taint: add reminder about updating docs and scripts

Sometimes people update taint-related pieces of the kernel without
updating the supporting documentation or scripts.  Add a reminder to do
this.

Link: https://lkml.kernel.org/r/20251015221626.1126156-1-rdunlap@infradead.org
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Suggested-by: Jason Gunthorpe <jgg@nvidia.com>
Reviewed-by: Jason Gunthorpe <jgg@nvidia.com>
Cc: David Gow <davidgow@google.com>
Cc: Jonathan Corbet <corbet@lwn.net>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>

diff --git a/kernel/panic.c b/kernel/panic.c
index 24cc3eec1805fec400f8639bda3ebeacda24e0ac..ec59cade1f83f7786dba924c5ed97ec3154cf3fd 100644 (file)
--- a/kernel/panic.c
+++ b/kernel/panic.c
@@ -638,6 +638,12 @@ EXPORT_SYMBOL(panic);
 /*
  * TAINT_FORCED_RMMOD could be a per-module flag but the module
  * is being removed anyway.
+ *
+ * NOTE: if you modify the taint_flags or TAINT_FLAGS_COUNT,
+ * please also modify tools/debugging/kernel-chktaint and
+ * Documentation/admin-guide/tainted-kernels.rst, including its
+ * small shell script that prints the TAINT_FLAGS_COUNT bits of
+ * /proc/sys/kernel/tainted.
  */
 const struct taint_flag taint_flags[TAINT_FLAGS_COUNT] = {
        TAINT_FLAG(PROPRIETARY_MODULE,          'P', 'G', true),