Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee1394...

[pandora-kernel.git] / arch / powerpc / mm / fault.c

diff --git a/arch/powerpc/mm/fault.c b/arch/powerpc/mm/fault.c
index 8135da0..565b7a2 100644 (file)
--- a/arch/powerpc/mm/fault.c
+++ b/arch/powerpc/mm/fault.c
@@ -100,31 +100,6 @@ static int store_updates_sp(struct pt_regs *regs)
        return 0;
 }
 
-#if !(defined(CONFIG_4xx) || defined(CONFIG_BOOKE))
-static void do_dabr(struct pt_regs *regs, unsigned long address,
-                   unsigned long error_code)
-{
-       siginfo_t info;
-
-       if (notify_die(DIE_DABR_MATCH, "dabr_match", regs, error_code,
-                       11, SIGSEGV) == NOTIFY_STOP)
-               return;
-
-       if (debugger_dabr_match(regs))
-               return;
-
-       /* Clear the DABR */
-       set_dabr(0);
-
-       /* Deliver the signal to userspace */
-       info.si_signo = SIGTRAP;
-       info.si_errno = 0;
-       info.si_code = TRAP_HWBKPT;
-       info.si_addr = (void __user *)address;
-       force_sig_info(SIGTRAP, &info, current);
-}
-#endif /* !(CONFIG_4xx || CONFIG_BOOKE)*/
-
 /*
  * For 600- and 800-family processors, the error_code parameter is DSISR
  * for a data fault, SRR1 for an instruction fault. For 400-family processors
@@ -167,10 +142,8 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
        if (notify_page_fault(regs))
                return 0;
 
-       if (trap == 0x300) {
-               if (debugger_fault_handler(regs))
-                       return 0;
-       }
+       if (unlikely(debugger_fault_handler(regs)))
+               return 0;
 
        /* On a kernel SLB miss we can only check for a valid exception entry */
        if (!user_mode(regs) && (address >= TASK_SIZE))
@@ -189,7 +162,7 @@ int __kprobes do_page_fault(struct pt_regs *regs, unsigned long address,
                        return SIGSEGV;
                /* in_atomic() in user mode is really bad,
                   as is current->mm == NULL. */
-               printk(KERN_EMERG "Page fault in user mode with"
+               printk(KERN_EMERG "Page fault in user mode with "
                       "in_atomic() = %d mm = %p\n", in_atomic(), mm);
                printk(KERN_EMERG "NIP = %lx  MSR = %lx\n",
                       regs->nip, regs->msr);
@@ -308,7 +281,8 @@ good_area:
                                        flush_dcache_icache_page(page);
                                        set_bit(PG_arch_1, &page->flags);
                                }
-                               pte_update(ptep, 0, _PAGE_HWEXEC);
+                               pte_update(ptep, 0, _PAGE_HWEXEC |
+                                          _PAGE_ACCESSED);
                                _tlbie(address, mm->context.id);
                                pte_unmap_unlock(ptep, ptl);
                                up_read(&mm->mmap_sem);