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From: Jeff Moyer <[email protected]>
To: [email protected]
Cc: [email protected]
Subject: [liburing patch] barrier.h: add generic smp_mb implementation
Date: Tue, 05 Nov 2019 10:33:19 -0500	[thread overview]
Message-ID: <[email protected]> (raw)

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__) */


             reply	other threads:[~2019-11-05 15:33 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-05 15:33 Jeff Moyer [this message]
2019-11-05 15:35 ` [liburing patch] barrier.h: add generic smp_mb implementation Jens Axboe

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