21 files changed, 191 insertions, 95 deletions

diff --git a/arch/ia64/Kconfig b/arch/ia64/Kconfig
index 9f40eeff0b5c..0f3076a820c3 100644
--- a/arch/ia64/Kconfig
+++ b/arch/ia64/Kconfig
@@ -413,6 +413,8 @@ config IA64_PALINFO
 config SGI_SN
         def_bool y if (IA64_SGI_SN2 || IA64_GENERIC)
 
+source "drivers/sn/Kconfig"
+
 source "drivers/firmware/Kconfig"
 
 source "fs/Kconfig.binfmt"
diff --git a/arch/ia64/configs/sn2_defconfig b/arch/ia64/configs/sn2_defconfig
index a718034d68d0..9ea35398e10d 100644
--- a/arch/ia64/configs/sn2_defconfig
+++ b/arch/ia64/configs/sn2_defconfig
@@ -1,7 +1,7 @@
 #
 # Automatically generated make config: don't edit
-# Linux kernel version: 2.6.16-rc5
-# Mon Feb 27 16:06:38 2006
+# Linux kernel version: 2.6.17-rc3
+# Thu Apr 27 11:48:23 2006
 #
 
 #
@@ -24,6 +24,7 @@ CONFIG_SYSCTL=y
 # CONFIG_AUDIT is not set
 # CONFIG_IKCONFIG is not set
 CONFIG_CPUSETS=y
+CONFIG_RELAY=y
 CONFIG_INITRAMFS_SOURCE=""
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 # CONFIG_EMBEDDED is not set
@@ -38,10 +39,6 @@ CONFIG_BASE_FULL=y
 CONFIG_FUTEX=y
 CONFIG_EPOLL=y
 CONFIG_SHMEM=y
-CONFIG_CC_ALIGN_FUNCTIONS=0
-CONFIG_CC_ALIGN_LABELS=0
-CONFIG_CC_ALIGN_LOOPS=0
-CONFIG_CC_ALIGN_JUMPS=0
 CONFIG_SLAB=y
 # CONFIG_TINY_SHMEM is not set
 CONFIG_BASE_SMALL=0
@@ -53,7 +50,6 @@ CONFIG_BASE_SMALL=0
 CONFIG_MODULES=y
 CONFIG_MODULE_UNLOAD=y
 # CONFIG_MODULE_FORCE_UNLOAD is not set
-CONFIG_OBSOLETE_MODPARM=y
 # CONFIG_MODVERSIONS is not set
 # CONFIG_MODULE_SRCVERSION_ALL is not set
 CONFIG_KMOD=y
@@ -62,6 +58,7 @@ CONFIG_STOP_MACHINE=y
 #
 # Block layer
 #
+# CONFIG_BLK_DEV_IO_TRACE is not set
 
 #
 # IO Schedulers
@@ -84,8 +81,10 @@ CONFIG_64BIT=y
 CONFIG_MMU=y
 CONFIG_SWIOTLB=y
 CONFIG_RWSEM_XCHGADD_ALGORITHM=y
+CONFIG_GENERIC_FIND_NEXT_BIT=y
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_TIME_INTERPOLATION=y
+CONFIG_DMI=y
 CONFIG_EFI=y
 CONFIG_GENERIC_IOMAP=y
 CONFIG_SCHED_NO_NO_OMIT_FRAME_POINTER=y
@@ -116,7 +115,6 @@ CONFIG_IA64_SGI_SN_XP=m
 CONFIG_FORCE_MAX_ZONEORDER=17
 CONFIG_SMP=y
 CONFIG_NR_CPUS=1024
-CONFIG_IA64_NR_NODES=256
 # CONFIG_HOTPLUG_CPU is not set
 CONFIG_SCHED_SMT=y
 CONFIG_PREEMPT=y
@@ -136,6 +134,7 @@ CONFIG_ARCH_FLATMEM_ENABLE=y
 CONFIG_ARCH_SPARSEMEM_ENABLE=y
 CONFIG_ARCH_DISCONTIGMEM_DEFAULT=y
 CONFIG_NUMA=y
+CONFIG_NODES_SHIFT=10
 CONFIG_VIRTUAL_MEM_MAP=y
 CONFIG_HOLES_IN_ZONE=y
 CONFIG_HAVE_ARCH_EARLY_PFN_TO_NID=y
@@ -187,7 +186,6 @@ CONFIG_ACPI_SYSTEM=y
 CONFIG_PCI=y
 CONFIG_PCI_DOMAINS=y
 # CONFIG_PCI_MSI is not set
-CONFIG_PCI_LEGACY_PROC=y
 # CONFIG_PCI_DEBUG is not set
 
 #
@@ -231,6 +229,7 @@ CONFIG_SYN_COOKIES=y
 # CONFIG_INET_AH is not set
 # CONFIG_INET_ESP is not set
 # CONFIG_INET_IPCOMP is not set
+# CONFIG_INET_XFRM_TUNNEL is not set
 # CONFIG_INET_TUNNEL is not set
 CONFIG_INET_DIAG=m
 CONFIG_INET_TCP_DIAG=m
@@ -238,9 +237,11 @@ CONFIG_INET_TCP_DIAG=m
 CONFIG_TCP_CONG_BIC=y
 CONFIG_IPV6=m
 # CONFIG_IPV6_PRIVACY is not set
+# CONFIG_IPV6_ROUTER_PREF is not set
 # CONFIG_INET6_AH is not set
 # CONFIG_INET6_ESP is not set
 # CONFIG_INET6_IPCOMP is not set
+# CONFIG_INET6_XFRM_TUNNEL is not set
 # CONFIG_INET6_TUNNEL is not set
 # CONFIG_IPV6_TUNNEL is not set
 # CONFIG_NETFILTER is not set
@@ -468,9 +469,14 @@ CONFIG_SCSI_SATA_VITESSE=y
 # CONFIG_SCSI_INIA100 is not set
 # CONFIG_SCSI_SYM53C8XX_2 is not set
 # CONFIG_SCSI_IPR is not set
-# CONFIG_SCSI_QLOGIC_FC is not set
 CONFIG_SCSI_QLOGIC_1280=y
-# CONFIG_SCSI_QLA_FC is not set
+CONFIG_SCSI_QLA_FC=y
+CONFIG_SCSI_QLA2XXX_EMBEDDED_FIRMWARE=y
+# CONFIG_SCSI_QLA21XX is not set
+CONFIG_SCSI_QLA22XX=y
+CONFIG_SCSI_QLA2300=y
+CONFIG_SCSI_QLA2322=y
+# CONFIG_SCSI_QLA24XX is not set
 # CONFIG_SCSI_LPFC is not set
 # CONFIG_SCSI_DC395x is not set
 # CONFIG_SCSI_DC390T is not set
@@ -486,6 +492,7 @@ CONFIG_MD_RAID0=y
 CONFIG_MD_RAID1=y
 # CONFIG_MD_RAID10 is not set
 CONFIG_MD_RAID5=y
+# CONFIG_MD_RAID5_RESHAPE is not set
 # CONFIG_MD_RAID6 is not set
 CONFIG_MD_MULTIPATH=y
 # CONFIG_MD_FAULTY is not set
@@ -694,6 +701,7 @@ CONFIG_EFI_RTC=y
 # Ftape, the floppy tape device driver
 #
 CONFIG_AGP=y
+# CONFIG_AGP_VIA is not set
 CONFIG_AGP_SGI_TIOCA=y
 # CONFIG_DRM is not set
 CONFIG_RAW_DRIVER=m
@@ -735,10 +743,6 @@ CONFIG_MMTIMER=y
 #
 
 #
-# Multimedia Capabilities Port drivers
-#
-
-#
 # Multimedia devices
 #
 # CONFIG_VIDEO_DEV is not set
@@ -747,6 +751,7 @@ CONFIG_MMTIMER=y
 # Digital Video Broadcasting Devices
 #
 # CONFIG_DVB is not set
+# CONFIG_USB_DABUSB is not set
 
 #
 # Graphics support
@@ -757,6 +762,7 @@ CONFIG_MMTIMER=y
 # Console display driver support
 #
 CONFIG_VGA_CONSOLE=y
+# CONFIG_VGACON_SOFT_SCROLLBACK is not set
 CONFIG_DUMMY_CONSOLE=y
 
 #
@@ -769,6 +775,7 @@ CONFIG_DUMMY_CONSOLE=y
 #
 CONFIG_USB_ARCH_HAS_HCD=y
 CONFIG_USB_ARCH_HAS_OHCI=y
+CONFIG_USB_ARCH_HAS_EHCI=y
 CONFIG_USB=m
 # CONFIG_USB_DEBUG is not set
 
@@ -829,9 +836,7 @@ CONFIG_USB_HIDINPUT=y
 # CONFIG_USB_ACECAD is not set
 # CONFIG_USB_KBTAB is not set
 # CONFIG_USB_POWERMATE is not set
-# CONFIG_USB_MTOUCH is not set
-# CONFIG_USB_ITMTOUCH is not set
-# CONFIG_USB_EGALAX is not set
+# CONFIG_USB_TOUCHSCREEN is not set
 # CONFIG_USB_YEALINK is not set
 # CONFIG_USB_XPAD is not set
 # CONFIG_USB_ATI_REMOTE is not set
@@ -846,15 +851,6 @@ CONFIG_USB_HIDINPUT=y
 # CONFIG_USB_MICROTEK is not set
 
 #
-# USB Multimedia devices
-#
-# CONFIG_USB_DABUSB is not set
-
-#
-# Video4Linux support is needed for USB Multimedia device support
-#
-
-#
 # USB Network Adapters
 #
 # CONFIG_USB_CATC is not set
@@ -905,15 +901,29 @@ CONFIG_USB_MON=y
 # CONFIG_MMC is not set
 
 #
+# LED devices
+#
+# CONFIG_NEW_LEDS is not set
+
+#
+# LED drivers
+#
+
+#
+# LED Triggers
+#
+
+#
 # InfiniBand support
 #
 CONFIG_INFINIBAND=m
 # CONFIG_INFINIBAND_USER_MAD is not set
 CONFIG_INFINIBAND_USER_ACCESS=m
 CONFIG_INFINIBAND_MTHCA=m
-# CONFIG_INFINIBAND_MTHCA_DEBUG is not set
+CONFIG_INFINIBAND_MTHCA_DEBUG=y
 CONFIG_INFINIBAND_IPOIB=m
-# CONFIG_INFINIBAND_IPOIB_DEBUG is not set
+CONFIG_INFINIBAND_IPOIB_DEBUG=y
+# CONFIG_INFINIBAND_IPOIB_DEBUG_DATA is not set
 CONFIG_INFINIBAND_SRP=m
 
 #
@@ -923,8 +933,13 @@ CONFIG_SGI_IOC4=y
 CONFIG_SGI_IOC3=y
 
 #
-# EDAC - error detection and reporting (RAS)
+# EDAC - error detection and reporting (RAS) (EXPERIMENTAL)
+#
+
+#
+# Real Time Clock
 #
+# CONFIG_RTC_CLASS is not set
 
 #
 # File systems
@@ -997,7 +1012,6 @@ CONFIG_TMPFS=y
 CONFIG_HUGETLBFS=y
 CONFIG_HUGETLB_PAGE=y
 CONFIG_RAMFS=y
-CONFIG_RELAYFS_FS=m
 # CONFIG_CONFIGFS_FS is not set
 
 #
@@ -1145,7 +1159,7 @@ CONFIG_DETECT_SOFTLOCKUP=y
 # CONFIG_SCHEDSTATS is not set
 # CONFIG_DEBUG_SLAB is not set
 CONFIG_DEBUG_PREEMPT=y
-CONFIG_DEBUG_MUTEXES=y
+# CONFIG_DEBUG_MUTEXES is not set
 # CONFIG_DEBUG_SPINLOCK is not set
 # CONFIG_DEBUG_SPINLOCK_SLEEP is not set
 # CONFIG_DEBUG_KOBJECT is not set
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
index 4e7a6a1ec6c7..da03c06744f1 100644
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -35,6 +35,9 @@ extern void ia64_elf32_init (struct pt_regs *regs);
 
 static void elf32_set_personality (void);
 
+static unsigned long __attribute ((unused))
+randomize_stack_top(unsigned long stack_top);
+
 #define setup_arg_pages(bprm,tos,exec)          ia32_setup_arg_pages(bprm,exec)
 #define elf_map                         elf32_map
 
diff --git a/arch/ia64/ia32/ia32_entry.S b/arch/ia64/ia32/ia32_entry.S
index 95fe04400f6b..a32cd59b81ed 100644
--- a/arch/ia64/ia32/ia32_entry.S
+++ b/arch/ia64/ia32/ia32_entry.S
@@ -334,7 +334,7 @@ ia32_syscall_table:
         data8 sys_setdomainname
         data8 sys32_newuname
         data8 sys32_modify_ldt
-        data8 sys_ni_syscall    /* adjtimex */
+        data8 compat_sys_adjtimex
         data8 sys32_mprotect      /* 125 */
         data8 compat_sys_sigprocmask
         data8 sys_ni_syscall    /* create_module */
diff --git a/arch/ia64/kernel/Makefile b/arch/ia64/kernel/Makefile
index 59e871dae742..09a0dbc17fb6 100644
--- a/arch/ia64/kernel/Makefile
+++ b/arch/ia64/kernel/Makefile
@@ -7,7 +7,7 @@ extra-y	:= head.o init_task.o vmlinux.lds
 obj-y := acpi.o entry.o efi.o efi_stub.o gate-data.o fsys.o ia64_ksyms.o irq.o irq_ia64.o       \
          irq_lsapic.o ivt.o machvec.o pal.o patch.o process.o perfmon.o ptrace.o sal.o          \
          salinfo.o semaphore.o setup.o signal.o sys_ia64.o time.o traps.o unaligned.o \
-         unwind.o mca.o mca_asm.o topology.o dmi_scan.o
+         unwind.o mca.o mca_asm.o topology.o
 
 obj-$(CONFIG_IA64_BRL_EMU)      += brl_emu.o
 obj-$(CONFIG_IA64_GENERIC)      += acpi-ext.o
@@ -30,7 +30,6 @@ obj-$(CONFIG_IA64_MCA_RECOVERY)	+= mca_recovery.o
 obj-$(CONFIG_KPROBES)           += kprobes.o jprobes.o
 obj-$(CONFIG_IA64_UNCACHED_ALLOCATOR)   += uncached.o
 mca_recovery-y                  += mca_drv.o mca_drv_asm.o
-dmi_scan-y                      += ../../i386/kernel/dmi_scan.o
 
 # The gate DSO image is built using a special linker script.
 targets += gate.so gate-syms.o
diff --git a/arch/ia64/kernel/entry.S b/arch/ia64/kernel/entry.S
index 6e16f6b35bd3..bcb80ca5cf40 100644
--- a/arch/ia64/kernel/entry.S
+++ b/arch/ia64/kernel/entry.S
@@ -1609,5 +1609,7 @@ sys_call_table:
         data8 sys_set_robust_list
         data8 sys_get_robust_list
         data8 sys_sync_file_range               // 1300
+        data8 sys_tee
+        data8 sys_vmsplice
 
         .org sys_call_table + 8*NR_syscalls     // guard against failures to increase NR_syscalls
diff --git a/arch/ia64/kernel/iosapic.c b/arch/ia64/kernel/iosapic.c
index 7956eb9058fc..d58c1c5c903a 100644
--- a/arch/ia64/kernel/iosapic.c
+++ b/arch/ia64/kernel/iosapic.c
@@ -416,7 +416,7 @@ iosapic_end_level_irq (unsigned int irq)
         ia64_vector vec = irq_to_vector(irq);
         struct iosapic_rte_info *rte;
 
-        move_irq(irq);
+        move_native_irq(irq);
         list_for_each_entry(rte, &iosapic_intr_info[vec].rtes, rte_list)
                 iosapic_eoi(rte->addr, vec);
 }
@@ -458,7 +458,7 @@ iosapic_ack_edge_irq (unsigned int irq)
 {
         irq_desc_t *idesc = irq_descp(irq);
 
-        move_irq(irq);
+        move_native_irq(irq);
         /*
          * Once we have recorded IRQ_PENDING already, we can mask the
          * interrupt for real. This prevents IRQ storms from unhandled
diff --git a/arch/ia64/kernel/irq.c b/arch/ia64/kernel/irq.c
index 5ce908ef9c95..9c72ea3f6432 100644
--- a/arch/ia64/kernel/irq.c
+++ b/arch/ia64/kernel/irq.c
@@ -101,7 +101,6 @@ void set_irq_affinity_info (unsigned int irq, int hwid, int redir)
 
         if (irq < NR_IRQS) {
                 irq_affinity[irq] = mask;
-                set_irq_info(irq, mask);
                 irq_redir[irq] = (char) (redir & 0xff);
         }
 }
diff --git a/arch/ia64/kernel/kprobes.c b/arch/ia64/kernel/kprobes.c
index 789881ca83d4..f9039f88d01d 100644
--- a/arch/ia64/kernel/kprobes.c
+++ b/arch/ia64/kernel/kprobes.c
@@ -251,7 +251,7 @@ static void __kprobes prepare_break_inst(uint template, uint  slot,
         update_kprobe_inst_flag(template, slot, major_opcode, kprobe_inst, p);
 }
 
-static inline void get_kprobe_inst(bundle_t *bundle, uint slot,
+static void __kprobes get_kprobe_inst(bundle_t *bundle, uint slot,
                 unsigned long *kprobe_inst, uint *major_opcode)
 {
         unsigned long kprobe_inst_p0, kprobe_inst_p1;
@@ -278,7 +278,7 @@ static inline void get_kprobe_inst(bundle_t *bundle, uint slot,
 }
 
 /* Returns non-zero if the addr is in the Interrupt Vector Table */
-static inline int in_ivt_functions(unsigned long addr)
+static int __kprobes in_ivt_functions(unsigned long addr)
 {
         return (addr >= (unsigned long)__start_ivt_text
                 && addr < (unsigned long)__end_ivt_text);
@@ -308,19 +308,19 @@ static int __kprobes valid_kprobe_addr(int template, int slot,
         return 0;
 }
 
-static inline void save_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes save_previous_kprobe(struct kprobe_ctlblk *kcb)
 {
         kcb->prev_kprobe.kp = kprobe_running();
         kcb->prev_kprobe.status = kcb->kprobe_status;
 }
 
-static inline void restore_previous_kprobe(struct kprobe_ctlblk *kcb)
+static void __kprobes restore_previous_kprobe(struct kprobe_ctlblk *kcb)
 {
         __get_cpu_var(current_kprobe) = kcb->prev_kprobe.kp;
         kcb->kprobe_status = kcb->prev_kprobe.status;
 }
 
-static inline void set_current_kprobe(struct kprobe *p,
+static void __kprobes set_current_kprobe(struct kprobe *p,
                         struct kprobe_ctlblk *kcb)
 {
         __get_cpu_var(current_kprobe) = p;
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 5e6fdbe78bcd..6a0880639bc9 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -963,7 +963,7 @@ no_mod:
  */
 
 static void
-ia64_wait_for_slaves(int monarch)
+ia64_wait_for_slaves(int monarch, const char *type)
 {
         int c, wait = 0, missing = 0;
         for_each_online_cpu(c) {
@@ -989,7 +989,7 @@ ia64_wait_for_slaves(int monarch)
         }
         if (!missing)
                 goto all_in;
-        printk(KERN_INFO "OS MCA slave did not rendezvous on cpu");
+        printk(KERN_INFO "OS %s slave did not rendezvous on cpu", type);
         for_each_online_cpu(c) {
                 if (c == monarch)
                         continue;
@@ -1000,7 +1000,7 @@ ia64_wait_for_slaves(int monarch)
         return;
 
 all_in:
-        printk(KERN_INFO "All OS MCA slaves have reached rendezvous\n");
+        printk(KERN_INFO "All OS %s slaves have reached rendezvous\n", type);
         return;
 }
 
@@ -1038,7 +1038,7 @@ ia64_mca_handler(struct pt_regs *regs, struct switch_stack *sw,
         if (notify_die(DIE_MCA_MONARCH_ENTER, "MCA", regs, (long)&nd, 0, 0)
                         == NOTIFY_STOP)
                 ia64_mca_spin(__FUNCTION__);
-        ia64_wait_for_slaves(cpu);
+        ia64_wait_for_slaves(cpu, "MCA");
 
         /* Wakeup all the processors which are spinning in the rendezvous loop.
          * They will leave SAL, then spin in the OS with interrupts disabled
@@ -1429,7 +1429,7 @@ ia64_init_handler(struct pt_regs *regs, struct switch_stack *sw,
          */
         printk("Delaying for 5 seconds...\n");
         udelay(5*1000000);
-        ia64_wait_for_slaves(cpu);
+        ia64_wait_for_slaves(cpu, "INIT");
         /* If nobody intercepts DIE_INIT_MONARCH_PROCESS then we drop through
          * to default_monarch_init_process() above and just print all the
          * tasks.
diff --git a/arch/ia64/kernel/mca_drv.c b/arch/ia64/kernel/mca_drv.c
index 37c88eb55873..ca6666b51ccb 100644
--- a/arch/ia64/kernel/mca_drv.c
+++ b/arch/ia64/kernel/mca_drv.c
@@ -62,6 +62,11 @@ typedef enum {
         ISOLATE_NONE
 } isolate_status_t;
 
+typedef enum {
+        MCA_NOT_RECOVERED = 0,
+        MCA_RECOVERED     = 1
+} recovery_status_t;
+
 /*
  *  This pool keeps pointers to the section part of SAL error record
  */
@@ -71,6 +76,18 @@ static struct {
         int          max_idx; /* Maximum index of section pointer list pool */
 } slidx_pool;
 
+static int
+fatal_mca(const char *fmt, ...)
+{
+        va_list args;
+
+        va_start(args, fmt);
+        vprintk(fmt, args);
+        va_end(args);
+
+        return MCA_NOT_RECOVERED;
+}
+
 /**
  * mca_page_isolate - isolate a poisoned page in order not to use it later
  * @paddr:      poisoned memory location
@@ -424,7 +441,7 @@ recover_from_read_error(slidx_table_t *slidx,
 
         /* Is target address valid? */
         if (!pbci->tv)
-                return 0;
+                return fatal_mca(KERN_ALERT "MCA: target address not valid\n");
 
         /*
          * cpu read or memory-mapped io read
@@ -442,7 +459,7 @@ recover_from_read_error(slidx_table_t *slidx,
 
         /* Is minstate valid? */
         if (!peidx_bottom(peidx) || !(peidx_bottom(peidx)->valid.minstate))
-                return 0;
+                return fatal_mca(KERN_ALERT "MCA: minstate not valid\n");
         psr1 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_ipsr);
         psr2 =(struct ia64_psr *)&(peidx_minstate_area(peidx)->pmsa_xpsr);
 
@@ -476,12 +493,13 @@ recover_from_read_error(slidx_table_t *slidx,
                         psr2->bn  = 1;
                         psr2->i  = 0;
 
-                        return 1;
+                        return MCA_RECOVERED;
                 }
 
         }
 
-        return 0;
+        return fatal_mca(KERN_ALERT "MCA: kernel context not recovered,"
+                          " iip 0x%lx\n", pmsa->pmsa_iip);
 }
 
 /**
@@ -567,13 +585,13 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
          * The machine check is corrected.
          */
         if (psp->cm == 1)
-                return 1;
+                return MCA_RECOVERED;
 
         /*
          * The error was not contained.  Software must be reset.
          */
         if (psp->us || psp->ci == 0)
-                return 0;
+                return fatal_mca(KERN_ALERT "MCA: error not contained\n");
 
         /*
          * The cache check and bus check bits have four possible states
@@ -584,20 +602,22 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
          *    1  1      Memory error, attempt recovery
          */
         if (psp->bc == 0 || pbci == NULL)
-                return 0;
+                return fatal_mca(KERN_ALERT "MCA: No bus check\n");
 
         /*
          * Sorry, we cannot handle so many.
          */
         if (peidx_bus_check_num(peidx) > 1)
-                return 0;
+                return fatal_mca(KERN_ALERT "MCA: Too many bus checks\n");
         /*
          * Well, here is only one bus error.
          */
-        if (pbci->ib || pbci->cc)
-                return 0;
+        if (pbci->ib)
+                return fatal_mca(KERN_ALERT "MCA: Internal Bus error\n");
+        if (pbci->cc)
+                return fatal_mca(KERN_ALERT "MCA: Cache-cache error\n");
         if (pbci->eb && pbci->bsi > 0)
-                return 0;
+                return fatal_mca(KERN_ALERT "MCA: External bus check fatal status\n");
 
         /*
          * This is a local MCA and estimated as recoverble external bus error.
@@ -609,7 +629,7 @@ recover_from_processor_error(int platform, slidx_table_t *slidx,
         /*
          * On account of strange SAL error record, we cannot recover.
          */
-        return 0;
+        return fatal_mca(KERN_ALERT "MCA: Strange SAL record\n");
 }
 
 /**
@@ -638,12 +658,10 @@ mca_try_to_recover(void *rec, struct ia64_sal_os_state *sos)
 
          /* Now, OS can recover when there is one processor error section */
         if (n_proc_err > 1)
-                return 0;
-        else if (n_proc_err == 0) {
+                return fatal_mca(KERN_ALERT "MCA: Too Many Errors\n");
+        else if (n_proc_err == 0)
                 /* Weird SAL record ... We need not to recover */
-
-                return 1;
-        }
+                return fatal_mca(KERN_ALERT "MCA: Weird SAL record\n");
 
         /* Make index of processor error section */
         mca_make_peidx((sal_log_processor_info_t*)
@@ -654,7 +672,7 @@ mca_try_to_recover(void *rec, struct ia64_sal_os_state *sos)
 
         /* Check whether MCA is global or not */
         if (is_mca_global(&peidx, &pbci, sos))
-                return 0;
+                return fatal_mca(KERN_ALERT "MCA: global MCA\n");
         
         /* Try to recover a processor error */
         return recover_from_processor_error(platform_err, &slidx, &peidx,
diff --git a/arch/ia64/kernel/palinfo.c b/arch/ia64/kernel/palinfo.c
index 6386f63c413e..859fb37ff49b 100644
--- a/arch/ia64/kernel/palinfo.c
+++ b/arch/ia64/kernel/palinfo.c
@@ -959,7 +959,7 @@ remove_palinfo_proc_entries(unsigned int hcpu)
         }
 }
 
-static int __devinit palinfo_cpu_callback(struct notifier_block *nfb,
+static int palinfo_cpu_callback(struct notifier_block *nfb,
                                                                 unsigned long action,
                                                                 void *hcpu)
 {
diff --git a/arch/ia64/kernel/ptrace.c b/arch/ia64/kernel/ptrace.c
index 9887c8787e7a..e61e15e28d8b 100644
--- a/arch/ia64/kernel/ptrace.c
+++ b/arch/ia64/kernel/ptrace.c
@@ -1644,7 +1644,7 @@ syscall_trace_enter (long arg0, long arg1, long arg2, long arg3,
                         arch = AUDIT_ARCH_IA64;
                 }
 
-                audit_syscall_entry(current, arch, syscall, arg0, arg1, arg2, arg3);
+                audit_syscall_entry(arch, syscall, arg0, arg1, arg2, arg3);
         }
 
 }
@@ -1662,7 +1662,7 @@ syscall_trace_leave (long arg0, long arg1, long arg2, long arg3,
 
                 if (success != AUDITSC_SUCCESS)
                         result = -result;
-                audit_syscall_exit(current, success, result);
+                audit_syscall_exit(success, result);
         }
 
         if (test_thread_flag(TIF_SYSCALL_TRACE)
diff --git a/arch/ia64/kernel/salinfo.c b/arch/ia64/kernel/salinfo.c
index 9d5a823479a3..663a186ad194 100644
--- a/arch/ia64/kernel/salinfo.c
+++ b/arch/ia64/kernel/salinfo.c
@@ -572,7 +572,7 @@ static struct file_operations salinfo_data_fops = {
 };
 
 #ifdef  CONFIG_HOTPLUG_CPU
-static int __devinit
+static int
 salinfo_cpu_callback(struct notifier_block *nb, unsigned long action, void *hcpu)
 {
         unsigned int i, cpu = (unsigned long)hcpu;
diff --git a/arch/ia64/kernel/topology.c b/arch/ia64/kernel/topology.c
index b47476d655f1..4f3a16b37f8f 100644
--- a/arch/ia64/kernel/topology.c
+++ b/arch/ia64/kernel/topology.c
@@ -305,13 +305,10 @@ static struct kobj_type cache_ktype_percpu_entry = {
 
 static void __cpuinit cpu_cache_sysfs_exit(unsigned int cpu)
 {
-        if (all_cpu_cache_info[cpu].cache_leaves) {
-                kfree(all_cpu_cache_info[cpu].cache_leaves);
-                all_cpu_cache_info[cpu].cache_leaves = NULL;
-        }
+        kfree(all_cpu_cache_info[cpu].cache_leaves);
+        all_cpu_cache_info[cpu].cache_leaves = NULL;
         all_cpu_cache_info[cpu].num_cache_leaves = 0;
         memset(&all_cpu_cache_info[cpu].kobj, 0, sizeof(struct kobject));
-
         return;
 }
 
@@ -429,7 +426,7 @@ static int __cpuinit cache_remove_dev(struct sys_device * sys_dev)
  * When a cpu is hot-plugged, do a check and initiate
  * cache kobject if necessary
  */
-static int __cpuinit cache_cpu_callback(struct notifier_block *nfb,
+static int cache_cpu_callback(struct notifier_block *nfb,
                 unsigned long action, void *hcpu)
 {
         unsigned int cpu = (unsigned long)hcpu;
diff --git a/arch/ia64/lib/memcpy_mck.S b/arch/ia64/lib/memcpy_mck.S
index 46c9331e7ab5..9e534d52b1d5 100644
--- a/arch/ia64/lib/memcpy_mck.S
+++ b/arch/ia64/lib/memcpy_mck.S
@@ -6,7 +6,9 @@
  *      in1:    source address
  *      in2:    number of bytes to copy
  * Output:
- *      0 if success, or number of byte NOT copied if error occurred.
+ *      for memcpy:    return dest
+ *      for copy_user: return 0 if success,
+ *                     or number of byte NOT copied if error occurred.
  *
  * Copyright (C) 2002 Intel Corp.
  * Copyright (C) 2002 Ken Chen <kenneth.w.chen@intel.com>
@@ -73,6 +75,7 @@ GLOBAL_ENTRY(memcpy)
         and     r28=0x7,in0
         and     r29=0x7,in1
         mov     f6=f0
+        mov     retval=in0
         br.cond.sptk .common_code
         ;;
 END(memcpy)
@@ -84,7 +87,7 @@ GLOBAL_ENTRY(__copy_user)
         mov     f6=f1
         mov     saved_in0=in0   // save dest pointer
         mov     saved_in1=in1   // save src pointer
-        mov     saved_in2=in2   // save len
+        mov     retval=r0       // initialize return value
         ;;
 .common_code:
         cmp.gt  p15,p0=8,in2    // check for small size
@@ -92,7 +95,7 @@ GLOBAL_ENTRY(__copy_user)
         cmp.ne  p14,p0=0,r29    // check src alignment
         add     src0=0,in1
         sub     r30=8,r28       // for .align_dest
-        mov     retval=r0       // initialize return value
+        mov     saved_in2=in2   // save len
         ;;
         add     dst0=0,in0
         add     dst1=1,in0      // dest odd index
diff --git a/arch/ia64/mm/discontig.c b/arch/ia64/mm/discontig.c
index ec9eeb89975d..b6bcc9fa3603 100644
--- a/arch/ia64/mm/discontig.c
+++ b/arch/ia64/mm/discontig.c
@@ -519,6 +519,68 @@ void __cpuinit *per_cpu_init(void)
 }
 #endif /* CONFIG_SMP */
 
+#ifdef CONFIG_VIRTUAL_MEM_MAP
+static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i)
+{
+        unsigned long end_address, hole_next_pfn;
+        unsigned long stop_address;
+
+        end_address = (unsigned long) &vmem_map[pgdat->node_start_pfn + i];
+        end_address = PAGE_ALIGN(end_address);
+
+        stop_address = (unsigned long) &vmem_map[
+                pgdat->node_start_pfn + pgdat->node_spanned_pages];
+
+        do {
+                pgd_t *pgd;
+                pud_t *pud;
+                pmd_t *pmd;
+                pte_t *pte;
+
+                pgd = pgd_offset_k(end_address);
+                if (pgd_none(*pgd)) {
+                        end_address += PGDIR_SIZE;
+                        continue;
+                }
+
+                pud = pud_offset(pgd, end_address);
+                if (pud_none(*pud)) {
+                        end_address += PUD_SIZE;
+                        continue;
+                }
+
+                pmd = pmd_offset(pud, end_address);
+                if (pmd_none(*pmd)) {
+                        end_address += PMD_SIZE;
+                        continue;
+                }
+
+                pte = pte_offset_kernel(pmd, end_address);
+retry_pte:
+                if (pte_none(*pte)) {
+                        end_address += PAGE_SIZE;
+                        pte++;
+                        if ((end_address < stop_address) &&
+                            (end_address != ALIGN(end_address, 1UL << PMD_SHIFT)))
+                                goto retry_pte;
+                        continue;
+                }
+                /* Found next valid vmem_map page */
+                break;
+        } while (end_address < stop_address);
+
+        end_address = min(end_address, stop_address);
+        end_address = end_address - (unsigned long) vmem_map + sizeof(struct page) - 1;
+        hole_next_pfn = end_address / sizeof(struct page);
+        return hole_next_pfn - pgdat->node_start_pfn;
+}
+#else
+static inline int find_next_valid_pfn_for_pgdat(pg_data_t *pgdat, int i)
+{
+        return i + 1;
+}
+#endif
+
 /**
  * show_mem - give short summary of memory stats
  *
@@ -547,8 +609,10 @@ void show_mem(void)
                         struct page *page;
                         if (pfn_valid(pgdat->node_start_pfn + i))
                                 page = pfn_to_page(pgdat->node_start_pfn + i);
-                        else
+                        else {
+                                i = find_next_valid_pfn_for_pgdat(pgdat, i) - 1;
                                 continue;
+                        }
                         if (PageReserved(page))
                                 reserved++;
                         else if (PageSwapCache(page))
diff --git a/arch/ia64/pci/pci.c b/arch/ia64/pci/pci.c
index 9ba32b2d96d0..ab829a22f8a4 100644
--- a/arch/ia64/pci/pci.c
+++ b/arch/ia64/pci/pci.c
@@ -31,7 +31,6 @@
 #include <asm/irq.h>
 #include <asm/hw_irq.h>
 
-
 /*
  * Low-level SAL-based PCI configuration access functions. Note that SAL
  * calls are already serialized (via sal_lock), so we don't need another
@@ -707,7 +706,7 @@ int ia64_pci_legacy_read(struct pci_bus *bus, u16 port, u32 *val, u8 size)
  *
  * Simply writes @size bytes of @val to @port.
  */
-int ia64_pci_legacy_write(struct pci_dev *bus, u16 port, u32 val, u8 size)
+int ia64_pci_legacy_write(struct pci_bus *bus, u16 port, u32 val, u8 size)
 {
         int ret = size;
 
diff --git a/arch/ia64/sn/kernel/sn2/sn_hwperf.c b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
index d917afa30b27..739c948dc504 100644
--- a/arch/ia64/sn/kernel/sn2/sn_hwperf.c
+++ b/arch/ia64/sn/kernel/sn2/sn_hwperf.c
@@ -284,6 +284,8 @@ static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objb
         /* find nearest node with cpus and nearest memory */
         for (router=NULL, j=0; j < op->ports; j++) {
                 dest = sn_hwperf_findobj_id(objbuf, nobj, ptdata[j].conn_id);
+                if (dest && SN_HWPERF_IS_ROUTER(dest))
+                        router = dest;
                 if (!dest || SN_HWPERF_FOREIGN(dest) ||
                     !SN_HWPERF_IS_NODE(dest) || SN_HWPERF_IS_IONODE(dest)) {
                         continue;
@@ -299,8 +301,6 @@ static int sn_hwperf_get_nearest_node_objdata(struct sn_hwperf_object_info *objb
                                 *near_mem_node = c;
                         found_mem++;
                 }
-                if (SN_HWPERF_IS_ROUTER(dest))
-                        router = dest;
         }
 
         if (router && (!found_cpu || !found_mem)) {
@@ -493,7 +493,7 @@ static int sn_topology_show(struct seq_file *s, void *d)
                  * numalink ports
                  */
                 sz = obj->ports * sizeof(struct sn_hwperf_port_info);
-                if ((ptdata = vmalloc(sz)) == NULL)
+                if ((ptdata = kmalloc(sz, GFP_KERNEL)) == NULL)
                         return -ENOMEM;
                 e = ia64_sn_hwperf_op(sn_hwperf_master_nasid,
                                       SN_HWPERF_ENUM_PORTS, obj->id, sz,
@@ -541,7 +541,7 @@ static int sn_topology_show(struct seq_file *s, void *d)
                                 (SN_HWPERF_IS_NL3ROUTER(obj) ||
                                 SN_HWPERF_IS_NL3ROUTER(p)) ?  "LLP3" : "LLP4");
                 }
-                vfree(ptdata);
+                kfree(ptdata);
         }
 
         return 0;
diff --git a/arch/ia64/sn/kernel/xpc_partition.c b/arch/ia64/sn/kernel/xpc_partition.c
index 94211429fd0c..2a89cfce4954 100644
--- a/arch/ia64/sn/kernel/xpc_partition.c
+++ b/arch/ia64/sn/kernel/xpc_partition.c
@@ -136,9 +136,7 @@ xpc_get_rsvd_page_pa(int nasid)
                 }
 
                 if (L1_CACHE_ALIGN(len) > buf_len) {
-                        if (buf_base != NULL) {
-                                kfree(buf_base);
-                        }
+                        kfree(buf_base);
                         buf_len = L1_CACHE_ALIGN(len);
                         buf = (u64) xpc_kmalloc_cacheline_aligned(buf_len,
                                                         GFP_KERNEL, &buf_base);
@@ -159,9 +157,7 @@ xpc_get_rsvd_page_pa(int nasid)
                 }
         }
 
-        if (buf_base != NULL) {
-                kfree(buf_base);
-        }
+        kfree(buf_base);
 
         if (status != SALRET_OK) {
                 rp_pa = 0;
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index fa073cc4b565..833295624e5d 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -682,9 +682,6 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
         int ate_index, last_ate, ps;
         struct tioce *ce_mmr;
 
-        if (!TIOCE_M32_ADDR(base))
-                return;
-
         ce_mmr = (struct tioce *)ce_kern->ce_common->ce_pcibus.bs_base;
         ps = ce_kern->ce_ate3240_pagesize;
         ate_index = ATE_PAGE(base, ps);
@@ -693,6 +690,9 @@ tioce_reserve_m32(struct tioce_kernel *ce_kern, u64 base, u64 limit)
         if (ate_index < 64)
                 ate_index = 64;
 
+        if (last_ate >= TIOCE_NUM_M3240_ATES)
+                last_ate = TIOCE_NUM_M3240_ATES - 1;
+
         while (ate_index <= last_ate) {
                 u64 ate;