--) {
+			if (value & (1<<j))
+				ack_APIC_irq();
+		}
+	}
+
+	/*
 	 * Now that we are all set up, enable the APIC
 	 */
 	value = apic_read(APIC_SPIV);
@@ -595,7 +615,7 @@ static int __init apic_set_verbosity(char *str)
 		printk(KERN_WARNING "APIC Verbosity level %s not recognised"
 				" use apic=verbose or apic=debug", str);
 
-	return 0;
+	return 1;
 }
 
 __setup("apic=", apic_set_verbosity);
@@ -1117,35 +1137,35 @@ int __init APIC_init_uniprocessor (void)
 static __init int setup_disableapic(char *str) 
 { 
 	disable_apic = 1;
-	return 0;
+	return 1;
 } 
 
 static __init int setup_nolapic(char *str) 
 { 
 	disable_apic = 1;
-	return 0;
+	return 1;
 } 
 
 static __init int setup_noapictimer(char *str) 
 { 
 	if (str[0] != ' ' && str[0] != 0)
-		return -1;
+		return 0;
 	disable_apic_timer = 1;
-	return 0;
+	return 1;
 } 
 
 static __init int setup_apicmaintimer(char *str)
 {
 	apic_runs_main_timer = 1;
 	nohpet = 1;
-	return 0;
+	return 1;
 }
 __setup("apicmaintimer", setup_apicmaintimer);
 
 static __init int setup_noapicmaintimer(char *str)
 {
 	apic_runs_main_timer = -1;
-	return 0;
+	return 1;
 }
 __setup("noapicmaintimer", setup_noapicmaintimer);
 
diff --git a/arch/x86_64/kernel/early_printk.c b/arch/x86_64/kernel/early_printk.c
index 6dffb49..b93ef5b 100644
--- a/arch/x86_64/kernel/early_printk.c
+++ b/arch/x86_64/kernel/early_printk.c
@@ -17,11 +17,8 @@
 #define VGABASE		((void __iomem *)0xffffffff800b8000UL)
 #endif
 
-#define MAX_YPOS	max_ypos
-#define MAX_XPOS	max_xpos
-
 static int max_ypos = 25, max_xpos = 80;
-static int current_ypos = 1, current_xpos = 0; 
+static int current_ypos = 25, current_xpos = 0;
 
 static void early_vga_write(struct console *con, const char *str, unsigned n)
 {
@@ -29,26 +26,26 @@ static void early_vga_write(struct console *con, const char *str, unsigned n)
 	int  i, k, j;
 
 	while ((c = *str++) != '\0' && n-- > 0) {
-		if (current_ypos >= MAX_YPOS) {
+		if (current_ypos >= max_ypos) {
 			/* scroll 1 line up */
-			for (k = 1, j = 0; k < MAX_YPOS; k++, j++) {
-				for (i = 0; i < MAX_XPOS; i++) {
-					writew(readw(VGABASE + 2*(MAX_XPOS*k + i)),
-					       VGABASE + 2*(MAX_XPOS*j + i));
+			for (k = 1, j = 0; k < max_ypos; k++, j++) {
+				for (i = 0; i < max_xpos; i++) {
+					writew(readw(VGABASE+2*(max_xpos*k+i)),
+					       VGABASE + 2*(max_xpos*j + i));
 				}
 			}
-			for (i = 0; i < MAX_XPOS; i++)
-				writew(0x720, VGABASE + 2*(MAX_XPOS*j + i));
-			current_ypos = MAX_YPOS-1;
+			for (i = 0; i < max_xpos; i++)
+				writew(0x720, VGABASE + 2*(max_xpos*j + i));
+			current_ypos = max_ypos-1;
 		}
 		if (c == '\n') {
 			current_xpos = 0;
 			current_ypos++;
 		} else if (c != '\r')  {
 			writew(((0x7 << 8) | (unsigned short) c),
-			       VGABASE + 2*(MAX_XPOS*current_ypos +
+			       VGABASE + 2*(max_xpos*current_ypos +
 						current_xpos++));
-			if (current_xpos >= MAX_XPOS) {
+			if (current_xpos >= max_xpos) {
 				current_xpos = 0;
 				current_ypos++;
 			}
@@ -63,7 +60,7 @@ static struct console early_vga_console = {
 	.index =	-1,
 };
 
-/* Serial functions loosely based on a similar package from Klaus P. Gerlicher */ 
+/* Serial functions loosely based on a similar package from Klaus P. Gerlicher */
 
 static int early_serial_base = 0x3f8;  /* ttyS0 */
 
@@ -83,30 +80,30 @@ static int early_serial_base = 0x3f8;  /* ttyS0 */
 #define DLL             0       /*  Divisor Latch Low         */
 #define DLH             1       /*  Divisor latch High        */
 
-static int early_serial_putc(unsigned char ch) 
-{ 
-	unsigned timeout = 0xffff; 
-	while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout) 
+static int early_serial_putc(unsigned char ch)
+{
+	unsigned timeout = 0xffff;
+	while ((inb(early_serial_base + LSR) & XMTRDY) == 0 && --timeout)
 		cpu_relax();
 	outb(ch, early_serial_base + TXR);
 	return timeout ? 0 : -1;
-} 
+}
 
 static void early_serial_write(struct console *con, const char *s, unsigned n)
 {
-	while (*s && n-- > 0) { 
-		early_serial_putc(*s); 
-		if (*s == '\n') 
-			early_serial_putc('\r'); 
-		s++; 
-	} 
-} 
+	while (*s && n-- > 0) {
+		early_serial_putc(*s);
+		if (*s == '\n')
+			early_serial_putc('\r');
+		s++;
+	}
+}
 
 #define DEFAULT_BAUD 9600
 
 static __init void early_serial_init(char *s)
 {
-	unsigned char c; 
+	unsigned char c;
 	unsigned divisor;
 	unsigned baud = DEFAULT_BAUD;
 	char *e;
@@ -115,7 +112,7 @@ static __init void early_serial_init(char *s)
 		++s;
 
 	if (*s) {
-		unsigned port; 
+		unsigned port;
 		if (!strncmp(s,"0x",2)) {
 			early_serial_base = simple_strtoul(s, &e, 16);
 		} else {
@@ -139,16 +136,16 @@ static __init void early_serial_init(char *s)
 	outb(0x3, early_serial_base + MCR);	/* DTR + RTS */
 
 	if (*s) {
-		baud = simple_strtoul(s, &e, 0); 
-		if (baud == 0 || s == e) 
+		baud = simple_strtoul(s, &e, 0);
+		if (baud == 0 || s == e)
 			baud = DEFAULT_BAUD;
-	} 
-	
-	divisor = 115200 / baud; 
-	c = inb(early_serial_base + LCR); 
-	outb(c | DLAB, early_serial_base + LCR); 
-	outb(divisor & 0xff, early_serial_base + DLL); 
-	outb((divisor >> 8) & 0xff, early_serial_base + DLH); 
+	}
+
+	divisor = 115200 / baud;
+	c = inb(early_serial_base + LCR);
+	outb(c | DLAB, early_serial_base + LCR);
+	outb(divisor & 0xff, early_serial_base + DLL);
+	outb((divisor >> 8) & 0xff, early_serial_base + DLH);
 	outb(c & ~DLAB, early_serial_base + LCR);
 }
 
@@ -205,67 +202,68 @@ struct console *early_console = &early_vga_console;
 static int early_console_initialized = 0;
 
 void early_printk(const char *fmt, ...)
-{ 
-	char buf[512]; 
-	int n; 
+{
+	char buf[512];
+	int n;
 	va_list ap;
 
-	va_start(ap,fmt); 
+	va_start(ap,fmt);
 	n = vscnprintf(buf,512,fmt,ap);
 	early_console->write(early_console,buf,n);
-	va_end(ap); 
-} 
+	va_end(ap);
+}
 
 static int __initdata keep_early;
 
-int __init setup_early_printk(char *opt) 
-{  
+int __init setup_early_printk(char *opt)
+{
 	char *space;
-	char buf[256]; 
+	char buf[256];
 
 	if (early_console_initialized)
-		return -1;
+		return 1;
 
-	strlcpy(buf,opt,sizeof(buf)); 
-	space = strchr(buf, ' '); 
+	strlcpy(buf,opt,sizeof(buf));
+	space = strchr(buf, ' ');
 	if (space)
-		*space = 0; 
+		*space = 0;
 
 	if (strstr(buf,"keep"))
-		keep_early = 1; 
+		keep_early = 1;
 
-	if (!strncmp(buf, "serial", 6)) { 
+	if (!strncmp(buf, "serial", 6)) {
 		early_serial_init(buf + 6);
 		early_console = &early_serial_console;
-	} else if (!strncmp(buf, "ttyS", 4)) { 
+	} else if (!strncmp(buf, "ttyS", 4)) {
 		early_serial_init(buf);
-		early_console = &early_serial_console;		
+		early_console = &early_serial_console;
 	} else if (!strncmp(buf, "vga", 3)
 	           && SCREEN_INFO.orig_video_isVGA == 1) {
 		max_xpos = SCREEN_INFO.orig_video_cols;
 		max_ypos = SCREEN_INFO.orig_video_lines;
-		early_console = &early_vga_console; 
+		current_ypos = SCREEN_INFO.orig_y;
+		early_console = &early_vga_console;
  	} else if (!strncmp(buf, "simnow", 6)) {
  		simnow_init(buf + 6);
  		early_console = &simnow_console;
  		keep_early = 1;
 	}
 	early_console_initialized = 1;
-	register_console(early_console);       
+	register_console(early_console);
 	return 0;
 }
 
 void __init disable_early_printk(void)
-{ 
+{
 	if (!early_console_initialized || !early_console)
 		return;
 	if (!keep_early) {
 		printk("disabling early console\n");
 		unregister_console(early_console);
 		early_console_initialized = 0;
-	} else { 
+	} else {
 		printk("keeping early console\n");
 	}
-} 
+}
 
 __setup("earlyprintk=", setup_early_printk);
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 22cb6ee..8538bfe 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -178,12 +178,6 @@ rff_trace:
  * Interrupts are off on entry.
  * Only called from user space.
  *
- * EM64T CPUs have somewhat weird error reporting for non canonical RIPs in SYSRET. 
- * We can't handle any exceptions there because the exception handler would
- * end up running on the user stack which is unsafe. To avoid problems 
- * any code that might end up with a user touched pt_regs should return
- * using int_ret_from_syscall.
- *
  * XXX	if we had a free scratch register we could save the RSP into the stack frame
  *      and report it properly in ps. Unfortunately we haven't.
  */ 			 		
@@ -260,9 +254,7 @@ sysret_signal:
 	xorl %esi,%esi # oldset -> arg2
 	call ptregscall_common
 1:	movl $_TIF_NEED_RESCHED,%edi
-	/* Stack frame might have been changed. The IRET path does
-	   some additional checks to handle this */
-	jmp int_with_check
+	jmp sysret_check
 	
 badsys:
 	movq $-ENOSYS,RAX-ARGOFFSET(%rsp)
@@ -288,8 +280,7 @@ tracesys:
 	call syscall_trace_leave
 	RESTORE_TOP_OF_STACK %rbx
 	RESTORE_REST
-	/* Stack frame might have been changed. Use the more careful IRET path */
-	jmp int_ret_from_sys_call
+	jmp ret_from_sys_call
 	CFI_ENDPROC
 		
 /* 
@@ -417,9 +408,25 @@ ENTRY(stub_execve)
 	CFI_ADJUST_CFA_OFFSET -8
 	CFI_REGISTER rip, r11
 	SAVE_REST
+	movq %r11, %r15
+	CFI_REGISTER rip, r15
 	FIXUP_TOP_OF_STACK %r11
 	call sys_execve
+	GET_THREAD_INFO(%rcx)
+	bt $TIF_IA32,threadinfo_flags(%rcx)
+	CFI_REMEMBER_STATE
+	jc exec_32bit
 	RESTORE_TOP_OF_STACK %r11
+	movq %r15, %r11
+	CFI_REGISTER rip, r11
+	RESTORE_REST
+	pushq %r11
+	CFI_ADJUST_CFA_OFFSET 8
+	CFI_REL_OFFSET rip, 0
+	ret
+
+exec_32bit:
+	CFI_RESTORE_STATE
 	movq %rax,RAX(%rsp)
 	RESTORE_REST
 	jmp int_ret_from_sys_call
@@ -546,7 +553,7 @@ iret_label:
 	/* force a signal here? this matches i386 behaviour */
 	/* running with kernel gs */
 bad_iret:
-	movq $-9999,%rdi	/* better code? */
+	movq $11,%rdi	/* SIGSEGV */
 	sti
 	jmp do_exit			
 	.previous	
diff --git a/arch/x86_64/kernel/functionlist b/arch/x86_64/kernel/functionlist
new file mode 100644
index 0000000..2bcebdc
--- /dev/null
+++ b/arch/x86_64/kernel/functionlist
@@ -0,0 +1,1286 @@
+*(.text.flush_thread)
+*(.text.check_poison_obj)
+*(.text.copy_page)
+*(.text.__set_personality)
+*(.text.gart_map_sg)
+*(.text.kmem_cache_free)
+*(.text.find_get_page)
+*(.text._raw_spin_lock)
+*(.text.ide_outb)
+*(.text.unmap_vmas)
+*(.text.copy_page_range)
+*(.text.kprobe_handler)
+*(.text.__handle_mm_fault)
+*(.text.__d_lookup)
+*(.text.copy_user_generic)
+*(.text.__link_path_walk)
+*(.text.get_page_from_freelist)
+*(.text.kmem_cache_alloc)
+*(.text.drive_cmd_intr)
+*(.text.ia32_setup_sigcontext)
+*(.text.huge_pte_offset)
+*(.text.do_page_fault)
+*(.text.page_remove_rmap)
+*(.text.release_pages)
+*(.text.ide_end_request)
+*(.text.__mutex_lock_slowpath)
+*(.text.__find_get_block)
+*(.text.kfree)
+*(.text.vfs_read)
+*(.text._raw_spin_unlock)
+*(.text.free_hot_cold_page)
+*(.text.fget_light)
+*(.text.schedule)
+*(.text.memcmp)
+*(.text.touch_atime)
+*(.text.__might_sleep)
+*(.text.__down_read_trylock)
+*(.text.arch_pick_mmap_layout)
+*(.text.find_vma)
+*(.text.__make_request)
+*(.text.do_generic_mapping_read)
+*(.text.mutex_lock_interruptible)
+*(.text.__generic_file_aio_read)
+*(.text._atomic_dec_and_lock)
+*(.text.__wake_up_bit)
+*(.text.add_to_page_cache)
+*(.text.cache_alloc_debugcheck_after)
+*(.text.vm_normal_page)
+*(.text.mutex_debug_check_no_locks_freed)
+*(.text.net_rx_action)
+*(.text.__find_first_zero_bit)
+*(.text.put_page)
+*(.text._raw_read_lock)
+*(.text.__delay)
+*(.text.dnotify_parent)
+*(.text.do_path_lookup)
+*(.text.do_sync_read)
+*(.text.do_lookup)
+*(.text.bit_waitqueue)
+*(.text.file_read_actor)
+*(.text.strncpy_from_user)
+*(.text.__pagevec_lru_add_active)
+*(.text.fget)
+*(.text.dput)
+*(.text.__strnlen_user)
+*(.text.inotify_inode_queue_event)
+*(.text.rw_verify_area)
+*(.text.ide_intr)
+*(.text.inotify_dentry_parent_queue_event)
+*(.text.permission)
+*(.text.memscan)
+*(.text.hpet_rtc_interrupt)
+*(.text.do_mmap_pgoff)
+*(.text.current_fs_time)
+*(.text.vfs_getattr)
+*(.text.kmem_flagcheck)
+*(.text.mark_page_accessed)
+*(.text.free_pages_and_swap_cache)
+*(.text.generic_fillattr)
+*(.text.__block_prepare_write)
+*(.text.__set_page_dirty_nobuffers)
+*(.text.link_path_walk)
+*(.text.find_get_pages_tag)
+*(.text.ide_do_request)
+*(.text.__alloc_pages)
+*(.text.generic_permission)
+*(.text.mod_page_state_offset)
+*(.text.free_pgd_range)
+*(.text.generic_file_buffered_write)
+*(.text.number)
+*(.text.ide_do_rw_disk)
+*(.text.__brelse)
+*(.text.__mod_page_state_offset)
+*(.text.rotate_reclaimable_page)
+*(.text.find_vma_prepare)
+*(.text.find_vma_prev)
+*(.text.lru_cache_add_active)
+*(.text.__kmalloc_track_caller)
+*(.text.smp_invalidate_interrupt)
+*(.text.handle_IRQ_event)
+*(.text.__find_get_block_slow)
+*(.text.do_wp_page)
+*(.text.do_select)
+*(.text.set_user_nice)
+*(.text.sys_read)
+*(.text.do_munmap)
+*(.text.csum_partial)
+*(.text.__do_softirq)
+*(.text.may_open)
+*(.text.getname)
+*(.text.get_empty_filp)
+*(.text.__fput)
+*(.text.remove_mapping)
+*(.text.filp_ctor)
+*(.text.poison_obj)
+*(.text.unmap_region)
+*(.text.test_set_page_writeback)
+*(.text.__do_page_cache_readahead)
+*(.text.sock_def_readable)
+*(.text.ide_outl)
+*(.text.shrink_zone)
+*(.text.rb_insert_color)
+*(.text.get_request)
+*(.text.sys_pread64)
+*(.text.spin_bug)
+*(.text.ide_outsl)
+*(.text.mask_and_ack_8259A)
+*(.text.filemap_nopage)
+*(.text.page_add_file_rmap)
+*(.text.find_lock_page)
+*(.text.tcp_poll)
+*(.text.__mark_inode_dirty)
+*(.text.file_ra_state_init)
+*(.text.generic_file_llseek)
+*(.text.__pagevec_lru_add)
+*(.text.page_cache_readahead)
+*(.text.n_tty_receive_buf)
+*(.text.zonelist_policy)
+*(.text.vma_adjust)
+*(.text.test_clear_page_dirty)
+*(.text.sync_buffer)
+*(.text.do_exit)
+*(.text.__bitmap_weight)
+*(.text.alloc_pages_current)
+*(.text.get_unused_fd)
+*(.text.zone_watermark_ok)
+*(.text.cpuset_update_task_memory_state)
+*(.text.__bitmap_empty)
+*(.text.sys_munmap)
+*(.text.__inode_dir_notify)
+*(.text.__generic_file_aio_write_nolock)
+*(.text.__pte_alloc)
+*(.text.sys_select)
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+*(.text.bictcp_min_cwnd)
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+*(.text.tcp_ioctl)
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+*(.text.__invalidate_device)
+*(.text.install_arg_page)
+*(.text.in_sched_functions)
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+*(.text.init_once)
+*(.text.init_cdrom_command)
+*(.text.inet_stream_connect)
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+*(.text.inet_csk_addr2sockaddr)
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+*(.text.ifind)
+*(.text.ide_setup_dma)
+*(.text.ide_outsw)
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+*(.text.ide_cdrom_packet)
+*(.text.ide_cd_put)
+*(.text.ide_build_sglist)
+*(.text.i8259A_shutdown)
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+*(.text.hrtimer_nanosleep)
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+*(.text.hrtimer_cancel)
+*(.text.hash_futex)
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+*(.text.get_stack)
+*(.text.get_page_state)
+*(.text.getnstimeofday)
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+*(.text.get_kprobe)
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+*(.text.fillonedir)
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+*(.text.exit_idle)
+*(.text.exact_lock)
+*(.text.eth_header)
+*(.text.dummy_unregister_security)
+*(.text.dummy_socket_post_create)
+*(.text.dummy_socket_listen)
+*(.text.dummy_quota_on)
+*(.text.dummy_inode_follow_link)
+*(.text.dummy_file_receive)
+*(.text.dummy_file_mprotect)
+*(.text.dummy_file_lock)
+*(.text.dummy_file_ioctl)
+*(.text.dummy_bprm_post_apply_creds)
+*(.text.do_writepages)
+*(.text.__down_interruptible)
+*(.text.do_notify_resume)
+*(.text.do_acct_process)
+*(.text.del_timer_sync)
+*(.text.default_rebuild_header)
+*(.text.d_callback)
+*(.text.dcache_readdir)
+*(.text.ctrl_dumpfamily)
+*(.text.cpuset_rmdir)
+*(.text.copy_strings_kernel)
+*(.text.con_write_room)
+*(.text.complete_all)
+*(.text.collect_sigign_sigcatch)
+*(.text.clear_user)
+*(.text.check_unthrottle)
+*(.text.cdrom_release)
+*(.text.cdrom_newpc_intr)
+*(.text.cdrom_ioctl)
+*(.text.cdrom_check_status)
+*(.text.cdev_put)
+*(.text.cdev_add)
+*(.text.cap_ptrace)
+*(.text.cap_bprm_secureexec)
+*(.text.cache_alloc_refill)
+*(.text.bmap)
+*(.text.blk_run_queue)
+*(.text.blk_queue_dma_alignment)
+*(.text.blk_ordered_req_seq)
+*(.text.blk_backing_dev_unplug)
+*(.text.__bitmap_subset)
+*(.text.__bitmap_and)
+*(.text.bio_unmap_user)
+*(.text.__bforget)
+*(.text.bd_forget)
+*(.text.bad_pipe_w)
+*(.text.bad_get_user)
+*(.text.audit_free)
+*(.text.anon_vma_ctor)
+*(.text.anon_pipe_buf_map)
+*(.text.alloc_sock_iocb)
+*(.text.alloc_fdset)
+*(.text.aio_kick_handler)
+*(.text.__add_entropy_words)
+*(.text.add_disk_randomness)
diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S
index 02fc7fa..6df05e6 100644
--- a/arch/x86_64/kernel/head.S
+++ b/arch/x86_64/kernel/head.S
@@ -26,6 +26,7 @@
  */
 
 	.text
+	.section .bootstrap.text
 	.code32
 	.globl startup_32
 /* %bx:	 1 if coming from smp trampoline on secondary cpu */ 
@@ -192,7 +193,8 @@ startup_64:
 	movq	initial_code(%rip),%rax
 	jmp	*%rax
 
-	/* SMP bootup changes these two */	
+	/* SMP bootup changes these two */
+	.align	8
 	.globl	initial_code
 initial_code:
 	.quad	x86_64_start_kernel
@@ -237,7 +239,7 @@ ENTRY(no_long_mode)
 .org 0xf00
 	.globl pGDT32
 pGDT32:
-	.word	gdt_end-cpu_gdt_table
+	.word	gdt_end-cpu_gdt_table-1
 	.long	cpu_gdt_table-__START_KERNEL_map
 
 .org 0xf10	
@@ -293,8 +295,6 @@ NEXT_PAGE(level2_kernel_pgt)
 	/* Module mapping starts here */
 	.fill	492,8,0
 
-NEXT_PAGE(empty_zero_page)
-
 NEXT_PAGE(level3_physmem_pgt)
 	.quad	phys_level2_kernel_pgt | 0x007	/* so that __va works even before pagetable_init */
 	.fill	511,8,0
@@ -337,7 +337,7 @@ ENTRY(boot_level4_pgt)
 	.align 16
 	.globl cpu_gdt_descr
 cpu_gdt_descr:
-	.word	gdt_end-cpu_gdt_table
+	.word	gdt_end-cpu_gdt_table-1
 gdt:
 	.quad	cpu_gdt_table
 #ifdef CONFIG_SMP
@@ -352,7 +352,8 @@ gdt:
  * Also sysret mandates a special GDT layout 
  */
 		 		
-.align PAGE_SIZE
+	.section .data.page_aligned, "aw"
+	.align PAGE_SIZE
 
 /* The TLS descriptors are currently at a different place compared to i386.
    Hopefully nobody expects them at a fixed place (Wine?) */
@@ -378,9 +379,12 @@ gdt_end:
 	/* zero the remaining page */
 	.fill PAGE_SIZE / 8 - GDT_ENTRIES,8,0
 
-ENTRY(idt_table)	
-	.rept   256
-	.quad   0
-	.quad 	0
-	.endr
+	.section .bss, "aw", @nobits
+	.align L1_CACHE_BYTES
+ENTRY(idt_table)
+	.skip 256 * 16
 
+	.section .bss.page_aligned, "aw", @nobits
+	.align PAGE_SIZE
+ENTRY(empty_zero_page)
+	.skip PAGE_SIZE
diff --git a/arch/x86_64/kernel/io_apic.c b/arch/x86_64/kernel/io_apic.c
index ffed464..77b4c60 100644
--- a/arch/x86_64/kernel/io_apic.c
+++ b/arch/x86_64/kernel/io_apic.c
@@ -50,7 +50,7 @@ static int no_timer_check;
 
 int disable_timer_pin_1 __initdata;
 
-int timer_over_8254 __initdata = 1;
+int timer_over_8254 __initdata = 0;
 
 /* Where if anywhere is the i8259 connect in external int mode */
 static struct { int pin, apic; } ioapic_i8259 = { -1, -1 };
@@ -310,7 +310,7 @@ void __init check_ioapic(void)
 					     force_iommu) &&
 					    !iommu_aperture_allowed) {
 						printk(KERN_INFO
-    "Looks like a VIA chipset. Disabling IOMMU. Overwrite with \"iommu=allowed\"\n");
+    "Looks like a VIA chipset. Disabling IOMMU. Override with \"iommu=allowed\"\n");
 						iommu_aperture_disabled = 1;
 					}
 #endif
@@ -1848,7 +1848,7 @@ static inline void check_timer(void)
 		 */
 		setup_ExtINT_IRQ0_pin(apic2, pin2, vector);
 		if (timer_irq_works()) {
-			printk("works.\n");
+			apic_printk(APIC_VERBOSE," works.\n");
 			nmi_watchdog_default();
 			if (nmi_watchdog == NMI_IO_APIC) {
 				setup_nmi();
@@ -1860,7 +1860,7 @@ static inline void check_timer(void)
 		 */
 		clear_IO_APIC_pin(apic2, pin2);
 	}
-	printk(" failed.\n");
+	apic_printk(APIC_VERBOSE," failed.\n");
 
 	if (nmi_watchdog == NMI_IO_APIC) {
 		printk(KERN_WARNING "timer doesn't work through the IO-APIC - disabling NMI Watchdog!\n");
@@ -1875,7 +1875,7 @@ static inline void check_timer(void)
 	enable_8259A_irq(0);
 
 	if (timer_irq_works()) {
-		apic_printk(APIC_QUIET, " works.\n");
+		apic_printk(APIC_VERBOSE," works.\n");
 		return;
 	}
 	apic_write(APIC_LVT0, APIC_LVT_MASKED | APIC_DM_FIXED | vector);
diff --git a/arch/x86_64/kernel/irq.c b/arch/x86_64/kernel/irq.c
index 30d2a1e..d8bd0b3 100644
--- a/arch/x86_64/kernel/irq.c
+++ b/arch/x86_64/kernel/irq.c
@@ -38,9 +38,8 @@ int show_interrupts(struct seq_file *p, void *v)
 
 	if (i == 0) {
 		seq_printf(p, "           ");
-		for (j=0; j<NR_CPUS; j++)
-			if (cpu_online(j))
-				seq_printf(p, "CPU%d       ",j);
+		for_each_online_cpu(j)
+			seq_printf(p, "CPU%d       ",j);
 		seq_putc(p, '\n');
 	}
 
@@ -53,10 +52,8 @@ int show_interrupts(struct seq_file *p, void *v)
 #ifndef CONFIG_SMP
 		seq_printf(p, "%10u ", kstat_irqs(i));
 #else
-		for (j=0; j<NR_CPUS; j++)
-			if (cpu_online(j))
-			seq_printf(p, "%10u ",
-				kstat_cpu(j).irqs[i]);
+		for_each_online_cpu(j)
+			seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
 #endif
 		seq_printf(p, " %14s", irq_desc[i].handler->typename);
 
@@ -68,15 +65,13 @@ skip:
 		spin_unlock_irqrestore(&irq_desc[i].lock, flags);
 	} else if (i == NR_IRQS) {
 		seq_printf(p, "NMI: ");
-		for (j = 0; j < NR_CPUS; j++)
-			if (cpu_online(j))
-				seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
+		for_each_online_cpu(j)
+			seq_printf(p, "%10u ", cpu_pda(j)->__nmi_count);
 		seq_putc(p, '\n');
 #ifdef CONFIG_X86_LOCAL_APIC
 		seq_printf(p, "LOC: ");
-		for (j = 0; j < NR_CPUS; j++)
-			if (cpu_online(j))
-				seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
+		for_each_online_cpu(j)
+			seq_printf(p, "%10u ", cpu_pda(j)->apic_timer_irqs);
 		seq_putc(p, '\n');
 #endif
 		seq_printf(p, "ERR: %10u\n", atomic_read(&irq_err_count));
diff --git a/arch/x86_64/kernel/kprobes.c b/arch/x86_64/kernel/kprobes.c
index 8b866a8..accbff3 100644
--- a/arch/x86_64/kernel/kprobes.c
+++ b/arch/x86_64/kernel/kprobes.c
@@ -37,10 +37,12 @@
 #include <linux/string.h>
 #include <linux/slab.h>
 #include <linux/preempt.h>
+#include <linux/module.h>
 
 #include <asm/cacheflush.h>
 #include <asm/pgtable.h>
 #include <asm/kdebug.h>
+#include <asm/uaccess.h>
 
 void jprobe_return_end(void);
 static void __kprobes arch_copy_kprobe(struct kprobe *p);
@@ -222,9 +224,9 @@ void __kprobes arch_disarm_kprobe(struct kprobe *p)
 
 void __kprobes arch_remove_kprobe(struct kprobe *p)
 {
-	down(&kprobe_mutex);
+	mutex_lock(&kprobe_mutex);
 	free_insn_slot(p->ainsn.insn);
-	up(&kprobe_mutex);
+	mutex_unlock(&kprobe_mutex);
 }
 
 static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
@@ -578,16 +580,62 @@ int __kprobes kprobe_fault_handler(struct pt_regs *regs, int trapnr)
 {
 	struct kprobe *cur = kprobe_running();
 	struct kprobe_ctlblk *kcb = get_kprobe_ctlblk();
+	const struct exception_table_entry *fixup;
 
-	if (cur->fault_handler && cur->fault_handler(cur, regs, trapnr))
-		return 1;
-
-	if (kcb->kprobe_status & KPROBE_HIT_SS) {
-		resume_execution(cur, regs, kcb);
+	switch(kcb->kprobe_status) {
+	case KPROBE_HIT_SS:
+	case KPROBE_REENTER:
+		/*
+		 * We are here because the instruction being single
+		 * stepped caused a page fault. We reset the current
+		 * kprobe and the rip points back to the probe address
+		 * and allow the page fault handler to continue as a
+		 * normal page fault.
+		 */
+		regs->rip = (unsigned long)cur->addr;
 		regs->eflags |= kcb->kprobe_old_rflags;
-
-		reset_current_kprobe();
+		if (kcb->kprobe_status == KPROBE_REENTER)
+			restore_previous_kprobe(kcb);
+		else
+			reset_current_kprobe();
 		preempt_enable_no_resched();
+		break;
+	case KPROBE_HIT_ACTIVE:
+	case KPROBE_HIT_SSDONE:
+		/*
+		 * We increment the nmissed count for accounting,
+		 * we can also use npre/npostfault count for accouting
+		 * these specific fault cases.
+		 */
+		kprobes_inc_nmissed_count(cur);
+
+		/*
+		 * We come here because instructions in the pre/post
+		 * handler caused the page_fault, this could happen
+		 * if handler tries to access user space by
+		 * copy_from_user(), get_user() etc. Let the
+		 * user-specified handler try to fix it first.
+		 */
+		if (cur->fault_handler && cur->fault_handler(cur, regs, trapnr))
+			return 1;
+
+		/*
+		 * In case the user-specified fault handler returned
+		 * zero, try to fix up.
+		 */
+		fixup = search_exception_tables(regs->rip);
+		if (fixup) {
+			regs->rip = fixup->fixup;
+			return 1;
+		}
+
+		/*
+		 * fixup() could not handle it,
+		 * Let do_page_fault() fix it.
+		 */
+		break;
+	default:
+		break;
 	}
 	return 0;
 }
@@ -601,6 +649,9 @@ int __kprobes kprobe_exceptions_notify(struct notifier_block *self,
 	struct die_args *args = (struct die_args *)data;
 	int ret = NOTIFY_DONE;
 
+	if (args->regs && user_mode(args->regs))
+		return ret;
+
 	switch (val) {
 	case DIE_INT3:
 		if (kprobe_handler(args->regs))
diff --git a/arch/x86_64/kernel/mce.c b/arch/x86_64/kernel/mce.c
index b8b9529..10b3e34 100644
--- a/arch/x86_64/kernel/mce.c
+++ b/arch/x86_64/kernel/mce.c
@@ -139,8 +139,7 @@ static void mce_panic(char *msg, struct mce *backup, unsigned long start)
 
 static int mce_available(struct cpuinfo_x86 *c)
 {
-	return test_bit(X86_FEATURE_MCE, &c->x86_capability) &&
-	       test_bit(X86_FEATURE_MCA, &c->x86_capability);
+	return cpu_has(c, X86_FEATURE_MCE) && cpu_has(c, X86_FEATURE_MCA);
 }
 
 static inline void mce_get_rip(struct mce *m, struct pt_regs *regs)
@@ -502,7 +501,7 @@ static struct miscdevice mce_log_device = {
 static int __init mcheck_disable(char *str)
 {
 	mce_dont_init = 1;
-	return 0;
+	return 1;
 }
 
 /* mce=off disables machine check. Note you can reenable it later
@@ -522,7 +521,7 @@ static int __init mcheck_enable(char *str)
 		get_option(&str, &tolerant);
 	else
 		printk("mce= argument %s ignored. Please use /sys", str); 
-	return 0;
+	return 1;
 }
 
 __setup("nomce", mcheck_disable);
diff --git a/arch/x86_64/kernel/mpparse.c b/arch/x86_64/kernel/mpparse.c
index 9013a90..b17cf3e 100644
--- a/arch/x86_64/kernel/mpparse.c
+++ b/arch/x86_64/kernel/mpparse.c
@@ -106,11 +106,11 @@ static int __init mpf_checksum(unsigned char *mp, int len)
 	return sum & 0xFF;
 }
 
-static void __init MP_processor_info (struct mpc_config_processor *m)
+static void __cpuinit MP_processor_info (struct mpc_config_processor *m)
 {
 	int cpu;
 	unsigned char ver;
-	static int found_bsp=0;
+	cpumask_t tmp_map;
 
 	if (!(m->mpc_cpuflag & CPU_ENABLED)) {
 		disabled_cpus++;
@@ -133,8 +133,10 @@ static void __init MP_processor_info (struct mpc_config_processor *m)
 		return;
 	}
 
-	cpu = num_processors++;
-	
+	num_processors++;
+	cpus_complement(tmp_map, cpu_present_map);
+	cpu = first_cpu(tmp_map);
+
 #if MAX_APICS < 255	
 	if ((int)m->mpc_apicid > MAX_APICS) {
 		printk(KERN_ERR "Processor #%d INVALID. (Max ID: %d).\n",
@@ -160,12 +162,7 @@ static void __init MP_processor_info (struct mpc_config_processor *m)
  		 * entry is BSP, and so on.
  		 */
 		cpu = 0;
-
- 		bios_cpu_apicid[0] = m->mpc_apicid;
- 		x86_cpu_to_apicid[0] = m->mpc_apicid;
- 		found_bsp = 1;
- 	} else
-		cpu = num_processors - found_bsp;
+ 	}
 	bios_cpu_apicid[cpu] = m->mpc_apicid;
 	x86_cpu_to_apicid[cpu] = m->mpc_apicid;
 
@@ -691,7 +688,7 @@ void __init mp_register_lapic_address (
 }
 
 
-void __init mp_register_lapic (
+void __cpuinit mp_register_lapic (
 	u8			id, 
 	u8			enabled)
 {
diff --git a/arch/x86_64/kernel/nmi.c b/arch/x86_64/kernel/nmi.c
index 5bf17e4..d9e4067 100644
--- a/arch/x86_64/kernel/nmi.c
+++ b/arch/x86_64/kernel/nmi.c
@@ -162,9 +162,7 @@ int __init check_nmi_watchdog (void)
 	local_irq_enable();
 	mdelay((10*1000)/nmi_hz); // wait 10 ticks
 
-	for (cpu = 0; cpu < NR_CPUS; cpu++) {
-		if (!cpu_online(cpu))
-			continue;
+	for_each_online_cpu(cpu) {
 		if (cpu_pda(cpu)->__nmi_count - counts[cpu] <= 5) {
 			endflag = 1;
 			printk("CPU#%d: NMI appears to be stuck (%d->%d)!\n",
@@ -536,6 +534,7 @@ asmlinkage __kprobes void do_nmi(struct pt_regs * regs, long error_code)
 
 void set_nmi_callback(nmi_callback_t callback)
 {
+	vmalloc_sync_all();
 	rcu_assign_pointer(nmi_callback, callback);
 }
 
diff --git a/arch/x86_64/kernel/pci-dma.c b/arch/x86_64/kernel/pci-dma.c
index 4ed391e..03c9eee 100644
--- a/arch/x86_64/kernel/pci-dma.c
+++ b/arch/x86_64/kernel/pci-dma.c
@@ -73,6 +73,9 @@ dma_alloc_coherent(struct device *dev, size_t size, dma_addr_t *dma_handle,
 	if (dma_mask == 0)
 		dma_mask = 0xffffffff;
 
+	/* Don't invoke OOM killer */
+	gfp |= __GFP_NORETRY;
+
 	/* Kludge to make it bug-to-bug compatible with i386. i386
 	   uses the normal dma_mask for alloc_coherent. */
 	dma_mask &= *dev->dma_mask;
diff --git a/arch/x86_64/kernel/pci-gart.c b/arch/x86_64/kernel/pci-gart.c
index 0c3f052..a6c01e1 100644
--- a/arch/x86_64/kernel/pci-gart.c
+++ b/arch/x86_64/kernel/pci-gart.c
@@ -65,9 +65,7 @@ static u32 gart_unmapped_entry;
 
 #define for_all_nb(dev) \
 	dev = NULL;	\
-	while ((dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1103, dev))!=NULL)\
-	     if (dev->bus->number == 0 && 				     \
-		    (PCI_SLOT(dev->devfn) >= 24) && (PCI_SLOT(dev->devfn) <= 31))
+	while ((dev = pci_get_device(PCI_VENDOR_ID_AMD, 0x1103, dev))!=NULL)
 
 static struct pci_dev *northbridges[MAX_NB];
 static u32 northbridge_flush_word[MAX_NB];
@@ -148,9 +146,12 @@ static void flush_gart(struct device *dev)
 			if (!northbridges[i])
 				continue;
 			/* Make sure the hardware actually executed the flush. */
-			do { 
+			for (;;) { 
 				pci_read_config_dword(northbridges[i], 0x9c, &w);
-			} while (w & 1);
+				if (!(w & 1))
+					break;
+				cpu_relax();
+			}
 		} 
 		if (!flushed) 
 			printk("nothing to flush?\n");
diff --git a/arch/x86_64/kernel/pmtimer.c b/arch/x86_64/kernel/pmtimer.c
index 5c51d10..b0444a4 100644
--- a/arch/x86_64/kernel/pmtimer.c
+++ b/arch/x86_64/kernel/pmtimer.c
@@ -86,7 +86,7 @@ static unsigned pmtimer_wait_tick(void)
 	for (a = b = inl(pmtmr_ioport) & ACPI_PM_MASK;
 	     a == b;
 	     b = inl(pmtmr_ioport) & ACPI_PM_MASK)
-		;
+		cpu_relax();
 	return b;
 }
 
@@ -97,6 +97,7 @@ void pmtimer_wait(unsigned us)
 	a = pmtimer_wait_tick();
 	do {
 		b = inl(pmtmr_ioport);
+		cpu_relax();
 	} while (cyc2us(b - a) < us);
 }
 
@@ -120,7 +121,7 @@ unsigned int do_gettimeoffset_pm(void)
 static int __init nopmtimer_setup(char *s)
 {
 	pmtmr_ioport = 0;
-	return 0;
+	return 1;
 }
 
 __setup("nopmtimer", nopmtimer_setup);
diff --git a/arch/x86_64/kernel/process.c b/arch/x86_64/kernel/process.c
index 22a05de..70dd8e5 100644
--- a/arch/x86_64/kernel/process.c
+++ b/arch/x86_64/kernel/process.c
@@ -35,8 +35,8 @@
 #include <linux/ptrace.h>
 #include <linux/utsname.h>
 #include <linux/random.h>
-#include <linux/kprobes.h>
 #include <linux/notifier.h>
+#include <linux/kprobes.h>
 
 #include <asm/uaccess.h>
 #include <asm/pgtable.h>
@@ -66,24 +66,17 @@ EXPORT_SYMBOL(boot_option_idle_override);
 void (*pm_idle)(void);
 static DEFINE_PER_CPU(unsigned int, cpu_idle_state);
 
-static struct notifier_block *idle_notifier;
-static DEFINE_SPINLOCK(idle_notifier_lock);
+static ATOMIC_NOTIFIER_HEAD(idle_notifier);
 
 void idle_notifier_register(struct notifier_block *n)
 {
-	unsigned long flags;
-	spin_lock_irqsave(&idle_notifier_lock, flags);
-	notifier_chain_register(&idle_notifier, n);
-	spin_unlock_irqrestore(&idle_notifier_lock, flags);
+	atomic_notifier_chain_register(&idle_notifier, n);
 }
 EXPORT_SYMBOL_GPL(idle_notifier_register);
 
 void idle_notifier_unregister(struct notifier_block *n)
 {
-	unsigned long flags;
-	spin_lock_irqsave(&idle_notifier_lock, flags);
-	notifier_chain_unregister(&idle_notifier, n);
-	spin_unlock_irqrestore(&idle_notifier_lock, flags);
+	atomic_notifier_chain_unregister(&idle_notifier, n);
 }
 EXPORT_SYMBOL(idle_notifier_unregister);
 
@@ -93,13 +86,13 @@ static DEFINE_PER_CPU(enum idle_state, idle_state) = CPU_NOT_IDLE;
 void enter_idle(void)
 {
 	__get_cpu_var(idle_state) = CPU_IDLE;
-	notifier_call_chain(&idle_notifier, IDLE_START, NULL);
+	atomic_notifier_call_chain(&idle_notifier, IDLE_START, NULL);
 }
 
 static void __exit_idle(void)
 {
 	__get_cpu_var(idle_state) = CPU_NOT_IDLE;
-	notifier_call_chain(&idle_notifier, IDLE_END, NULL);
+	atomic_notifier_call_chain(&idle_notifier, IDLE_END, NULL);
 }
 
 /* Called from interrupts to signify idle end */
@@ -114,7 +107,7 @@ void exit_idle(void)
  * We use this if we don't have any better
  * idle routine..
  */
-void default_idle(void)
+static void default_idle(void)
 {
 	local_irq_enable();
 
@@ -353,13 +346,6 @@ void exit_thread(void)
 	struct task_struct *me = current;
 	struct thread_struct *t = &me->thread;
 
-	/*
-	 * Remove function-return probe instances associated with this task
-	 * and put them back on the free list. Do not insert an exit probe for
-	 * this function, it will be disabled by kprobe_flush_task if you do.
-	 */
-	kprobe_flush_task(me);
-
 	if (me->thread.io_bitmap_ptr) { 
 		struct tss_struct *tss = &per_cpu(init_tss, get_cpu());
 
@@ -508,7 +494,7 @@ out:
 /*
  * This special macro can be used to load a debugging register
  */
-#define loaddebug(thread,r) set_debug(thread->debugreg ## r, r)
+#define loaddebug(thread,r) set_debugreg(thread->debugreg ## r, r)
 
 /*
  *	switch_to(x,y) should switch tasks from x to y.
@@ -527,8 +513,6 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 	int cpu = smp_processor_id();  
 	struct tss_struct *tss = &per_cpu(init_tss, cpu);
 
-	unlazy_fpu(prev_p);
-
 	/*
 	 * Reload esp0, LDT and the page table pointer:
 	 */
@@ -586,11 +570,14 @@ __switch_to(struct task_struct *prev_p, struct task_struct *next_p)
 	}
 
 	/* 
-	 * Switch the PDA context.
+	 * Switch the PDA and FPU contexts.
 	 */
 	prev->userrsp = read_pda(oldrsp); 
 	write_pda(oldrsp, next->userrsp); 
 	write_pda(pcurrent, next_p); 
+	/* This must be here to ensure both math_state_restore() and
+	   kernel_fpu_begin() work consistently. */
+	unlazy_fpu(prev_p);
 	write_pda(kernelstack,
 		  task_stack_page(next_p) + THREAD_SIZE - PDA_STACKOFFSET);
 
diff --git a/arch/x86_64/kernel/ptrace.c b/arch/x86_64/kernel/ptrace.c
index 5320562..d44b2c1 100644
--- a/arch/x86_64/kernel/ptrace.c
+++ b/arch/x86_64/kernel/ptrace.c
@@ -420,9 +420,9 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
 		case offsetof(struct user, u_debugreg[7]):
 			/* See arch/i386/kernel/ptrace.c for an explanation of
 			 * this awkward check.*/
-				  data &= ~DR_CONTROL_RESERVED;
-				  for(i=0; i<4; i++)
-					  if ((0x5454 >> ((data >> (16 + 4*i)) & 0xf)) & 1)
+			data &= ~DR_CONTROL_RESERVED;
+			for(i=0; i<4; i++)
+				if ((0x5554 >> ((data >> (16 + 4*i)) & 0xf)) & 1)
 					break;
 			if (i == 4) {
 				child->thread.debugreg7 = data;
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index aa55e3c..0856ad4 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -46,6 +46,7 @@
 #include <linux/cpufreq.h>
 #include <linux/dmi.h>
 #include <linux/dma-mapping.h>
+#include <linux/ctype.h>
 
 #include <asm/mtrr.h>
 #include <asm/uaccess.h>
@@ -67,6 +68,7 @@
 #include <asm/swiotlb.h>
 #include <asm/sections.h>
 #include <asm/gart-mapping.h>
+#include <asm/dmi.h>
 
 /*
  * Machine setup..
@@ -91,6 +93,12 @@ int bootloader_type;
 
 unsigned long saved_video_mode;
 
+/* 
+ * Early DMI memory
+ */
+int dmi_alloc_index;
+char dmi_alloc_data[DMI_MAX_DATA];
+
 /*
  * Setup options
  */
@@ -270,6 +278,13 @@ static void __init probe_roms(void)
 	}
 }
 
+/* Check for full argument with no trailing characters */
+static int fullarg(char *p, char *arg)
+{
+	int l = strlen(arg);
+	return !memcmp(p, arg, l) && (p[l] == 0 || isspace(p[l]));
+}
+
 static __init void parse_cmdline_early (char ** cmdline_p)
 {
 	char c = ' ', *to = command_line, *from = COMMAND_LINE;
@@ -293,10 +308,10 @@ static __init void parse_cmdline_early (char ** cmdline_p)
 #endif
 #ifdef CONFIG_ACPI
 		/* "acpi=off" disables both ACPI table parsing and interpreter init */
-		if (!memcmp(from, "acpi=off", 8))
+		if (fullarg(from,"acpi=off"))
 			disable_acpi();
 
-		if (!memcmp(from, "acpi=force", 10)) { 
+		if (fullarg(from, "acpi=force")) { 
 			/* add later when we do DMI horrors: */
 			acpi_force = 1;
 			acpi_disabled = 0;
@@ -304,52 +319,47 @@ static __init void parse_cmdline_early (char ** cmdline_p)
 
 		/* acpi=ht just means: do ACPI MADT parsing 
 		   at bootup, but don't enable the full ACPI interpreter */
-		if (!memcmp(from, "acpi=ht", 7)) { 
+		if (fullarg(from, "acpi=ht")) { 
 			if (!acpi_force)
 				disable_acpi();
 			acpi_ht = 1; 
 		}
-                else if (!memcmp(from, "pci=noacpi", 10)) 
+                else if (fullarg(from, "pci=noacpi")) 
 			acpi_disable_pci();
-		else if (!memcmp(from, "acpi=noirq", 10))
+		else if (fullarg(from, "acpi=noirq"))
 			acpi_noirq_set();
 
-		else if (!memcmp(from, "acpi_sci=edge", 13))
+		else if (fullarg(from, "acpi_sci=edge"))
 			acpi_sci_flags.trigger =  1;
-		else if (!memcmp(from, "acpi_sci=level", 14))
+		else if (fullarg(from, "acpi_sci=level"))
 			acpi_sci_flags.trigger = 3;
-		else if (!memcmp(from, "acpi_sci=high", 13))
+		else if (fullarg(from, "acpi_sci=high"))
 			acpi_sci_flags.polarity = 1;
-		else if (!memcmp(from, "acpi_sci=low", 12))
+		else if (fullarg(from, "acpi_sci=low"))
 			acpi_sci_flags.polarity = 3;
 
 		/* acpi=strict disables out-of-spec workarounds */
-		else if (!memcmp(from, "acpi=strict", 11)) {
+		else if (fullarg(from, "acpi=strict")) {
 			acpi_strict = 1;
 		}
 #ifdef CONFIG_X86_IO_APIC
-		else if (!memcmp(from, "acpi_skip_timer_override", 24))
+		else if (fullarg(from, "acpi_skip_timer_override"))
 			acpi_skip_timer_override = 1;
 #endif
 #endif
 
-		if (!memcmp(from, "disable_timer_pin_1", 19))
+		if (fullarg(from, "disable_timer_pin_1"))
 			disable_timer_pin_1 = 1;
-		if (!memcmp(from, "enable_timer_pin_1", 18))
+		if (fullarg(from, "enable_timer_pin_1"))
 			disable_timer_pin_1 = -1;
 
-		if (!memcmp(from, "nolapic", 7) ||
-		    !memcmp(from, "disableapic", 11))
+		if (fullarg(from, "nolapic") || fullarg(from, "disableapic"))
 			disable_apic = 1;
 
-		/* Don't confuse with noapictimer */
-		if (!memcmp(from, "noapic", 6) &&
-			(from[6] == ' ' || from[6] == 0))
+		if (fullarg(from, "noapic"))
 			skip_ioapic_setup = 1;
 
-		/* Make sure to not confuse with apic= */
-		if (!memcmp(from, "apic", 4) &&
-			(from[4] == ' ' || from[4] == 0)) {
+		if (fullarg(from,"apic")) {
 			skip_ioapic_setup = 0;
 			ioapic_force = 1;
 		}
@@ -388,7 +398,7 @@ static __init void parse_cmdline_early (char ** cmdline_p)
 			iommu_setup(from+6); 
 		}
 
-		if (!memcmp(from,"oops=panic", 10))
+		if (fullarg(from,"oops=panic"))
 			panic_on_oops = 1;
 
 		if (!memcmp(from, "noexec=", 7))
@@ -530,7 +540,7 @@ void __init alternative_instructions(void)
 static int __init noreplacement_setup(char *s)
 { 
      no_replacement = 1; 
-     return 0; 
+     return 1;
 } 
 
 __setup("noreplacement", noreplacement_setup); 
@@ -611,11 +621,14 @@ void __init setup_arch(char **cmdline_p)
 	 * we are rounding upwards:
 	 */
 	end_pfn = e820_end_of_ram();
+	num_physpages = end_pfn;		/* for pfn_valid */
 
 	check_efer();
 
 	init_memory_mapping(0, (end_pfn_map << PAGE_SHIFT));
 
+	dmi_scan_machine();
+
 	zap_low_mappings(0);
 
 #ifdef CONFIG_ACPI
@@ -708,6 +721,12 @@ void __init setup_arch(char **cmdline_p)
 
 	check_ioapic();
 
+	/*
+	 * set this early, so we dont allocate cpu0
+	 * if MADT list doesnt list BSP first
+	 * mpparse.c/MP_processor_info() allocates logical cpu numbers.
+	 */
+	cpu_set(0, cpu_present_map);
 #ifdef CONFIG_ACPI
 	/*
 	 * Read APIC and some other early information from ACPI tables.
@@ -836,7 +855,7 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 	unsigned bits;
 #ifdef CONFIG_NUMA
 	int node = 0;
-	unsigned apicid = phys_proc_id[cpu];
+	unsigned apicid = hard_smp_processor_id();
 #endif
 
 	bits = 0;
@@ -846,7 +865,7 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
 	/* Low order bits define the core id (index of core in socket) */
 	cpu_core_id[cpu] = phys_proc_id[cpu] & ((1 << bits)-1);
 	/* Convert the APIC ID into the socket ID */
-	phys_proc_id[cpu] >>= bits;
+	phys_proc_id[cpu] = phys_pkg_id(bits);
 
 #ifdef CONFIG_NUMA
   	node = phys_proc_id[cpu];
@@ -872,8 +891,8 @@ static void __init amd_detect_cmp(struct cpuinfo_x86 *c)
  	}
 	numa_set_node(cpu, node);
 
-  	printk(KERN_INFO "CPU %d(%d) -> Node %d -> Core %d\n",
-  			cpu, c->x86_max_cores, node, cpu_core_id[cpu]);
+  	printk(KERN_INFO "CPU %d/%x(%d) -> Node %d -> Core %d\n",
+  			cpu, apicid, c->x86_max_cores, node, cpu_core_id[cpu]);
 #endif
 #endif
 }
@@ -927,8 +946,6 @@ static int __init init_amd(struct cpuinfo_x86 *c)
 
 	if (c->extended_cpuid_level >= 0x80000008) {
 		c->x86_max_cores = (cpuid_ecx(0x80000008) & 0xff) + 1;
-		if (c->x86_max_cores & (c->x86_max_cores - 1))
-			c->x86_max_cores = 1;
 
 		amd_detect_cmp(c);
 	}
@@ -945,7 +962,6 @@ static void __cpuinit detect_ht(struct cpuinfo_x86 *c)
 
 	cpuid(1, &eax, &ebx, &ecx, &edx);
 
-	c->apicid = phys_pkg_id(0);
 
 	if (!cpu_has(c, X86_FEATURE_HT) || cpu_has(c, X86_FEATURE_CMP_LEGACY))
 		return;
@@ -1154,6 +1170,8 @@ void __cpuinit identify_cpu(struct cpuinfo_x86 *c)
 			c->x86_capability[2] = cpuid_edx(0x80860001);
 	}
 
+	c->apicid = phys_pkg_id(0);
+
 	/*
 	 * Vendor-specific initialization.  In this section we
 	 * canonicalize the feature flags, meaning if there are
@@ -1261,7 +1279,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 
 		/* Intel-defined (#2) */
-		"pni", NULL, NULL, "monitor", "ds_cpl", "vmx", NULL, "est",
+		"pni", NULL, NULL, "monitor", "ds_cpl", "vmx", "smx", "est",
 		"tm2", NULL, "cid", NULL, NULL, "cx16", "xtpr", NULL,
 		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
 		NULL, NULL, NULL, NULL, NULL, NULL, NULL, NULL,
@@ -1344,8 +1362,7 @@ static int show_cpuinfo(struct seq_file *m, void *v)
 	{ 
 		int i; 
 		for ( i = 0 ; i < 32*NCAPINTS ; i++ )
-			if ( test_bit(i, &c->x86_capability) &&
-			     x86_cap_flags[i] != NULL )
+			if (cpu_has(c, i) && x86_cap_flags[i] != NULL)
 				seq_printf(m, " %s", x86_cap_flags[i]);
 	}
 		
@@ -1403,10 +1420,3 @@ struct seq_operations cpuinfo_op = {
 	.show =	show_cpuinfo,
 };
 
-static int __init run_dmi_scan(void)
-{
-	dmi_scan_machine();
-	return 0;
-}
-core_initcall(run_dmi_scan);
-
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index 70f1bb8..8a691fa 100644
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -33,7 +33,7 @@ cpumask_t cpu_initialized __cpuinitdata = CPU_MASK_NONE;
 struct x8664_pda *_cpu_pda[NR_CPUS] __read_mostly;
 struct x8664_pda boot_cpu_pda[NR_CPUS] __cacheline_aligned;
 
-struct desc_ptr idt_descr = { 256 * 16, (unsigned long) idt_table }; 
+struct desc_ptr idt_descr = { 256 * 16 - 1, (unsigned long) idt_table };
 
 char boot_cpu_stack[IRQSTACKSIZE] __attribute__((section(".bss.page_aligned")));
 
@@ -55,11 +55,11 @@ int __init nonx_setup(char *str)
 		do_not_nx = 1;
 		__supported_pte_mask &= ~_PAGE_NX;
         }
-	return 0;
+	return 1;
 } 
 __setup("noexec=", nonx_setup);	/* parsed early actually */
 
-int force_personality32 = READ_IMPLIES_EXEC;
+int force_personality32 = 0; 
 
 /* noexec32=on|off
 Control non executable heap for 32bit processes.
@@ -74,7 +74,7 @@ static int __init nonx32_setup(char *str)
 		force_personality32 &= ~READ_IMPLIES_EXEC;
 	else if (!strcmp(str, "off"))
 		force_personality32 |= READ_IMPLIES_EXEC;
-	return 0;
+	return 1;
 }
 __setup("noexec32=", nonx32_setup);
 
@@ -248,7 +248,7 @@ void __cpuinit cpu_init (void)
 		switch (v + 1) {
 #if DEBUG_STKSZ > EXCEPTION_STKSZ
 		case DEBUG_STACK:
-			cpu_pda[cpu].debugstack = (unsigned long)estacks;
+			cpu_pda(cpu)->debugstack = (unsigned long)estacks;
 			estacks += DEBUG_STKSZ;
 			break;
 #endif
@@ -281,12 +281,12 @@ void __cpuinit cpu_init (void)
 	 * Clear all 6 debug registers:
 	 */
 
-	set_debug(0UL, 0);
-	set_debug(0UL, 1);
-	set_debug(0UL, 2);
-	set_debug(0UL, 3);
-	set_debug(0UL, 6);
-	set_debug(0UL, 7);
+	set_debugreg(0UL, 0);
+	set_debugreg(0UL, 1);
+	set_debugreg(0UL, 2);
+	set_debugreg(0UL, 3);
+	set_debugreg(0UL, 6);
+	set_debugreg(0UL, 7);
 
 	fpu_init(); 
 }
diff --git a/arch/x86_64/kernel/signal.c b/arch/x86_64/kernel/signal.c
index 5876df1..e5f5ce79 100644
--- a/arch/x86_64/kernel/signal.c
+++ b/arch/x86_64/kernel/signal.c
@@ -443,9 +443,6 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 	if (!user_mode(regs))
 		return 1;
 
-	if (try_to_freeze())
-		goto no_signal;
-
 	if (!oldset)
 		oldset = &current->blocked;
 
@@ -463,7 +460,6 @@ int do_signal(struct pt_regs *regs, sigset_t *oldset)
 		return handle_signal(signr, &info, &ka, oldset, regs);
 	}
 
- no_signal:
 	/* Did we come from a system call? */
 	if ((long)regs->orig_rax >= 0) {
 		/* Restart the system call - no handlers present */
diff --git a/arch/x86_64/kernel/smp.c b/arch/x86_64/kernel/smp.c
index 19ef012..4a6628b 100644
--- a/arch/x86_64/kernel/smp.c
+++ b/arch/x86_64/kernel/smp.c
@@ -75,7 +75,7 @@ static inline void leave_mm(int cpu)
 {
 	if (read_pda(mmu_state) == TLBSTATE_OK)
 		BUG();
-	clear_bit(cpu, &read_pda(active_mm)->cpu_vm_mask);
+	cpu_clear(cpu, read_pda(active_mm)->cpu_vm_mask);
 	load_cr3(swapper_pg_dir);
 }
 
@@ -85,7 +85,7 @@ static inline void leave_mm(int cpu)
  * [cpu0: the cpu that switches]
  * 1) switch_mm() either 1a) or 1b)
  * 1a) thread switch to a different mm
- * 1a1) clear_bit(cpu, &old_mm->cpu_vm_mask);
+ * 1a1) cpu_clear(cpu, old_mm->cpu_vm_mask);
  * 	Stop ipi delivery for the old mm. This is not synchronized with
  * 	the other cpus, but smp_invalidate_interrupt ignore flush ipis
  * 	for the wrong mm, and in the worst case we perform a superfluous
@@ -95,7 +95,7 @@ static inline void leave_mm(int cpu)
  *	was in lazy tlb mode.
  * 1a3) update cpu active_mm
  * 	Now cpu0 accepts tlb flushes for the new mm.
- * 1a4) set_bit(cpu, &new_mm->cpu_vm_mask);
+ * 1a4) cpu_set(cpu, new_mm->cpu_vm_mask);
  * 	Now the other cpus will send tlb flush ipis.
  * 1a4) change cr3.
  * 1b) thread switch without mm change
diff --git a/arch/x86_64/kernel/smpboot.c b/arch/x86_64/kernel/smpboot.c
index 66e9865..71a7222 100644
--- a/arch/x86_64/kernel/smpboot.c
+++ b/arch/x86_64/kernel/smpboot.c
@@ -68,6 +68,9 @@ u8 phys_proc_id[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = BAD_APICID };
 /* core ID of each logical CPU */
 u8 cpu_core_id[NR_CPUS] __read_mostly = { [0 ... NR_CPUS-1] = BAD_APICID };
 
+/* Last level cache ID of each logical CPU */
+u8 cpu_llc_id[NR_CPUS] __cpuinitdata  = {[0 ... NR_CPUS-1] = BAD_APICID};
+
 /* Bitmask of currently online CPUs */
 cpumask_t cpu_online_map __read_mostly;
 
@@ -350,7 +353,7 @@ static void __cpuinit tsc_sync_wait(void)
 static __init int notscsync_setup(char *s)
 {
 	notscsync = 1;
-	return 0;
+	return 1;
 }
 __setup("notscsync", notscsync_setup);
 
@@ -445,6 +448,18 @@ void __cpuinit smp_callin(void)
 	cpu_set(cpuid, cpu_callin_map);
 }
 
+/* maps the cpu to the sched domain representing multi-core */
+cpumask_t cpu_coregroup_map(int cpu)
+{
+	struct cpuinfo_x86 *c = cpu_data + cpu;
+	/*
+	 * For perf, we return last level cache shared map.
+	 * TBD: when power saving sched policy is added, we will return
+	 *      cpu_core_map when power saving policy is enabled
+	 */
+	return c->llc_shared_map;
+}
+
 /* representing cpus for which sibling maps can be computed */
 static cpumask_t cpu_sibling_setup_map;
 
@@ -463,12 +478,16 @@ static inline void set_cpu_sibling_map(int cpu)
 				cpu_set(cpu, cpu_sibling_map[i]);
 				cpu_set(i, cpu_core_map[cpu]);
 				cpu_set(cpu, cpu_core_map[i]);
+				cpu_set(i, c[cpu].llc_shared_map);
+				cpu_set(cpu, c[i].llc_shared_map);
 			}
 		}
 	} else {
 		cpu_set(cpu, cpu_sibling_map[cpu]);
 	}
 
+	cpu_set(cpu, c[cpu].llc_shared_map);
+
 	if (current_cpu_data.x86_max_cores == 1) {
 		cpu_core_map[cpu] = cpu_sibling_map[cpu];
 		c[cpu].booted_cores = 1;
@@ -476,6 +495,11 @@ static inline void set_cpu_sibling_map(int cpu)
 	}
 
 	for_each_cpu_mask(i, cpu_sibling_setup_map) {
+		if (cpu_llc_id[cpu] != BAD_APICID &&
+		    cpu_llc_id[cpu] == cpu_llc_id[i]) {
+			cpu_set(i, c[cpu].llc_shared_map);
+			cpu_set(cpu, c[i].llc_shared_map);
+		}
 		if (phys_proc_id[cpu] == phys_proc_id[i]) {
 			cpu_set(i, cpu_core_map[cpu]);
 			cpu_set(cpu, cpu_core_map[i]);
diff --git a/arch/x86_64/kernel/time.c b/arch/x86_64/kernel/time.c
index 3080f84..ef8bc46 100644
--- a/arch/x86_64/kernel/time.c
+++ b/arch/x86_64/kernel/time.c
@@ -88,7 +88,8 @@ static inline unsigned int do_gettimeoffset_tsc(void)
 	unsigned long t;
 	unsigned long x;
 	t = get_cycles_sync();
-	if (t < vxtime.last_tsc) t = vxtime.last_tsc; /* hack */
+	if (t < vxtime.last_tsc) 
+		t = vxtime.last_tsc; /* hack */
 	x = ((t - vxtime.last_tsc) * vxtime.tsc_quot) >> 32;
 	return x;
 }
@@ -178,8 +179,9 @@ unsigned long profile_pc(struct pt_regs *regs)
 {
 	unsigned long pc = instruction_pointer(regs);
 
-	/* Assume the lock function has either no stack frame or only a single word.
-	   This checks if the address on the stack looks like a kernel text address.
+	/* Assume the lock function has either no stack frame or only a single 
+	   word.  This checks if the address on the stack looks like a kernel 
+	   text address.
 	   There is a small window for false hits, but in that case the tick
 	   is just accounted to the spinlock function.
 	   Better would be to write these functions in assembler again
@@ -242,17 +244,10 @@ static void set_rtc_mmss(unsigned long nowtime)
 		real_minutes += 30;		/* correct for half hour time zone */
 	real_minutes %= 60;
 
-#if 0
-	/* AMD 8111 is a really bad time keeper and hits this regularly. 
-	   It probably was an attempt to avoid screwing up DST, but ignore
-	   that for now. */	   
 	if (abs(real_minutes - cmos_minutes) >= 30) {
 		printk(KERN_WARNING "time.c: can't update CMOS clock "
 		       "from %d to %d\n", cmos_minutes, real_minutes);
-	} else
-#endif
-
-	{
+	} else {
 		BIN_TO_BCD(real_seconds);
 		BIN_TO_BCD(real_minutes);
 		CMOS_WRITE(real_seconds, RTC_SECONDS);
@@ -293,8 +288,7 @@ unsigned long long monotonic_clock(void)
 			this_offset = hpet_readl(HPET_COUNTER);
 		} while (read_seqretry(&xtime_lock, seq));
 		offset = (this_offset - last_offset);
-		offset *=(NSEC_PER_SEC/HZ)/hpet_tick;
-		return base + offset;
+		offset *= (NSEC_PER_SEC/HZ) / hpet_tick;
 	} else {
 		do {
 			seq = read_seqbegin(&xtime_lock);
@@ -303,50 +297,46 @@ unsigned long long monotonic_clock(void)
 			base = monotonic_base;
 		} while (read_seqretry(&xtime_lock, seq));
 		this_offset = get_cycles_sync();
-		offset = (this_offset - last_offset)*1000/cpu_khz; 
-		return base + offset;
+		offset = (this_offset - last_offset)*1000 / cpu_khz; 
 	}
+	return base + offset;
 }
 EXPORT_SYMBOL(monotonic_clock);
 
 static noinline void handle_lost_ticks(int lost, struct pt_regs *regs)
 {
-    static long lost_count;
-    static int warned;
-
-    if (report_lost_ticks) {
-	    printk(KERN_WARNING "time.c: Lost %d timer "
-		   "tick(s)! ", lost);
-	    print_symbol("rip %s)\n", regs->rip);
-    }
-
-    if (lost_count == 1000 && !warned) {
-	    printk(KERN_WARNING
-		   "warning: many lost ticks.\n"
-		   KERN_WARNING "Your time source seems to be instable or "
+	static long lost_count;
+	static int warned;
+	if (report_lost_ticks) {
+		printk(KERN_WARNING "time.c: Lost %d timer tick(s)! ", lost);
+		print_symbol("rip %s)\n", regs->rip);
+	}
+
+	if (lost_count == 1000 && !warned) {
+		printk(KERN_WARNING "warning: many lost ticks.\n"
+		       KERN_WARNING "Your time source seems to be instable or "
 		   		"some driver is hogging interupts\n");
-	    print_symbol("rip %s\n", regs->rip);
-	    if (vxtime.mode == VXTIME_TSC && vxtime.hpet_address) {
-		    printk(KERN_WARNING "Falling back to HPET\n");
-		    if (hpet_use_timer)
-		    	vxtime.last = hpet_readl(HPET_T0_CMP) - hpet_tick;
-		    else
-		    	vxtime.last = hpet_readl(HPET_COUNTER);
-		    vxtime.mode = VXTIME_HPET;
-		    do_gettimeoffset = do_gettimeoffset_hpet;
-	    }
-	    /* else should fall back to PIT, but code missing. */
-	    warned = 1;
-    } else
-	    lost_count++;
+		print_symbol("rip %s\n", regs->rip);
+		if (vxtime.mode == VXTIME_TSC && vxtime.hpet_address) {
+			printk(KERN_WARNING "Falling back to HPET\n");
+			if (hpet_use_timer)
+				vxtime.last = hpet_readl(HPET_T0_CMP) - 
+							hpet_tick;
+			else
+				vxtime.last = hpet_readl(HPET_COUNTER);
+			vxtime.mode = VXTIME_HPET;
+			do_gettimeoffset = do_gettimeoffset_hpet;
+		}
+		/* else should fall back to PIT, but code missing. */
+		warned = 1;
+	} else
+		lost_count++;
 
 #ifdef CONFIG_CPU_FREQ
-    /* In some cases the CPU can change frequency without us noticing
-       (like going into thermal throttle)
-       Give cpufreq a change to catch up. */
-    if ((lost_count+1) % 25 == 0) {
-	    cpufreq_delayed_get();
-    }
+	/* In some cases the CPU can change frequency without us noticing
+	   Give cpufreq a change to catch up. */
+	if ((lost_count+1) % 25 == 0)
+		cpufreq_delayed_get();
 #endif
 }
 
@@ -354,7 +344,7 @@ void main_timer_handler(struct pt_regs *regs)
 {
 	static unsigned long rtc_update = 0;
 	unsigned long tsc;
-	int delay, offset = 0, lost = 0;
+	int delay = 0, offset = 0, lost = 0;
 
 /*
  * Here we are in the timer irq handler. We have irqs locally disabled (so we
@@ -375,7 +365,7 @@ void main_timer_handler(struct pt_regs *regs)
 		 */
 		offset = hpet_readl(HPET_T0_CMP) - hpet_tick;
 		delay = hpet_readl(HPET_COUNTER) - offset;
-	} else {
+	} else if (!pmtmr_ioport) {
 		spin_lock(&i8253_lock);
 		outb_p(0x00, 0x43);
 		delay = inb_p(0x40);
@@ -477,7 +467,7 @@ static irqreturn_t timer_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 	return IRQ_HANDLED;
 }
 
-static unsigned int cyc2ns_scale;
+static unsigned int cyc2ns_scale __read_mostly;
 #define CYC2NS_SCALE_FACTOR 10 /* 2^10, carefully chosen */
 
 static inline void set_cyc2ns_scale(unsigned long cpu_khz)
@@ -514,43 +504,32 @@ unsigned long long sched_clock(void)
 
 static unsigned long get_cmos_time(void)
 {
-	unsigned int timeout = 1000000, year, mon, day, hour, min, sec;
-	unsigned char uip = 0, this = 0;
+	unsigned int year, mon, day, hour, min, sec;
 	unsigned long flags;
-
-/*
- * The Linux interpretation of the CMOS clock register contents: When the
- * Update-In-Progress (UIP) flag goes from 1 to 0, the RTC registers show the
- * second which has precisely just started. Waiting for this can take up to 1
- * second, we timeout approximately after 2.4 seconds on a machine with
- * standard 8.3 MHz ISA bus.
- */
+	unsigned extyear = 0;
 
 	spin_lock_irqsave(&rtc_lock, flags);
 
-	while (timeout && (!uip || this)) {
-		uip |= this;
-		this = CMOS_READ(RTC_FREQ_SELECT) & RTC_UIP;
-		timeout--;
-	}
-
-	/*
-	 * Here we are safe to assume the registers won't change for a whole
-	 * second, so we just go ahead and read them.
- 	 */
-	sec = CMOS_READ(RTC_SECONDS);
-	min = CMOS_READ(RTC_MINUTES);
-	hour = CMOS_READ(RTC_HOURS);
-	day = CMOS_READ(RTC_DAY_OF_MONTH);
-	mon = CMOS_READ(RTC_MONTH);
-	year = CMOS_READ(RTC_YEAR);
+	do {
+		sec = CMOS_READ(RTC_SECONDS);
+		min = CMOS_READ(RTC_MINUTES);
+		hour = CMOS_READ(RTC_HOURS);
+		day = CMOS_READ(RTC_DAY_OF_MONTH);
+		mon = CMOS_READ(RTC_MONTH);
+		year = CMOS_READ(RTC_YEAR);
+#ifdef CONFIG_ACPI
+		if (acpi_fadt.revision >= FADT2_REVISION_ID &&
+					acpi_fadt.century)
+			extyear = CMOS_READ(acpi_fadt.century);
+#endif
+	} while (sec != CMOS_READ(RTC_SECONDS));
 
 	spin_unlock_irqrestore(&rtc_lock, flags);
 
 	/*
 	 * We know that x86-64 always uses BCD format, no need to check the
 	 * config register.
- 	*/
+ 	 */
 
 	BCD_TO_BIN(sec);
 	BCD_TO_BIN(min);
@@ -559,11 +538,17 @@ static unsigned long get_cmos_time(void)
 	BCD_TO_BIN(mon);
 	BCD_TO_BIN(year);
 
-	/*
-	 * x86-64 systems only exists since 2002.
-	 * This will work up to Dec 31, 2100
-	 */
-	year += 2000;
+	if (extyear) {
+		BCD_TO_BIN(extyear);
+		year += extyear;
+		printk(KERN_INFO "Extended CMOS year: %d\n", extyear);
+	} else { 
+		/*
+		 * x86-64 systems only exists since 2002.
+		 * This will work up to Dec 31, 2100
+	 	 */
+		year += 2000;
+	}
 
 	return mktime(year, mon, day, hour, min, sec);
 }
@@ -606,7 +591,8 @@ static void cpufreq_delayed_get(void)
 		cpufreq_delayed_issched = 1;
 		if (!warned) {
 			warned = 1;
-			printk(KERN_DEBUG "Losing some ticks... checking if CPU frequency changed.\n");
+			printk(KERN_DEBUG 
+	"Losing some ticks... checking if CPU frequency changed.\n");
 		}
 		schedule_work(&cpufreq_delayed_get_work);
 	}
@@ -629,9 +615,9 @@ static int time_cpufreq_notifier(struct notifier_block *nb, unsigned long val,
 	lpj = &dummy;
 	if (!(freq->flags & CPUFREQ_CONST_LOOPS))
 #ifdef CONFIG_SMP
-	lpj = &cpu_data[freq->cpu].loops_per_jiffy;
+		lpj = &cpu_data[freq->cpu].loops_per_jiffy;
 #else
-	lpj = &boot_cpu_data.loops_per_jiffy;
+		lpj = &boot_cpu_data.loops_per_jiffy;
 #endif
 
 	if (!ref_freq) {
@@ -768,9 +754,8 @@ static __init int late_hpet_init(void)
 		int			i;
 
 		hpet = (struct hpet *) fix_to_virt(FIX_HPET_BASE);
-
-		for (i = 2, timer = &hpet->hpet_timers[2]; i < ntimer;
-		     timer++, i++)
+		timer = &hpet->hpet_timers[2];
+		for (i = 2; i < ntimer; timer++, i++)
 			hd.hd_irq[i] = (timer->hpet_config &
 					Tn_INT_ROUTE_CNF_MASK) >>
 				Tn_INT_ROUTE_CNF_SHIFT;
@@ -927,8 +912,7 @@ void __init time_init(void)
 	                        -xtime.tv_sec, -xtime.tv_nsec);
 
 	if (!hpet_init())
-                vxtime_hz = (1000000000000000L + hpet_period / 2) /
-			hpet_period;
+                vxtime_hz = (1000000000000000L + hpet_period / 2) / hpet_period;
 	else
 		vxtime.hpet_address = 0;
 
@@ -1322,7 +1306,7 @@ irqreturn_t hpet_rtc_interrupt(int irq, void *dev_id, struct pt_regs *regs)
 static int __init nohpet_setup(char *s) 
 { 
 	nohpet = 1;
-	return 0;
+	return 1;
 } 
 
 __setup("nohpet", nohpet_setup);
@@ -1330,7 +1314,7 @@ __setup("nohpet", nohpet_setup);
 int __init notsc_setup(char *s)
 {
 	notsc = 1;
-	return 0;
+	return 1;
 }
 
 __setup("notsc", notsc_setup);
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 28d50dc..6bda322 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -47,8 +47,6 @@
 #include <asm/proto.h>
 #include <asm/nmi.h>
 
-extern struct gate_struct idt_table[256]; 
-
 asmlinkage void divide_error(void);
 asmlinkage void debug(void);
 asmlinkage void nmi(void);
@@ -71,18 +69,20 @@ asmlinkage void alignment_check(void);
 asmlinkage void machine_check(void);
 asmlinkage void spurious_interrupt_bug(void);
 
-struct notifier_block *die_chain;
-static DEFINE_SPINLOCK(die_notifier_lock);
+ATOMIC_NOTIFIER_HEAD(die_chain);
 
 int register_die_notifier(struct notifier_block *nb)
 {
-	int err = 0;
-	unsigned long flags;
-	spin_lock_irqsave(&die_notifier_lock, flags);
-	err = notifier_chain_register(&die_chain, nb);
-	spin_unlock_irqrestore(&die_notifier_lock, flags);
-	return err;
+	vmalloc_sync_all();
+	return atomic_notifier_chain_register(&die_chain, nb);
 }
+EXPORT_SYMBOL(register_die_notifier);
+
+int unregister_die_notifier(struct notifier_block *nb)
+{
+	return atomic_notifier_chain_unregister(&die_chain, nb);
+}
+EXPORT_SYMBOL(unregister_die_notifier);
 
 static inline void conditional_sti(struct pt_regs *regs)
 {
@@ -122,7 +122,7 @@ int printk_address(unsigned long address)
 	if (!modname) 
 		modname = delim = ""; 		
         return printk("<%016lx>{%s%s%s%s%+ld}",
-		      address,delim,modname,delim,symname,offset); 
+		      address, delim, modname, delim, symname, offset); 
 } 
 #else
 int printk_address(unsigned long address)
@@ -334,13 +334,12 @@ void show_registers(struct pt_regs *regs)
 		show_stack(NULL, (unsigned long*)rsp);
 
 		printk("\nCode: ");
-		if(regs->rip < PAGE_OFFSET)
+		if (regs->rip < PAGE_OFFSET)
 			goto bad;
 
-		for(i=0;i<20;i++)
-		{
+		for (i=0; i<20; i++) {
 			unsigned char c;
-			if(__get_user(c, &((unsigned char*)regs->rip)[i])) {
+			if (__get_user(c, &((unsigned char*)regs->rip)[i])) {
 bad:
 				printk(" Bad RIP value.");
 				break;
@@ -479,7 +478,7 @@ static void __kprobes do_trap(int trapnr, int signr, char *str,
 			printk(KERN_INFO
 			       "%s[%d] trap %s rip:%lx rsp:%lx error:%lx\n",
 			       tsk->comm, tsk->pid, str,
-			       regs->rip,regs->rsp,error_code); 
+			       regs->rip, regs->rsp, error_code); 
 
 		if (info)
 			force_sig_info(signr, info, tsk);
@@ -493,9 +492,9 @@ static void __kprobes do_trap(int trapnr, int signr, char *str,
 	{	     
 		const struct exception_table_entry *fixup;
 		fixup = search_exception_tables(regs->rip);
-		if (fixup) {
+		if (fixup)
 			regs->rip = fixup->fixup;
-		} else	
+		else	
 			die(str, regs, error_code);
 		return;
 	}
@@ -568,7 +567,7 @@ asmlinkage void __kprobes do_general_protection(struct pt_regs * regs,
 			printk(KERN_INFO
 		       "%s[%d] general protection rip:%lx rsp:%lx error:%lx\n",
 			       tsk->comm, tsk->pid,
-			       regs->rip,regs->rsp,error_code); 
+			       regs->rip, regs->rsp, error_code); 
 
 		force_sig(SIGSEGV, tsk);
 		return;
@@ -974,14 +973,14 @@ void __init trap_init(void)
 static int __init oops_dummy(char *s)
 { 
 	panic_on_oops = 1;
-	return -1; 
+	return 1;
 } 
 __setup("oops=", oops_dummy); 
 
 static int __init kstack_setup(char *s)
 {
 	kstack_depth_to_print = simple_strtoul(s,NULL,0);
-	return 0;
+	return 1;
 }
 __setup("kstack=", kstack_setup);
 
diff --git a/arch/x86_64/kernel/vmlinux.lds.S b/arch/x86_64/kernel/vmlinux.lds.S
index 74db006..39ff070 100644
--- a/arch/x86_64/kernel/vmlinux.lds.S
+++ b/arch/x86_64/kernel/vmlinux.lds.S
@@ -20,6 +20,12 @@ SECTIONS
   phys_startup_64 = startup_64 - LOAD_OFFSET;
   _text = .;			/* Text and read-only data */
   .text :  AT(ADDR(.text) - LOAD_OFFSET) {
+	/* First the code that has to be first for bootstrapping */
+	*(.bootstrap.text)
+	/* Then all the functions that are "hot" in profiles, to group them
+           onto the same hugetlb entry */
+	#include "functionlist"
+	/* Then the rest */
 	*(.text)
 	SCHED_TEXT
 	LOCK_TEXT
diff --git a/arch/x86_64/kernel/x8664_ksyms.c b/arch/x86_64/kernel/x8664_ksyms.c
index 3496abc..d78f460 100644
--- a/arch/x86_64/kernel/x8664_ksyms.c
+++ b/arch/x86_64/kernel/x8664_ksyms.c
@@ -102,8 +102,6 @@ EXPORT_SYMBOL(cpu_callout_map);
 EXPORT_SYMBOL(screen_info);
 #endif
 
-EXPORT_SYMBOL(get_wchan);
-
 EXPORT_SYMBOL(rtc_lock);
 
 EXPORT_SYMBOL_GPL(set_nmi_callback);
@@ -124,6 +122,7 @@ extern void * __memcpy(void *,const void *,__kernel_size_t);
 
 EXPORT_SYMBOL(memset);
 EXPORT_SYMBOL(strlen);
+EXPORT_SYMBOL(strpbrk);
 EXPORT_SYMBOL(memmove);
 EXPORT_SYMBOL(memcpy);
 EXPORT_SYMBOL(__memcpy);
@@ -143,16 +142,12 @@ EXPORT_SYMBOL(rwsem_down_write_failed_thunk);
 EXPORT_SYMBOL(empty_zero_page);
 
 EXPORT_SYMBOL(die_chain);
-EXPORT_SYMBOL(register_die_notifier);
 
 #ifdef CONFIG_SMP
 EXPORT_SYMBOL(cpu_sibling_map);
 EXPORT_SYMBOL(smp_num_siblings);
 #endif
 
-extern void do_softirq_thunk(void);
-EXPORT_SYMBOL(do_softirq_thunk);
-
 #ifdef CONFIG_BUG
 EXPORT_SYMBOL(out_of_line_bug);
 #endif
diff --git a/arch/x86_64/lib/thunk.S b/arch/x86_64/lib/thunk.S
index acc1e2ca..e49af00 100644
--- a/arch/x86_64/lib/thunk.S
+++ b/arch/x86_64/lib/thunk.S
@@ -42,7 +42,6 @@
 	thunk rwsem_wake_thunk,rwsem_wake
 	thunk rwsem_downgrade_thunk,rwsem_downgrade_wake
 #endif	
-	thunk do_softirq_thunk,do_softirq
 	
 	thunk __down_failed,__down
 	thunk_retrax __down_failed_interruptible,__down_interruptible
diff --git a/arch/x86_64/mm/fault.c b/arch/x86_64/mm/fault.c
index 2e7c3c8..55250593 100644
--- a/arch/x86_64/mm/fault.c
+++ b/arch/x86_64/mm/fault.c
@@ -264,6 +264,8 @@ static int vmalloc_fault(unsigned long address)
 		return -1;
 	if (pgd_none(*pgd))
 		set_pgd(pgd, *pgd_ref);
+	else
+		BUG_ON(pgd_page(*pgd) != pgd_page(*pgd_ref));
 
 	/* Below here mismatches are bugs because these lower tables
 	   are shared */
@@ -312,21 +314,13 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 	unsigned long flags;
 	siginfo_t info;
 
+	tsk = current;
+	mm = tsk->mm;
+	prefetchw(&mm->mmap_sem);
+
 	/* get the address */
 	__asm__("movq %%cr2,%0":"=r" (address));
-	if (notify_die(DIE_PAGE_FAULT, "page fault", regs, error_code, 14,
-					SIGSEGV) == NOTIFY_STOP)
-		return;
-
-	if (likely(regs->eflags & X86_EFLAGS_IF))
-		local_irq_enable();
 
-	if (unlikely(page_fault_trace))
-		printk("pagefault rip:%lx rsp:%lx cs:%lu ss:%lu address %lx error %lx\n",
-		       regs->rip,regs->rsp,regs->cs,regs->ss,address,error_code); 
-
-	tsk = current;
-	mm = tsk->mm;
 	info.si_code = SEGV_MAPERR;
 
 
@@ -351,10 +345,12 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 		 */
 		if (!(error_code & (PF_RSVD|PF_USER|PF_PROT)) &&
 		      ((address >= VMALLOC_START && address < VMALLOC_END))) {
-			if (vmalloc_fault(address) < 0)
-				goto bad_area_nosemaphore;
-			return;
+			if (vmalloc_fault(address) >= 0)
+				return;
 		}
+		if (notify_die(DIE_PAGE_FAULT, "page fault", regs, error_code, 14,
+						SIGSEGV) == NOTIFY_STOP)
+			return;
 		/*
 		 * Don't take the mm semaphore here. If we fixup a prefetch
 		 * fault we could otherwise deadlock.
@@ -362,6 +358,17 @@ asmlinkage void __kprobes do_page_fault(struct pt_regs *regs,
 		goto bad_area_nosemaphore;
 	}
 
+	if (notify_die(DIE_PAGE_FAULT, "page fault", regs, error_code, 14,
+					SIGSEGV) == NOTIFY_STOP)
+		return;
+
+	if (likely(regs->eflags & X86_EFLAGS_IF))
+		local_irq_enable();
+
+	if (unlikely(page_fault_trace))
+		printk("pagefault rip:%lx rsp:%lx cs:%lu ss:%lu address %lx error %lx\n",
+		       regs->rip,regs->rsp,regs->cs,regs->ss,address,error_code); 
+
 	if (unlikely(error_code & PF_RSVD))
 		pgtable_bad(address, regs, error_code);
 
@@ -571,9 +578,51 @@ do_sigbus:
 	return;
 }
 
+DEFINE_SPINLOCK(pgd_lock);
+struct page *pgd_list;
+
+void vmalloc_sync_all(void)
+{
+	/* Note that races in the updates of insync and start aren't 
+	   problematic:
+	   insync can only get set bits added, and updates to start are only
+	   improving performance (without affecting correctness if undone). */
+	static DECLARE_BITMAP(insync, PTRS_PER_PGD);
+	static unsigned long start = VMALLOC_START & PGDIR_MASK;
+	unsigned long address;
+
+	for (address = start; address <= VMALLOC_END; address += PGDIR_SIZE) {
+		if (!test_bit(pgd_index(address), insync)) {
+			const pgd_t *pgd_ref = pgd_offset_k(address);
+			struct page *page;
+
+			if (pgd_none(*pgd_ref))
+				continue;
+			spin_lock(&pgd_lock);
+			for (page = pgd_list; page;
+			     page = (struct page *)page->index) {
+				pgd_t *pgd;
+				pgd = (pgd_t *)page_address(page) + pgd_index(address);
+				if (pgd_none(*pgd))
+					set_pgd(pgd, *pgd_ref);
+				else
+					BUG_ON(pgd_page(*pgd) != pgd_page(*pgd_ref));
+			}
+			spin_unlock(&pgd_lock);
+			set_bit(pgd_index(address), insync);
+		}
+		if (address == start)
+			start = address + PGDIR_SIZE;
+	}
+	/* Check that there is no need to do the same for the modules area. */
+	BUILD_BUG_ON(!(MODULES_VADDR > __START_KERNEL));
+	BUILD_BUG_ON(!(((MODULES_END - 1) & PGDIR_MASK) == 
+				(__START_KERNEL & PGDIR_MASK)));
+}
+
 static int __init enable_pagefaulttrace(char *str)
 {
 	page_fault_trace = 1;
-	return 0;
+	return 1;
 }
 __setup("pagefaulttrace", enable_pagefaulttrace);
diff --git a/arch/x86_64/mm/init.c b/arch/x86_64/mm/init.c
index 7af1742..e5f7f1c 100644
--- a/arch/x86_64/mm/init.c
+++ b/arch/x86_64/mm/init.c
@@ -72,7 +72,7 @@ void show_mem(void)
 	show_free_areas();
 	printk(KERN_INFO "Free swap:       %6ldkB\n", nr_swap_pages<<(PAGE_SHIFT-10));
 
-	for_each_pgdat(pgdat) {
+	for_each_online_pgdat(pgdat) {
                for (i = 0; i < pgdat->node_spanned_pages; ++i) {
 			page = pfn_to_page(pgdat->node_start_pfn + i);
 			total++;
@@ -94,7 +94,7 @@ void show_mem(void)
 
 int after_bootmem;
 
-static void *spp_getpage(void)
+static __init void *spp_getpage(void)
 { 
 	void *ptr;
 	if (after_bootmem)
@@ -108,7 +108,7 @@ static void *spp_getpage(void)
 	return ptr;
 } 
 
-static void set_pte_phys(unsigned long vaddr,
+static __init void set_pte_phys(unsigned long vaddr,
 			 unsigned long phys, pgprot_t prot)
 {
 	pgd_t *pgd;
@@ -157,7 +157,8 @@ static void set_pte_phys(unsigned long vaddr,
 }
 
 /* NOTE: this is meant to be run only at boot */
-void __set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t prot)
+void __init 
+__set_fixmap (enum fixed_addresses idx, unsigned long phys, pgprot_t prot)
 {
 	unsigned long address = __fix_to_virt(idx);
 
@@ -225,6 +226,33 @@ static __meminit void unmap_low_page(int i)
 	ti->allocated = 0; 
 } 
 
+/* Must run before zap_low_mappings */
+__init void *early_ioremap(unsigned long addr, unsigned long size)
+{
+	unsigned long map = round_down(addr, LARGE_PAGE_SIZE); 
+
+	/* actually usually some more */
+	if (size >= LARGE_PAGE_SIZE) { 
+		printk("SMBIOS area too long %lu\n", size);
+		return NULL;
+	}
+	set_pmd(temp_mappings[0].pmd,  __pmd(map | _KERNPG_TABLE | _PAGE_PSE));
+	map += LARGE_PAGE_SIZE;
+	set_pmd(temp_mappings[1].pmd,  __pmd(map | _KERNPG_TABLE | _PAGE_PSE));
+	__flush_tlb();
+	return temp_mappings[0].address + (addr & (LARGE_PAGE_SIZE-1));
+}
+
+/* To avoid virtual aliases later */
+__init void early_iounmap(void *addr, unsigned long size)
+{
+	if ((void *)round_down((unsigned long)addr, LARGE_PAGE_SIZE) != temp_mappings[0].address)
+		printk("early_iounmap: bad address %p\n", addr);
+	set_pmd(temp_mappings[0].pmd, __pmd(0));
+	set_pmd(temp_mappings[1].pmd, __pmd(0));
+	__flush_tlb();
+}
+
 static void __meminit
 phys_pmd_init(pmd_t *pmd, unsigned long address, unsigned long end)
 {
@@ -344,7 +372,7 @@ void __meminit init_memory_mapping(unsigned long start, unsigned long end)
 		pud_t *pud;
 
 		if (after_bootmem)
-			pud = pud_offset_k(pgd, __PAGE_OFFSET);
+			pud = pud_offset_k(pgd, start & PGDIR_MASK);
 		else
 			pud = alloc_low_page(&map, &pud_phys);
 
@@ -486,7 +514,7 @@ void __init clear_kernel_mapping(unsigned long address, unsigned long size)
 void online_page(struct page *page)
 {
 	ClearPageReserved(page);
-	set_page_count(page, 1);
+	init_page_count(page);
 	__free_page(page);
 	totalram_pages++;
 	num_physpages++;
@@ -592,7 +620,7 @@ void free_initmem(void)
 	addr = (unsigned long)(&__init_begin);
 	for (; addr < (unsigned long)(&__init_end); addr += PAGE_SIZE) {
 		ClearPageReserved(virt_to_page(addr));
-		set_page_count(virt_to_page(addr), 1);
+		init_page_count(virt_to_page(addr));
 		memset((void *)(addr & ~(PAGE_SIZE-1)), 0xcc, PAGE_SIZE); 
 		free_page(addr);
 		totalram_pages++;
@@ -632,7 +660,7 @@ void free_initrd_mem(unsigned long start, unsigned long end)
 	printk ("Freeing initrd memory: %ldk freed\n", (end - start) >> 10);
 	for (; start < end; start += PAGE_SIZE) {
 		ClearPageReserved(virt_to_page(start));
-		set_page_count(virt_to_page(start), 1);
+		init_page_count(virt_to_page(start));
 		free_page(start);
 		totalram_pages++;
 	}
diff --git a/arch/x86_64/mm/k8topology.c b/arch/x86_64/mm/k8topology.c
index dd60e71..7c45c2d 100644
--- a/arch/x86_64/mm/k8topology.c
+++ b/arch/x86_64/mm/k8topology.c
@@ -43,7 +43,7 @@ static __init int find_northbridge(void)
 int __init k8_scan_nodes(unsigned long start, unsigned long end)
 { 
 	unsigned long prevbase;
-	struct node nodes[8];
+	struct bootnode nodes[8];
 	int nodeid, i, nb; 
 	unsigned char nodeids[8];
 	int found = 0;
diff --git a/arch/x86_64/mm/numa.c b/arch/x86_64/mm/numa.c
index 22e51be..4be82d6 100644
--- a/arch/x86_64/mm/numa.c
+++ b/arch/x86_64/mm/numa.c
@@ -25,8 +25,7 @@
 struct pglist_data *node_data[MAX_NUMNODES] __read_mostly;
 bootmem_data_t plat_node_bdata[MAX_NUMNODES];
 
-int memnode_shift;
-u8  memnodemap[NODEMAPSIZE];
+struct memnode memnode;
 
 unsigned char cpu_to_node[NR_CPUS] __read_mostly = {
 	[0 ... NR_CPUS-1] = NUMA_NO_NODE
@@ -47,7 +46,7 @@ int numa_off __initdata;
  * -1 if node overlap or lost ram (shift too big)
  */
 static int __init
-populate_memnodemap(const struct node *nodes, int numnodes, int shift)
+populate_memnodemap(const struct bootnode *nodes, int numnodes, int shift)
 {
 	int i; 
 	int res = -1;
@@ -74,7 +73,7 @@ populate_memnodemap(const struct node *nodes, int numnodes, int shift)
 	return res;
 }
 
-int __init compute_hash_shift(struct node *nodes, int numnodes)
+int __init compute_hash_shift(struct bootnode *nodes, int numnodes)
 {
 	int shift = 20;
 
@@ -149,7 +148,7 @@ void __init setup_node_bootmem(int nodeid, unsigned long start, unsigned long en
 /* Initialize final allocator for a zone */
 void __init setup_node_zones(int nodeid)
 { 
-	unsigned long start_pfn, end_pfn; 
+	unsigned long start_pfn, end_pfn, memmapsize, limit;
 	unsigned long zones[MAX_NR_ZONES];
 	unsigned long holes[MAX_NR_ZONES];
 
@@ -159,6 +158,16 @@ void __init setup_node_zones(int nodeid)
 	Dprintk(KERN_INFO "Setting up node %d %lx-%lx\n",
 		nodeid, start_pfn, end_pfn);
 
+	/* Try to allocate mem_map at end to not fill up precious <4GB
+	   memory. */
+	memmapsize = sizeof(struct page) * (end_pfn-start_pfn);
+	limit = end_pfn << PAGE_SHIFT;
+	NODE_DATA(nodeid)->node_mem_map = 
+		__alloc_bootmem_core(NODE_DATA(nodeid)->bdata, 
+				memmapsize, SMP_CACHE_BYTES, 
+				round_down(limit - memmapsize, PAGE_SIZE), 
+				limit);
+
 	size_zones(zones, holes, start_pfn, end_pfn);
 	free_area_init_node(nodeid, NODE_DATA(nodeid), zones,
 			    start_pfn, holes);
@@ -191,7 +200,7 @@ int numa_fake __initdata = 0;
 static int numa_emulation(unsigned long start_pfn, unsigned long end_pfn)
 {
  	int i;
- 	struct node nodes[MAX_NUMNODES];
+ 	struct bootnode nodes[MAX_NUMNODES];
  	unsigned long sz = ((end_pfn - start_pfn)<<PAGE_SHIFT) / numa_fake;
 
  	/* Kludge needed for the hash function */
@@ -357,8 +366,7 @@ void __init init_cpu_to_node(void)
 
 EXPORT_SYMBOL(cpu_to_node);
 EXPORT_SYMBOL(node_to_cpumask);
-EXPORT_SYMBOL(memnode_shift);
-EXPORT_SYMBOL(memnodemap);
+EXPORT_SYMBOL(memnode);
 EXPORT_SYMBOL(node_data);
 
 #ifdef CONFIG_DISCONTIGMEM
@@ -369,21 +377,6 @@ EXPORT_SYMBOL(node_data);
  * Should do that.
  */
 
-/* Requires pfn_valid(pfn) to be true */
-struct page *pfn_to_page(unsigned long pfn)
-{
-	int nid = phys_to_nid(((unsigned long)(pfn)) << PAGE_SHIFT);
-	return (pfn - node_start_pfn(nid)) + NODE_DATA(nid)->node_mem_map;
-}
-EXPORT_SYMBOL(pfn_to_page);
-
-unsigned long page_to_pfn(struct page *page)
-{
-	return (long)(((page) - page_zone(page)->zone_mem_map) +
-		      page_zone(page)->zone_start_pfn);
-}
-EXPORT_SYMBOL(page_to_pfn);
-
 int pfn_valid(unsigned long pfn)
 {
 	unsigned nid;
diff --git a/arch/x86_64/mm/pageattr.c b/arch/x86_64/mm/pageattr.c
index 35f1f1a..531ad21 100644
--- a/arch/x86_64/mm/pageattr.c
+++ b/arch/x86_64/mm/pageattr.c
@@ -45,6 +45,13 @@ static struct page *split_large_page(unsigned long address, pgprot_t prot,
 	pte_t *pbase;
 	if (!base) 
 		return NULL;
+	/*
+	 * page_private is used to track the number of entries in
+	 * the page table page have non standard attributes.
+	 */
+	SetPagePrivate(base);
+	page_private(base) = 0;
+
 	address = __pa(address);
 	addr = address & LARGE_PAGE_MASK; 
 	pbase = (pte_t *)page_address(base);
@@ -77,26 +84,12 @@ static inline void flush_map(unsigned long address)
 	on_each_cpu(flush_kernel_map, (void *)address, 1, 1);
 }
 
-struct deferred_page { 
-	struct deferred_page *next; 
-	struct page *fpage;
-	unsigned long address;
-}; 
-static struct deferred_page *df_list; /* protected by init_mm.mmap_sem */
+static struct page *deferred_pages; /* protected by init_mm.mmap_sem */
 
-static inline void save_page(unsigned long address, struct page *fpage)
+static inline void save_page(struct page *fpage)
 {
-	struct deferred_page *df;
-	df = kmalloc(sizeof(struct deferred_page), GFP_KERNEL); 
-	if (!df) {
-		flush_map(address);
-		__free_page(fpage);
-	} else { 
-		df->next = df_list;
-		df->fpage = fpage;
-		df->address = address;
-		df_list = df;
-	} 			
+	fpage->lru.next = (struct list_head *)deferred_pages;
+	deferred_pages = fpage;
 }
 
 /* 
@@ -138,8 +131,8 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot,
 			set_pte(kpte, pfn_pte(pfn, prot));
 		} else {
  			/*
- 			 * split_large_page will take the reference for this change_page_attr
- 			 * on the split page.
+			 * split_large_page will take the reference for this
+			 * change_page_attr on the split page.
  			 */
 
 			struct page *split;
@@ -151,23 +144,20 @@ __change_page_attr(unsigned long address, unsigned long pfn, pgprot_t prot,
 			set_pte(kpte,mk_pte(split, ref_prot2));
 			kpte_page = split;
 		}	
-		get_page(kpte_page);
+		page_private(kpte_page)++;
 	} else if ((kpte_flags & _PAGE_PSE) == 0) { 
 		set_pte(kpte, pfn_pte(pfn, ref_prot));
-		__put_page(kpte_page);
+		BUG_ON(page_private(kpte_page) == 0);
+		page_private(kpte_page)--;
 	} else
 		BUG();
 
 	/* on x86-64 the direct mapping set at boot is not using 4k pages */
  	BUG_ON(PageReserved(kpte_page));
 
-	switch (page_count(kpte_page)) {
- 	case 1:
-		save_page(address, kpte_page); 		     
+	if (page_private(kpte_page) == 0) {
+		save_page(kpte_page);
 		revert_page(address, ref_prot);
-		break;
- 	case 0:
- 		BUG(); /* memleak and failed 2M page regeneration */
  	}
 	return 0;
 } 
@@ -220,17 +210,18 @@ int change_page_attr(struct page *page, int numpages, pgprot_t prot)
 
 void global_flush_tlb(void)
 { 
-	struct deferred_page *df, *next_df;
+	struct page *dpage;
 
 	down_read(&init_mm.mmap_sem);
-	df = xchg(&df_list, NULL);
+	dpage = xchg(&deferred_pages, NULL);
 	up_read(&init_mm.mmap_sem);
-	flush_map((df && !df->next) ? df->address : 0);
-	for (; df; df = next_df) { 
-		next_df = df->next;
-		if (df->fpage) 
-			__free_page(df->fpage);
-		kfree(df);
+
+	flush_map((dpage && !dpage->lru.next) ? (unsigned long)page_address(dpage) : 0);
+	while (dpage) {
+		struct page *tmp = dpage;
+		dpage = (struct page *)dpage->lru.next;
+		ClearPagePrivate(tmp);
+		__free_page(tmp);
 	} 
 } 
 
diff --git a/arch/x86_64/mm/srat.c b/arch/x86_64/mm/srat.c
index 482c257..2eb8795 100644
--- a/arch/x86_64/mm/srat.c
+++ b/arch/x86_64/mm/srat.c
@@ -23,7 +23,7 @@ static struct acpi_table_slit *acpi_slit;
 
 static nodemask_t nodes_parsed __initdata;
 static nodemask_t nodes_found __initdata;
-static struct node nodes[MAX_NUMNODES] __initdata;
+static struct bootnode nodes[MAX_NUMNODES] __initdata;
 static u8 pxm2node[256] = { [0 ... 255] = 0xff };
 
 /* Too small nodes confuse the VM badly. Usually they result
@@ -57,7 +57,7 @@ static __init int conflicting_nodes(unsigned long start, unsigned long end)
 {
 	int i;
 	for_each_node_mask(i, nodes_parsed) {
-		struct node *nd = &nodes[i];
+		struct bootnode *nd = &nodes[i];
 		if (nd->start == nd->end)
 			continue;
 		if (nd->end > start && nd->start < end)
@@ -70,7 +70,7 @@ static __init int conflicting_nodes(unsigned long start, unsigned long end)
 
 static __init void cutoff_node(int i, unsigned long start, unsigned long end)
 {
-	struct node *nd = &nodes[i];
+	struct bootnode *nd = &nodes[i];
 	if (nd->start < start) {
 		nd->start = start;
 		if (nd->end < nd->start)
@@ -159,7 +159,7 @@ acpi_numa_processor_affinity_init(struct acpi_table_processor_affinity *pa)
 void __init
 acpi_numa_memory_affinity_init(struct acpi_table_memory_affinity *ma)
 {
-	struct node *nd;
+	struct bootnode *nd;
 	unsigned long start, end;
 	int node, pxm;
 	int i;
diff --git a/arch/x86_64/pci/Makefile b/arch/x86_64/pci/Makefile
index a8f75a2..a3f6ad5 100644
--- a/arch/x86_64/pci/Makefile
+++ b/arch/x86_64/pci/Makefile
@@ -7,7 +7,7 @@ CFLAGS += -Iarch/i386/pci
 
 obj-y		:= i386.o
 obj-$(CONFIG_PCI_DIRECT)+= direct.o
-obj-y		+= fixup.o
+obj-y		+= fixup.o init.o
 obj-$(CONFIG_ACPI)	+= acpi.o
 obj-y			+= legacy.o irq.o common.o
 # mmconfig has a 64bit special
@@ -22,3 +22,4 @@ irq-y    += ../../i386/pci/irq.o
 common-y += ../../i386/pci/common.o
 fixup-y  += ../../i386/pci/fixup.o
 i386-y  += ../../i386/pci/i386.o
+init-y += ../../i386/pci/init.o
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index 18f371f..e6165002 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -55,7 +55,7 @@ static char __iomem *get_virt(unsigned int seg, unsigned bus)
 static char __iomem *pci_dev_base(unsigned int seg, unsigned int bus, unsigned int devfn)
 {
 	char __iomem *addr;
-	if (seg == 0 && bus == 0 && test_bit(PCI_SLOT(devfn), &fallback_slots))
+	if (seg == 0 && bus == 0 && test_bit(PCI_SLOT(devfn), fallback_slots))
 		return NULL;
 	addr = get_virt(seg, bus);
 	if (!addr)
@@ -143,29 +143,29 @@ static __init void unreachable_devices(void)
 			continue;
 		addr = pci_dev_base(0, 0, PCI_DEVFN(i, 0));
 		if (addr == NULL|| readl(addr) != val1) {
-			set_bit(i, &fallback_slots);
+			set_bit(i, fallback_slots);
 		}
 	}
 }
 
-static int __init pci_mmcfg_init(void)
+void __init pci_mmcfg_init(void)
 {
 	int i;
 
 	if ((pci_probe & PCI_PROBE_MMCONF) == 0)
-		return 0;
+		return;
 
 	acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
 	if ((pci_mmcfg_config_num == 0) ||
 	    (pci_mmcfg_config == NULL) ||
 	    (pci_mmcfg_config[0].base_address == 0))
-		return 0;
+		return;
 
 	/* RED-PEN i386 doesn't do _nocache right now */
 	pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) * pci_mmcfg_config_num, GFP_KERNEL);
 	if (pci_mmcfg_virt == NULL) {
 		printk("PCI: Can not allocate memory for mmconfig structures\n");
-		return 0;
+		return;
 	}
 	for (i = 0; i < pci_mmcfg_config_num; ++i) {
 		pci_mmcfg_virt[i].cfg = &pci_mmcfg_config[i];
@@ -173,7 +173,7 @@ static int __init pci_mmcfg_init(void)
 		if (!pci_mmcfg_virt[i].virt) {
 			printk("PCI: Cannot map mmconfig aperture for segment %d\n",
 			       pci_mmcfg_config[i].pci_segment_group_number);
-			return 0;
+			return;
 		}
 		printk(KERN_INFO "PCI: Using MMCONFIG at %x\n", pci_mmcfg_config[i].base_address);
 	}
@@ -182,8 +182,4 @@ static int __init pci_mmcfg_init(void)
 
 	raw_pci_ops = &pci_mmcfg;
 	pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
-
-	return 0;
 }
-
-arch_initcall(pci_mmcfg_init);