Merge branch 'master' into for-linus

15 files changed, 133 insertions, 102 deletions

diff --git a/arch/microblaze/configs/mmu_defconfig b/arch/microblaze/configs/mmu_defconfig
index bd0b85ec38f..09c32962b66 100644
--- a/arch/microblaze/configs/mmu_defconfig
+++ b/arch/microblaze/configs/mmu_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30-rc6
-# Fri May 22 10:02:33 2009
+# Linux kernel version: 2.6.31-rc6
+# Tue Aug 18 11:00:02 2009
 #
 CONFIG_MICROBLAZE=y
 # CONFIG_SWAP is not set
@@ -18,7 +18,11 @@ CONFIG_GENERIC_TIME=y
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
 CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_CSUM=y
+# CONFIG_PCI is not set
+CONFIG_NO_DMA=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -59,8 +63,8 @@ CONFIG_INITRAMFS_ROOT_GID=0
 CONFIG_RD_GZIP=y
 # CONFIG_RD_BZIP2 is not set
 # CONFIG_RD_LZMA is not set
-CONFIG_INITRAMFS_COMPRESSION_NONE=y
-# CONFIG_INITRAMFS_COMPRESSION_GZIP is not set
+# CONFIG_INITRAMFS_COMPRESSION_NONE is not set
+CONFIG_INITRAMFS_COMPRESSION_GZIP=y
 # CONFIG_INITRAMFS_COMPRESSION_BZIP2 is not set
 # CONFIG_INITRAMFS_COMPRESSION_LZMA is not set
 # CONFIG_CC_OPTIMIZE_FOR_SIZE is not set
@@ -71,7 +75,6 @@ CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
-# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_HOTPLUG is not set
 CONFIG_PRINTK=y
 CONFIG_BUG=y
@@ -84,13 +87,22 @@ CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 # CONFIG_SHMEM is not set
 CONFIG_AIO=y
+
+#
+# Performance Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
+
+#
+# GCOV-based kernel profiling
+#
 # CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
@@ -102,7 +114,7 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
+CONFIG_LBDAF=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -194,9 +206,9 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
 CONFIG_HAVE_MLOCK=y
 CONFIG_HAVE_MLOCKED_PAGE_BIT=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 
 #
 # Exectuable file formats
@@ -262,6 +274,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 # CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set
 
@@ -325,7 +338,6 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-CONFIG_COMPAT_NET_DEV_OPS=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -344,7 +356,7 @@ CONFIG_NET_ETHERNET=y
 # CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
-# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
 
@@ -410,6 +422,11 @@ CONFIG_LEGACY_PTY_COUNT=256
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
 # CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
 CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 # CONFIG_GPIOLIB is not set
 # CONFIG_W1 is not set
@@ -418,12 +435,6 @@ CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
 # CONFIG_THERMAL is not set
 # CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
-CONFIG_SSB_POSSIBLE=y
-
-#
-# Sonics Silicon Backplane
-#
-# CONFIG_SSB is not set
 
 #
 # Multifunction device drivers
@@ -433,22 +444,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-# CONFIG_DAB is not set
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -469,9 +465,12 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-# CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
@@ -485,12 +484,15 @@ CONFIG_EXT2_FS=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 # CONFIG_FS_POSIX_ACL is not set
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
@@ -678,6 +680,7 @@ CONFIG_DEBUG_INFO=y
 # CONFIG_SYSCTL_SYSCALL_CHECK is not set
 # CONFIG_PAGE_POISONING is not set
 # CONFIG_SAMPLES is not set
+# CONFIG_KMEMCHECK is not set
 CONFIG_EARLY_PRINTK=y
 CONFIG_HEART_BEAT=y
 CONFIG_DEBUG_BOOTMEM=y
@@ -793,6 +796,5 @@ CONFIG_ZLIB_INFLATE=y
 CONFIG_DECOMPRESS_GZIP=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
-CONFIG_HAS_DMA=y
 CONFIG_HAVE_LMB=y
 CONFIG_NLATTR=y
diff --git a/arch/microblaze/configs/nommu_defconfig b/arch/microblaze/configs/nommu_defconfig
index 4ef6af0a8f3..8b638615a97 100644
--- a/arch/microblaze/configs/nommu_defconfig
+++ b/arch/microblaze/configs/nommu_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.30-rc5
-# Mon May 11 09:01:02 2009
+# Linux kernel version: 2.6.31-rc6
+# Tue Aug 18 10:35:30 2009
 #
 CONFIG_MICROBLAZE=y
 # CONFIG_SWAP is not set
@@ -17,9 +17,12 @@ CONFIG_GENERIC_TIME=y
 # CONFIG_GENERIC_TIME_VSYSCALL is not set
 CONFIG_GENERIC_CLOCKEVENTS=y
 CONFIG_GENERIC_HARDIRQS_NO__DO_IRQ=y
+CONFIG_GENERIC_GPIO=y
+CONFIG_GENERIC_CSUM=y
 # CONFIG_PCI is not set
-# CONFIG_NO_DMA is not set
+CONFIG_NO_DMA=y
 CONFIG_DEFCONFIG_LIST="/lib/modules/$UNAME_RELEASE/.config"
+CONFIG_CONSTRUCTORS=y
 
 #
 # General setup
@@ -64,7 +67,6 @@ CONFIG_SYSCTL_SYSCALL=y
 CONFIG_KALLSYMS=y
 CONFIG_KALLSYMS_ALL=y
 CONFIG_KALLSYMS_EXTRA_PASS=y
-# CONFIG_STRIP_ASM_SYMS is not set
 # CONFIG_HOTPLUG is not set
 CONFIG_PRINTK=y
 CONFIG_BUG=y
@@ -76,13 +78,23 @@ CONFIG_SIGNALFD=y
 CONFIG_TIMERFD=y
 CONFIG_EVENTFD=y
 CONFIG_AIO=y
+
+#
+# Performance Counters
+#
 CONFIG_VM_EVENT_COUNTERS=y
+# CONFIG_STRIP_ASM_SYMS is not set
 CONFIG_COMPAT_BRK=y
 CONFIG_SLAB=y
 # CONFIG_SLUB is not set
 # CONFIG_SLOB is not set
 # CONFIG_PROFILING is not set
 # CONFIG_MARKERS is not set
+
+#
+# GCOV-based kernel profiling
+#
+# CONFIG_GCOV_KERNEL is not set
 # CONFIG_SLOW_WORK is not set
 # CONFIG_HAVE_GENERIC_DMA_COHERENT is not set
 CONFIG_SLABINFO=y
@@ -95,7 +107,7 @@ CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_BLOCK=y
-# CONFIG_LBD is not set
+CONFIG_LBDAF=y
 # CONFIG_BLK_DEV_BSG is not set
 # CONFIG_BLK_DEV_INTEGRITY is not set
 
@@ -156,8 +168,16 @@ CONFIG_CMDLINE_BOOL=y
 CONFIG_CMDLINE="console=ttyUL0,115200"
 # CONFIG_CMDLINE_FORCE is not set
 CONFIG_OF=y
-CONFIG_OF_DEVICE=y
 CONFIG_PROC_DEVICETREE=y
+
+#
+# Advanced setup
+#
+
+#
+# Default settings for advanced configuration options are used
+#
+CONFIG_KERNEL_START=0x90000000
 CONFIG_SELECT_MEMORY_MODEL=y
 CONFIG_FLATMEM_MANUAL=y
 # CONFIG_DISCONTIGMEM_MANUAL is not set
@@ -169,7 +189,7 @@ CONFIG_SPLIT_PTLOCK_CPUS=4
 # CONFIG_PHYS_ADDR_T_64BIT is not set
 CONFIG_ZONE_DMA_FLAG=0
 CONFIG_VIRT_TO_BUS=y
-CONFIG_UNEVICTABLE_LRU=y
+CONFIG_DEFAULT_MMAP_MIN_ADDR=4096
 CONFIG_NOMMU_INITIAL_TRIM_EXCESS=1
 
 #
@@ -237,6 +257,7 @@ CONFIG_DEFAULT_TCP_CONG="cubic"
 # CONFIG_ECONET is not set
 # CONFIG_WAN_ROUTER is not set
 # CONFIG_PHONET is not set
+# CONFIG_IEEE802154 is not set
 # CONFIG_NET_SCHED is not set
 # CONFIG_DCB is not set
 
@@ -254,7 +275,11 @@ CONFIG_WIRELESS=y
 CONFIG_WIRELESS_OLD_REGULATORY=y
 # CONFIG_WIRELESS_EXT is not set
 # CONFIG_LIB80211 is not set
-# CONFIG_MAC80211 is not set
+
+#
+# CFG80211 needs to be enabled for MAC80211
+#
+CONFIG_MAC80211_DEFAULT_PS_VALUE=0
 # CONFIG_WIMAX is not set
 # CONFIG_RFKILL is not set
 # CONFIG_NET_9P is not set
@@ -353,6 +378,7 @@ CONFIG_MTD_UCLINUX=y
 # UBI - Unsorted block images
 #
 # CONFIG_MTD_UBI is not set
+CONFIG_OF_DEVICE=y
 # CONFIG_PARPORT is not set
 CONFIG_BLK_DEV=y
 # CONFIG_BLK_DEV_COW_COMMON is not set
@@ -364,6 +390,7 @@ CONFIG_BLK_DEV_RAM_SIZE=4096
 # CONFIG_BLK_DEV_XIP is not set
 # CONFIG_CDROM_PKTCDVD is not set
 # CONFIG_ATA_OVER_ETH is not set
+# CONFIG_XILINX_SYSACE is not set
 CONFIG_MISC_DEVICES=y
 # CONFIG_ENCLOSURE_SERVICES is not set
 # CONFIG_C2PORT is not set
@@ -383,7 +410,6 @@ CONFIG_MISC_DEVICES=y
 # CONFIG_ATA is not set
 # CONFIG_MD is not set
 CONFIG_NETDEVICES=y
-CONFIG_COMPAT_NET_DEV_OPS=y
 # CONFIG_DUMMY is not set
 # CONFIG_BONDING is not set
 # CONFIG_MACVLAN is not set
@@ -402,7 +428,7 @@ CONFIG_NET_ETHERNET=y
 # CONFIG_IBM_NEW_EMAC_NO_FLOW_CTRL is not set
 # CONFIG_IBM_NEW_EMAC_MAL_CLR_ICINTSTAT is not set
 # CONFIG_IBM_NEW_EMAC_MAL_COMMON_ERR is not set
-# CONFIG_B44 is not set
+# CONFIG_KS8842 is not set
 CONFIG_NETDEV_1000=y
 CONFIG_NETDEV_10000=y
 
@@ -463,23 +489,25 @@ CONFIG_HW_RANDOM=y
 # CONFIG_HW_RANDOM_TIMERIOMEM is not set
 # CONFIG_RTC is not set
 # CONFIG_GEN_RTC is not set
+# CONFIG_XILINX_HWICAP is not set
 # CONFIG_R3964 is not set
 # CONFIG_RAW_DRIVER is not set
 # CONFIG_TCG_TPM is not set
 # CONFIG_I2C is not set
 # CONFIG_SPI is not set
+
+#
+# PPS support
+#
+# CONFIG_PPS is not set
+CONFIG_ARCH_WANT_OPTIONAL_GPIOLIB=y
+# CONFIG_GPIOLIB is not set
 # CONFIG_W1 is not set
 # CONFIG_POWER_SUPPLY is not set
 # CONFIG_HWMON is not set
 # CONFIG_THERMAL is not set
 # CONFIG_THERMAL_HWMON is not set
 # CONFIG_WATCHDOG is not set
-CONFIG_SSB_POSSIBLE=y
-
-#
-# Sonics Silicon Backplane
-#
-# CONFIG_SSB is not set
 
 #
 # Multifunction device drivers
@@ -489,22 +517,7 @@ CONFIG_SSB_POSSIBLE=y
 # CONFIG_HTC_PASIC3 is not set
 # CONFIG_MFD_TMIO is not set
 # CONFIG_REGULATOR is not set
-
-#
-# Multimedia devices
-#
-
-#
-# Multimedia core support
-#
-# CONFIG_VIDEO_DEV is not set
-# CONFIG_DVB_CORE is not set
-# CONFIG_VIDEO_MEDIA is not set
-
-#
-# Multimedia drivers
-#
-CONFIG_DAB=y
+# CONFIG_MEDIA_SUPPORT is not set
 
 #
 # Graphics support
@@ -520,9 +533,10 @@ CONFIG_VIDEO_OUTPUT_CONTROL=y
 # CONFIG_DISPLAY_SUPPORT is not set
 # CONFIG_SOUND is not set
 CONFIG_USB_SUPPORT=y
-# CONFIG_USB_ARCH_HAS_HCD is not set
+CONFIG_USB_ARCH_HAS_HCD=y
 # CONFIG_USB_ARCH_HAS_OHCI is not set
 # CONFIG_USB_ARCH_HAS_EHCI is not set
+# CONFIG_USB is not set
 # CONFIG_USB_OTG_WHITELIST is not set
 # CONFIG_USB_OTG_BLACKLIST_HUB is not set
 
@@ -543,9 +557,12 @@ CONFIG_USB_SUPPORT=y
 # CONFIG_NEW_LEDS is not set
 # CONFIG_ACCESSIBILITY is not set
 # CONFIG_RTC_CLASS is not set
-# CONFIG_DMADEVICES is not set
 # CONFIG_AUXDISPLAY is not set
 # CONFIG_UIO is not set
+
+#
+# TI VLYNQ
+#
 # CONFIG_STAGING is not set
 
 #
@@ -558,12 +575,15 @@ CONFIG_EXT2_FS=y
 # CONFIG_REISERFS_FS is not set
 # CONFIG_JFS_FS is not set
 CONFIG_FS_POSIX_ACL=y
-CONFIG_FILE_LOCKING=y
 # CONFIG_XFS_FS is not set
+# CONFIG_GFS2_FS is not set
 # CONFIG_OCFS2_FS is not set
 # CONFIG_BTRFS_FS is not set
+CONFIG_FILE_LOCKING=y
+CONFIG_FSNOTIFY=y
 # CONFIG_DNOTIFY is not set
 # CONFIG_INOTIFY is not set
+CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 # CONFIG_AUTOFS_FS is not set
 # CONFIG_AUTOFS4_FS is not set
@@ -813,6 +833,5 @@ CONFIG_GENERIC_FIND_LAST_BIT=y
 CONFIG_ZLIB_INFLATE=y
 CONFIG_HAS_IOMEM=y
 CONFIG_HAS_IOPORT=y
-CONFIG_HAS_DMA=y
 CONFIG_HAVE_LMB=y
 CONFIG_NLATTR=y
diff --git a/arch/microblaze/include/asm/hardirq.h b/arch/microblaze/include/asm/hardirq.h
index 41e1e1aa36a..cd1ac9aad56 100644
--- a/arch/microblaze/include/asm/hardirq.h
+++ b/arch/microblaze/include/asm/hardirq.h
@@ -12,8 +12,6 @@
 /* should be defined in each interrupt controller driver */
 extern unsigned int get_irq(struct pt_regs *regs);
 
-#define ack_bad_irq ack_bad_irq
-void ack_bad_irq(unsigned int irq);
 #include <asm-generic/hardirq.h>
 
 #endif /* _ASM_MICROBLAZE_HARDIRQ_H */
diff --git a/arch/microblaze/kernel/intc.c b/arch/microblaze/kernel/intc.c
index b15605299a5..6eea6f92b84 100644
--- a/arch/microblaze/kernel/intc.c
+++ b/arch/microblaze/kernel/intc.c
@@ -12,6 +12,7 @@
 #include <linux/irq.h>
 #include <asm/page.h>
 #include <linux/io.h>
+#include <linux/bug.h>
 
 #include <asm/prom.h>
 #include <asm/irq.h>
@@ -130,6 +131,7 @@ void __init init_IRQ(void)
 		if (intc)
 			break;
 	}
+	BUG_ON(!intc);
 
 	intc_baseaddr = *(int *) of_get_property(intc, "reg", NULL);
 	intc_baseaddr = (unsigned long) ioremap(intc_baseaddr, PAGE_SIZE);
diff --git a/arch/microblaze/kernel/irq.c b/arch/microblaze/kernel/irq.c
index f688ee93e3b..7d5ddd62d4d 100644
--- a/arch/microblaze/kernel/irq.c
+++ b/arch/microblaze/kernel/irq.c
@@ -30,15 +30,6 @@ unsigned int irq_of_parse_and_map(struct device_node *dev, int index)
 }
 EXPORT_SYMBOL_GPL(irq_of_parse_and_map);
 
-/*
- * 'what should we do if we get a hw irq event on an illegal vector'.
- * each architecture has to answer this themselves.
- */
-void ack_bad_irq(unsigned int irq)
-{
-	printk(KERN_WARNING "unexpected IRQ trap at vector %02x\n", irq);
-}
-
 static u32 concurrent_irq;
 
 void do_IRQ(struct pt_regs *regs)
diff --git a/arch/microblaze/kernel/syscall_table.S b/arch/microblaze/kernel/syscall_table.S
index 216db817beb..457216097df 100644
--- a/arch/microblaze/kernel/syscall_table.S
+++ b/arch/microblaze/kernel/syscall_table.S
@@ -313,7 +313,7 @@ ENTRY(sys_call_table)
 	.long sys_fchmodat
 	.long sys_faccessat
 	.long sys_ni_syscall /* pselect6 */
-	.long sys_ni_syscall /* sys_ppoll */
+	.long sys_ppoll
 	.long sys_unshare		/* 310 */
 	.long sys_set_robust_list
 	.long sys_get_robust_list
diff --git a/arch/microblaze/kernel/timer.c b/arch/microblaze/kernel/timer.c
index bdfa2f9f0c8..5499deae7fa 100644
--- a/arch/microblaze/kernel/timer.c
+++ b/arch/microblaze/kernel/timer.c
@@ -22,6 +22,7 @@
 #include <linux/clocksource.h>
 #include <linux/clockchips.h>
 #include <linux/io.h>
+#include <linux/bug.h>
 #include <asm/cpuinfo.h>
 #include <asm/setup.h>
 #include <asm/prom.h>
@@ -234,6 +235,7 @@ void __init time_init(void)
 		if (timer)
 			break;
 	}
+	BUG_ON(!timer);
 
 	timer_baseaddr = *(int *) of_get_property(timer, "reg", NULL);
 	timer_baseaddr = (unsigned long) ioremap(timer_baseaddr, PAGE_SIZE);
diff --git a/arch/microblaze/mm/init.c b/arch/microblaze/mm/init.c
index 8d92c4efe9a..f207f1a94db 100644
--- a/arch/microblaze/mm/init.c
+++ b/arch/microblaze/mm/init.c
@@ -130,13 +130,13 @@ void __init setup_memory(void)
 	 * (in case the address isn't page-aligned).
 	 */
 #ifndef CONFIG_MMU
-	map_size = init_bootmem_node(NODE_DATA(0), PFN_UP(TOPHYS((u32)_end)),
+	map_size = init_bootmem_node(NODE_DATA(0), PFN_UP(TOPHYS((u32)klimit)),
 					min_low_pfn, max_low_pfn);
 #else
 	map_size = init_bootmem_node(&contig_page_data,
-		PFN_UP(TOPHYS((u32)_end)), min_low_pfn, max_low_pfn);
+		PFN_UP(TOPHYS((u32)klimit)), min_low_pfn, max_low_pfn);
 #endif
-	lmb_reserve(PFN_UP(TOPHYS((u32)_end)) << PAGE_SHIFT, map_size);
+	lmb_reserve(PFN_UP(TOPHYS((u32)klimit)) << PAGE_SHIFT, map_size);
 
 	/* free bootmem is whole main memory */
 	free_bootmem(memory_start, memory_size);
diff --git a/arch/sparc/kernel/smp_64.c b/arch/sparc/kernel/smp_64.c
index fa44eaf8d89..3691907a43b 100644
--- a/arch/sparc/kernel/smp_64.c
+++ b/arch/sparc/kernel/smp_64.c
@@ -1499,7 +1499,7 @@ void __init setup_per_cpu_areas(void)
 	dyn_size = pcpur_size - static_size - PERCPU_MODULE_RESERVE;
 
 
-	ptrs_size = PFN_ALIGN(num_possible_cpus() * sizeof(pcpur_ptrs[0]));
+	ptrs_size = PFN_ALIGN(nr_cpu_ids * sizeof(pcpur_ptrs[0]));
 	pcpur_ptrs = alloc_bootmem(ptrs_size);
 
 	for_each_possible_cpu(cpu) {
@@ -1514,7 +1514,7 @@ void __init setup_per_cpu_areas(void)
 
 	/* allocate address and map */
 	vm.flags = VM_ALLOC;
-	vm.size = num_possible_cpus() * PCPU_CHUNK_SIZE;
+	vm.size = nr_cpu_ids * PCPU_CHUNK_SIZE;
 	vm_area_register_early(&vm, PCPU_CHUNK_SIZE);
 
 	for_each_possible_cpu(cpu) {
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h
index bddd44f2f0a..80e2984f521 100644
--- a/arch/x86/include/asm/uv/uv_bau.h
+++ b/arch/x86/include/asm/uv/uv_bau.h
@@ -133,7 +133,7 @@ struct bau_msg_payload {
  * see table 4.2.3.0.1 in broacast_assist spec.
  */
 struct bau_msg_header {
-	unsigned int dest_subnodeid:6;	/* must be zero */
+	unsigned int dest_subnodeid:6;	/* must be 0x10, for the LB */
 	/* bits 5:0 */
 	unsigned int base_dest_nodeid:15; /* nasid>>1 (pnode) of */
 	/* bits 20:6 */			  /* first bit in node_map */
diff --git a/arch/x86/kernel/apic/x2apic_uv_x.c b/arch/x86/kernel/apic/x2apic_uv_x.c
index 832e908adcb..601159374e8 100644
--- a/arch/x86/kernel/apic/x2apic_uv_x.c
+++ b/arch/x86/kernel/apic/x2apic_uv_x.c
@@ -46,7 +46,7 @@ static int early_get_nodeid(void)
 	return node_id.s.node_id;
 }
 
-static int uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
+static int __init uv_acpi_madt_oem_check(char *oem_id, char *oem_table_id)
 {
 	if (!strcmp(oem_id, "SGI")) {
 		if (!strcmp(oem_table_id, "UVL"))
@@ -253,7 +253,7 @@ static void uv_send_IPI_self(int vector)
 	apic_write(APIC_SELF_IPI, vector);
 }
 
-struct apic apic_x2apic_uv_x = {
+struct apic __refdata apic_x2apic_uv_x = {
 
 	.name				= "UV large system",
 	.probe				= NULL,
diff --git a/arch/x86/kernel/cpu/mcheck/mce.c b/arch/x86/kernel/cpu/mcheck/mce.c
index 1cfb623ce11..01213048f62 100644
--- a/arch/x86/kernel/cpu/mcheck/mce.c
+++ b/arch/x86/kernel/cpu/mcheck/mce.c
@@ -1226,8 +1226,13 @@ static void mce_init(void)
 }
 
 /* Add per CPU specific workarounds here */
-static void mce_cpu_quirks(struct cpuinfo_x86 *c)
+static int mce_cpu_quirks(struct cpuinfo_x86 *c)
 {
+	if (c->x86_vendor == X86_VENDOR_UNKNOWN) {
+		pr_info("MCE: unknown CPU type - not enabling MCE support.\n");
+		return -EOPNOTSUPP;
+	}
+
 	/* This should be disabled by the BIOS, but isn't always */
 	if (c->x86_vendor == X86_VENDOR_AMD) {
 		if (c->x86 == 15 && banks > 4) {
@@ -1273,11 +1278,20 @@ static void mce_cpu_quirks(struct cpuinfo_x86 *c)
 		if ((c->x86 > 6 || (c->x86 == 6 && c->x86_model >= 0xe)) &&
 			monarch_timeout < 0)
 			monarch_timeout = USEC_PER_SEC;
+
+		/*
+		 * There are also broken BIOSes on some Pentium M and
+		 * earlier systems:
+		 */
+		if (c->x86 == 6 && c->x86_model <= 13 && mce_bootlog < 0)
+			mce_bootlog = 0;
 	}
 	if (monarch_timeout < 0)
 		monarch_timeout = 0;
 	if (mce_bootlog != 0)
 		mce_panic_timeout = 30;
+
+	return 0;
 }
 
 static void __cpuinit mce_ancient_init(struct cpuinfo_x86 *c)
@@ -1338,11 +1352,10 @@ void __cpuinit mcheck_init(struct cpuinfo_x86 *c)
 	if (!mce_available(c))
 		return;
 
-	if (mce_cap_init() < 0) {
+	if (mce_cap_init() < 0 || mce_cpu_quirks(c) < 0) {
 		mce_disabled = 1;
 		return;
 	}
-	mce_cpu_quirks(c);
 
 	machine_check_vector = do_machine_check;
 
diff --git a/arch/x86/kernel/cpu/mcheck/therm_throt.c b/arch/x86/kernel/cpu/mcheck/therm_throt.c
index 8bc64cfbe93..5957a93e517 100644
--- a/arch/x86/kernel/cpu/mcheck/therm_throt.c
+++ b/arch/x86/kernel/cpu/mcheck/therm_throt.c
@@ -116,11 +116,14 @@ static int therm_throt_process(int curr)
 		       cpu, __get_cpu_var(thermal_throttle_count));
 
 		add_taint(TAINT_MACHINE_CHECK);
-	} else if (was_throttled) {
+		return 1;
+	}
+	if (was_throttled) {
 		printk(KERN_INFO "CPU%d: Temperature/speed normal\n", cpu);
+		return 1;
 	}
 
-	return 1;
+	return 0;
 }
 
 #ifdef CONFIG_SYSFS
diff --git a/arch/x86/kernel/setup_percpu.c b/arch/x86/kernel/setup_percpu.c
index 29a3eef7cf4..07d81916f21 100644
--- a/arch/x86/kernel/setup_percpu.c
+++ b/arch/x86/kernel/setup_percpu.c
@@ -165,7 +165,7 @@ static ssize_t __init setup_pcpu_lpage(size_t static_size, bool chosen)
 
 	if (!chosen) {
 		size_t vm_size = VMALLOC_END - VMALLOC_START;
-		size_t tot_size = num_possible_cpus() * PMD_SIZE;
+		size_t tot_size = nr_cpu_ids * PMD_SIZE;
 
 		/* on non-NUMA, embedding is better */
 		if (!pcpu_need_numa())
@@ -199,7 +199,7 @@ static ssize_t __init setup_pcpu_lpage(size_t static_size, bool chosen)
 	dyn_size = pcpul_size - static_size - PERCPU_FIRST_CHUNK_RESERVE;
 
 	/* allocate pointer array and alloc large pages */
-	map_size = PFN_ALIGN(num_possible_cpus() * sizeof(pcpul_map[0]));
+	map_size = PFN_ALIGN(nr_cpu_ids * sizeof(pcpul_map[0]));
 	pcpul_map = alloc_bootmem(map_size);
 
 	for_each_possible_cpu(cpu) {
@@ -228,7 +228,7 @@ static ssize_t __init setup_pcpu_lpage(size_t static_size, bool chosen)
 
 	/* allocate address and map */
 	pcpul_vm.flags = VM_ALLOC;
-	pcpul_vm.size = num_possible_cpus() * PMD_SIZE;
+	pcpul_vm.size = nr_cpu_ids * PMD_SIZE;
 	vm_area_register_early(&pcpul_vm, PMD_SIZE);
 
 	for_each_possible_cpu(cpu) {
@@ -250,8 +250,8 @@ static ssize_t __init setup_pcpu_lpage(size_t static_size, bool chosen)
 				     PMD_SIZE, pcpul_vm.addr, NULL);
 
 	/* sort pcpul_map array for pcpu_lpage_remapped() */
-	for (i = 0; i < num_possible_cpus() - 1; i++)
-		for (j = i + 1; j < num_possible_cpus(); j++)
+	for (i = 0; i < nr_cpu_ids - 1; i++)
+		for (j = i + 1; j < nr_cpu_ids; j++)
 			if (pcpul_map[i].ptr > pcpul_map[j].ptr) {
 				struct pcpul_ent tmp = pcpul_map[i];
 				pcpul_map[i] = pcpul_map[j];
@@ -288,7 +288,7 @@ void *pcpu_lpage_remapped(void *kaddr)
 {
 	void *pmd_addr = (void *)((unsigned long)kaddr & PMD_MASK);
 	unsigned long offset = (unsigned long)kaddr & ~PMD_MASK;
-	int left = 0, right = num_possible_cpus() - 1;
+	int left = 0, right = nr_cpu_ids - 1;
 	int pos;
 
 	/* pcpul in use at all? */
@@ -377,7 +377,7 @@ static ssize_t __init setup_pcpu_4k(size_t static_size)
 	pcpu4k_nr_static_pages = PFN_UP(static_size);
 
 	/* unaligned allocations can't be freed, round up to page size */
-	pages_size = PFN_ALIGN(pcpu4k_nr_static_pages * num_possible_cpus()
+	pages_size = PFN_ALIGN(pcpu4k_nr_static_pages * nr_cpu_ids
 			       * sizeof(pcpu4k_pages[0]));
 	pcpu4k_pages = alloc_bootmem(pages_size);
 
diff --git a/arch/x86/kernel/tlb_uv.c b/arch/x86/kernel/tlb_uv.c
index 8ccabb8a2f6..77b9689f8ed 100644
--- a/arch/x86/kernel/tlb_uv.c
+++ b/arch/x86/kernel/tlb_uv.c
@@ -744,6 +744,7 @@ uv_activation_descriptor_init(int node, int pnode)
 		 * note that base_dest_nodeid is actually a nasid.
 		 */
 		ad2->header.base_dest_nodeid = uv_partition_base_pnode << 1;
+		ad2->header.dest_subnodeid = 0x10; /* the LB */
 		ad2->header.command = UV_NET_ENDPOINT_INTD;
 		ad2->header.int_both = 1;
 		/*