Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc

* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (92 commits)
  powerpc: Remove unused 'protect4gb' boot parameter
  powerpc: Build-in e1000e for pseries & ppc64_defconfig
  powerpc/pseries: Make request_ras_irqs() available to other pseries code
  powerpc/numa: Use ibm,architecture-vec-5 to detect form 1 affinity
  powerpc/numa: Set a smaller value for RECLAIM_DISTANCE to enable zone reclaim
  powerpc: Use smt_snooze_delay=-1 to always busy loop
  powerpc: Remove check of ibm,smt-snooze-delay OF property
  powerpc/kdump: Fix race in kdump shutdown
  powerpc/kexec: Fix race in kexec shutdown
  powerpc/kexec: Speedup kexec hash PTE tear down
  powerpc/pseries: Add hcall to read 4 ptes at a time in real mode
  powerpc: Use more accurate limit for first segment memory allocations
  powerpc/kdump: Use chip->shutdown to disable IRQs
  powerpc/kdump: CPUs assume the context of the oopsing CPU
  powerpc/crashdump: Do not fail on NULL pointer dereferencing
  powerpc/eeh: Fix oops when probing in early boot
  powerpc/pci: Check devices status property when scanning OF tree
  powerpc/vio: Switch VIO Bus PM to use generic helpers
  powerpc: Avoid bad relocations in iSeries code
  powerpc: Use common cpu_die (fixes SMP+SUSPEND build)
  ...

1 files changed, 7 insertions, 12 deletions

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 26fb6b990b0a..1bd712c33ce2 100644
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -151,13 +151,14 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
         if (!user_mode(regs) && (address >= TASK_SIZE))
                 return SIGSEGV;
 
-#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
+#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE) || \
+                             defined(CONFIG_PPC_BOOK3S_64))
         if (error_code & DSISR_DABRMATCH) {
                 /* DABR match */
                 do_dabr(regs, address, error_code);
                 return 0;
         }
-#endif /* !(CONFIG_4xx || CONFIG_BOOKE)*/
+#endif
 
         if (in_atomic() || mm == NULL) {
                 if (!user_mode(regs))
@@ -307,7 +308,6 @@ good_area:
          * make sure we exit gracefully rather than endlessly redo
          * the fault.
          */
- survive:
         ret = handle_mm_fault(mm, vma, address, is_write ? FAULT_FLAG_WRITE : 0);
         if (unlikely(ret & VM_FAULT_ERROR)) {
                 if (ret & VM_FAULT_OOM)
@@ -359,15 +359,10 @@ bad_area_nosemaphore:
  */
 out_of_memory:
         up_read(&mm->mmap_sem);
-        if (is_global_init(current)) {
-                yield();
-                down_read(&mm->mmap_sem);
-                goto survive;
-        }
-        printk("VM: killing process %s\n", current->comm);
-        if (user_mode(regs))
-                do_group_exit(SIGKILL);
-        return SIGKILL;
+        if (!user_mode(regs))
+                return SIGKILL;
+        pagefault_out_of_memory();
+        return 0;
 
 do_sigbus:
         up_read(&mm->mmap_sem);