dtrace: define DTRACE_PROBE_ENABLED to 0 when !CONFIG_DTRACE

Right now there is no definition for this at all, breaking kernel
compilation.

Signed-off-by: Nick Alcock <nick.alcock@oracle.com>
Reviewed-by: Nicolas Droux <nicolas.droux@oracle.com>
Orabug: 26145788

diff --git a/include/linux/sdt.h b/include/linux/sdt.h
index 51b9405d69e3609a65dabeade04aaaad0b14f525..bab41ce09951a71a78dbf6d896682d38180ecd0d 100644 (file)
--- a/include/linux/sdt.h
+++ b/include/linux/sdt.h
@@ -86,6 +86,7 @@ typedef struct sdt_probedesc {
 #define        DTRACE_PROBE(name, ...)                                         \
        __DTRACE_DOUBLE_APPLY_NOCOMMA(__DTRACE_NONE, __DTRACE_NONE, ## __VA_ARGS__)     \
        do { } while (0)
+#define        DTRACE_PROBE_ENABLED(name) 0
 #define DTRACE_PROBE_TRACEPOINT(name, ...)
 #define DTRACE_PROTO_TRACEPOINT(name, ...)