12 files changed, 81 insertions, 39 deletions

diff --git a/arch/ia64/hp/common/sba_iommu.c b/arch/ia64/hp/common/sba_iommu.c
index bc859a311e..45bf04eb7d 100644
--- a/arch/ia64/hp/common/sba_iommu.c
+++ b/arch/ia64/hp/common/sba_iommu.c
@@ -2034,7 +2034,8 @@ sba_init(void)
         if (!ia64_platform_is("hpzx1") && !ia64_platform_is("hpzx1_swiotlb"))
                 return 0;
 
-#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP)
+#if defined(CONFIG_IA64_GENERIC) && defined(CONFIG_CRASH_DUMP) && \
+        defined(CONFIG_PROC_FS)
         /* If we are booting a kdump kernel, the sba_iommu will
          * cause devices that were not shutdown properly to MCA
          * as soon as they are turned back on.  Our only option for
diff --git a/arch/ia64/ia32/binfmt_elf32.c b/arch/ia64/ia32/binfmt_elf32.c
index f6ae3ec938..3e35987af4 100644
--- a/arch/ia64/ia32/binfmt_elf32.c
+++ b/arch/ia64/ia32/binfmt_elf32.c
@@ -52,33 +52,29 @@ extern struct page *ia32_shared_page[];
 extern unsigned long *ia32_gdt;
 extern struct page *ia32_gate_page;
 
-struct page *
-ia32_install_shared_page (struct vm_area_struct *vma, unsigned long address, int *type)
+int
+ia32_install_shared_page (struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-        struct page *pg = ia32_shared_page[smp_processor_id()];
-        get_page(pg);
-        if (type)
-                *type = VM_FAULT_MINOR;
-        return pg;
+        vmf->page = ia32_shared_page[smp_processor_id()];
+        get_page(vmf->page);
+        return 0;
 }
 
-struct page *
-ia32_install_gate_page (struct vm_area_struct *vma, unsigned long address, int *type)
+int
+ia32_install_gate_page (struct vm_area_struct *vma, struct vm_fault *vmf)
 {
-        struct page *pg = ia32_gate_page;
-        get_page(pg);
-        if (type)
-                *type = VM_FAULT_MINOR;
-        return pg;
+        vmf->page = ia32_gate_page;
+        get_page(vmf->page);
+        return 0;
 }
 
 
 static struct vm_operations_struct ia32_shared_page_vm_ops = {
-        .nopage = ia32_install_shared_page
+        .fault = ia32_install_shared_page
 };
 
 static struct vm_operations_struct ia32_gate_page_vm_ops = {
-        .nopage = ia32_install_gate_page
+        .fault = ia32_install_gate_page
 };
 
 void
diff --git a/arch/ia64/kernel/head.S b/arch/ia64/kernel/head.S
index 4e5e27540e..d3a41d5f8d 100644
--- a/arch/ia64/kernel/head.S
+++ b/arch/ia64/kernel/head.S
@@ -1176,6 +1176,7 @@ tlb_purge_done:
         RESTORE_REG(cr.dcr, r25, r17);;
         RESTORE_REG(cr.iva, r25, r17);;
         RESTORE_REG(cr.pta, r25, r17);;
+        srlz.d;;        // required not to violate RAW dependency
         RESTORE_REG(cr.itv, r25, r17);;
         RESTORE_REG(cr.pmv, r25, r17);;
         RESTORE_REG(cr.cmcv, r25, r17);;
diff --git a/arch/ia64/kernel/irq_ia64.c b/arch/ia64/kernel/irq_ia64.c
index 00a4599e5f..0b52f19ed0 100644
--- a/arch/ia64/kernel/irq_ia64.c
+++ b/arch/ia64/kernel/irq_ia64.c
@@ -200,7 +200,7 @@ assign_irq_vector (int irq)
 {
         unsigned long flags;
         int vector, cpu;
-        cpumask_t domain;
+        cpumask_t domain = CPU_MASK_NONE;
 
         vector = -ENOSPC;
 
@@ -340,7 +340,7 @@ int create_irq(void)
 {
         unsigned long flags;
         int irq, vector, cpu;
-        cpumask_t domain;
+        cpumask_t domain = CPU_MASK_NONE;
 
         irq = vector = -ENOSPC;
         spin_lock_irqsave(&vector_lock, flags);
diff --git a/arch/ia64/kernel/mca.c b/arch/ia64/kernel/mca.c
index 10b48cd15a..6dbf5919d2 100644
--- a/arch/ia64/kernel/mca.c
+++ b/arch/ia64/kernel/mca.c
@@ -75,6 +75,7 @@
 #include <linux/workqueue.h>
 #include <linux/cpumask.h>
 #include <linux/kdebug.h>
+#include <linux/cpu.h>
 
 #include <asm/delay.h>
 #include <asm/machvec.h>
@@ -1813,6 +1814,36 @@ ia64_mca_cpu_init(void *cpu_data)
                                                               PAGE_KERNEL));
 }
 
+static void __cpuinit ia64_mca_cmc_vector_adjust(void *dummy)
+{
+        unsigned long flags;
+
+        local_irq_save(flags);
+        if (!cmc_polling_enabled)
+                ia64_mca_cmc_vector_enable(NULL);
+        local_irq_restore(flags);
+}
+
+static int __cpuinit mca_cpu_callback(struct notifier_block *nfb,
+                                      unsigned long action,
+                                      void *hcpu)
+{
+        int hotcpu = (unsigned long) hcpu;
+
+        switch (action) {
+        case CPU_ONLINE:
+        case CPU_ONLINE_FROZEN:
+                smp_call_function_single(hotcpu, ia64_mca_cmc_vector_adjust,
+                                         NULL, 1, 0);
+                break;
+        }
+        return NOTIFY_OK;
+}
+
+static struct notifier_block mca_cpu_notifier __cpuinitdata = {
+        .notifier_call = mca_cpu_callback
+};
+
 /*
  * ia64_mca_init
  *
@@ -1996,6 +2027,8 @@ ia64_mca_late_init(void)
         if (!mca_init)
                 return 0;
 
+        register_hotcpu_notifier(&mca_cpu_notifier);
+
         /* Setup the CMCI/P vector and handler */
         init_timer(&cmc_poll_timer);
         cmc_poll_timer.function = ia64_mca_cmc_poll;
diff --git a/arch/ia64/kernel/process.c b/arch/ia64/kernel/process.c
index 2418289ee5..7377d32313 100644
--- a/arch/ia64/kernel/process.c
+++ b/arch/ia64/kernel/process.c
@@ -27,6 +27,7 @@
 #include <linux/interrupt.h>
 #include <linux/delay.h>
 #include <linux/kdebug.h>
+#include <linux/utsname.h>
 
 #include <asm/cpu.h>
 #include <asm/delay.h>
@@ -107,8 +108,9 @@ show_regs (struct pt_regs *regs)
         print_modules();
         printk("\nPid: %d, CPU %d, comm: %20s\n", task_pid_nr(current),
                         smp_processor_id(), current->comm);
-        printk("psr : %016lx ifs : %016lx ip  : [<%016lx>]    %s\n",
-               regs->cr_ipsr, regs->cr_ifs, ip, print_tainted());
+        printk("psr : %016lx ifs : %016lx ip  : [<%016lx>]    %s (%s)\n",
+               regs->cr_ipsr, regs->cr_ifs, ip, print_tainted(),
+               init_utsname()->release);
         print_symbol("ip is at %s\n", ip);
         printk("unat: %016lx pfs : %016lx rsc : %016lx\n",
                regs->ar_unat, regs->ar_pfs, regs->ar_rsc);
@@ -737,6 +739,7 @@ flush_thread (void)
                 ia32_drop_ia64_partial_page_list(current);
                 current->thread.task_size = IA32_PAGE_OFFSET;
                 set_fs(USER_DS);
+                memset(current->thread.tls_array, 0, sizeof(current->thread.tls_array));
         }
 #endif
 }
diff --git a/arch/ia64/kernel/signal.c b/arch/ia64/kernel/signal.c
index 4c730099d5..309da3567b 100644
--- a/arch/ia64/kernel/signal.c
+++ b/arch/ia64/kernel/signal.c
@@ -280,15 +280,7 @@ setup_sigcontext (struct sigcontext __user *sc, sigset_t *mask, struct sigscratc
         err |= __copy_to_user(&sc->sc_gr[15], &scr->pt.r15, 8);         /* r15 */
         err |= __put_user(scr->pt.cr_iip + ia64_psr(&scr->pt)->ri, &sc->sc_ip);
 
-        if (flags & IA64_SC_FLAG_IN_SYSCALL) {
-                /* Clear scratch registers if the signal interrupted a system call. */
-                err |= __put_user(0, &sc->sc_ar_ccv);                           /* ar.ccv */
-                err |= __put_user(0, &sc->sc_br[7]);                            /* b7 */
-                err |= __put_user(0, &sc->sc_gr[14]);                           /* r14 */
-                err |= __clear_user(&sc->sc_ar25, 2*8);                 /* ar.csd & ar.ssd */
-                err |= __clear_user(&sc->sc_gr[2], 2*8);                        /* r2-r3 */
-                err |= __clear_user(&sc->sc_gr[16], 16*8);                      /* r16-r31 */
-        } else {
+        if (!(flags & IA64_SC_FLAG_IN_SYSCALL)) {
                 /* Copy scratch regs to sigcontext if the signal didn't interrupt a syscall. */
                 err |= __put_user(scr->pt.ar_ccv, &sc->sc_ar_ccv);              /* ar.ccv */
                 err |= __put_user(scr->pt.b7, &sc->sc_br[7]);                   /* b7 */
diff --git a/arch/ia64/kernel/uncached.c b/arch/ia64/kernel/uncached.c
index a7be4f2034..2a90c32024 100644
--- a/arch/ia64/kernel/uncached.c
+++ b/arch/ia64/kernel/uncached.c
@@ -118,7 +118,7 @@ static int uncached_add_chunk(struct uncached_pool *uc_pool, int nid)
         for (i = 0; i < (IA64_GRANULE_SIZE / PAGE_SIZE); i++)
                 SetPageUncached(&page[i]);
 
-        flush_tlb_kernel_range(uc_addr, uc_adddr + IA64_GRANULE_SIZE);
+        flush_tlb_kernel_range(uc_addr, uc_addr + IA64_GRANULE_SIZE);
 
         status = ia64_pal_prefetch_visibility(PAL_VISIBILITY_PHYSICAL);
         if (status == PAL_VISIBILITY_OK_REMOTE_NEEDED) {
diff --git a/arch/ia64/mm/tlb.c b/arch/ia64/mm/tlb.c
index cef164729d..655da240d1 100644
--- a/arch/ia64/mm/tlb.c
+++ b/arch/ia64/mm/tlb.c
@@ -10,6 +10,7 @@
  *              IPI based ptc implementation and A-step IPI implementation.
  * Rohit Seth <rohit.seth@intel.com>
  * Ken Chen <kenneth.w.chen@intel.com>
+ * Christophe de Dinechin <ddd@hp.com>: Avoid ptc.e on memory allocation
  */
 #include <linux/module.h>
 #include <linux/init.h>
@@ -89,9 +90,16 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start,
 {
         static DEFINE_SPINLOCK(ptcg_lock);
 
-        if (mm != current->active_mm || !current->mm) {
-                flush_tlb_all();
-                return;
+        struct mm_struct *active_mm = current->active_mm;
+
+        if (mm != active_mm) {
+                /* Restore region IDs for mm */
+                if (mm && active_mm) {
+                        activate_context(mm);
+                } else {
+                        flush_tlb_all();
+                        return;
+                }
         }
 
         /* HW requires global serialization of ptc.ga.  */
@@ -107,6 +115,10 @@ ia64_global_tlb_purge (struct mm_struct *mm, unsigned long start,
                 } while (start < end);
         }
         spin_unlock(&ptcg_lock);
+
+        if (mm != active_mm) {
+                activate_context(active_mm);
+        }
 }
 
 void
diff --git a/arch/ia64/sn/kernel/bte.c b/arch/ia64/sn/kernel/bte.c
index b362d6d6a8..9456d40340 100644
--- a/arch/ia64/sn/kernel/bte.c
+++ b/arch/ia64/sn/kernel/bte.c
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2000-2006 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2007 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
 #include <linux/module.h>
@@ -227,7 +227,7 @@ retry_bteop:
                      BTE_LNSTAT_LOAD(bte), *bte->most_rcnt_na));
 
         if (transfer_stat & IBLS_ERROR) {
-                bte_status = transfer_stat & ~IBLS_ERROR;
+                bte_status = BTE_GET_ERROR_STATUS(transfer_stat);
         } else {
                 bte_status = BTE_SUCCESS;
         }
diff --git a/arch/ia64/sn/kernel/bte_error.c b/arch/ia64/sn/kernel/bte_error.c
index 27c5936ccf..4cb09f3f1e 100644
--- a/arch/ia64/sn/kernel/bte_error.c
+++ b/arch/ia64/sn/kernel/bte_error.c
@@ -3,7 +3,7 @@
  * License.  See the file "COPYING" in the main directory of this archive
  * for more details.
  *
- * Copyright (c) 2000-2005 Silicon Graphics, Inc.  All Rights Reserved.
+ * Copyright (c) 2000-2007 Silicon Graphics, Inc.  All Rights Reserved.
  */
 
 #include <linux/types.h>
@@ -148,7 +148,11 @@ int shub2_bte_error_handler(unsigned long _nodepda)
         for (i = 0; i < BTES_PER_NODE; i++) {
                 bte = &err_nodepda->bte_if[i];
                 status = BTE_LNSTAT_LOAD(bte);
-                if ((status & IBLS_ERROR) || !(status & IBLS_BUSY))
+                if (status & IBLS_ERROR) {
+                        bte->bh_error = BTE_SHUB2_ERROR(status);
+                        continue;
+                }
+                if (!(status & IBLS_BUSY))
                         continue;
                 mod_timer(recovery_timer, jiffies + (HZ * 5));
                 BTE_PRINTK(("eh:%p:%d Marked Giving up\n", err_nodepda,
diff --git a/arch/ia64/sn/pci/tioce_provider.c b/arch/ia64/sn/pci/tioce_provider.c
index cee9379d44..e1a3e19d3d 100644
--- a/arch/ia64/sn/pci/tioce_provider.c
+++ b/arch/ia64/sn/pci/tioce_provider.c
@@ -41,7 +41,7 @@
  *      } else
  *              do desired mmr access
  *
- * According to hw, we can use reads instead of writes to the above addres
+ * According to hw, we can use reads instead of writes to the above address
  *
  * Note this WAR can only to be used for accessing internal MMR's in the
  * TIOCE Coretalk Address Range 0x0 - 0x07ff_ffff.  This includes the