ipmi: Add a note about the pretimeout callback

You can't do IPMI calls from the callback, it's called with locks
held.

Signed-off-by: Corey Minyard <cminyard@mvista.com>

diff --git a/include/linux/ipmi.h b/include/linux/ipmi.h
index 2f74dd90c271f3ecbd94e892a10d4ddc9f9b0868..27cd5980bb27d90cec54e89745fe08058de83caf 100644 (file)
--- a/include/linux/ipmi.h
+++ b/include/linux/ipmi.h
@@ -93,7 +93,8 @@ struct ipmi_user_hndl {
 
        /*
         * Called when the interface detects a watchdog pre-timeout.  If
-        * this is NULL, it will be ignored for the user.
+        * this is NULL, it will be ignored for the user.  Note that you
+        * can't do any IPMI calls from here, it's called with locks held.
         */
        void (*ipmi_watchdog_pretimeout)(void *handler_data);