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-rw-r--r--newdevice.tex5
1 files changed, 3 insertions, 2 deletions
diff --git a/newdevice.tex b/newdevice.tex
index c7e6221..28e1c7b 100644
--- a/newdevice.tex
+++ b/newdevice.tex
@@ -22,8 +22,9 @@ configuration information (the network device does this for filtering,
otherwise the table in the config space could potentially be very
large).
-Remember that configuration fields over 32 bits wide might not be
-atomically writable by the driver.
+Remember that configuration fields over 32 bits wide might not be atomically
+writable by the driver. Therefore, no writeable field which triggers an
+action ought to be wider than 32 bits.
\section{What Device Number?}\label{sec:Creating New Device Types / What Device Number?}