With -ffunction-section the entries in __dbe_table aren't no longer sorted, so the lookup of exception addresses in do_be() failed for some addresses. To avoid this we now sort __dbe_table. Signed-off-by: Thomas Bogendoerfer <tsbogend@xxxxxxxxxxxxxxxx> --- arch/mips/kernel/traps.c | 6 ++++-- 1 files changed, 4 insertions(+), 2 deletions(-) diff --git a/arch/mips/kernel/traps.c b/arch/mips/kernel/traps.c index 426cced..1f579a8 100644 --- a/arch/mips/kernel/traps.c +++ b/arch/mips/kernel/traps.c @@ -373,8 +373,8 @@ void __noreturn die(const char * str, const struct pt_regs * regs) do_exit(SIGSEGV); } -extern const struct exception_table_entry __start___dbe_table[]; -extern const struct exception_table_entry __stop___dbe_table[]; +extern struct exception_table_entry __start___dbe_table[]; +extern struct exception_table_entry __stop___dbe_table[]; __asm__( " .section __dbe_table, \"a\"\n" @@ -1682,4 +1682,6 @@ void __init trap_init(void) flush_icache_range(ebase, ebase + 0x400); flush_tlb_handlers(); + + sort_extable(__start___dbe_table, __stop___dbe_table); }
