#ifndef ARCH_X86_64_H
#define ARCH_X86_64_H
-#ifndef __NR_sys_io_setup2
-#define __NR_sys_io_setup2 335
-#endif
-#ifndef __NR_sys_io_ring_enter
-#define __NR_sys_io_ring_enter 336
-#endif
-
static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
unsigned int *ecx, unsigned int *edx)
{
#define FIO_HUGE_PAGE 2097152
#define nop __asm__ __volatile__("rep;nop": : :"memory")
-#define read_barrier() __asm__ __volatile__("lfence":::"memory")
-#define write_barrier() __asm__ __volatile__("sfence":::"memory")
+#define read_barrier() __asm__ __volatile__("":::"memory")
+#define write_barrier() __asm__ __volatile__("":::"memory")
static inline unsigned long arch_ffz(unsigned long bitmask)
{