diff options
Diffstat (limited to 'arch/s390')
| -rw-r--r-- | arch/s390/hypfs/hypfs_vm.c | 2 | ||||
| -rw-r--r-- | arch/s390/include/asm/timex.h | 10 |
2 files changed, 7 insertions, 5 deletions
diff --git a/arch/s390/hypfs/hypfs_vm.c b/arch/s390/hypfs/hypfs_vm.c index 32040ace00ea..afbe07907c10 100644 --- a/arch/s390/hypfs/hypfs_vm.c +++ b/arch/s390/hypfs/hypfs_vm.c @@ -231,7 +231,7 @@ failed: struct dbfs_d2fc_hdr { u64 len; /* Length of d2fc buffer without header */ u16 version; /* Version of header */ - char tod_ext[16]; /* TOD clock for d2fc */ + char tod_ext[STORE_CLOCK_EXT_SIZE]; /* TOD clock for d2fc */ u64 count; /* Number of VM guests in d2fc buffer */ char reserved[30]; } __attribute__ ((packed)); diff --git a/arch/s390/include/asm/timex.h b/arch/s390/include/asm/timex.h index 8beee1cceba4..98eb2a579223 100644 --- a/arch/s390/include/asm/timex.h +++ b/arch/s390/include/asm/timex.h @@ -67,20 +67,22 @@ static inline void local_tick_enable(unsigned long long comp) set_clock_comparator(S390_lowcore.clock_comparator); } -#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ +#define CLOCK_TICK_RATE 1193180 /* Underlying HZ */ +#define STORE_CLOCK_EXT_SIZE 16 /* stcke writes 16 bytes */ typedef unsigned long long cycles_t; -static inline void get_tod_clock_ext(char clk[16]) +static inline void get_tod_clock_ext(char *clk) { - typedef struct { char _[sizeof(clk)]; } addrtype; + typedef struct { char _[STORE_CLOCK_EXT_SIZE]; } addrtype; asm volatile("stcke %0" : "=Q" (*(addrtype *) clk) : : "cc"); } static inline unsigned long long get_tod_clock(void) { - unsigned char clk[16]; + unsigned char clk[STORE_CLOCK_EXT_SIZE]; + get_tod_clock_ext(clk); return *((unsigned long long *)&clk[1]); } |
