pkarashchenko commented on a change in pull request #5752:
URL: https://github.com/apache/incubator-nuttx/pull/5752#discussion_r827731503
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File path: arch/arm/src/cxd56xx/cxd56_serial.c
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@@ -1001,9 +1001,13 @@ static void up_txint(FAR struct uart_dev_s *dev, bool
enable)
* interrupts disabled (note this may recurse).
*/
+# ifdef CONFIG_SMP
spin_unlock_irqrestore(&priv->lock, flags);
Review comment:
what about SMP case? The buffer will not be corrupted?
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