summaryrefslogtreecommitdiffstats
path: root/README
diff options
context:
space:
mode:
Diffstat (limited to 'README')
-rw-r--r--README3
1 files changed, 3 insertions, 0 deletions
diff --git a/README b/README
index 1ea397a35c..2e81ccc37c 100644
--- 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
OpenPOWER on IntegriCloud