Merge with /shiny/git/linux-2.6/.git

50 files changed, 583 insertions, 428 deletions

diff --git a/arch/arm/configs/shark_defconfig b/arch/arm/configs/shark_defconfig
index 1d9bcbbc8df..271823f0d70 100644
--- a/arch/arm/configs/shark_defconfig
+++ b/arch/arm/configs/shark_defconfig
@@ -1,22 +1,21 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.12-rc1-bk2
-# Sun Mar 27 23:59:14 2005
+# Linux kernel version: 2.6.12-git3
+# Sat Jul 16 15:21:47 2005
 #
 CONFIG_ARM=y
 CONFIG_MMU=y
 CONFIG_UID16=y
 CONFIG_RWSEM_GENERIC_SPINLOCK=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
-CONFIG_GENERIC_IOMAP=y
 
 #
 # Code maturity level options
 #
 CONFIG_EXPERIMENTAL=y
-# CONFIG_CLEAN_COMPILE is not set
-CONFIG_BROKEN=y
+CONFIG_CLEAN_COMPILE=y
 CONFIG_BROKEN_ON_SMP=y
+CONFIG_INIT_ENV_ARG_LIMIT=32
 
 #
 # General setup
@@ -33,7 +32,10 @@ CONFIG_KOBJECT_UEVENT=y
 # CONFIG_IKCONFIG is not set
 # CONFIG_EMBEDDED is not set
 CONFIG_KALLSYMS=y
+# CONFIG_KALLSYMS_ALL is not set
 # CONFIG_KALLSYMS_EXTRA_PASS is not set
+CONFIG_PRINTK=y
+CONFIG_BUG=y
 CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
@@ -81,6 +83,7 @@ CONFIG_ARCH_SHARK=y
 # CONFIG_ARCH_VERSATILE is not set
 # CONFIG_ARCH_IMX is not set
 # CONFIG_ARCH_H720X is not set
+# CONFIG_ARCH_AAEC2000 is not set
 
 #
 # Processor Type
@@ -103,10 +106,12 @@ CONFIG_CPU_TLB_V4WB=y
 #
 CONFIG_ISA=y
 CONFIG_ISA_DMA=y
+CONFIG_ISA_DMA_API=y
 CONFIG_PCI=y
 CONFIG_PCI_HOST_VIA82C505=y
 CONFIG_PCI_LEGACY_PROC=y
 # CONFIG_PCI_NAMES is not set
+# CONFIG_PCI_DEBUG is not set
 
 #
 # PCCARD (PCMCIA/CardBus) support
@@ -116,7 +121,9 @@ CONFIG_PCI_LEGACY_PROC=y
 #
 # Kernel Features
 #
+# CONFIG_SMP is not set
 # CONFIG_PREEMPT is not set
+# CONFIG_DISCONTIGMEM is not set
 CONFIG_LEDS=y
 CONFIG_LEDS_TIMER=y
 # CONFIG_LEDS_CPU is not set
@@ -163,6 +170,7 @@ CONFIG_BINFMT_ELF=y
 # CONFIG_STANDALONE is not set
 CONFIG_PREVENT_FIRMWARE_BUILD=y
 # CONFIG_FW_LOADER is not set
+# CONFIG_DEBUG_DRIVER is not set
 
 #
 # Memory Technology Devices (MTD)
@@ -172,8 +180,8 @@ CONFIG_PREVENT_FIRMWARE_BUILD=y
 #
 # Parallel port support
 #
-CONFIG_PARPORT=y
-CONFIG_PARPORT_PC=y
+CONFIG_PARPORT=m
+CONFIG_PARPORT_PC=m
 # CONFIG_PARPORT_SERIAL is not set
 # CONFIG_PARPORT_PC_FIFO is not set
 # CONFIG_PARPORT_PC_SUPERIO is not set
@@ -189,7 +197,6 @@ CONFIG_PARPORT_PC=y
 #
 # Block devices
 #
-# CONFIG_BLK_DEV_FD is not set
 # CONFIG_BLK_DEV_XD is not set
 # CONFIG_PARIDE is not set
 # CONFIG_BLK_CPQ_DA is not set
@@ -229,7 +236,7 @@ CONFIG_BLK_DEV_IDE=y
 # CONFIG_BLK_DEV_IDE_SATA is not set
 CONFIG_BLK_DEV_IDEDISK=y
 # CONFIG_IDEDISK_MULTI_MODE is not set
-CONFIG_BLK_DEV_IDECD=y
+CONFIG_BLK_DEV_IDECD=m
 # CONFIG_BLK_DEV_IDETAPE is not set
 CONFIG_BLK_DEV_IDEFLOPPY=y
 # CONFIG_BLK_DEV_IDESCSI is not set
@@ -261,6 +268,7 @@ CONFIG_CHR_DEV_ST=m
 CONFIG_BLK_DEV_SR=m
 # CONFIG_BLK_DEV_SR_VENDOR is not set
 CONFIG_CHR_DEV_SG=m
+# CONFIG_CHR_DEV_SCH is not set
 
 #
 # Some SCSI devices (e.g. CD jukebox) support multiple LUNs
@@ -290,17 +298,14 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_AIC7XXX_OLD is not set
 # CONFIG_SCSI_AIC79XX is not set
 # CONFIG_SCSI_DPT_I2O is not set
-# CONFIG_SCSI_ADVANSYS is not set
 # CONFIG_SCSI_IN2000 is not set
 # CONFIG_MEGARAID_NEWGEN is not set
 # CONFIG_MEGARAID_LEGACY is not set
 # CONFIG_SCSI_SATA is not set
 # CONFIG_SCSI_BUSLOGIC is not set
-# CONFIG_SCSI_CPQFCTS is not set
 # CONFIG_SCSI_DMX3191D is not set
 # CONFIG_SCSI_DTC3280 is not set
 # CONFIG_SCSI_EATA is not set
-# CONFIG_SCSI_EATA_PIO is not set
 # CONFIG_SCSI_FUTURE_DOMAIN is not set
 # CONFIG_SCSI_GDTH is not set
 # CONFIG_SCSI_GENERIC_NCR5380 is not set
@@ -314,11 +319,8 @@ CONFIG_CHR_DEV_SG=m
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
 # CONFIG_SCSI_PAS16 is not set
-# CONFIG_SCSI_PCI2000 is not set
-# CONFIG_SCSI_PCI2220I is not set
 # CONFIG_SCSI_PSI240I is not set
 # CONFIG_SCSI_QLOGIC_FAS is not set
-# CONFIG_SCSI_QLOGIC_ISP is not set
 # CONFIG_SCSI_QLOGIC_FC is not set
 # CONFIG_SCSI_QLOGIC_1280 is not set
 CONFIG_SCSI_QLA2XXX=m
@@ -327,6 +329,7 @@ CONFIG_SCSI_QLA2XXX=m
 # CONFIG_SCSI_QLA2300 is not set
 # CONFIG_SCSI_QLA2322 is not set
 # CONFIG_SCSI_QLA6312 is not set
+# CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_SYM53C416 is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -344,6 +347,8 @@ CONFIG_SCSI_QLA2XXX=m
 # Fusion MPT device support
 #
 # CONFIG_FUSION is not set
+# CONFIG_FUSION_SPI is not set
+# CONFIG_FUSION_FC is not set
 
 #
 # IEEE 1394 (FireWire) support
@@ -365,7 +370,6 @@ CONFIG_NET=y
 #
 CONFIG_PACKET=y
 # CONFIG_PACKET_MMAP is not set
-# CONFIG_NETLINK_DEV is not set
 CONFIG_UNIX=y
 # CONFIG_NET_KEY is not set
 CONFIG_INET=y
@@ -380,7 +384,7 @@ CONFIG_INET=y
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
 # CONFIG_INET_TUNNEL is not set
-# CONFIG_IP_TCPDIAG is not set
+CONFIG_IP_TCPDIAG=y
 # CONFIG_IP_TCPDIAG_IPV6 is not set
 # CONFIG_IPV6 is not set
 # CONFIG_NETFILTER is not set
@@ -439,6 +443,7 @@ CONFIG_NET_ETHERNET=y
 # CONFIG_LANCE is not set
 # CONFIG_NET_VENDOR_SMC is not set
 # CONFIG_SMC91X is not set
+# CONFIG_DM9000 is not set
 # CONFIG_NET_VENDOR_RACAL is not set
 
 #
@@ -483,9 +488,11 @@ CONFIG_CS89x0=y
 # CONFIG_HAMACHI is not set
 # CONFIG_YELLOWFIN is not set
 # CONFIG_R8169 is not set
+# CONFIG_SKGE is not set
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 # CONFIG_TIGON3 is not set
+# CONFIG_BNX2 is not set
 
 #
 # Ethernet (10000 Mbit)
@@ -569,7 +576,6 @@ CONFIG_SERIO_I8042=y
 CONFIG_SERIO_LIBPS2=y
 # CONFIG_SERIO_RAW is not set
 # CONFIG_GAMEPORT is not set
-CONFIG_SOUND_GAMEPORT=y
 
 #
 # Character devices
@@ -592,6 +598,7 @@ CONFIG_SERIAL_8250_NR_UARTS=4
 #
 CONFIG_SERIAL_CORE=y
 CONFIG_SERIAL_CORE_CONSOLE=y
+# CONFIG_SERIAL_JSM is not set
 CONFIG_UNIX98_PTYS=y
 CONFIG_LEGACY_PTYS=y
 CONFIG_LEGACY_PTY_COUNT=256
@@ -653,6 +660,7 @@ CONFIG_FB_CFB_FILLRECT=y
 CONFIG_FB_CFB_COPYAREA=y
 CONFIG_FB_CFB_IMAGEBLIT=y
 CONFIG_FB_SOFT_CURSOR=y
+# CONFIG_FB_MACMODES is not set
 # CONFIG_FB_MODE_HELPERS is not set
 # CONFIG_FB_TILEBLITTING is not set
 # CONFIG_FB_CIRRUS is not set
@@ -674,7 +682,7 @@ CONFIG_FB_CYBER2000=y
 # CONFIG_FB_3DFX is not set
 # CONFIG_FB_VOODOO1 is not set
 # CONFIG_FB_TRIDENT is not set
-# CONFIG_FB_PM3 is not set
+# CONFIG_FB_S1D13XXX is not set
 # CONFIG_FB_VIRTUAL is not set
 
 #
@@ -808,7 +816,7 @@ CONFIG_DNOTIFY=y
 #
 # CD-ROM/DVD Filesystems
 #
-CONFIG_ISO9660_FS=y
+CONFIG_ISO9660_FS=m
 CONFIG_JOLIET=y
 # CONFIG_ZISOFS is not set
 # CONFIG_UDF_FS is not set
@@ -816,9 +824,9 @@ CONFIG_JOLIET=y
 #
 # DOS/FAT/NT Filesystems
 #
-CONFIG_FAT_FS=y
-CONFIG_MSDOS_FS=y
-CONFIG_VFAT_FS=y
+CONFIG_FAT_FS=m
+CONFIG_MSDOS_FS=m
+CONFIG_VFAT_FS=m
 CONFIG_FAT_DEFAULT_CODEPAGE=437
 CONFIG_FAT_DEFAULT_IOCHARSET="iso8859-1"
 # CONFIG_NTFS_FS is not set
@@ -833,7 +841,6 @@ CONFIG_DEVFS_MOUNT=y
 # CONFIG_DEVFS_DEBUG is not set
 # CONFIG_DEVPTS_FS_XATTR is not set
 # CONFIG_TMPFS is not set
-# CONFIG_HUGETLBFS is not set
 # CONFIG_HUGETLB_PAGE is not set
 CONFIG_RAMFS=y
 
@@ -857,13 +864,14 @@ CONFIG_RAMFS=y
 #
 # Network File Systems
 #
-CONFIG_NFS_FS=y
-# CONFIG_NFS_V3 is not set
+CONFIG_NFS_FS=m
+CONFIG_NFS_V3=y
 # CONFIG_NFS_V4 is not set
 # CONFIG_NFS_DIRECTIO is not set
 # CONFIG_NFSD is not set
-CONFIG_LOCKD=y
-CONFIG_SUNRPC=y
+CONFIG_LOCKD=m
+CONFIG_LOCKD_V4=y
+CONFIG_SUNRPC=m
 # CONFIG_RPCSEC_GSS_KRB5 is not set
 # CONFIG_RPCSEC_GSS_SPKM3 is not set
 # CONFIG_SMB_FS is not set
@@ -895,12 +903,12 @@ CONFIG_MSDOS_PARTITION=y
 #
 # Native Language Support
 #
-CONFIG_NLS=y
+CONFIG_NLS=m
 CONFIG_NLS_DEFAULT="iso8859-1"
-CONFIG_NLS_CODEPAGE_437=y
+CONFIG_NLS_CODEPAGE_437=m
 # CONFIG_NLS_CODEPAGE_737 is not set
 # CONFIG_NLS_CODEPAGE_775 is not set
-CONFIG_NLS_CODEPAGE_850=y
+CONFIG_NLS_CODEPAGE_850=m
 # CONFIG_NLS_CODEPAGE_852 is not set
 # CONFIG_NLS_CODEPAGE_855 is not set
 # CONFIG_NLS_CODEPAGE_857 is not set
@@ -921,7 +929,7 @@ CONFIG_NLS_CODEPAGE_850=y
 # CONFIG_NLS_CODEPAGE_1250 is not set
 # CONFIG_NLS_CODEPAGE_1251 is not set
 # CONFIG_NLS_ASCII is not set
-CONFIG_NLS_ISO8859_1=y
+CONFIG_NLS_ISO8859_1=m
 # CONFIG_NLS_ISO8859_2 is not set
 # CONFIG_NLS_ISO8859_3 is not set
 # CONFIG_NLS_ISO8859_4 is not set
@@ -945,11 +953,22 @@ CONFIG_NLS_ISO8859_1=y
 # Kernel hacking
 #
 # CONFIG_PRINTK_TIME is not set
-# CONFIG_DEBUG_KERNEL is not set
+CONFIG_DEBUG_KERNEL=y
+# CONFIG_MAGIC_SYSRQ is not set
 CONFIG_LOG_BUF_SHIFT=14
+# CONFIG_SCHEDSTATS is not set
+# CONFIG_DEBUG_SLAB is not set
+# CONFIG_DEBUG_SPINLOCK is not set
+# CONFIG_DEBUG_SPINLOCK_SLEEP is not set
+# CONFIG_DEBUG_KOBJECT is not set
 CONFIG_DEBUG_BUGVERBOSE=y
+# CONFIG_DEBUG_INFO is not set
+# CONFIG_DEBUG_FS is not set
 CONFIG_FRAME_POINTER=y
 CONFIG_DEBUG_USER=y
+# CONFIG_DEBUG_WAITQ is not set
+# CONFIG_DEBUG_ERRORS is not set
+# CONFIG_DEBUG_LL is not set
 
 #
 # Security options
diff --git a/arch/arm/kernel/smp.c b/arch/arm/kernel/smp.c
index a931409c8fe..7ae45c3fc83 100644
--- a/arch/arm/kernel/smp.c
+++ b/arch/arm/kernel/smp.c
@@ -36,7 +36,7 @@
  * The present bitmask indicates that the CPU is physically present.
  * The online bitmask indicates that the CPU is up and running.
  */
-cpumask_t cpu_present_mask;
+cpumask_t cpu_possible_map;
 cpumask_t cpu_online_map;
 
 /*
@@ -235,7 +235,8 @@ void __init smp_prepare_boot_cpu(void)
 {
 	unsigned int cpu = smp_processor_id();
 
-	cpu_set(cpu, cpu_present_mask);
+	cpu_set(cpu, cpu_possible_map);
+	cpu_set(cpu, cpu_present_map);
 	cpu_set(cpu, cpu_online_map);
 }
 
@@ -355,7 +356,7 @@ void show_ipi_list(struct seq_file *p)
 
 	seq_puts(p, "IPI:");
 
-	for_each_online_cpu(cpu)
+	for_each_present_cpu(cpu)
 		seq_printf(p, " %10lu", per_cpu(ipi_data, cpu).ipi_count);
 
 	seq_putc(p, '\n');
diff --git a/arch/arm/kernel/traps.c b/arch/arm/kernel/traps.c
index df2cb06ce42..d571c37ac30 100644
--- a/arch/arm/kernel/traps.c
+++ b/arch/arm/kernel/traps.c
@@ -248,16 +248,20 @@ static DEFINE_SPINLOCK(undef_lock);
 
 void register_undef_hook(struct undef_hook *hook)
 {
-	spin_lock_irq(&undef_lock);
+	unsigned long flags;
+
+	spin_lock_irqsave(&undef_lock, flags);
 	list_add(&hook->node, &undef_hook);
-	spin_unlock_irq(&undef_lock);
+	spin_unlock_irqrestore(&undef_lock, flags);
 }
 
 void unregister_undef_hook(struct undef_hook *hook)
 {
-	spin_lock_irq(&undef_lock);
+	unsigned long flags;
+
+	spin_lock_irqsave(&undef_lock, flags);
 	list_del(&hook->node);
-	spin_unlock_irq(&undef_lock);
+	spin_unlock_irqrestore(&undef_lock, flags);
 }
 
 asmlinkage void do_undefinstr(struct pt_regs *regs)
diff --git a/arch/arm/lib/bitops.h b/arch/arm/lib/bitops.h
index 4a83ab6cd56..6976e60e47c 100644
--- a/arch/arm/lib/bitops.h
+++ b/arch/arm/lib/bitops.h
@@ -1,3 +1,33 @@
+#if __LINUX_ARM_ARCH__ >= 6
+	.macro	bitop, instr
+	mov	r2, #1
+	and	r3, r0, #7		@ Get bit offset
+	add	r1, r1, r0, lsr #3	@ Get byte offset
+	mov	r3, r2, lsl r3
+1:	ldrexb	r2, [r1]
+	\instr	r2, r2, r3
+	strexb	r0, r2, [r1]
+	cmpne	r0, #0
+	bne	1b
+	mov	pc, lr
+	.endm
+
+	.macro	testop, instr, store
+	and	r3, r0, #7		@ Get bit offset
+	mov	r2, #1
+	add	r1, r1, r0, lsr #3	@ Get byte offset
+	mov	r3, r2, lsl r3		@ create mask
+1:	ldrexb	r2, [r1]
+	ands	r0, r2, r3		@ save old value of bit
+	\instr	ip, r2, r3			@ toggle bit
+	strexb	r2, ip, [r1]
+	cmp	r2, #0
+	bne	1b
+	cmp	r0, #0
+	movne	r0, #1
+2:	mov	pc, lr
+	.endm
+#else
 	.macro	bitop, instr
 	and	r2, r0, #7
 	mov	r3, #1
@@ -31,3 +61,4 @@
 	moveq	r0, #0
 	mov	pc, lr
 	.endm
+#endif
diff --git a/arch/arm/lib/io-shark.c b/arch/arm/lib/io-shark.c
index 108d4573e97..824253948f5 100644
--- a/arch/arm/lib/io-shark.c
+++ b/arch/arm/lib/io-shark.c
@@ -11,73 +11,3 @@
  * it under the terms of the GNU General Public License version 2 as
  * published by the Free Software Foundation.
  */
-#include <linux/kernel.h>
-
-#include <asm/io.h>
-
-void print_warning(void)
-{
-	printk(KERN_WARNING "ins?/outs? not implemented on this architecture\n");
-}
-
-void insl(unsigned int port, void *to, int len)
-{
-	print_warning();
-}
-
-void insb(unsigned int port, void *to, int len)
-{
-	print_warning();
-}
-
-void outsl(unsigned int port, const void *from, int len)
-{
-	print_warning();
-}
-
-void outsb(unsigned int port, const void *from, int len)
-{
-	print_warning();
-}
-
-/* these should be in assembler again */
-
-/*
- * Purpose: read a block of data from a hardware register to memory.
- * Proto  : insw(int from_port, void *to, int len_in_words);
- * Proto  : inswb(int from_port, void *to, int len_in_bytes);
- * Notes  : increment to
- */
-
-void insw(unsigned int port, void *to, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++)
-		((unsigned short *) to)[i] = inw(port);
-}
-
-void inswb(unsigned int port, void *to, int len)
-{
-	insw(port, to, len >> 2);
-}
-
-/*
- * Purpose: write a block of data from memory to a hardware register.
- * Proto  : outsw(int to_reg, void *from, int len_in_words);
- * Proto  : outswb(int to_reg, void *from, int len_in_bytes);
- * Notes  : increments from
- */
-
-void outsw(unsigned int port, const void *from, int len)
-{
-	int i;
-
-	for (i = 0; i < len; i++)
-		outw(((unsigned short *) from)[i], port);
-}
-
-void outswb(unsigned int port, const void *from, int len)
-{
-	outsw(port, from, len >> 2);
-}
diff --git a/arch/arm/mach-integrator/platsmp.c b/arch/arm/mach-integrator/platsmp.c
index ead15dfcb53..2ba02577709 100644
--- a/arch/arm/mach-integrator/platsmp.c
+++ b/arch/arm/mach-integrator/platsmp.c
@@ -174,11 +174,13 @@ void __init smp_prepare_cpus(unsigned int max_cpus)
 		max_cpus = ncores;
 
 	/*
-	 * Initialise the present mask - this tells us which CPUs should
-	 * be present.
+	 * Initialise the possible/present maps.
+	 * cpu_possible_map describes the set of CPUs which may be present
+	 * cpu_present_map describes the set of CPUs populated
 	 */
 	for (i = 0; i < max_cpus; i++) {
-		cpu_set(i, cpu_present_mask);
+		cpu_set(i, cpu_possible_map);
+		cpu_set(i, cpu_present_map);
 	}
 
 	/*
diff --git a/arch/arm/mach-omap1/leds-h2p2-debug.c b/arch/arm/mach-omap1/leds-h2p2-debug.c
index 6e98290cca5..ec0d8285f24 100644
--- a/arch/arm/mach-omap1/leds-h2p2-debug.c
+++ b/arch/arm/mach-omap1/leds-h2p2-debug.c
@@ -13,7 +13,6 @@
 #include <linux/init.h>
 #include <linux/kernel_stat.h>
 #include <linux/sched.h>
-#include <linux/version.h>
 
 #include <asm/io.h>
 #include <asm/hardware.h>
diff --git a/arch/arm/mach-shark/core.c b/arch/arm/mach-shark/core.c
index 726445895b5..e737eae4521 100644
--- a/arch/arm/mach-shark/core.c
+++ b/arch/arm/mach-shark/core.c
@@ -24,7 +24,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 		.iobase		= 0x3f8,
 		.irq		= 4,
 		.uartclk	= 1843200,
-		.regshift	= 2,
+		.regshift	= 0,
 		.iotype		= UPIO_PORT,
 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 	},
@@ -32,7 +32,7 @@ static struct plat_serial8250_port serial_platform_data[] = {
 		.iobase		= 0x2f8,
 		.irq		= 3,
 		.uartclk	= 1843200,
-		.regshift	= 2,
+		.regshift	= 0,
 		.iotype		= UPIO_PORT,
 		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 	},
diff --git a/arch/arm/nwfpe/fpmodule.c b/arch/arm/nwfpe/fpmodule.c
index a806fea5c3e..a8efcf34888 100644
--- a/arch/arm/nwfpe/fpmodule.c
+++ b/arch/arm/nwfpe/fpmodule.c
@@ -24,7 +24,6 @@
 #include "fpa11.h"
 
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/config.h>
 
 /* XXX */
diff --git a/arch/arm/plat-omap/ocpi.c b/arch/arm/plat-omap/ocpi.c
index 1fb16f9edfd..2ede2ee8cae 100644
--- a/arch/arm/plat-omap/ocpi.c
+++ b/arch/arm/plat-omap/ocpi.c
@@ -25,7 +25,6 @@
 
 #include <linux/config.h>
 #include <linux/module.h>
-#include <linux/version.h>
 #include <linux/types.h>
 #include <linux/errno.h>
 #include <linux/kernel.h>
diff --git a/arch/i386/mach-visws/reboot.c b/arch/i386/mach-visws/reboot.c
index 3a81e904a7b..95e4676594e 100644
--- a/arch/i386/mach-visws/reboot.c
+++ b/arch/i386/mach-visws/reboot.c
@@ -7,6 +7,7 @@
 #include "piix4.h"
 
 void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
 
 void machine_restart(char * __unused)
 {
diff --git a/arch/i386/mach-voyager/voyager_basic.c b/arch/i386/mach-voyager/voyager_basic.c
index 3e439ce5e1b..8680080a6a8 100644
--- a/arch/i386/mach-voyager/voyager_basic.c
+++ b/arch/i386/mach-voyager/voyager_basic.c
@@ -36,6 +36,7 @@
  * Power off function, if any
  */
 void (*pm_power_off)(void);
+EXPORT_SYMBOL(pm_power_off);
 
 int voyager_level = 0;
 
diff --git a/arch/i386/mach-voyager/voyager_smp.c b/arch/i386/mach-voyager/voyager_smp.c
index 8c8527593da..0e1f4208b07 100644
--- a/arch/i386/mach-voyager/voyager_smp.c
+++ b/arch/i386/mach-voyager/voyager_smp.c
@@ -10,6 +10,7 @@
  * the voyager hal to provide the functionality
  */
 #include <linux/config.h>
+#include <linux/module.h>
 #include <linux/mm.h>
 #include <linux/kernel_stat.h>
 #include <linux/delay.h>
@@ -40,6 +41,7 @@ static unsigned long cpu_irq_affinity[NR_CPUS] __cacheline_aligned = { [0 ... NR
 /* per CPU data structure (for /proc/cpuinfo et al), visible externally
  * indexed physically */
 struct cpuinfo_x86 cpu_data[NR_CPUS] __cacheline_aligned;
+EXPORT_SYMBOL(cpu_data);
 
 /* physical ID of the CPU used to boot the system */
 unsigned char boot_cpu_id;
@@ -72,6 +74,7 @@ static volatile unsigned long smp_invalidate_needed;
 /* Bitmask of currently online CPUs - used by setup.c for
    /proc/cpuinfo, visible externally but still physical */
 cpumask_t cpu_online_map = CPU_MASK_NONE;
+EXPORT_SYMBOL(cpu_online_map);
 
 /* Bitmask of CPUs present in the system - exported by i386_syms.c, used
  * by scheduler but indexed physically */
@@ -238,6 +241,7 @@ static cpumask_t smp_commenced_mask = CPU_MASK_NONE;
 /* This is for the new dynamic CPU boot code */
 cpumask_t cpu_callin_map = CPU_MASK_NONE;
 cpumask_t cpu_callout_map = CPU_MASK_NONE;
+EXPORT_SYMBOL(cpu_callout_map);
 
 /* The per processor IRQ masks (these are usually kept in sync) */
 static __u16 vic_irq_mask[NR_CPUS] __cacheline_aligned;
@@ -978,6 +982,7 @@ void flush_tlb_page(struct vm_area_struct * vma, unsigned long va)
 
 	preempt_enable();
 }
+EXPORT_SYMBOL(flush_tlb_page);
 
 /* enable the requested IRQs */
 static void
@@ -1109,6 +1114,7 @@ smp_call_function (void (*func) (void *info), void *info, int retry,
 
 	return 0;
 }
+EXPORT_SYMBOL(smp_call_function);
 
 /* Sorry about the name.  In an APIC based system, the APICs
  * themselves are programmed to send a timer interrupt.  This is used
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 2e08942339a..cbb3e0cef93 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -220,13 +220,6 @@ config IOSAPIC
 	depends on !IA64_HP_SIM
 	default y
 
-config IA64_SGI_SN_SIM
-	bool "SGI Medusa Simulator Support"
-	depends on IA64_SGI_SN2 || IA64_GENERIC
-	help
-	  If you are compiling a kernel that will run under SGI's IA-64
-	  simulator (Medusa) then say Y, otherwise say N.
-
 config IA64_SGI_SN_XP
 	tristate "Support communication between SGI SSIs"
 	select IA64_UNCACHED_ALLOCATOR
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
index c0561398030..04d0b00a2b8 100644
--- a/arch/ia64/configs/sn2_defconfig
+++ b/arch/ia64/configs/sn2_defconfig
@@ -81,7 +81,6 @@ CONFIG_HOLES_IN_ZONE=y
 CONFIG_ARCH_DISCONTIGMEM_ENABLE=y
 # CONFIG_IA64_CYCLONE is not set
 CONFIG_IOSAPIC=y
-CONFIG_IA64_SGI_SN_SIM=y
 CONFIG_FORCE_MAX_ZONEORDER=18
 CONFIG_SMP=y
 CONFIG_NR_CPUS=512
diff --git a/arch/ia64/kernel/setup.c b/arch/ia64/kernel/setup.c
index 5c7c95737bb..84f89da7c64 100644
--- a/arch/ia64/kernel/setup.c
+++ b/arch/ia64/kernel/setup.c
@@ -20,6 +20,7 @@
  * 02/01/00 R.Seth	fixed get_cpuinfo for SMP
  * 01/07/99 S.Eranian	added the support for command line argument
  * 06/24/99 W.Drummond	added boot_cpu_data.
+ * 05/28/05 Z. Menyhart	Dynamic stride size for "flush_icache_range()"
  */
 #include <linux/config.h>
 #include <linux/module.h>
@@ -85,6 +86,13 @@ EXPORT_SYMBOL(io_space);
 unsigned int num_io_spaces;
 
 /*
+ * "flush_icache_range()" needs to know what processor dependent stride size to use
+ * when it makes i-cache(s) coherent with d-caches.
+ */
+#define	I_CACHE_STRIDE_SHIFT	5	/* Safest way to go: 32 bytes by 32 bytes */
+unsigned long ia64_i_cache_stride_shift = ~0;
+
+/*
  * The merge_mask variable needs to be set to (max(iommu_page_size(iommu)) - 1).  This
  * mask specifies a mask of address bits that must be 0 in order for two buffers to be
  * mergeable by the I/O MMU (i.e., the end address of the first buffer and the start
@@ -628,6 +636,12 @@ setup_per_cpu_areas (void)
 	/* start_kernel() requires this... */
 }
 
+/*
+ * Calculate the max. cache line size.
+ *
+ * In addition, the minimum of the i-cache stride sizes is calculated for
+ * "flush_icache_range()".
+ */
 static void
 get_max_cacheline_size (void)
 {
@@ -641,6 +655,8 @@ get_max_cacheline_size (void)
                 printk(KERN_ERR "%s: ia64_pal_cache_summary() failed (status=%ld)\n",
                        __FUNCTION__, status);
                 max = SMP_CACHE_BYTES;
+		/* Safest setup for "flush_icache_range()" */
+		ia64_i_cache_stride_shift = I_CACHE_STRIDE_SHIFT;
 		goto out;
         }
 
@@ -649,14 +665,31 @@ get_max_cacheline_size (void)
 						    &cci);
 		if (status != 0) {
 			printk(KERN_ERR
-			       "%s: ia64_pal_cache_config_info(l=%lu) failed (status=%ld)\n",
+			       "%s: ia64_pal_cache_config_info(l=%lu, 2) failed (status=%ld)\n",
 			       __FUNCTION__, l, status);
 			max = SMP_CACHE_BYTES;
+			/* The safest setup for "flush_icache_range()" */
+			cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
+			cci.pcci_unified = 1;
 		}
 		line_size = 1 << cci.pcci_line_size;
 		if (line_size > max)
 			max = line_size;
-        }
+		if (!cci.pcci_unified) {
+			status = ia64_pal_cache_config_info(l,
+						    /* cache_type (instruction)= */ 1,
+						    &cci);
+			if (status != 0) {
+				printk(KERN_ERR
+				"%s: ia64_pal_cache_config_info(l=%lu, 1) failed (status=%ld)\n",
+					__FUNCTION__, l, status);
+				/* The safest setup for "flush_icache_range()" */
+				cci.pcci_stride = I_CACHE_STRIDE_SHIFT;
+			}
+		}
+		if (cci.pcci_stride < ia64_i_cache_stride_shift)
+			ia64_i_cache_stride_shift = cci.pcci_stride;
+	}
   out:
 	if (max > ia64_max_cacheline_size)
 		ia64_max_cacheline_size = max;
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index d8030f3bd86..92ff46ad21e 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -36,12 +36,14 @@ int arch_register_cpu(int num)
 	parent = &sysfs_nodes[cpu_to_node(num)];
 #endif /* CONFIG_NUMA */
 
+#ifdef CONFIG_ACPI_BOOT
 	/*
 	 * If CPEI cannot be re-targetted, and this is
 	 * CPEI target, then dont create the control file
 	 */
 	if (!can_cpei_retarget() && is_cpu_cpei_target(num))
 		sysfs_cpus[num].cpu.no_control = 1;
+#endif
 
 	return register_cpu(&sysfs_cpus[num].cpu, num, parent);
 }
diff --git a/arch/ia64/lib/flush.S b/arch/ia64/lib/flush.S
index a1af9146cfd..3e2cfa2c6d3 100644
--- a/arch/ia64/lib/flush.S
+++ b/arch/ia64/lib/flush.S
@@ -3,37 +3,59 @@
  *
  * Copyright (C) 1999-2001, 2005 Hewlett-Packard Co
  *	David Mosberger-Tang <davidm@hpl.hp.com>
+ *
+ * 05/28/05 Zoltan Menyhart	Dynamic stride size
  */
+
 #include <asm/asmmacro.h>
-#include <asm/page.h>
+
 
 	/*
 	 * flush_icache_range(start,end)
-	 *	Must flush range from start to end-1 but nothing else (need to
+	 *
+	 *	Make i-cache(s) coherent with d-caches.
+	 *
+	 *	Must deal with range from start to end-1 but nothing else (need to
 	 *	be careful not to touch addresses that may be unmapped).
+	 *
+	 *	Note: "in0" and "in1" are preserved for debugging purposes.
 	 */
 GLOBAL_ENTRY(flush_icache_range)
+
 	.prologue
-	alloc r2=ar.pfs,2,0,0,0
-	sub r8=in1,in0,1
+	alloc	r2=ar.pfs,2,0,0,0
+	movl	r3=ia64_i_cache_stride_shift
+ 	mov	r21=1
+	;;
+	ld8	r20=[r3]		// r20: stride shift
+	sub	r22=in1,r0,1		// last byte address
 	;;
-	shr.u r8=r8,5			// we flush 32 bytes per iteration
-	.save ar.lc, r3
-	mov r3=ar.lc			// save ar.lc
+	shr.u	r23=in0,r20		// start / (stride size)
+	shr.u	r22=r22,r20		// (last byte address) / (stride size)
+	shl	r21=r21,r20		// r21: stride size of the i-cache(s)
+	;;
+	sub	r8=r22,r23		// number of strides - 1
+	shl	r24=r23,r20		// r24: addresses for "fc.i" =
+					//	"start" rounded down to stride boundary
+	.save	ar.lc,r3
+	mov	r3=ar.lc		// save ar.lc
 	;;
 
 	.body
-
-	mov ar.lc=r8
+	mov	ar.lc=r8
 	;;
-.Loop:	fc.i in0			// issuable on M2 only
-	add in0=32,in0
+	/*
+	 * 32 byte aligned loop, even number of (actually 2) bundles
+	 */
+.Loop:	fc.i	r24			// issuable on M0 only
+	add	r24=r21,r24		// we flush "stride size" bytes per iteration
+	nop.i	0
 	br.cloop.sptk.few .Loop
 	;;
 	sync.i
 	;;
 	srlz.i
 	;;
-	mov ar.lc=r3			// restore ar.lc
+	mov	ar.lc=r3		// restore ar.lc
 	br.ret.sptk.many rp
 END(flush_icache_range)
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 720a861f88b..54d9ed444e4 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -157,6 +157,7 @@ alloc_pci_controller (int seg)
 
 	memset(controller, 0, sizeof(*controller));
 	controller->segment = seg;
+	controller->node = -1;
 	return controller;
 }
 
@@ -288,6 +289,7 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
 	unsigned int windows = 0;
 	struct pci_bus *pbus;
 	char *name;
+	int pxm;
 
 	controller = alloc_pci_controller(domain);
 	if (!controller)
@@ -295,10 +297,16 @@ pci_acpi_scan_root(struct acpi_device *device, int domain, int bus)
 
 	controller->acpi_handle = device->handle;
 
+	pxm = acpi_get_pxm(controller->acpi_handle);
+#ifdef CONFIG_NUMA
+	if (pxm >= 0)
+		controller->node = pxm_to_nid_map[pxm];
+#endif
+
 	acpi_walk_resources(device->handle, METHOD_NAME__CRS, count_window,
 			&windows);
-	controller->window = kmalloc(sizeof(*controller->window) * windows,
-			GFP_KERNEL);
+	controller->window = kmalloc_node(sizeof(*controller->window) * windows,
+			GFP_KERNEL, controller->node);
 	if (!controller->window)
 		goto out2;
 
diff --git a/arch/ia64/sn/kernel/io_init.c b/arch/ia64/sn/kernel/io_init.c
index a67f39e448c..a6649baf629 100644
--- a/arch/ia64/sn/kernel/io_init.c
+++ b/arch/ia64/sn/kernel/io_init.c
@@ -61,7 +61,7 @@ sn_default_pci_unmap(struct pci_dev *pdev, dma_addr_t addr, int direction)
 }
 
 static void *
-sn_default_pci_bus_fixup(struct pcibus_bussoft *soft)
+sn_default_pci_bus_fixup(struct pcibus_bussoft *soft, struct pci_controller *controller)
 {
 	return NULL;
 }
@@ -362,7 +362,7 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
 
 	provider_soft = NULL;
 	if (provider->bus_fixup)
-		provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr);
+		provider_soft = (*provider->bus_fixup) (prom_bussoft_ptr, controller);
 
 	if (provider_soft == NULL)
 		return;		/* fixup failed or not applicable */
@@ -380,6 +380,22 @@ void sn_pci_controller_fixup(int segment, int busnum, struct pci_bus *bus)
 	SN_PCIBUS_BUSSOFT(bus)->bs_xwidget_info =
 	    &(hubdev_info->hdi_xwidget_info[SN_PCIBUS_BUSSOFT(bus)->bs_xid]);
 
+	/*
+	 * If the node information we obtained during the fixup phase is invalid
+	 * then set controller->node to -1 (undetermined)
+	 */
+	if (controller->node >= num_online_nodes()) {
+		struct pcibus_bussoft *b = SN_PCIBUS_BUSSOFT(bus);
+
+		printk(KERN_WARNING "Device ASIC=%u XID=%u PBUSNUM=%lu"
+				    "L_IO=%lx L_MEM=%lx BASE=%lx\n",
+			b->bs_asic_type, b->bs_xid, b->bs_persist_busnum,
+			b->bs_legacy_io, b->bs_legacy_mem, b->bs_base);
+		printk(KERN_WARNING "on node %d but only %d nodes online."
+			"Association set to undetermined.\n",
+			controller->node, num_online_nodes());
+		controller->node = -1;
+	}
 	return;
 
 error_return:
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index 6d02dac8056..94698bea7be 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -72,7 +72,7 @@ xpc_initialize_channels(struct xpc_partition *part, partid_t partid)
 enum xpc_retval
 xpc_setup_infrastructure(struct xpc_partition *part)
 {
-	int ret;
+	int ret, cpuid;
 	struct timer_list *timer;
 	partid_t partid = XPC_PARTID(part);
 
@@ -223,9 +223,9 @@ xpc_setup_infrastructure(struct xpc_partition *part)
 	xpc_vars_part[partid].openclose_args_pa =
 					__pa(part->local_openclose_args);
 	xpc_vars_part[partid].IPI_amo_pa = __pa(part->local_IPI_amo_va);
-	xpc_vars_part[partid].IPI_nasid = cpuid_to_nasid(smp_processor_id());
-	xpc_vars_part[partid].IPI_phys_cpuid =
-					cpu_physical_id(smp_processor_id());
+	cpuid = raw_smp_processor_id();	/* any CPU in this partition will do */
+	xpc_vars_part[partid].IPI_nasid = cpuid_to_nasid(cpuid);
+	xpc_vars_part[partid].IPI_phys_cpuid = cpu_physical_id(cpuid);
 	xpc_vars_part[partid].nchannels = part->nchannels;
 	xpc_vars_part[partid].magic = XPC_VP_MAGIC1;
 
diff --git a/arch/ia64/sn/pci/pci_dma.c b/arch/ia64/sn/pci/pci_dma.c
index a2f7a88aefb..0e4b9ad9ef0 100644
--- a/arch/ia64/sn/pci/pci_dma.c
+++ b/arch/ia64/sn/pci/pci_dma.c
@@ -79,6 +79,7 @@ void *sn_dma_alloc_coherent(struct device *dev, size_t size,
 {
 	void *cpuaddr;
 	unsigned long phys_addr;
+	int node;
 	struct pci_dev *pdev = to_pci_dev(dev);
 	struct sn_pcibus_provider *provider = SN_PCIDEV_BUSPROVIDER(pdev);
 
@@ -86,10 +87,19 @@ void *sn_dma_alloc_coherent(struct device *dev, size_t size,
 
 	/*
 	 * Allocate the memory.
-	 * FIXME: We should be doing alloc_pages_node for the node closest
-	 *        to the PCI device.
 	 */
-	if (!(cpuaddr = (void *)__get_free_pages(GFP_ATOMIC, get_order(size))))
+	node = pcibus_to_node(pdev->bus);
+	if (likely(node >=0)) {
+		struct page *p = alloc_pages_node(node, GFP_ATOMIC, get_order(size));
+
+		if (likely(p))
+			cpuaddr = page_address(p);
+		else
+			return NULL;
+	} else
+		cpuaddr = (void *)__get_free_pages(GFP_ATOMIC, get_order(size));
+
+	if (unlikely(!cpuaddr))
 		return NULL;
 
 	memset(cpuaddr, 0x0, size);
diff --git a/arch/ia64/sn/pci/pcibr/pcibr_provider.c b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
index 9813da56d31..b95e928636a 100644
--- a/arch/ia64/sn/pci/pcibr/pcibr_provider.c
+++ b/arch/ia64/sn/pci/pcibr/pcibr_provider.c
@@ -85,7 +85,7 @@ pcibr_error_intr_handler(int irq, void *arg, struct pt_regs *regs)
 }
 
 void *
-pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft)
+pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *controller)
 {
 	int nasid, cnode, j;
 	struct hubdev_info *hubdev_info;
@@ -158,6 +158,14 @@ pcibr_bus_fixup(struct pcibus_bussoft *prom_bussoft)
 	memset(soft->pbi_int_ate_resource.ate, 0,
  	       (soft->pbi_int_ate_size * sizeof(uint64_t)));
 
+	if (prom_bussoft->bs_asic_type == PCIIO_ASIC_TYPE_TIOCP)
+		/*
+		 * TIO PCI Bridge with no closest node information.
+		 * FIXME: Find another way to determine the closest node
+		 */
+		controller->node = -1;
+	else
+		controller->node = cnode;
 	return soft;
 }
 
diff --git a/arch/ia64/sn/pci/tioca_provider.c b/arch/ia64/sn/pci/tioca_provider.c
index 51cc4e63092..5d76a758146 100644
--- a/arch/ia64/sn/pci/tioca_provider.c
+++ b/arch/ia64/sn/pci/tioca_provider.c
@@ -581,7 +581,7 @@ tioca_error_intr_handler(int irq, void *arg, struct pt_regs *pt)
  * the caller.
  */
 static void *
-tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft)
+tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft, struct pci_controller *controller)
 {
 	struct tioca_common *tioca_common;
 	struct tioca_kernel *tioca_kern;
@@ -646,6 +646,8 @@ tioca_bus_fixup(struct pcibus_bussoft *prom_bussoft)
 		       __FUNCTION__, SGI_TIOCA_ERROR,
 		       (int)tioca_common->ca_common.bs_persist_busnum);
 
+	/* Setup locality information */
+	controller->node = tioca_kern->ca_closest_node;
 	return tioca_common;
 }
 
diff --git a/arch/ppc/boot/images/Makefile b/arch/ppc/boot/images/Makefile
index c9ac5f5fa9e..532e7ef1edb 100644
--- a/arch/ppc/boot/images/Makefile
+++ b/arch/ppc/boot/images/Makefile
@@ -6,12 +6,17 @@ MKIMAGE		:= $(srctree)/scripts/mkuboot.sh
 
 extra-y		:= vmlinux.bin vmlinux.gz
 
+# two make processes may write to vmlinux.gz at the same time with make -j
+quiet_cmd_mygzip = GZIP    $@
+cmd_mygzip = gzip -f -9 < $< > $@.$$$$ && mv $@.$$$$ $@
+
+
 OBJCOPYFLAGS_vmlinux.bin := -O binary
 $(obj)/vmlinux.bin: vmlinux FORCE
 	$(call if_changed,objcopy)
 
 $(obj)/vmlinux.gz: $(obj)/vmlinux.bin FORCE
-	$(call if_changed,gzip)
+	$(call if_changed,mygzip)
 
 quiet_cmd_uimage = UIMAGE  $@
       cmd_uimage = $(CONFIG_SHELL) $(MKIMAGE) -A ppc -O linux -T kernel \
diff --git a/arch/ppc64/kernel/cpu_setup_power4.S b/arch/ppc64/kernel/cpu_setup_power4.S
index 42fc08cf87a..0482c063c26 100644
--- a/arch/ppc64/kernel/cpu_setup_power4.S
+++ b/arch/ppc64/kernel/cpu_setup_power4.S
@@ -31,10 +31,13 @@ _GLOBAL(__970_cpu_preinit)
 	 */
 	mfspr	r0,SPRN_PVR
 	srwi	r0,r0,16
-	cmpwi	cr0,r0,0x39
-	cmpwi	cr1,r0,0x3c
-	cror	4*cr0+eq,4*cr0+eq,4*cr1+eq
+	cmpwi	r0,0x39
+	beq	1f
+	cmpwi	r0,0x3c
+	beq	1f
+	cmpwi	r0,0x44
 	bnelr
+1:
 
 	/* Make sure HID4:rm_ci is off before MMU is turned off, that large
 	 * pages are enabled with HID4:61 and clear HID5:DCBZ_size and
@@ -133,12 +136,14 @@ _GLOBAL(__save_cpu_setup)
 	/* We only deal with 970 for now */
 	mfspr	r0,SPRN_PVR
 	srwi	r0,r0,16
-	cmpwi	cr0,r0,0x39
-	cmpwi	cr1,r0,0x3c
-	cror	4*cr0+eq,4*cr0+eq,4*cr1+eq
-	bne	1f
-
-	/* Save HID0,1,4 and 5 */
+	cmpwi	r0,0x39
+	beq	1f
+	cmpwi	r0,0x3c
+	beq	1f
+	cmpwi	r0,0x44
+	bne	2f
+
+1:	/* Save HID0,1,4 and 5 */
 	mfspr	r3,SPRN_HID0
 	std	r3,CS_HID0(r5)
 	mfspr	r3,SPRN_HID1
@@ -148,7 +153,7 @@ _GLOBAL(__save_cpu_setup)
 	mfspr	r3,SPRN_HID5
 	std	r3,CS_HID5(r5)
 	
-1:
+2:
 	mtcr	r7
 	blr
 
@@ -165,12 +170,14 @@ _GLOBAL(__restore_cpu_setup)
 	/* We only deal with 970 for now */
 	mfspr	r0,SPRN_PVR
 	srwi	r0,r0,16
-	cmpwi	cr0,r0,0x39
-	cmpwi	cr1,r0,0x3c
-	cror	4*cr0+eq,4*cr0+eq,4*cr1+eq
-	bne	1f
+	cmpwi	r0,0x39
+	beq	1f
+	cmpwi	r0,0x3c
+	beq	1f
+	cmpwi	r0,0x44
+	bnelr
 
-	/* Before accessing memory, we make sure rm_ci is clear */
+1:	/* Before accessing memory, we make sure rm_ci is clear */
 	li	r0,0
 	mfspr	r3,SPRN_HID4
 	rldimi	r3,r0,40,23	/* clear bit 23 (rm_ci) */
@@ -223,6 +230,5 @@ _GLOBAL(__restore_cpu_setup)
 	mtspr	SPRN_HID5,r3
 	sync
 	isync
-1:
 	blr
 
diff --git a/arch/ppc64/kernel/cputable.c b/arch/ppc64/kernel/cputable.c
index 8d4c46f6f0b..77cec42f952 100644
--- a/arch/ppc64/kernel/cputable.c
+++ b/arch/ppc64/kernel/cputable.c
@@ -183,6 +183,21 @@ struct cpu_spec	cpu_specs[] = {
 		.cpu_setup		= __setup_cpu_ppc970,
 		.firmware_features	= COMMON_PPC64_FW,
 	},
+	{	/* PPC970MP */
+		.pvr_mask		= 0xffff0000,
+		.pvr_value		= 0x00440000,
+		.cpu_name		= "PPC970MP",
+		.cpu_features		= CPU_FTR_SPLIT_ID_CACHE |
+			CPU_FTR_USE_TB | CPU_FTR_HPTE_TABLE |
+			CPU_FTR_PPCAS_ARCH_V2 | CPU_FTR_ALTIVEC_COMP |
+			CPU_FTR_CAN_NAP | CPU_FTR_PMC8 | CPU_FTR_MMCRA,
+		.cpu_user_features	= COMMON_USER_PPC64 |
+			PPC_FEATURE_HAS_ALTIVEC_COMP,
+		.icache_bsize		= 128,
+		.dcache_bsize		= 128,
+		.cpu_setup		= __setup_cpu_ppc970,
+		.firmware_features	= COMMON_PPC64_FW,
+	},
 	{	/* Power5 */
 		.pvr_mask		= 0xffff0000,
 		.pvr_value		= 0x003a0000,
diff --git a/arch/ppc64/kernel/iSeries_htab.c b/arch/ppc64/kernel/iSeries_htab.c
index aa9e8fdd1a4..b0250ae4a72 100644
--- a/arch/ppc64/kernel/iSeries_htab.c
+++ b/arch/ppc64/kernel/iSeries_htab.c
@@ -38,11 +38,12 @@ static inline void iSeries_hunlock(unsigned long slot)
 }
 
 static long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
-			 unsigned long prpn, int secondary,
-			 unsigned long hpteflags, int bolted, int large)
+				unsigned long prpn, unsigned long vflags,
+				unsigned long rflags)
 {
 	long slot;
-	HPTE lhpte;
+	hpte_t lhpte;
+	int secondary = 0;
 
 	/*
 	 * The hypervisor tries both primary and secondary.
@@ -50,13 +51,13 @@ static long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
 	 * it means we have already tried both primary and secondary,
 	 * so we return failure immediately.
 	 */
-	if (secondary)
+	if (vflags & HPTE_V_SECONDARY)
 		return -1;
 
 	iSeries_hlock(hpte_group);
 
 	slot = HvCallHpt_findValid(&lhpte, va >> PAGE_SHIFT);
-	BUG_ON(lhpte.dw0.dw0.v);
+	BUG_ON(lhpte.v & HPTE_V_VALID);
 
 	if (slot == -1)	{ /* No available entry found in either group */
 		iSeries_hunlock(hpte_group);
@@ -64,19 +65,13 @@ static long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
 	}
 
 	if (slot < 0) {		/* MSB set means secondary group */
+		vflags |= HPTE_V_VALID;
 		secondary = 1;
 		slot &= 0x7fffffffffffffff;
 	}
 
-	lhpte.dw1.dword1      = 0;
-	lhpte.dw1.dw1.rpn     = physRpn_to_absRpn(prpn);
-	lhpte.dw1.flags.flags = hpteflags;
-
-	lhpte.dw0.dword0      = 0;
-	lhpte.dw0.dw0.avpn    = va >> 23;
-	lhpte.dw0.dw0.h       = secondary;
-	lhpte.dw0.dw0.bolted  = bolted;
-	lhpte.dw0.dw0.v       = 1;
+	lhpte.v = (va >> 23) << HPTE_V_AVPN_SHIFT | vflags | HPTE_V_VALID;
+	lhpte.r = (physRpn_to_absRpn(prpn) << HPTE_R_RPN_SHIFT) | rflags;
 
 	/* Now fill in the actual HPTE */
 	HvCallHpt_addValidate(slot, secondary, &lhpte);
@@ -88,20 +83,17 @@ static long iSeries_hpte_insert(unsigned long hpte_group, unsigned long va,
 
 static unsigned long iSeries_hpte_getword0(unsigned long slot)
 {
-	unsigned long dword0;
-	HPTE hpte;
+	hpte_t hpte;
 
 	HvCallHpt_get(&hpte, slot);
-	dword0 = hpte.dw0.dword0;
-
-	return dword0;
+	return hpte.v;
 }
 
 static long iSeries_hpte_remove(unsigned long hpte_group)
 {
 	unsigned long slot_offset;
 	int i;
-	HPTE lhpte;
+	unsigned long hpte_v;
 
 	/* Pick a random slot to start at */
 	slot_offset = mftb() & 0x7;
@@ -109,10 +101,9 @@ static long iSeries_hpte_remove(unsigned long hpte_group)
 	iSeries_hlock(hpte_group);
 
 	for (i = 0; i < HPTES_PER_GROUP; i++) {
-		lhpte.dw0.dword0 = 
-			iSeries_hpte_getword0(hpte_group + slot_offset);
+		hpte_v = iSeries_hpte_getword0(hpte_group + slot_offset);
 
-		if (!lhpte.dw0.dw0.bolted) {
+		if (! (hpte_v & HPTE_V_BOLTED)) {
 			HvCallHpt_invalidateSetSwBitsGet(hpte_group + 
 							 slot_offset, 0, 0);
 			iSeries_hunlock(hpte_group);
@@ -137,13 +128,13 @@ static long iSeries_hpte_remove(unsigned long hpte_group)
 static long iSeries_hpte_updatepp(unsigned long slot, unsigned long newpp,
 				  unsigned long va, int large, int local)
 {
-	HPTE hpte;
+	hpte_t hpte;
 	unsigned long avpn = va >> 23;
 
 	iSeries_hlock(slot);
 
 	HvCallHpt_get(&hpte, slot);
-	if ((hpte.dw0.dw0.avpn == avpn) && (hpte.dw0.dw0.v)) {
+	if ((HPTE_V_AVPN_VAL(hpte.v) == avpn) && (hpte.v & HPTE_V_VALID)) {
 		/*
 		 * Hypervisor expects bits as NPPP, which is
 		 * different from how they are mapped in our PP.
@@ -167,7 +158,7 @@ static long iSeries_hpte_updatepp(unsigned long slot, unsigned long newpp,
  */
 static long iSeries_hpte_find(unsigned long vpn)
 {
-	HPTE hpte;
+	hpte_t hpte;
 	long slot;
 
 	/*
@@ -177,7 +168,7 @@ static long iSeries_hpte_find(unsigned long vpn)
 	 * 0x80000000xxxxxxxx : Entry found in secondary group, slot x
 	 */
 	slot = HvCallHpt_findValid(&hpte, vpn); 
-	if (hpte.dw0.dw0.v) {
+	if (hpte.v & HPTE_V_VALID) {
 		if (slot < 0) {
 			slot &= 0x7fffffffffffffff;
 			slot = -slot;
@@ -212,7 +203,7 @@ static void iSeries_hpte_updateboltedpp(unsigned long newpp, unsigned long ea)
 static void iSeries_hpte_invalidate(unsigned long slot, unsigned long va,
 				    int large, int local)
 {
-	HPTE lhpte;
+	unsigned long hpte_v;
 	unsigned long avpn = va >> 23;
 	unsigned long flags;
 
@@ -220,9 +211,9 @@ static void iSeries_hpte_invalidate(unsigned long slot, unsigned long va,
 
 	iSeries_hlock(slot);
 
-	lhpte.dw0.dword0 = iSeries_hpte_getword0(slot);
+	hpte_v = iSeries_hpte_getword0(slot);
 	
-	if ((lhpte.dw0.dw0.avpn == avpn) && lhpte.dw0.dw0.v)
+	if ((HPTE_V_AVPN_VAL(hpte_v) == avpn) && (hpte_v & HPTE_V_VALID))
 		HvCallHpt_invalidateSetSwBitsGet(slot, 0, 0);
 
 	iSeries_hunlock(slot);
diff --git a/arch/ppc64/kernel/iSeries_setup.c b/arch/ppc64/kernel/iSeries_setup.c
index 077c82fc9f3..a649edbb23b 100644
--- a/arch/ppc64/kernel/iSeries_setup.c
+++ b/arch/ppc64/kernel/iSeries_setup.c
@@ -503,7 +503,7 @@ static void __init build_iSeries_Memory_Map(void)
 
 	/* Fill in the hashed page table hash mask */
 	num_ptegs = hptSizePages *
-		(PAGE_SIZE / (sizeof(HPTE) * HPTES_PER_GROUP));
+		(PAGE_SIZE / (sizeof(hpte_t) * HPTES_PER_GROUP));
 	htab_hash_mask = num_ptegs - 1;
 
 	/*
@@ -618,25 +618,23 @@ static void __init setup_iSeries_cache_sizes(void)
 static void iSeries_make_pte(unsigned long va, unsigned long pa,
 			     int mode)
 {
-	HPTE local_hpte, rhpte;
+	hpte_t local_hpte, rhpte;
 	unsigned long hash, vpn;
 	long slot;
 
 	vpn = va >> PAGE_SHIFT;
 	hash = hpt_hash(vpn, 0);
 
-	local_hpte.dw1.dword1 = pa | mode;
-	local_hpte.dw0.dword0 = 0;
-	local_hpte.dw0.dw0.avpn = va >> 23;
-	local_hpte.dw0.dw0.bolted = 1;		/* bolted */
-	local_hpte.dw0.dw0.v = 1;
+	local_hpte.r = pa | mode;
+	local_hpte.v = ((va >> 23) << HPTE_V_AVPN_SHIFT)
+		| HPTE_V_BOLTED | HPTE_V_VALID;
 
 	slot = HvCallHpt_findValid(&rhpte, vpn);
 	if (slot < 0) {
 		/* Must find space in primary group */
 		panic("hash_page: hpte already exists\n");
 	}
-	HvCallHpt_addValidate(slot, 0, (HPTE *)&local_hpte );
+	HvCallHpt_addValidate(slot, 0, &local_hpte);
 }
 
 /*
@@ -646,7 +644,7 @@ static void __init iSeries_bolt_kernel(unsigned long saddr, unsigned long eaddr)
 {
 	unsigned long pa;
 	unsigned long mode_rw = _PAGE_ACCESSED | _PAGE_COHERENT | PP_RWXX;
-	HPTE hpte;
+	hpte_t hpte;
 
 	for (pa = saddr; pa < eaddr ;pa += PAGE_SIZE) {
 		unsigned long ea = (unsigned long)__va(pa);
@@ -659,7 +657,7 @@ static void __init iSeries_bolt_kernel(unsigned long saddr, unsigned long eaddr)
 		if (!in_kernel_text(ea))
 			mode_rw |= HW_NO_EXEC;
 
-		if (hpte.dw0.dw0.v) {
+		if (hpte.v & HPTE_V_VALID) {
 			/* HPTE exists, so just bolt it */
 			HvCallHpt_setSwBits(slot, 0x10, 0);
 			/* And make sure the pp bits are correct */
diff --git a/arch/ppc64/kernel/pSeries_lpar.c b/arch/ppc64/kernel/pSeries_lpar.c
index 6534812db43..74dd144dcce 100644
--- a/arch/ppc64/kernel/pSeries_lpar.c
+++ b/arch/ppc64/kernel/pSeries_lpar.c
@@ -277,31 +277,20 @@ void vpa_init(int cpu)
 
 long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 			      unsigned long va, unsigned long prpn,
-			      int secondary, unsigned long hpteflags,
-			      int bolted, int large)
+			      unsigned long vflags, unsigned long rflags)
 {
 	unsigned long arpn = physRpn_to_absRpn(prpn);
 	unsigned long lpar_rc;
 	unsigned long flags;
 	unsigned long slot;
-	HPTE lhpte;
+	unsigned long hpte_v, hpte_r;
 	unsigned long dummy0, dummy1;
 
-	/* Fill in the local HPTE with absolute rpn, avpn and flags */
-	lhpte.dw1.dword1      = 0;
-	lhpte.dw1.dw1.rpn     = arpn;
-	lhpte.dw1.flags.flags = hpteflags;
+	hpte_v = ((va >> 23) << HPTE_V_AVPN_SHIFT) | vflags | HPTE_V_VALID;
+	if (vflags & HPTE_V_LARGE)
+		hpte_v &= ~(1UL << HPTE_V_AVPN_SHIFT);
 
-	lhpte.dw0.dword0      = 0;
-	lhpte.dw0.dw0.avpn    = va >> 23;
-	lhpte.dw0.dw0.h       = secondary;
-	lhpte.dw0.dw0.bolted  = bolted;
-	lhpte.dw0.dw0.v       = 1;
-
-	if (large) {
-		lhpte.dw0.dw0.l = 1;
-		lhpte.dw0.dw0.avpn &= ~0x1UL;
-	}
+	hpte_r = (arpn << HPTE_R_RPN_SHIFT) | rflags;
 
 	/* Now fill in the actual HPTE */
 	/* Set CEC cookie to 0         */
@@ -312,11 +301,11 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 	flags = 0;
 
 	/* XXX why is this here? - Anton */
-	if (hpteflags & (_PAGE_GUARDED|_PAGE_NO_CACHE))
-		lhpte.dw1.flags.flags &= ~_PAGE_COHERENT;
+	if (rflags & (_PAGE_GUARDED|_PAGE_NO_CACHE))
+		hpte_r &= ~_PAGE_COHERENT;
 
-	lpar_rc = plpar_hcall(H_ENTER, flags, hpte_group, lhpte.dw0.dword0,
-			      lhpte.dw1.dword1, &slot, &dummy0, &dummy1);
+	lpar_rc = plpar_hcall(H_ENTER, flags, hpte_group, hpte_v,
+			      hpte_r, &slot, &dummy0, &dummy1);
 
 	if (unlikely(lpar_rc == H_PTEG_Full))
 		return -1;
@@ -332,7 +321,7 @@ long pSeries_lpar_hpte_insert(unsigned long hpte_group,
 	/* Because of iSeries, we have to pass down the secondary
 	 * bucket bit here as well
 	 */
-	return (slot & 7) | (secondary << 3);
+	return (slot & 7) | (!!(vflags & HPTE_V_SECONDARY) << 3);
 }
 
 static DEFINE_SPINLOCK(pSeries_lpar_tlbie_lock);
@@ -427,22 +416,18 @@ static long pSeries_lpar_hpte_find(unsigned long vpn)
 	unsigned long hash;
 	unsigned long i, j;
 	long slot;
-	union {
-		unsigned long dword0;
-		Hpte_dword0 dw0;
-	} hpte_dw0;
-	Hpte_dword0 dw0;
+	unsigned long hpte_v;
 
 	hash = hpt_hash(vpn, 0);
 
 	for (j = 0; j < 2; j++) {
 		slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
 		for (i = 0; i < HPTES_PER_GROUP; i++) {
-			hpte_dw0.dword0 = pSeries_lpar_hpte_getword0(slot);
-			dw0 = hpte_dw0.dw0;
+			hpte_v = pSeries_lpar_hpte_getword0(slot);
 
-			if ((dw0.avpn == (vpn >> 11)) && dw0.v &&
-			    (dw0.h == j)) {
+			if ((HPTE_V_AVPN_VAL(hpte_v) == (vpn >> 11))
+			    && (hpte_v & HPTE_V_VALID)
+			    && (!!(hpte_v & HPTE_V_SECONDARY) == j)) {
 				/* HPTE matches */
 				if (j)
 					slot = -slot;
diff --git a/arch/ppc64/mm/hash_low.S b/arch/ppc64/mm/hash_low.S
index c23d46956dd..fbff24827ae 100644
--- a/arch/ppc64/mm/hash_low.S
+++ b/arch/ppc64/mm/hash_low.S
@@ -170,9 +170,7 @@ htab_insert_pte:
 	/* Call ppc_md.hpte_insert */
 	ld	r7,STK_PARM(r4)(r1)	/* Retreive new pp bits */
 	mr	r4,r29			/* Retreive va */
-	li	r6,0			/* primary slot */
-	li	r8,0			/* not bolted and not large */
-	li	r9,0
+	li	r6,0			/* no vflags */
 _GLOBAL(htab_call_hpte_insert1)
 	bl	.			/* Will be patched by htab_finish_init() */
 	cmpdi	0,r3,0
@@ -192,9 +190,7 @@ _GLOBAL(htab_call_hpte_insert1)
 	/* Call ppc_md.hpte_insert */
 	ld	r7,STK_PARM(r4)(r1)	/* Retreive new pp bits */
 	mr	r4,r29			/* Retreive va */
-	li	r6,1			/* secondary slot */
-	li	r8,0			/* not bolted and not large */
-	li	r9,0
+	li	r6,HPTE_V_SECONDARY@l	/* secondary slot */
 _GLOBAL(htab_call_hpte_insert2)
 	bl	.			/* Will be patched by htab_finish_init() */
 	cmpdi	0,r3,0
diff --git a/arch/ppc64/mm/hash_native.c b/arch/ppc64/mm/hash_native.c
index 4fec05817d6..a6abd3a979b 100644
--- a/arch/ppc64/mm/hash_native.c
+++ b/arch/ppc64/mm/hash_native.c
@@ -27,9 +27,9 @@
 
 static DEFINE_SPINLOCK(native_tlbie_lock);
 
-static inline void native_lock_hpte(HPTE *hptep)
+static inline void native_lock_hpte(hpte_t *hptep)
 {
-	unsigned long *word = &hptep->dw0.dword0;
+	unsigned long *word = &hptep->v;
 
 	while (1) {
 		if (!test_and_set_bit(HPTE_LOCK_BIT, word))
@@ -39,32 +39,28 @@ static inline void native_lock_hpte(HPTE *hptep)
 	}
 }
 
-static inline void native_unlock_hpte(HPTE *hptep)
+static inline void native_unlock_hpte(hpte_t *hptep)
 {
-	unsigned long *word = &hptep->dw0.dword0;
+	unsigned long *word = &hptep->v;
 
 	asm volatile("lwsync":::"memory");
 	clear_bit(HPTE_LOCK_BIT, word);
 }
 
 long native_hpte_insert(unsigned long hpte_group, unsigned long va,
-			unsigned long prpn, int secondary,
-			unsigned long hpteflags, int bolted, int large)
+			unsigned long prpn, unsigned long vflags,
+			unsigned long rflags)
 {
 	unsigned long arpn = physRpn_to_absRpn(prpn);
-	HPTE *hptep = htab_address + hpte_group;
-	Hpte_dword0 dw0;
-	HPTE lhpte;
+	hpte_t *hptep = htab_address + hpte_group;
+	unsigned long hpte_v, hpte_r;
 	int i;
 
 	for (i = 0; i < HPTES_PER_GROUP; i++) {
-		dw0 = hptep->dw0.dw0;
-
-		if (!dw0.v) {
+		if (! (hptep->v & HPTE_V_VALID)) {
 			/* retry with lock held */
 			native_lock_hpte(hptep);
-			dw0 = hptep->dw0.dw0;
-			if (!dw0.v)
+			if (! (hptep->v & HPTE_V_VALID))
 				break;
 			native_unlock_hpte(hptep);
 		}
@@ -75,56 +71,45 @@ long native_hpte_insert(unsigned long hpte_group, unsigned long va,
 	if (i == HPTES_PER_GROUP)
 		return -1;
 
-	lhpte.dw1.dword1      = 0;
-	lhpte.dw1.dw1.rpn     = arpn;
-	lhpte.dw1.flags.flags = hpteflags;
-
-	lhpte.dw0.dword0      = 0;
-	lhpte.dw0.dw0.avpn    = va >> 23;
-	lhpte.dw0.dw0.h       = secondary;
-	lhpte.dw0.dw0.bolted  = bolted;
-	lhpte.dw0.dw0.v       = 1;
-
-	if (large) {
-		lhpte.dw0.dw0.l = 1;
-		lhpte.dw0.dw0.avpn &= ~0x1UL;
-	}
-
-	hptep->dw1.dword1 = lhpte.dw1.dword1;
+	hpte_v = (va >> 23) << HPTE_V_AVPN_SHIFT | vflags | HPTE_V_VALID;
+	if (vflags & HPTE_V_LARGE)
+		va &= ~(1UL << HPTE_V_AVPN_SHIFT);
+	hpte_r = (arpn << HPTE_R_RPN_SHIFT) | rflags;
 
+	hptep->r = hpte_r;
 	/* Guarantee the second dword is visible before the valid bit */
 	__asm__ __volatile__ ("eieio" : : : "memory");
-
 	/*
 	 * Now set the first dword including the valid bit
 	 * NOTE: this also unlocks the hpte
 	 */
-	hptep->dw0.dword0 = lhpte.dw0.dword0;
+	hptep->v = hpte_v;
 
 	__asm__ __volatile__ ("ptesync" : : : "memory");
 
-	return i | (secondary << 3);
+	return i | (!!(vflags & HPTE_V_SECONDARY) << 3);
 }
 
 static long native_hpte_remove(unsigned long hpte_group)
 {
-	HPTE *hptep;
-	Hpte_dword0 dw0;
+	hpte_t *hptep;
 	int i;
 	int slot_offset;
+	unsigned long hpte_v;
 
 	/* pick a random entry to start at */
 	slot_offset = mftb() & 0x7;
 
 	for (i = 0; i < HPTES_PER_GROUP; i++) {
 		hptep = htab_address + hpte_group + slot_offset;
-		dw0 = hptep->dw0.dw0;
+		hpte_v = hptep->v;
 
-		if (dw0.v && !dw0.bolted) {
+		if ((hpte_v & HPTE_V_VALID) && !(hpte_v & HPTE_V_BOLTED)) {
 			/* retry with lock held */
 			native_lock_hpte(hptep);
-			dw0 = hptep->dw0.dw0;
-			if (dw0.v && !dw0.bolted)
+			hpte_v = hptep->v;
+			if ((hpte_v & HPTE_V_VALID)
+			    && !(hpte_v & HPTE_V_BOLTED))
 				break;
 			native_unlock_hpte(hptep);
 		}
@@ -137,15 +122,15 @@ static long native_hpte_remove(unsigned long hpte_group)
 		return -1;
 
 	/* Invalidate the hpte. NOTE: this also unlocks it */
-	hptep->dw0.dword0 = 0;
+	hptep->v = 0;
 
 	return i;
 }
 
-static inline void set_pp_bit(unsigned long pp, HPTE *addr)
+static inline void set_pp_bit(unsigned long pp, hpte_t *addr)
 {
 	unsigned long old;
-	unsigned long *p = &addr->dw1.dword1;
+	unsigned long *p = &addr->r;
 
 	__asm__ __volatile__(
 	"1:	ldarx	%0,0,%3\n\
@@ -163,11 +148,11 @@ static inline void set_pp_bit(unsigned long pp, HPTE *addr)
  */
 static long native_hpte_find(unsigned long vpn)
 {
-	HPTE *hptep;
+	hpte_t *hptep;
 	unsigned long hash;
 	unsigned long i, j;
 	long slot;
-	Hpte_dword0 dw0;
+	unsigned long hpte_v;
 
 	hash = hpt_hash(vpn, 0);
 
@@ -175,10 +160,11 @@ static long native_hpte_find(unsigned long vpn)
 		slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
 		for (i = 0; i < HPTES_PER_GROUP; i++) {
 			hptep = htab_address + slot;
-			dw0 = hptep->dw0.dw0;
+			hpte_v = hptep->v;
 
-			if ((dw0.avpn == (vpn >> 11)) && dw0.v &&
-			    (dw0.h == j)) {
+			if ((HPTE_V_AVPN_VAL(hpte_v) == (vpn >> 11))
+			    && (hpte_v & HPTE_V_VALID)
+			    && ( !!(hpte_v & HPTE_V_SECONDARY) == j)) {
 				/* HPTE matches */
 				if (j)
 					slot = -slot;
@@ -195,20 +181,21 @@ static long native_hpte_find(unsigned long vpn)
 static long native_hpte_updatepp(unsigned long slot, unsigned long newpp,
 				 unsigned long va, int large, int local)
 {
-	HPTE *hptep = htab_address + slot;
-	Hpte_dword0 dw0;
+	hpte_t *hptep = htab_address + slot;
+	unsigned long hpte_v;
 	unsigned long avpn = va >> 23;
 	int ret = 0;
 
 	if (large)
-		avpn &= ~0x1UL;
+		avpn &= ~1;
 
 	native_lock_hpte(hptep);
 
-	dw0 = hptep->dw0.dw0;
+	hpte_v = hptep->v;
 
 	/* Even if we miss, we need to invalidate the TLB */
-	if ((dw0.avpn != avpn) || !dw0.v) {
+	if ((HPTE_V_AVPN_VAL(hpte_v) != avpn)
+	    || !(hpte_v & HPTE_V_VALID)) {
 		native_unlock_hpte(hptep);
 		ret = -1;
 	} else {
@@ -244,7 +231,7 @@ static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea)
 {
 	unsigned long vsid, va, vpn, flags = 0;
 	long slot;
-	HPTE *hptep;
+	hpte_t *hptep;
 	int lock_tlbie = !cpu_has_feature(CPU_FTR_LOCKLESS_TLBIE);
 
 	vsid = get_kernel_vsid(ea);
@@ -269,26 +256,27 @@ static void native_hpte_updateboltedpp(unsigned long newpp, unsigned long ea)
 static void native_hpte_invalidate(unsigned long slot, unsigned long va,
 				    int large, int local)
 {
-	HPTE *hptep = htab_address + slot;
-	Hpte_dword0 dw0;
+	hpte_t *hptep = htab_address + slot;
+	unsigned long hpte_v;
 	unsigned long avpn = va >> 23;
 	unsigned long flags;
 	int lock_tlbie = !cpu_has_feature(CPU_FTR_LOCKLESS_TLBIE);
 
 	if (large)
-		avpn &= ~0x1UL;
+		avpn &= ~1;
 
 	local_irq_save(flags);
 	native_lock_hpte(hptep);
 
-	dw0 = hptep->dw0.dw0;
+	hpte_v = hptep->v;
 
 	/* Even if we miss, we need to invalidate the TLB */
-	if ((dw0.avpn != avpn) || !dw0.v) {
+	if ((HPTE_V_AVPN_VAL(hpte_v) != avpn)
+	    || !(hpte_v & HPTE_V_VALID)) {
 		native_unlock_hpte(hptep);
 	} else {
 		/* Invalidate the hpte. NOTE: this also unlocks it */
-		hptep->dw0.dword0 = 0;
+		hptep->v = 0;
 	}
 
 	/* Invalidate the tlb */
@@ -315,8 +303,8 @@ static void native_hpte_invalidate(unsigned long slot, unsigned long va,
 static void native_hpte_clear(void)
 {
 	unsigned long slot, slots, flags;
-	HPTE *hptep = htab_address;
-	Hpte_dword0 dw0;
+	hpte_t *hptep = htab_address;
+	unsigned long hpte_v;
 	unsigned long pteg_count;
 
 	pteg_count = htab_hash_mask + 1;
@@ -336,11 +324,11 @@ static void native_hpte_clear(void)
 		 * running,  right?  and for crash dump, we probably
 		 * don't want to wait for a maybe bad cpu.
 		 */
-		dw0 = hptep->dw0.dw0;
+		hpte_v = hptep->v;
 
-		if (dw0.v) {
-			hptep->dw0.dword0 = 0;
-			tlbie(slot2va(dw0.avpn, dw0.l, dw0.h, slot), dw0.l);
+		if (hpte_v & HPTE_V_VALID) {
+			hptep->v = 0;
+			tlbie(slot2va(hpte_v, slot), hpte_v & HPTE_V_LARGE);
 		}
 	}
 
@@ -353,8 +341,8 @@ static void native_flush_hash_range(unsigned long context,
 {
 	unsigned long vsid, vpn, va, hash, secondary, slot, flags, avpn;
 	int i, j;
-	HPTE *hptep;
-	Hpte_dword0 dw0;
+	hpte_t *hptep;
+	unsigned long hpte_v;
 	struct ppc64_tlb_batch *batch = &__get_cpu_var(ppc64_tlb_batch);
 
 	/* XXX fix for large ptes */
@@ -390,14 +378,15 @@ static void native_flush_hash_range(unsigned long context,
 
 		native_lock_hpte(hptep);
 
-		dw0 = hptep->dw0.dw0;
+		hpte_v = hptep->v;
 
 		/* Even if we miss, we need to invalidate the TLB */
-		if ((dw0.avpn != avpn) || !dw0.v) {
+		if ((HPTE_V_AVPN_VAL(hpte_v) != avpn)
+		    || !(hpte_v & HPTE_V_VALID)) {
 			native_unlock_hpte(hptep);
 		} else {
 			/* Invalidate the hpte. NOTE: this also unlocks it */
-			hptep->dw0.dword0 = 0;
+			hptep->v = 0;
 		}
 
 		j++;
diff --git a/arch/ppc64/mm/hash_utils.c b/arch/ppc64/mm/hash_utils.c
index 1647b1c6f28..623b5d130c3 100644
--- a/arch/ppc64/mm/hash_utils.c
+++ b/arch/ppc64/mm/hash_utils.c
@@ -75,8 +75,8 @@
 extern unsigned long dart_tablebase;
 #endif /* CONFIG_U3_DART */
 
-HPTE		*htab_address;
-unsigned long	htab_hash_mask;
+hpte_t *htab_address;
+unsigned long htab_hash_mask;
 
 extern unsigned long _SDR1;
 
@@ -97,11 +97,15 @@ static inline void create_pte_mapping(unsigned long start, unsigned long end,
 	unsigned long addr;
 	unsigned int step;
 	unsigned long tmp_mode;
+	unsigned long vflags;
 
-	if (large)
+	if (large) {
 		step = 16*MB;
-	else
+		vflags = HPTE_V_BOLTED | HPTE_V_LARGE;
+	} else {
 		step = 4*KB;
+		vflags = HPTE_V_BOLTED;
+	}
 
 	for (addr = start; addr < end; addr += step) {
 		unsigned long vpn, hash, hpteg;
@@ -129,12 +133,12 @@ static inline void create_pte_mapping(unsigned long start, unsigned long end,
 		if (systemcfg->platform & PLATFORM_LPAR)
 			ret = pSeries_lpar_hpte_insert(hpteg, va,
 				virt_to_abs(addr) >> PAGE_SHIFT,
-				0, tmp_mode, 1, large);
+				vflags, tmp_mode);
 		else
 #endif /* CONFIG_PPC_PSERIES */
 			ret = native_hpte_insert(hpteg, va,
 				virt_to_abs(addr) >> PAGE_SHIFT,
-				0, tmp_mode, 1, large);
+				vflags, tmp_mode);
 
 		if (ret == -1) {
 			ppc64_terminate_msg(0x20, "create_pte_mapping");
diff --git a/arch/ppc64/mm/hugetlbpage.c b/arch/ppc64/mm/hugetlbpage.c
index fdcfe97c75c..f9524602818 100644
--- a/arch/ppc64/mm/hugetlbpage.c
+++ b/arch/ppc64/mm/hugetlbpage.c
@@ -583,7 +583,7 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
 	pte_t *ptep;
 	unsigned long va, vpn;
 	pte_t old_pte, new_pte;
-	unsigned long hpteflags, prpn;
+	unsigned long rflags, prpn;
 	long slot;
 	int err = 1;
 
@@ -626,9 +626,9 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
 	old_pte = *ptep;
 	new_pte = old_pte;
 
-	hpteflags = 0x2 | (! (pte_val(new_pte) & _PAGE_RW));
+	rflags = 0x2 | (! (pte_val(new_pte) & _PAGE_RW));
  	/* _PAGE_EXEC -> HW_NO_EXEC since it's inverted */
-	hpteflags |= ((pte_val(new_pte) & _PAGE_EXEC) ? 0 : HW_NO_EXEC);
+	rflags |= ((pte_val(new_pte) & _PAGE_EXEC) ? 0 : HW_NO_EXEC);
 
 	/* Check if pte already has an hpte (case 2) */
 	if (unlikely(pte_val(old_pte) & _PAGE_HASHPTE)) {
@@ -641,7 +641,7 @@ int hash_huge_page(struct mm_struct *mm, unsigned long access,
 		slot = (hash & htab_hash_mask) * HPTES_PER_GROUP;
 		slot += (pte_val(old_pte) & _PAGE_GROUP_IX) >> 12;
 
-		if (ppc_md.hpte_updatepp(slot, hpteflags, va, 1, local) == -1)
+		if (ppc_md.hpte_updatepp(slot, rflags, va, 1, local) == -1)
 			pte_val(old_pte) &= ~_PAGE_HPTEFLAGS;
 	}
 
@@ -661,10 +661,10 @@ repeat:
 
 		/* Add in WIMG bits */
 		/* XXX We should store these in the pte */
-		hpteflags |= _PAGE_COHERENT;
+		rflags |= _PAGE_COHERENT;
 
-		slot = ppc_md.hpte_insert(hpte_group, va, prpn, 0,
-					  hpteflags, 0, 1);
+		slot = ppc_md.hpte_insert(hpte_group, va, prpn,
+					  HPTE_V_LARGE, rflags);
 
 		/* Primary is full, try the secondary */
 		if (unlikely(slot == -1)) {
@@ -672,7 +672,7 @@ repeat:
 			hpte_group = ((~hash & htab_hash_mask) *
 				      HPTES_PER_GROUP) & ~0x7UL; 
 			slot = ppc_md.hpte_insert(hpte_group, va, prpn,
-						  1, hpteflags, 0, 1);
+						  HPTE_V_LARGE, rflags);
 			if (slot == -1) {
 				if (mftb() & 0x1)
 					hpte_group = ((hash & htab_hash_mask) * HPTES_PER_GROUP) & ~0x7UL;
diff --git a/arch/ppc64/mm/init.c b/arch/ppc64/mm/init.c
index b50b3a446db..e58a24d4287 100644
--- a/arch/ppc64/mm/init.c
+++ b/arch/ppc64/mm/init.c
@@ -180,9 +180,10 @@ static int map_io_page(unsigned long ea, unsigned long pa, int flags)
 		hpteg = ((hash & htab_hash_mask) * HPTES_PER_GROUP);
 
 		/* Panic if a pte grpup is full */
-		if (ppc_md.hpte_insert(hpteg, va, pa >> PAGE_SHIFT, 0,
-				       _PAGE_NO_CACHE|_PAGE_GUARDED|PP_RWXX,
-				       1, 0) == -1) {
+		if (ppc_md.hpte_insert(hpteg, va, pa >> PAGE_SHIFT,
+				       HPTE_V_BOLTED,
+				       _PAGE_NO_CACHE|_PAGE_GUARDED|PP_RWXX)
+		    == -1) {
 			panic("map_io_page: could not insert mapping");
 		}
 	}
diff --git a/arch/s390/kernel/compat_linux.c b/arch/s390/kernel/compat_linux.c
index 61405622287..18610cea03a 100644
--- a/arch/s390/kernel/compat_linux.c
+++ b/arch/s390/kernel/compat_linux.c
@@ -58,6 +58,7 @@
 #include <linux/compat.h>
 #include <linux/vfs.h>
 #include <linux/ptrace.h>
+#include <linux/fadvise.h>
 
 #include <asm/types.h>
 #include <asm/ipc.h>
@@ -1043,3 +1044,40 @@ sys32_timer_create(clockid_t which_clock, struct compat_sigevent *se32,
 
 	return ret;
 }
+
+/*
+ * 31 bit emulation wrapper functions for sys_fadvise64/fadvise64_64.
+ * These need to rewrite the advise values for POSIX_FADV_{DONTNEED,NOREUSE}
+ * because the 31 bit values differ from the 64 bit values.
+ */
+
+asmlinkage long
+sys32_fadvise64(int fd, loff_t offset, size_t len, int advise)
+{
+	if (advise == 4)
+		advise = POSIX_FADV_DONTNEED;
+	else if (advise == 5)
+		advise = POSIX_FADV_NOREUSE;
+	return sys_fadvise64(fd, offset, len, advise);
+}
+
+struct fadvise64_64_args {
+	int fd;
+	long long offset;
+	long long len;
+	int advice;
+};
+
+asmlinkage long
+sys32_fadvise64_64(struct fadvise64_64_args __user *args)
+{
+	struct fadvise64_64_args a;
+
+	if ( copy_from_user(&a, args, sizeof(a)) )
+		return -EFAULT;
+	if (a.advice == 4)
+		a.advice = POSIX_FADV_DONTNEED;
+	else if (a.advice == 5)
+		a.advice = POSIX_FADV_NOREUSE;
+	return sys_fadvise64_64(a.fd, a.offset, a.len, a.advice);
+}
diff --git a/arch/s390/kernel/compat_wrapper.S b/arch/s390/kernel/compat_wrapper.S
index bf529739c8a..799a98eac92 100644
--- a/arch/s390/kernel/compat_wrapper.S
+++ b/arch/s390/kernel/compat_wrapper.S
@@ -1251,12 +1251,12 @@ sys32_fadvise64_wrapper:
 	or	%r3,%r4			# get low word of 64bit loff_t
 	llgfr	%r4,%r5			# size_t (unsigned long)
 	lgfr	%r5,%r6			# int
-	jg	sys_fadvise64
+	jg	sys32_fadvise64
 
 	.globl	sys32_fadvise64_64_wrapper
 sys32_fadvise64_64_wrapper:
 	llgtr	%r2,%r2			# struct fadvise64_64_args *
-	jg	s390_fadvise64_64
+	jg	sys32_fadvise64_64
 
 	.globl	sys32_clock_settime_wrapper
 sys32_clock_settime_wrapper:
diff --git a/arch/um/Kconfig_net b/arch/um/Kconfig_net
index 1c2f9a70d91..fa2ab2dd78b 100644
--- a/arch/um/Kconfig_net
+++ b/arch/um/Kconfig_net
@@ -135,7 +135,7 @@ config UML_NET_MCAST
 
 config UML_NET_PCAP
 	bool "pcap transport"
-	depends on UML_NET && BROKEN
+	depends on UML_NET && EXPERIMENTAL
 	help
 	The pcap transport makes a pcap packet stream on the host look
 	like an ethernet device inside UML.  This is useful for making 
diff --git a/arch/um/Makefile b/arch/um/Makefile
index 4a375bbac10..eb4ac403bd9 100644
--- a/arch/um/Makefile
+++ b/arch/um/Makefile
@@ -51,25 +51,26 @@ MRPROPER_DIRS	+= $(ARCH_DIR)/include2
 endif
 SYS_DIR		:= $(ARCH_DIR)/include/sysdep-$(SUBARCH)
 
-include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
+# -Dvmap=kernel_vmap affects everything, and prevents anything from
+# referencing the libpcap.o symbol so named.
+
+CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
+	$(ARCH_INCLUDE) $(MODE_INCLUDE) -Dvmap=kernel_vmap
 
-core-y += $(SUBARCH_CORE)
-libs-y += $(SUBARCH_LIBS)
+USER_CFLAGS := $(patsubst -I%,,$(CFLAGS))
+USER_CFLAGS := $(patsubst -D__KERNEL__,,$(USER_CFLAGS)) $(ARCH_INCLUDE) \
+	$(MODE_INCLUDE)
 
 # -Derrno=kernel_errno - This turns all kernel references to errno into
 # kernel_errno to separate them from the libc errno.  This allows -fno-common
 # in CFLAGS.  Otherwise, it would cause ld to complain about the two different
 # errnos.
 
-CFLAGS += $(CFLAGS-y) -D__arch_um__ -DSUBARCH=\"$(SUBARCH)\" \
-	$(ARCH_INCLUDE) $(MODE_INCLUDE)
-
-USER_CFLAGS := $(patsubst -I%,,$(CFLAGS))
-USER_CFLAGS := $(patsubst -D__KERNEL__,,$(USER_CFLAGS)) $(ARCH_INCLUDE) \
-	$(MODE_INCLUDE) $(ARCH_USER_CFLAGS)
 CFLAGS += -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask
 CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
 
+include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
+
 #This will adjust *FLAGS accordingly to the platform.
 include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
 
@@ -116,18 +117,19 @@ CONFIG_KERNEL_STACK_ORDER ?= 2
 STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] )
 
 ifndef START
-  START = $$(($(TOP_ADDR) - $(SIZE)))
+  START = $(shell echo $$[ $(TOP_ADDR) - $(SIZE) ] )
 endif
 
-CPPFLAGS_vmlinux.lds = $(shell echo -U$(SUBARCH) \
+CPPFLAGS_vmlinux.lds = -U$(SUBARCH) \
 	-DSTART=$(START) -DELF_ARCH=$(ELF_ARCH) \
-	-DELF_FORMAT=\"$(ELF_FORMAT)\" $(CPP_MODE-y) \
-	-DKERNEL_STACK_SIZE=$(STACK_SIZE) -DSUBARCH=$(SUBARCH))
+	-DELF_FORMAT="$(ELF_FORMAT)" $(CPP_MODE-y) \
+	-DKERNEL_STACK_SIZE=$(STACK_SIZE) \
+	-DUNMAP_PATH=arch/um/sys-$(SUBARCH)/unmap_fin.o
 
 #The wrappers will select whether using "malloc" or the kernel allocator.
 LINK_WRAPS = -Wl,--wrap,malloc -Wl,--wrap,free -Wl,--wrap,calloc
 
-CFLAGS_vmlinux = $(LINK-y) $(LINK_WRAPS)
+CFLAGS_vmlinux := $(LINK-y) $(LINK_WRAPS)
 define cmd_vmlinux__
 	$(CC) $(CFLAGS_vmlinux) -o $@ \
 	-Wl,-T,$(vmlinux-lds) $(vmlinux-init) \
diff --git a/arch/um/Makefile-i386 b/arch/um/Makefile-i386
index 301059062a3..93d0818fa81 100644
--- a/arch/um/Makefile-i386
+++ b/arch/um/Makefile-i386
@@ -1,4 +1,4 @@
-SUBARCH_CORE := arch/um/sys-i386/ arch/i386/crypto/
+core-y += arch/um/sys-i386/ arch/i386/crypto/
 
 TOP_ADDR := $(CONFIG_TOP_ADDR)
 
@@ -8,21 +8,32 @@ ifeq ($(CONFIG_MODE_SKAS),y)
   endif
 endif
 
+LDFLAGS			+= -m elf_i386
+ELF_ARCH		:= $(SUBARCH)
+ELF_FORMAT 		:= elf32-$(SUBARCH)
+OBJCOPYFLAGS  		:= -O binary -R .note -R .comment -S
+
+ifeq ("$(origin SUBARCH)", "command line")
+ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)")
+CFLAGS			+= $(call cc-option,-m32)
+USER_CFLAGS		+= $(call cc-option,-m32)
+HOSTCFLAGS		+= $(call cc-option,-m32)
+HOSTLDFLAGS		+= $(call cc-option,-m32)
+AFLAGS			+= $(call cc-option,-m32)
+LINK-y			+= $(call cc-option,-m32)
+UML_OBJCOPYFLAGS	+= -F $(ELF_FORMAT)
+
+export LDFLAGS HOSTCFLAGS HOSTLDFLAGS UML_OBJCOPYFLAGS
+endif
+endif
+
 CFLAGS += -U__$(SUBARCH)__ -U$(SUBARCH) $(STUB_CFLAGS)
-ARCH_USER_CFLAGS :=
 
 ifneq ($(CONFIG_GPROF),y)
 ARCH_CFLAGS += -DUM_FASTCALL
 endif
 
-ELF_ARCH := $(SUBARCH)
-ELF_FORMAT := elf32-$(SUBARCH)
-
-OBJCOPYFLAGS  := -O binary -R .note -R .comment -S
-
-SYS_UTIL_DIR	:= $(ARCH_DIR)/sys-i386/util
-
-SYS_HEADERS := $(SYS_DIR)/sc.h $(SYS_DIR)/thread.h
+SYS_HEADERS	:= $(SYS_DIR)/sc.h $(SYS_DIR)/thread.h
 
 prepare: $(SYS_HEADERS)
 
diff --git a/arch/um/Makefile-x86_64 b/arch/um/Makefile-x86_64
index d80bd0052e6..aa2f7174ebc 100644
--- a/arch/um/Makefile-x86_64
+++ b/arch/um/Makefile-x86_64
@@ -1,11 +1,13 @@
 # Copyright 2003 - 2004 Pathscale, Inc
 # Released under the GPL
 
-SUBARCH_LIBS := arch/um/sys-x86_64/
+libs-y += arch/um/sys-x86_64/
 START := 0x60000000
 
+#We #undef __x86_64__ for kernelspace, not for userspace where
+#it's needed for headers to work!
 CFLAGS += -U__$(SUBARCH)__ -fno-builtin $(STUB_CFLAGS)
-ARCH_USER_CFLAGS := -D__x86_64__
+USER_CFLAGS += -fno-builtin
 
 ELF_ARCH := i386:x86-64
 ELF_FORMAT := elf64-x86-64
diff --git a/arch/um/drivers/Makefile b/arch/um/drivers/Makefile
index b2de9916c32..d6c31a95b88 100644
--- a/arch/um/drivers/Makefile
+++ b/arch/um/drivers/Makefile
@@ -10,7 +10,6 @@ slip-objs := slip_kern.o slip_user.o
 slirp-objs := slirp_kern.o slirp_user.o
 daemon-objs := daemon_kern.o daemon_user.o
 mcast-objs := mcast_kern.o mcast_user.o
-#pcap-objs := pcap_kern.o pcap_user.o $(PCAP)
 net-objs := net_kern.o net_user.o
 mconsole-objs := mconsole_kern.o mconsole_user.o
 hostaudio-objs := hostaudio_kern.o
@@ -18,6 +17,17 @@ ubd-objs := ubd_kern.o ubd_user.o
 port-objs := port_kern.o port_user.o
 harddog-objs := harddog_kern.o harddog_user.o
 
+LDFLAGS_pcap.o := -r $(shell $(CC) $(CFLAGS) -print-file-name=libpcap.a)
+
+$(obj)/pcap.o: $(obj)/pcap_kern.o $(obj)/pcap_user.o
+	$(LD) -r -dp -o $@ $^ $(LDFLAGS) $(LDFLAGS_pcap.o)
+#XXX: The call below does not work because the flags are added before the
+# object name, so nothing from the library gets linked.
+#$(call if_changed,ld)
+
+# When the above is fixed, don't forget to add this too!
+#targets := $(obj)/pcap.o
+
 obj-y := stdio_console.o fd.o chan_kern.o chan_user.o line.o
 obj-$(CONFIG_SSL) += ssl.o
 obj-$(CONFIG_STDERR_CONSOLE) += stderr_console.o
@@ -26,7 +36,7 @@ obj-$(CONFIG_UML_NET_SLIP) += slip.o slip_common.o
 obj-$(CONFIG_UML_NET_SLIRP) += slirp.o slip_common.o
 obj-$(CONFIG_UML_NET_DAEMON) += daemon.o 
 obj-$(CONFIG_UML_NET_MCAST) += mcast.o 
-#obj-$(CONFIG_UML_NET_PCAP) += pcap.o $(PCAP)
+obj-$(CONFIG_UML_NET_PCAP) += pcap.o
 obj-$(CONFIG_UML_NET) += net.o 
 obj-$(CONFIG_MCONSOLE) += mconsole.o
 obj-$(CONFIG_MMAPPER) += mmapper_kern.o 
@@ -41,6 +51,7 @@ obj-$(CONFIG_UML_WATCHDOG) += harddog.o
 obj-$(CONFIG_BLK_DEV_COW_COMMON) += cow_user.o
 obj-$(CONFIG_UML_RANDOM) += random.o
 
-USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o
+# pcap_user.o must be added explicitly.
+USER_OBJS := fd.o null.o pty.o tty.o xterm.o slip_common.o pcap_user.o
 
 include arch/um/scripts/Makefile.rules
diff --git a/arch/um/kernel/uml.lds.S b/arch/um/kernel/uml.lds.S
index 163476a8cb1..b03326d391c 100644
--- a/arch/um/kernel/uml.lds.S
+++ b/arch/um/kernel/uml.lds.S
@@ -16,8 +16,8 @@ SECTIONS
   __binary_start = .;
 
 #ifdef MODE_TT
-  .remap_data : { arch/um/sys-SUBARCH/unmap_fin.o (.data .bss) }
-  .remap : { arch/um/sys-SUBARCH/unmap_fin.o (.text) }
+  .remap_data : { UNMAP_PATH (.data .bss) }
+  .remap : { UNMAP_PATH (.text) }
 
   . = ALIGN(4096);		/* Init code and data */
 #endif
diff --git a/arch/um/scripts/Makefile.unmap b/arch/um/scripts/Makefile.unmap
index 37a8f976529..802d027a1e1 100644
--- a/arch/um/scripts/Makefile.unmap
+++ b/arch/um/scripts/Makefile.unmap
@@ -12,8 +12,8 @@ $(obj)/unmap.o: _c_flags = $(call unprofile,$(CFLAGS))
 
 quiet_cmd_wrapld = LD      $@
 define cmd_wrapld
-	$(LD) -r -o $(obj)/unmap_tmp.o $< $(shell $(CC) -print-file-name=libc.a); \
-	$(OBJCOPY) $(obj)/unmap_tmp.o $@ -G switcheroo
+	$(LD) $(LDFLAGS) -r -o $(obj)/unmap_tmp.o $< $(shell $(CC) $(CFLAGS) -print-file-name=libc.a); \
+	$(OBJCOPY) $(UML_OBJCOPYFLAGS) $(obj)/unmap_tmp.o $@ -G switcheroo
 endef
 
 $(obj)/unmap_fin.o : $(obj)/unmap.o FORCE
diff --git a/arch/um/sys-i386/ldt.c b/arch/um/sys-i386/ldt.c
index dc755b0b9db..bd3c34aa52e 100644
--- a/arch/um/sys-i386/ldt.c
+++ b/arch/um/sys-i386/ldt.c
@@ -4,96 +4,106 @@
  */
 
 #include "linux/config.h"
+#include "linux/sched.h"
 #include "linux/slab.h"
+#include "linux/types.h"
 #include "asm/uaccess.h"
 #include "asm/ptrace.h"
+#include "asm/smp.h"
+#include "asm/ldt.h"
 #include "choose-mode.h"
 #include "kern.h"
+#include "mode_kern.h"
 
 #ifdef CONFIG_MODE_TT
-extern int modify_ldt(int func, void *ptr, unsigned long bytecount);
 
-/* XXX this needs copy_to_user and copy_from_user */
+extern int modify_ldt(int func, void *ptr, unsigned long bytecount);
 
-int sys_modify_ldt_tt(int func, void __user *ptr, unsigned long bytecount)
+static int do_modify_ldt_tt(int func, void *ptr, unsigned long bytecount)
 {
-	if (!access_ok(VERIFY_READ, ptr, bytecount))
-		return -EFAULT;
-
 	return modify_ldt(func, ptr, bytecount);
 }
+
 #endif
 
 #ifdef CONFIG_MODE_SKAS
-extern int userspace_pid[];
 
+#include "skas.h"
 #include "skas_ptrace.h"
 
-int sys_modify_ldt_skas(int func, void __user *ptr, unsigned long bytecount)
+static int do_modify_ldt_skas(int func, void *ptr, unsigned long bytecount)
 {
 	struct ptrace_ldt ldt;
-	void *buf;
-	int res, n;
+	u32 cpu;
+	int res;
 
-	buf = kmalloc(bytecount, GFP_KERNEL);
-	if(buf == NULL)
-		return(-ENOMEM);
+	ldt = ((struct ptrace_ldt) { .func	= func,
+				     .ptr	= ptr,
+				     .bytecount = bytecount });
 
-	res = 0;
+	cpu = get_cpu();
+	res = ptrace(PTRACE_LDT, userspace_pid[cpu], 0, (unsigned long) &ldt);
+	put_cpu();
+
+	return res;
+}
+#endif
+
+int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)
+{
+	struct user_desc info;
+	int res = 0;
+	void *buf = NULL;
+	void *p = NULL; /* What we pass to host. */
 
 	switch(func){
 	case 1:
-	case 0x11:
-		res = copy_from_user(buf, ptr, bytecount);
-		break;
-	}
+	case 0x11: /* write_ldt */
+		/* Do this check now to avoid overflows. */
+		if (bytecount != sizeof(struct user_desc)) {
+			res = -EINVAL;
+			goto out;
+		}
+
+		if(copy_from_user(&info, ptr, sizeof(info))) {
+			res = -EFAULT;
+			goto out;
+		}
 
-	if(res != 0){
-		res = -EFAULT;
+		p = &info;
+		break;
+	case 0:
+	case 2: /* read_ldt */
+
+		/* The use of info avoids kmalloc on the write case, not on the
+		 * read one. */
+		buf = kmalloc(bytecount, GFP_KERNEL);
+		if (!buf) {
+			res = -ENOMEM;
+			goto out;
+		}
+		p = buf;
+	default:
+		res = -ENOSYS;
 		goto out;
 	}
 
-	ldt = ((struct ptrace_ldt) { .func	= func,
-				     .ptr	= buf,
-				     .bytecount = bytecount });
-#warning Need to look up userspace_pid by cpu
-	res = ptrace(PTRACE_LDT, userspace_pid[0], 0, (unsigned long) &ldt);
+	res = CHOOSE_MODE_PROC(do_modify_ldt_tt, do_modify_ldt_skas, func,
+				p, bytecount);
 	if(res < 0)
 		goto out;
 
 	switch(func){
 	case 0:
 	case 2:
-		n = res;
-		res = copy_to_user(ptr, buf, n);
-		if(res != 0)
+		/* Modify_ldt was for reading and returned the number of read
+		 * bytes.*/
+		if(copy_to_user(ptr, p, res))
 			res = -EFAULT;
-		else 
-			res = n;
 		break;
 	}
 
- out:
+out:
 	kfree(buf);
-	return(res);
-}
-#endif
-
-int sys_modify_ldt(int func, void __user *ptr, unsigned long bytecount)
-{
-	return(CHOOSE_MODE_PROC(sys_modify_ldt_tt, sys_modify_ldt_skas, func, 
-				ptr, bytecount));
+	return res;
 }
-
-
-
-/*
- * Overrides for Emacs so that we follow Linus's tabbing style.
- * Emacs will notice this stuff at the end of the file and automatically
- * adjust the settings for this buffer only.  This must remain at the end
- * of the file.
- * ---------------------------------------------------------------------------
- * Local variables:
- * c-file-style: "linux"
- * End:
- */
diff --git a/arch/um/sys-i386/unmap.c b/arch/um/sys-i386/unmap.c
index 136875263d2..1b0ad0e4adc 100644
--- a/arch/um/sys-i386/unmap.c
+++ b/arch/um/sys-i386/unmap.c
@@ -15,7 +15,7 @@ int switcheroo(int fd, int prot, void *from, void *to, int size)
 	if(munmap(to, size) < 0){
 		return(-1);
 	}
-	if(mmap2(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) != to){
+	if(mmap2(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1 ){
 		return(-1);
 	}
 	if(munmap(from, size) < 0){
diff --git a/arch/um/sys-x86_64/signal.c b/arch/um/sys-x86_64/signal.c
index 73a7926f737..8fdaed06c10 100644
--- a/arch/um/sys-x86_64/signal.c
+++ b/arch/um/sys-x86_64/signal.c
@@ -168,7 +168,7 @@ int setup_signal_stack_si(unsigned long stack_top, int sig,
 
 	frame = (struct rt_sigframe __user *)
 		round_down(stack_top - sizeof(struct rt_sigframe), 16) - 8;
-	((unsigned char *) frame) -= 128;
+        frame = (struct rt_sigframe *) ((unsigned long) frame - 128);
 
 	if (!access_ok(VERIFY_WRITE, fp, sizeof(struct _fpstate)))
 		goto out;
diff --git a/arch/um/sys-x86_64/unmap.c b/arch/um/sys-x86_64/unmap.c
index bc7094cce47..f4a4bffd8a1 100644
--- a/arch/um/sys-x86_64/unmap.c
+++ b/arch/um/sys-x86_64/unmap.c
@@ -15,7 +15,7 @@ int switcheroo(int fd, int prot, void *from, void *to, int size)
 	if(munmap(to, size) < 0){
 		return(-1);
 	}
-	if(mmap(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) != to){
+	if(mmap(to, size, prot, MAP_SHARED | MAP_FIXED, fd, 0) == (void*) -1){
 		return(-1);
 	}
 	if(munmap(from, size) < 0){
diff --git a/arch/v850/kernel/vmlinux.lds.S b/arch/v850/kernel/vmlinux.lds.S
index bbd3429bcff..c366a8b326e 100644
--- a/arch/v850/kernel/vmlinux.lds.S
+++ b/arch/v850/kernel/vmlinux.lds.S
@@ -1,8 +1,8 @@
 /*
  * arch/v850/vmlinux.lds.S -- kernel linker script for v850 platforms
  *
- *  Copyright (C) 2002,03,04  NEC Electronics Corporation
- *  Copyright (C) 2002,03,04  Miles Bader <miles@gnu.org>
+ *  Copyright (C) 2002,03,04,05  NEC Electronics Corporation
+ *  Copyright (C) 2002,03,04,05  Miles Bader <miles@gnu.org>
  *
  * This file is subject to the terms and conditions of the GNU General
  * Public License.  See the file COPYING in the main directory of this
@@ -61,6 +61,7 @@
 			*(__kcrctab_gpl)				      \
 		___stop___kcrctab_gpl = .;				      \
 		/* Built-in module parameters */			      \
+		. = ALIGN (4) ;						      \
 		___start___param = .;					      \
 		*(__param)						      \
 		___stop___param = .;
diff --git a/arch/x86_64/ia32/syscall32.c b/arch/x86_64/ia32/syscall32.c
index 01d8db1a1c0..816a3b89f13 100644
--- a/arch/x86_64/ia32/syscall32.c
+++ b/arch/x86_64/ia32/syscall32.c
@@ -57,6 +57,7 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
 	int npages = (VSYSCALL32_END - VSYSCALL32_BASE) >> PAGE_SHIFT;
 	struct vm_area_struct *vma;
 	struct mm_struct *mm = current->mm;
+	int ret;
 
 	vma = kmem_cache_alloc(vm_area_cachep, SLAB_KERNEL);
 	if (!vma)
@@ -78,7 +79,11 @@ int syscall32_setup_pages(struct linux_binprm *bprm, int exstack)
 	vma->vm_mm = mm;
 
 	down_write(&mm->mmap_sem);
-	insert_vm_struct(mm, vma);
+	if ((ret = insert_vm_struct(mm, vma))) {
+		up_write(&mm->mmap_sem);
+		kmem_cache_free(vm_area_cachep, vma);
+		return ret;
+	}
 	mm->total_vm += npages;
 	up_write(&mm->mmap_sem);
 	return 0;