man/io_uring_enter.2: we no longer EBUSY on mutex trylock failure
@@ -280,9 +280,6 @@ field in the submission queue entry is invalid, or the
flag was set in the submission queue entry, but no files were registered
with the io_uring instance
.TP
-.BR EBUSY
-the io_uring instance is being acted on by another thread
-.TP
.BR EFAULT
buffer is outside of the process' accessible address space
.TP
