139 files changed, 3032 insertions, 1166 deletions

diff --git a/Documentation/feature-removal-schedule.txt b/Documentation/feature-removal-schedule.txt
index 87851efb0228..d1cd5f93e028 100644
--- a/Documentation/feature-removal-schedule.txt
+++ b/Documentation/feature-removal-schedule.txt
@@ -120,6 +120,13 @@ Who:    Adrian Bunk <bunk@stusta.de>
 
 ---------------------------
 
+What:  drivers depending on OSS_OBSOLETE_DRIVER
+When:  options in 2.6.20, code in 2.6.22
+Why:   OSS drivers with ALSA replacements
+Who:   Adrian Bunk <bunk@stusta.de>
+
+---------------------------
+
 What:   pci_module_init(driver)
 When:   January 2007
 Why:    Is replaced by pci_register_driver(pci_driver).
diff --git a/Documentation/kernel-parameters.txt b/Documentation/kernel-parameters.txt
index b50595a0550f..7947cede8712 100644
--- a/Documentation/kernel-parameters.txt
+++ b/Documentation/kernel-parameters.txt
@@ -1183,6 +1183,8 @@ running once the system is up.
                                 Mechanism 2.
                 nommconf        [IA-32,X86_64] Disable use of MMCONFIG for PCI
                                 Configuration
+                mmconf          [IA-32,X86_64] Force MMCONFIG. This is useful
+                                to override the builtin blacklist.
                 nomsi           [MSI] If the PCI_MSI kernel config parameter is
                                 enabled, this kernel boot option can be used to
                                 disable the use of MSI interrupts system-wide.
diff --git a/Documentation/powerpc/booting-without-of.txt b/Documentation/powerpc/booting-without-of.txt
index 8c48b8a27b9c..5c0ba235f5a5 100644
--- a/Documentation/powerpc/booting-without-of.txt
+++ b/Documentation/powerpc/booting-without-of.txt
@@ -1136,10 +1136,10 @@ Sense and level information should be encoded as follows:
    Devices connected to openPIC-compatible controllers should encode
    sense and polarity as follows:
 
-        0 = high to low edge sensitive type enabled
+        0 = low to high edge sensitive type enabled
         1 = active low level sensitive type enabled
-        2 = low to high edge sensitive type enabled
-        3 = active high level sensitive type enabled
+        2 = active high level sensitive type enabled
+        3 = high to low edge sensitive type enabled
 
    ISA PIC interrupt controllers should adhere to the ISA PIC
    encodings listed below:
diff --git a/MAINTAINERS b/MAINTAINERS
index 3bab239e82fe..25cd7073a20b 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -3296,10 +3296,11 @@ S:	Maintained
 
 XFS FILESYSTEM
 P:      Silicon Graphics Inc
+P:      Tim Shimmin, David Chatterton
 M:      xfs-masters@oss.sgi.com
-M:      nathans@sgi.com
 L:      xfs@oss.sgi.com
 W:      http://oss.sgi.com/projects/xfs
+T:      git git://oss.sgi.com:8090/xfs/xfs-2.6
 S:      Supported
 
 X86 3-LEVEL PAGING (PAE) SUPPORT
diff --git a/arch/i386/kernel/head.S b/arch/i386/kernel/head.S
index eb79aa2fa8bb..a6b8bd89aa27 100644
--- a/arch/i386/kernel/head.S
+++ b/arch/i386/kernel/head.S
@@ -317,20 +317,14 @@ is386:	movl $2,%ecx		# set MP
         movl %eax,%gs
         lldt %ax
         cld                     # gcc2 wants the direction flag cleared at all times
+        pushl %eax              # fake return address
 #ifdef CONFIG_SMP
         movb ready, %cl
         movb $1, ready
-        cmpb $0,%cl
-        je 1f                   # the first CPU calls start_kernel
-                                # all other CPUs call initialize_secondary
-        call initialize_secondary
-        jmp L6
-1:
+        cmpb $0,%cl             # the first CPU calls start_kernel
+        jne initialize_secondary # all other CPUs call initialize_secondary
 #endif /* CONFIG_SMP */
-        call start_kernel
-L6:
-        jmp L6                  # main should never return here, but
-                                # just in case, we know what happens.
+        jmp start_kernel
 
 /*
  * We depend on ET to be correct. This checks for 287/387.
diff --git a/arch/i386/kernel/hpet.c b/arch/i386/kernel/hpet.c
index c6737c35815d..17647a530b2f 100644
--- a/arch/i386/kernel/hpet.c
+++ b/arch/i386/kernel/hpet.c
@@ -35,7 +35,7 @@ static int __init init_hpet_clocksource(void)
         void __iomem* hpet_base;
         u64 tmp;
 
-        if (!hpet_address)
+        if (!is_hpet_enabled())
                 return -ENODEV;
 
         /* calculate the hpet address: */
diff --git a/arch/i386/kernel/irq.c b/arch/i386/kernel/irq.c
index 6cb529f60dcc..5fe547cd8f9f 100644
--- a/arch/i386/kernel/irq.c
+++ b/arch/i386/kernel/irq.c
@@ -82,10 +82,6 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
         }
 #endif
 
-        if (!irq_desc[irq].handle_irq) {
-                __do_IRQ(irq, regs);
-                goto out_exit;
-        }
 #ifdef CONFIG_4KSTACKS
 
         curctx = (union irq_ctx *) current_thread_info();
@@ -125,7 +121,6 @@ fastcall unsigned int do_IRQ(struct pt_regs *regs)
 #endif
                 __do_IRQ(irq, regs);
 
-out_exit:
         irq_exit();
 
         return 1;
diff --git a/arch/i386/kernel/setup.c b/arch/i386/kernel/setup.c
index f1682206d304..345ffb7d904d 100644
--- a/arch/i386/kernel/setup.c
+++ b/arch/i386/kernel/setup.c
@@ -956,38 +956,6 @@ efi_memory_present_wrapper(unsigned long start, unsigned long end, void *arg)
         return 0;
 }
 
- /*
-  * This function checks if the entire range <start,end> is mapped with type.
-  *
-  * Note: this function only works correct if the e820 table is sorted and
-  * not-overlapping, which is the case
-  */
-int __init
-e820_all_mapped(unsigned long s, unsigned long e, unsigned type)
-{
-        u64 start = s;
-        u64 end = e;
-        int i;
-        for (i = 0; i < e820.nr_map; i++) {
-                struct e820entry *ei = &e820.map[i];
-                if (type && ei->type != type)
-                        continue;
-                /* is the region (part) in overlap with the current region ?*/
-                if (ei->addr >= end || ei->addr + ei->size <= start)
-                        continue;
-                /* if the region is at the beginning of <start,end> we move
-                 * start to the end of the region since it's ok until there
-                 */
-                if (ei->addr <= start)
-                        start = ei->addr + ei->size;
-                /* if start is now at or beyond end, we're done, full
-                 * coverage */
-                if (start >= end)
-                        return 1; /* we're done */
-        }
-        return 0;
-}
-
 /*
  * Find the highest page frame number we have available
  */
diff --git a/arch/i386/kernel/traps.c b/arch/i386/kernel/traps.c
index 82e0fd02af1c..7e9edafffd8a 100644
--- a/arch/i386/kernel/traps.c
+++ b/arch/i386/kernel/traps.c
@@ -92,7 +92,11 @@ asmlinkage void spurious_interrupt_bug(void);
 asmlinkage void machine_check(void);
 
 static int kstack_depth_to_print = 24;
+#ifdef CONFIG_STACK_UNWIND
 static int call_trace = 1;
+#else
+#define call_trace (-1)
+#endif
 ATOMIC_NOTIFIER_HEAD(i386die_chain);
 
 int register_die_notifier(struct notifier_block *nb)
@@ -187,22 +191,21 @@ static void show_trace_log_lvl(struct task_struct *task, struct pt_regs *regs,
                         if (unwind_init_blocked(&info, task) == 0)
                                 unw_ret = show_trace_unwind(&info, log_lvl);
                 }
-                if (unw_ret > 0 && !arch_unw_user_mode(&info)) {
-#ifdef CONFIG_STACK_UNWIND
-                        print_symbol("DWARF2 unwinder stuck at %s\n",
-                                     UNW_PC(&info));
-                        if (call_trace == 1) {
-                                printk("Leftover inexact backtrace:\n");
-                                if (UNW_SP(&info))
+                if (unw_ret > 0) {
+                        if (call_trace == 1 && !arch_unw_user_mode(&info)) {
+                                print_symbol("DWARF2 unwinder stuck at %s\n",
+                                             UNW_PC(&info));
+                                if (UNW_SP(&info) >= PAGE_OFFSET) {
+                                        printk("Leftover inexact backtrace:\n");
                                         stack = (void *)UNW_SP(&info);
-                        } else if (call_trace > 1)
+                                } else
+                                        printk("Full inexact backtrace again:\n");
+                        } else if (call_trace >= 1)
                                 return;
                         else
                                 printk("Full inexact backtrace again:\n");
-#else
+                } else
                         printk("Inexact backtrace:\n");
-#endif
-                }
         }
 
         if (task == current) {
@@ -1241,6 +1244,7 @@ static int __init kstack_setup(char *s)
 }
 __setup("kstack=", kstack_setup);
 
+#ifdef CONFIG_STACK_UNWIND
 static int __init call_trace_setup(char *s)
 {
         if (strcmp(s, "old") == 0)
@@ -1254,3 +1258,4 @@ static int __init call_trace_setup(char *s)
         return 1;
 }
 __setup("call_trace=", call_trace_setup);
+#endif
diff --git a/arch/i386/pci/common.c b/arch/i386/pci/common.c
index 0a362e3aeac5..1220dd828ce3 100644
--- a/arch/i386/pci/common.c
+++ b/arch/i386/pci/common.c
@@ -237,6 +237,11 @@ char * __devinit  pcibios_setup(char *str)
                 pci_probe &= ~PCI_PROBE_MMCONF;
                 return NULL;
         }
+        /* override DMI blacklist */
+        else if (!strcmp(str, "mmconf")) {
+                pci_probe |= PCI_PROBE_MMCONF_FORCE;
+                return NULL;
+        }
 #endif
         else if (!strcmp(str, "noacpi")) {
                 acpi_noirq_set();
diff --git a/arch/i386/pci/mmconfig.c b/arch/i386/pci/mmconfig.c
index 972180f738d9..ef5a2faa7d82 100644
--- a/arch/i386/pci/mmconfig.c
+++ b/arch/i386/pci/mmconfig.c
@@ -12,6 +12,7 @@
 #include <linux/pci.h>
 #include <linux/init.h>
 #include <linux/acpi.h>
+#include <linux/dmi.h>
 #include <asm/e820.h>
 #include "pci.h"
 
@@ -187,9 +188,31 @@ static __init void unreachable_devices(void)
         }
 }
 
+static int disable_mcfg(struct dmi_system_id *d)
+{
+        printk("PCI: %s detected. Disabling MCFG.\n", d->ident);
+        pci_probe &= ~PCI_PROBE_MMCONF;
+        return 0;
+}
+
+static struct dmi_system_id __initdata dmi_bad_mcfg[] = {
+        /* Has broken MCFG table that makes the system hang when used */
+        {
+         .callback = disable_mcfg,
+         .ident = "Intel D3C5105 SDV",
+         .matches = {
+                     DMI_MATCH(DMI_BIOS_VENDOR, "Intel"),
+                     DMI_MATCH(DMI_BOARD_NAME, "D26928"),
+                     },
+         },
+         {}
+};
+
 void __init pci_mmcfg_init(void)
 {
-        if ((pci_probe & PCI_PROBE_MMCONF) == 0)
+        dmi_check_system(dmi_bad_mcfg);
+
+        if ((pci_probe & (PCI_PROBE_MMCONF_FORCE|PCI_PROBE_MMCONF)) == 0)
                 return;
 
         acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
@@ -198,15 +221,6 @@ void __init pci_mmcfg_init(void)
             (pci_mmcfg_config[0].base_address == 0))
                 return;
 
-        if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
-                        pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
-                        E820_RESERVED)) {
-                printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
-                                pci_mmcfg_config[0].base_address);
-                printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
-                return;
-        }
-
         printk(KERN_INFO "PCI: Using MMCONFIG\n");
         raw_pci_ops = &pci_mmcfg;
         pci_probe = (pci_probe & ~PCI_PROBE_MASK) | PCI_PROBE_MMCONF;
diff --git a/arch/i386/pci/pci.h b/arch/i386/pci/pci.h
index bf4e79335388..49a849b3a241 100644
--- a/arch/i386/pci/pci.h
+++ b/arch/i386/pci/pci.h
@@ -16,7 +16,8 @@
 #define PCI_PROBE_CONF1         0x0002
 #define PCI_PROBE_CONF2         0x0004
 #define PCI_PROBE_MMCONF        0x0008
-#define PCI_PROBE_MASK          0x000f
+#define PCI_PROBE_MMCONF_FORCE  0x0010
+#define PCI_PROBE_MASK          0x00ff
 
 #define PCI_NO_SORT             0x0100
 #define PCI_BIOS_SORT           0x0200
diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 47de9ee6bcd6..674de8943478 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -258,7 +258,7 @@ config NR_CPUS
         int "Maximum number of CPUs (2-1024)"
         range 2 1024
         depends on SMP
-        default "64"
+        default "1024"
         help
           You should set this to the number of CPUs in your system, but
           keep in mind that a kernel compiled for, e.g., 2 CPUs will boot but
@@ -354,7 +354,7 @@ config NUMA
 config NODES_SHIFT
         int "Max num nodes shift(3-10)"
         range 3 10
-        default "8"
+        default "10"
         depends on NEED_MULTIPLE_NODES
         help
           This option specifies the maximum number of nodes in your SSI system.
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index d24fa393b182..f648c610b10c 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -67,10 +67,8 @@ static int __init topology_init(void)
 #endif
 
         sysfs_cpus = kzalloc(sizeof(struct ia64_cpu) * NR_CPUS, GFP_KERNEL);
-        if (!sysfs_cpus) {
-                err = -ENOMEM;
-                goto out;
-        }
+        if (!sysfs_cpus)
+                panic("kzalloc in topology_init failed - NR_CPUS too big?");
 
         for_each_present_cpu(i) {
                 if((err = arch_register_cpu(i)))
diff --git a/arch/ia64/sn/kernel/xpc_channel.c b/arch/ia64/sn/kernel/xpc_channel.c
index c2f69f7942af..1f3540826e68 100644
--- a/arch/ia64/sn/kernel/xpc_channel.c
+++ b/arch/ia64/sn/kernel/xpc_channel.c
@@ -279,8 +279,8 @@ xpc_pull_remote_cachelines(struct xpc_partition *part, void *dst,
                 return part->reason;
         }
 
-        bte_ret = xp_bte_copy((u64) src, (u64) ia64_tpa((u64) dst),
-                                (u64) cnt, (BTE_NORMAL | BTE_WACQUIRE), NULL);
+        bte_ret = xp_bte_copy((u64) src, (u64) dst, (u64) cnt,
+                                        (BTE_NORMAL | BTE_WACQUIRE), NULL);
         if (bte_ret == BTE_SUCCESS) {
                 return xpcSuccess;
         }
diff --git a/arch/ia64/sn/kernel/xpc_main.c b/arch/ia64/sn/kernel/xpc_main.c
index 5e8e59efb347..4d026f9dd98b 100644
--- a/arch/ia64/sn/kernel/xpc_main.c
+++ b/arch/ia64/sn/kernel/xpc_main.c
@@ -1052,6 +1052,8 @@ xpc_do_exit(enum xpc_retval reason)
         if (xpc_sysctl) {
                 unregister_sysctl_table(xpc_sysctl);
         }
+
+        kfree(xpc_remote_copy_buffer_base);
 }
 
 
@@ -1212,24 +1214,20 @@ xpc_init(void)
         partid_t partid;
         struct xpc_partition *part;
         pid_t pid;
+        size_t buf_size;
 
 
         if (!ia64_platform_is("sn2")) {
                 return -ENODEV;
         }
 
-        /*
-         * xpc_remote_copy_buffer is used as a temporary buffer for bte_copy'ng
-         * various portions of a partition's reserved page. Its size is based
-         * on the size of the reserved page header and part_nasids mask. So we
-         * need to ensure that the other items will fit as well.
-         */
-        if (XPC_RP_VARS_SIZE > XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES) {
-                dev_err(xpc_part, "xpc_remote_copy_buffer is not big enough\n");
-                return -EPERM;
-        }
-        DBUG_ON((u64) xpc_remote_copy_buffer !=
-                                L1_CACHE_ALIGN((u64) xpc_remote_copy_buffer));
+
+        buf_size = max(XPC_RP_VARS_SIZE,
+                                XPC_RP_HEADER_SIZE + XP_NASID_MASK_BYTES);
+        xpc_remote_copy_buffer = xpc_kmalloc_cacheline_aligned(buf_size,
+                                     GFP_KERNEL, &xpc_remote_copy_buffer_base);
+        if (xpc_remote_copy_buffer == NULL)
+                return -ENOMEM;
 
         snprintf(xpc_part->bus_id, BUS_ID_SIZE, "part");
         snprintf(xpc_chan->bus_id, BUS_ID_SIZE, "chan");
@@ -1293,6 +1291,8 @@ xpc_init(void)
                 if (xpc_sysctl) {
                         unregister_sysctl_table(xpc_sysctl);
                 }
+
+                kfree(xpc_remote_copy_buffer_base);
                 return -EBUSY;
         }
 
@@ -1311,6 +1311,8 @@ xpc_init(void)
                 if (xpc_sysctl) {
                         unregister_sysctl_table(xpc_sysctl);
                 }
+
+                kfree(xpc_remote_copy_buffer_base);
                 return -EBUSY;
         }
 
@@ -1362,6 +1364,8 @@ xpc_init(void)
                 if (xpc_sysctl) {
                         unregister_sysctl_table(xpc_sysctl);
                 }
+
+                kfree(xpc_remote_copy_buffer_base);
                 return -EBUSY;
         }
 
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c
index 2a89cfce4954..57c723f5cba4 100644
--- a/arch/ia64/sn/kernel/xpc_partition.c
+++ b/arch/ia64/sn/kernel/xpc_partition.c
@@ -71,19 +71,15 @@ struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
  * Generic buffer used to store a local copy of portions of a remote
  * partition's reserved page (either its header and part_nasids mask,
  * or its vars).
- *
- * xpc_discovery runs only once and is a seperate thread that is
- * very likely going to be processing in parallel with receiving
- * interrupts.
  */
-char ____cacheline_aligned xpc_remote_copy_buffer[XPC_RP_HEADER_SIZE +
-                                                        XP_NASID_MASK_BYTES];
+char *xpc_remote_copy_buffer;
+void *xpc_remote_copy_buffer_base;
 
 
 /*
  * Guarantee that the kmalloc'd memory is cacheline aligned.
  */
-static void *
+void *
 xpc_kmalloc_cacheline_aligned(size_t size, gfp_t flags, void **base)
 {
         /* see if kmalloc will give us cachline aligned memory by default */
@@ -148,7 +144,7 @@ xpc_get_rsvd_page_pa(int nasid)
                         }
                 }
 
-                bte_res = xp_bte_copy(rp_pa, ia64_tpa(buf), buf_len,
+                bte_res = xp_bte_copy(rp_pa, buf, buf_len,
                                         (BTE_NOTIFY | BTE_WACQUIRE), NULL);
                 if (bte_res != BTE_SUCCESS) {
                         dev_dbg(xpc_part, "xp_bte_copy failed %i\n", bte_res);
@@ -447,7 +443,7 @@ xpc_check_remote_hb(void)
 
                 /* pull the remote_hb cache line */
                 bres = xp_bte_copy(part->remote_vars_pa,
-                                        ia64_tpa((u64) remote_vars),
+                                        (u64) remote_vars,
                                         XPC_RP_VARS_SIZE,
                                         (BTE_NOTIFY | BTE_WACQUIRE), NULL);
                 if (bres != BTE_SUCCESS) {
@@ -498,8 +494,7 @@ xpc_get_remote_rp(int nasid, u64 *discovered_nasids,
 
 
         /* pull over the reserved page header and part_nasids mask */
-
-        bres = xp_bte_copy(*remote_rp_pa, ia64_tpa((u64) remote_rp),
+        bres = xp_bte_copy(*remote_rp_pa, (u64) remote_rp,
                                 XPC_RP_HEADER_SIZE + xp_nasid_mask_bytes,
                                 (BTE_NOTIFY | BTE_WACQUIRE), NULL);
         if (bres != BTE_SUCCESS) {
@@ -554,11 +549,8 @@ xpc_get_remote_vars(u64 remote_vars_pa, struct xpc_vars *remote_vars)
                 return xpcVarsNotSet;
         }
 
-
         /* pull over the cross partition variables */
-
-        bres = xp_bte_copy(remote_vars_pa, ia64_tpa((u64) remote_vars),
-                                XPC_RP_VARS_SIZE,
+        bres = xp_bte_copy(remote_vars_pa, (u64) remote_vars, XPC_RP_VARS_SIZE,
                                 (BTE_NOTIFY | BTE_WACQUIRE), NULL);
         if (bres != BTE_SUCCESS) {
                 return xpc_map_bte_errors(bres);
@@ -1239,7 +1231,7 @@ xpc_initiate_partid_to_nasids(partid_t partid, void *nasid_mask)
 
         part_nasid_pa = (u64) XPC_RP_PART_NASIDS(part->remote_rp_pa);
 
-        bte_res = xp_bte_copy(part_nasid_pa, ia64_tpa((u64) nasid_mask),
+        bte_res = xp_bte_copy(part_nasid_pa, (u64) nasid_mask,
                         xp_nasid_mask_bytes, (BTE_NOTIFY | BTE_WACQUIRE), NULL);
 
         return xpc_map_bte_errors(bte_res);
diff --git a/arch/powerpc/Kconfig b/arch/powerpc/Kconfig
index abb325eb8f75..4d4b6fb156e1 100644
--- a/arch/powerpc/Kconfig
+++ b/arch/powerpc/Kconfig
@@ -354,6 +354,7 @@ endchoice
 config PPC_PSERIES
         depends on PPC_MULTIPLATFORM && PPC64
         bool "IBM pSeries & new (POWER5-based) iSeries"
+        select MPIC
         select PPC_I8259
         select PPC_RTAS
         select RTAS_ERROR_LOGGING
@@ -363,6 +364,7 @@ config PPC_PSERIES
 config PPC_CHRP
         bool "Common Hardware Reference Platform (CHRP) based machines"
         depends on PPC_MULTIPLATFORM && PPC32
+        select MPIC
         select PPC_I8259
         select PPC_INDIRECT_PCI
         select PPC_RTAS
@@ -373,6 +375,7 @@ config PPC_CHRP
 config PPC_PMAC
         bool "Apple PowerMac based machines"
         depends on PPC_MULTIPLATFORM
+        select MPIC
         select PPC_INDIRECT_PCI if PPC32
         select PPC_MPC106 if PPC32
         default y
@@ -380,6 +383,7 @@ config PPC_PMAC
 config PPC_PMAC64
         bool
         depends on PPC_PMAC && POWER4
+        select MPIC
         select U3_DART
         select MPIC_BROKEN_U3
         select GENERIC_TBSYNC
@@ -389,6 +393,7 @@ config PPC_PMAC64
 config PPC_PREP
         bool "PowerPC Reference Platform (PReP) based machines"
         depends on PPC_MULTIPLATFORM && PPC32 && BROKEN
+        select MPIC
         select PPC_I8259
         select PPC_INDIRECT_PCI
         select PPC_UDBG_16550
@@ -397,6 +402,7 @@ config PPC_PREP
 config PPC_MAPLE
         depends on PPC_MULTIPLATFORM && PPC64
         bool "Maple 970FX Evaluation Board"
+        select MPIC
         select U3_DART
         select MPIC_BROKEN_U3
         select GENERIC_TBSYNC
@@ -439,12 +445,6 @@ config U3_DART
         depends on PPC_MULTIPLATFORM && PPC64
         default n
 
-config MPIC
-        depends on PPC_PSERIES || PPC_PMAC || PPC_MAPLE || PPC_CHRP \
-                               || MPC7448HPC2
-        bool
-        default y
-
 config PPC_RTAS
         bool
         default n
@@ -812,6 +812,14 @@ config GENERIC_ISA_DMA
         depends on PPC64 || POWER4 || 6xx && !CPM2
         default y
 
+config MPIC
+        bool
+        default n
+
+config MPIC_WEIRD
+        bool
+        default n
+
 config PPC_I8259
         bool
         default n
diff --git a/arch/powerpc/boot/dts/mpc7448hpc2.dts b/arch/powerpc/boot/dts/mpc7448hpc2.dts
new file mode 100644
index 000000000000..d7b985e6bd2f
--- /dev/null
+++ b/arch/powerpc/boot/dts/mpc7448hpc2.dts
@@ -0,0 +1,190 @@
+/*
+ * MPC7448HPC2 (Taiga) board Device Tree Source
+ *
+ * Copyright 2006 Freescale Semiconductor Inc.
+ * 2006 Roy Zang <Roy Zang at freescale.com>.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+
+/ {
+        model = "mpc7448hpc2";
+        compatible = "mpc74xx";
+        #address-cells = <1>;
+        #size-cells = <1>;
+        linux,phandle = <100>;
+
+        cpus {
+                #cpus = <1>;
+                #address-cells = <1>;
+                #size-cells =<0>;
+                linux,phandle = <200>;
+                                
+                PowerPC,7448@0 {
+                        device_type = "cpu";
+                        reg = <0>;
+                        d-cache-line-size = <20>;       // 32 bytes
+                        i-cache-line-size = <20>;       // 32 bytes
+                        d-cache-size = <8000>;          // L1, 32K bytes
+                        i-cache-size = <8000>;          // L1, 32K bytes
+                        timebase-frequency = <0>;       // 33 MHz, from uboot
+                        clock-frequency = <0>;          // From U-Boot
+                        bus-frequency = <0>;            // From U-Boot
+                        32-bit;
+                        linux,phandle = <201>;
+                        linux,boot-cpu;
+                };
+        };
+
+        memory {
+                device_type = "memory";
+                linux,phandle = <300>;
+                reg = <00000000 20000000        // DDR2   512M at 0
+                       >;
+        };
+
+        tsi108@c0000000 {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                #interrupt-cells = <2>;
+                device_type = "tsi-bridge";
+                ranges = <00000000 c0000000 00010000>;
+                reg = <c0000000 00010000>;
+                bus-frequency = <0>;
+
+                i2c@7000 {
+                        interrupt-parent = <7400>;
+                        interrupts = <E 0>;
+                        reg = <7000 400>;
+                        device_type = "i2c";
+                        compatible  = "tsi-i2c";
+                };
+
+                mdio@6000 {
+                        device_type = "mdio";
+                        compatible = "tsi-ethernet";
+
+                        ethernet-phy@6000 {
+                                linux,phandle = <6000>;
+                                interrupt-parent = <7400>;
+                                interrupts = <2 1>;
+                                reg = <6000 50>;
+                                phy-id = <8>;
+                                device_type = "ethernet-phy";
+                        };
+
+                        ethernet-phy@6400 {
+                                linux,phandle = <6400>;
+                                interrupt-parent = <7400>;
+                                interrupts = <2 1>;
+                                reg = <6000 50>;
+                                phy-id = <9>;
+                                device_type = "ethernet-phy";
+                        };
+
+                };
+
+                ethernet@6200 {
+                        #size-cells = <0>;
+                        device_type = "network";
+                        model = "TSI-ETH";
+                        compatible = "tsi-ethernet";
+                        reg = <6000 200>;
+                        address = [ 00 06 D2 00 00 01 ];
+                        interrupts = <10 2>;
+                        interrupt-parent = <7400>;
+                        phy-handle = <6000>;
+                };
+
+                ethernet@6600 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        device_type = "network";
+                        model = "TSI-ETH";
+                        compatible = "tsi-ethernet";
+                        reg = <6400 200>;
+                        address = [ 00 06 D2 00 00 02 ];
+                        interrupts = <11 2>;
+                        interrupt-parent = <7400>;
+                        phy-handle = <6400>;
+                };
+
+                serial@7808 {
+                        device_type = "serial";
+                        compatible = "ns16550";
+                        reg = <7808 200>;
+                        clock-frequency = <3f6b5a00>;
+                        interrupts = <c 0>;
+                        interrupt-parent = <7400>;
+                };
+
+                serial@7c08 {
+                        device_type = "serial";
+                        compatible = "ns16550";
+                        reg = <7c08 200>;
+                        clock-frequency = <3f6b5a00>;
+                        interrupts = <d 0>;
+                        interrupt-parent = <7400>;
+                };
+
+                pic@7400 {
+                        linux,phandle = <7400>;
+                        clock-frequency = <0>;
+                        interrupt-controller;
+                        #address-cells = <0>;
+                        #interrupt-cells = <2>;
+                        reg = <7400 400>;
+                        built-in;
+                        compatible = "chrp,open-pic";
+                        device_type = "open-pic";
+                        big-endian;
+                };
+                pci@1000 {
+                        compatible = "tsi10x";
+                        device_type = "pci";
+                        linux,phandle = <1000>;
+                        #interrupt-cells = <1>;
+                        #size-cells = <2>;
+                        #address-cells = <3>;
+                        reg = <1000 1000>;
+                        bus-range = <0 0>;
+                        ranges = <02000000 0 e0000000 e0000000 0 1A000000       
+                                  01000000 0 00000000 fa000000 0 00010000>;
+                        clock-frequency = <7f28154>;
+                        interrupt-parent = <7400>;
+                        interrupts = <17 2>;
+                        interrupt-map-mask = <f800 0 0 7>;
+                        interrupt-map = <
+
+                                /* IDSEL 0x11 */
+                                0800 0 0 1 7400 24 0
+                                0800 0 0 2 7400 25 0
+                                0800 0 0 3 7400 26 0
+                                0800 0 0 4 7400 27 0
+
+                                /* IDSEL 0x12 */
+                                1000 0 0 1 7400 25 0
+                                1000 0 0 2 7400 26 0
+                                1000 0 0 3 7400 27 0
+                                1000 0 0 4 7400 24 0
+
+                                /* IDSEL 0x13 */
+                                1800 0 0 1 7400 26 0
+                                1800 0 0 2 7400 27 0
+                                1800 0 0 3 7400 24 0
+                                1800 0 0 4 7400 25 0
+
+                                /* IDSEL 0x14 */
+                                2000 0 0 1 7400 27 0
+                                2000 0 0 2 7400 24 0
+                                2000 0 0 3 7400 25 0
+                                2000 0 0 4 7400 26 0
+                                >;
+                };
+        };
+
+};
diff --git a/arch/powerpc/boot/dts/mpc8349emds.dts b/arch/powerpc/boot/dts/mpc8349emds.dts
new file mode 100644
index 000000000000..12f5dbf3055f
--- /dev/null
+++ b/arch/powerpc/boot/dts/mpc8349emds.dts
@@ -0,0 +1,328 @@
+/*
+ * MPC8349E MDS Device Tree Source
+ *
+ * Copyright 2005, 2006 Freescale Semiconductor Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+
+/ {
+        model = "MPC8349EMDS";
+        compatible = "MPC834xMDS";
+        #address-cells = <1>;
+        #size-cells = <1>;
+
+        cpus {
+                #cpus = <1>;
+                #address-cells = <1>;
+                #size-cells = <0>;
+
+                PowerPC,8349@0 {
+                        device_type = "cpu";
+                        reg = <0>;
+                        d-cache-line-size = <20>;       // 32 bytes
+                        i-cache-line-size = <20>;       // 32 bytes
+                        d-cache-size = <8000>;          // L1, 32K
+                        i-cache-size = <8000>;          // L1, 32K
+                        timebase-frequency = <0>;       // from bootloader
+                        bus-frequency = <0>;            // from bootloader
+                        clock-frequency = <0>;          // from bootloader
+                        32-bit;
+                };
+        };
+
+        memory {
+                device_type = "memory";
+                reg = <00000000 10000000>;      // 256MB at 0
+        };
+
+        soc8349@e0000000 {
+                #address-cells = <1>;
+                #size-cells = <1>;
+                #interrupt-cells = <2>;
+                device_type = "soc";
+                ranges = <0 e0000000 00100000>;
+                reg = <e0000000 00000200>;
+                bus-frequency = <0>;
+
+                wdt@200 {
+                        device_type = "watchdog";
+                        compatible = "mpc83xx_wdt";
+                        reg = <200 100>;
+                };
+
+                i2c@3000 {
+                        device_type = "i2c";
+                        compatible = "fsl-i2c";
+                        reg = <3000 100>;
+                        interrupts = <e 8>;
+                        interrupt-parent = <700>;
+                        dfsrr;
+                };
+
+                i2c@3100 {
+                        device_type = "i2c";
+                        compatible = "fsl-i2c";
+                        reg = <3100 100>;
+                        interrupts = <f 8>;
+                        interrupt-parent = <700>;
+                        dfsrr;
+                };
+
+                spi@7000 {
+                        device_type = "spi";
+                        compatible = "mpc83xx_spi";
+                        reg = <7000 1000>;
+                        interrupts = <10 8>;
+                        interrupt-parent = <700>;
+                        mode = <0>;
+                };
+
+                /* phy type (ULPI or SERIAL) are only types supportted for MPH */
+                /* port = 0 or 1 */
+                usb@22000 {
+                        device_type = "usb";
+                        compatible = "fsl-usb2-mph";
+                        reg = <22000 1000>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        interrupt-parent = <700>;
+                        interrupts = <27 2>;
+                        phy_type = "ulpi";
+                        port1;
+                };
+                /* phy type (ULPI, UTMI, UTMI_WIDE, SERIAL) */
+                usb@23000 {
+                        device_type = "usb";
+                        compatible = "fsl-usb2-dr";
+                        reg = <23000 1000>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        interrupt-parent = <700>;
+                        interrupts = <26 2>;
+                        phy_type = "ulpi";
+                };
+
+                mdio@24520 {
+                        device_type = "mdio";
+                        compatible = "gianfar";
+                        reg = <24520 20>;
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        linux,phandle = <24520>;
+                        ethernet-phy@0 {
+                                linux,phandle = <2452000>;
+                                interrupt-parent = <700>;
+                                interrupts = <11 2>;
+                                reg = <0>;
+                                device_type = "ethernet-phy";
+                        };
+                        ethernet-phy@1 {
+                                linux,phandle = <2452001>;
+                                interrupt-parent = <700>;
+                                interrupts = <12 2>;
+                                reg = <1>;
+                                device_type = "ethernet-phy";
+                        };
+                };
+
+                ethernet@24000 {
+                        device_type = "network";
+                        model = "TSEC";
+                        compatible = "gianfar";
+                        reg = <24000 1000>;
+                        address = [ 00 00 00 00 00 00 ];
+                        local-mac-address = [ 00 00 00 00 00 00 ];
+                        interrupts = <20 8 21 8 22 8>;
+                        interrupt-parent = <700>;
+                        phy-handle = <2452000>;
+                };
+
+                ethernet@25000 {
+                        #address-cells = <1>;
+                        #size-cells = <0>;
+                        device_type = "network";
+                        model = "TSEC";
+                        compatible = "gianfar";
+                        reg = <25000 1000>;
+                        address = [ 00 00 00 00 00 00 ];
+                        local-mac-address = [ 00 00 00 00 00 00 ];
+                        interrupts = <23 8 24 8 25 8>;
+                        interrupt-parent = <700>;
+                        phy-handle = <2452001>;
+                };
+
+                serial@4500 {
+                        device_type = "serial";
+                        compatible = "ns16550";
+                        reg = <4500 100>;
+                        clock-frequency = <0>;
+                        interrupts = <9 8>;
+                        interrupt-parent = <700>;
+                };
+
+                serial@4600 {
+                        device_type = "serial";
+                        compatible = "ns16550";
+                        reg = <4600 100>;
+                        clock-frequency = <0>;
+                        interrupts = <a 8>;
+                        interrupt-parent = <700>;
+                };
+
+                pci@8500 {
+                        interrupt-map-mask = <f800 0 0 7>;
+                        interrupt-map = <
+
+                                        /* IDSEL 0x11 */
+                                         8800 0 0 1 700 14 8
+                                         8800 0 0 2 700 15 8
+                                         8800 0 0 3 700 16 8
+                                         8800 0 0 4 700 17 8
+
+                                        /* IDSEL 0x12 */
+                                         9000 0 0 1 700 16 8
+                                         9000 0 0 2 700 17 8
+                                         9000 0 0 3 700 14 8
+                                         9000 0 0 4 700 15 8
+
+                                        /* IDSEL 0x13 */
+                                         9800 0 0 1 700 17 8
+                                         9800 0 0 2 700 14 8
+                                         9800 0 0 3 700 15 8
+                                         9800 0 0 4 700 16 8
+
+                                        /* IDSEL 0x15 */
+                                         a800 0 0 1 700 14 8
+                                         a800 0 0 2 700 15 8
+                                         a800 0 0 3 700 16 8
+                                         a800 0 0 4 700 17 8
+
+                                        /* IDSEL 0x16 */
+                                         b000 0 0 1 700 17 8
+                                         b000 0 0 2 700 14 8
+                                         b000 0 0 3 700 15 8
+                                         b000 0 0 4 700 16 8
+
+                                        /* IDSEL 0x17 */
+                                         b800 0 0 1 700 16 8
+                                         b800 0 0 2 700 17 8
+                                         b800 0 0 3 700 14 8
+                                         b800 0 0 4 700 15 8
+
+                                        /* IDSEL 0x18 */
+                                         b000 0 0 1 700 15 8
+                                         b000 0 0 2 700 16 8
+                                         b000 0 0 3 700 17 8
+                                         b000 0 0 4 700 14 8>;
+                        interrupt-parent = <700>;
+                        interrupts = <42 8>;
+                        bus-range = <0 0>;
+                        ranges = <02000000 0 a0000000 a0000000 0 10000000
+                                  42000000 0 80000000 80000000 0 10000000
+                                  01000000 0 00000000 e2000000 0 00100000>;
+                        clock-frequency = <3f940aa>;
+                        #interrupt-cells = <1>;
+                        #size-cells = <2>;
+                        #address-cells = <3>;
+                        reg = <8500 100>;
+                        compatible = "83xx";
+                        device_type = "pci";
+                };
+
+                pci@8600 {
+                        interrupt-map-mask = <f800 0 0 7>;
+                        interrupt-map = <
+
+                                        /* IDSEL 0x11 */
+                                         8800 0 0 1 700 14 8
+                                         8800 0 0 2 700 15 8
+                                         8800 0 0 3 700 16 8
+                                         8800 0 0 4 700 17 8
+
+                                        /* IDSEL 0x12 */
+                                         9000 0 0 1 700 16 8
+                                         9000 0 0 2 700 17 8
+                                         9000 0 0 3 700 14 8
+                                         9000 0 0 4 700 15 8
+
+                                        /* IDSEL 0x13 */
+                                         9800 0 0 1 700 17 8
+                                         9800 0 0 2 700 14 8
+                                         9800 0 0 3 700 15 8
+                                         9800 0 0 4 700 16 8
+
+                                        /* IDSEL 0x15 */
+                                         a800 0 0 1 700 14 8
+                                         a800 0 0 2 700 15 8
+                                         a800 0 0 3 700 16 8
+                                         a800 0 0 4 700 17 8
+
+                                        /* IDSEL 0x16 */
+                                         b000 0 0 1 700 17 8
+                                         b000 0 0 2 700 14 8
+                                         b000 0 0 3 700 15 8
+                                         b000 0 0 4 700 16 8
+
+                                        /* IDSEL 0x17 */
+                                         b800 0 0 1 700 16 8
+                                         b800 0 0 2 700 17 8
+                                         b800 0 0 3 700 14 8
+                                         b800 0 0 4 700 15 8
+
+                                        /* IDSEL 0x18 */
+                                         b000 0 0 1 700 15 8
+                                         b000 0 0 2 700 16 8
+                                         b000 0 0 3 700 17 8
+                                         b000 0 0 4 700 14 8>;
+                        interrupt-parent = <700>;
+                        interrupts = <42 8>;
+                        bus-range = <0 0>;
+                        ranges = <02000000 0 b0000000 b0000000 0 10000000
+                                  42000000 0 90000000 90000000 0 10000000
+                                  01000000 0 00000000 e2100000 0 00100000>;
+                        clock-frequency = <3f940aa>;
+                        #interrupt-cells = <1>;
+                        #size-cells = <2>;
+                        #address-cells = <3>;
+                        reg = <8600 100>;
+                        compatible = "83xx";
+                        device_type = "pci";
+                };
+
+                /* May need to remove if on a part without crypto engine */
+                crypto@30000 {
+                        device_type = "crypto";
+                        model = "SEC2";
+                        compatible = "talitos";
+                        reg = <30000 10000>;
+                        interrupts = <b 8>;
+                        interrupt-parent = <700>;
+                        num-channels = <4>;
+                        channel-fifo-len = <18>;
+                        exec-units-mask = <0000007e>;
+                        /* desc mask is for rev2.0,
+                         * we need runtime fixup for >2.0 */
+                        descriptor-types-mask = <01010ebf>;
+                };
+
+                /* IPIC
+                 * interrupts cell = <intr #, sense>
+                 * sense values match linux IORESOURCE_IRQ_* defines:
+                 * sense == 8: Level, low assertion
+                 * sense == 2: Edge, high-to-low change
+                 */
+                pic@700 {
+                        linux,phandle = <700>;
+                        interrupt-controller;
+                        #address-cells = <0>;
+                        #interrupt-cells = <2>;
+                        reg = <700 100>;
+                        built-in;
+                        device_type = "ipic";
+                };
+        };
+};
diff --git a/arch/powerpc/configs/mpc834x_sys_defconfig b/arch/powerpc/configs/mpc834x_mds_defconfig
index 5078b0441d61..5078b0441d61 100644
--- a/arch/powerpc/configs/mpc834x_sys_defconfig
+++ b/arch/powerpc/configs/mpc834x_mds_defconfig
diff --git a/arch/powerpc/kernel/fpu.S b/arch/powerpc/kernel/fpu.S
index 7e2c9fe44ac1..821e152e093c 100644
--- a/arch/powerpc/kernel/fpu.S
+++ b/arch/powerpc/kernel/fpu.S
@@ -2,6 +2,11 @@
  *  FPU support code, moved here from head.S so that it can be used
  *  by chips which use other head-whatever.S files.
  *
+ *    Copyright (C) 1995-1996 Gary Thomas (gdt@linuxppc.org)
+ *    Copyright (C) 1996 Cort Dougan <cort@cs.nmt.edu>
+ *    Copyright (C) 1996 Paul Mackerras.
+ *    Copyright (C) 1997 Dan Malek (dmalek@jlc.net).
+ *
  *  This program is free software; you can redistribute it and/or
  *  modify it under the terms of the GNU General Public License
  *  as published by the Free Software Foundation; either version
diff --git a/arch/powerpc/kernel/irq.c b/arch/powerpc/kernel/irq.c
index 7ee685433319..12c5971d6565 100644
--- a/arch/powerpc/kernel/irq.c
+++ b/arch/powerpc/kernel/irq.c
@@ -322,7 +322,8 @@ EXPORT_SYMBOL(do_softirq);
 
 static LIST_HEAD(irq_hosts);
 static spinlock_t irq_big_lock = SPIN_LOCK_UNLOCKED;
-
+static DEFINE_PER_CPU(unsigned int, irq_radix_reader);
+static unsigned int irq_radix_writer;
 struct irq_map_entry irq_map[NR_IRQS];
 static unsigned int irq_virq_count = NR_IRQS;
 static struct irq_host *irq_default_host;
@@ -455,6 +456,58 @@ void irq_set_virq_count(unsigned int count)
                 irq_virq_count = count;
 }
 
+/* radix tree not lockless safe ! we use a brlock-type mecanism
+ * for now, until we can use a lockless radix tree
+ */
+static void irq_radix_wrlock(unsigned long *flags)
+{
+        unsigned int cpu, ok;
+
+        spin_lock_irqsave(&irq_big_lock, *flags);
+        irq_radix_writer = 1;
+        smp_mb();
+        do {
+                barrier();
+                ok = 1;
+                for_each_possible_cpu(cpu) {
+                        if (per_cpu(irq_radix_reader, cpu)) {
+                                ok = 0;
+                                break;
+                        }
+                }
+                if (!ok)
+                        cpu_relax();
+        } while(!ok);
+}
+
+static void irq_radix_wrunlock(unsigned long flags)
+{
+        smp_wmb();
+        irq_radix_writer = 0;
+        spin_unlock_irqrestore(&irq_big_lock, flags);
+}
+
+static void irq_radix_rdlock(unsigned long *flags)
+{
+        local_irq_save(*flags);
+        __get_cpu_var(irq_radix_reader) = 1;
+        smp_mb();
+        if (likely(irq_radix_writer == 0))
+                return;
+        __get_cpu_var(irq_radix_reader) = 0;
+        smp_wmb();
+        spin_lock(&irq_big_lock);
+        __get_cpu_var(irq_radix_reader) = 1;
+        spin_unlock(&irq_big_lock);
+}
+
+static void irq_radix_rdunlock(unsigned long flags)
+{
+        __get_cpu_var(irq_radix_reader) = 0;
+        local_irq_restore(flags);
+}
+
+
 unsigned int irq_create_mapping(struct irq_host *host,
                                 irq_hw_number_t hwirq)
 {
@@ -604,13 +657,9 @@ void irq_dispose_mapping(unsigned int virq)
                 /* Check if radix tree allocated yet */
                 if (host->revmap_data.tree.gfp_mask == 0)
                         break;
-                /* XXX radix tree not safe ! remove lock whem it becomes safe
-                 * and use some RCU sync to make sure everything is ok before we
-                 * can re-use that map entry
-                 */
-                spin_lock_irqsave(&irq_big_lock, flags);
+                irq_radix_wrlock(&flags);
                 radix_tree_delete(&host->revmap_data.tree, hwirq);
-                spin_unlock_irqrestore(&irq_big_lock, flags);
+                irq_radix_wrunlock(flags);
                 break;
         }
 
@@ -677,25 +726,24 @@ unsigned int irq_radix_revmap(struct irq_host *host,
         if (tree->gfp_mask == 0)
                 return irq_find_mapping(host, hwirq);
 
-        /* XXX Current radix trees are NOT SMP safe !!! Remove that lock
-         * when that is fixed (when Nick's patch gets in
-         */
-        spin_lock_irqsave(&irq_big_lock, flags);
-
         /* Now try to resolve */
+        irq_radix_rdlock(&flags);
         ptr = radix_tree_lookup(tree, hwirq);
+        irq_radix_rdunlock(flags);
+
         /* Found it, return */
         if (ptr) {
                 virq = ptr - irq_map;
-                goto bail;
+                return virq;
         }
 
         /* If not there, try to insert it */
         virq = irq_find_mapping(host, hwirq);
-        if (virq != NO_IRQ)
+        if (virq != NO_IRQ) {
+                irq_radix_wrlock(&flags);
                 radix_tree_insert(tree, hwirq, &irq_map[virq]);
- bail:
-        spin_unlock_irqrestore(&irq_big_lock, flags);
+                irq_radix_wrunlock(flags);
+        }
         return virq;
 }
 
@@ -806,12 +854,12 @@ static int irq_late_init(void)
         struct irq_host *h;
         unsigned long flags;
 
-        spin_lock_irqsave(&irq_big_lock, flags);
+        irq_radix_wrlock(&flags);
         list_for_each_entry(h, &irq_hosts, link) {
                 if (h->revmap_type == IRQ_HOST_MAP_TREE)
                         INIT_RADIX_TREE(&h->revmap_data.tree, GFP_ATOMIC);
         }
-        spin_unlock_irqrestore(&irq_big_lock, flags);
+        irq_radix_wrunlock(flags);
 
         return 0;
 }
diff --git a/arch/powerpc/kernel/pci_64.c b/arch/powerpc/kernel/pci_64.c
index 2fce7738e9e2..138134c8c17d 100644
--- a/arch/powerpc/kernel/pci_64.c
+++ b/arch/powerpc/kernel/pci_64.c
@@ -1289,6 +1289,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
 
         DBG("Try to map irq for %s...\n", pci_name(pci_dev));
 
+#ifdef DEBUG
+        memset(&oirq, 0xff, sizeof(oirq));
+#endif
         /* Try to get a mapping from the device-tree */
         if (of_irq_map_pci(pci_dev, &oirq)) {
                 u8 line, pin;
@@ -1314,8 +1317,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
                 if (virq != NO_IRQ)
                         set_irq_type(virq, IRQ_TYPE_LEVEL_LOW);
         } else {
-                DBG(" -> got one, spec %d cells (0x%08x...) on %s\n",
-                    oirq.size, oirq.specifier[0], oirq.controller->full_name);
+                DBG(" -> got one, spec %d cells (0x%08x 0x%08x...) on %s\n",
+                    oirq.size, oirq.specifier[0], oirq.specifier[1],
+                    oirq.controller->full_name);
 
                 virq = irq_create_of_mapping(oirq.controller, oirq.specifier,
                                              oirq.size);
@@ -1324,6 +1328,9 @@ int pci_read_irq_line(struct pci_dev *pci_dev)
                 DBG(" -> failed to map !\n");
                 return -1;
         }
+
+        DBG(" -> mapped to linux irq %d\n", virq);
+
         pci_dev->irq = virq;
         pci_write_config_byte(pci_dev, PCI_INTERRUPT_LINE, virq);
 
diff --git a/arch/powerpc/kernel/ppc_ksyms.c b/arch/powerpc/kernel/ppc_ksyms.c
index f6a05f090b25..39d3bfcabcd2 100644
--- a/arch/powerpc/kernel/ppc_ksyms.c
+++ b/arch/powerpc/kernel/ppc_ksyms.c
@@ -126,10 +126,6 @@ EXPORT_SYMBOL(pci_bus_mem_base_phys);
 EXPORT_SYMBOL(pci_bus_to_hose);
 #endif /* CONFIG_PCI */
 
-#ifdef CONFIG_NOT_COHERENT_CACHE
-EXPORT_SYMBOL(flush_dcache_all);
-#endif
-
 EXPORT_SYMBOL(start_thread);
 EXPORT_SYMBOL(kernel_thread);
 
diff --git a/arch/powerpc/kernel/prom_init.c b/arch/powerpc/kernel/prom_init.c
index 462bced40c12..4394e545f9f7 100644
--- a/arch/powerpc/kernel/prom_init.c
+++ b/arch/powerpc/kernel/prom_init.c
@@ -646,13 +646,13 @@ static unsigned char ibm_architecture_vec[] = {
         5 - 1,                          /* 5 option vectors */
 
         /* option vector 1: processor architectures supported */
-        3 - 1,                          /* length */
+        3 - 2,                          /* length */
         0,                              /* don't ignore, don't halt */
         OV1_PPC_2_00 | OV1_PPC_2_01 | OV1_PPC_2_02 | OV1_PPC_2_03 |
         OV1_PPC_2_04 | OV1_PPC_2_05,
 
         /* option vector 2: Open Firmware options supported */
-        34 - 1,                         /* length */
+        34 - 2,                         /* length */
         OV2_REAL_MODE,
         0, 0,
         W(0xffffffff),                  /* real_base */
@@ -666,16 +666,16 @@ static unsigned char ibm_architecture_vec[] = {
         48,                             /* max log_2(hash table size) */
 
         /* option vector 3: processor options supported */
-        3 - 1,                          /* length */
+        3 - 2,                          /* length */
         0,                              /* don't ignore, don't halt */
         OV3_FP | OV3_VMX,
 
         /* option vector 4: IBM PAPR implementation */
-        2 - 1,                          /* length */
+        2 - 2,                          /* length */
         0,                              /* don't halt */
 
         /* option vector 5: PAPR/OF options */
-        3 - 1,                          /* length */
+        3 - 2,                          /* length */
         0,                              /* don't ignore, don't halt */
         OV5_LPAR | OV5_SPLPAR | OV5_LARGE_PAGES,
 };
diff --git a/arch/powerpc/kernel/prom_parse.c b/arch/powerpc/kernel/prom_parse.c
index 11052c212ad5..a10825a5dfe6 100644
--- a/arch/powerpc/kernel/prom_parse.c
+++ b/arch/powerpc/kernel/prom_parse.c
@@ -639,14 +639,17 @@ void of_irq_map_init(unsigned int flags)
 
 }
 
-int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
-                   struct of_irq *out_irq)
+int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 ointsize,
+                   u32 *addr, struct of_irq *out_irq)
 {
         struct device_node *ipar, *tnode, *old = NULL, *newpar = NULL;
         u32 *tmp, *imap, *imask;
         u32 intsize = 1, addrsize, newintsize = 0, newaddrsize = 0;
         int imaplen, match, i;
 
+        DBG("of_irq_map_raw: par=%s,intspec=[0x%08x 0x%08x...],ointsize=%d\n",
+            parent->full_name, intspec[0], intspec[1], ointsize);
+
         ipar = of_node_get(parent);
 
         /* First get the #interrupt-cells property of the current cursor
@@ -670,6 +673,9 @@ int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
 
         DBG("of_irq_map_raw: ipar=%s, size=%d\n", ipar->full_name, intsize);
 
+        if (ointsize != intsize)
+                return -EINVAL;
+
         /* Look for this #address-cells. We have to implement the old linux
          * trick of looking for the parent here as some device-trees rely on it
          */
@@ -875,12 +881,15 @@ int of_irq_map_one(struct device_node *device, int index, struct of_irq *out_irq
         }
         intsize = *tmp;
 
+        DBG(" intsize=%d intlen=%d\n", intsize, intlen);
+
         /* Check index */
         if ((index + 1) * intsize > intlen)
                 return -EINVAL;
 
         /* Get new specifier and map it */
-        res = of_irq_map_raw(p, intspec + index * intsize, addr, out_irq);
+        res = of_irq_map_raw(p, intspec + index * intsize, intsize,
+                             addr, out_irq);
         of_node_put(p);
         return res;
 }
@@ -965,7 +974,7 @@ int of_irq_map_pci(struct pci_dev *pdev, struct of_irq *out_irq)
         laddr[0] = (pdev->bus->number << 16)
                 | (pdev->devfn << 8);
         laddr[1]  = laddr[2] = 0;
-        return of_irq_map_raw(ppnode, &lspec, laddr, out_irq);
+        return of_irq_map_raw(ppnode, &lspec, 1, laddr, out_irq);
 }
 EXPORT_SYMBOL_GPL(of_irq_map_pci);
 #endif /* CONFIG_PCI */
diff --git a/arch/powerpc/kernel/smp-tbsync.c b/arch/powerpc/kernel/smp-tbsync.c
index f19e2e0e61e7..de59c6c31a5b 100644
--- a/arch/powerpc/kernel/smp-tbsync.c
+++ b/arch/powerpc/kernel/smp-tbsync.c
@@ -45,8 +45,9 @@ void __devinit smp_generic_take_timebase(void)
 {
         int cmd;
         u64 tb;
+        unsigned long flags;
 
-        local_irq_disable();
+        local_irq_save(flags);
         while (!running)
                 barrier();
         rmb();
@@ -70,7 +71,7 @@ void __devinit smp_generic_take_timebase(void)
                         set_tb(tb >> 32, tb & 0xfffffffful);
                 enter_contest(tbsync->mark, -1);
         }
-        local_irq_enable();
+        local_irq_restore(flags);
 }
 
 static int __devinit start_contest(int cmd, long offset, int num)
diff --git a/arch/powerpc/kernel/time.c b/arch/powerpc/kernel/time.c
index 18e59e43d2b3..a124499e65d9 100644
--- a/arch/powerpc/kernel/time.c
+++ b/arch/powerpc/kernel/time.c
@@ -125,15 +125,8 @@ static long timezone_offset;
 unsigned long ppc_proc_freq;
 unsigned long ppc_tb_freq;
 
-u64 tb_last_jiffy __cacheline_aligned_in_smp;
-unsigned long tb_last_stamp;
-
-/*
- * Note that on ppc32 this only stores the bottom 32 bits of
- * the timebase value, but that's enough to tell when a jiffy
- * has passed.
- */
-DEFINE_PER_CPU(unsigned long, last_jiffy);
+static u64 tb_last_jiffy __cacheline_aligned_in_smp;
+static DEFINE_PER_CPU(u64, last_jiffy);
 
 #ifdef CONFIG_VIRT_CPU_ACCOUNTING
 /*
@@ -458,7 +451,7 @@ void do_gettimeofday(struct timeval *tv)
                 do {
                         seq = read_seqbegin_irqsave(&xtime_lock, flags);
                         sec = xtime.tv_sec;
-                        nsec = xtime.tv_nsec + tb_ticks_since(tb_last_stamp);
+                        nsec = xtime.tv_nsec + tb_ticks_since(tb_last_jiffy);
                 } while (read_seqretry_irqrestore(&xtime_lock, seq, flags));
                 usec = nsec / 1000;
                 while (usec >= 1000000) {
@@ -700,7 +693,6 @@ void timer_interrupt(struct pt_regs * regs)
                 tb_next_jiffy = tb_last_jiffy + tb_ticks_per_jiffy;
                 if (per_cpu(last_jiffy, cpu) >= tb_next_jiffy) {
                         tb_last_jiffy = tb_next_jiffy;
-                        tb_last_stamp = per_cpu(last_jiffy, cpu);
                         do_timer(regs);
                         timer_recalc_offset(tb_last_jiffy);
                         timer_check_rtc();
@@ -749,7 +741,7 @@ void __init smp_space_timers(unsigned int max_cpus)
         int i;
         unsigned long half = tb_ticks_per_jiffy / 2;
         unsigned long offset = tb_ticks_per_jiffy / max_cpus;
-        unsigned long previous_tb = per_cpu(last_jiffy, boot_cpuid);
+        u64 previous_tb = per_cpu(last_jiffy, boot_cpuid);
 
         /* make sure tb > per_cpu(last_jiffy, cpu) for all cpus always */
         previous_tb -= tb_ticks_per_jiffy;
@@ -830,7 +822,7 @@ int do_settimeofday(struct timespec *tv)
          * and therefore the (jiffies - wall_jiffies) computation
          * has been removed.
          */
-        tb_delta = tb_ticks_since(tb_last_stamp);
+        tb_delta = tb_ticks_since(tb_last_jiffy);
         tb_delta = mulhdu(tb_delta, do_gtod.varp->tb_to_xs); /* in xsec */
         new_nsec -= SCALE_XSEC(tb_delta, 1000000000);
 
@@ -950,8 +942,7 @@ void __init time_init(void)
         if (__USE_RTC()) {
                 /* 601 processor: dec counts down by 128 every 128ns */
                 ppc_tb_freq = 1000000000;
-                tb_last_stamp = get_rtcl();
-                tb_last_jiffy = tb_last_stamp;
+                tb_last_jiffy = get_rtcl();
         } else {
                 /* Normal PowerPC with timebase register */
                 ppc_md.calibrate_decr();
@@ -959,7 +950,7 @@ void __init time_init(void)
                        ppc_tb_freq / 1000000, ppc_tb_freq % 1000000);
                 printk(KERN_DEBUG "time_init: processor frequency   = %lu.%.6lu MHz\n",
                        ppc_proc_freq / 1000000, ppc_proc_freq % 1000000);
-                tb_last_stamp = tb_last_jiffy = get_tb();
+                tb_last_jiffy = get_tb();
         }
 
         tb_ticks_per_jiffy = ppc_tb_freq / HZ;
@@ -1036,7 +1027,7 @@ void __init time_init(void)
         do_gtod.varp = &do_gtod.vars[0];
         do_gtod.var_idx = 0;
         do_gtod.varp->tb_orig_stamp = tb_last_jiffy;
-        __get_cpu_var(last_jiffy) = tb_last_stamp;
+        __get_cpu_var(last_jiffy) = tb_last_jiffy;
         do_gtod.varp->stamp_xsec = (u64) xtime.tv_sec * XSEC_PER_SEC;
         do_gtod.tb_ticks_per_sec = tb_ticks_per_sec;
         do_gtod.varp->tb_to_xs = tb_to_xs;
diff --git a/arch/powerpc/lib/memcpy_64.S b/arch/powerpc/lib/memcpy_64.S
index fd66acfd3e3e..7173ba98f427 100644
--- a/arch/powerpc/lib/memcpy_64.S
+++ b/arch/powerpc/lib/memcpy_64.S
@@ -11,6 +11,7 @@
 
         .align  7
 _GLOBAL(memcpy)
+        std     r3,48(r1)       /* save destination pointer for return value */
         mtcrf   0x01,r5
         cmpldi  cr1,r5,16
         neg     r6,r3           # LS 3 bits = # bytes to 8-byte dest bdry
@@ -38,7 +39,7 @@ _GLOBAL(memcpy)
         stdu    r9,16(r3)
         bdnz    1b
 3:      std     r8,8(r3)
-        beqlr
+        beq     3f
         addi    r3,r3,16
         ld      r9,8(r4)
 .Ldo_tail:
@@ -53,7 +54,8 @@ _GLOBAL(memcpy)
 2:      bf      cr7*4+3,3f
         rotldi  r9,r9,8
         stb     r9,0(r3)
-3:      blr
+3:      ld      r3,48(r1)       /* return dest pointer */
+        blr
 
 .Lsrc_unaligned:
         srdi    r6,r5,3
@@ -115,7 +117,7 @@ _GLOBAL(memcpy)
 5:      srd     r12,r9,r11
         or      r12,r8,r12
         std     r12,24(r3)
-        beqlr
+        beq     4f
         cmpwi   cr1,r5,8
         addi    r3,r3,32
         sld     r9,r9,r10
@@ -167,4 +169,5 @@ _GLOBAL(memcpy)
 3:      bf      cr7*4+3,4f
         lbz     r0,0(r4)
         stb     r0,0(r3)
-4:      blr
+4:      ld      r3,48(r1)       /* return dest pointer */
+        blr
diff --git a/arch/powerpc/mm/44x_mmu.c b/arch/powerpc/mm/44x_mmu.c
index 376829ed2211..0a0a0487b334 100644
--- a/arch/powerpc/mm/44x_mmu.c
+++ b/arch/powerpc/mm/44x_mmu.c
@@ -103,7 +103,7 @@ unsigned long __init mmu_mapin_ram(void)
 
         /* Determine number of entries necessary to cover lowmem */
         pinned_tlbs = (unsigned int)
-                (_ALIGN(total_lowmem, PPC44x_PIN_SIZE) >> PPC44x_PIN_SHIFT);
+                (_ALIGN(total_lowmem, PPC_PIN_SIZE) >> PPC44x_PIN_SHIFT);
 
         /* Write upper watermark to save location */
         tlb_44x_hwater = PPC44x_LOW_SLOT - pinned_tlbs;
@@ -111,7 +111,7 @@ unsigned long __init mmu_mapin_ram(void)
         /* If necessary, set additional pinned TLBs */
         if (pinned_tlbs > 1)
                 for (i = (PPC44x_LOW_SLOT-(pinned_tlbs-1)); i < PPC44x_LOW_SLOT; i++) {
-                        unsigned int phys_addr = (PPC44x_LOW_SLOT-i) * PPC44x_PIN_SIZE;
+                        unsigned int phys_addr = (PPC44x_LOW_SLOT-i) * PPC_PIN_SIZE;
                         ppc44x_pin_tlb(i, phys_addr+PAGE_OFFSET, phys_addr);
                 }
 
diff --git a/arch/powerpc/platforms/83xx/mpc834x_itx.c b/arch/powerpc/platforms/83xx/mpc834x_itx.c
index b46305645d38..cf3967a66fb5 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_itx.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_itx.c
@@ -46,26 +46,6 @@ unsigned long isa_io_base = 0;
 unsigned long isa_mem_base = 0;
 #endif
 
-#ifdef CONFIG_PCI
-static int
-mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
-        static char pci_irq_table[][4] =
-            /*
-             *      PCI IDSEL/INTPIN->INTLINE
-             *       A      B      C      D
-             */
-        {
-                {PIRQB, PIRQC, PIRQD, PIRQA},   /* idsel 0x0e */
-                {PIRQA, PIRQB, PIRQC, PIRQD},   /* idsel 0x0f */
-                {PIRQC, PIRQD, PIRQA, PIRQB},   /* idsel 0x10 */
-        };
-
-        const long min_idsel = 0x0e, max_idsel = 0x10, irqs_per_slot = 4;
-        return PCI_IRQ_TABLE_LOOKUP;
-}
-#endif                          /* CONFIG_PCI */
-
 /* ************************************************************************
  *
  * Setup the architecture
@@ -92,8 +72,6 @@ static void __init mpc834x_itx_setup_arch(void)
         for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
                 add_bridge(np);
 
-        ppc_md.pci_swizzle = common_swizzle;
-        ppc_md.pci_map_irq = mpc83xx_map_irq;
         ppc_md.pci_exclude_device = mpc83xx_exclude_device;
 #endif
 
@@ -106,25 +84,13 @@ static void __init mpc834x_itx_setup_arch(void)
 
 void __init mpc834x_itx_init_IRQ(void)
 {
-        u8 senses[8] = {
-                0,                      /* EXT 0 */
-                IRQ_SENSE_LEVEL,        /* EXT 1 */
-                IRQ_SENSE_LEVEL,        /* EXT 2 */
-                0,                      /* EXT 3 */
-#ifdef CONFIG_PCI
-                IRQ_SENSE_LEVEL,        /* EXT 4 */
-                IRQ_SENSE_LEVEL,        /* EXT 5 */
-                IRQ_SENSE_LEVEL,        /* EXT 6 */
-                IRQ_SENSE_LEVEL,        /* EXT 7 */
-#else
-                0,                      /* EXT 4 */
-                0,                      /* EXT 5 */
-                0,                      /* EXT 6 */
-                0,                      /* EXT 7 */
-#endif
-        };
+        struct device_node *np;
+
+        np = of_find_node_by_type(NULL, "ipic");
+        if (!np)
+                return;
 
-        ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
+        ipic_init(np, 0);
 
         /* Initialize the default interrupt mapping priorities,
          * in case the boot rom changed something on us.
@@ -153,4 +119,7 @@ define_machine(mpc834x_itx) {
         .time_init              = mpc83xx_time_init,
         .calibrate_decr         = generic_calibrate_decr,
         .progress               = udbg_progress,
+#ifdef CONFIG_PCI
+        .pcibios_fixup          = mpc83xx_pcibios_fixup,
+#endif
 };
diff --git a/arch/powerpc/platforms/83xx/mpc834x_sys.c b/arch/powerpc/platforms/83xx/mpc834x_sys.c
index 3e1c16eb4a63..32df239d1c48 100644
--- a/arch/powerpc/platforms/83xx/mpc834x_sys.c
+++ b/arch/powerpc/platforms/83xx/mpc834x_sys.c
@@ -43,33 +43,6 @@ unsigned long isa_io_base = 0;
 unsigned long isa_mem_base = 0;
 #endif
 
-#ifdef CONFIG_PCI
-static int
-mpc83xx_map_irq(struct pci_dev *dev, unsigned char idsel, unsigned char pin)
-{
-        static char pci_irq_table[][4] =
-            /*
-             *      PCI IDSEL/INTPIN->INTLINE
-             *       A      B      C      D
-             */
-        {
-                {PIRQA, PIRQB, PIRQC, PIRQD},   /* idsel 0x11 */
-                {PIRQC, PIRQD, PIRQA, PIRQB},   /* idsel 0x12 */
-                {PIRQD, PIRQA, PIRQB, PIRQC},   /* idsel 0x13 */
-                {0, 0, 0, 0},
-                {PIRQA, PIRQB, PIRQC, PIRQD},   /* idsel 0x15 */
-                {PIRQD, PIRQA, PIRQB, PIRQC},   /* idsel 0x16 */
-                {PIRQC, PIRQD, PIRQA, PIRQB},   /* idsel 0x17 */
-                {PIRQB, PIRQC, PIRQD, PIRQA},   /* idsel 0x18 */
-                {0, 0, 0, 0},                   /* idsel 0x19 */
-                {0, 0, 0, 0},                   /* idsel 0x20 */
-        };
-
-        const long min_idsel = 0x11, max_idsel = 0x20, irqs_per_slot = 4;
-        return PCI_IRQ_TABLE_LOOKUP;
-}
-#endif                          /* CONFIG_PCI */
-
 /* ************************************************************************
  *
  * Setup the architecture
@@ -96,8 +69,6 @@ static void __init mpc834x_sys_setup_arch(void)
         for (np = NULL; (np = of_find_node_by_type(np, "pci")) != NULL;)
                 add_bridge(np);
 
-        ppc_md.pci_swizzle = common_swizzle;
-        ppc_md.pci_map_irq = mpc83xx_map_irq;
         ppc_md.pci_exclude_device = mpc83xx_exclude_device;
 #endif
 
@@ -110,25 +81,13 @@ static void __init mpc834x_sys_setup_arch(void)
 
 void __init mpc834x_sys_init_IRQ(void)
 {
-        u8 senses[8] = {
-                0,                      /* EXT 0 */
-                IRQ_SENSE_LEVEL,        /* EXT 1 */
-                IRQ_SENSE_LEVEL,        /* EXT 2 */
-                0,                      /* EXT 3 */
-#ifdef CONFIG_PCI
-                IRQ_SENSE_LEVEL,        /* EXT 4 */
-                IRQ_SENSE_LEVEL,        /* EXT 5 */
-                IRQ_SENSE_LEVEL,        /* EXT 6 */
-                IRQ_SENSE_LEVEL,        /* EXT 7 */
-#else
-                0,                      /* EXT 4 */
-                0,                      /* EXT 5 */
-                0,                      /* EXT 6 */
-                0,                      /* EXT 7 */
-#endif
-        };
+        struct device_node *np;
+
+        np = of_find_node_by_type(NULL, "ipic");
+        if (!np)
+                return;
 
-        ipic_init(get_immrbase() + 0x00700, 0, 0, senses, 8);
+        ipic_init(np, 0);
 
         /* Initialize the default interrupt mapping priorities,
          * in case the boot rom changed something on us.
@@ -178,4 +137,7 @@ define_machine(mpc834x_sys) {
         .time_init              = mpc83xx_time_init,
         .calibrate_decr         = generic_calibrate_decr,
         .progress               = udbg_progress,
+#ifdef CONFIG_PCI
+        .pcibios_fixup          = mpc83xx_pcibios_fixup,
+#endif
 };
diff --git a/arch/powerpc/platforms/83xx/mpc83xx.h b/arch/powerpc/platforms/83xx/mpc83xx.h
index 01cae106912b..2c82bca9bfbb 100644
--- a/arch/powerpc/platforms/83xx/mpc83xx.h
+++ b/arch/powerpc/platforms/83xx/mpc83xx.h
@@ -11,6 +11,7 @@
 
 extern int add_bridge(struct device_node *dev);
 extern int mpc83xx_exclude_device(u_char bus, u_char devfn);
+extern void mpc83xx_pcibios_fixup(void);
 extern void mpc83xx_restart(char *cmd);
 extern long mpc83xx_time_init(void);
 
diff --git a/arch/powerpc/platforms/83xx/pci.c b/arch/powerpc/platforms/83xx/pci.c
index 3b5e563c279f..5d84a9ccd103 100644
--- a/arch/powerpc/platforms/83xx/pci.c
+++ b/arch/powerpc/platforms/83xx/pci.c
@@ -45,6 +45,15 @@ int mpc83xx_exclude_device(u_char bus, u_char devfn)
         return PCIBIOS_SUCCESSFUL;
 }
 
+void __init mpc83xx_pcibios_fixup(void)
+{
+        struct pci_dev *dev = NULL;
+
+        /* map all the PCI irqs */
+        for_each_pci_dev(dev)
+                pci_read_irq_line(dev);
+}
+
 int __init add_bridge(struct device_node *dev)
 {
         int len;
diff --git a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
index 146da3001c67..0b1b52168bb7 100644
--- a/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
+++ b/arch/powerpc/platforms/86xx/mpc86xx_hpcn.c
@@ -52,6 +52,7 @@ unsigned long pci_dram_offset = 0;
 #endif
 
 
+#ifdef CONFIG_PCI
 static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc,
                                  struct pt_regs *regs)
 {
@@ -60,40 +61,43 @@ static void mpc86xx_8259_cascade(unsigned int irq, struct irq_desc *desc,
                 generic_handle_irq(cascade_irq, regs);
         desc->chip->eoi(irq);
 }
+#endif  /* CONFIG_PCI */
 
 void __init
 mpc86xx_hpcn_init_irq(void)
 {
         struct mpic *mpic1;
-        struct device_node *np, *cascade_node = NULL;
+        struct device_node *np;
+        struct resource res;
+#ifdef CONFIG_PCI
+        struct device_node *cascade_node = NULL;
         int cascade_irq;
-        phys_addr_t openpic_paddr;
+#endif
 
+        /* Determine PIC address. */
         np = of_find_node_by_type(NULL, "open-pic");
         if (np == NULL)
                 return;
-
-        /* Determine the Physical Address of the OpenPIC regs */
-        openpic_paddr = get_immrbase() + MPC86xx_OPENPIC_OFFSET;
+        of_address_to_resource(np, 0, &res);
 
         /* Alloc mpic structure and per isu has 16 INT entries. */
-        mpic1 = mpic_alloc(np, openpic_paddr,
+        mpic1 = mpic_alloc(np, res.start,
                         MPIC_PRIMARY | MPIC_WANTS_RESET | MPIC_BIG_ENDIAN,
                         16, NR_IRQS - 4,
                         " MPIC     ");
         BUG_ON(mpic1 == NULL);
 
-        mpic_assign_isu(mpic1, 0, openpic_paddr + 0x10000);
+        mpic_assign_isu(mpic1, 0, res.start + 0x10000);
 
         /* 48 Internal Interrupts */
-        mpic_assign_isu(mpic1, 1, openpic_paddr + 0x10200);
-        mpic_assign_isu(mpic1, 2, openpic_paddr + 0x10400);
-        mpic_assign_isu(mpic1, 3, openpic_paddr + 0x10600);
+        mpic_assign_isu(mpic1, 1, res.start + 0x10200);
+        mpic_assign_isu(mpic1, 2, res.start + 0x10400);
+        mpic_assign_isu(mpic1, 3, res.start + 0x10600);
 
         /* 16 External interrupts
          * Moving them from [0 - 15] to [64 - 79]
          */
-        mpic_assign_isu(mpic1, 4, openpic_paddr + 0x10000);
+        mpic_assign_isu(mpic1, 4, res.start + 0x10000);
 
         mpic_init(mpic1);
 
diff --git a/arch/powerpc/platforms/86xx/pci.c b/arch/powerpc/platforms/86xx/pci.c
index bc5139043112..a8c8f0a44055 100644
--- a/arch/powerpc/platforms/86xx/pci.c
+++ b/arch/powerpc/platforms/86xx/pci.c
@@ -188,7 +188,8 @@ int __init add_bridge(struct device_node *dev)
 
         printk(KERN_INFO "Found MPC86xx PCIE host bridge at 0x%08lx. "
                "Firmware bus number: %d->%d\n",
-                rsrc.start, hose->first_busno, hose->last_busno);
+               (unsigned long) rsrc.start,
+               hose->first_busno, hose->last_busno);
 
         DBG(" ->Hose at 0x%p, cfg_addr=0x%p,cfg_data=0x%p\n",
                 hose, hose->cfg_addr, hose->cfg_data);
diff --git a/arch/powerpc/platforms/embedded6xx/Kconfig b/arch/powerpc/platforms/embedded6xx/Kconfig
index ba07a9a7c039..234a861870a8 100644
--- a/arch/powerpc/platforms/embedded6xx/Kconfig
+++ b/arch/powerpc/platforms/embedded6xx/Kconfig
@@ -80,6 +80,7 @@ config MPC7448HPC2
         select DEFAULT_UIMAGE
         select PPC_UDBG_16550
         select MPIC
+        select MPIC_WEIRD
         help
           Select MPC7448HPC2 if configuring for Freescale MPC7448HPC2 (Taiga)
           platform
diff --git a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
index ed00ed2455dd..5d393eb94935 100644
--- a/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
+++ b/arch/powerpc/platforms/embedded6xx/mpc7448_hpc2.c
@@ -215,7 +215,7 @@ static void __init mpc7448_hpc2_init_IRQ(void)
 
         mpic = mpic_alloc(tsi_pic, mpic_paddr,
                         MPIC_PRIMARY | MPIC_BIG_ENDIAN | MPIC_WANTS_RESET |
-                        MPIC_SPV_EOI | MPIC_MOD_ID(MPIC_ID_TSI108),
+                        MPIC_SPV_EOI | MPIC_NO_PTHROU_DIS | MPIC_REGSET_TSI108,
                         0, /* num_sources used */
                         0, /* num_sources used */
                         "Tsi108_PIC");
diff --git a/arch/powerpc/platforms/powermac/pic.c b/arch/powerpc/platforms/powermac/pic.c
index 060789e31c67..39f7ddb554ea 100644
--- a/arch/powerpc/platforms/powermac/pic.c
+++ b/arch/powerpc/platforms/powermac/pic.c
@@ -87,8 +87,8 @@ static void __pmac_retrigger(unsigned int irq_nr)
 static void pmac_mask_and_ack_irq(unsigned int virq)
 {
         unsigned int src = irq_map[virq].hwirq;
-        unsigned long bit = 1UL << (virq & 0x1f);
-        int i = virq >> 5;
+        unsigned long bit = 1UL << (src & 0x1f);
+        int i = src >> 5;
         unsigned long flags;
 
         spin_lock_irqsave(&pmac_pic_lock, flags);
@@ -175,7 +175,7 @@ static void pmac_mask_irq(unsigned int virq)
 
         spin_lock_irqsave(&pmac_pic_lock, flags);
         __clear_bit(src, ppc_cached_irq_mask);
-        __pmac_set_irq_mask(src, 0);
+        __pmac_set_irq_mask(src, 1);
         spin_unlock_irqrestore(&pmac_pic_lock, flags);
 }
 
diff --git a/arch/powerpc/sysdev/Makefile b/arch/powerpc/sysdev/Makefile
index cebfae242602..e5e999ea891a 100644
--- a/arch/powerpc/sysdev/Makefile
+++ b/arch/powerpc/sysdev/Makefile
@@ -9,11 +9,11 @@ obj-$(CONFIG_BOOKE)		+= dcr.o
 obj-$(CONFIG_40x)               += dcr.o
 obj-$(CONFIG_U3_DART)           += dart_iommu.o
 obj-$(CONFIG_MMIO_NVRAM)        += mmio_nvram.o
-obj-$(CONFIG_PPC_83xx)          += ipic.o
 obj-$(CONFIG_FSL_SOC)           += fsl_soc.o
 obj-$(CONFIG_PPC_TODC)          += todc.o
 obj-$(CONFIG_TSI108_BRIDGE)     += tsi108_pci.o tsi108_dev.o
 
 ifeq ($(CONFIG_PPC_MERGE),y)
 obj-$(CONFIG_PPC_I8259)         += i8259.o
- endif
+obj-$(CONFIG_PPC_83xx)          += ipic.o
+endif
diff --git a/arch/powerpc/sysdev/ipic.c b/arch/powerpc/sysdev/ipic.c
index 46801f5ec03f..70e707785d49 100644
--- a/arch/powerpc/sysdev/ipic.c
+++ b/arch/powerpc/sysdev/ipic.c
@@ -19,15 +19,18 @@
 #include <linux/sched.h>
 #include <linux/signal.h>
 #include <linux/sysdev.h>
+#include <linux/device.h>
+#include <linux/bootmem.h>
+#include <linux/spinlock.h>
 #include <asm/irq.h>
 #include <asm/io.h>
+#include <asm/prom.h>
 #include <asm/ipic.h>
-#include <asm/mpc83xx.h>
 
 #include "ipic.h"
 
-static struct ipic p_ipic;
 static struct ipic * primary_ipic;
+static DEFINE_SPINLOCK(ipic_lock);
 
 static struct ipic_info ipic_info[] = {
         [9] = {
@@ -373,74 +376,220 @@ static inline void ipic_write(volatile u32 __iomem *base, unsigned int reg, u32
         out_be32(base + (reg >> 2), value);
 }
 
-static inline struct ipic * ipic_from_irq(unsigned int irq)
+static inline struct ipic * ipic_from_irq(unsigned int virq)
 {
         return primary_ipic;
 }
 
-static void ipic_enable_irq(unsigned int irq)
+#define ipic_irq_to_hw(virq)    ((unsigned int)irq_map[virq].hwirq)
+
+static void ipic_unmask_irq(unsigned int virq)
 {
-        struct ipic *ipic = ipic_from_irq(irq);
-        unsigned int src = irq - ipic->irq_offset;
+        struct ipic *ipic = ipic_from_irq(virq);
+        unsigned int src = ipic_irq_to_hw(virq);
+        unsigned long flags;
         u32 temp;
 
+        spin_lock_irqsave(&ipic_lock, flags);
+
         temp = ipic_read(ipic->regs, ipic_info[src].mask);
         temp |= (1 << (31 - ipic_info[src].bit));
         ipic_write(ipic->regs, ipic_info[src].mask, temp);
+
+        spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
-static void ipic_disable_irq(unsigned int irq)
+static void ipic_mask_irq(unsigned int virq)
 {
-        struct ipic *ipic = ipic_from_irq(irq);
-        unsigned int src = irq - ipic->irq_offset;
+        struct ipic *ipic = ipic_from_irq(virq);
+        unsigned int src = ipic_irq_to_hw(virq);
+        unsigned long flags;
         u32 temp;
 
+        spin_lock_irqsave(&ipic_lock, flags);
+
         temp = ipic_read(ipic->regs, ipic_info[src].mask);
         temp &= ~(1 << (31 - ipic_info[src].bit));
         ipic_write(ipic->regs, ipic_info[src].mask, temp);
+
+        spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
-static void ipic_disable_irq_and_ack(unsigned int irq)
+static void ipic_ack_irq(unsigned int virq)
 {
-        struct ipic *ipic = ipic_from_irq(irq);
-        unsigned int src = irq - ipic->irq_offset;
+        struct ipic *ipic = ipic_from_irq(virq);
+        unsigned int src = ipic_irq_to_hw(virq);
+        unsigned long flags;
         u32 temp;
 
-        ipic_disable_irq(irq);
+        spin_lock_irqsave(&ipic_lock, flags);
 
         temp = ipic_read(ipic->regs, ipic_info[src].pend);
         temp |= (1 << (31 - ipic_info[src].bit));
         ipic_write(ipic->regs, ipic_info[src].pend, temp);
+
+        spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
-static void ipic_end_irq(unsigned int irq)
+static void ipic_mask_irq_and_ack(unsigned int virq)
 {
-        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
-                ipic_enable_irq(irq);
+        struct ipic *ipic = ipic_from_irq(virq);
+        unsigned int src = ipic_irq_to_hw(virq);
+        unsigned long flags;
+        u32 temp;
+
+        spin_lock_irqsave(&ipic_lock, flags);
+
+        temp = ipic_read(ipic->regs, ipic_info[src].mask);
+        temp &= ~(1 << (31 - ipic_info[src].bit));
+        ipic_write(ipic->regs, ipic_info[src].mask, temp);
+
+        temp = ipic_read(ipic->regs, ipic_info[src].pend);
+        temp |= (1 << (31 - ipic_info[src].bit));
+        ipic_write(ipic->regs, ipic_info[src].pend, temp);
+
+        spin_unlock_irqrestore(&ipic_lock, flags);
 }
 
-struct hw_interrupt_type ipic = {
-        .typename = " IPIC  ",
-        .enable = ipic_enable_irq,
-        .disable = ipic_disable_irq,
-        .ack = ipic_disable_irq_and_ack,
-        .end = ipic_end_irq,
+static int ipic_set_irq_type(unsigned int virq, unsigned int flow_type)
+{
+        struct ipic *ipic = ipic_from_irq(virq);
+        unsigned int src = ipic_irq_to_hw(virq);
+        struct irq_desc *desc = get_irq_desc(virq);
+        unsigned int vold, vnew, edibit;
+
+        if (flow_type == IRQ_TYPE_NONE)
+                flow_type = IRQ_TYPE_LEVEL_LOW;
+
+        /* ipic supports only low assertion and high-to-low change senses
+         */
+        if (!(flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_EDGE_FALLING))) {
+                printk(KERN_ERR "ipic: sense type 0x%x not supported\n",
+                        flow_type);
+                return -EINVAL;
+        }
+
+        desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL);
+        desc->status |= flow_type & IRQ_TYPE_SENSE_MASK;
+        if (flow_type & IRQ_TYPE_LEVEL_LOW)  {
+                desc->status |= IRQ_LEVEL;
+                set_irq_handler(virq, handle_level_irq);
+        } else {
+                set_irq_handler(virq, handle_edge_irq);
+        }
+
+        /* only EXT IRQ senses are programmable on ipic
+         * internal IRQ senses are LEVEL_LOW
+         */
+        if (src == IPIC_IRQ_EXT0)
+                edibit = 15;
+        else
+                if (src >= IPIC_IRQ_EXT1 && src <= IPIC_IRQ_EXT7)
+                        edibit = (14 - (src - IPIC_IRQ_EXT1));
+                else
+                        return (flow_type & IRQ_TYPE_LEVEL_LOW) ? 0 : -EINVAL;
+
+        vold = ipic_read(ipic->regs, IPIC_SECNR);
+        if ((flow_type & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_FALLING) {
+                vnew = vold | (1 << edibit);
+        } else {
+                vnew = vold & ~(1 << edibit);
+        }
+        if (vold != vnew)
+                ipic_write(ipic->regs, IPIC_SECNR, vnew);
+        return 0;
+}
+
+static struct irq_chip ipic_irq_chip = {
+        .typename       = " IPIC  ",
+        .unmask         = ipic_unmask_irq,
+        .mask           = ipic_mask_irq,
+        .mask_ack       = ipic_mask_irq_and_ack,
+        .ack            = ipic_ack_irq,
+        .set_type       = ipic_set_irq_type,
+};
+
+static int ipic_host_match(struct irq_host *h, struct device_node *node)
+{
+        struct ipic *ipic = h->host_data;
+
+        /* Exact match, unless ipic node is NULL */
+        return ipic->of_node == NULL || ipic->of_node == node;
+}
+
+static int ipic_host_map(struct irq_host *h, unsigned int virq,
+                         irq_hw_number_t hw)
+{
+        struct ipic *ipic = h->host_data;
+        struct irq_chip *chip;
+
+        /* Default chip */
+        chip = &ipic->hc_irq;
+
+        set_irq_chip_data(virq, ipic);
+        set_irq_chip_and_handler(virq, chip, handle_level_irq);
+
+        /* Set default irq type */
+        set_irq_type(virq, IRQ_TYPE_NONE);
+
+        return 0;
+}
+
+static int ipic_host_xlate(struct irq_host *h, struct device_node *ct,
+                           u32 *intspec, unsigned int intsize,
+                           irq_hw_number_t *out_hwirq, unsigned int *out_flags)
+
+{
+        /* interrupt sense values coming from the device tree equal either
+         * LEVEL_LOW (low assertion) or EDGE_FALLING (high-to-low change)
+         */
+        *out_hwirq = intspec[0];
+        if (intsize > 1)
+                *out_flags = intspec[1];
+        else
+                *out_flags = IRQ_TYPE_NONE;
+        return 0;
+}
+
+static struct irq_host_ops ipic_host_ops = {
+        .match  = ipic_host_match,
+        .map    = ipic_host_map,
+        .xlate  = ipic_host_xlate,
 };
 
-void __init ipic_init(phys_addr_t phys_addr,
-                unsigned int flags,
-                unsigned int irq_offset,
-                unsigned char *senses,
-                unsigned int senses_count)
+void __init ipic_init(struct device_node *node,
+                unsigned int flags)
 {
-        u32 i, temp = 0;
+        struct ipic     *ipic;
+        struct resource res;
+        u32 temp = 0, ret;
+
+        ipic = alloc_bootmem(sizeof(struct ipic));
+        if (ipic == NULL)
+                return;
+
+        memset(ipic, 0, sizeof(struct ipic));
+        ipic->of_node = node ? of_node_get(node) : NULL;
+
+        ipic->irqhost = irq_alloc_host(IRQ_HOST_MAP_LINEAR,
+                                       NR_IPIC_INTS,
+                                       &ipic_host_ops, 0);
+        if (ipic->irqhost == NULL) {
+                of_node_put(node);
+                return;
+        }
+
+        ret = of_address_to_resource(node, 0, &res);
+        if (ret)
+                return;
 
-        primary_ipic = &p_ipic;
-        primary_ipic->regs = ioremap(phys_addr, MPC83xx_IPIC_SIZE);
+        ipic->regs = ioremap(res.start, res.end - res.start + 1);
 
-        primary_ipic->irq_offset = irq_offset;
+        ipic->irqhost->host_data = ipic;
+        ipic->hc_irq = ipic_irq_chip;
 
-        ipic_write(primary_ipic->regs, IPIC_SICNR, 0x0);
+        /* init hw */
+        ipic_write(ipic->regs, IPIC_SICNR, 0x0);
 
         /* default priority scheme is grouped. If spread mode is required
          * configure SICFR accordingly */
@@ -453,49 +602,35 @@ void __init ipic_init(phys_addr_t phys_addr,
         if (flags & IPIC_SPREADMODE_MIX_B)
                 temp |= SICFR_MPSB;
 
-        ipic_write(primary_ipic->regs, IPIC_SICNR, temp);
+        ipic_write(ipic->regs, IPIC_SICNR, temp);
 
         /* handle MCP route */
         temp = 0;
         if (flags & IPIC_DISABLE_MCP_OUT)
                 temp = SERCR_MCPR;
-        ipic_write(primary_ipic->regs, IPIC_SERCR, temp);
+        ipic_write(ipic->regs, IPIC_SERCR, temp);
 
         /* handle routing of IRQ0 to MCP */
-        temp = ipic_read(primary_ipic->regs, IPIC_SEMSR);
+        temp = ipic_read(ipic->regs, IPIC_SEMSR);
 
         if (flags & IPIC_IRQ0_MCP)
                 temp |= SEMSR_SIRQ0;
         else
                 temp &= ~SEMSR_SIRQ0;
 
-        ipic_write(primary_ipic->regs, IPIC_SEMSR, temp);
+        ipic_write(ipic->regs, IPIC_SEMSR, temp);
 
-        for (i = 0 ; i < NR_IPIC_INTS ; i++) {
-                irq_desc[i+irq_offset].chip = &ipic;
-                irq_desc[i+irq_offset].status = IRQ_LEVEL;
-        }
+        primary_ipic = ipic;
+        irq_set_default_host(primary_ipic->irqhost);
 
-        temp = 0;
-        for (i = 0 ; i < senses_count ; i++) {
-                if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
-                        temp |= 1 << (15 - i);
-                        if (i != 0)
-                                irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
-                        else
-                                irq_desc[irq_offset + MPC83xx_IRQ_EXT0].status = 0;
-                }
-        }
-        ipic_write(primary_ipic->regs, IPIC_SECNR, temp);
-
-        printk ("IPIC (%d IRQ sources, %d External IRQs) at %p\n", NR_IPIC_INTS,
-                        senses_count, primary_ipic->regs);
+        printk ("IPIC (%d IRQ sources) at %p\n", NR_IPIC_INTS,
+                        primary_ipic->regs);
 }
 
-int ipic_set_priority(unsigned int irq, unsigned int priority)
+int ipic_set_priority(unsigned int virq, unsigned int priority)
 {
-        struct ipic *ipic = ipic_from_irq(irq);
-        unsigned int src = irq - ipic->irq_offset;
+        struct ipic *ipic = ipic_from_irq(virq);
+        unsigned int src = ipic_irq_to_hw(virq);
         u32 temp;
 
         if (priority > 7)
@@ -520,10 +655,10 @@ int ipic_set_priority(unsigned int irq, unsigned int priority)
         return 0;
 }
 
-void ipic_set_highest_priority(unsigned int irq)
+void ipic_set_highest_priority(unsigned int virq)
 {
-        struct ipic *ipic = ipic_from_irq(irq);
-        unsigned int src = irq - ipic->irq_offset;
+        struct ipic *ipic = ipic_from_irq(virq);
+        unsigned int src = ipic_irq_to_hw(virq);
         u32 temp;
 
         temp = ipic_read(ipic->regs, IPIC_SICFR);
@@ -537,37 +672,10 @@ void ipic_set_highest_priority(unsigned int irq)
 
 void ipic_set_default_priority(void)
 {
-        ipic_set_priority(MPC83xx_IRQ_TSEC1_TX, 0);
-        ipic_set_priority(MPC83xx_IRQ_TSEC1_RX, 1);
-        ipic_set_priority(MPC83xx_IRQ_TSEC1_ERROR, 2);
-        ipic_set_priority(MPC83xx_IRQ_TSEC2_TX, 3);
-        ipic_set_priority(MPC83xx_IRQ_TSEC2_RX, 4);
-        ipic_set_priority(MPC83xx_IRQ_TSEC2_ERROR, 5);
-        ipic_set_priority(MPC83xx_IRQ_USB2_DR, 6);
-        ipic_set_priority(MPC83xx_IRQ_USB2_MPH, 7);
-
-        ipic_set_priority(MPC83xx_IRQ_UART1, 0);
-        ipic_set_priority(MPC83xx_IRQ_UART2, 1);
-        ipic_set_priority(MPC83xx_IRQ_SEC2, 2);
-        ipic_set_priority(MPC83xx_IRQ_IIC1, 5);
-        ipic_set_priority(MPC83xx_IRQ_IIC2, 6);
-        ipic_set_priority(MPC83xx_IRQ_SPI, 7);
-        ipic_set_priority(MPC83xx_IRQ_RTC_SEC, 0);
-        ipic_set_priority(MPC83xx_IRQ_PIT, 1);
-        ipic_set_priority(MPC83xx_IRQ_PCI1, 2);
-        ipic_set_priority(MPC83xx_IRQ_PCI2, 3);
-        ipic_set_priority(MPC83xx_IRQ_EXT0, 4);
-        ipic_set_priority(MPC83xx_IRQ_EXT1, 5);
-        ipic_set_priority(MPC83xx_IRQ_EXT2, 6);
-        ipic_set_priority(MPC83xx_IRQ_EXT3, 7);
-        ipic_set_priority(MPC83xx_IRQ_RTC_ALR, 0);
-        ipic_set_priority(MPC83xx_IRQ_MU, 1);
-        ipic_set_priority(MPC83xx_IRQ_SBA, 2);
-        ipic_set_priority(MPC83xx_IRQ_DMA, 3);
-        ipic_set_priority(MPC83xx_IRQ_EXT4, 4);
-        ipic_set_priority(MPC83xx_IRQ_EXT5, 5);
-        ipic_set_priority(MPC83xx_IRQ_EXT6, 6);
-        ipic_set_priority(MPC83xx_IRQ_EXT7, 7);
+        ipic_write(primary_ipic->regs, IPIC_SIPRR_A, IPIC_SIPRR_A_DEFAULT);
+        ipic_write(primary_ipic->regs, IPIC_SIPRR_D, IPIC_SIPRR_D_DEFAULT);
+        ipic_write(primary_ipic->regs, IPIC_SMPRR_A, IPIC_SMPRR_A_DEFAULT);
+        ipic_write(primary_ipic->regs, IPIC_SMPRR_B, IPIC_SMPRR_B_DEFAULT);
 }
 
 void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq)
@@ -600,17 +708,20 @@ void ipic_clear_mcp_status(u32 mask)
         ipic_write(primary_ipic->regs, IPIC_SERMR, mask);
 }
 
-/* Return an interrupt vector or -1 if no interrupt is pending. */
-int ipic_get_irq(struct pt_regs *regs)
+/* Return an interrupt vector or NO_IRQ if no interrupt is pending. */
+unsigned int ipic_get_irq(struct pt_regs *regs)
 {
         int irq;
 
-        irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & 0x7f;
+        BUG_ON(primary_ipic == NULL);
+
+#define IPIC_SIVCR_VECTOR_MASK  0x7f
+        irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & IPIC_SIVCR_VECTOR_MASK;
 
         if (irq == 0)    /* 0 --> no irq is pending */
-                irq = -1;
+                return NO_IRQ;
 
-        return irq;
+        return irq_linear_revmap(primary_ipic->irqhost, irq);
 }
 
 static struct sysdev_class ipic_sysclass = {
diff --git a/arch/powerpc/sysdev/ipic.h b/arch/powerpc/sysdev/ipic.h
index a60c9d18bb7f..c28e589877eb 100644
--- a/arch/powerpc/sysdev/ipic.h
+++ b/arch/powerpc/sysdev/ipic.h
@@ -15,7 +15,18 @@
 
 #include <asm/ipic.h>
 
-#define MPC83xx_IPIC_SIZE       (0x00100)
+#define NR_IPIC_INTS 128
+
+/* External IRQS */
+#define IPIC_IRQ_EXT0 48
+#define IPIC_IRQ_EXT1 17
+#define IPIC_IRQ_EXT7 23
+
+/* Default Priority Registers */
+#define IPIC_SIPRR_A_DEFAULT 0x05309770
+#define IPIC_SIPRR_D_DEFAULT 0x05309770
+#define IPIC_SMPRR_A_DEFAULT 0x05309770
+#define IPIC_SMPRR_B_DEFAULT 0x05309770
 
 /* System Global Interrupt Configuration Register */
 #define SICFR_IPSA      0x00010000
@@ -31,7 +42,15 @@
 
 struct ipic {
         volatile u32 __iomem    *regs;
-        unsigned int            irq_offset;
+
+        /* The remapper for this IPIC */
+        struct irq_host         *irqhost;
+
+        /* The "linux" controller struct */
+        struct irq_chip         hc_irq;
+
+        /* The device node of the interrupt controller */
+        struct device_node      *of_node;
 };
 
 struct ipic_info {
diff --git a/arch/powerpc/sysdev/mpic.c b/arch/powerpc/sysdev/mpic.c
index 6e0281afa6c3..b604926401f5 100644
--- a/arch/powerpc/sysdev/mpic.c
+++ b/arch/powerpc/sysdev/mpic.c
@@ -54,6 +54,94 @@ static DEFINE_SPINLOCK(mpic_lock);
 #endif
 #endif
 
+#ifdef CONFIG_MPIC_WEIRD
+static u32 mpic_infos[][MPIC_IDX_END] = {
+        [0] = { /* Original OpenPIC compatible MPIC */
+                MPIC_GREG_BASE,
+                MPIC_GREG_FEATURE_0,
+                MPIC_GREG_GLOBAL_CONF_0,
+                MPIC_GREG_VENDOR_ID,
+                MPIC_GREG_IPI_VECTOR_PRI_0,
+                MPIC_GREG_IPI_STRIDE,
+                MPIC_GREG_SPURIOUS,
+                MPIC_GREG_TIMER_FREQ,
+
+                MPIC_TIMER_BASE,
+                MPIC_TIMER_STRIDE,
+                MPIC_TIMER_CURRENT_CNT,
+                MPIC_TIMER_BASE_CNT,
+                MPIC_TIMER_VECTOR_PRI,
+                MPIC_TIMER_DESTINATION,
+
+                MPIC_CPU_BASE,
+                MPIC_CPU_STRIDE,
+                MPIC_CPU_IPI_DISPATCH_0,
+                MPIC_CPU_IPI_DISPATCH_STRIDE,
+                MPIC_CPU_CURRENT_TASK_PRI,
+                MPIC_CPU_WHOAMI,
+                MPIC_CPU_INTACK,
+                MPIC_CPU_EOI,
+
+                MPIC_IRQ_BASE,
+                MPIC_IRQ_STRIDE,
+                MPIC_IRQ_VECTOR_PRI,
+                MPIC_VECPRI_VECTOR_MASK,
+                MPIC_VECPRI_POLARITY_POSITIVE,
+                MPIC_VECPRI_POLARITY_NEGATIVE,
+                MPIC_VECPRI_SENSE_LEVEL,
+                MPIC_VECPRI_SENSE_EDGE,
+                MPIC_VECPRI_POLARITY_MASK,
+                MPIC_VECPRI_SENSE_MASK,
+                MPIC_IRQ_DESTINATION
+        },
+        [1] = { /* Tsi108/109 PIC */
+                TSI108_GREG_BASE,
+                TSI108_GREG_FEATURE_0,
+                TSI108_GREG_GLOBAL_CONF_0,
+                TSI108_GREG_VENDOR_ID,
+                TSI108_GREG_IPI_VECTOR_PRI_0,
+                TSI108_GREG_IPI_STRIDE,
+                TSI108_GREG_SPURIOUS,
+                TSI108_GREG_TIMER_FREQ,
+
+                TSI108_TIMER_BASE,
+                TSI108_TIMER_STRIDE,
+                TSI108_TIMER_CURRENT_CNT,
+                TSI108_TIMER_BASE_CNT,
+                TSI108_TIMER_VECTOR_PRI,
+                TSI108_TIMER_DESTINATION,
+
+                TSI108_CPU_BASE,
+                TSI108_CPU_STRIDE,
+                TSI108_CPU_IPI_DISPATCH_0,
+                TSI108_CPU_IPI_DISPATCH_STRIDE,
+                TSI108_CPU_CURRENT_TASK_PRI,
+                TSI108_CPU_WHOAMI,
+                TSI108_CPU_INTACK,
+                TSI108_CPU_EOI,
+
+                TSI108_IRQ_BASE,
+                TSI108_IRQ_STRIDE,
+                TSI108_IRQ_VECTOR_PRI,
+                TSI108_VECPRI_VECTOR_MASK,
+                TSI108_VECPRI_POLARITY_POSITIVE,
+                TSI108_VECPRI_POLARITY_NEGATIVE,
+                TSI108_VECPRI_SENSE_LEVEL,
+                TSI108_VECPRI_SENSE_EDGE,
+                TSI108_VECPRI_POLARITY_MASK,
+                TSI108_VECPRI_SENSE_MASK,
+                TSI108_IRQ_DESTINATION
+        },
+};
+
+#define MPIC_INFO(name) mpic->hw_set[MPIC_IDX_##name]
+
+#else /* CONFIG_MPIC_WEIRD */
+
+#define MPIC_INFO(name) MPIC_##name
+
+#endif /* CONFIG_MPIC_WEIRD */
+
 /*
  * Register accessor functions
  */
@@ -80,7 +168,8 @@ static inline void _mpic_write(unsigned int be, volatile u32 __iomem *base,
 static inline u32 _mpic_ipi_read(struct mpic *mpic, unsigned int ipi)
 {
         unsigned int be = (mpic->flags & MPIC_BIG_ENDIAN) != 0;
-        unsigned int offset = MPIC_GREG_IPI_VECTOR_PRI_0 + (ipi * 0x10);
+        unsigned int offset = MPIC_INFO(GREG_IPI_VECTOR_PRI_0) +
+                              (ipi * MPIC_INFO(GREG_IPI_STRIDE));
 
         if (mpic->flags & MPIC_BROKEN_IPI)
                 be = !be;
@@ -89,7 +178,8 @@ static inline u32 _mpic_ipi_read(struct mpic *mpic, unsigned int ipi)
 
 static inline void _mpic_ipi_write(struct mpic *mpic, unsigned int ipi, u32 value)
 {
-        unsigned int offset = MPIC_GREG_IPI_VECTOR_PRI_0 + (ipi * 0x10);
+        unsigned int offset = MPIC_INFO(GREG_IPI_VECTOR_PRI_0) +
+                              (ipi * MPIC_INFO(GREG_IPI_STRIDE));
 
         _mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->gregs, offset, value);
 }
@@ -120,7 +210,7 @@ static inline u32 _mpic_irq_read(struct mpic *mpic, unsigned int src_no, unsigne
         unsigned int    idx = src_no & mpic->isu_mask;
 
         return _mpic_read(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu],
-                          reg + (idx * MPIC_IRQ_STRIDE));
+                          reg + (idx * MPIC_INFO(IRQ_STRIDE)));
 }
 
 static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
@@ -130,7 +220,7 @@ static inline void _mpic_irq_write(struct mpic *mpic, unsigned int src_no,
         unsigned int    idx = src_no & mpic->isu_mask;
 
         _mpic_write(mpic->flags & MPIC_BIG_ENDIAN, mpic->isus[isu],
-                    reg + (idx * MPIC_IRQ_STRIDE), value);
+                    reg + (idx * MPIC_INFO(IRQ_STRIDE)), value);
 }
 
 #define mpic_read(b,r)          _mpic_read(mpic->flags & MPIC_BIG_ENDIAN,(b),(r))
@@ -156,8 +246,8 @@ static void __init mpic_test_broken_ipi(struct mpic *mpic)
 {
         u32 r;
 
-        mpic_write(mpic->gregs, MPIC_GREG_IPI_VECTOR_PRI_0, MPIC_VECPRI_MASK);
-        r = mpic_read(mpic->gregs, MPIC_GREG_IPI_VECTOR_PRI_0);
+        mpic_write(mpic->gregs, MPIC_INFO(GREG_IPI_VECTOR_PRI_0), MPIC_VECPRI_MASK);
+        r = mpic_read(mpic->gregs, MPIC_INFO(GREG_IPI_VECTOR_PRI_0));
 
         if (r == le32_to_cpu(MPIC_VECPRI_MASK)) {
                 printk(KERN_INFO "mpic: Detected reversed IPI registers\n");
@@ -394,8 +484,8 @@ static inline struct mpic * mpic_from_irq(unsigned int irq)
 /* Send an EOI */
 static inline void mpic_eoi(struct mpic *mpic)
 {
-        mpic_cpu_write(MPIC_CPU_EOI, 0);
-        (void)mpic_cpu_read(MPIC_CPU_WHOAMI);
+        mpic_cpu_write(MPIC_INFO(CPU_EOI), 0);
+        (void)mpic_cpu_read(MPIC_INFO(CPU_WHOAMI));
 }
 
 #ifdef CONFIG_SMP
@@ -419,8 +509,8 @@ static void mpic_unmask_irq(unsigned int irq)
 
         DBG("%p: %s: enable_irq: %d (src %d)\n", mpic, mpic->name, irq, src);
 
-        mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
-                       mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) &
+        mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
+                       mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) &
                        ~MPIC_VECPRI_MASK);
         /* make sure mask gets to controller before we return to user */
         do {
@@ -428,7 +518,7 @@ static void mpic_unmask_irq(unsigned int irq)
                         printk(KERN_ERR "mpic_enable_irq timeout\n");
                         break;
                 }
-        } while(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK);
+        } while(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK);
 }
 
 static void mpic_mask_irq(unsigned int irq)
@@ -439,8 +529,8 @@ static void mpic_mask_irq(unsigned int irq)
 
         DBG("%s: disable_irq: %d (src %d)\n", mpic->name, irq, src);
 
-        mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
-                       mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) |
+        mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
+                       mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) |
                        MPIC_VECPRI_MASK);
 
         /* make sure mask gets to controller before we return to user */
@@ -449,7 +539,7 @@ static void mpic_mask_irq(unsigned int irq)
                         printk(KERN_ERR "mpic_enable_irq timeout\n");
                         break;
                 }
-        } while(!(mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI) & MPIC_VECPRI_MASK));
+        } while(!(mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI)) & MPIC_VECPRI_MASK));
 }
 
 static void mpic_end_irq(unsigned int irq)
@@ -560,24 +650,28 @@ static void mpic_set_affinity(unsigned int irq, cpumask_t cpumask)
 
         cpus_and(tmp, cpumask, cpu_online_map);
 
-        mpic_irq_write(src, MPIC_IRQ_DESTINATION,
+        mpic_irq_write(src, MPIC_INFO(IRQ_DESTINATION),
                        mpic_physmask(cpus_addr(tmp)[0]));       
 }
 
-static unsigned int mpic_type_to_vecpri(unsigned int type)
+static unsigned int mpic_type_to_vecpri(struct mpic *mpic, unsigned int type)
 {
         /* Now convert sense value */
         switch(type & IRQ_TYPE_SENSE_MASK) {
         case IRQ_TYPE_EDGE_RISING:
-                return MPIC_VECPRI_SENSE_EDGE | MPIC_VECPRI_POLARITY_POSITIVE;
+                return MPIC_INFO(VECPRI_SENSE_EDGE) |
+                       MPIC_INFO(VECPRI_POLARITY_POSITIVE);
         case IRQ_TYPE_EDGE_FALLING:
         case IRQ_TYPE_EDGE_BOTH:
-                return MPIC_VECPRI_SENSE_EDGE | MPIC_VECPRI_POLARITY_NEGATIVE;
+                return MPIC_INFO(VECPRI_SENSE_EDGE) |
+                       MPIC_INFO(VECPRI_POLARITY_NEGATIVE);
         case IRQ_TYPE_LEVEL_HIGH:
-                return MPIC_VECPRI_SENSE_LEVEL | MPIC_VECPRI_POLARITY_POSITIVE;
+                return MPIC_INFO(VECPRI_SENSE_LEVEL) |
+                       MPIC_INFO(VECPRI_POLARITY_POSITIVE);
         case IRQ_TYPE_LEVEL_LOW:
         default:
-                return MPIC_VECPRI_SENSE_LEVEL | MPIC_VECPRI_POLARITY_NEGATIVE;
+                return MPIC_INFO(VECPRI_SENSE_LEVEL) |
+                       MPIC_INFO(VECPRI_POLARITY_NEGATIVE);
         }
 }
 
@@ -609,13 +703,14 @@ static int mpic_set_irq_type(unsigned int virq, unsigned int flow_type)
                 vecpri = MPIC_VECPRI_POLARITY_POSITIVE |
                         MPIC_VECPRI_SENSE_EDGE;
         else
-                vecpri = mpic_type_to_vecpri(flow_type);
+                vecpri = mpic_type_to_vecpri(mpic, flow_type);
 
-        vold = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI);
-        vnew = vold & ~(MPIC_VECPRI_POLARITY_MASK | MPIC_VECPRI_SENSE_MASK);
+        vold = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
+        vnew = vold & ~(MPIC_INFO(VECPRI_POLARITY_MASK) |
+                        MPIC_INFO(VECPRI_SENSE_MASK));
         vnew |= vecpri;
         if (vold != vnew)
-                mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI, vnew);
+                mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI), vnew);
 
         return 0;
 }
@@ -798,17 +893,22 @@ struct mpic * __init mpic_alloc(struct device_node *node,
         mpic->irq_count = irq_count;
         mpic->num_sources = 0; /* so far */
 
+#ifdef CONFIG_MPIC_WEIRD
+        mpic->hw_set = mpic_infos[MPIC_GET_REGSET(flags)];
+#endif
+
         /* Map the global registers */
-        mpic->gregs = ioremap(phys_addr + MPIC_GREG_BASE, 0x1000);
-        mpic->tmregs = mpic->gregs + ((MPIC_TIMER_BASE - MPIC_GREG_BASE) >> 2);
+        mpic->gregs = ioremap(phys_addr + MPIC_INFO(GREG_BASE), 0x1000);
+        mpic->tmregs = mpic->gregs +
+                       ((MPIC_INFO(TIMER_BASE) - MPIC_INFO(GREG_BASE)) >> 2);
         BUG_ON(mpic->gregs == NULL);
 
         /* Reset */
         if (flags & MPIC_WANTS_RESET) {
-                mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0,
-                           mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
+                mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0),
+                           mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
                            | MPIC_GREG_GCONF_RESET);
-                while( mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
+                while( mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
                        & MPIC_GREG_GCONF_RESET)
                         mb();
         }
@@ -817,7 +917,7 @@ struct mpic * __init mpic_alloc(struct device_node *node,
          * MPICs, num sources as well. On ISU MPICs, sources are counted
          * as ISUs are added
          */
-        reg = mpic_read(mpic->gregs, MPIC_GREG_FEATURE_0);
+        reg = mpic_read(mpic->gregs, MPIC_INFO(GREG_FEATURE_0));
         mpic->num_cpus = ((reg & MPIC_GREG_FEATURE_LAST_CPU_MASK)
                           >> MPIC_GREG_FEATURE_LAST_CPU_SHIFT) + 1;
         if (isu_size == 0)
@@ -826,16 +926,16 @@ struct mpic * __init mpic_alloc(struct device_node *node,
 
         /* Map the per-CPU registers */
         for (i = 0; i < mpic->num_cpus; i++) {
-                mpic->cpuregs[i] = ioremap(phys_addr + MPIC_CPU_BASE +
-                                           i * MPIC_CPU_STRIDE, 0x1000);
+                mpic->cpuregs[i] = ioremap(phys_addr + MPIC_INFO(CPU_BASE) +
+                                           i * MPIC_INFO(CPU_STRIDE), 0x1000);
                 BUG_ON(mpic->cpuregs[i] == NULL);
         }
 
         /* Initialize main ISU if none provided */
         if (mpic->isu_size == 0) {
                 mpic->isu_size = mpic->num_sources;
-                mpic->isus[0] = ioremap(phys_addr + MPIC_IRQ_BASE,
-                                        MPIC_IRQ_STRIDE * mpic->isu_size);
+                mpic->isus[0] = ioremap(phys_addr + MPIC_INFO(IRQ_BASE),
+                                        MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
                 BUG_ON(mpic->isus[0] == NULL);
         }
         mpic->isu_shift = 1 + __ilog2(mpic->isu_size - 1);
@@ -879,7 +979,8 @@ void __init mpic_assign_isu(struct mpic *mpic, unsigned int isu_num,
 
         BUG_ON(isu_num >= MPIC_MAX_ISU);
 
-        mpic->isus[isu_num] = ioremap(phys_addr, MPIC_IRQ_STRIDE * mpic->isu_size);
+        mpic->isus[isu_num] = ioremap(phys_addr,
+                                      MPIC_INFO(IRQ_STRIDE) * mpic->isu_size);
         if ((isu_first + mpic->isu_size) > mpic->num_sources)
                 mpic->num_sources = isu_first + mpic->isu_size;
 }
@@ -904,14 +1005,16 @@ void __init mpic_init(struct mpic *mpic)
         printk(KERN_INFO "mpic: Initializing for %d sources\n", mpic->num_sources);
 
         /* Set current processor priority to max */
-        mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0xf);
+        mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0xf);
 
         /* Initialize timers: just disable them all */
         for (i = 0; i < 4; i++) {
                 mpic_write(mpic->tmregs,
-                           i * MPIC_TIMER_STRIDE + MPIC_TIMER_DESTINATION, 0);
+                           i * MPIC_INFO(TIMER_STRIDE) +
+                           MPIC_INFO(TIMER_DESTINATION), 0);
                 mpic_write(mpic->tmregs,
-                           i * MPIC_TIMER_STRIDE + MPIC_TIMER_VECTOR_PRI,
+                           i * MPIC_INFO(TIMER_STRIDE) +
+                           MPIC_INFO(TIMER_VECTOR_PRI),
                            MPIC_VECPRI_MASK |
                            (MPIC_VEC_TIMER_0 + i));
         }
@@ -940,21 +1043,22 @@ void __init mpic_init(struct mpic *mpic)
                         (8 << MPIC_VECPRI_PRIORITY_SHIFT);
                 
                 /* init hw */
-                mpic_irq_write(i, MPIC_IRQ_VECTOR_PRI, vecpri);
-                mpic_irq_write(i, MPIC_IRQ_DESTINATION,
+                mpic_irq_write(i, MPIC_INFO(IRQ_VECTOR_PRI), vecpri);
+                mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
                                1 << hard_smp_processor_id());
         }
         
         /* Init spurrious vector */
-        mpic_write(mpic->gregs, MPIC_GREG_SPURIOUS, MPIC_VEC_SPURRIOUS);
+        mpic_write(mpic->gregs, MPIC_INFO(GREG_SPURIOUS), MPIC_VEC_SPURRIOUS);
 
-        /* Disable 8259 passthrough */
-        mpic_write(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0,
-                   mpic_read(mpic->gregs, MPIC_GREG_GLOBAL_CONF_0)
-                   | MPIC_GREG_GCONF_8259_PTHROU_DIS);
+        /* Disable 8259 passthrough, if supported */
+        if (!(mpic->flags & MPIC_NO_PTHROU_DIS))
+                mpic_write(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0),
+                           mpic_read(mpic->gregs, MPIC_INFO(GREG_GLOBAL_CONF_0))
+                           | MPIC_GREG_GCONF_8259_PTHROU_DIS);
 
         /* Set current processor priority to 0 */
-        mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0);
+        mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
 }
 
 void __init mpic_set_clk_ratio(struct mpic *mpic, u32 clock_ratio)
@@ -997,9 +1101,9 @@ void mpic_irq_set_priority(unsigned int irq, unsigned int pri)
                 mpic_ipi_write(src - MPIC_VEC_IPI_0,
                                reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
         } else {
-                reg = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI)
+                reg = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI))
                         & ~MPIC_VECPRI_PRIORITY_MASK;
-                mpic_irq_write(src, MPIC_IRQ_VECTOR_PRI,
+                mpic_irq_write(src, MPIC_INFO(IRQ_VECTOR_PRI),
                                reg | (pri << MPIC_VECPRI_PRIORITY_SHIFT));
         }
         spin_unlock_irqrestore(&mpic_lock, flags);
@@ -1017,7 +1121,7 @@ unsigned int mpic_irq_get_priority(unsigned int irq)
         if (is_ipi)
                 reg = mpic_ipi_read(src = MPIC_VEC_IPI_0);
         else
-                reg = mpic_irq_read(src, MPIC_IRQ_VECTOR_PRI);
+                reg = mpic_irq_read(src, MPIC_INFO(IRQ_VECTOR_PRI));
         spin_unlock_irqrestore(&mpic_lock, flags);
         return (reg & MPIC_VECPRI_PRIORITY_MASK) >> MPIC_VECPRI_PRIORITY_SHIFT;
 }
@@ -1043,12 +1147,12 @@ void mpic_setup_this_cpu(void)
          */
         if (distribute_irqs) {
                 for (i = 0; i < mpic->num_sources ; i++)
-                        mpic_irq_write(i, MPIC_IRQ_DESTINATION,
-                                mpic_irq_read(i, MPIC_IRQ_DESTINATION) | msk);
+                        mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
+                                mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)) | msk);
         }
 
         /* Set current processor priority to 0 */
-        mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0);
+        mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0);
 
         spin_unlock_irqrestore(&mpic_lock, flags);
 #endif /* CONFIG_SMP */
@@ -1058,7 +1162,7 @@ int mpic_cpu_get_priority(void)
 {
         struct mpic *mpic = mpic_primary;
 
-        return mpic_cpu_read(MPIC_CPU_CURRENT_TASK_PRI);
+        return mpic_cpu_read(MPIC_INFO(CPU_CURRENT_TASK_PRI));
 }
 
 void mpic_cpu_set_priority(int prio)
@@ -1066,7 +1170,7 @@ void mpic_cpu_set_priority(int prio)
         struct mpic *mpic = mpic_primary;
 
         prio &= MPIC_CPU_TASKPRI_MASK;
-        mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, prio);
+        mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), prio);
 }
 
 /*
@@ -1088,11 +1192,11 @@ void mpic_teardown_this_cpu(int secondary)
 
         /* let the mpic know we don't want intrs.  */
         for (i = 0; i < mpic->num_sources ; i++)
-                mpic_irq_write(i, MPIC_IRQ_DESTINATION,
-                        mpic_irq_read(i, MPIC_IRQ_DESTINATION) & ~msk);
+                mpic_irq_write(i, MPIC_INFO(IRQ_DESTINATION),
+                        mpic_irq_read(i, MPIC_INFO(IRQ_DESTINATION)) & ~msk);
 
         /* Set current processor priority to max */
-        mpic_cpu_write(MPIC_CPU_CURRENT_TASK_PRI, 0xf);
+        mpic_cpu_write(MPIC_INFO(CPU_CURRENT_TASK_PRI), 0xf);
 
         spin_unlock_irqrestore(&mpic_lock, flags);
 }
@@ -1108,7 +1212,8 @@ void mpic_send_ipi(unsigned int ipi_no, unsigned int cpu_mask)
         DBG("%s: send_ipi(ipi_no: %d)\n", mpic->name, ipi_no);
 #endif
 
-        mpic_cpu_write(MPIC_CPU_IPI_DISPATCH_0 + ipi_no * 0x10,
+        mpic_cpu_write(MPIC_INFO(CPU_IPI_DISPATCH_0) +
+                       ipi_no * MPIC_INFO(CPU_IPI_DISPATCH_STRIDE),
                        mpic_physmask(cpu_mask & cpus_addr(cpu_online_map)[0]));
 }
 
@@ -1116,7 +1221,7 @@ unsigned int mpic_get_one_irq(struct mpic *mpic, struct pt_regs *regs)
 {
         u32 src;
 
-        src = mpic_cpu_read(MPIC_CPU_INTACK) & MPIC_VECPRI_VECTOR_MASK;
+        src = mpic_cpu_read(MPIC_INFO(CPU_INTACK)) & MPIC_INFO(VECPRI_VECTOR_MASK);
 #ifdef DEBUG_LOW
         DBG("%s: get_one_irq(): %d\n", mpic->name, src);
 #endif
diff --git a/arch/ppc/kernel/smp-tbsync.c b/arch/ppc/kernel/smp-tbsync.c
index 1576758debaf..d0cf3f86931d 100644
--- a/arch/ppc/kernel/smp-tbsync.c
+++ b/arch/ppc/kernel/smp-tbsync.c
@@ -47,8 +47,9 @@ void __devinit
 smp_generic_take_timebase( void )
 {
         int cmd, tbl, tbu;
+        unsigned long flags;
 
-        local_irq_disable();
+        local_irq_save(flags);
         while( !running )
                 ;
         rmb();
@@ -64,7 +65,7 @@ smp_generic_take_timebase( void )
                 tbu = tbsync->tbu;
                 tbsync->ack = 0;
                 if( cmd == kExit )
-                        return;
+                        break;
 
                 if( cmd == kSetAndTest ) {
                         while( tbsync->handshake )
@@ -77,7 +78,7 @@ smp_generic_take_timebase( void )
                 }
                 enter_contest( tbsync->mark, -1 );
         }
-        local_irq_enable();
+        local_irq_restore(flags);
 }
 
 static int __devinit
diff --git a/arch/ppc/syslib/Makefile b/arch/ppc/syslib/Makefile
index 2497bbc07e76..dca23f2ef851 100644
--- a/arch/ppc/syslib/Makefile
+++ b/arch/ppc/syslib/Makefile
@@ -93,7 +93,7 @@ obj-$(CONFIG_PCI)		+= pci_auto.o
 endif
 obj-$(CONFIG_RAPIDIO)           += ppc85xx_rio.o
 obj-$(CONFIG_83xx)              += ppc83xx_setup.o ppc_sys.o \
-                                        mpc83xx_sys.o mpc83xx_devices.o
+                                        mpc83xx_sys.o mpc83xx_devices.o ipic.o
 ifeq ($(CONFIG_83xx),y)
 obj-$(CONFIG_PCI)               += pci_auto.o
 endif
diff --git a/arch/ppc/syslib/ipic.c b/arch/ppc/syslib/ipic.c
new file mode 100644
index 000000000000..46801f5ec03f
--- /dev/null
+++ b/arch/ppc/syslib/ipic.c
@@ -0,0 +1,646 @@
+/*
+ * include/asm-ppc/ipic.c
+ *
+ * IPIC routines implementations.
+ *
+ * Copyright 2005 Freescale Semiconductor, Inc.
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/errno.h>
+#include <linux/reboot.h>
+#include <linux/slab.h>
+#include <linux/stddef.h>
+#include <linux/sched.h>
+#include <linux/signal.h>
+#include <linux/sysdev.h>
+#include <asm/irq.h>
+#include <asm/io.h>
+#include <asm/ipic.h>
+#include <asm/mpc83xx.h>
+
+#include "ipic.h"
+
+static struct ipic p_ipic;
+static struct ipic * primary_ipic;
+
+static struct ipic_info ipic_info[] = {
+        [9] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_D,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 24,
+                .prio_mask = 0,
+        },
+        [10] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_D,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 25,
+                .prio_mask = 1,
+        },
+        [11] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_D,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 26,
+                .prio_mask = 2,
+        },
+        [14] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_D,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 29,
+                .prio_mask = 5,
+        },
+        [15] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_D,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 30,
+                .prio_mask = 6,
+        },
+        [16] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_D,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 31,
+                .prio_mask = 7,
+        },
+        [17] = {
+                .pend   = IPIC_SEPNR,
+                .mask   = IPIC_SEMSR,
+                .prio   = IPIC_SMPRR_A,
+                .force  = IPIC_SEFCR,
+                .bit    = 1,
+                .prio_mask = 5,
+        },
+        [18] = {
+                .pend   = IPIC_SEPNR,
+                .mask   = IPIC_SEMSR,
+                .prio   = IPIC_SMPRR_A,
+                .force  = IPIC_SEFCR,
+                .bit    = 2,
+                .prio_mask = 6,
+        },
+        [19] = {
+                .pend   = IPIC_SEPNR,
+                .mask   = IPIC_SEMSR,
+                .prio   = IPIC_SMPRR_A,
+                .force  = IPIC_SEFCR,
+                .bit    = 3,
+                .prio_mask = 7,
+        },
+        [20] = {
+                .pend   = IPIC_SEPNR,
+                .mask   = IPIC_SEMSR,
+                .prio   = IPIC_SMPRR_B,
+                .force  = IPIC_SEFCR,
+                .bit    = 4,
+                .prio_mask = 4,
+        },
+        [21] = {
+                .pend   = IPIC_SEPNR,
+                .mask   = IPIC_SEMSR,
+                .prio   = IPIC_SMPRR_B,
+                .force  = IPIC_SEFCR,
+                .bit    = 5,
+                .prio_mask = 5,
+        },
+        [22] = {
+                .pend   = IPIC_SEPNR,
+                .mask   = IPIC_SEMSR,
+                .prio   = IPIC_SMPRR_B,
+                .force  = IPIC_SEFCR,
+                .bit    = 6,
+                .prio_mask = 6,
+        },
+        [23] = {
+                .pend   = IPIC_SEPNR,
+                .mask   = IPIC_SEMSR,
+                .prio   = IPIC_SMPRR_B,
+                .force  = IPIC_SEFCR,
+                .bit    = 7,
+                .prio_mask = 7,
+        },
+        [32] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_A,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 0,
+                .prio_mask = 0,
+        },
+        [33] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_A,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 1,
+                .prio_mask = 1,
+        },
+        [34] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_A,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 2,
+                .prio_mask = 2,
+        },
+        [35] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_A,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 3,
+                .prio_mask = 3,
+        },
+        [36] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_A,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 4,
+                .prio_mask = 4,
+        },
+        [37] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_A,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 5,
+                .prio_mask = 5,
+        },
+        [38] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_A,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 6,
+                .prio_mask = 6,
+        },
+        [39] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_H,
+                .prio   = IPIC_SIPRR_A,
+                .force  = IPIC_SIFCR_H,
+                .bit    = 7,
+                .prio_mask = 7,
+        },
+        [48] = {
+                .pend   = IPIC_SEPNR,
+                .mask   = IPIC_SEMSR,
+                .prio   = IPIC_SMPRR_A,
+                .force  = IPIC_SEFCR,
+                .bit    = 0,
+                .prio_mask = 4,
+        },
+        [64] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = IPIC_SMPRR_A,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 0,
+                .prio_mask = 0,
+        },
+        [65] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = IPIC_SMPRR_A,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 1,
+                .prio_mask = 1,
+        },
+        [66] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = IPIC_SMPRR_A,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 2,
+                .prio_mask = 2,
+        },
+        [67] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = IPIC_SMPRR_A,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 3,
+                .prio_mask = 3,
+        },
+        [68] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = IPIC_SMPRR_B,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 4,
+                .prio_mask = 0,
+        },
+        [69] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = IPIC_SMPRR_B,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 5,
+                .prio_mask = 1,
+        },
+        [70] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = IPIC_SMPRR_B,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 6,
+                .prio_mask = 2,
+        },
+        [71] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = IPIC_SMPRR_B,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 7,
+                .prio_mask = 3,
+        },
+        [72] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 8,
+        },
+        [73] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 9,
+        },
+        [74] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 10,
+        },
+        [75] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 11,
+        },
+        [76] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 12,
+        },
+        [77] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 13,
+        },
+        [78] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 14,
+        },
+        [79] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 15,
+        },
+        [80] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 16,
+        },
+        [84] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 20,
+        },
+        [85] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 21,
+        },
+        [90] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 26,
+        },
+        [91] = {
+                .pend   = IPIC_SIPNR_H,
+                .mask   = IPIC_SIMSR_L,
+                .prio   = 0,
+                .force  = IPIC_SIFCR_L,
+                .bit    = 27,
+        },
+};
+
+static inline u32 ipic_read(volatile u32 __iomem *base, unsigned int reg)
+{
+        return in_be32(base + (reg >> 2));
+}
+
+static inline void ipic_write(volatile u32 __iomem *base, unsigned int reg, u32 value)
+{
+        out_be32(base + (reg >> 2), value);
+}
+
+static inline struct ipic * ipic_from_irq(unsigned int irq)
+{
+        return primary_ipic;
+}
+
+static void ipic_enable_irq(unsigned int irq)
+{
+        struct ipic *ipic = ipic_from_irq(irq);
+        unsigned int src = irq - ipic->irq_offset;
+        u32 temp;
+
+        temp = ipic_read(ipic->regs, ipic_info[src].mask);
+        temp |= (1 << (31 - ipic_info[src].bit));
+        ipic_write(ipic->regs, ipic_info[src].mask, temp);
+}
+
+static void ipic_disable_irq(unsigned int irq)
+{
+        struct ipic *ipic = ipic_from_irq(irq);
+        unsigned int src = irq - ipic->irq_offset;
+        u32 temp;
+
+        temp = ipic_read(ipic->regs, ipic_info[src].mask);
+        temp &= ~(1 << (31 - ipic_info[src].bit));
+        ipic_write(ipic->regs, ipic_info[src].mask, temp);
+}
+
+static void ipic_disable_irq_and_ack(unsigned int irq)
+{
+        struct ipic *ipic = ipic_from_irq(irq);
+        unsigned int src = irq - ipic->irq_offset;
+        u32 temp;
+
+        ipic_disable_irq(irq);
+
+        temp = ipic_read(ipic->regs, ipic_info[src].pend);
+        temp |= (1 << (31 - ipic_info[src].bit));
+        ipic_write(ipic->regs, ipic_info[src].pend, temp);
+}
+
+static void ipic_end_irq(unsigned int irq)
+{
+        if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS)))
+                ipic_enable_irq(irq);
+}
+
+struct hw_interrupt_type ipic = {
+        .typename = " IPIC  ",
+        .enable = ipic_enable_irq,
+        .disable = ipic_disable_irq,
+        .ack = ipic_disable_irq_and_ack,
+        .end = ipic_end_irq,
+};
+
+void __init ipic_init(phys_addr_t phys_addr,
+                unsigned int flags,
+                unsigned int irq_offset,
+                unsigned char *senses,
+                unsigned int senses_count)
+{
+        u32 i, temp = 0;
+
+        primary_ipic = &p_ipic;
+        primary_ipic->regs = ioremap(phys_addr, MPC83xx_IPIC_SIZE);
+
+        primary_ipic->irq_offset = irq_offset;
+
+        ipic_write(primary_ipic->regs, IPIC_SICNR, 0x0);
+
+        /* default priority scheme is grouped. If spread mode is required
+         * configure SICFR accordingly */
+        if (flags & IPIC_SPREADMODE_GRP_A)
+                temp |= SICFR_IPSA;
+        if (flags & IPIC_SPREADMODE_GRP_D)
+                temp |= SICFR_IPSD;
+        if (flags & IPIC_SPREADMODE_MIX_A)
+                temp |= SICFR_MPSA;
+        if (flags & IPIC_SPREADMODE_MIX_B)
+                temp |= SICFR_MPSB;
+
+        ipic_write(primary_ipic->regs, IPIC_SICNR, temp);
+
+        /* handle MCP route */
+        temp = 0;
+        if (flags & IPIC_DISABLE_MCP_OUT)
+                temp = SERCR_MCPR;
+        ipic_write(primary_ipic->regs, IPIC_SERCR, temp);
+
+        /* handle routing of IRQ0 to MCP */
+        temp = ipic_read(primary_ipic->regs, IPIC_SEMSR);
+
+        if (flags & IPIC_IRQ0_MCP)
+                temp |= SEMSR_SIRQ0;
+        else
+                temp &= ~SEMSR_SIRQ0;
+
+        ipic_write(primary_ipic->regs, IPIC_SEMSR, temp);
+
+        for (i = 0 ; i < NR_IPIC_INTS ; i++) {
+                irq_desc[i+irq_offset].chip = &ipic;
+                irq_desc[i+irq_offset].status = IRQ_LEVEL;
+        }
+
+        temp = 0;
+        for (i = 0 ; i < senses_count ; i++) {
+                if ((senses[i] & IRQ_SENSE_MASK) == IRQ_SENSE_EDGE) {
+                        temp |= 1 << (15 - i);
+                        if (i != 0)
+                                irq_desc[i + irq_offset + MPC83xx_IRQ_EXT1 - 1].status = 0;
+                        else
+                                irq_desc[irq_offset + MPC83xx_IRQ_EXT0].status = 0;
+                }
+        }
+        ipic_write(primary_ipic->regs, IPIC_SECNR, temp);
+
+        printk ("IPIC (%d IRQ sources, %d External IRQs) at %p\n", NR_IPIC_INTS,
+                        senses_count, primary_ipic->regs);
+}
+
+int ipic_set_priority(unsigned int irq, unsigned int priority)
+{
+        struct ipic *ipic = ipic_from_irq(irq);
+        unsigned int src = irq - ipic->irq_offset;
+        u32 temp;
+
+        if (priority > 7)
+                return -EINVAL;
+        if (src > 127)
+                return -EINVAL;
+        if (ipic_info[src].prio == 0)
+                return -EINVAL;
+
+        temp = ipic_read(ipic->regs, ipic_info[src].prio);
+
+        if (priority < 4) {
+                temp &= ~(0x7 << (20 + (3 - priority) * 3));
+                temp |= ipic_info[src].prio_mask << (20 + (3 - priority) * 3);
+        } else {
+                temp &= ~(0x7 << (4 + (7 - priority) * 3));
+                temp |= ipic_info[src].prio_mask << (4 + (7 - priority) * 3);
+        }
+
+        ipic_write(ipic->regs, ipic_info[src].prio, temp);
+
+        return 0;
+}
+
+void ipic_set_highest_priority(unsigned int irq)
+{
+        struct ipic *ipic = ipic_from_irq(irq);
+        unsigned int src = irq - ipic->irq_offset;
+        u32 temp;
+
+        temp = ipic_read(ipic->regs, IPIC_SICFR);
+
+        /* clear and set HPI */
+        temp &= 0x7f000000;
+        temp |= (src & 0x7f) << 24;
+
+        ipic_write(ipic->regs, IPIC_SICFR, temp);
+}
+
+void ipic_set_default_priority(void)
+{
+        ipic_set_priority(MPC83xx_IRQ_TSEC1_TX, 0);
+        ipic_set_priority(MPC83xx_IRQ_TSEC1_RX, 1);
+        ipic_set_priority(MPC83xx_IRQ_TSEC1_ERROR, 2);
+        ipic_set_priority(MPC83xx_IRQ_TSEC2_TX, 3);
+        ipic_set_priority(MPC83xx_IRQ_TSEC2_RX, 4);
+        ipic_set_priority(MPC83xx_IRQ_TSEC2_ERROR, 5);
+        ipic_set_priority(MPC83xx_IRQ_USB2_DR, 6);
+        ipic_set_priority(MPC83xx_IRQ_USB2_MPH, 7);
+
+        ipic_set_priority(MPC83xx_IRQ_UART1, 0);
+        ipic_set_priority(MPC83xx_IRQ_UART2, 1);
+        ipic_set_priority(MPC83xx_IRQ_SEC2, 2);
+        ipic_set_priority(MPC83xx_IRQ_IIC1, 5);
+        ipic_set_priority(MPC83xx_IRQ_IIC2, 6);
+        ipic_set_priority(MPC83xx_IRQ_SPI, 7);
+        ipic_set_priority(MPC83xx_IRQ_RTC_SEC, 0);
+        ipic_set_priority(MPC83xx_IRQ_PIT, 1);
+        ipic_set_priority(MPC83xx_IRQ_PCI1, 2);
+        ipic_set_priority(MPC83xx_IRQ_PCI2, 3);
+        ipic_set_priority(MPC83xx_IRQ_EXT0, 4);
+        ipic_set_priority(MPC83xx_IRQ_EXT1, 5);
+        ipic_set_priority(MPC83xx_IRQ_EXT2, 6);
+        ipic_set_priority(MPC83xx_IRQ_EXT3, 7);
+        ipic_set_priority(MPC83xx_IRQ_RTC_ALR, 0);
+        ipic_set_priority(MPC83xx_IRQ_MU, 1);
+        ipic_set_priority(MPC83xx_IRQ_SBA, 2);
+        ipic_set_priority(MPC83xx_IRQ_DMA, 3);
+        ipic_set_priority(MPC83xx_IRQ_EXT4, 4);
+        ipic_set_priority(MPC83xx_IRQ_EXT5, 5);
+        ipic_set_priority(MPC83xx_IRQ_EXT6, 6);
+        ipic_set_priority(MPC83xx_IRQ_EXT7, 7);
+}
+
+void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq)
+{
+        struct ipic *ipic = primary_ipic;
+        u32 temp;
+
+        temp = ipic_read(ipic->regs, IPIC_SERMR);
+        temp |= (1 << (31 - mcp_irq));
+        ipic_write(ipic->regs, IPIC_SERMR, temp);
+}
+
+void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq)
+{
+        struct ipic *ipic = primary_ipic;
+        u32 temp;
+
+        temp = ipic_read(ipic->regs, IPIC_SERMR);
+        temp &= (1 << (31 - mcp_irq));
+        ipic_write(ipic->regs, IPIC_SERMR, temp);
+}
+
+u32 ipic_get_mcp_status(void)
+{
+        return ipic_read(primary_ipic->regs, IPIC_SERMR);
+}
+
+void ipic_clear_mcp_status(u32 mask)
+{
+        ipic_write(primary_ipic->regs, IPIC_SERMR, mask);
+}
+
+/* Return an interrupt vector or -1 if no interrupt is pending. */
+int ipic_get_irq(struct pt_regs *regs)
+{
+        int irq;
+
+        irq = ipic_read(primary_ipic->regs, IPIC_SIVCR) & 0x7f;
+
+        if (irq == 0)    /* 0 --> no irq is pending */
+                irq = -1;
+
+        return irq;
+}
+
+static struct sysdev_class ipic_sysclass = {
+        set_kset_name("ipic"),
+};
+
+static struct sys_device device_ipic = {
+        .id             = 0,
+        .cls            = &ipic_sysclass,
+};
+
+static int __init init_ipic_sysfs(void)
+{
+        int rc;
+
+        if (!primary_ipic->regs)
+                return -ENODEV;
+        printk(KERN_DEBUG "Registering ipic with sysfs...\n");
+
+        rc = sysdev_class_register(&ipic_sysclass);
+        if (rc) {
+                printk(KERN_ERR "Failed registering ipic sys class\n");
+                return -ENODEV;
+        }
+        rc = sysdev_register(&device_ipic);
+        if (rc) {
+                printk(KERN_ERR "Failed registering ipic sys device\n");
+                return -ENODEV;
+        }
+        return 0;
+}
+
+subsys_initcall(init_ipic_sysfs);
diff --git a/arch/ppc/syslib/ipic.h b/arch/ppc/syslib/ipic.h
new file mode 100644
index 000000000000..a60c9d18bb7f
--- /dev/null
+++ b/arch/ppc/syslib/ipic.h
@@ -0,0 +1,47 @@
+/*
+ * IPIC private definitions and structure.
+ *
+ * Maintainer: Kumar Gala <galak@kernel.crashing.org>
+ *
+ * Copyright 2005 Freescale Semiconductor, Inc
+ *
+ * This program is free software; you can redistribute  it and/or modify it
+ * under  the terms of  the GNU General  Public License as published by the
+ * Free Software Foundation;  either version 2 of the  License, or (at your
+ * option) any later version.
+ */
+#ifndef __IPIC_H__
+#define __IPIC_H__
+
+#include <asm/ipic.h>
+
+#define MPC83xx_IPIC_SIZE       (0x00100)
+
+/* System Global Interrupt Configuration Register */
+#define SICFR_IPSA      0x00010000
+#define SICFR_IPSD      0x00080000
+#define SICFR_MPSA      0x00200000
+#define SICFR_MPSB      0x00400000
+
+/* System External Interrupt Mask Register */
+#define SEMSR_SIRQ0     0x00008000
+
+/* System Error Control Register */
+#define SERCR_MCPR      0x00000001
+
+struct ipic {
+        volatile u32 __iomem    *regs;
+        unsigned int            irq_offset;
+};
+
+struct ipic_info {
+        u8      pend;           /* pending register offset from base */
+        u8      mask;           /* mask register offset from base */
+        u8      prio;           /* priority register offset from base */
+        u8      force;          /* force register offset from base */
+        u8      bit;            /* register bit position (as per doc)
+                                   bit mask = 1 << (31 - bit) */
+        u8      prio_mask;      /* priority mask value */
+};
+
+#endif /* __IPIC_H__ */
diff --git a/arch/s390/lib/uaccess.S b/arch/s390/lib/uaccess.S
index 5d59e2625048..837275284d9f 100644
--- a/arch/s390/lib/uaccess.S
+++ b/arch/s390/lib/uaccess.S
@@ -88,30 +88,31 @@ __copy_to_user_asm:
         .globl __copy_in_user_asm
         # %r2 = from, %r3 = n, %r4 = to
 __copy_in_user_asm:
+        ahi     %r3,-1
+        jo      6f
         sacf    256
-        bras    1,1f
-        mvc     0(1,%r4),0(%r2)
-0:      mvc     0(256,%r4),0(%r2)
-        la      %r2,256(%r2)
-        la      %r4,256(%r4)
-1:      ahi     %r3,-256
-        jnm     0b
-2:      ex      %r3,0(%r1)
-        sacf    0
-        slr     %r2,%r2
-        br      14
-3:      mvc     0(1,%r4),0(%r2)
+        bras    %r1,4f
+0:      ahi     %r3,257
+1:      mvc     0(1,%r4),0(%r2)
         la      %r2,1(%r2)
         la      %r4,1(%r4)
         ahi     %r3,-1
+        jnz     1b
+2:      lr      %r2,%r3
+        br      %r14
+3:      mvc     0(256,%r4),0(%r2)
+        la      %r2,256(%r2)
+        la      %r4,256(%r4)
+4:      ahi     %r3,-256
         jnm     3b
-4:      lr      %r2,%r3
+5:      ex      %r3,4(%r1)
         sacf    0
+6:      slr     %r2,%r2
         br      %r14
         .section __ex_table,"a"
-        .long   0b,3b
-        .long   2b,3b
-        .long   3b,4b
+        .long   1b,2b
+        .long   3b,0b
+        .long   5b,0b
         .previous
 
         .align 4
diff --git a/arch/s390/lib/uaccess64.S b/arch/s390/lib/uaccess64.S
index 19b41a33c230..1f755be22f92 100644
--- a/arch/s390/lib/uaccess64.S
+++ b/arch/s390/lib/uaccess64.S
@@ -88,30 +88,31 @@ __copy_to_user_asm:
         .globl __copy_in_user_asm
         # %r2 = from, %r3 = n, %r4 = to
 __copy_in_user_asm:
+        aghi    %r3,-1
+        jo      6f
         sacf    256
-        bras    1,1f
-        mvc     0(1,%r4),0(%r2)
-0:      mvc     0(256,%r4),0(%r2)
-        la      %r2,256(%r2)
-        la      %r4,256(%r4)
-1:      aghi    %r3,-256
-        jnm     0b
-2:      ex      %r3,0(%r1)
-        sacf    0
-        slgr    %r2,%r2
-        br      14
-3:      mvc     0(1,%r4),0(%r2)
+        bras    %r1,4f
+0:      aghi    %r3,257
+1:      mvc     0(1,%r4),0(%r2)
         la      %r2,1(%r2)
         la      %r4,1(%r4)
         aghi    %r3,-1
+        jnz     1b
+2:      lgr     %r2,%r3
+        br      %r14
+3:      mvc     0(256,%r4),0(%r2)
+        la      %r2,256(%r2)
+        la      %r4,256(%r4)
+4:      aghi    %r3,-256
         jnm     3b
-4:      lgr     %r2,%r3
+5:      ex      %r3,4(%r1)
         sacf    0
-        br      %r14
+6:      slgr    %r2,%r2
+        br      14
         .section __ex_table,"a"
-        .quad   0b,3b
-        .quad   2b,3b
-        .quad   3b,4b
+        .quad   1b,2b
+        .quad   3b,0b
+        .quad   5b,0b
         .previous
 
         .align 4
diff --git a/arch/sparc64/mm/generic.c b/arch/sparc64/mm/generic.c
index 8cb06205d265..af9d81db0b38 100644
--- a/arch/sparc64/mm/generic.c
+++ b/arch/sparc64/mm/generic.c
@@ -69,6 +69,8 @@ static inline void io_remap_pte_range(struct mm_struct *mm, pte_t * pte,
                 } else
                         offset += PAGE_SIZE;
 
+                if (pte_write(entry))
+                        entry = pte_mkdirty(entry);
                 do {
                         BUG_ON(!pte_none(*pte));
                         set_pte_at(mm, address, pte, entry);
diff --git a/arch/x86_64/defconfig b/arch/x86_64/defconfig
index 840d5d93d5cc..5fb970715941 100644
--- a/arch/x86_64/defconfig
+++ b/arch/x86_64/defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.18-rc2
-# Tue Jul 18 17:13:20 2006
+# Linux kernel version: 2.6.18-rc4
+# Thu Aug 24 21:05:55 2006
 #
 CONFIG_X86_64=y
 CONFIG_64BIT=y
@@ -201,7 +201,7 @@ CONFIG_ACPI_THERMAL=y
 CONFIG_ACPI_NUMA=y
 # CONFIG_ACPI_ASUS is not set
 # CONFIG_ACPI_IBM is not set
-CONFIG_ACPI_TOSHIBA=y
+# CONFIG_ACPI_TOSHIBA is not set
 CONFIG_ACPI_BLACKLIST_YEAR=0
 # CONFIG_ACPI_DEBUG is not set
 CONFIG_ACPI_EC=y
@@ -216,7 +216,7 @@ CONFIG_ACPI_CONTAINER=y
 #
 CONFIG_CPU_FREQ=y
 CONFIG_CPU_FREQ_TABLE=y
-# CONFIG_CPU_FREQ_DEBUG is not set
+CONFIG_CPU_FREQ_DEBUG=y
 CONFIG_CPU_FREQ_STAT=y
 # CONFIG_CPU_FREQ_STAT_DETAILS is not set
 CONFIG_CPU_FREQ_DEFAULT_GOV_PERFORMANCE=y
@@ -495,8 +495,9 @@ CONFIG_SCSI=y
 CONFIG_BLK_DEV_SD=y
 # CONFIG_CHR_DEV_ST is not set
 # CONFIG_CHR_DEV_OSST is not set
-# CONFIG_BLK_DEV_SR is not set
-# CONFIG_CHR_DEV_SG is not set
+CONFIG_BLK_DEV_SR=y
+# CONFIG_BLK_DEV_SR_VENDOR is not set
+CONFIG_CHR_DEV_SG=y
 # CONFIG_CHR_DEV_SCH is not set
 
 #
@@ -512,7 +513,7 @@ CONFIG_SCSI_CONSTANTS=y
 CONFIG_SCSI_SPI_ATTRS=y
 CONFIG_SCSI_FC_ATTRS=y
 # CONFIG_SCSI_ISCSI_ATTRS is not set
-# CONFIG_SCSI_SAS_ATTRS is not set
+CONFIG_SCSI_SAS_ATTRS=y
 
 #
 # SCSI low-level drivers
@@ -538,7 +539,7 @@ CONFIG_MEGARAID_MAILBOX=y
 CONFIG_MEGARAID_SAS=y
 CONFIG_SCSI_SATA=y
 CONFIG_SCSI_SATA_AHCI=y
-# CONFIG_SCSI_SATA_SVW is not set
+CONFIG_SCSI_SATA_SVW=y
 CONFIG_SCSI_ATA_PIIX=y
 # CONFIG_SCSI_SATA_MV is not set
 CONFIG_SCSI_SATA_NV=y
@@ -589,7 +590,7 @@ CONFIG_BLK_DEV_DM=y
 CONFIG_FUSION=y
 CONFIG_FUSION_SPI=y
 # CONFIG_FUSION_FC is not set
-# CONFIG_FUSION_SAS is not set
+CONFIG_FUSION_SAS=y
 CONFIG_FUSION_MAX_SGE=128
 # CONFIG_FUSION_CTL is not set
 
@@ -675,7 +676,7 @@ CONFIG_NET_PCI=y
 # CONFIG_PCNET32 is not set
 # CONFIG_AMD8111_ETH is not set
 # CONFIG_ADAPTEC_STARFIRE is not set
-# CONFIG_B44 is not set
+CONFIG_B44=y
 CONFIG_FORCEDETH=y
 # CONFIG_DGRS is not set
 # CONFIG_EEPRO100 is not set
@@ -712,7 +713,7 @@ CONFIG_E1000=y
 # CONFIG_SK98LIN is not set
 # CONFIG_VIA_VELOCITY is not set
 CONFIG_TIGON3=y
-# CONFIG_BNX2 is not set
+CONFIG_BNX2=y
 
 #
 # Ethernet (10000 Mbit)
@@ -842,44 +843,7 @@ CONFIG_LEGACY_PTY_COUNT=256
 #
 # Watchdog Cards
 #
-CONFIG_WATCHDOG=y
-# CONFIG_WATCHDOG_NOWAYOUT is not set
-
-#
-# Watchdog Device Drivers
-#
-CONFIG_SOFT_WATCHDOG=y
-# CONFIG_ACQUIRE_WDT is not set
-# CONFIG_ADVANTECH_WDT is not set
-# CONFIG_ALIM1535_WDT is not set
-# CONFIG_ALIM7101_WDT is not set
-# CONFIG_SC520_WDT is not set
-# CONFIG_EUROTECH_WDT is not set
-# CONFIG_IB700_WDT is not set
-# CONFIG_IBMASR is not set
-# CONFIG_WAFER_WDT is not set
-# CONFIG_I6300ESB_WDT is not set
-# CONFIG_I8XX_TCO is not set
-# CONFIG_SC1200_WDT is not set
-# CONFIG_60XX_WDT is not set
-# CONFIG_SBC8360_WDT is not set
-# CONFIG_CPU5_WDT is not set
-# CONFIG_W83627HF_WDT is not set
-# CONFIG_W83877F_WDT is not set
-# CONFIG_W83977F_WDT is not set
-# CONFIG_MACHZ_WDT is not set
-# CONFIG_SBC_EPX_C3_WATCHDOG is not set
-
-#
-# PCI-based Watchdog Cards
-#
-# CONFIG_PCIPCWATCHDOG is not set
-# CONFIG_WDTPCI is not set
-
-#
-# USB-based Watchdog Cards
-#
-# CONFIG_USBPCWATCHDOG is not set
+# CONFIG_WATCHDOG is not set
 CONFIG_HW_RANDOM=y
 CONFIG_HW_RANDOM_INTEL=y
 CONFIG_HW_RANDOM_AMD=y
@@ -1056,6 +1020,7 @@ CONFIG_VGACON_SOFT_SCROLLBACK=y
 CONFIG_VGACON_SOFT_SCROLLBACK_SIZE=256
 CONFIG_VIDEO_SELECT=y
 CONFIG_DUMMY_CONSOLE=y
+# CONFIG_BACKLIGHT_LCD_SUPPORT is not set
 
 #
 # Sound
@@ -1301,7 +1266,7 @@ CONFIG_INOTIFY=y
 CONFIG_INOTIFY_USER=y
 # CONFIG_QUOTA is not set
 CONFIG_DNOTIFY=y
-CONFIG_AUTOFS_FS=y
+# CONFIG_AUTOFS_FS is not set
 CONFIG_AUTOFS4_FS=y
 # CONFIG_FUSE_FS is not set
 
@@ -1494,4 +1459,5 @@ CONFIG_DEBUG_STACKOVERFLOW=y
 # CONFIG_CRC16 is not set
 CONFIG_CRC32=y
 # CONFIG_LIBCRC32C is not set
+CONFIG_ZLIB_INFLATE=y
 CONFIG_PLIST=y
diff --git a/arch/x86_64/ia32/ia32_binfmt.c b/arch/x86_64/ia32/ia32_binfmt.c
index a9dc0f3b5b51..2fd5a67fd435 100644
--- a/arch/x86_64/ia32/ia32_binfmt.c
+++ b/arch/x86_64/ia32/ia32_binfmt.c
@@ -73,39 +73,44 @@ typedef elf_greg_t elf_gregset_t[ELF_NGREG];
  * Dumping its extra ELF program headers includes all the other information
  * a debugger needs to easily find how the vsyscall DSO was being used.
  */
-#define ELF_CORE_EXTRA_PHDRS            (VSYSCALL32_EHDR->e_phnum)
+#define ELF_CORE_EXTRA_PHDRS    (find_vma(current->mm, VSYSCALL32_BASE) ?     \
+    (VSYSCALL32_EHDR->e_phnum) : 0)
 #define ELF_CORE_WRITE_EXTRA_PHDRS                                            \
 do {                                                                          \
-        const struct elf32_phdr *const vsyscall_phdrs =                       \
-                (const struct elf32_phdr *) (VSYSCALL32_BASE                  \
-                                           + VSYSCALL32_EHDR->e_phoff);       \
-        int i;                                                                \
-        Elf32_Off ofs = 0;                                                    \
-        for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {                      \
-                struct elf32_phdr phdr = vsyscall_phdrs[i];                   \
-                if (phdr.p_type == PT_LOAD) {                                 \
-                        BUG_ON(ofs != 0);                                     \
-                        ofs = phdr.p_offset = offset;                         \
-                        phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);              \
-                        phdr.p_filesz = phdr.p_memsz;                         \
-                        offset += phdr.p_filesz;                              \
+        if (find_vma(current->mm, VSYSCALL32_BASE)) {                         \
+                const struct elf32_phdr *const vsyscall_phdrs =               \
+                        (const struct elf32_phdr *) (VSYSCALL32_BASE          \
+                                                   + VSYSCALL32_EHDR->e_phoff);\
+                int i;                                                        \
+                Elf32_Off ofs = 0;                                            \
+                for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {              \
+                        struct elf32_phdr phdr = vsyscall_phdrs[i];           \
+                        if (phdr.p_type == PT_LOAD) {                         \
+                                BUG_ON(ofs != 0);                             \
+                                ofs = phdr.p_offset = offset;                 \
+                                phdr.p_memsz = PAGE_ALIGN(phdr.p_memsz);      \
+                                phdr.p_filesz = phdr.p_memsz;                 \
+                                offset += phdr.p_filesz;                      \
+                        }                                                     \
+                        else                                                  \
+                                phdr.p_offset += ofs;                         \
+                        phdr.p_paddr = 0; /* match other core phdrs */        \
+                        DUMP_WRITE(&phdr, sizeof(phdr));                      \
                 }                                                             \
-                else                                                          \
-                        phdr.p_offset += ofs;                                 \
-                phdr.p_paddr = 0; /* match other core phdrs */                \
-                DUMP_WRITE(&phdr, sizeof(phdr));                              \
         }                                                                     \
 } while (0)
 #define ELF_CORE_WRITE_EXTRA_DATA                                             \
 do {                                                                          \
-        const struct elf32_phdr *const vsyscall_phdrs =                       \
-                (const struct elf32_phdr *) (VSYSCALL32_BASE                  \
-                                           + VSYSCALL32_EHDR->e_phoff);       \
-        int i;                                                                \
-        for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {                      \
-                if (vsyscall_phdrs[i].p_type == PT_LOAD)                      \
-                        DUMP_WRITE((void *) (u64) vsyscall_phdrs[i].p_vaddr,          \
-                                   PAGE_ALIGN(vsyscall_phdrs[i].p_memsz));    \
+        if (find_vma(current->mm, VSYSCALL32_BASE)) {                         \
+                const struct elf32_phdr *const vsyscall_phdrs =               \
+                        (const struct elf32_phdr *) (VSYSCALL32_BASE          \
+                                                   + VSYSCALL32_EHDR->e_phoff);      \
+                int i;                                                        \
+                for (i = 0; i < VSYSCALL32_EHDR->e_phnum; ++i) {              \
+                        if (vsyscall_phdrs[i].p_type == PT_LOAD)              \
+                                DUMP_WRITE((void *) (u64) vsyscall_phdrs[i].p_vaddr,\
+                                    PAGE_ALIGN(vsyscall_phdrs[i].p_memsz));   \
+                }                                                             \
         }                                                                     \
 } while (0)
 
diff --git a/arch/x86_64/kernel/e820.c b/arch/x86_64/kernel/e820.c
index e56c2adf57a4..764bf23c7103 100644
--- a/arch/x86_64/kernel/e820.c
+++ b/arch/x86_64/kernel/e820.c
@@ -71,7 +71,11 @@ static inline int bad_addr(unsigned long *addrp, unsigned long size)
 #endif
         /* kernel code + 640k memory hole (later should not be needed, but 
            be paranoid for now) */
-        if (last >= 640*1024 && addr < __pa_symbol(&_end)) { 
+        if (last >= 640*1024 && addr < 1024*1024) {
+                *addrp = 1024*1024;
+                return 1;
+        }
+        if (last >= __pa_symbol(&_text) && last < __pa_symbol(&_end)) {
                 *addrp = __pa_symbol(&_end);
                 return 1;
         }
@@ -104,35 +108,6 @@ e820_any_mapped(unsigned long start, unsigned long end, unsigned type)
         return 0;
 }
 
-/*
- * This function checks if the entire range <start,end> is mapped with type.
- *
- * Note: this function only works correct if the e820 table is sorted and
- * not-overlapping, which is the case
- */
-int __init e820_all_mapped(unsigned long start, unsigned long end, unsigned type)
-{
-        int i;
-        for (i = 0; i < e820.nr_map; i++) {
-                struct e820entry *ei = &e820.map[i];
-                if (type && ei->type != type)
-                        continue;
-                /* is the region (part) in overlap with the current region ?*/
-                if (ei->addr >= end || ei->addr + ei->size <= start)
-                        continue;
-
-                /* if the region is at the beginning of <start,end> we move
-                 * start to the end of the region since it's ok until there
-                 */
-                if (ei->addr <= start)
-                        start = ei->addr + ei->size;
-                /* if start is now at or beyond end, we're done, full coverage */
-                if (start >= end)
-                        return 1; /* we're done */
-        }
-        return 0;
-}
-
 /* 
  * Find a free area in a specific range. 
  */ 
diff --git a/arch/x86_64/kernel/entry.S b/arch/x86_64/kernel/entry.S
index 6f810424df44..aa8d8939abc1 100644
--- a/arch/x86_64/kernel/entry.S
+++ b/arch/x86_64/kernel/entry.S
@@ -973,6 +973,8 @@ ENTRY(kernel_thread)
 ENDPROC(kernel_thread)
         
 child_rip:
+        pushq $0                # fake return address
+        CFI_STARTPROC
         /*
          * Here we are in the child and the registers are set as they were
          * at kernel_thread() invocation in the parent.
@@ -983,6 +985,7 @@ child_rip:
         # exit
         xorl %edi, %edi
         call do_exit
+        CFI_ENDPROC
 ENDPROC(child_rip)
 
 /*
diff --git a/arch/x86_64/kernel/head.S b/arch/x86_64/kernel/head.S
index 6df05e6034fa..c9739ca81d06 100644
--- a/arch/x86_64/kernel/head.S
+++ b/arch/x86_64/kernel/head.S
@@ -191,6 +191,7 @@ startup_64:
          * jump
          */
         movq    initial_code(%rip),%rax
+        pushq   $0              # fake return address
         jmp     *%rax
 
         /* SMP bootup changes these two */
diff --git a/arch/x86_64/kernel/init_task.c b/arch/x86_64/kernel/init_task.c
index ce31d904d601..3dc5854ba21e 100644
--- a/arch/x86_64/kernel/init_task.c
+++ b/arch/x86_64/kernel/init_task.c
@@ -46,4 +46,9 @@ EXPORT_SYMBOL(init_task);
  */ 
 DEFINE_PER_CPU(struct tss_struct, init_tss) ____cacheline_internodealigned_in_smp = INIT_TSS;
 
+/* Copies of the original ist values from the tss are only accessed during
+ * debugging, no special alignment required.
+ */
+DEFINE_PER_CPU(struct orig_ist, orig_ist);
+
 #define ALIGN_TO_4K __attribute__((section(".data.init_task")))
diff --git a/arch/x86_64/kernel/setup.c b/arch/x86_64/kernel/setup.c
index 8a099ff1f8bc..34afad704824 100644
--- a/arch/x86_64/kernel/setup.c
+++ b/arch/x86_64/kernel/setup.c
@@ -521,8 +521,6 @@ static void discover_ebda(void)
 
 void __init setup_arch(char **cmdline_p)
 {
-        unsigned long kernel_end;
-
         ROOT_DEV = old_decode_dev(ORIG_ROOT_DEV);
         screen_info = SCREEN_INFO;
         edid_info = EDID_INFO;
@@ -596,8 +594,8 @@ void __init setup_arch(char **cmdline_p)
                                 (table_end - table_start) << PAGE_SHIFT);
 
         /* reserve kernel */
-        kernel_end = round_up(__pa_symbol(&_end),PAGE_SIZE);
-        reserve_bootmem_generic(HIGH_MEMORY, kernel_end - HIGH_MEMORY);
+        reserve_bootmem_generic(__pa_symbol(&_text),
+                                __pa_symbol(&_end) - __pa_symbol(&_text));
 
         /*
          * reserve physical page 0 - it's a special BIOS page on many boxes,
diff --git a/arch/x86_64/kernel/setup64.c b/arch/x86_64/kernel/setup64.c
index 6fe58a634b5f..417de564456e 100644
--- a/arch/x86_64/kernel/setup64.c
+++ b/arch/x86_64/kernel/setup64.c
@@ -189,6 +189,7 @@ void __cpuinit cpu_init (void)
 {
         int cpu = stack_smp_processor_id();
         struct tss_struct *t = &per_cpu(init_tss, cpu);
+        struct orig_ist *orig_ist = &per_cpu(orig_ist, cpu);
         unsigned long v; 
         char *estacks = NULL; 
         struct task_struct *me;
@@ -256,7 +257,7 @@ void __cpuinit cpu_init (void)
                         estacks += EXCEPTION_STKSZ;
                         break;
                 }
-                t->ist[v] = (unsigned long)estacks;
+                orig_ist->ist[v] = t->ist[v] = (unsigned long)estacks;
         }
 
         t->io_bitmap_base = offsetof(struct tss_struct, io_bitmap);
diff --git a/arch/x86_64/kernel/traps.c b/arch/x86_64/kernel/traps.c
index 14052f089814..b1249774d1e8 100644
--- a/arch/x86_64/kernel/traps.c
+++ b/arch/x86_64/kernel/traps.c
@@ -107,7 +107,11 @@ static inline void preempt_conditional_cli(struct pt_regs *regs)
 }
 
 static int kstack_depth_to_print = 12;
+#ifdef CONFIG_STACK_UNWIND
 static int call_trace = 1;
+#else
+#define call_trace (-1)
+#endif
 
 #ifdef CONFIG_KALLSYMS
 # include <linux/kallsyms.h>
@@ -174,7 +178,7 @@ static unsigned long *in_exception_stack(unsigned cpu, unsigned long stack,
                         break;
 #endif
                 default:
-                        end = per_cpu(init_tss, cpu).ist[k];
+                        end = per_cpu(orig_ist, cpu).ist[k];
                         break;
                 }
                 /*
@@ -274,21 +278,21 @@ void show_trace(struct task_struct *tsk, struct pt_regs *regs, unsigned long * s
                         if (unwind_init_blocked(&info, tsk) == 0)
                                 unw_ret = show_trace_unwind(&info, NULL);
                 }
-                if (unw_ret > 0 && !arch_unw_user_mode(&info)) {
-#ifdef CONFIG_STACK_UNWIND
-                        unsigned long rip = info.regs.rip;
-                        print_symbol("DWARF2 unwinder stuck at %s\n", rip);
-                        if (call_trace == 1) {
-                                printk("Leftover inexact backtrace:\n");
-                                stack = (unsigned long *)info.regs.rsp;
-                        } else if (call_trace > 1)
+                if (unw_ret > 0) {
+                        if (call_trace == 1 && !arch_unw_user_mode(&info)) {
+                                print_symbol("DWARF2 unwinder stuck at %s\n",
+                                             UNW_PC(&info));
+                                if ((long)UNW_SP(&info) < 0) {
+                                        printk("Leftover inexact backtrace:\n");
+                                        stack = (unsigned long *)UNW_SP(&info);
+                                } else
+                                        printk("Full inexact backtrace again:\n");
+                        } else if (call_trace >= 1)
                                 return;
                         else
                                 printk("Full inexact backtrace again:\n");
-#else
+                } else
                         printk("Inexact backtrace:\n");
-#endif
-                }
         }
 
         /*
@@ -1120,6 +1124,7 @@ static int __init kstack_setup(char *s)
 }
 __setup("kstack=", kstack_setup);
 
+#ifdef CONFIG_STACK_UNWIND
 static int __init call_trace_setup(char *s)
 {
         if (strcmp(s, "old") == 0)
@@ -1133,3 +1138,4 @@ static int __init call_trace_setup(char *s)
         return 1;
 }
 __setup("call_trace=", call_trace_setup);
+#endif
diff --git a/arch/x86_64/pci/mmconfig.c b/arch/x86_64/pci/mmconfig.c
index 3c55c76c6fd5..2d48a7941d48 100644
--- a/arch/x86_64/pci/mmconfig.c
+++ b/arch/x86_64/pci/mmconfig.c
@@ -9,6 +9,7 @@
 #include <linux/init.h>
 #include <linux/acpi.h>
 #include <linux/bitmap.h>
+#include <linux/dmi.h>
 #include <asm/e820.h>
 
 #include "pci.h"
@@ -164,11 +165,33 @@ static __init void unreachable_devices(void)
         }
 }
 
+static int disable_mcfg(struct dmi_system_id *d)
+{
+        printk("PCI: %s detected. Disabling MCFG.\n", d->ident);
+        pci_probe &= ~PCI_PROBE_MMCONF;
+        return 0;
+}
+
+static struct dmi_system_id __initdata dmi_bad_mcfg[] = {
+        /* Has broken MCFG table that makes the system hang when used */
+        {
+         .callback = disable_mcfg,
+         .ident = "Intel D3C5105 SDV",
+         .matches = {
+                     DMI_MATCH(DMI_BIOS_VENDOR, "Intel"),
+                     DMI_MATCH(DMI_BOARD_NAME, "D26928"),
+                     },
+         },
+         {}
+};
+
 void __init pci_mmcfg_init(void)
 {
         int i;
 
-        if ((pci_probe & PCI_PROBE_MMCONF) == 0)
+        dmi_check_system(dmi_bad_mcfg);
+
+        if ((pci_probe & (PCI_PROBE_MMCONF|PCI_PROBE_MMCONF_FORCE)) == 0)
                 return;
 
         acpi_table_parse(ACPI_MCFG, acpi_parse_mcfg);
@@ -177,15 +200,6 @@ void __init pci_mmcfg_init(void)
             (pci_mmcfg_config[0].base_address == 0))
                 return;
 
-        if (!e820_all_mapped(pci_mmcfg_config[0].base_address,
-                        pci_mmcfg_config[0].base_address + MMCONFIG_APER_MIN,
-                        E820_RESERVED)) {
-                printk(KERN_ERR "PCI: BIOS Bug: MCFG area at %x is not E820-reserved\n",
-                                pci_mmcfg_config[0].base_address);
-                printk(KERN_ERR "PCI: Not using MMCONFIG.\n");
-                return;
-        }
-
         /* RED-PEN i386 doesn't do _nocache right now */
         pci_mmcfg_virt = kmalloc(sizeof(*pci_mmcfg_virt) * pci_mmcfg_config_num, GFP_KERNEL);
         if (pci_mmcfg_virt == NULL) {
diff --git a/arch/xtensa/kernel/ptrace.c b/arch/xtensa/kernel/ptrace.c
index 5064d9383963..9aea23cc0dc5 100644
--- a/arch/xtensa/kernel/ptrace.c
+++ b/arch/xtensa/kernel/ptrace.c
@@ -212,7 +212,7 @@ long arch_ptrace(struct task_struct *child, long request, long addr, long data)
          */
         case PTRACE_KILL:
                 ret = 0;
-                if (child->state == EXIT_ZOMBIE)        /* already dead */
+                if (child->exit_state == EXIT_ZOMBIE)   /* already dead */
                         break;
                 child->exit_code = SIGKILL;
                 child->ptrace &= ~PT_SINGLESTEP;
diff --git a/drivers/block/floppy.c b/drivers/block/floppy.c
index 5109fa37c662..ad1d7065a1b2 100644
--- a/drivers/block/floppy.c
+++ b/drivers/block/floppy.c
@@ -4177,6 +4177,11 @@ static int __init floppy_init(void)
         int i, unit, drive;
         int err, dr;
 
+#if defined(CONFIG_PPC_MERGE)
+        if (check_legacy_ioport(FDC1))
+                return -ENODEV;
+#endif
+
         raw_cmd = NULL;
 
         for (dr = 0; dr < N_DRIVE; dr++) {
@@ -4234,13 +4239,6 @@ static int __init floppy_init(void)
         }
 
         use_virtual_dma = can_use_virtual_dma & 1;
-#if defined(CONFIG_PPC_MERGE)
-        if (check_legacy_ioport(FDC1)) {
-                del_timer(&fd_timeout);
-                err = -ENODEV;
-                goto out_unreg_region;
-        }
-#endif
         fdc_state[0].address = FDC1;
         if (fdc_state[0].address == -1) {
                 del_timer(&fd_timeout);
diff --git a/drivers/char/drm/radeon_state.c b/drivers/char/drm/radeon_state.c
index 5bb2234a9094..39a7f685e3fd 100644
--- a/drivers/char/drm/radeon_state.c
+++ b/drivers/char/drm/radeon_state.c
@@ -175,6 +175,14 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
                 }
                 break;
 
+        case R200_EMIT_VAP_CTL:{
+                        RING_LOCALS;
+                        BEGIN_RING(2);
+                        OUT_RING_REG(RADEON_SE_TCL_STATE_FLUSH, 0);
+                        ADVANCE_RING();
+                }
+                break;
+
         case RADEON_EMIT_RB3D_COLORPITCH:
         case RADEON_EMIT_RE_LINE_PATTERN:
         case RADEON_EMIT_SE_LINE_WIDTH:
@@ -202,7 +210,6 @@ static __inline__ int radeon_check_and_fixup_packets(drm_radeon_private_t *
         case R200_EMIT_TCL_LIGHT_MODEL_CTL_0:
         case R200_EMIT_TFACTOR_0:
         case R200_EMIT_VTX_FMT_0:
-        case R200_EMIT_VAP_CTL:
         case R200_EMIT_MATRIX_SELECT_0:
         case R200_EMIT_TEX_PROC_CTL_2:
         case R200_EMIT_TCL_UCP_VERT_BLEND_CTL:
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 0aa5d608fe6f..843d34c8627c 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -3428,6 +3428,7 @@ struct ipmi_recv_msg *ipmi_alloc_recv_msg(void)
 
         rv = kmalloc(sizeof(struct ipmi_recv_msg), GFP_ATOMIC);
         if (rv) {
+                rv->user = NULL;
                 rv->done = free_recv_msg;
                 atomic_inc(&recv_msg_inuse_count);
         }
diff --git a/drivers/char/synclink_gt.c b/drivers/char/synclink_gt.c
index b2dbbdb1bf81..2f07b085536b 100644
--- a/drivers/char/synclink_gt.c
+++ b/drivers/char/synclink_gt.c
@@ -391,8 +391,8 @@ static MGSL_PARAMS default_params = {
 #define DESC_LIST_SIZE 4096
 
 #define MASK_PARITY  BIT1
-#define MASK_FRAMING BIT2
-#define MASK_BREAK   BIT3
+#define MASK_FRAMING BIT0
+#define MASK_BREAK   BIT14
 #define MASK_OVERRUN BIT4
 
 #define GSR   0x00 /* global status */
@@ -1800,17 +1800,17 @@ static void rx_async(struct slgt_info *info)
 
                         stat = 0;
 
-                        if ((status = *(p+1) & (BIT9 + BIT8))) {
-                                if (status & BIT9)
+                        if ((status = *(p+1) & (BIT1 + BIT0))) {
+                                if (status & BIT1)
                                         icount->parity++;
-                                else if (status & BIT8)
+                                else if (status & BIT0)
                                         icount->frame++;
                                 /* discard char if tty control flags say so */
                                 if (status & info->ignore_status_mask)
                                         continue;
-                                if (status & BIT9)
+                                if (status & BIT1)
                                         stat = TTY_PARITY;
-                                else if (status & BIT8)
+                                else if (status & BIT0)
                                         stat = TTY_FRAME;
                         }
                         if (tty) {
diff --git a/drivers/char/watchdog/sbc8360.c b/drivers/char/watchdog/sbc8360.c
index 1035be5b5019..41fc6f80c493 100644
--- a/drivers/char/watchdog/sbc8360.c
+++ b/drivers/char/watchdog/sbc8360.c
@@ -200,7 +200,7 @@ static int wd_margin = 0xB;
 static int wd_multiplier = 2;
 static int nowayout = WATCHDOG_NOWAYOUT;
 
-module_param(timeout, int, 27);
+module_param(timeout, int, 0);
 MODULE_PARM_DESC(timeout, "Index into timeout table (0-63) (default=27 (60s))");
 module_param(nowayout, int, 0);
 MODULE_PARM_DESC(nowayout,
@@ -407,7 +407,7 @@ module_exit(sbc8360_exit);
 MODULE_AUTHOR("Ian E. Morgan <imorgan@webcon.ca>");
 MODULE_DESCRIPTION("SBC8360 watchdog driver");
 MODULE_LICENSE("GPL");
-MODULE_VERSION("1.0");
+MODULE_VERSION("1.01");
 MODULE_ALIAS_MISCDEV(WATCHDOG_MINOR);
 
 /* end of sbc8360.c */
diff --git a/drivers/ide/pci/sgiioc4.c b/drivers/ide/pci/sgiioc4.c
index e125032bb403..d8a0d87df734 100644
--- a/drivers/ide/pci/sgiioc4.c
+++ b/drivers/ide/pci/sgiioc4.c
@@ -367,12 +367,13 @@ sgiioc4_INB(unsigned long port)
 static void __devinit
 ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
 {
+        void __iomem *virt_dma_base;
         int num_ports = sizeof (ioc4_dma_regs_t);
 
         printk(KERN_INFO "%s: BM-DMA at 0x%04lx-0x%04lx\n", hwif->name,
                dma_base, dma_base + num_ports - 1);
 
-        if (!request_region(dma_base, num_ports, hwif->name)) {
+        if (!request_mem_region(dma_base, num_ports, hwif->name)) {
                 printk(KERN_ERR
                        "%s(%s) -- ERROR, Addresses 0x%p to 0x%p "
                        "ALREADY in use\n",
@@ -381,13 +382,21 @@ ide_dma_sgiioc4(ide_hwif_t * hwif, unsigned long dma_base)
                 goto dma_alloc_failure;
         }
 
-        hwif->dma_base = dma_base;
+        virt_dma_base = ioremap(dma_base, num_ports);
+        if (virt_dma_base == NULL) {
+                printk(KERN_ERR
+                       "%s(%s) -- ERROR, Unable to map addresses 0x%lx to 0x%lx\n",
+                       __FUNCTION__, hwif->name, dma_base, dma_base + num_ports - 1);
+                goto dma_remap_failure;
+        }
+        hwif->dma_base = (unsigned long) virt_dma_base;
+
         hwif->dmatable_cpu = pci_alloc_consistent(hwif->pci_dev,
                                           IOC4_PRD_ENTRIES * IOC4_PRD_BYTES,
                                           &hwif->dmatable_dma);
 
         if (!hwif->dmatable_cpu)
-                goto dma_alloc_failure;
+                goto dma_pci_alloc_failure;
 
         hwif->sg_max_nents = IOC4_PRD_ENTRIES;
 
@@ -411,6 +420,12 @@ dma_base2alloc_failure:
         printk(KERN_INFO
                "Changing from DMA to PIO mode for Drive %s\n", hwif->name);
 
+dma_pci_alloc_failure:
+        iounmap(virt_dma_base);
+
+dma_remap_failure:
+        release_mem_region(dma_base, num_ports);
+
 dma_alloc_failure:
         /* Disable DMA because we couldnot allocate any DMA maps */
         hwif->autodma = 0;
@@ -607,18 +622,15 @@ ide_init_sgiioc4(ide_hwif_t * hwif)
         hwif->ide_dma_lostirq = &sgiioc4_ide_dma_lostirq;
         hwif->ide_dma_timeout = &__ide_dma_timeout;
 
-        /*
-         * The IOC4 uses MMIO rather than Port IO.
-         * It also needs special workarounds for INB.
-         */
-        default_hwif_mmiops(hwif);
         hwif->INB = &sgiioc4_INB;
 }
 
 static int __devinit
 sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
 {
-        unsigned long base, ctl, dma_base, irqport;
+        unsigned long cmd_base, dma_base, irqport;
+        unsigned long bar0, cmd_phys_base, ctl;
+        void __iomem *virt_base;
         ide_hwif_t *hwif;
         int h;
 
@@ -636,23 +648,32 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
         }
 
         /*  Get the CmdBlk and CtrlBlk Base Registers */
-        base = pci_resource_start(dev, 0) + IOC4_CMD_OFFSET;
-        ctl = pci_resource_start(dev, 0) + IOC4_CTRL_OFFSET;
-        irqport = pci_resource_start(dev, 0) + IOC4_INTR_OFFSET;
+        bar0 = pci_resource_start(dev, 0);
+        virt_base = ioremap(bar0, pci_resource_len(dev, 0));
+        if (virt_base == NULL) {
+                printk(KERN_ERR "%s: Unable to remap BAR 0 address: 0x%lx\n",
+                        d->name, bar0);
+                return -ENOMEM;
+        }
+        cmd_base = (unsigned long) virt_base + IOC4_CMD_OFFSET;
+        ctl = (unsigned long) virt_base + IOC4_CTRL_OFFSET;
+        irqport = (unsigned long) virt_base + IOC4_INTR_OFFSET;
         dma_base = pci_resource_start(dev, 0) + IOC4_DMA_OFFSET;
 
-        if (!request_region(base, IOC4_CMD_CTL_BLK_SIZE, hwif->name)) {
+        cmd_phys_base = bar0 + IOC4_CMD_OFFSET;
+        if (!request_mem_region(cmd_phys_base, IOC4_CMD_CTL_BLK_SIZE,
+            hwif->name)) {
                 printk(KERN_ERR
-                        "%s : %s -- ERROR, Port Addresses "
+                        "%s : %s -- ERROR, Addresses "
                         "0x%p to 0x%p ALREADY in use\n",
-                       __FUNCTION__, hwif->name, (void *) base,
-                       (void *) base + IOC4_CMD_CTL_BLK_SIZE);
+                       __FUNCTION__, hwif->name, (void *) cmd_phys_base,
+                       (void *) cmd_phys_base + IOC4_CMD_CTL_BLK_SIZE);
                 return -ENOMEM;
         }
 
-        if (hwif->io_ports[IDE_DATA_OFFSET] != base) {
+        if (hwif->io_ports[IDE_DATA_OFFSET] != cmd_base) {
                 /* Initialize the IO registers */
-                sgiioc4_init_hwif_ports(&hwif->hw, base, ctl, irqport);
+                sgiioc4_init_hwif_ports(&hwif->hw, cmd_base, ctl, irqport);
                 memcpy(hwif->io_ports, hwif->hw.io_ports,
                        sizeof (hwif->io_ports));
                 hwif->noprobe = !hwif->io_ports[IDE_DATA_OFFSET];
@@ -665,6 +686,9 @@ sgiioc4_ide_setup_pci_device(struct pci_dev *dev, ide_pci_device_t * d)
         hwif->cds = (struct ide_pci_device_s *) d;
         hwif->gendev.parent = &dev->dev;/* setup proper ancestral information */
 
+        /* The IOC4 uses MMIO rather than Port IO. */
+        default_hwif_mmiops(hwif);
+
         /* Initializing chipset IRQ Registers */
         hwif->OUTL(0x03, irqport + IOC4_INTR_SET * 4);
 
diff --git a/drivers/ide/pci/via82cxxx.c b/drivers/ide/pci/via82cxxx.c
index afdaee3c15c9..9b7589e8e93e 100644
--- a/drivers/ide/pci/via82cxxx.c
+++ b/drivers/ide/pci/via82cxxx.c
@@ -6,7 +6,7 @@
  *
  *   vt82c576, vt82c586, vt82c586a, vt82c586b, vt82c596a, vt82c596b,
  *   vt82c686, vt82c686a, vt82c686b, vt8231, vt8233, vt8233c, vt8233a,
- *   vt8235, vt8237
+ *   vt8235, vt8237, vt8237a
  *
  * Copyright (c) 2000-2002 Vojtech Pavlik
  *
@@ -81,6 +81,7 @@ static struct via_isa_bridge {
         { "vt6410",     PCI_DEVICE_ID_VIA_6410,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8251",     PCI_DEVICE_ID_VIA_8251,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8237",     PCI_DEVICE_ID_VIA_8237,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
+        { "vt8237a",    PCI_DEVICE_ID_VIA_8237A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8235",     PCI_DEVICE_ID_VIA_8235,     0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8233a",    PCI_DEVICE_ID_VIA_8233A,    0x00, 0x2f, VIA_UDMA_133 | VIA_BAD_AST },
         { "vt8233c",    PCI_DEVICE_ID_VIA_8233C_0,  0x00, 0x2f, VIA_UDMA_100 },
diff --git a/drivers/infiniband/hw/mthca/mthca_allocator.c b/drivers/infiniband/hw/mthca/mthca_allocator.c
index 25157f57a6d0..f930e55b58fc 100644
--- a/drivers/infiniband/hw/mthca/mthca_allocator.c
+++ b/drivers/infiniband/hw/mthca/mthca_allocator.c
@@ -41,9 +41,11 @@
 /* Trivial bitmap-based allocator */
 u32 mthca_alloc(struct mthca_alloc *alloc)
 {
+        unsigned long flags;
         u32 obj;
 
-        spin_lock(&alloc->lock);
+        spin_lock_irqsave(&alloc->lock, flags);
+
         obj = find_next_zero_bit(alloc->table, alloc->max, alloc->last);
         if (obj >= alloc->max) {
                 alloc->top = (alloc->top + alloc->max) & alloc->mask;
@@ -56,19 +58,24 @@ u32 mthca_alloc(struct mthca_alloc *alloc)
         } else
                 obj = -1;
 
-        spin_unlock(&alloc->lock);
+        spin_unlock_irqrestore(&alloc->lock, flags);
 
         return obj;
 }
 
 void mthca_free(struct mthca_alloc *alloc, u32 obj)
 {
+        unsigned long flags;
+
         obj &= alloc->max - 1;
-        spin_lock(&alloc->lock);
+
+        spin_lock_irqsave(&alloc->lock, flags);
+
         clear_bit(obj, alloc->table);
         alloc->last = min(alloc->last, obj);
         alloc->top = (alloc->top + alloc->max) & alloc->mask;
-        spin_unlock(&alloc->lock);
+
+        spin_unlock_irqrestore(&alloc->lock, flags);
 }
 
 int mthca_alloc_init(struct mthca_alloc *alloc, u32 num, u32 mask,
diff --git a/drivers/macintosh/via-pmu-backlight.c b/drivers/macintosh/via-pmu-backlight.c
index d3f8d75bcbb4..a82f313d9dc9 100644
--- a/drivers/macintosh/via-pmu-backlight.c
+++ b/drivers/macintosh/via-pmu-backlight.c
@@ -18,17 +18,48 @@
 static struct backlight_properties pmu_backlight_data;
 static spinlock_t pmu_backlight_lock;
 static int sleeping;
+static u8 bl_curve[FB_BACKLIGHT_LEVELS];
 
-static int pmu_backlight_get_level_brightness(struct fb_info *info,
-                int level)
+static void pmu_backlight_init_curve(u8 off, u8 min, u8 max)
+{
+        unsigned int i, flat, count, range = (max - min);
+
+        bl_curve[0] = off;
+
+        for (flat = 1; flat < (FB_BACKLIGHT_LEVELS / 16); ++flat)
+                bl_curve[flat] = min;
+
+        count = FB_BACKLIGHT_LEVELS * 15 / 16;
+        for (i = 0; i < count; ++i)
+                bl_curve[flat + i] = min + (range * (i + 1) / count);
+}
+
+static int pmu_backlight_curve_lookup(int value)
+{
+        int level = (FB_BACKLIGHT_LEVELS - 1);
+        int i, max = 0;
+
+        /* Look for biggest value */
+        for (i = 0; i < FB_BACKLIGHT_LEVELS; i++)
+                max = max((int)bl_curve[i], max);
+
+        /* Look for nearest value */
+        for (i = 0; i < FB_BACKLIGHT_LEVELS; i++) {
+                int diff = abs(bl_curve[i] - value);
+                if (diff < max) {
+                        max = diff;
+                        level = i;
+                }
+        }
+        return level;
+}
+
+static int pmu_backlight_get_level_brightness(int level)
 {
         int pmulevel;
 
         /* Get and convert the value */
-        mutex_lock(&info->bl_mutex);
-        pmulevel = info->bl_curve[level] * FB_BACKLIGHT_MAX / MAX_PMU_LEVEL;
-        mutex_unlock(&info->bl_mutex);
-
+        pmulevel = bl_curve[level] * FB_BACKLIGHT_MAX / MAX_PMU_LEVEL;
         if (pmulevel < 0)
                 pmulevel = 0;
         else if (pmulevel > MAX_PMU_LEVEL)
@@ -39,7 +70,6 @@ static int pmu_backlight_get_level_brightness(struct fb_info *info,
 
 static int pmu_backlight_update_status(struct backlight_device *bd)
 {
-        struct fb_info *info = class_get_devdata(&bd->class_dev);
         struct adb_request req;
         unsigned long flags;
         int level = bd->props->brightness;
@@ -55,7 +85,7 @@ static int pmu_backlight_update_status(struct backlight_device *bd)
                 level = 0;
 
         if (level > 0) {
-                int pmulevel = pmu_backlight_get_level_brightness(info, level);
+                int pmulevel = pmu_backlight_get_level_brightness(level);
 
                 pmu_request(&req, NULL, 2, PMU_BACKLIGHT_BRIGHT, pmulevel);
                 pmu_wait_complete(&req);
@@ -88,35 +118,19 @@ static struct backlight_properties pmu_backlight_data = {
 };
 
 #ifdef CONFIG_PM
-static int pmu_backlight_sleep_call(struct pmu_sleep_notifier *self, int when)
+void pmu_backlight_set_sleep(int sleep)
 {
         unsigned long flags;
 
         spin_lock_irqsave(&pmu_backlight_lock, flags);
-
-        switch (when) {
-        case PBOOK_SLEEP_REQUEST:
-                sleeping = 1;
-                break;
-        case PBOOK_WAKE:
-                sleeping = 0;
-                break;
-        }
-
+        sleeping = sleep;
         spin_unlock_irqrestore(&pmu_backlight_lock, flags);
-
-        return PBOOK_SLEEP_OK;
 }
-
-static struct pmu_sleep_notifier pmu_backlight_sleep_notif = {
-        .notifier_call = pmu_backlight_sleep_call,
-};
-#endif
+#endif /* CONFIG_PM */
 
 void __init pmu_backlight_init()
 {
         struct backlight_device *bd;
-        struct fb_info *info;
         char name[10];
         int level, autosave;
 
@@ -131,27 +145,14 @@ void __init pmu_backlight_init()
             !machine_is_compatible("PowerBook1,1"))
                 return;
 
-        /* Actually, this is a hack, but I don't know of a better way
-         * to get the first framebuffer device.
-         */
-        info = registered_fb[0];
-        if (!info) {
-                printk("pmubl: No framebuffer found\n");
-                goto error;
-        }
-
-        snprintf(name, sizeof(name), "pmubl%d", info->node);
+        snprintf(name, sizeof(name), "pmubl");
 
-        bd = backlight_device_register(name, info, &pmu_backlight_data);
+        bd = backlight_device_register(name, NULL, &pmu_backlight_data);
         if (IS_ERR(bd)) {
                 printk("pmubl: Backlight registration failed\n");
                 goto error;
         }
-
-        mutex_lock(&info->bl_mutex);
-        info->bl_dev = bd;
-        fb_bl_default_curve(info, 0x7F, 0x46, 0x0E);
-        mutex_unlock(&info->bl_mutex);
+        pmu_backlight_init_curve(0x7F, 0x46, 0x0E);
 
         level = pmu_backlight_data.max_brightness;
 
@@ -161,28 +162,22 @@ void __init pmu_backlight_init()
                 pmu_request(&req, NULL, 2, 0xd9, 0);
                 pmu_wait_complete(&req);
 
-                mutex_lock(&info->bl_mutex);
-                level = pmac_backlight_curve_lookup(info,
+                level = pmu_backlight_curve_lookup(
                                 (req.reply[0] >> 4) *
                                 pmu_backlight_data.max_brightness / 15);
-                mutex_unlock(&info->bl_mutex);
         }
 
-        up(&bd->sem);
+        down(&bd->sem);
         bd->props->brightness = level;
         bd->props->power = FB_BLANK_UNBLANK;
         bd->props->update_status(bd);
-        down(&bd->sem);
+        up(&bd->sem);
 
         mutex_lock(&pmac_backlight_mutex);
         if (!pmac_backlight)
                 pmac_backlight = bd;
         mutex_unlock(&pmac_backlight_mutex);
 
-#ifdef CONFIG_PM
-        pmu_register_sleep_notifier(&pmu_backlight_sleep_notif);
-#endif
-
         printk("pmubl: Backlight initialized (%s)\n", name);
 
         return;
diff --git a/drivers/macintosh/via-pmu.c b/drivers/macintosh/via-pmu.c
index ea386801e215..14610a63f580 100644
--- a/drivers/macintosh/via-pmu.c
+++ b/drivers/macintosh/via-pmu.c
@@ -1995,6 +1995,8 @@ restore_via_state(void)
         out_8(&via[IER], IER_SET | SR_INT | CB1_INT);
 }
 
+extern void pmu_backlight_set_sleep(int sleep);
+
 static int
 pmac_suspend_devices(void)
 {
@@ -2032,6 +2034,11 @@ pmac_suspend_devices(void)
                 return -EBUSY;
         }
 
+#ifdef CONFIG_PMAC_BACKLIGHT
+        /* Tell backlight code not to muck around with the chip anymore */
+        pmu_backlight_set_sleep(1);
+#endif
+
         /* Call platform functions marked "on sleep" */
         pmac_pfunc_i2c_suspend();
         pmac_pfunc_base_suspend();
@@ -2090,6 +2097,11 @@ pmac_wakeup_devices(void)
 {
         mdelay(100);
 
+#ifdef CONFIG_PMAC_BACKLIGHT
+        /* Tell backlight code it can use the chip again */
+        pmu_backlight_set_sleep(0);
+#endif
+
         /* Power back up system devices (including the PIC) */
         device_power_up();
 
diff --git a/drivers/md/raid1.c b/drivers/md/raid1.c
index 87bfe9e7d8ca..3b4d69c05623 100644
--- a/drivers/md/raid1.c
+++ b/drivers/md/raid1.c
@@ -930,10 +930,13 @@ static void status(struct seq_file *seq, mddev_t *mddev)
 
         seq_printf(seq, " [%d/%d] [", conf->raid_disks,
                                                 conf->working_disks);
-        for (i = 0; i < conf->raid_disks; i++)
+        rcu_read_lock();
+        for (i = 0; i < conf->raid_disks; i++) {
+                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
                 seq_printf(seq, "%s",
-                              conf->mirrors[i].rdev &&
-                              test_bit(In_sync, &conf->mirrors[i].rdev->flags) ? "U" : "_");
+                           rdev && test_bit(In_sync, &rdev->flags) ? "U" : "_");
+        }
+        rcu_read_unlock();
         seq_printf(seq, "]");
 }
 
@@ -975,7 +978,6 @@ static void error(mddev_t *mddev, mdk_rdev_t *rdev)
 static void print_conf(conf_t *conf)
 {
         int i;
-        mirror_info_t *tmp;
 
         printk("RAID1 conf printout:\n");
         if (!conf) {
@@ -985,14 +987,17 @@ static void print_conf(conf_t *conf)
         printk(" --- wd:%d rd:%d\n", conf->working_disks,
                 conf->raid_disks);
 
+        rcu_read_lock();
         for (i = 0; i < conf->raid_disks; i++) {
                 char b[BDEVNAME_SIZE];
-                tmp = conf->mirrors + i;
-                if (tmp->rdev)
+                mdk_rdev_t *rdev = rcu_dereference(conf->mirrors[i].rdev);
+                if (rdev)
                         printk(" disk %d, wo:%d, o:%d, dev:%s\n",
-                                i, !test_bit(In_sync, &tmp->rdev->flags), !test_bit(Faulty, &tmp->rdev->flags),
-                                bdevname(tmp->rdev->bdev,b));
+                               i, !test_bit(In_sync, &rdev->flags),
+                               !test_bit(Faulty, &rdev->flags),
+                               bdevname(rdev->bdev,b));
         }
+        rcu_read_unlock();
 }
 
 static void close_sync(conf_t *conf)
@@ -1008,20 +1013,20 @@ static int raid1_spare_active(mddev_t *mddev)
 {
         int i;
         conf_t *conf = mddev->private;
-        mirror_info_t *tmp;
 
         /*
          * Find all failed disks within the RAID1 configuration 
-         * and mark them readable
+         * and mark them readable.
+         * Called under mddev lock, so rcu protection not needed.
          */
         for (i = 0; i < conf->raid_disks; i++) {
-                tmp = conf->mirrors + i;
-                if (tmp->rdev 
-                    && !test_bit(Faulty, &tmp->rdev->flags)
-                    && !test_bit(In_sync, &tmp->rdev->flags)) {
+                mdk_rdev_t *rdev = conf->mirrors[i].rdev;
+                if (rdev
+                    && !test_bit(Faulty, &rdev->flags)
+                    && !test_bit(In_sync, &rdev->flags)) {
                         conf->working_disks++;
                         mddev->degraded--;
-                        set_bit(In_sync, &tmp->rdev->flags);
+                        set_bit(In_sync, &rdev->flags);
                 }
         }
 
@@ -1237,7 +1242,7 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
                 /* ouch - failed to read all of that.
                  * Try some synchronous reads of other devices to get
                  * good data, much like with normal read errors.  Only
-                 * read into the pages we already have so they we don't
+                 * read into the pages we already have so we don't
                  * need to re-issue the read request.
                  * We don't need to freeze the array, because being in an
                  * active sync request, there is no normal IO, and
@@ -1257,6 +1262,10 @@ static void sync_request_write(mddev_t *mddev, r1bio_t *r1_bio)
                                 s = PAGE_SIZE >> 9;
                         do {
                                 if (r1_bio->bios[d]->bi_end_io == end_sync_read) {
+                                        /* No rcu protection needed here devices
+                                         * can only be removed when no resync is
+                                         * active, and resync is currently active
+                                         */
                                         rdev = conf->mirrors[d].rdev;
                                         if (sync_page_io(rdev->bdev,
                                                          sect + rdev->data_offset,
@@ -1463,6 +1472,11 @@ static void raid1d(mddev_t *mddev)
                                         s = PAGE_SIZE >> 9;
 
                                 do {
+                                        /* Note: no rcu protection needed here
+                                         * as this is synchronous in the raid1d thread
+                                         * which is the thread that might remove
+                                         * a device.  If raid1d ever becomes multi-threaded....
+                                         */
                                         rdev = conf->mirrors[d].rdev;
                                         if (rdev &&
                                             test_bit(In_sync, &rdev->flags) &&
@@ -1486,7 +1500,6 @@ static void raid1d(mddev_t *mddev)
                                                         d = conf->raid_disks;
                                                 d--;
                                                 rdev = conf->mirrors[d].rdev;
-                                                atomic_add(s, &rdev->corrected_errors);
                                                 if (rdev &&
                                                     test_bit(In_sync, &rdev->flags)) {
                                                         if (sync_page_io(rdev->bdev,
@@ -1509,9 +1522,11 @@ static void raid1d(mddev_t *mddev)
                                                                          s<<9, conf->tmppage, READ) == 0)
                                                                 /* Well, this device is dead */
                                                                 md_error(mddev, rdev);
-                                                        else
+                                                        else {
+                                                                atomic_add(s, &rdev->corrected_errors);
                                                                 printk(KERN_INFO "raid1:%s: read error corrected (%d sectors at %llu on %s)\n",
                                                                        mdname(mddev), s, (unsigned long long)(sect + rdev->data_offset), bdevname(rdev->bdev, b));
+                                                        }
                                                 }
                                         }
                                 } else {
@@ -1787,19 +1802,17 @@ static sector_t sync_request(mddev_t *mddev, sector_t sector_nr, int *skipped, i
                 for (i=0; i<conf->raid_disks; i++) {
                         bio = r1_bio->bios[i];
                         if (bio->bi_end_io == end_sync_read) {
-                                md_sync_acct(conf->mirrors[i].rdev->bdev, nr_sectors);
+                                md_sync_acct(bio->bi_bdev, nr_sectors);
                                 generic_make_request(bio);
                         }
                 }
         } else {
                 atomic_set(&r1_bio->remaining, 1);
                 bio = r1_bio->bios[r1_bio->read_disk];
-                md_sync_acct(conf->mirrors[r1_bio->read_disk].rdev->bdev,
-                             nr_sectors);
+                md_sync_acct(bio->bi_bdev, nr_sectors);
                 generic_make_request(bio);
 
         }
-
         return nr_sectors;
 }
 
diff --git a/drivers/net/e100.c b/drivers/net/e100.c
index 91ef5f2fd768..ce850f1078b5 100644
--- a/drivers/net/e100.c
+++ b/drivers/net/e100.c
@@ -173,8 +173,11 @@ MODULE_LICENSE("GPL");
 MODULE_VERSION(DRV_VERSION);
 
 static int debug = 3;
+static int eeprom_bad_csum_allow = 0;
 module_param(debug, int, 0);
+module_param(eeprom_bad_csum_allow, int, 0);
 MODULE_PARM_DESC(debug, "Debug level (0=none,...,16=all)");
+MODULE_PARM_DESC(eeprom_bad_csum_allow, "Allow bad eeprom checksums");
 #define DPRINTK(nlevel, klevel, fmt, args...) \
         (void)((NETIF_MSG_##nlevel & nic->msg_enable) && \
         printk(KERN_##klevel PFX "%s: %s: " fmt, nic->netdev->name, \
@@ -756,7 +759,8 @@ static int e100_eeprom_load(struct nic *nic)
         checksum = le16_to_cpu(0xBABA - checksum);
         if(checksum != nic->eeprom[nic->eeprom_wc - 1]) {
                 DPRINTK(PROBE, ERR, "EEPROM corrupted\n");
-                return -EAGAIN;
+                if (!eeprom_bad_csum_allow)
+                        return -EAGAIN;
         }
 
         return 0;
diff --git a/drivers/net/sunlance.c b/drivers/net/sunlance.c
index 0e3fdf7c6dd3..ec0413609f36 100644
--- a/drivers/net/sunlance.c
+++ b/drivers/net/sunlance.c
@@ -1566,20 +1566,21 @@ static int __exit sunlance_sun4_remove(void)
 static int __devinit sunlance_sbus_probe(struct of_device *dev, const struct of_device_id *match)
 {
         struct sbus_dev *sdev = to_sbus_device(&dev->dev);
-        struct device_node *dp = dev->node;
         int err;
 
-        if (!strcmp(dp->name, "le")) {
-                err = sparc_lance_probe_one(sdev, NULL, NULL);
-        } else if (!strcmp(dp->name, "ledma")) {
-                struct sbus_dma *ledma = find_ledma(sdev);
+        if (sdev->parent) {
+                struct of_device *parent = &sdev->parent->ofdev;
 
-                err = sparc_lance_probe_one(sdev->child, ledma, NULL);
-        } else {
-                BUG_ON(strcmp(dp->name, "lebuffer"));
+                if (!strcmp(parent->node->name, "ledma")) {
+                        struct sbus_dma *ledma = find_ledma(to_sbus_device(&parent->dev));
 
-                err = sparc_lance_probe_one(sdev->child, NULL, sdev);
-        }
+                        err = sparc_lance_probe_one(sdev, ledma, NULL);
+                } else if (!strcmp(parent->node->name, "lebuffer")) {
+                        err = sparc_lance_probe_one(sdev, NULL, to_sbus_device(&parent->dev));
+                } else
+                        err = sparc_lance_probe_one(sdev, NULL, NULL);
+        } else
+                err = sparc_lance_probe_one(sdev, NULL, NULL);
 
         return err;
 }
@@ -1604,12 +1605,6 @@ static struct of_device_id sunlance_sbus_match[] = {
         {
                 .name = "le",
         },
-        {
-                .name = "ledma",
-        },
-        {
-                .name = "lebuffer",
-        },
         {},
 };
 
diff --git a/drivers/net/wireless/strip.c b/drivers/net/wireless/strip.c
index fd31885c6844..ccaf28e8db0a 100644
--- a/drivers/net/wireless/strip.c
+++ b/drivers/net/wireless/strip.c
@@ -467,6 +467,7 @@ static int arp_query(unsigned char *haddr, u32 paddr,
                      struct net_device *dev)
 {
         struct neighbour *neighbor_entry;
+        int ret = 0;
 
         neighbor_entry = neigh_lookup(&arp_tbl, &paddr, dev);
 
@@ -474,10 +475,11 @@ static int arp_query(unsigned char *haddr, u32 paddr,
                 neighbor_entry->used = jiffies;
                 if (neighbor_entry->nud_state & NUD_VALID) {
                         memcpy(haddr, neighbor_entry->ha, dev->addr_len);
-                        return 1;
+                        ret = 1;
                 }
+                neigh_release(neighbor_entry);
         }
-        return 0;
+        return ret;
 }
 
 static void DumpData(char *msg, struct strip *strip_info, __u8 * ptr,
diff --git a/drivers/pci/quirks.c b/drivers/pci/quirks.c
index 73177429fe74..17e709e7d72a 100644
--- a/drivers/pci/quirks.c
+++ b/drivers/pci/quirks.c
@@ -667,6 +667,7 @@ DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_0, quirk_vi
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_1, quirk_via_irq);
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_2, quirk_via_irq);
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C586_3, quirk_via_irq);
+DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_8235_USB_2, quirk_via_irq);
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686, quirk_via_irq);
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_4, quirk_via_irq);
 DECLARE_PCI_FIXUP_ENABLE(PCI_VENDOR_ID_VIA, PCI_DEVICE_ID_VIA_82C686_5, quirk_via_irq);
diff --git a/drivers/s390/block/dasd.c b/drivers/s390/block/dasd.c
index d8e9b95f0a1a..25c1ef6dfd44 100644
--- a/drivers/s390/block/dasd.c
+++ b/drivers/s390/block/dasd.c
@@ -52,7 +52,7 @@ static void dasd_setup_queue(struct dasd_device * device);
 static void dasd_free_queue(struct dasd_device * device);
 static void dasd_flush_request_queue(struct dasd_device *);
 static void dasd_int_handler(struct ccw_device *, unsigned long, struct irb *);
-static void dasd_flush_ccw_queue(struct dasd_device *, int);
+static int dasd_flush_ccw_queue(struct dasd_device *, int);
 static void dasd_tasklet(struct dasd_device *);
 static void do_kick_device(void *data);
 
@@ -60,6 +60,7 @@ static void do_kick_device(void *data);
  * SECTION: Operations on the device structure.
  */
 static wait_queue_head_t dasd_init_waitq;
+static wait_queue_head_t dasd_flush_wq;
 
 /*
  * Allocate memory for a new device structure.
@@ -121,7 +122,7 @@ dasd_free_device(struct dasd_device *device)
 /*
  * Make a new device known to the system.
  */
-static inline int
+static int
 dasd_state_new_to_known(struct dasd_device *device)
 {
         int rc;
@@ -145,7 +146,7 @@ dasd_state_new_to_known(struct dasd_device *device)
 /*
  * Let the system forget about a device.
  */
-static inline void
+static int
 dasd_state_known_to_new(struct dasd_device * device)
 {
         /* Disable extended error reporting for this device. */
@@ -163,12 +164,13 @@ dasd_state_known_to_new(struct dasd_device * device)
 
         /* Give up reference we took in dasd_state_new_to_known. */
         dasd_put_device(device);
+        return 0;
 }
 
 /*
  * Request the irq line for the device.
  */
-static inline int
+static int
 dasd_state_known_to_basic(struct dasd_device * device)
 {
         int rc;
@@ -192,17 +194,23 @@ dasd_state_known_to_basic(struct dasd_device * device)
 /*
  * Release the irq line for the device. Terminate any running i/o.
  */
-static inline void
+static int
 dasd_state_basic_to_known(struct dasd_device * device)
 {
+        int rc;
+
         dasd_gendisk_free(device);
-        dasd_flush_ccw_queue(device, 1);
+        rc = dasd_flush_ccw_queue(device, 1);
+        if (rc)
+                return rc;
+
         DBF_DEV_EVENT(DBF_EMERG, device, "%p debug area deleted", device);
         if (device->debug_area != NULL) {
                 debug_unregister(device->debug_area);
                 device->debug_area = NULL;
         }
         device->state = DASD_STATE_KNOWN;
+        return 0;
 }
 
 /*
@@ -219,7 +227,7 @@ dasd_state_basic_to_known(struct dasd_device * device)
  * In case the analysis returns an error, the device setup is stopped
  * (a fake disk was already added to allow formatting).
  */
-static inline int
+static int
 dasd_state_basic_to_ready(struct dasd_device * device)
 {
         int rc;
@@ -247,25 +255,31 @@ dasd_state_basic_to_ready(struct dasd_device * device)
  * Forget format information. Check if the target level is basic
  * and if it is create fake disk for formatting.
  */
-static inline void
+static int
 dasd_state_ready_to_basic(struct dasd_device * device)
 {
-        dasd_flush_ccw_queue(device, 0);
+        int rc;
+
+        rc = dasd_flush_ccw_queue(device, 0);
+        if (rc)
+                return rc;
         dasd_destroy_partitions(device);
         dasd_flush_request_queue(device);
         device->blocks = 0;
         device->bp_block = 0;
         device->s2b_shift = 0;
         device->state = DASD_STATE_BASIC;
+        return 0;
 }
 
 /*
  * Back to basic.
  */
-static inline void
+static int
 dasd_state_unfmt_to_basic(struct dasd_device * device)
 {
         device->state = DASD_STATE_BASIC;
+        return 0;
 }
 
 /*
@@ -273,7 +287,7 @@ dasd_state_unfmt_to_basic(struct dasd_device * device)
  * the requeueing of requests from the linux request queue to the
  * ccw queue.
  */
-static inline int
+static int
 dasd_state_ready_to_online(struct dasd_device * device)
 {
         device->state = DASD_STATE_ONLINE;
@@ -284,16 +298,17 @@ dasd_state_ready_to_online(struct dasd_device * device)
 /*
  * Stop the requeueing of requests again.
  */
-static inline void
+static int
 dasd_state_online_to_ready(struct dasd_device * device)
 {
         device->state = DASD_STATE_READY;
+        return 0;
 }
 
 /*
  * Device startup state changes.
  */
-static inline int
+static int
 dasd_increase_state(struct dasd_device *device)
 {
         int rc;
@@ -329,30 +344,37 @@ dasd_increase_state(struct dasd_device *device)
 /*
  * Device shutdown state changes.
  */
-static inline int
+static int
 dasd_decrease_state(struct dasd_device *device)
 {
+        int rc;
+
+        rc = 0;
         if (device->state == DASD_STATE_ONLINE &&
             device->target <= DASD_STATE_READY)
-                dasd_state_online_to_ready(device);
+                rc = dasd_state_online_to_ready(device);
 
-        if (device->state == DASD_STATE_READY &&
+        if (!rc &&
+            device->state == DASD_STATE_READY &&
             device->target <= DASD_STATE_BASIC)
-                dasd_state_ready_to_basic(device);
+                rc = dasd_state_ready_to_basic(device);
 
-        if (device->state == DASD_STATE_UNFMT &&
+        if (!rc &&
+            device->state == DASD_STATE_UNFMT &&
             device->target <= DASD_STATE_BASIC)
-                dasd_state_unfmt_to_basic(device);
+                rc = dasd_state_unfmt_to_basic(device);
 
-        if (device->state == DASD_STATE_BASIC &&
+        if (!rc &&
+            device->state == DASD_STATE_BASIC &&
             device->target <= DASD_STATE_KNOWN)
-                dasd_state_basic_to_known(device);
+                rc = dasd_state_basic_to_known(device);
 
-        if (device->state == DASD_STATE_KNOWN &&
+        if (!rc &&
+            device->state == DASD_STATE_KNOWN &&
             device->target <= DASD_STATE_NEW)
-                dasd_state_known_to_new(device);
+                rc = dasd_state_known_to_new(device);
 
-        return 0;
+        return rc;
 }
 
 /*
@@ -701,6 +723,7 @@ dasd_term_IO(struct dasd_ccw_req * cqr)
                         cqr->retries--;
                         cqr->status = DASD_CQR_CLEAR;
                         cqr->stopclk = get_clock();
+                        cqr->starttime = 0;
                         DBF_DEV_EVENT(DBF_DEBUG, device,
                                       "terminate cqr %p successful",
                                       cqr);
@@ -978,6 +1001,7 @@ dasd_int_handler(struct ccw_device *cdev, unsigned long intparm,
             irb->scsw.fctl & SCSW_FCTL_CLEAR_FUNC) {
                 cqr->status = DASD_CQR_QUEUED;
                 dasd_clear_timer(device);
+                wake_up(&dasd_flush_wq);
                 dasd_schedule_bh(device);
                 return;
         }
@@ -1241,6 +1265,10 @@ __dasd_check_expire(struct dasd_device * device)
         cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, list);
         if (cqr->status == DASD_CQR_IN_IO && cqr->expires != 0) {
                 if (time_after_eq(jiffies, cqr->expires + cqr->starttime)) {
+                        DEV_MESSAGE(KERN_ERR, device,
+                                    "internal error - timeout (%is) expired "
+                                    "for cqr %p (%i retries left)",
+                                    (cqr->expires/HZ), cqr, cqr->retries);
                         if (device->discipline->term_IO(cqr) != 0)
                                 /* Hmpf, try again in 1/10 sec */
                                 dasd_set_timer(device, 10);
@@ -1285,46 +1313,100 @@ __dasd_start_head(struct dasd_device * device)
                 dasd_set_timer(device, 50);
 }
 
+static inline int
+_wait_for_clear(struct dasd_ccw_req *cqr)
+{
+        return (cqr->status == DASD_CQR_QUEUED);
+}
+
 /*
- * Remove requests from the ccw queue.
+ * Remove all requests from the ccw queue (all = '1') or only block device
+ * requests in case all = '0'.
+ * Take care of the erp-chain (chained via cqr->refers) and remove either
+ * the whole erp-chain or none of the erp-requests.
+ * If a request is currently running, term_IO is called and the request
+ * is re-queued. Prior to removing the terminated request we need to wait
+ * for the clear-interrupt.
+ * In case termination is not possible we stop processing and just finishing
+ * the already moved requests.
  */
-static void
+static int
 dasd_flush_ccw_queue(struct dasd_device * device, int all)
 {
+        struct dasd_ccw_req *cqr, *orig, *n;
+        int rc, i;
+
         struct list_head flush_queue;
-        struct list_head *l, *n;
-        struct dasd_ccw_req *cqr;
 
         INIT_LIST_HEAD(&flush_queue);
         spin_lock_irq(get_ccwdev_lock(device->cdev));
-        list_for_each_safe(l, n, &device->ccw_queue) {
-                cqr = list_entry(l, struct dasd_ccw_req, list);
+        rc = 0;
+restart:
+        list_for_each_entry_safe(cqr, n, &device->ccw_queue, list) {
+                /* get original request of erp request-chain */
+                for (orig = cqr; orig->refers != NULL; orig = orig->refers);
+
                 /* Flush all request or only block device requests? */
-                if (all == 0 && cqr->callback == dasd_end_request_cb)
+                if (all == 0 && cqr->callback != dasd_end_request_cb &&
+                    orig->callback != dasd_end_request_cb) {
                         continue;
-                if (cqr->status == DASD_CQR_IN_IO)
-                        device->discipline->term_IO(cqr);
-                if (cqr->status != DASD_CQR_DONE ||
-                    cqr->status != DASD_CQR_FAILED) {
-                        cqr->status = DASD_CQR_FAILED;
+                }
+                /* Check status and move request to flush_queue */
+                switch (cqr->status) {
+                case DASD_CQR_IN_IO:
+                        rc = device->discipline->term_IO(cqr);
+                        if (rc) {
+                                /* unable to terminate requeust */
+                                DEV_MESSAGE(KERN_ERR, device,
+                                            "dasd flush ccw_queue is unable "
+                                            " to terminate request %p",
+                                            cqr);
+                                /* stop flush processing */
+                                goto finished;
+                        }
+                        break;
+                case DASD_CQR_QUEUED:
+                case DASD_CQR_ERROR:
+                        /* set request to FAILED */
                         cqr->stopclk = get_clock();
+                        cqr->status = DASD_CQR_FAILED;
+                        break;
+                default: /* do not touch the others */
+                        break;
+                }
+                /* Rechain request (including erp chain) */
+                for (i = 0; cqr != NULL; cqr = cqr->refers, i++) {
+                        cqr->endclk = get_clock();
+                        list_move_tail(&cqr->list, &flush_queue);
+                }
+                if (i > 1)
+                        /* moved more than one request - need to restart */
+                        goto restart;
+        }
+
+finished:
+        spin_unlock_irq(get_ccwdev_lock(device->cdev));
+        /* Now call the callback function of flushed requests */
+restart_cb:
+        list_for_each_entry_safe(cqr, n, &flush_queue, list) {
+                if (cqr->status == DASD_CQR_CLEAR) {
+                        /* wait for clear interrupt! */
+                        wait_event(dasd_flush_wq, _wait_for_clear(cqr));
+                        cqr->status = DASD_CQR_FAILED;
                 }
                 /* Process finished ERP request. */
                 if (cqr->refers) {
                         __dasd_process_erp(device, cqr);
-                        continue;
+                        /* restart list_for_xx loop since dasd_process_erp
+                         * might remove multiple elements */
+                        goto restart_cb;
                 }
-                /* Rechain request on device request queue */
+                /* call the callback function */
                 cqr->endclk = get_clock();
-                list_move_tail(&cqr->list, &flush_queue);
-        }
-        spin_unlock_irq(get_ccwdev_lock(device->cdev));
-        /* Now call the callback function of flushed requests */
-        list_for_each_safe(l, n, &flush_queue) {
-                cqr = list_entry(l, struct dasd_ccw_req, list);
                 if (cqr->callback != NULL)
                         (cqr->callback)(cqr, cqr->callback_data);
         }
+        return rc;
 }
 
 /*
@@ -1510,10 +1592,8 @@ dasd_sleep_on_interruptible(struct dasd_ccw_req * cqr)
                         if (device->discipline->term_IO) {
                                 cqr->retries = -1;
                                 device->discipline->term_IO(cqr);
-                                /*nished =
-                                 * wait (non-interruptible) for final status
-                                 * because signal ist still pending
-                                 */
+                                /* wait (non-interruptible) for final status
+                                 * because signal ist still pending */
                                 spin_unlock_irq(get_ccwdev_lock(device->cdev));
                                 wait_event(wait_q, _wait_for_wakeup(cqr));
                                 spin_lock_irq(get_ccwdev_lock(device->cdev));
@@ -1546,19 +1626,11 @@ static inline int
 _dasd_term_running_cqr(struct dasd_device *device)
 {
         struct dasd_ccw_req *cqr;
-        int rc;
 
         if (list_empty(&device->ccw_queue))
                 return 0;
         cqr = list_entry(device->ccw_queue.next, struct dasd_ccw_req, list);
-        rc = device->discipline->term_IO(cqr);
-        if (rc == 0) {
-                /* termination successful */
-                cqr->status = DASD_CQR_QUEUED;
-                cqr->startclk = cqr->stopclk = 0;
-                cqr->starttime = 0;
-        }
-        return rc;
+        return device->discipline->term_IO(cqr);
 }
 
 int
@@ -1726,10 +1798,7 @@ dasd_flush_request_queue(struct dasd_device * device)
                 return;
 
         spin_lock_irq(&device->request_queue_lock);
-        while (!list_empty(&device->request_queue->queue_head)) {
-                req = elv_next_request(device->request_queue);
-                if (req == NULL)
-                        break;
+        while ((req = elv_next_request(device->request_queue))) {
                 blkdev_dequeue_request(req);
                 dasd_end_request(req, 0);
         }
@@ -2091,6 +2160,7 @@ dasd_init(void)
         int rc;
 
         init_waitqueue_head(&dasd_init_waitq);
+        init_waitqueue_head(&dasd_flush_wq);
 
         /* register 'common' DASD debug area, used for all DBF_XXX calls */
         dasd_debug_area = debug_register("dasd", 1, 2, 8 * sizeof (long));
diff --git a/drivers/s390/block/dasd_genhd.c b/drivers/s390/block/dasd_genhd.c
index 4c272b70f41a..d163632101d2 100644
--- a/drivers/s390/block/dasd_genhd.c
+++ b/drivers/s390/block/dasd_genhd.c
@@ -83,10 +83,12 @@ dasd_gendisk_alloc(struct dasd_device *device)
 void
 dasd_gendisk_free(struct dasd_device *device)
 {
-        del_gendisk(device->gdp);
-        device->gdp->queue = NULL;
-        put_disk(device->gdp);
-        device->gdp = NULL;
+        if (device->gdp) {
+                del_gendisk(device->gdp);
+                device->gdp->queue = NULL;
+                put_disk(device->gdp);
+                device->gdp = NULL;
+        }
 }
 
 /*
diff --git a/drivers/s390/cio/ccwgroup.c b/drivers/s390/cio/ccwgroup.c
index 3cba6c9fab11..38954f5cd14c 100644
--- a/drivers/s390/cio/ccwgroup.c
+++ b/drivers/s390/cio/ccwgroup.c
@@ -183,11 +183,9 @@ ccwgroup_create(struct device *root,
 
         gdev->creator_id = creator_id;
         gdev->count = argc;
-        gdev->dev = (struct device ) {
-                .bus = &ccwgroup_bus_type,
-                .parent = root,
-                .release = ccwgroup_release,
-        };
+        gdev->dev.bus = &ccwgroup_bus_type;
+        gdev->dev.parent = root;
+        gdev->dev.release = ccwgroup_release;
 
         snprintf (gdev->dev.bus_id, BUS_ID_SIZE, "%s",
                         gdev->cdev[0]->dev.bus_id);
@@ -391,10 +389,8 @@ int
 ccwgroup_driver_register (struct ccwgroup_driver *cdriver)
 {
         /* register our new driver with the core */
-        cdriver->driver = (struct device_driver) {
-                .bus = &ccwgroup_bus_type,
-                .name = cdriver->name,
-        };
+        cdriver->driver.bus = &ccwgroup_bus_type;
+        cdriver->driver.name = cdriver->name;
 
         return driver_register(&cdriver->driver);
 }
diff --git a/drivers/s390/cio/chsc.c b/drivers/s390/cio/chsc.c
index 61ce3f1d5228..c28444af0919 100644
--- a/drivers/s390/cio/chsc.c
+++ b/drivers/s390/cio/chsc.c
@@ -238,8 +238,6 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
         /* Check for single path devices. */
         if (sch->schib.pmcw.pim == 0x80)
                 goto out_unreg;
-        if (sch->vpm == mask)
-                goto out_unreg;
 
         if ((sch->schib.scsw.actl & SCSW_ACTL_DEVACT) &&
             (sch->schib.scsw.actl & SCSW_ACTL_SCHACT) &&
@@ -258,6 +256,8 @@ s390_subchannel_remove_chpid(struct device *dev, void *data)
         /* trigger path verification. */
         if (sch->driver && sch->driver->verify)
                 sch->driver->verify(&sch->dev);
+        else if (sch->vpm == mask)
+                goto out_unreg;
 out_unlock:
         spin_unlock_irq(&sch->lock);
         return 0;
@@ -1391,10 +1391,8 @@ new_channel_path(int chpid)
         /* fill in status, etc. */
         chp->id = chpid;
         chp->state = 1;
-        chp->dev = (struct device) {
-                .parent  = &css[0]->device,
-                .release = chp_release,
-        };
+        chp->dev.parent = &css[0]->device;
+        chp->dev.release = chp_release;
         snprintf(chp->dev.bus_id, BUS_ID_SIZE, "chp0.%x", chpid);
 
         /* Obtain channel path description and fill it in. */
diff --git a/drivers/s390/cio/device.c b/drivers/s390/cio/device.c
index 585fa04233c3..646da5640401 100644
--- a/drivers/s390/cio/device.c
+++ b/drivers/s390/cio/device.c
@@ -556,12 +556,11 @@ get_disc_ccwdev_by_devno(unsigned int devno, unsigned int ssid,
                          struct ccw_device *sibling)
 {
         struct device *dev;
-        struct match_data data = {
-                .devno   = devno,
-                .ssid    = ssid,
-                .sibling = sibling,
-        };
+        struct match_data data;
 
+        data.devno = devno;
+        data.ssid = ssid;
+        data.sibling = sibling;
         dev = bus_find_device(&ccw_bus_type, NULL, &data, match_devno);
 
         return dev ? to_ccwdev(dev) : NULL;
@@ -835,10 +834,8 @@ io_subchannel_probe (struct subchannel *sch)
                 return -ENOMEM;
         }
         atomic_set(&cdev->private->onoff, 0);
-        cdev->dev = (struct device) {
-                .parent = &sch->dev,
-                .release = ccw_device_release,
-        };
+        cdev->dev.parent = &sch->dev;
+        cdev->dev.release = ccw_device_release;
         INIT_LIST_HEAD(&cdev->private->kick_work.entry);
         /* Do first half of device_register. */
         device_initialize(&cdev->dev);
@@ -977,9 +974,7 @@ ccw_device_console_enable (struct ccw_device *cdev, struct subchannel *sch)
         int rc;
 
         /* Initialize the ccw_device structure. */
-        cdev->dev = (struct device) {
-                .parent = &sch->dev,
-        };
+        cdev->dev.parent= &sch->dev;
         rc = io_subchannel_recog(cdev, sch);
         if (rc)
                 return rc;
diff --git a/drivers/s390/cio/device_fsm.c b/drivers/s390/cio/device_fsm.c
index 6d91c2eb205b..35e162ba6d54 100644
--- a/drivers/s390/cio/device_fsm.c
+++ b/drivers/s390/cio/device_fsm.c
@@ -267,12 +267,10 @@ ccw_device_recog_done(struct ccw_device *cdev, int state)
                         notify = 1;
                 }
                 /* fill out sense information */
-                cdev->id = (struct ccw_device_id) {
-                        .cu_type   = cdev->private->senseid.cu_type,
-                        .cu_model  = cdev->private->senseid.cu_model,
-                        .dev_type  = cdev->private->senseid.dev_type,
-                        .dev_model = cdev->private->senseid.dev_model,
-                };
+                cdev->id.cu_type   = cdev->private->senseid.cu_type;
+                cdev->id.cu_model  = cdev->private->senseid.cu_model;
+                cdev->id.dev_type  = cdev->private->senseid.dev_type;
+                cdev->id.dev_model = cdev->private->senseid.dev_model;
                 if (notify) {
                         cdev->private->state = DEV_STATE_OFFLINE;
                         if (same_dev) {
@@ -566,12 +564,10 @@ ccw_device_verify_done(struct ccw_device *cdev, int err)
                 /* Deliver fake irb to device driver, if needed. */
                 if (cdev->private->flags.fake_irb) {
                         memset(&cdev->private->irb, 0, sizeof(struct irb));
-                        cdev->private->irb.scsw = (struct scsw) {
-                                .cc = 1,
-                                .fctl = SCSW_FCTL_START_FUNC,
-                                .actl = SCSW_ACTL_START_PEND,
-                                .stctl = SCSW_STCTL_STATUS_PEND,
-                        };
+                        cdev->private->irb.scsw.cc = 1;
+                        cdev->private->irb.scsw.fctl = SCSW_FCTL_START_FUNC;
+                        cdev->private->irb.scsw.actl = SCSW_ACTL_START_PEND;
+                        cdev->private->irb.scsw.stctl = SCSW_STCTL_STATUS_PEND;
                         cdev->private->flags.fake_irb = 0;
                         if (cdev->handler)
                                 cdev->handler(cdev, cdev->private->intparm,
diff --git a/drivers/s390/cio/device_pgid.c b/drivers/s390/cio/device_pgid.c
index 32610fd8868e..1693a102dcfe 100644
--- a/drivers/s390/cio/device_pgid.c
+++ b/drivers/s390/cio/device_pgid.c
@@ -24,6 +24,21 @@
 #include "ioasm.h"
 
 /*
+ * Helper function called from interrupt context to decide whether an
+ * operation should be tried again.
+ */
+static int __ccw_device_should_retry(struct scsw *scsw)
+{
+        /* CC is only valid if start function bit is set. */
+        if ((scsw->fctl & SCSW_FCTL_START_FUNC) && scsw->cc == 1)
+                return 1;
+        /* No more activity. For sense and set PGID we stubbornly try again. */
+        if (!scsw->actl)
+                return 1;
+        return 0;
+}
+
+/*
  * Start Sense Path Group ID helper function. Used in ccw_device_recog
  * and ccw_device_sense_pgid.
  */
@@ -155,10 +170,10 @@ ccw_device_sense_pgid_irq(struct ccw_device *cdev, enum dev_event dev_event)
         int ret;
 
         irb = (struct irb *) __LC_IRB;
-        /* Retry sense pgid for cc=1. */
+
         if (irb->scsw.stctl ==
             (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) {
-                if (irb->scsw.cc == 1) {
+                if (__ccw_device_should_retry(&irb->scsw)) {
                         ret = __ccw_device_sense_pgid_start(cdev);
                         if (ret && ret != -EBUSY)
                                 ccw_device_sense_pgid_done(cdev, ret);
@@ -391,10 +406,10 @@ ccw_device_verify_irq(struct ccw_device *cdev, enum dev_event dev_event)
         int ret;
 
         irb = (struct irb *) __LC_IRB;
-        /* Retry set pgid for cc=1. */
+
         if (irb->scsw.stctl ==
             (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) {
-                if (irb->scsw.cc == 1)
+                if (__ccw_device_should_retry(&irb->scsw))
                         __ccw_device_verify_start(cdev);
                 return;
         }
@@ -494,10 +509,10 @@ ccw_device_disband_irq(struct ccw_device *cdev, enum dev_event dev_event)
         int ret;
 
         irb = (struct irb *) __LC_IRB;
-        /* Retry set pgid for cc=1. */
+
         if (irb->scsw.stctl ==
             (SCSW_STCTL_STATUS_PEND | SCSW_STCTL_ALERT_STATUS)) {
-                if (irb->scsw.cc == 1)
+                if (__ccw_device_should_retry(&irb->scsw))
                         __ccw_device_disband_start(cdev);
                 return;
         }
diff --git a/drivers/usb/gadget/ether.c b/drivers/usb/gadget/ether.c
index 4fe1bec1c255..30299c620d97 100644
--- a/drivers/usb/gadget/ether.c
+++ b/drivers/usb/gadget/ether.c
@@ -117,6 +117,8 @@ struct eth_dev {
         struct usb_ep           *in_ep, *out_ep, *status_ep;
         const struct usb_endpoint_descriptor
                                 *in, *out, *status;
+
+        spinlock_t              req_lock;
         struct list_head        tx_reqs, rx_reqs;
 
         struct net_device       *net;
@@ -1066,21 +1068,31 @@ static void eth_reset_config (struct eth_dev *dev)
          */
         if (dev->in) {
                 usb_ep_disable (dev->in_ep);
+                spin_lock(&dev->req_lock);
                 while (likely (!list_empty (&dev->tx_reqs))) {
                         req = container_of (dev->tx_reqs.next,
                                                 struct usb_request, list);
                         list_del (&req->list);
+
+                        spin_unlock(&dev->req_lock);
                         usb_ep_free_request (dev->in_ep, req);
+                        spin_lock(&dev->req_lock);
                 }
+                spin_unlock(&dev->req_lock);
         }
         if (dev->out) {
                 usb_ep_disable (dev->out_ep);
+                spin_lock(&dev->req_lock);
                 while (likely (!list_empty (&dev->rx_reqs))) {
                         req = container_of (dev->rx_reqs.next,
                                                 struct usb_request, list);
                         list_del (&req->list);
+
+                        spin_unlock(&dev->req_lock);
                         usb_ep_free_request (dev->out_ep, req);
+                        spin_lock(&dev->req_lock);
                 }
+                spin_unlock(&dev->req_lock);
         }
 
         if (dev->status) {
@@ -1659,9 +1671,9 @@ enomem:
         if (retval) {
                 DEBUG (dev, "rx submit --> %d\n", retval);
                 dev_kfree_skb_any (skb);
-                spin_lock (&dev->lock);
+                spin_lock(&dev->req_lock);
                 list_add (&req->list, &dev->rx_reqs);
-                spin_unlock (&dev->lock);
+                spin_unlock(&dev->req_lock);
         }
         return retval;
 }
@@ -1730,8 +1742,9 @@ quiesce:
                 dev_kfree_skb_any (skb);
         if (!netif_running (dev->net)) {
 clean:
-                /* nobody reading rx_reqs, so no dev->lock */
+                spin_lock(&dev->req_lock);
                 list_add (&req->list, &dev->rx_reqs);
+                spin_unlock(&dev->req_lock);
                 req = NULL;
         }
         if (req)
@@ -1782,15 +1795,18 @@ static int alloc_requests (struct eth_dev *dev, unsigned n, gfp_t gfp_flags)
 {
         int status;
 
+        spin_lock(&dev->req_lock);
         status = prealloc (&dev->tx_reqs, dev->in_ep, n, gfp_flags);
         if (status < 0)
                 goto fail;
         status = prealloc (&dev->rx_reqs, dev->out_ep, n, gfp_flags);
         if (status < 0)
                 goto fail;
-        return 0;
+        goto done;
 fail:
         DEBUG (dev, "can't alloc requests\n");
+done:
+        spin_unlock(&dev->req_lock);
         return status;
 }
 
@@ -1800,21 +1816,21 @@ static void rx_fill (struct eth_dev *dev, gfp_t gfp_flags)
         unsigned long           flags;
 
         /* fill unused rxq slots with some skb */
-        spin_lock_irqsave (&dev->lock, flags);
+        spin_lock_irqsave(&dev->req_lock, flags);
         while (!list_empty (&dev->rx_reqs)) {
                 req = container_of (dev->rx_reqs.next,
                                 struct usb_request, list);
                 list_del_init (&req->list);
-                spin_unlock_irqrestore (&dev->lock, flags);
+                spin_unlock_irqrestore(&dev->req_lock, flags);
 
                 if (rx_submit (dev, req, gfp_flags) < 0) {
                         defer_kevent (dev, WORK_RX_MEMORY);
                         return;
                 }
 
-                spin_lock_irqsave (&dev->lock, flags);
+                spin_lock_irqsave(&dev->req_lock, flags);
         }
-        spin_unlock_irqrestore (&dev->lock, flags);
+        spin_unlock_irqrestore(&dev->req_lock, flags);
 }
 
 static void eth_work (void *_dev)
@@ -1848,9 +1864,9 @@ static void tx_complete (struct usb_ep *ep, struct usb_request *req)
         }
         dev->stats.tx_packets++;
 
-        spin_lock (&dev->lock);
+        spin_lock(&dev->req_lock);
         list_add (&req->list, &dev->tx_reqs);
-        spin_unlock (&dev->lock);
+        spin_unlock(&dev->req_lock);
         dev_kfree_skb_any (skb);
 
         atomic_dec (&dev->tx_qlen);
@@ -1896,12 +1912,12 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net)
                 /* ignores USB_CDC_PACKET_TYPE_DIRECTED */
         }
 
-        spin_lock_irqsave (&dev->lock, flags);
+        spin_lock_irqsave(&dev->req_lock, flags);
         req = container_of (dev->tx_reqs.next, struct usb_request, list);
         list_del (&req->list);
         if (list_empty (&dev->tx_reqs))
                 netif_stop_queue (net);
-        spin_unlock_irqrestore (&dev->lock, flags);
+        spin_unlock_irqrestore(&dev->req_lock, flags);
 
         /* no buffer copies needed, unless the network stack did it
          * or the hardware can't use skb buffers.
@@ -1955,11 +1971,11 @@ static int eth_start_xmit (struct sk_buff *skb, struct net_device *net)
 drop:
                 dev->stats.tx_dropped++;
                 dev_kfree_skb_any (skb);
-                spin_lock_irqsave (&dev->lock, flags);
+                spin_lock_irqsave(&dev->req_lock, flags);
                 if (list_empty (&dev->tx_reqs))
                         netif_start_queue (net);
                 list_add (&req->list, &dev->tx_reqs);
-                spin_unlock_irqrestore (&dev->lock, flags);
+                spin_unlock_irqrestore(&dev->req_lock, flags);
         }
         return 0;
 }
@@ -2378,6 +2394,7 @@ autoconf_fail:
                 return status;
         dev = netdev_priv(net);
         spin_lock_init (&dev->lock);
+        spin_lock_init (&dev->req_lock);
         INIT_WORK (&dev->work, eth_work, dev);
         INIT_LIST_HEAD (&dev->tx_reqs);
         INIT_LIST_HEAD (&dev->rx_reqs);
diff --git a/drivers/usb/host/uhci-q.c b/drivers/usb/host/uhci-q.c
index 66c3f61bc9d1..431e8f31f1a9 100644
--- a/drivers/usb/host/uhci-q.c
+++ b/drivers/usb/host/uhci-q.c
@@ -372,7 +372,7 @@ static void uhci_fixup_toggles(struct uhci_qh *qh, int skip_first)
                  * need to change any toggles in this URB */
                 td = list_entry(urbp->td_list.next, struct uhci_td, list);
                 if (toggle > 1 || uhci_toggle(td_token(td)) == toggle) {
-                        td = list_entry(urbp->td_list.next, struct uhci_td,
+                        td = list_entry(urbp->td_list.prev, struct uhci_td,
                                         list);
                         toggle = uhci_toggle(td_token(td)) ^ 1;
 
@@ -1348,7 +1348,7 @@ static void uhci_scan_qh(struct uhci_hcd *uhci, struct uhci_qh *qh,
                 }
 
                 uhci_giveback_urb(uhci, qh, urb, regs);
-                if (status < 0)
+                if (status < 0 && qh->type != USB_ENDPOINT_XFER_ISOC)
                         break;
         }
 
diff --git a/drivers/usb/input/hid-core.c b/drivers/usb/input/hid-core.c
index 8ea9c915fbf9..acb24c6219d9 100644
--- a/drivers/usb/input/hid-core.c
+++ b/drivers/usb/input/hid-core.c
@@ -1411,17 +1411,54 @@ void hid_init_reports(struct hid_device *hid)
                 warn("timeout initializing reports");
 }
 
+#define USB_VENDOR_ID_GTCO              0x078c
+#define USB_DEVICE_ID_GTCO_90           0x0090
+#define USB_DEVICE_ID_GTCO_100          0x0100
+#define USB_DEVICE_ID_GTCO_101          0x0101
+#define USB_DEVICE_ID_GTCO_103          0x0103
+#define USB_DEVICE_ID_GTCO_104          0x0104
+#define USB_DEVICE_ID_GTCO_105          0x0105
+#define USB_DEVICE_ID_GTCO_106          0x0106
+#define USB_DEVICE_ID_GTCO_107          0x0107
+#define USB_DEVICE_ID_GTCO_108          0x0108
+#define USB_DEVICE_ID_GTCO_200          0x0200
+#define USB_DEVICE_ID_GTCO_201          0x0201
+#define USB_DEVICE_ID_GTCO_202          0x0202
+#define USB_DEVICE_ID_GTCO_203          0x0203
+#define USB_DEVICE_ID_GTCO_204          0x0204
+#define USB_DEVICE_ID_GTCO_205          0x0205
+#define USB_DEVICE_ID_GTCO_206          0x0206
+#define USB_DEVICE_ID_GTCO_207          0x0207
+#define USB_DEVICE_ID_GTCO_300          0x0300
+#define USB_DEVICE_ID_GTCO_301          0x0301
+#define USB_DEVICE_ID_GTCO_302          0x0302
+#define USB_DEVICE_ID_GTCO_303          0x0303
+#define USB_DEVICE_ID_GTCO_304          0x0304
+#define USB_DEVICE_ID_GTCO_305          0x0305
+#define USB_DEVICE_ID_GTCO_306          0x0306
+#define USB_DEVICE_ID_GTCO_307          0x0307
+#define USB_DEVICE_ID_GTCO_308          0x0308
+#define USB_DEVICE_ID_GTCO_309          0x0309
+#define USB_DEVICE_ID_GTCO_400          0x0400
+#define USB_DEVICE_ID_GTCO_401          0x0401
+#define USB_DEVICE_ID_GTCO_402          0x0402
+#define USB_DEVICE_ID_GTCO_403          0x0403
+#define USB_DEVICE_ID_GTCO_404          0x0404
+#define USB_DEVICE_ID_GTCO_404          0x0405
+#define USB_DEVICE_ID_GTCO_500          0x0500
+#define USB_DEVICE_ID_GTCO_501          0x0501
+#define USB_DEVICE_ID_GTCO_502          0x0502
+#define USB_DEVICE_ID_GTCO_503          0x0503
+#define USB_DEVICE_ID_GTCO_504          0x0504
+#define USB_DEVICE_ID_GTCO_1000         0x1000
+#define USB_DEVICE_ID_GTCO_1001         0x1001
+#define USB_DEVICE_ID_GTCO_1002         0x1002
+#define USB_DEVICE_ID_GTCO_1003         0x1003
+#define USB_DEVICE_ID_GTCO_1004         0x1004
+#define USB_DEVICE_ID_GTCO_1005         0x1005
+#define USB_DEVICE_ID_GTCO_1006         0x1006
+
 #define USB_VENDOR_ID_WACOM             0x056a
-#define USB_DEVICE_ID_WACOM_PENPARTNER  0x0000
-#define USB_DEVICE_ID_WACOM_GRAPHIRE    0x0010
-#define USB_DEVICE_ID_WACOM_INTUOS      0x0020
-#define USB_DEVICE_ID_WACOM_PL          0x0030
-#define USB_DEVICE_ID_WACOM_INTUOS2     0x0040
-#define USB_DEVICE_ID_WACOM_VOLITO      0x0060
-#define USB_DEVICE_ID_WACOM_PTU         0x0003
-#define USB_DEVICE_ID_WACOM_INTUOS3     0x00B0
-#define USB_DEVICE_ID_WACOM_CINTIQ      0x003F
-#define USB_DEVICE_ID_WACOM_DTF         0x00C0
 
 #define USB_VENDOR_ID_ACECAD            0x0460
 #define USB_DEVICE_ID_ACECAD_FLAIR      0x0004
@@ -1588,6 +1625,51 @@ static const struct hid_blacklist {
         { USB_VENDOR_ID_GLAB, USB_DEVICE_ID_0_8_8_IF_KIT, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_POWERMATE, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_GRIFFIN, USB_DEVICE_ID_SOUNDKNOB, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_90, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_100, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_101, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_103, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_104, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_105, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_106, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_107, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_108, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_200, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_201, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_202, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_203, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_204, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_205, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_206, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_207, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_300, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_301, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_302, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_303, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_304, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_305, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_306, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_307, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_308, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_309, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_400, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_401, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_402, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_403, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_404, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_500, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_501, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_502, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_503, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_504, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1000, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1001, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1002, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1003, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1004, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1005, HID_QUIRK_IGNORE },
+        { USB_VENDOR_ID_GTCO, USB_DEVICE_ID_GTCO_1006, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_KBGEAR, USB_DEVICE_ID_KBGEAR_JAMSTUDIO, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_CASSY, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_LD, USB_DEVICE_ID_LD_POCKETCASSY, HID_QUIRK_IGNORE },
@@ -1617,49 +1699,6 @@ static const struct hid_blacklist {
         { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_GOTEMP, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_SKIP, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_VERNIER, USB_DEVICE_ID_VERNIER_CYCLOPS, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PENPARTNER, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 1, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 2, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 3, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 4, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 1, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 2, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 3, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS + 4, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 1, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 2, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 3, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 4, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 5, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 7, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 8, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PL + 9, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 1, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 2, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 3, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 4, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 5, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS2 + 7, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 1, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 2, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 3, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_VOLITO + 4, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 5, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_GRAPHIRE + 6, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_PTU, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 1, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 2, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 3, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 4, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_INTUOS3 + 5, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_CINTIQ, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_DTF, HID_QUIRK_IGNORE },
-        { USB_VENDOR_ID_WACOM, USB_DEVICE_ID_WACOM_DTF + 3, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_4_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_WISEGROUP, USB_DEVICE_ID_1_PHIDGETSERVO_20, HID_QUIRK_IGNORE },
         { USB_VENDOR_ID_YEALINK, USB_DEVICE_ID_YEALINK_P1K_P4K_B2K, HID_QUIRK_IGNORE },
@@ -1778,6 +1817,10 @@ static struct hid_device *usb_hid_configure(struct usb_interface *intf)
         char *rdesc;
         int n, len, insize = 0;
 
+        /* Ignore all Wacom devices */
+        if (dev->descriptor.idVendor == USB_VENDOR_ID_WACOM)
+                return NULL;
+
         for (n = 0; hid_blacklist[n].idVendor; n++)
                 if ((hid_blacklist[n].idVendor == le16_to_cpu(dev->descriptor.idVendor)) &&
                         (hid_blacklist[n].idProduct == le16_to_cpu(dev->descriptor.idProduct)))
diff --git a/drivers/usb/net/pegasus.h b/drivers/usb/net/pegasus.h
index a54752ce1493..006438069b66 100644
--- a/drivers/usb/net/pegasus.h
+++ b/drivers/usb/net/pegasus.h
@@ -131,6 +131,7 @@ struct usb_eth_dev {
 #define VENDOR_COREGA           0x07aa
 #define VENDOR_DLINK            0x2001
 #define VENDOR_ELCON            0x0db7
+#define VENDOR_ELECOM           0x056e
 #define VENDOR_ELSA             0x05cc
 #define VENDOR_GIGABYTE         0x1044
 #define VENDOR_HAWKING          0x0e66
@@ -233,6 +234,8 @@ PEGASUS_DEV( "D-Link DSB-650", VENDOR_DLINK, 0xabc1,
                 DEFAULT_GPIO_RESET )
 PEGASUS_DEV( "GOLDPFEIL USB Adapter", VENDOR_ELCON, 0x0002,
                 DEFAULT_GPIO_RESET | PEGASUS_II | HAS_HOME_PNA )
+PEGASUS_DEV( "ELECOM USB Ethernet LD-USB20", VENDOR_ELECOM,  0x4010,
+                DEFAULT_GPIO_RESET  | PEGASUS_II )
 PEGASUS_DEV( "EasiDock Ethernet", VENDOR_MOBILITY, 0x0304,
                 DEFAULT_GPIO_RESET )
 PEGASUS_DEV( "Elsa Micolink USB2Ethernet", VENDOR_ELSA, 0x3000,
diff --git a/drivers/usb/net/rtl8150.c b/drivers/usb/net/rtl8150.c
index bd09232ce13c..a72685b96061 100644
--- a/drivers/usb/net/rtl8150.c
+++ b/drivers/usb/net/rtl8150.c
@@ -972,6 +972,7 @@ static void rtl8150_disconnect(struct usb_interface *intf)
         if (dev) {
                 set_bit(RTL8150_UNPLUG, &dev->flags);
                 tasklet_disable(&dev->tl);
+                tasklet_kill(&dev->tl);
                 unregister_netdev(dev->netdev);
                 unlink_all_urbs(dev);
                 free_all_urbs(dev);
diff --git a/drivers/usb/storage/unusual_devs.h b/drivers/usb/storage/unusual_devs.h
index 4a803d69fa36..b130e170b4a8 100644
--- a/drivers/usb/storage/unusual_devs.h
+++ b/drivers/usb/storage/unusual_devs.h
@@ -241,16 +241,6 @@ UNUSUAL_DEV(  0x0482, 0x0103, 0x0100, 0x0100,
                 "Finecam S5",
                 US_SC_DEVICE, US_PR_DEVICE, NULL, US_FL_FIX_INQUIRY),
 
-/* Patch for Kyocera Finecam L3
- * Submitted by Michael Krauth <michael.krauth@web.de>
- * and Alessandro Fracchetti <al.fracchetti@tin.it>
- */
-UNUSUAL_DEV(  0x0482, 0x0105, 0x0100, 0x0100,
-                "Kyocera",
-                "Finecam L3",
-                US_SC_SCSI, US_PR_BULK, NULL,
-                US_FL_FIX_INQUIRY),
-
 /* Reported by Paul Stewart <stewart@wetlogic.net>
  * This entry is needed because the device reports Sub=ff */
 UNUSUAL_DEV(  0x04a4, 0x0004, 0x0001, 0x0001,
@@ -599,6 +589,13 @@ UNUSUAL_DEV(  0x054c, 0x0099, 0x0000, 0x9999,
                 US_SC_DEVICE, US_PR_DEVICE, NULL,
                 US_FL_FIX_INQUIRY ),
 
+/* floppy reports multiple luns */
+UNUSUAL_DEV(  0x055d, 0x2020, 0x0000, 0x0210,
+               "SAMSUNG",
+               "SFD-321U [FW 0C]",
+               US_SC_DEVICE, US_PR_DEVICE, NULL,
+               US_FL_SINGLE_LUN ),
+
                 
 UNUSUAL_DEV(  0x057b, 0x0000, 0x0000, 0x0299, 
                 "Y-E Data",
@@ -1257,6 +1254,13 @@ UNUSUAL_DEV(  0x0fce, 0xd008, 0x0000, 0x0000,
                 US_SC_DEVICE, US_PR_DEVICE, NULL,
                 US_FL_NO_WP_DETECT ),
 
+/* Reported by Emmanuel Vasilakis <evas@forthnet.gr> */
+UNUSUAL_DEV(  0x0fce, 0xe031, 0x0000, 0x0000,
+                "Sony Ericsson",
+                "M600i",
+                US_SC_DEVICE, US_PR_DEVICE, NULL,
+                US_FL_FIX_CAPACITY ),
+
 /* Reported by Kevin Cernekee <kpc-usbdev@gelato.uiuc.edu>
  * Tested on hardware version 1.10.
  * Entry is needed only for the initializer function override.
diff --git a/drivers/video/aty/aty128fb.c b/drivers/video/aty/aty128fb.c
index 3e827e04a2aa..276a21530b95 100644
--- a/drivers/video/aty/aty128fb.c
+++ b/drivers/video/aty/aty128fb.c
@@ -1801,10 +1801,14 @@ static struct backlight_properties aty128_bl_data = {
 static void aty128_bl_set_power(struct fb_info *info, int power)
 {
         mutex_lock(&info->bl_mutex);
-        up(&info->bl_dev->sem);
-        info->bl_dev->props->power = power;
-        __aty128_bl_update_status(info->bl_dev);
-        down(&info->bl_dev->sem);
+
+        if (info->bl_dev) {
+                down(&info->bl_dev->sem);
+                info->bl_dev->props->power = power;
+                __aty128_bl_update_status(info->bl_dev);
+                up(&info->bl_dev->sem);
+        }
+
         mutex_unlock(&info->bl_mutex);
 }
 
@@ -1828,7 +1832,7 @@ static void aty128_bl_init(struct aty128fb_par *par)
         bd = backlight_device_register(name, par, &aty128_bl_data);
         if (IS_ERR(bd)) {
                 info->bl_dev = NULL;
-                printk("aty128: Backlight registration failed\n");
+                printk(KERN_WARNING "aty128: Backlight registration failed\n");
                 goto error;
         }
 
@@ -1839,11 +1843,11 @@ static void aty128_bl_init(struct aty128fb_par *par)
                 219 * FB_BACKLIGHT_MAX / MAX_LEVEL);
         mutex_unlock(&info->bl_mutex);
 
-        up(&bd->sem);
+        down(&bd->sem);
         bd->props->brightness = aty128_bl_data.max_brightness;
         bd->props->power = FB_BLANK_UNBLANK;
         bd->props->update_status(bd);
-        down(&bd->sem);
+        up(&bd->sem);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
         mutex_lock(&pmac_backlight_mutex);
diff --git a/drivers/video/aty/atyfb_base.c b/drivers/video/aty/atyfb_base.c
index 053ff63365b7..19a71f045784 100644
--- a/drivers/video/aty/atyfb_base.c
+++ b/drivers/video/aty/atyfb_base.c
@@ -2200,10 +2200,14 @@ static struct backlight_properties aty_bl_data = {
 static void aty_bl_set_power(struct fb_info *info, int power)
 {
         mutex_lock(&info->bl_mutex);
-        up(&info->bl_dev->sem);
-        info->bl_dev->props->power = power;
-        __aty_bl_update_status(info->bl_dev);
-        down(&info->bl_dev->sem);
+
+        if (info->bl_dev) {
+                down(&info->bl_dev->sem);
+                info->bl_dev->props->power = power;
+                __aty_bl_update_status(info->bl_dev);
+                up(&info->bl_dev->sem);
+        }
+
         mutex_unlock(&info->bl_mutex);
 }
 
@@ -2223,7 +2227,7 @@ static void aty_bl_init(struct atyfb_par *par)
         bd = backlight_device_register(name, par, &aty_bl_data);
         if (IS_ERR(bd)) {
                 info->bl_dev = NULL;
-                printk("aty: Backlight registration failed\n");
+                printk(KERN_WARNING "aty: Backlight registration failed\n");
                 goto error;
         }
 
@@ -2234,11 +2238,11 @@ static void aty_bl_init(struct atyfb_par *par)
                 0xFF * FB_BACKLIGHT_MAX / MAX_LEVEL);
         mutex_unlock(&info->bl_mutex);
 
-        up(&bd->sem);
+        down(&bd->sem);
         bd->props->brightness = aty_bl_data.max_brightness;
         bd->props->power = FB_BLANK_UNBLANK;
         bd->props->update_status(bd);
-        down(&bd->sem);
+        up(&bd->sem);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
         mutex_lock(&pmac_backlight_mutex);
diff --git a/drivers/video/aty/radeon_backlight.c b/drivers/video/aty/radeon_backlight.c
index 1755dddf1899..585eb7b9e636 100644
--- a/drivers/video/aty/radeon_backlight.c
+++ b/drivers/video/aty/radeon_backlight.c
@@ -195,11 +195,11 @@ void radeonfb_bl_init(struct radeonfb_info *rinfo)
                 217 * FB_BACKLIGHT_MAX / MAX_RADEON_LEVEL);
         mutex_unlock(&rinfo->info->bl_mutex);
 
-        up(&bd->sem);
+        down(&bd->sem);
         bd->props->brightness = radeon_bl_data.max_brightness;
         bd->props->power = FB_BLANK_UNBLANK;
         bd->props->update_status(bd);
-        down(&bd->sem);
+        up(&bd->sem);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
         mutex_lock(&pmac_backlight_mutex);
diff --git a/drivers/video/nvidia/nv_backlight.c b/drivers/video/nvidia/nv_backlight.c
index b45f577094ac..5b75ae4e9457 100644
--- a/drivers/video/nvidia/nv_backlight.c
+++ b/drivers/video/nvidia/nv_backlight.c
@@ -113,10 +113,14 @@ static struct backlight_properties nvidia_bl_data = {
 void nvidia_bl_set_power(struct fb_info *info, int power)
 {
         mutex_lock(&info->bl_mutex);
-        up(&info->bl_dev->sem);
-        info->bl_dev->props->power = power;
-        __nvidia_bl_update_status(info->bl_dev);
-        down(&info->bl_dev->sem);
+
+        if (info->bl_dev) {
+                down(&info->bl_dev->sem);
+                info->bl_dev->props->power = power;
+                __nvidia_bl_update_status(info->bl_dev);
+                up(&info->bl_dev->sem);
+        }
+
         mutex_unlock(&info->bl_mutex);
 }
 
@@ -140,7 +144,7 @@ void nvidia_bl_init(struct nvidia_par *par)
         bd = backlight_device_register(name, par, &nvidia_bl_data);
         if (IS_ERR(bd)) {
                 info->bl_dev = NULL;
-                printk("nvidia: Backlight registration failed\n");
+                printk(KERN_WARNING "nvidia: Backlight registration failed\n");
                 goto error;
         }
 
@@ -151,11 +155,11 @@ void nvidia_bl_init(struct nvidia_par *par)
                 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
         mutex_unlock(&info->bl_mutex);
 
-        up(&bd->sem);
+        down(&bd->sem);
         bd->props->brightness = nvidia_bl_data.max_brightness;
         bd->props->power = FB_BLANK_UNBLANK;
         bd->props->update_status(bd);
-        down(&bd->sem);
+        up(&bd->sem);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
         mutex_lock(&pmac_backlight_mutex);
diff --git a/drivers/video/riva/fbdev.c b/drivers/video/riva/fbdev.c
index 76fc9d355eb7..8ddb47a56b07 100644
--- a/drivers/video/riva/fbdev.c
+++ b/drivers/video/riva/fbdev.c
@@ -355,10 +355,14 @@ static struct backlight_properties riva_bl_data = {
 static void riva_bl_set_power(struct fb_info *info, int power)
 {
         mutex_lock(&info->bl_mutex);
-        up(&info->bl_dev->sem);
-        info->bl_dev->props->power = power;
-        __riva_bl_update_status(info->bl_dev);
-        down(&info->bl_dev->sem);
+
+        if (info->bl_dev) {
+                down(&info->bl_dev->sem);
+                info->bl_dev->props->power = power;
+                __riva_bl_update_status(info->bl_dev);
+                up(&info->bl_dev->sem);
+        }
+
         mutex_unlock(&info->bl_mutex);
 }
 
@@ -382,7 +386,7 @@ static void riva_bl_init(struct riva_par *par)
         bd = backlight_device_register(name, par, &riva_bl_data);
         if (IS_ERR(bd)) {
                 info->bl_dev = NULL;
-                printk("riva: Backlight registration failed\n");
+                printk(KERN_WARNING "riva: Backlight registration failed\n");
                 goto error;
         }
 
@@ -393,11 +397,11 @@ static void riva_bl_init(struct riva_par *par)
                 0x534 * FB_BACKLIGHT_MAX / MAX_LEVEL);
         mutex_unlock(&info->bl_mutex);
 
-        up(&bd->sem);
+        down(&bd->sem);
         bd->props->brightness = riva_bl_data.max_brightness;
         bd->props->power = FB_BLANK_UNBLANK;
         bd->props->update_status(bd);
-        down(&bd->sem);
+        up(&bd->sem);
 
 #ifdef CONFIG_PMAC_BACKLIGHT
         mutex_lock(&pmac_backlight_mutex);
diff --git a/fs/jbd/transaction.c b/fs/jbd/transaction.c
index de2e4cbbf79a..f5169a96260e 100644
--- a/fs/jbd/transaction.c
+++ b/fs/jbd/transaction.c
@@ -727,7 +727,7 @@ done:
 
 out:
         if (unlikely(frozen_buffer))    /* It's usually NULL */
-                kfree(frozen_buffer);
+                jbd_slab_free(frozen_buffer, bh->b_size);
 
         JBUFFER_TRACE(jh, "exit");
         return error;
diff --git a/fs/xfs/xfs_bmap.c b/fs/xfs/xfs_bmap.c
index 3a6137539064..bf46fae303af 100644
--- a/fs/xfs/xfs_bmap.c
+++ b/fs/xfs/xfs_bmap.c
@@ -4993,7 +4993,7 @@ xfs_bmapi(
                                 bma.firstblock = *firstblock;
                                 bma.alen = alen;
                                 bma.off = aoff;
-                                bma.conv = (flags & XFS_BMAPI_CONVERT);
+                                bma.conv = !!(flags & XFS_BMAPI_CONVERT);
                                 bma.wasdel = wasdelay;
                                 bma.minlen = minlen;
                                 bma.low = flist->xbf_low;
diff --git a/include/asm-i386/alternative.h b/include/asm-i386/alternative.h
index 96adbabec740..b01a7ec409ce 100644
--- a/include/asm-i386/alternative.h
+++ b/include/asm-i386/alternative.h
@@ -88,9 +88,6 @@ static inline void alternatives_smp_switch(int smp) {}
 /*
  * Alternative inline assembly for SMP.
  *
- * alternative_smp() takes two versions (SMP first, UP second) and is
- * for more complex stuff such as spinlocks.
- *
  * The LOCK_PREFIX macro defined here replaces the LOCK and
  * LOCK_PREFIX macros used everywhere in the source tree.
  *
@@ -110,21 +107,6 @@ static inline void alternatives_smp_switch(int smp) {}
  */
 
 #ifdef CONFIG_SMP
-#define alternative_smp(smpinstr, upinstr, args...)                     \
-        asm volatile ("661:\n\t" smpinstr "\n662:\n"                    \
-                      ".section .smp_altinstructions,\"a\"\n"           \
-                      "  .align 4\n"                                    \
-                      "  .long 661b\n"            /* label */           \
-                      "  .long 663f\n"            /* new instruction */ \
-                      "  .byte 0x68\n"            /* X86_FEATURE_UP */  \
-                      "  .byte 662b-661b\n"       /* sourcelen */       \
-                      "  .byte 664f-663f\n"       /* replacementlen */  \
-                      ".previous\n"                                     \
-                      ".section .smp_altinstr_replacement,\"awx\"\n"    \
-                      "663:\n\t" upinstr "\n"     /* replacement */     \
-                      "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \
-                      ".previous" : args)
-
 #define LOCK_PREFIX \
                 ".section .smp_locks,\"a\"\n"   \
                 "  .align 4\n"                  \
@@ -133,8 +115,6 @@ static inline void alternatives_smp_switch(int smp) {}
                 "661:\n\tlock; "
 
 #else /* ! CONFIG_SMP */
-#define alternative_smp(smpinstr, upinstr, args...) \
-        asm volatile (upinstr : args)
 #define LOCK_PREFIX ""
 #endif
 
diff --git a/include/asm-i386/mach-default/mach_mpspec.h b/include/asm-i386/mach-default/mach_mpspec.h
index 6b5dadcf1d0e..51c9a9775932 100644
--- a/include/asm-i386/mach-default/mach_mpspec.h
+++ b/include/asm-i386/mach-default/mach_mpspec.h
@@ -3,6 +3,10 @@
 
 #define MAX_IRQ_SOURCES 256
 
+#if CONFIG_BASE_SMALL == 0
+#define MAX_MP_BUSSES 256
+#else
 #define MAX_MP_BUSSES 32
+#endif
 
 #endif /* __ASM_MACH_MPSPEC_H */
diff --git a/include/asm-i386/rwlock.h b/include/asm-i386/rwlock.h
index 96b0bef2ea56..87c069ccba08 100644
--- a/include/asm-i386/rwlock.h
+++ b/include/asm-i386/rwlock.h
@@ -21,23 +21,21 @@
 #define RW_LOCK_BIAS_STR        "0x01000000"
 
 #define __build_read_lock_ptr(rw, helper)   \
-        alternative_smp("lock; subl $1,(%0)\n\t" \
+        asm volatile(LOCK_PREFIX " subl $1,(%0)\n\t" \
                         "jns 1f\n" \
                         "call " helper "\n\t" \
-                        "1:\n", \
-                        "subl $1,(%0)\n\t", \
-                        :"a" (rw) : "memory")
+                        "1:\n" \
+                        ::"a" (rw) : "memory")
 
 #define __build_read_lock_const(rw, helper)   \
-        alternative_smp("lock; subl $1,%0\n\t" \
+        asm volatile(LOCK_PREFIX " subl $1,%0\n\t" \
                         "jns 1f\n" \
                         "pushl %%eax\n\t" \
                         "leal %0,%%eax\n\t" \
                         "call " helper "\n\t" \
                         "popl %%eax\n\t" \
-                        "1:\n", \
-                        "subl $1,%0\n\t", \
-                        "+m" (*(volatile int *)rw) : : "memory")
+                        "1:\n" \
+                        :"+m" (*(volatile int *)rw) : : "memory")
 
 #define __build_read_lock(rw, helper)   do { \
                                                 if (__builtin_constant_p(rw)) \
@@ -47,23 +45,21 @@
                                         } while (0)
 
 #define __build_write_lock_ptr(rw, helper) \
-        alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
+        asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",(%0)\n\t" \
                         "jz 1f\n" \
                         "call " helper "\n\t" \
-                        "1:\n", \
-                        "subl $" RW_LOCK_BIAS_STR ",(%0)\n\t", \
-                        :"a" (rw) : "memory")
+                        "1:\n" \
+                        ::"a" (rw) : "memory")
 
 #define __build_write_lock_const(rw, helper) \
-        alternative_smp("lock; subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
+        asm volatile(LOCK_PREFIX " subl $" RW_LOCK_BIAS_STR ",%0\n\t" \
                         "jz 1f\n" \
                         "pushl %%eax\n\t" \
                         "leal %0,%%eax\n\t" \
                         "call " helper "\n\t" \
                         "popl %%eax\n\t" \
-                        "1:\n", \
-                        "subl $" RW_LOCK_BIAS_STR ",%0\n\t", \
-                        "+m" (*(volatile int *)rw) : : "memory")
+                        "1:\n" \
+                        :"+m" (*(volatile int *)rw) : : "memory")
 
 #define __build_write_lock(rw, helper)  do { \
                                                 if (__builtin_constant_p(rw)) \
diff --git a/include/asm-i386/spinlock.h b/include/asm-i386/spinlock.h
index d816c62a7a1d..d1020363c41a 100644
--- a/include/asm-i386/spinlock.h
+++ b/include/asm-i386/spinlock.h
@@ -22,7 +22,7 @@
 
 #define __raw_spin_lock_string \
         "\n1:\t" \
-        "lock ; decb %0\n\t" \
+        LOCK_PREFIX " ; decb %0\n\t" \
         "jns 3f\n" \
         "2:\t" \
         "rep;nop\n\t" \
@@ -38,7 +38,7 @@
  */
 #define __raw_spin_lock_string_flags \
         "\n1:\t" \
-        "lock ; decb %0\n\t" \
+        LOCK_PREFIX " ; decb %0\n\t" \
         "jns 5f\n" \
         "2:\t" \
         "testl $0x200, %1\n\t" \
@@ -57,15 +57,9 @@
         "jmp 4b\n" \
         "5:\n\t"
 
-#define __raw_spin_lock_string_up \
-        "\n\tdecb %0"
-
 static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
-        alternative_smp(
-                __raw_spin_lock_string,
-                __raw_spin_lock_string_up,
-                "+m" (lock->slock) : : "memory");
+        asm(__raw_spin_lock_string : "+m" (lock->slock) : : "memory");
 }
 
 /*
@@ -76,10 +70,7 @@ static inline void __raw_spin_lock(raw_spinlock_t *lock)
 #ifndef CONFIG_PROVE_LOCKING
 static inline void __raw_spin_lock_flags(raw_spinlock_t *lock, unsigned long flags)
 {
-        alternative_smp(
-                __raw_spin_lock_string_flags,
-                __raw_spin_lock_string_up,
-                "+m" (lock->slock) : "r" (flags) : "memory");
+        asm(__raw_spin_lock_string_flags : "+m" (lock->slock) : "r" (flags) : "memory");
 }
 #endif
 
diff --git a/include/asm-i386/unistd.h b/include/asm-i386/unistd.h
index fc1c8ddae149..d983b74e4d9f 100644
--- a/include/asm-i386/unistd.h
+++ b/include/asm-i386/unistd.h
@@ -324,8 +324,6 @@
 #define __NR_vmsplice           316
 #define __NR_move_pages         317
 
-#ifdef __KERNEL__
-
 #define NR_syscalls 318
 
 /*
@@ -425,6 +423,8 @@ __asm__ volatile ("push %%ebp ; push %%ebx ; movl 4(%2),%%ebp ; " \
 __syscall_return(type,__res); \
 }
 
+#ifdef __KERNEL__
+
 #define __ARCH_WANT_IPC_PARSE_VERSION
 #define __ARCH_WANT_OLD_READDIR
 #define __ARCH_WANT_OLD_STAT
diff --git a/include/asm-i386/unwind.h b/include/asm-i386/unwind.h
index 69f0f1df6722..4c1a0b968569 100644
--- a/include/asm-i386/unwind.h
+++ b/include/asm-i386/unwind.h
@@ -87,6 +87,7 @@ static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
 #else
 
 #define UNW_PC(frame) ((void)(frame), 0)
+#define UNW_SP(frame) ((void)(frame), 0)
 
 static inline int arch_unw_user_mode(const void *info)
 {
diff --git a/include/asm-ia64/sn/sn_sal.h b/include/asm-ia64/sn/sn_sal.h
index bd4452bda357..ba826b3f75bb 100644
--- a/include/asm-ia64/sn/sn_sal.h
+++ b/include/asm-ia64/sn/sn_sal.h
@@ -706,12 +706,9 @@ static inline int
 sn_change_memprotect(u64 paddr, u64 len, u64 perms, u64 *nasid_array)
 {
         struct ia64_sal_retval ret_stuff;
-        unsigned long irq_flags;
 
-        local_irq_save(irq_flags);
         ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_MEMPROTECT, paddr, len,
                                 (u64)nasid_array, perms, 0, 0, 0);
-        local_irq_restore(irq_flags);
         return ret_stuff.status;
 }
 #define SN_MEMPROT_ACCESS_CLASS_0               0x14a080
@@ -1143,12 +1140,9 @@ static inline int
 sn_inject_error(u64 paddr, u64 *data, u64 *ecc)
 {
         struct ia64_sal_retval ret_stuff;
-        unsigned long irq_flags;
 
-        local_irq_save(irq_flags);
         ia64_sal_oemcall_nolock(&ret_stuff, SN_SAL_INJECT_ERROR, paddr, (u64)data,
                                 (u64)ecc, 0, 0, 0, 0);
-        local_irq_restore(irq_flags);
         return ret_stuff.status;
 }
 
diff --git a/include/asm-ia64/sn/xp.h b/include/asm-ia64/sn/xp.h
index 9bd2f9bf329b..6f807e0193b7 100644
--- a/include/asm-ia64/sn/xp.h
+++ b/include/asm-ia64/sn/xp.h
@@ -60,23 +60,37 @@
  * the bte_copy() once in the hope that the failure was due to a temporary
  * aberration (i.e., the link going down temporarily).
  *
- * See bte_copy for definition of the input parameters.
+ *      src - physical address of the source of the transfer.
+ *      vdst - virtual address of the destination of the transfer.
+ *      len - number of bytes to transfer from source to destination.
+ *      mode - see bte_copy() for definition.
+ *      notification - see bte_copy() for definition.
  *
  * Note: xp_bte_copy() should never be called while holding a spinlock.
  */
 static inline bte_result_t
-xp_bte_copy(u64 src, u64 dest, u64 len, u64 mode, void *notification)
+xp_bte_copy(u64 src, u64 vdst, u64 len, u64 mode, void *notification)
 {
         bte_result_t ret;
+        u64 pdst = ia64_tpa(vdst);
 
 
-        ret = bte_copy(src, dest, len, mode, notification);
+        /*
+         * Ensure that the physically mapped memory is contiguous.
+         *
+         * We do this by ensuring that the memory is from region 7 only.
+         * If the need should arise to use memory from one of the other
+         * regions, then modify the BUG_ON() statement to ensure that the
+         * memory from that region is always physically contiguous.
+         */
+        BUG_ON(REGION_NUMBER(vdst) != RGN_KERNEL);
 
+        ret = bte_copy(src, pdst, len, mode, notification);
         if (ret != BTE_SUCCESS) {
                 if (!in_interrupt()) {
                         cond_resched();
                 }
-                ret = bte_copy(src, dest, len, mode, notification);
+                ret = bte_copy(src, pdst, len, mode, notification);
         }
 
         return ret;
diff --git a/include/asm-ia64/sn/xpc.h b/include/asm-ia64/sn/xpc.h
index b72af597878d..35e1386f37ab 100644
--- a/include/asm-ia64/sn/xpc.h
+++ b/include/asm-ia64/sn/xpc.h
@@ -683,7 +683,9 @@ extern struct xpc_vars *xpc_vars;
 extern struct xpc_rsvd_page *xpc_rsvd_page;
 extern struct xpc_vars_part *xpc_vars_part;
 extern struct xpc_partition xpc_partitions[XP_MAX_PARTITIONS + 1];
-extern char xpc_remote_copy_buffer[];
+extern char *xpc_remote_copy_buffer;
+extern void *xpc_remote_copy_buffer_base;
+extern void *xpc_kmalloc_cacheline_aligned(size_t, gfp_t, void **);
 extern struct xpc_rsvd_page *xpc_rsvd_page_init(void);
 extern void xpc_allow_IPI_ops(void);
 extern void xpc_restrict_IPI_ops(void);
diff --git a/include/asm-powerpc/io.h b/include/asm-powerpc/io.h
index a9496f34b048..36c4c34bf565 100644
--- a/include/asm-powerpc/io.h
+++ b/include/asm-powerpc/io.h
@@ -72,6 +72,9 @@ extern unsigned long pci_io_base;
  * Neither do the standard versions now, these are just here
  * for older code.
  */
+#define insb(port, buf, ns)     _insb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
+#define insw(port, buf, ns)     _insw_ns((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
+#define insl(port, buf, nl)     _insl_ns((u8 __iomem *)((port)+pci_io_base), (buf), (nl))
 #define insw_ns(port, buf, ns)  _insw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
 #define insl_ns(port, buf, nl)  _insl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
 #else
@@ -137,12 +140,12 @@ static inline void __raw_writeq(unsigned long v, volatile void __iomem *addr)
 #define insw_ns(port, buf, ns)  eeh_insw_ns((port), (buf), (ns))
 #define insl_ns(port, buf, nl)  eeh_insl_ns((port), (buf), (nl))
 
+#endif
+
 #define outsb(port, buf, ns)  _outsb((u8 __iomem *)((port)+pci_io_base), (buf), (ns))
 #define outsw(port, buf, ns)  _outsw_ns((u16 __iomem *)((port)+pci_io_base), (buf), (ns))
 #define outsl(port, buf, nl)  _outsl_ns((u32 __iomem *)((port)+pci_io_base), (buf), (nl))
 
-#endif
-
 #define readb_relaxed(addr) readb(addr)
 #define readw_relaxed(addr) readw(addr)
 #define readl_relaxed(addr) readl(addr)
diff --git a/include/asm-powerpc/ipic.h b/include/asm-powerpc/ipic.h
index 0fe396a2b666..53079ec3a515 100644
--- a/include/asm-powerpc/ipic.h
+++ b/include/asm-powerpc/ipic.h
@@ -69,9 +69,6 @@ enum ipic_mcp_irq {
         IPIC_MCP_MU   = 7,
 };
 
-extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
-                unsigned int irq_offset,
-                unsigned char *senses, unsigned int senses_count);
 extern int ipic_set_priority(unsigned int irq, unsigned int priority);
 extern void ipic_set_highest_priority(unsigned int irq);
 extern void ipic_set_default_priority(void);
@@ -79,7 +76,16 @@ extern void ipic_enable_mcp(enum ipic_mcp_irq mcp_irq);
 extern void ipic_disable_mcp(enum ipic_mcp_irq mcp_irq);
 extern u32 ipic_get_mcp_status(void);
 extern void ipic_clear_mcp_status(u32 mask);
+
+#ifdef CONFIG_PPC_MERGE
+extern void ipic_init(struct device_node *node, unsigned int flags);
+extern unsigned int ipic_get_irq(struct pt_regs *regs);
+#else
+extern void ipic_init(phys_addr_t phys_addr, unsigned int flags,
+                unsigned int irq_offset,
+                unsigned char *senses, unsigned int senses_count);
 extern int ipic_get_irq(struct pt_regs *regs);
+#endif
 
 #endif /* __ASM_IPIC_H__ */
 #endif /* __KERNEL__ */
diff --git a/include/asm-powerpc/mpc86xx.h b/include/asm-powerpc/mpc86xx.h
index f260382739fa..b85df45b1a84 100644
--- a/include/asm-powerpc/mpc86xx.h
+++ b/include/asm-powerpc/mpc86xx.h
@@ -23,8 +23,6 @@
 #define _ISA_MEM_BASE   isa_mem_base
 #ifdef CONFIG_PCI
 #define PCI_DRAM_OFFSET pci_dram_offset
-#else
-#define PCI_DRAM_OFFSET 0
 #endif
 
 #define CPU0_BOOT_RELEASE 0x01000000
@@ -33,7 +31,6 @@
 #define MCM_PORT_CONFIG_OFFSET 0x1010
 
 /* Offset from CCSRBAR */
-#define MPC86xx_OPENPIC_OFFSET  (0x40000)
 #define MPC86xx_MCM_OFFSET      (0x00000)
 #define MPC86xx_MCM_SIZE        (0x02000)
 
diff --git a/include/asm-powerpc/mpic.h b/include/asm-powerpc/mpic.h
index eb241c99c457..a9f9604b9eff 100644
--- a/include/asm-powerpc/mpic.h
+++ b/include/asm-powerpc/mpic.h
@@ -41,6 +41,7 @@
 #define MPIC_GREG_IPI_VECTOR_PRI_1      0x000b0
 #define MPIC_GREG_IPI_VECTOR_PRI_2      0x000c0
 #define MPIC_GREG_IPI_VECTOR_PRI_3      0x000d0
+#define MPIC_GREG_IPI_STRIDE            0x10
 #define MPIC_GREG_SPURIOUS              0x000e0
 #define MPIC_GREG_TIMER_FREQ            0x000f0
 
@@ -68,6 +69,7 @@
 #define MPIC_CPU_IPI_DISPATCH_1         0x00050
 #define MPIC_CPU_IPI_DISPATCH_2         0x00060
 #define MPIC_CPU_IPI_DISPATCH_3         0x00070
+#define MPIC_CPU_IPI_DISPATCH_STRIDE    0x00010
 #define MPIC_CPU_CURRENT_TASK_PRI       0x00080
 #define         MPIC_CPU_TASKPRI_MASK                   0x0000000f
 #define MPIC_CPU_WHOAMI                 0x00090
@@ -114,6 +116,103 @@
 #define MPIC_VEC_TIMER_1        248
 #define MPIC_VEC_TIMER_0        247
 
+/*
+ * Tsi108 implementation of MPIC has many differences from the original one
+ */
+
+/*
+ * Global registers
+ */
+
+#define TSI108_GREG_BASE                0x00000
+#define TSI108_GREG_FEATURE_0           0x00000
+#define TSI108_GREG_GLOBAL_CONF_0       0x00004
+#define TSI108_GREG_VENDOR_ID           0x0000c
+#define TSI108_GREG_IPI_VECTOR_PRI_0    0x00204         /* Doorbell 0 */
+#define TSI108_GREG_IPI_STRIDE          0x0c
+#define TSI108_GREG_SPURIOUS            0x00010
+#define TSI108_GREG_TIMER_FREQ          0x00014
+
+/*
+ * Timer registers
+ */
+#define TSI108_TIMER_BASE               0x0030
+#define TSI108_TIMER_STRIDE             0x10
+#define TSI108_TIMER_CURRENT_CNT        0x00000
+#define TSI108_TIMER_BASE_CNT           0x00004
+#define TSI108_TIMER_VECTOR_PRI         0x00008
+#define TSI108_TIMER_DESTINATION        0x0000c
+
+/*
+ * Per-Processor registers
+ */
+#define TSI108_CPU_BASE                 0x00300
+#define TSI108_CPU_STRIDE               0x00040
+#define TSI108_CPU_IPI_DISPATCH_0       0x00200
+#define TSI108_CPU_IPI_DISPATCH_STRIDE  0x00000
+#define TSI108_CPU_CURRENT_TASK_PRI     0x00000
+#define TSI108_CPU_WHOAMI               0xffffffff
+#define TSI108_CPU_INTACK               0x00004
+#define TSI108_CPU_EOI                  0x00008
+
+/*
+ * Per-source registers
+ */
+#define TSI108_IRQ_BASE                 0x00100
+#define TSI108_IRQ_STRIDE               0x00008
+#define TSI108_IRQ_VECTOR_PRI           0x00000
+#define TSI108_VECPRI_VECTOR_MASK       0x000000ff
+#define TSI108_VECPRI_POLARITY_POSITIVE 0x01000000
+#define TSI108_VECPRI_POLARITY_NEGATIVE 0x00000000
+#define TSI108_VECPRI_SENSE_LEVEL       0x02000000
+#define TSI108_VECPRI_SENSE_EDGE        0x00000000
+#define TSI108_VECPRI_POLARITY_MASK     0x01000000
+#define TSI108_VECPRI_SENSE_MASK        0x02000000
+#define TSI108_IRQ_DESTINATION          0x00004
+
+/* weird mpic register indices and mask bits in the HW info array */
+enum {
+        MPIC_IDX_GREG_BASE = 0,
+        MPIC_IDX_GREG_FEATURE_0,
+        MPIC_IDX_GREG_GLOBAL_CONF_0,
+        MPIC_IDX_GREG_VENDOR_ID,
+        MPIC_IDX_GREG_IPI_VECTOR_PRI_0,
+        MPIC_IDX_GREG_IPI_STRIDE,
+        MPIC_IDX_GREG_SPURIOUS,
+        MPIC_IDX_GREG_TIMER_FREQ,
+
+        MPIC_IDX_TIMER_BASE,
+        MPIC_IDX_TIMER_STRIDE,
+        MPIC_IDX_TIMER_CURRENT_CNT,
+        MPIC_IDX_TIMER_BASE_CNT,
+        MPIC_IDX_TIMER_VECTOR_PRI,
+        MPIC_IDX_TIMER_DESTINATION,
+
+        MPIC_IDX_CPU_BASE,
+        MPIC_IDX_CPU_STRIDE,
+        MPIC_IDX_CPU_IPI_DISPATCH_0,
+        MPIC_IDX_CPU_IPI_DISPATCH_STRIDE,
+        MPIC_IDX_CPU_CURRENT_TASK_PRI,
+        MPIC_IDX_CPU_WHOAMI,
+        MPIC_IDX_CPU_INTACK,
+        MPIC_IDX_CPU_EOI,
+
+        MPIC_IDX_IRQ_BASE,
+        MPIC_IDX_IRQ_STRIDE,
+        MPIC_IDX_IRQ_VECTOR_PRI,
+
+        MPIC_IDX_VECPRI_VECTOR_MASK,
+        MPIC_IDX_VECPRI_POLARITY_POSITIVE,
+        MPIC_IDX_VECPRI_POLARITY_NEGATIVE,
+        MPIC_IDX_VECPRI_SENSE_LEVEL,
+        MPIC_IDX_VECPRI_SENSE_EDGE,
+        MPIC_IDX_VECPRI_POLARITY_MASK,
+        MPIC_IDX_VECPRI_SENSE_MASK,
+        MPIC_IDX_IRQ_DESTINATION,
+        MPIC_IDX_END
+};
+
+
 #ifdef CONFIG_MPIC_BROKEN_U3
 /* Fixup table entry */
 struct mpic_irq_fixup
@@ -171,15 +270,29 @@ struct mpic
         volatile u32 __iomem    *cpuregs[MPIC_MAX_CPUS];
         volatile u32 __iomem    *isus[MPIC_MAX_ISU];
 
+#ifdef CONFIG_MPIC_WEIRD
+        /* Pointer to HW info array */
+        u32                     *hw_set;
+#endif
+
         /* link */
         struct mpic             *next;
 };
 
+/*
+ * MPIC flags (passed to mpic_alloc)
+ *
+ * The top 4 bits contain an MPIC bhw id that is used to index the
+ * register offsets and some masks when CONFIG_MPIC_WEIRD is set.
+ * Note setting any ID (leaving those bits to 0) means standard MPIC
+ */
+
 /* This is the primary controller, only that one has IPIs and
  * has afinity control. A non-primary MPIC always uses CPU0
  * registers only
  */
 #define MPIC_PRIMARY                    0x00000001
+
 /* Set this for a big-endian MPIC */
 #define MPIC_BIG_ENDIAN                 0x00000002
 /* Broken U3 MPIC */
@@ -188,6 +301,18 @@ struct mpic
 #define MPIC_BROKEN_IPI                 0x00000008
 /* MPIC wants a reset */
 #define MPIC_WANTS_RESET                0x00000010
+/* Spurious vector requires EOI */
+#define MPIC_SPV_EOI                    0x00000020
+/* No passthrough disable */
+#define MPIC_NO_PTHROU_DIS              0x00000040
+
+/* MPIC HW modification ID */
+#define MPIC_REGSET_MASK                0xf0000000
+#define MPIC_REGSET(val)                (((val) & 0xf ) << 28)
+#define MPIC_GET_REGSET(flags)          (((flags) >> 28) & 0xf)
+
+#define MPIC_REGSET_STANDARD            MPIC_REGSET(0)  /* Original MPIC */
+#define MPIC_REGSET_TSI108              MPIC_REGSET(1)  /* Tsi108/109 PIC */
 
 /* Allocate the controller structure and setup the linux irq descs
  * for the range if interrupts passed in. No HW initialization is
diff --git a/include/asm-powerpc/prom.h b/include/asm-powerpc/prom.h
index b095a285c84b..d0fa1b9aed35 100644
--- a/include/asm-powerpc/prom.h
+++ b/include/asm-powerpc/prom.h
@@ -276,6 +276,7 @@ extern void of_irq_map_init(unsigned int flags);
  * of_irq_map_raw - Low level interrupt tree parsing
  * @parent:     the device interrupt parent
  * @intspec:    interrupt specifier ("interrupts" property of the device)
+ * @ointsize:   size of the passed in interrupt specifier
  * @addr:       address specifier (start of "reg" property of the device)
  * @out_irq:    structure of_irq filled by this function
  *
@@ -288,7 +289,8 @@ extern void of_irq_map_init(unsigned int flags);
  *
  */
 
-extern int of_irq_map_raw(struct device_node *parent, u32 *intspec, u32 *addr,
+extern int of_irq_map_raw(struct device_node *parent, u32 *intspec,
+                          u32 ointsize, u32 *addr,
                           struct of_irq *out_irq);
 
 
diff --git a/include/asm-powerpc/time.h b/include/asm-powerpc/time.h
index dcde4410348d..5785ac4737b5 100644
--- a/include/asm-powerpc/time.h
+++ b/include/asm-powerpc/time.h
@@ -30,10 +30,6 @@ extern unsigned long tb_ticks_per_usec;
 extern unsigned long tb_ticks_per_sec;
 extern u64 tb_to_xs;
 extern unsigned      tb_to_us;
-extern unsigned long tb_last_stamp;
-extern u64 tb_last_jiffy;
-
-DECLARE_PER_CPU(unsigned long, last_jiffy);
 
 struct rtc_time;
 extern void to_tm(int tim, struct rtc_time * tm);
diff --git a/include/asm-x86_64/alternative.h b/include/asm-x86_64/alternative.h
index aa67bfd1b3ce..a584826cc570 100644
--- a/include/asm-x86_64/alternative.h
+++ b/include/asm-x86_64/alternative.h
@@ -4,6 +4,7 @@
 #ifdef __KERNEL__
 
 #include <linux/types.h>
+#include <asm/cpufeature.h>
 
 struct alt_instr {
         u8 *instr;              /* original instruction */
@@ -102,9 +103,6 @@ static inline void alternatives_smp_switch(int smp) {}
 /*
  * Alternative inline assembly for SMP.
  *
- * alternative_smp() takes two versions (SMP first, UP second) and is
- * for more complex stuff such as spinlocks.
- *
  * The LOCK_PREFIX macro defined here replaces the LOCK and
  * LOCK_PREFIX macros used everywhere in the source tree.
  *
@@ -124,21 +122,6 @@ static inline void alternatives_smp_switch(int smp) {}
  */
 
 #ifdef CONFIG_SMP
-#define alternative_smp(smpinstr, upinstr, args...)                     \
-        asm volatile ("661:\n\t" smpinstr "\n662:\n"                    \
-                      ".section .smp_altinstructions,\"a\"\n"           \
-                      "  .align 8\n"                                    \
-                      "  .quad 661b\n"            /* label */           \
-                      "  .quad 663f\n"            /* new instruction */ \
-                      "  .byte 0x66\n"            /* X86_FEATURE_UP */  \
-                      "  .byte 662b-661b\n"       /* sourcelen */       \
-                      "  .byte 664f-663f\n"       /* replacementlen */  \
-                      ".previous\n"                                     \
-                      ".section .smp_altinstr_replacement,\"awx\"\n"    \
-                      "663:\n\t" upinstr "\n"     /* replacement */     \
-                      "664:\n\t.fill 662b-661b,1,0x42\n" /* space for original */ \
-                      ".previous" : args)
-
 #define LOCK_PREFIX \
                 ".section .smp_locks,\"a\"\n"   \
                 "  .align 8\n"                  \
@@ -147,8 +130,6 @@ static inline void alternatives_smp_switch(int smp) {}
                 "661:\n\tlock; "
 
 #else /* ! CONFIG_SMP */
-#define alternative_smp(smpinstr, upinstr, args...) \
-        asm volatile (upinstr : args)
 #define LOCK_PREFIX ""
 #endif
 
diff --git a/include/asm-x86_64/processor.h b/include/asm-x86_64/processor.h
index 3b3c1217fe61..de9c3147ee4c 100644
--- a/include/asm-x86_64/processor.h
+++ b/include/asm-x86_64/processor.h
@@ -232,8 +232,14 @@ struct tss_struct {
         unsigned long io_bitmap[IO_BITMAP_LONGS + 1];
 } __attribute__((packed)) ____cacheline_aligned;
 
+
 extern struct cpuinfo_x86 boot_cpu_data;
 DECLARE_PER_CPU(struct tss_struct,init_tss);
+/* Save the original ist values for checking stack pointers during debugging */
+struct orig_ist {
+        unsigned long ist[7];
+};
+DECLARE_PER_CPU(struct orig_ist, orig_ist);
 
 #ifdef CONFIG_X86_VSMP
 #define ARCH_MIN_TASKALIGN      (1 << INTERNODE_CACHE_SHIFT)
diff --git a/include/asm-x86_64/spinlock.h b/include/asm-x86_64/spinlock.h
index 8d3421996f94..248a79f0eaff 100644
--- a/include/asm-x86_64/spinlock.h
+++ b/include/asm-x86_64/spinlock.h
@@ -21,7 +21,7 @@
 
 #define __raw_spin_lock_string \
         "\n1:\t" \
-        "lock ; decl %0\n\t" \
+        LOCK_PREFIX " ; decl %0\n\t" \
         "js 2f\n" \
         LOCK_SECTION_START("") \
         "2:\t" \
@@ -40,10 +40,7 @@
 
 static inline void __raw_spin_lock(raw_spinlock_t *lock)
 {
-        alternative_smp(
-                __raw_spin_lock_string,
-                __raw_spin_lock_string_up,
-                "=m" (lock->slock) : : "memory");
+        asm volatile(__raw_spin_lock_string : "=m" (lock->slock) : : "memory");
 }
 
 #define __raw_spin_lock_flags(lock, flags) __raw_spin_lock(lock)
@@ -125,12 +122,12 @@ static inline int __raw_write_trylock(raw_rwlock_t *lock)
 
 static inline void __raw_read_unlock(raw_rwlock_t *rw)
 {
-        asm volatile("lock ; incl %0" :"=m" (rw->lock) : : "memory");
+        asm volatile(LOCK_PREFIX " ; incl %0" :"=m" (rw->lock) : : "memory");
 }
 
 static inline void __raw_write_unlock(raw_rwlock_t *rw)
 {
-        asm volatile("lock ; addl $" RW_LOCK_BIAS_STR ",%0"
+        asm volatile(LOCK_PREFIX " ; addl $" RW_LOCK_BIAS_STR ",%0"
                                 : "=m" (rw->lock) : : "memory");
 }
 
diff --git a/include/asm-x86_64/unistd.h b/include/asm-x86_64/unistd.h
index 94387c915e53..2d89d309a2a8 100644
--- a/include/asm-x86_64/unistd.h
+++ b/include/asm-x86_64/unistd.h
@@ -620,8 +620,6 @@ __SYSCALL(__NR_vmsplice, sys_vmsplice)
 #define __NR_move_pages         279
 __SYSCALL(__NR_move_pages, sys_move_pages)
 
-#ifdef __KERNEL__
-
 #define __NR_syscall_max __NR_move_pages
 
 #ifndef __NO_STUBS
@@ -746,6 +744,8 @@ __syscall_return(type,__res); \
 
 #else /* __KERNEL_SYSCALLS__ */
 
+#ifdef __KERNEL__
+
 #include <linux/syscalls.h>
 #include <asm/ptrace.h>
 
@@ -838,9 +838,9 @@ asmlinkage long sys_rt_sigaction(int sig,
                                 struct sigaction __user *oact,
                                 size_t sigsetsize);
 
-#endif  /* __ASSEMBLY__ */
+#endif
 
-#endif /* __NO_STUBS */
+#endif
 
 /*
  * "Conditional" syscalls
@@ -850,5 +850,6 @@ asmlinkage long sys_rt_sigaction(int sig,
  */
 #define cond_syscall(x) asm(".weak\t" #x "\n\t.set\t" #x ",sys_ni_syscall")
 
-#endif /* __KERNEL__ */
+#endif
+
 #endif
diff --git a/include/asm-x86_64/unwind.h b/include/asm-x86_64/unwind.h
index f3e7124effe3..1f6e9bfb569e 100644
--- a/include/asm-x86_64/unwind.h
+++ b/include/asm-x86_64/unwind.h
@@ -95,6 +95,7 @@ static inline int arch_unw_user_mode(const struct unwind_frame_info *info)
 #else
 
 #define UNW_PC(frame) ((void)(frame), 0)
+#define UNW_SP(frame) ((void)(frame), 0)
 
 static inline int arch_unw_user_mode(const void *info)
 {
diff --git a/include/linux/delayacct.h b/include/linux/delayacct.h
index 11487b6e7127..561e2a77805c 100644
--- a/include/linux/delayacct.h
+++ b/include/linux/delayacct.h
@@ -59,10 +59,14 @@ static inline void delayacct_tsk_init(struct task_struct *tsk)
                 __delayacct_tsk_init(tsk);
 }
 
-static inline void delayacct_tsk_exit(struct task_struct *tsk)
+/* Free tsk->delays. Called from bad fork and __put_task_struct
+ * where there's no risk of tsk->delays being accessed elsewhere
+ */
+static inline void delayacct_tsk_free(struct task_struct *tsk)
 {
         if (tsk->delays)
-                __delayacct_tsk_exit(tsk);
+                kmem_cache_free(delayacct_cache, tsk->delays);
+        tsk->delays = NULL;
 }
 
 static inline void delayacct_blkio_start(void)
@@ -101,7 +105,7 @@ static inline void delayacct_init(void)
 {}
 static inline void delayacct_tsk_init(struct task_struct *tsk)
 {}
-static inline void delayacct_tsk_exit(struct task_struct *tsk)
+static inline void delayacct_tsk_free(struct task_struct *tsk)
 {}
 static inline void delayacct_blkio_start(void)
 {}
diff --git a/include/linux/mmzone.h b/include/linux/mmzone.h
index 656b588a9f96..f45163c528e8 100644
--- a/include/linux/mmzone.h
+++ b/include/linux/mmzone.h
@@ -77,6 +77,7 @@ struct per_cpu_pages {
 struct per_cpu_pageset {
         struct per_cpu_pages pcp[2];    /* 0: hot.  1: cold */
 #ifdef CONFIG_SMP
+        s8 stat_threshold;
         s8 vm_stat_diff[NR_VM_ZONE_STAT_ITEMS];
 #endif
 } ____cacheline_aligned_in_smp;
diff --git a/include/linux/pci_ids.h b/include/linux/pci_ids.h
index 4c2839eab7f4..c91164ea3dec 100644
--- a/include/linux/pci_ids.h
+++ b/include/linux/pci_ids.h
@@ -1292,6 +1292,7 @@
 #define PCI_DEVICE_ID_VIA_8367_0        0x3099
 #define PCI_DEVICE_ID_VIA_8653_0        0x3101
 #define PCI_DEVICE_ID_VIA_8622          0x3102
+#define PCI_DEVICE_ID_VIA_8235_USB_2    0x3104
 #define PCI_DEVICE_ID_VIA_8233C_0       0x3109
 #define PCI_DEVICE_ID_VIA_8361          0x3112
 #define PCI_DEVICE_ID_VIA_XM266         0x3116
diff --git a/include/linux/sched.h b/include/linux/sched.h
index 6674fc1e51bf..34ed0d99b1bd 100644
--- a/include/linux/sched.h
+++ b/include/linux/sched.h
@@ -994,7 +994,6 @@ struct task_struct {
          */
         struct pipe_inode_info *splice_pipe;
 #ifdef  CONFIG_TASK_DELAY_ACCT
-        spinlock_t delays_lock;
         struct task_delay_info *delays;
 #endif
 };
diff --git a/kernel/delayacct.c b/kernel/delayacct.c
index 57ca3730205d..36752f124c6a 100644
--- a/kernel/delayacct.c
+++ b/kernel/delayacct.c
@@ -41,24 +41,11 @@ void delayacct_init(void)
 
 void __delayacct_tsk_init(struct task_struct *tsk)
 {
-        spin_lock_init(&tsk->delays_lock);
-        /* No need to acquire tsk->delays_lock for allocation here unless
-           __delayacct_tsk_init called after tsk is attached to tasklist
-        */
         tsk->delays = kmem_cache_zalloc(delayacct_cache, SLAB_KERNEL);
         if (tsk->delays)
                 spin_lock_init(&tsk->delays->lock);
 }
 
-void __delayacct_tsk_exit(struct task_struct *tsk)
-{
-        struct task_delay_info *delays = tsk->delays;
-        spin_lock(&tsk->delays_lock);
-        tsk->delays = NULL;
-        spin_unlock(&tsk->delays_lock);
-        kmem_cache_free(delayacct_cache, delays);
-}
-
 /*
  * Start accounting for a delay statistic using
  * its starting timestamp (@start)
@@ -118,8 +105,6 @@ int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
         struct timespec ts;
         unsigned long t1,t2,t3;
 
-        spin_lock(&tsk->delays_lock);
-
         /* Though tsk->delays accessed later, early exit avoids
          * unnecessary returning of other data
          */
@@ -161,7 +146,6 @@ int __delayacct_add_tsk(struct taskstats *d, struct task_struct *tsk)
         spin_unlock(&tsk->delays->lock);
 
 done:
-        spin_unlock(&tsk->delays_lock);
         return 0;
 }
 
diff --git a/kernel/exit.c b/kernel/exit.c
index dba194a8d416..d891883420f7 100644
--- a/kernel/exit.c
+++ b/kernel/exit.c
@@ -908,7 +908,6 @@ fastcall NORET_TYPE void do_exit(long code)
                 audit_free(tsk);
         taskstats_exit_send(tsk, tidstats, group_dead, mycpu);
         taskstats_exit_free(tidstats);
-        delayacct_tsk_exit(tsk);
 
         exit_mm(tsk);
 
@@ -1054,7 +1053,7 @@ static int eligible_child(pid_t pid, int options, struct task_struct *p)
          * Do not consider thread group leaders that are
          * in a non-empty thread group:
          */
-        if (current->tgid != p->tgid && delay_group_leader(p))
+        if (delay_group_leader(p))
                 return 2;
 
         if (security_task_wait(p))
diff --git a/kernel/fork.c b/kernel/fork.c
index aa36c43783cc..f9b014e3e700 100644
--- a/kernel/fork.c
+++ b/kernel/fork.c
@@ -117,6 +117,7 @@ void __put_task_struct(struct task_struct *tsk)
         security_task_free(tsk);
         free_uid(tsk->user);
         put_group_info(tsk->group_info);
+        delayacct_tsk_free(tsk);
 
         if (!profile_handoff_task(tsk))
                 free_task(tsk);
@@ -1011,7 +1012,7 @@ static struct task_struct *copy_process(unsigned long clone_flags,
         retval = -EFAULT;
         if (clone_flags & CLONE_PARENT_SETTID)
                 if (put_user(p->pid, parent_tidptr))
-                        goto bad_fork_cleanup;
+                        goto bad_fork_cleanup_delays_binfmt;
 
         INIT_LIST_HEAD(&p->children);
         INIT_LIST_HEAD(&p->sibling);
@@ -1277,7 +1278,8 @@ bad_fork_cleanup_policy:
 bad_fork_cleanup_cpuset:
 #endif
         cpuset_exit(p);
-bad_fork_cleanup:
+bad_fork_cleanup_delays_binfmt:
+        delayacct_tsk_free(p);
         if (p->binfmt)
                 module_put(p->binfmt->module);
 bad_fork_cleanup_put_domain:
diff --git a/kernel/irq/handle.c b/kernel/irq/handle.c
index fc4e906aedbd..48a53f68af96 100644
--- a/kernel/irq/handle.c
+++ b/kernel/irq/handle.c
@@ -20,6 +20,11 @@
 
 /**
  * handle_bad_irq - handle spurious and unhandled irqs
+ * @irq:       the interrupt number
+ * @desc:      description of the interrupt
+ * @regs:      pointer to a register structure
+ *
+ * Handles spurious and unhandled IRQ's. It also prints a debugmessage.
  */
 void fastcall
 handle_bad_irq(unsigned int irq, struct irq_desc *desc, struct pt_regs *regs)
diff --git a/mm/mempolicy.c b/mm/mempolicy.c
index e07e27e846a2..a9963ceddd65 100644
--- a/mm/mempolicy.c
+++ b/mm/mempolicy.c
@@ -1176,7 +1176,15 @@ static inline unsigned interleave_nid(struct mempolicy *pol,
         if (vma) {
                 unsigned long off;
 
-                off = vma->vm_pgoff;
+                /*
+                 * for small pages, there is no difference between
+                 * shift and PAGE_SHIFT, so the bit-shift is safe.
+                 * for huge pages, since vm_pgoff is in units of small
+                 * pages, we need to shift off the always 0 bits to get
+                 * a useful offset.
+                 */
+                BUG_ON(shift < PAGE_SHIFT);
+                off = vma->vm_pgoff >> (shift - PAGE_SHIFT);
                 off += (addr - vma->vm_start) >> shift;
                 return offset_il_node(pol, vma, off);
         } else
diff --git a/mm/mempool.c b/mm/mempool.c
index fe6e05289cc5..ccd8cb8cd41f 100644
--- a/mm/mempool.c
+++ b/mm/mempool.c
@@ -238,8 +238,13 @@ repeat_alloc:
         init_wait(&wait);
         prepare_to_wait(&pool->wait, &wait, TASK_UNINTERRUPTIBLE);
         smp_mb();
-        if (!pool->curr_nr)
-                io_schedule();
+        if (!pool->curr_nr) {
+                /*
+                 * FIXME: this should be io_schedule().  The timeout is there
+                 * as a workaround for some DM problems in 2.6.18.
+                 */
+                io_schedule_timeout(5*HZ);
+        }
         finish_wait(&pool->wait, &wait);
 
         goto repeat_alloc;
diff --git a/mm/vmstat.c b/mm/vmstat.c
index dfdf24133901..c1b5f4106b38 100644
--- a/mm/vmstat.c
+++ b/mm/vmstat.c
@@ -12,6 +12,7 @@
 #include <linux/config.h>
 #include <linux/mm.h>
 #include <linux/module.h>
+#include <linux/cpu.h>
 
 void __get_zone_counts(unsigned long *active, unsigned long *inactive,
                         unsigned long *free, struct pglist_data *pgdat)
@@ -114,17 +115,72 @@ EXPORT_SYMBOL(vm_stat);
 
 #ifdef CONFIG_SMP
 
-#define STAT_THRESHOLD 32
+static int calculate_threshold(struct zone *zone)
+{
+        int threshold;
+        int mem;        /* memory in 128 MB units */
+
+        /*
+         * The threshold scales with the number of processors and the amount
+         * of memory per zone. More memory means that we can defer updates for
+         * longer, more processors could lead to more contention.
+         * fls() is used to have a cheap way of logarithmic scaling.
+         *
+         * Some sample thresholds:
+         *
+         * Threshold    Processors      (fls)   Zonesize        fls(mem+1)
+         * ------------------------------------------------------------------
+         * 8            1               1       0.9-1 GB        4
+         * 16           2               2       0.9-1 GB        4
+         * 20           2               2       1-2 GB          5
+         * 24           2               2       2-4 GB          6
+         * 28           2               2       4-8 GB          7
+         * 32           2               2       8-16 GB         8
+         * 4            2               2       <128M           1
+         * 30           4               3       2-4 GB          5
+         * 48           4               3       8-16 GB         8
+         * 32           8               4       1-2 GB          4
+         * 32           8               4       0.9-1GB         4
+         * 10           16              5       <128M           1
+         * 40           16              5       900M            4
+         * 70           64              7       2-4 GB          5
+         * 84           64              7       4-8 GB          6
+         * 108          512             9       4-8 GB          6
+         * 125          1024            10      8-16 GB         8
+         * 125          1024            10      16-32 GB        9
+         */
+
+        mem = zone->present_pages >> (27 - PAGE_SHIFT);
+
+        threshold = 2 * fls(num_online_cpus()) * (1 + fls(mem));
+
+        /*
+         * Maximum threshold is 125
+         */
+        threshold = min(125, threshold);
+
+        return threshold;
+}
 
 /*
- * Determine pointer to currently valid differential byte given a zone and
- * the item number.
- *
- * Preemption must be off
+ * Refresh the thresholds for each zone.
  */
-static inline s8 *diff_pointer(struct zone *zone, enum zone_stat_item item)
+static void refresh_zone_stat_thresholds(void)
 {
-        return &zone_pcp(zone, smp_processor_id())->vm_stat_diff[item];
+        struct zone *zone;
+        int cpu;
+        int threshold;
+
+        for_each_zone(zone) {
+
+                if (!zone->present_pages)
+                        continue;
+
+                threshold = calculate_threshold(zone);
+
+                for_each_online_cpu(cpu)
+                        zone_pcp(zone, cpu)->stat_threshold = threshold;
+        }
 }
 
 /*
@@ -133,17 +189,16 @@ static inline s8 *diff_pointer(struct zone *zone, enum zone_stat_item item)
 void __mod_zone_page_state(struct zone *zone, enum zone_stat_item item,
                                 int delta)
 {
-        s8 *p;
+        struct per_cpu_pageset *pcp = zone_pcp(zone, smp_processor_id());
+        s8 *p = pcp->vm_stat_diff + item;
         long x;
 
-        p = diff_pointer(zone, item);
         x = delta + *p;
 
-        if (unlikely(x > STAT_THRESHOLD || x < -STAT_THRESHOLD)) {
+        if (unlikely(x > pcp->stat_threshold || x < -pcp->stat_threshold)) {
                 zone_page_state_add(x, zone, item);
                 x = 0;
         }
-
         *p = x;
 }
 EXPORT_SYMBOL(__mod_zone_page_state);
@@ -172,10 +227,12 @@ EXPORT_SYMBOL(mod_zone_page_state);
  * No overflow check is necessary and therefore the differential can be
  * incremented or decremented in place which may allow the compilers to
  * generate better code.
- *
  * The increment or decrement is known and therefore one boundary check can
  * be omitted.
  *
+ * NOTE: These functions are very performance sensitive. Change only
+ * with care.
+ *
  * Some processors have inc/dec instructions that are atomic vs an interrupt.
  * However, the code must first determine the differential location in a zone
  * based on the processor number and then inc/dec the counter. There is no
@@ -185,13 +242,16 @@ EXPORT_SYMBOL(mod_zone_page_state);
  */
 static void __inc_zone_state(struct zone *zone, enum zone_stat_item item)
 {
-        s8 *p = diff_pointer(zone, item);
+        struct per_cpu_pageset *pcp = zone_pcp(zone, smp_processor_id());
+        s8 *p = pcp->vm_stat_diff + item;
 
         (*p)++;
 
-        if (unlikely(*p > STAT_THRESHOLD)) {
-                zone_page_state_add(*p, zone, item);
-                *p = 0;
+        if (unlikely(*p > pcp->stat_threshold)) {
+                int overstep = pcp->stat_threshold / 2;
+
+                zone_page_state_add(*p + overstep, zone, item);
+                *p = -overstep;
         }
 }
 
@@ -204,13 +264,16 @@ EXPORT_SYMBOL(__inc_zone_page_state);
 void __dec_zone_page_state(struct page *page, enum zone_stat_item item)
 {
         struct zone *zone = page_zone(page);
-        s8 *p = diff_pointer(zone, item);
+        struct per_cpu_pageset *pcp = zone_pcp(zone, smp_processor_id());
+        s8 *p = pcp->vm_stat_diff + item;
 
         (*p)--;
 
-        if (unlikely(*p < -STAT_THRESHOLD)) {
-                zone_page_state_add(*p, zone, item);
-                *p = 0;
+        if (unlikely(*p < - pcp->stat_threshold)) {
+                int overstep = pcp->stat_threshold / 2;
+
+                zone_page_state_add(*p - overstep, zone, item);
+                *p = overstep;
         }
 }
 EXPORT_SYMBOL(__dec_zone_page_state);
@@ -239,19 +302,9 @@ EXPORT_SYMBOL(inc_zone_page_state);
 void dec_zone_page_state(struct page *page, enum zone_stat_item item)
 {
         unsigned long flags;
-        struct zone *zone;
-        s8 *p;
 
-        zone = page_zone(page);
         local_irq_save(flags);
-        p = diff_pointer(zone, item);
-
-        (*p)--;
-
-        if (unlikely(*p < -STAT_THRESHOLD)) {
-                zone_page_state_add(*p, zone, item);
-                *p = 0;
-        }
+        __dec_zone_page_state(page, item);
         local_irq_restore(flags);
 }
 EXPORT_SYMBOL(dec_zone_page_state);
@@ -525,6 +578,10 @@ static int zoneinfo_show(struct seq_file *m, void *arg)
                                            pageset->pcp[j].high,
                                            pageset->pcp[j].batch);
                         }
+#ifdef CONFIG_SMP
+                        seq_printf(m, "\n  vm stats threshold: %d",
+                                        pageset->stat_threshold);
+#endif
                 }
                 seq_printf(m,
                            "\n  all_unreclaimable: %u"
@@ -613,3 +670,35 @@ struct seq_operations vmstat_op = {
 
 #endif /* CONFIG_PROC_FS */
 
+#ifdef CONFIG_SMP
+/*
+ * Use the cpu notifier to insure that the thresholds are recalculated
+ * when necessary.
+ */
+static int __cpuinit vmstat_cpuup_callback(struct notifier_block *nfb,
+                unsigned long action,
+                void *hcpu)
+{
+        switch (action) {
+                case CPU_UP_PREPARE:
+                case CPU_UP_CANCELED:
+                case CPU_DEAD:
+                        refresh_zone_stat_thresholds();
+                        break;
+                default:
+                        break;
+        }
+        return NOTIFY_OK;
+}
+
+static struct notifier_block __cpuinitdata vmstat_notifier =
+        { &vmstat_cpuup_callback, NULL, 0 };
+
+int __init setup_vmstat(void)
+{
+        refresh_zone_stat_thresholds();
+        register_cpu_notifier(&vmstat_notifier);
+        return 0;
+}
+module_init(setup_vmstat)
+#endif
diff --git a/net/ipv4/ip_output.c b/net/ipv4/ip_output.c
index 4c20f5546893..a2ede167e045 100644
--- a/net/ipv4/ip_output.c
+++ b/net/ipv4/ip_output.c
@@ -440,6 +440,7 @@ int ip_fragment(struct sk_buff *skb, int (*output)(struct sk_buff*))
         iph = skb->nh.iph;
 
         if (unlikely((iph->frag_off & htons(IP_DF)) && !skb->local_df)) {
+                IP_INC_STATS(IPSTATS_MIB_FRAGFAILS);
                 icmp_send(skb, ICMP_DEST_UNREACH, ICMP_FRAG_NEEDED,
                           htonl(dst_mtu(&rt->u.dst)));
                 kfree_skb(skb);
diff --git a/net/ipv4/tcp_cong.c b/net/ipv4/tcp_cong.c
index 5765f9d03174..7ff2e4273a7c 100644
--- a/net/ipv4/tcp_cong.c
+++ b/net/ipv4/tcp_cong.c
@@ -189,7 +189,7 @@ void tcp_slow_start(struct tcp_sock *tp)
                         return;
 
                 /* We MAY increase by 2 if discovered delayed ack */
-                if (sysctl_tcp_abc > 1 && tp->bytes_acked > 2*tp->mss_cache) {
+                if (sysctl_tcp_abc > 1 && tp->bytes_acked >= 2*tp->mss_cache) {
                         if (tp->snd_cwnd < tp->snd_cwnd_clamp)
                                 tp->snd_cwnd++;
                 }
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 104af5d5bcbc..111ff39a08c5 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -2505,8 +2505,13 @@ static int tcp_ack(struct sock *sk, struct sk_buff *skb, int flag)
         if (before(ack, prior_snd_una))
                 goto old_ack;
 
-        if (sysctl_tcp_abc && icsk->icsk_ca_state < TCP_CA_CWR)
-                tp->bytes_acked += ack - prior_snd_una;
+        if (sysctl_tcp_abc) {
+                if (icsk->icsk_ca_state < TCP_CA_CWR)
+                        tp->bytes_acked += ack - prior_snd_una;
+                else if (icsk->icsk_ca_state == TCP_CA_Loss)
+                        /* we assume just one segment left network */
+                        tp->bytes_acked += min(ack - prior_snd_una, tp->mss_cache);
+        }
 
         if (!(flag&FLAG_SLOWPATH) && after(ack, prior_snd_una)) {
                 /* Window is constant, pure forward advance.
diff --git a/net/ipv6/addrconf.c b/net/ipv6/addrconf.c
index 0c5042e7380d..c7852b38e03e 100644
--- a/net/ipv6/addrconf.c
+++ b/net/ipv6/addrconf.c
@@ -578,6 +578,8 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
         ifa->flags = flags | IFA_F_TENTATIVE;
         ifa->cstamp = ifa->tstamp = jiffies;
 
+        ifa->rt = rt;
+
         ifa->idev = idev;
         in6_dev_hold(idev);
         /* For caller */
@@ -603,8 +605,6 @@ ipv6_add_addr(struct inet6_dev *idev, const struct in6_addr *addr, int pfxlen,
         }
 #endif
 
-        ifa->rt = rt;
-
         in6_ifa_hold(ifa);
         write_unlock(&idev->lock);
 out2:
diff --git a/net/ipv6/exthdrs.c b/net/ipv6/exthdrs.c
index 9d0ee7f0eeb5..86dac106873b 100644
--- a/net/ipv6/exthdrs.c
+++ b/net/ipv6/exthdrs.c
@@ -635,14 +635,17 @@ ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
         struct ipv6_txoptions *opt2;
         int err;
 
-        if (newtype != IPV6_HOPOPTS && opt->hopopt)
-                tot_len += CMSG_ALIGN(ipv6_optlen(opt->hopopt));
-        if (newtype != IPV6_RTHDRDSTOPTS && opt->dst0opt)
-                tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst0opt));
-        if (newtype != IPV6_RTHDR && opt->srcrt)
-                tot_len += CMSG_ALIGN(ipv6_optlen(opt->srcrt));
-        if (newtype != IPV6_DSTOPTS && opt->dst1opt)
-                tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst1opt));
+        if (opt) {
+                if (newtype != IPV6_HOPOPTS && opt->hopopt)
+                        tot_len += CMSG_ALIGN(ipv6_optlen(opt->hopopt));
+                if (newtype != IPV6_RTHDRDSTOPTS && opt->dst0opt)
+                        tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst0opt));
+                if (newtype != IPV6_RTHDR && opt->srcrt)
+                        tot_len += CMSG_ALIGN(ipv6_optlen(opt->srcrt));
+                if (newtype != IPV6_DSTOPTS && opt->dst1opt)
+                        tot_len += CMSG_ALIGN(ipv6_optlen(opt->dst1opt));
+        }
+
         if (newopt && newoptlen)
                 tot_len += CMSG_ALIGN(newoptlen);
 
@@ -659,25 +662,25 @@ ipv6_renew_options(struct sock *sk, struct ipv6_txoptions *opt,
         opt2->tot_len = tot_len;
         p = (char *)(opt2 + 1);
 
-        err = ipv6_renew_option(opt->hopopt, newopt, newoptlen,
+        err = ipv6_renew_option(opt ? opt->hopopt : NULL, newopt, newoptlen,
                                 newtype != IPV6_HOPOPTS,
                                 &opt2->hopopt, &p);
         if (err)
                 goto out;
 
-        err = ipv6_renew_option(opt->dst0opt, newopt, newoptlen,
+        err = ipv6_renew_option(opt ? opt->dst0opt : NULL, newopt, newoptlen,
                                 newtype != IPV6_RTHDRDSTOPTS,
                                 &opt2->dst0opt, &p);
         if (err)
                 goto out;
 
-        err = ipv6_renew_option(opt->srcrt, newopt, newoptlen,
+        err = ipv6_renew_option(opt ? opt->srcrt : NULL, newopt, newoptlen,
                                 newtype != IPV6_RTHDR,
-                                (struct ipv6_opt_hdr **)opt2->srcrt, &p);
+                                (struct ipv6_opt_hdr **)&opt2->srcrt, &p);
         if (err)
                 goto out;
 
-        err = ipv6_renew_option(opt->dst1opt, newopt, newoptlen,
+        err = ipv6_renew_option(opt ? opt->dst1opt : NULL, newopt, newoptlen,
                                 newtype != IPV6_DSTOPTS,
                                 &opt2->dst1opt, &p);
         if (err)
diff --git a/net/ipv6/route.c b/net/ipv6/route.c
index 4b163711f3a8..d9baca062d24 100644
--- a/net/ipv6/route.c
+++ b/net/ipv6/route.c
@@ -1532,6 +1532,10 @@ int ipv6_route_ioctl(unsigned int cmd, void __user *arg)
 
 static int ip6_pkt_discard(struct sk_buff *skb)
 {
+        int type = ipv6_addr_type(&skb->nh.ipv6h->daddr);
+        if (type == IPV6_ADDR_ANY || type == IPV6_ADDR_RESERVED)
+                IP6_INC_STATS(IPSTATS_MIB_INADDRERRORS);
+
         IP6_INC_STATS(IPSTATS_MIB_OUTNOROUTES);
         icmpv6_send(skb, ICMPV6_DEST_UNREACH, ICMPV6_NOROUTE, 0, skb->dev);
         kfree_skb(skb);
diff --git a/net/netlink/af_netlink.c b/net/netlink/af_netlink.c
index b85c1f9f1288..8b85036ba8e3 100644
--- a/net/netlink/af_netlink.c
+++ b/net/netlink/af_netlink.c
@@ -1273,8 +1273,7 @@ netlink_kernel_create(int unit, unsigned int groups,
         struct netlink_sock *nlk;
         unsigned long *listeners = NULL;
 
-        if (!nl_table)
-                return NULL;
+        BUG_ON(!nl_table);
 
         if (unit<0 || unit>=MAX_LINKS)
                 return NULL;
@@ -1745,11 +1744,8 @@ static int __init netlink_proto_init(void)
                 netlink_skb_parms_too_large();
 
         nl_table = kcalloc(MAX_LINKS, sizeof(*nl_table), GFP_KERNEL);
-        if (!nl_table) {
-enomem:
-                printk(KERN_CRIT "netlink_init: Cannot allocate nl_table\n");
-                return -ENOMEM;
-        }
+        if (!nl_table)
+                goto panic;
 
         if (num_physpages >= (128 * 1024))
                 max = num_physpages >> (21 - PAGE_SHIFT);
@@ -1769,7 +1765,7 @@ enomem:
                                 nl_pid_hash_free(nl_table[i].hash.table,
                                                  1 * sizeof(*hash->table));
                         kfree(nl_table);
-                        goto enomem;
+                        goto panic;
                 }
                 memset(hash->table, 0, 1 * sizeof(*hash->table));
                 hash->max_shift = order;
@@ -1786,6 +1782,8 @@ enomem:
         rtnetlink_init();
 out:
         return err;
+panic:
+        panic("netlink_init: Cannot allocate nl_table\n");
 }
 
 core_initcall(netlink_proto_init);
diff --git a/net/sctp/socket.c b/net/sctp/socket.c
index fde3f55bfd4b..dab15949958e 100644
--- a/net/sctp/socket.c
+++ b/net/sctp/socket.c
@@ -1289,9 +1289,13 @@ SCTP_STATIC void sctp_close(struct sock *sk, long timeout)
                         }
                 }
 
-                if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime)
-                        sctp_primitive_ABORT(asoc, NULL);
-                else
+                if (sock_flag(sk, SOCK_LINGER) && !sk->sk_lingertime) {
+                        struct sctp_chunk *chunk;
+
+                        chunk = sctp_make_abort_user(asoc, NULL, 0);
+                        if (chunk)
+                                sctp_primitive_ABORT(asoc, chunk);
+                } else
                         sctp_primitive_SHUTDOWN(asoc, NULL);
         }
 
diff --git a/net/socket.c b/net/socket.c
index b4848ce0d6ac..6d261bf206fc 100644
--- a/net/socket.c
+++ b/net/socket.c
@@ -1178,7 +1178,8 @@ static int __sock_create(int family, int type, int protocol, struct socket **res
  */
 
         if (!(sock = sock_alloc())) {
-                printk(KERN_WARNING "socket: no more sockets\n");
+                if (net_ratelimit())
+                        printk(KERN_WARNING "socket: no more sockets\n");
                 err = -ENFILE;          /* Not exactly a match, but its the
                                            closest posix thing */
                 goto out;
diff --git a/sound/oss/Kconfig b/sound/oss/Kconfig
index 1b7c3dfc2b41..97e38b665587 100644
--- a/sound/oss/Kconfig
+++ b/sound/oss/Kconfig
@@ -5,6 +5,20 @@
 #
 # Prompt user for primary drivers.
 
+config OSS_OBSOLETE_DRIVER
+        bool "Obsolete OSS drivers"
+        depends on SOUND_PRIME
+        help
+          This option enables support for obsolete OSS drivers that
+          are scheduled for removal in the near future since there
+          are ALSA drivers for the same hardware.
+
+          Please contact Adrian Bunk <bunk@stusta.de> if you had to
+          say Y here because your soundcard is not properly supported
+          by ALSA.
+
+          If unsure, say N.
+
 config SOUND_BT878
         tristate "BT878 audio dma"
         depends on SOUND_PRIME && PCI
@@ -23,7 +37,7 @@ config SOUND_BT878
 
 config SOUND_EMU10K1
         tristate "Creative SBLive! (EMU10K1)"
-        depends on SOUND_PRIME && PCI
+        depends on SOUND_PRIME && PCI && OSS_OBSOLETE_DRIVER
         ---help---
           Say Y or M if you have a PCI sound card using the EMU10K1 chipset,
           such as the Creative SBLive!, SB PCI512 or Emu-APS.
@@ -49,7 +63,7 @@ config MIDI_EMU10K1
 
 config SOUND_FUSION
         tristate "Crystal SoundFusion (CS4280/461x)"
-        depends on SOUND_PRIME && PCI
+        depends on SOUND_PRIME && PCI && OSS_OBSOLETE_DRIVER
         help
           This module drives the Crystal SoundFusion devices (CS4280/46xx
           series) when wired as native sound drivers with AC97 codecs.  If
@@ -440,7 +454,7 @@ config SOUND_DMAP
 
 config SOUND_AD1816
         tristate "AD1816(A) based cards (EXPERIMENTAL)"
-        depends on EXPERIMENTAL && SOUND_OSS
+        depends on EXPERIMENTAL && SOUND_OSS && OSS_OBSOLETE_DRIVER
         help
           Say M here if you have a sound card based on the Analog Devices
           AD1816(A) chip.
@@ -450,21 +464,21 @@ config SOUND_AD1816
 
 config SOUND_AD1889
         tristate "AD1889 based cards (AD1819 codec) (EXPERIMENTAL)"
-        depends on EXPERIMENTAL && SOUND_OSS && PCI
+        depends on EXPERIMENTAL && SOUND_OSS && PCI && OSS_OBSOLETE_DRIVER
         help
           Say M here if you have a sound card based on the Analog Devices
           AD1889 chip.
 
 config SOUND_ADLIB
         tristate "Adlib Cards"
-        depends on SOUND_OSS
+        depends on SOUND_OSS && OSS_OBSOLETE_DRIVER
         help
           Includes ASB 64 4D. Information on programming AdLib cards is
           available at <http://www.itsnet.com/home/ldragon/Specs/adlib.html>.
 
 config SOUND_ACI_MIXER
         tristate "ACI mixer (miroSOUND PCM1-pro/PCM12/PCM20)"
-        depends on SOUND_OSS
+        depends on SOUND_OSS && OSS_OBSOLETE_DRIVER
         ---help---
           ACI (Audio Command Interface) is a protocol used to communicate with
           the microcontroller on some sound cards produced by miro and
@@ -586,7 +600,7 @@ config SOUND_MPU401
 
 config SOUND_NM256
         tristate "NM256AV/NM256ZX audio support"
-        depends on SOUND_OSS
+        depends on SOUND_OSS && OSS_OBSOLETE_DRIVER
         help
           Say M here to include audio support for the NeoMagic 256AV/256ZX
           chipsets. These are the audio chipsets found in the Sony
@@ -706,7 +720,7 @@ config SOUND_YM3812
 
 config SOUND_OPL3SA2
         tristate "Yamaha OPL3-SA2 and SA3 based PnP cards"
-        depends on SOUND_OSS
+        depends on SOUND_OSS && OSS_OBSOLETE_DRIVER
         help
           Say Y or M if you have a card based on one of these Yamaha sound
           chipsets or the "SAx", which is actually a SA3. Read
diff --git a/sound/pci/ac97/ac97_codec.c b/sound/pci/ac97/ac97_codec.c
index 0abf2808d59f..51e83d7a839a 100644
--- a/sound/pci/ac97/ac97_codec.c
+++ b/sound/pci/ac97/ac97_codec.c
@@ -573,7 +573,7 @@ AC97_SINGLE("PC Speaker Playback Volume", AC97_PC_BEEP, 1, 15, 1)
 };
 
 static const struct snd_kcontrol_new snd_ac97_controls_mic_boost =
-        AC97_SINGLE("Mic Boost (+20dB) Switch", AC97_MIC, 6, 1, 0);
+        AC97_SINGLE("Mic Boost (+20dB)", AC97_MIC, 6, 1, 0);
 
 
 static const char* std_rec_sel[] = {"Mic", "CD", "Video", "Aux", "Line", "Mix", "Mix Mono", "Phone"};
@@ -615,7 +615,7 @@ AC97_SINGLE("Simulated Stereo Enhancement", AC97_GENERAL_PURPOSE, 14, 1, 0),
 AC97_SINGLE("3D Control - Switch", AC97_GENERAL_PURPOSE, 13, 1, 0),
 AC97_SINGLE("Loudness (bass boost)", AC97_GENERAL_PURPOSE, 12, 1, 0),
 AC97_ENUM("Mono Output Select", std_enum[2]),
-AC97_ENUM("Mic Select Capture Switch", std_enum[3]),
+AC97_ENUM("Mic Select", std_enum[3]),
 AC97_SINGLE("ADC/DAC Loopback", AC97_GENERAL_PURPOSE, 7, 1, 0)
 };