diff options
| -rw-r--r-- | arch/s390/include/asm/diag.h | 2 | ||||
| -rw-r--r-- | arch/s390/kernel/diag.c | 2 |
2 files changed, 4 insertions, 0 deletions
diff --git a/arch/s390/include/asm/diag.h b/arch/s390/include/asm/diag.h index fb5a886ff47f..bed804137537 100644 --- a/arch/s390/include/asm/diag.h +++ b/arch/s390/include/asm/diag.h @@ -109,6 +109,8 @@ enum diag204_sc { DIAG204_SUBC_STIB7 = 7 }; +#define DIAG204_SUBCODE_MASK 0xffff + /* The two available diag 204 data formats */ enum diag204_format { DIAG204_INFO_SIMPLE = 0, diff --git a/arch/s390/kernel/diag.c b/arch/s390/kernel/diag.c index cca56b649ca3..f3a0f39cbd6c 100644 --- a/arch/s390/kernel/diag.c +++ b/arch/s390/kernel/diag.c @@ -171,6 +171,8 @@ static inline int __diag204(unsigned long *subcode, unsigned long size, void *ad int diag204(unsigned long subcode, unsigned long size, void *addr) { diag_stat_inc(DIAG_STAT_X204); + if ((subcode & DIAG204_SUBCODE_MASK) == DIAG204_SUBC_STIB4) + addr = (void *)__pa(addr); size = __diag204(&subcode, size, addr); if (subcode) return -1; |