vm: add VM_FAULT_SIGSEGV handling support

[pandora-kernel.git] / arch / s390 / mm / fault.c

diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index 0fc0a7e..b53339d 100644 (file)
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -249,6 +249,13 @@ static noinline void do_fault_error(struct pt_regs *regs, long int_code,
                                do_no_context(regs, int_code, trans_exc_code);
                        else
                                pagefault_out_of_memory();
+               } else if (fault & VM_FAULT_SIGSEGV) {
+                       /* Kernel mode? Handle exceptions or die */
+                       if (!user_mode(regs))
+                               do_no_context(regs, int_code, trans_exc_code);
+                       else
+                               do_sigsegv(regs, int_code, SEGV_MAPERR,
+                                          trans_exc_code);
                } else if (fault & VM_FAULT_SIGBUS) {
                        /* Kernel mode? Handle exceptions or die */
                        if (!(regs->psw.mask & PSW_MASK_PSTATE))