diff options
Diffstat (limited to 'doc/user')
-rw-r--r-- | doc/user/msg.t | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/doc/user/msg.t b/doc/user/msg.t index f58d677150..eb3cb3561a 100644 --- a/doc/user/msg.t +++ b/doc/user/msg.t @@ -50,7 +50,10 @@ wait for a message to arrive at a queue. Also, a task may poll a queue for the arrival of a message. The maximum length message which can be sent is set -on a per message queue basis. +on a per message queue basis. The message content must be copied in general +to/from an internal buffer of the message queue or directly to a peer in +certain cases. This copy operation is performed with interrupts disabled. So +it is advisable to keep the messages as short as possible. @subsection Building a Message Queue Attribute Set |