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-rw-r--r--src/include/port/atomics/fallback.h4
1 files changed, 1 insertions, 3 deletions
diff --git a/src/include/port/atomics/fallback.h b/src/include/port/atomics/fallback.h
index 34cfee110fb..2e3eef4acaf 100644
--- a/src/include/port/atomics/fallback.h
+++ b/src/include/port/atomics/fallback.h
@@ -20,9 +20,7 @@
#ifndef pg_memory_barrier_impl
/*
* If we have no memory barrier implementation for this architecture, we
- * fall back to acquiring and releasing a spinlock. This might, in turn,
- * fall back to the semaphore-based spinlock implementation, which will be
- * amazingly slow.
+ * fall back to acquiring and releasing a spinlock.
*
* It's not self-evident that every possible legal implementation of a
* spinlock acquire-and-release would be equivalent to a full memory barrier.