Fix refill buffers overwriting verify data

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

diff --git a/arch/arch-x86_64.h b/arch/arch-x86_64.h
index 4e0ad5f6e36ab0dcc3e1c37a461a65470a42a3dd..979c3206185f87334488d60179ff9918e13642cf 100644 (file)
--- a/arch/arch-x86_64.h
+++ b/arch/arch-x86_64.h
@@ -19,19 +19,20 @@
 #endif
 
 #ifndef __NR_async_exec
-#define __NR_async_exec                280
-#define __NR_async_wait                281
-#define __NR_umem_add          282
-#define __NR_async_thread      283
+#define __NR_async_exec                286
+#define __NR_async_wait                287
+#define __NR_umem_add          288
+#define __NR_async_thread      289
 #endif
 
 #define        FIO_HUGE_PAGE           2097152
 
 #define FIO_HAVE_SYSLET
 
-#define nop    __asm__ __volatile__("rep;nop": : :"memory")
+#define nop            __asm__ __volatile__("rep;nop": : :"memory")
+#define read_barrier() asm volatile("lfence":::"memory")
 
-static inline unsigned long ffz(unsigned long bitmask)
+static inline unsigned long fio_ffz(unsigned long bitmask)
 {
        __asm__("bsfq %1,%0" :"=r" (bitmask) :"r" (~bitmask));
        return bitmask;