diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2017-03-20 14:29:50 +0100 |
|---|---|---|
| committer | Martin Schwidefsky <schwidefsky@de.ibm.com> | 2017-03-22 08:29:17 +0100 |
| commit | 6f5165e864d240d15675cc2fb5a369d57e1f60d0 (patch) | |
| tree | 8986322ab75de8ca14ea1d3f8363447e0df15a0e | |
| parent | cdd3bd9d618d7a4a3920a193e20ca40736b878e9 (diff) | |
s390/facilites: use stfle_fac_list array size for MAX_FACILITY_BIT
Use the actual size of the facility list array within the lowcore
structure for the MAX_FACILITY_BIT define instead of a comment which
states what this is good for. This makes it a bit harder to break
things.
Signed-off-by: Heiko Carstens <heiko.carstens@de.ibm.com>
Signed-off-by: Martin Schwidefsky <schwidefsky@de.ibm.com>
| -rw-r--r-- | arch/s390/include/asm/facility.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/arch/s390/include/asm/facility.h b/arch/s390/include/asm/facility.h index 09b406db7529..aead78b5da7e 100644 --- a/arch/s390/include/asm/facility.h +++ b/arch/s390/include/asm/facility.h @@ -15,7 +15,7 @@ #include <linux/preempt.h> #include <asm/lowcore.h> -#define MAX_FACILITY_BIT (256*8) /* stfle_fac_list has 256 bytes */ +#define MAX_FACILITY_BIT (sizeof(((struct lowcore *)0)->stfle_fac_list) * 8) static inline int __test_facility(unsigned long nr, void *facilities) { |