diff --git a/kernel/extable.c b/kernel/extable.c index 5339705b8241..fe35a634bf76 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. */