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-rw-r--r--arch/s390/mm/fault.c34
1 files changed, 10 insertions, 24 deletions
diff --git a/arch/s390/mm/fault.c b/arch/s390/mm/fault.c
index a393c308bb29..f2b9a84dc2bf 100644
--- a/arch/s390/mm/fault.c
+++ b/arch/s390/mm/fault.c
@@ -424,20 +424,13 @@ int pfault_init(void)
424 424
425 if (pfault_disable) 425 if (pfault_disable)
426 return -1; 426 return -1;
427 __asm__ __volatile__( 427 asm volatile(
428 " diag %1,%0,0x258\n" 428 " diag %1,%0,0x258\n"
429 "0: j 2f\n" 429 "0: j 2f\n"
430 "1: la %0,8\n" 430 "1: la %0,8\n"
431 "2:\n" 431 "2:\n"
432 ".section __ex_table,\"a\"\n" 432 EX_TABLE(0b,1b)
433 " .align 4\n" 433 : "=d" (rc) : "a" (&refbk), "m" (refbk) : "cc");
434#ifndef CONFIG_64BIT
435 " .long 0b,1b\n"
436#else /* CONFIG_64BIT */
437 " .quad 0b,1b\n"
438#endif /* CONFIG_64BIT */
439 ".previous"
440 : "=d" (rc) : "a" (&refbk), "m" (refbk) : "cc" );
441 __ctl_set_bit(0, 9); 434 __ctl_set_bit(0, 9);
442 return rc; 435 return rc;
443} 436}
@@ -450,18 +443,11 @@ void pfault_fini(void)
450 if (pfault_disable) 443 if (pfault_disable)
451 return; 444 return;
452 __ctl_clear_bit(0,9); 445 __ctl_clear_bit(0,9);
453 __asm__ __volatile__( 446 asm volatile(
454 " diag %0,0,0x258\n" 447 " diag %0,0,0x258\n"
455 "0:\n" 448 "0:\n"
456 ".section __ex_table,\"a\"\n" 449 EX_TABLE(0b,0b)
457 " .align 4\n" 450 : : "a" (&refbk), "m" (refbk) : "cc");
458#ifndef CONFIG_64BIT
459 " .long 0b,0b\n"
460#else /* CONFIG_64BIT */
461 " .quad 0b,0b\n"
462#endif /* CONFIG_64BIT */
463 ".previous"
464 : : "a" (&refbk), "m" (refbk) : "cc" );
465} 451}
466 452
467asmlinkage void 453asmlinkage void