msrtool: Add comment with DirectIO URL to the code where it is used.
Signed-off-by: Peter Stuge <peter@stuge.se>
Acked-by: Peter Stuge <peter@stuge.se>
git-svn-id: svn://svn.coreboot.org/coreboot/trunk@4945 2b7e53f0-3cfb-0310-b3e9-8179ed1497e1
diff --git a/util/msrtool/darwin.c b/util/msrtool/darwin.c
index dc0c3d6..4d8ad2e 100644
--- a/util/msrtool/darwin.c
+++ b/util/msrtool/darwin.c
@@ -26,6 +26,10 @@
#include "msrtool.h"
+/* This Darwin support requires DirectIO, which is available at
+ * http://www.coresystems.de/en/directio
+ */
+
int darwin_probe(const struct sysdef *system)
{
#ifdef __DARWIN__