1 files changed, 15 insertions, 1 deletions

diff --git a/kernel/trace/trace.c b/kernel/trace/trace.c
index 05431696b10c..eb228b9de170 100644
--- a/kernel/trace/trace.c
+++ b/kernel/trace/trace.c
@@ -1975,7 +1975,21 @@ void trace_printk_init_buffers(void)
         if (alloc_percpu_trace_buffer())
                 return;
 
-        pr_info("ftrace: Allocated trace_printk buffers\n");
+        /* trace_printk() is for debug use only. Don't use it in production. */
+
+        pr_warning("\n**********************************************************\n");
+        pr_warning("**   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **\n");
+        pr_warning("**                                                      **\n");
+        pr_warning("** trace_printk() being used. Allocating extra memory.  **\n");
+        pr_warning("**                                                      **\n");
+        pr_warning("** This means that this is a DEBUG kernel and it is     **\n");
+        pr_warning("** unsafe for produciton use.                           **\n");
+        pr_warning("**                                                      **\n");
+        pr_warning("** If you see this message and you are not debugging    **\n");
+        pr_warning("** the kernel, report this immediately to your vendor!  **\n");
+        pr_warning("**                                                      **\n");
+        pr_warning("**   NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE NOTICE   **\n");
+        pr_warning("**********************************************************\n");
 
         /* Expand the buffers to set size */
         tracing_update_buffers();