X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/316670eb35587141e969394ae8537d66b9211e80..a1c7dba18ef36983396c282fe85292db066e39db:/iokit/Kernel/IOKitDebug.cpp

diff --git a/iokit/Kernel/IOKitDebug.cpp b/iokit/Kernel/IOKitDebug.cpp
index c170d83a6..2560a0687 100644
--- a/iokit/Kernel/IOKitDebug.cpp
+++ b/iokit/Kernel/IOKitDebug.cpp
@@ -46,7 +46,13 @@
 SInt64		gIOKitDebug = DEBUG_INIT_VALUE;
 SInt64		gIOKitTrace = 0;
 
-SYSCTL_QUAD(_debug, OID_AUTO, iokit, CTLFLAG_RW | CTLFLAG_LOCKED, &gIOKitDebug, "boot_arg io");
+#if DEVELOPMENT || DEBUG
+#define IODEBUG_CTLFLAGS	CTLFLAG_RW
+#else
+#define IODEBUG_CTLFLAGS	CTLFLAG_RD
+#endif
+
+SYSCTL_QUAD(_debug, OID_AUTO, iokit, IODEBUG_CTLFLAGS | CTLFLAG_LOCKED, &gIOKitDebug, "boot_arg io");
 SYSCTL_QUAD(_debug, OID_AUTO, iotrace, CTLFLAG_RW | CTLFLAG_LOCKED, &gIOKitTrace, "trace io");