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

[GitHub/mt8127/android_kernel_alcatel_ttab.git] / arch / ia64 / kernel / unaligned.c

diff --git a/arch/ia64/kernel/unaligned.c b/arch/ia64/kernel/unaligned.c
index ff0e7c10faa7222d48964d355bf3322b45506800..6db08599ebbc551a372782a90dedf730ae2ca143 100644 (file)
--- a/arch/ia64/kernel/unaligned.c
+++ b/arch/ia64/kernel/unaligned.c
@@ -59,6 +59,7 @@ dump (const char *str, void *vp, size_t len)
  *  (i.e. don't allow attacker to fill up logs with unaligned accesses).
  */
 int no_unaligned_warning;
+int unaligned_dump_stack;
 static int noprint_warning;
 
 /*
@@ -1371,9 +1372,12 @@ ia64_handle_unaligned (unsigned long ifa, struct pt_regs *regs)
                        }
                }
        } else {
-               if (within_logging_rate_limit())
+               if (within_logging_rate_limit()) {
                        printk(KERN_WARNING "kernel unaligned access to 0x%016lx, ip=0x%016lx\n",
                               ifa, regs->cr_iip + ipsr->ri);
+                       if (unaligned_dump_stack)
+                               dump_stack();
+               }
                set_fs(KERNEL_DS);
        }