diff options
| author | Heiko Carstens <heiko.carstens@de.ibm.com> | 2017-03-20 14:29:50 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2018-05-09 09:50:24 +0200 |
| commit | bce133ab7d4c4799949478fc7897cc335f3042e9 (patch) | |
| tree | 079ffc1fa8aca04e60206c9e18999e30e5c63b00 | |
| parent | a801ff4d8e4e84f8922694ece01193b17fe053bd (diff) | |
s390/facilites: use stfle_fac_list array size for MAX_FACILITY_BIT
commit 6f5165e864d240d15675cc2fb5a369d57e1f60d0 upstream.
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>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
| -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 7a8a1457dbb8..5811e7849a2e 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 void __set_facility(unsigned long nr, void *facilities) { |