t/io_uring: use fio provided memory barriers

[fio.git] / arch / arch-x86_64.h

diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h
index e686d109e762998fbbfbf2c40d8d857ee2ce47ad..0cd21b8f039925bde00261d41650a74ba18844b0 100644 (file)
--- a/arch/arch-x86_64.h
+++ b/arch/arch-x86_64.h
@@ -1,6 +1,16 @@
 #ifndef ARCH_X86_64_H
 #define ARCH_X86_64_H
 
+#ifndef __NR_sys_io_uring_setup
+#define __NR_sys_io_uring_setup                335
+#endif
+#ifndef __NR_sys_io_uring_enter
+#define __NR_sys_io_uring_enter                336
+#endif
+#ifndef __NR_sys_io_uring_register
+#define __NR_sys_io_uring_register     337
+#endif
+
 static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
                            unsigned int *ecx, unsigned int *edx)
 {
@@ -10,15 +20,15 @@ static inline void do_cpuid(unsigned int *eax, unsigned int *ebx,
                : "memory");
 }
 
-#include "arch-x86-common.h"
+#include "arch-x86-common.h" /* IWYU pragma: export */
 
 #define FIO_ARCH       (arch_x86_64)
 
 #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)
 {
@@ -37,6 +47,7 @@ static inline unsigned long long get_cpu_clock(void)
 #define ARCH_HAVE_FFZ
 #define ARCH_HAVE_SSE4_2
 #define ARCH_HAVE_CPU_CLOCK
+#define ARCH_HAVE_IOURING
 
 #define RDRAND_LONG    ".byte 0x48,0x0f,0xc7,0xf0"
 #define RDSEED_LONG    ".byte 0x48,0x0f,0xc7,0xf8"