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-rw-r--r--kernel/extable.c8
1 files changed, 7 insertions, 1 deletions
diff --git a/kernel/extable.c b/kernel/extable.c
index 5339705b824..fe35a634bf7 100644
--- a/kernel/extable.c
+++ b/kernel/extable.c
@@ -35,10 +35,16 @@ DEFINE_MUTEX(text_mutex);
extern struct exception_table_entry __start___ex_table[];
extern struct exception_table_entry __stop___ex_table[];
+/* Cleared by build time tools if the table is already sorted. */
+u32 __initdata main_extable_sort_needed = 1;
+
/* Sort the kernel's built-in exception table */
void __init sort_main_extable(void)
{
- sort_extable(__start___ex_table, __stop___ex_table);
+ if (main_extable_sort_needed)
+ sort_extable(__start___ex_table, __stop___ex_table);
+ else
+ pr_notice("__ex_table already sorted, skipping sort\n");
}
/* Given an address, look for it in the exception tables. */