Allocate file structure from shared process pool

[fio.git] / arch / arch-x86.h

diff --git a/arch/arch-x86.h b/arch/arch-x86.h
index 7bb8ffb9849bcda446a7bcfa89c81d3a451cd121..343e51ab5b0853a5ea94f3f1f3a6f5e4033ad922 100644 (file)
--- a/arch/arch-x86.h
+++ b/arch/arch-x86.h
@@ -29,7 +29,8 @@
 
 #define FIO_HAVE_SYSLET
 
-#define nop    __asm__ __volatile__("rep;nop": : :"memory")
+#define nop            __asm__ __volatile__("rep;nop": : :"memory")
+#define read_barrier() asm volatile ("": : :"memory")
 
 static inline unsigned long fio_ffz(unsigned long bitmask)
 {