diff options
Diffstat (limited to 'arch/s390/mm/fault.c')
| -rw-r--r-- | arch/s390/mm/fault.c | 18 |
1 files changed, 16 insertions, 2 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c index 11613362c4e7..91ce03fd0c84 100644 --- a/arch/s390/mm/fault.c +++ b/arch/s390/mm/fault.c @@ -85,7 +85,7 @@ static inline int notify_page_fault(struct pt_regs *regs) * Find out which address space caused the exception. * Access register mode is impossible, ignore space == 3. */ -static inline enum fault_type get_fault_type(struct pt_regs *regs) +static enum fault_type get_fault_type(struct pt_regs *regs) { unsigned long trans_exc_code; @@ -211,6 +211,8 @@ static void dump_fault_info(struct pt_regs *regs) asce = S390_lowcore.kernel_asce; pr_cont("kernel "); break; + default: + unreachable(); } pr_cont("ASCE.\n"); dump_pagetable(asce, regs->int_parm_long & __FAIL_ADDR_MASK); @@ -247,12 +249,24 @@ static noinline void do_sigsegv(struct pt_regs *regs, int si_code) current); } +const struct exception_table_entry *s390_search_extables(unsigned long addr) +{ + const struct exception_table_entry *fixup; + + fixup = search_extable(__start_dma_ex_table, + __stop_dma_ex_table - __start_dma_ex_table, + addr); + if (!fixup) + fixup = search_exception_tables(addr); + return fixup; +} + static noinline void do_no_context(struct pt_regs *regs) { const struct exception_table_entry *fixup; /* Are we prepared to handle this kernel fault? */ - fixup = search_exception_tables(regs->psw.addr); + fixup = s390_search_extables(regs->psw.addr); if (fixup) { regs->psw.addr = extable_fixup(fixup); return; |