diff options
Diffstat (limited to 'arch/s390/mm/extable.c')
| -rw-r--r-- | arch/s390/mm/extable.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/arch/s390/mm/extable.c b/arch/s390/mm/extable.c index a4eb3d8aae7b..d6ca75570dcf 100644 --- a/arch/s390/mm/extable.c +++ b/arch/s390/mm/extable.c @@ -14,3 +14,18 @@ const struct exception_table_entry *s390_search_extables(unsigned long addr) num = __stop_amode31_ex_table - __start_amode31_ex_table; return search_extable(__start_amode31_ex_table, num, addr); } + +bool fixup_exception(struct pt_regs *regs) +{ + const struct exception_table_entry *ex; + ex_handler_t handler; + + ex = s390_search_extables(instruction_pointer(regs)); + if (!ex) + return false; + handler = ex_fixup_handler(ex); + if (unlikely(handler)) + return handler(ex, regs); + regs->psw.addr = extable_fixup(ex); + return true; +} |