Merge branch 'misc' of master.kernel.org:/pub/scm/linux/kernel/git/galak/powerpc...

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

diff --git a/arch/mips/mm/fault.c b/arch/mips/mm/fault.c
index 0eb4315..e3a6172 100644 (file)
--- a/arch/mips/mm/fault.c
+++ b/arch/mips/mm/fault.c
@@ -141,7 +141,7 @@ bad_area_nosemaphore:
                info.si_signo = SIGSEGV;
                info.si_errno = 0;
                /* info.si_code has been set above */
-               info.si_addr = (void *) address;
+               info.si_addr = (void __user *) address;
                force_sig_info(SIGSEGV, &info, tsk);
                return;
        }
@@ -157,7 +157,6 @@ no_context:
         * Oops. The kernel tried to access some bad page. We'll have to
         * terminate things with extreme prejudice.
         */
-
        bust_spinlocks(1);
 
        printk(KERN_ALERT "CPU %d Unable to handle kernel paging request at "
@@ -188,20 +187,28 @@ do_sigbus:
        /* Kernel mode? Handle exceptions or die */
        if (!user_mode(regs))
                goto no_context;
-
+       else
        /*
         * Send a sigbus, regardless of whether we were in kernel
         * or user mode.
         */
+#if 0
+               printk("do_page_fault() #3: sending SIGBUS to %s for "
+                      "invalid %s\n%0*lx (epc == %0*lx, ra == %0*lx)\n",
+                      tsk->comm,
+                      write ? "write access to" : "read access from",
+                      field, address,
+                      field, (unsigned long) regs->cp0_epc,
+                      field, (unsigned long) regs->regs[31]);
+#endif
        tsk->thread.cp0_badvaddr = address;
        info.si_signo = SIGBUS;
        info.si_errno = 0;
        info.si_code = BUS_ADRERR;
-       info.si_addr = (void *) address;
+       info.si_addr = (void __user *) address;
        force_sig_info(SIGBUS, &info, tsk);
 
        return;
-
 vmalloc_fault:
        {
                /*