* [liburing patch] barrier.h: add generic smp_mb implementation
@ 2019-11-05 15:33 Jeff Moyer
2019-11-05 15:35 ` Jens Axboe
0 siblings, 1 reply; 2+ messages in thread
From: Jeff Moyer @ 2019-11-05 15:33 UTC (permalink / raw)
To: axboe; +Cc: io-uring
This missing define causes build failures on s390:
src/include/liburing.h:298: undefined reference to `io_uring_smp_mb'
Signed-off-by: Jeff Moyer <[email protected]>
diff --git a/src/include/liburing/barrier.h b/src/include/liburing/barrier.h
index fc40a8a..aca308a 100644
--- a/src/include/liburing/barrier.h
+++ b/src/include/liburing/barrier.h
@@ -76,6 +76,7 @@ do { \
* Add arch appropriate definitions. Be safe and use full barriers for
* archs we don't have support for.
*/
+#define io_uring_smp_mb() __sync_synchronize()
#define io_uring_smp_rmb() __sync_synchronize()
#define io_uring_smp_wmb() __sync_synchronize()
#endif /* defined(__x86_64__) || defined(__i386__) */
^ permalink raw reply related [flat|nested] 2+ messages in thread
end of thread, other threads:[~2019-11-05 15:35 UTC | newest]
Thread overview: 2+ messages (download: mbox.gz follow: Atom feed
-- links below jump to the message on this page --
2019-11-05 15:33 [liburing patch] barrier.h: add generic smp_mb implementation Jeff Moyer
2019-11-05 15:35 ` Jens Axboe
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox