Add write barriers
And enable them in solarisaio, then it should be safe to use the
signal driven IO "interrupts".
Signed-off-by: Jens Axboe <jens.axboe@oracle.com>
diff --git a/arch/arch-x86.h b/arch/arch-x86.h
index a396c85..97262ff 100644
--- a/arch/arch-x86.h
+++ b/arch/arch-x86.h
@@ -30,7 +30,8 @@
#define FIO_HAVE_SYSLET
#define nop __asm__ __volatile__("rep;nop": : :"memory")
-#define read_barrier() asm volatile ("": : :"memory")
+#define read_barrier() __asm__ __volatile__("": : :"memory")
+#define write_barrier() __asm__ __volatile__("": : :"memory")
static inline unsigned long arch_ffz(unsigned long bitmask)
{