Add x86 32-bit support

Signed-off-by: Jens Axboe <axboe@kernel.dk>
2019-01-13 11:03:04 -07:00
parent 4fe9645fa4
commit 89167b457f
2 changed files with 13 additions and 0 deletions
--- a/src/barrier.h
+++ b/src/barrier.h
@@ -4,6 +4,9 @@
 #if defined(__x86_64)
 #define read_barrier()	__asm__ __volatile__("lfence":::"memory")
 #define write_barrier()	__asm__ __volatile__("sfence":::"memory")
+#elif defined(__i386__)
+#define read_barrier()	__asm__ __volatile__("": : :"memory")
+#define write_barrier()	__asm__ __volatile__("": : :"memory")
 #else
 /*
 * Add arch appropriate definitions. Be safe and use full barriers for