diff options
Diffstat (limited to 'arch/s390/kernel/nmi.c')
| -rw-r--r-- | arch/s390/kernel/nmi.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/arch/s390/kernel/nmi.c b/arch/s390/kernel/nmi.c index 15e28eefe7e9..eb3e702cee30 100644 --- a/arch/s390/kernel/nmi.c +++ b/arch/s390/kernel/nmi.c @@ -107,6 +107,7 @@ EXPORT_SYMBOL_GPL(s390_handle_mcck); */ static int notrace s390_validate_registers(union mci mci, int umode) { + union ctlreg2 cr2; int kill_task; u64 zero; void *fpt_save_area; @@ -231,7 +232,8 @@ static int notrace s390_validate_registers(union mci mci, int umode) kill_task = 1; } /* Validate guarded storage registers */ - if (MACHINE_HAS_GS && (S390_lowcore.cregs_save_area[2] & (1UL << 4))) { + cr2.val = S390_lowcore.cregs_save_area[2]; + if (cr2.gse) { if (!mci.gs) /* * Guarded storage register can't be restored and |