From: Corey Minyard <corey@minyard.net>
Date: Wed, 19 Mar 2025 01:41:42 +0000 (-0500)
Subject: ipmi: Add a note about the pretimeout callback
X-Git-Url: https://www.infradead.org/git/?a=commitdiff_plain;h=5017b1b02640234b08ad38a046043f143670dea2;p=users%2Fwilly%2Fxarray.git

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 2f74dd90c271..27cd5980bb27 100644
--- 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);