Merge git://git.denx.de/u-boot-net

[oweals/u-boot.git] / README

diff --git a/README b/README
index a1f41f3519bf4ca0e2ab43fa13100309e4bd0875..a96dd428cbbe5644514469d2fa9dd76812ff4ec6 100644 (file)
--- a/README
+++ b/README
@@ -948,6 +948,9 @@ The following options need to be configured:
                bytes are output before the console is initialised, the
                earlier bytes are discarded.
 
+               Note that when printing the buffer a copy is made on the
+               stack so CONFIG_PRE_CON_BUF_SZ must fit on the stack.
+
                'Sane' compilers will generate smaller code if
                CONFIG_PRE_CON_BUF_SZ is a power of 2