tracing: Restore accidentally removed SPDX tag

Restore the SPDX tag that was accidentally dropped.

Fixes: 7e4b6c94300e3 ("tracing: add more symbols to whitelist")
Reported-by: Nathan Chancellor <nathan@kernel.org>
Cc: Arnd Bergmann <arnd@kernel.org>
Cc: Vincent Donnefort <vdonnefort@google.com>
Cc: Steven Rostedt <rostedt@goodmis.org>
Reviewed-by: Steven Rostedt (Google) <rostedt@goodmis.org>
Link: https://patch.msgid.link/20260317194252.1890568-1-maz@kernel.org
Signed-off-by: Marc Zyngier <maz@kernel.org>

diff --git a/kernel/trace/Makefile b/kernel/trace/Makefile
index 26f3d61e900d13491818a5fb9194d38e37a4738b..c5e14ffd36ee2263c915aa66150c8a41ccc33288 100644 (file)
--- a/kernel/trace/Makefile
+++ b/kernel/trace/Makefile
@@ -1,4 +1,4 @@
-
+# SPDX-License-Identifier: GPL-2.0
 
 # Do not instrument the tracer itself: