#define FIO_ARCH (arch_s390)
-#ifndef __NR_ioprio_set
-#define __NR_ioprio_set 282
-#define __NR_ioprio_get 283
-#endif
-
-#ifndef __NR_fadvise64
-#define __NR_fadvise64 253
-#endif
-
-#ifndef __NR_sys_splice
-#define __NR_sys_splice 306
-#define __NR_sys_tee 308
-#define __NR_sys_vmsplice 309
-#endif
-
#define nop asm volatile("nop" : : : "memory")
#define read_barrier() asm volatile("bcr 15,0" : : : "memory")
#define write_barrier() asm volatile("bcr 15,0" : : : "memory")
-/*
- * Fio needs monotonic (never lower), but not strict monotonic (never the same)
- * so store clock fast is enough
- */
static inline unsigned long long get_cpu_clock(void)
{
unsigned long long clk;
+#ifdef CONFIG_S390_Z196_FACILITIES
+ /*
+ * Fio needs monotonic (never lower), but not strict monotonic (never
+ * the same) so store clock fast is enough.
+ */
__asm__ __volatile__("stckf %0" : "=Q" (clk) : : "cc");
+#else
+ __asm__ __volatile__("stck %0" : "=Q" (clk) : : "cc");
+#endif
return clk>>12;
}
#define ARCH_CPU_CLOCK_CYCLES_PER_USEC 1
#define ARCH_HAVE_CPU_CLOCK
+#undef ARCH_CPU_CLOCK_WRAPS
#define ARCH_HAVE_INIT
extern int tsc_reliable;