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authorRickard Green <[email protected]>2010-06-01 13:50:50 +0000
committerErlang/OTP <[email protected]>2010-06-01 13:50:50 +0000
commitb53f8a67649a371a38dc6d97b0dfe52111236a3e (patch)
treeae954fdc12817e287dab6cdce7030c9d54e83219 /erts/include/internal/tile
parent6999e909a9ad22d90b64263fd5edd186ac93a990 (diff)
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OTP-8658 Add missing memory barriers in erts_poll()
Missing memory barriers in erts_poll() could cause the runtime system to hang indefinitely.
Diffstat (limited to 'erts/include/internal/tile')
-rw-r--r--erts/include/internal/tile/atomic.h2
1 files changed, 2 insertions, 0 deletions
diff --git a/erts/include/internal/tile/atomic.h b/erts/include/internal/tile/atomic.h
index 59a9250e7c..5e4c7ac9fe 100644
--- a/erts/include/internal/tile/atomic.h
+++ b/erts/include/internal/tile/atomic.h
@@ -32,6 +32,8 @@ typedef struct {
volatile long counter;
} ethr_native_atomic_t;
+#define ETHR_MEMORY_BARRIER __insn_mf()
+
#ifdef ETHR_TRY_INLINE_FUNCS
static ETHR_INLINE void