tools: ynl-gen: add regeneration comment

Add a comment on regeneration to the generated files.

The comment is placed after the YNL-GEN line[1], as to not interfere
with ynl-regen.sh's detection logic.

[1] and after the optional YNL-ARG line.

Link: https://lore.kernel.org/r/aR5m174O7pklKrMR@zx2c4.com/
Suggested-by: Jason A. Donenfeld <Jason@zx2c4.com>
Signed-off-by: Asbjørn Sloth Tønnesen <ast@fiberby.net>
Acked-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20251120174429.390574-3-ast@fiberby.net
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

41 files changed, 41 insertions, 0 deletions

diff --git a/drivers/android/binder_netlink.c b/drivers/android/binder_netlink.c
index d05397a50ca6..81e8432b5904 100644
--- a/drivers/android/binder_netlink.c
+++ b/drivers/android/binder_netlink.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/binder.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/drivers/android/binder_netlink.h b/drivers/android/binder_netlink.h
index 882c7a6b537e..57399942a5e3 100644
--- a/drivers/android/binder_netlink.h
+++ b/drivers/android/binder_netlink.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/binder.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_BINDER_GEN_H
 #define _LINUX_BINDER_GEN_H
diff --git a/drivers/dpll/dpll_nl.c b/drivers/dpll/dpll_nl.c
index 3c6d570babf8..36d11ff195df 100644
--- a/drivers/dpll/dpll_nl.c
+++ b/drivers/dpll/dpll_nl.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/dpll.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/drivers/dpll/dpll_nl.h b/drivers/dpll/dpll_nl.h
index 3da10cfe9a6e..7419679b6977 100644
--- a/drivers/dpll/dpll_nl.h
+++ b/drivers/dpll/dpll_nl.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/dpll.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_DPLL_GEN_H
 #define _LINUX_DPLL_GEN_H
diff --git a/drivers/net/ovpn/netlink-gen.c b/drivers/net/ovpn/netlink-gen.c
index 14298188c5f1..ecbe9dcf4f7d 100644
--- a/drivers/net/ovpn/netlink-gen.c
+++ b/drivers/net/ovpn/netlink-gen.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/ovpn.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/drivers/net/ovpn/netlink-gen.h b/drivers/net/ovpn/netlink-gen.h
index 220b5b2fdd4f..b2301580770f 100644
--- a/drivers/net/ovpn/netlink-gen.h
+++ b/drivers/net/ovpn/netlink-gen.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/ovpn.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_OVPN_GEN_H
 #define _LINUX_OVPN_GEN_H
diff --git a/drivers/net/team/team_nl.c b/drivers/net/team/team_nl.c
index 208424ab78f5..6db21725f9cc 100644
--- a/drivers/net/team/team_nl.c
+++ b/drivers/net/team/team_nl.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/team.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/drivers/net/team/team_nl.h b/drivers/net/team/team_nl.h
index c9ec1b22ac4d..74816b193475 100644
--- a/drivers/net/team/team_nl.h
+++ b/drivers/net/team/team_nl.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/team.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_TEAM_GEN_H
 #define _LINUX_TEAM_GEN_H
diff --git a/fs/lockd/netlink.c b/fs/lockd/netlink.c
index 6e00b02cad90..880c42b4f8c3 100644
--- a/fs/lockd/netlink.c
+++ b/fs/lockd/netlink.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/lockd.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/fs/lockd/netlink.h b/fs/lockd/netlink.h
index 1920543a7955..d8408f077dd8 100644
--- a/fs/lockd/netlink.h
+++ b/fs/lockd/netlink.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/lockd.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_LOCKD_GEN_H
 #define _LINUX_LOCKD_GEN_H
diff --git a/fs/nfsd/netlink.c b/fs/nfsd/netlink.c
index ca54aa583530..ac51a44e1065 100644
--- a/fs/nfsd/netlink.c
+++ b/fs/nfsd/netlink.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/nfsd.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/fs/nfsd/netlink.h b/fs/nfsd/netlink.h
index 8eb903f24c41..478117ff6b8c 100644
--- a/fs/nfsd/netlink.h
+++ b/fs/nfsd/netlink.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/nfsd.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_NFSD_GEN_H
 #define _LINUX_NFSD_GEN_H
diff --git a/include/uapi/linux/android/binder_netlink.h b/include/uapi/linux/android/binder_netlink.h
index b218f96d6668..bf69833c9a19 100644
--- a/include/uapi/linux/android/binder_netlink.h
+++ b/include/uapi/linux/android/binder_netlink.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/binder.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_ANDROID_BINDER_NETLINK_H
 #define _UAPI_LINUX_ANDROID_BINDER_NETLINK_H
diff --git a/include/uapi/linux/dpll.h b/include/uapi/linux/dpll.h
index 69d35570ac4f..b7ff9c44f9aa 100644
--- a/include/uapi/linux/dpll.h
+++ b/include/uapi/linux/dpll.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/dpll.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_DPLL_H
 #define _UAPI_LINUX_DPLL_H
diff --git a/include/uapi/linux/ethtool_netlink_generated.h b/include/uapi/linux/ethtool_netlink_generated.h
index b71b175df46d..556a0c834df5 100644
--- a/include/uapi/linux/ethtool_netlink_generated.h
+++ b/include/uapi/linux/ethtool_netlink_generated.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/ethtool.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_ETHTOOL_NETLINK_GENERATED_H
 #define _UAPI_LINUX_ETHTOOL_NETLINK_GENERATED_H
diff --git a/include/uapi/linux/fou.h b/include/uapi/linux/fou.h
index b5cd3e7b3775..bb6bef74d2d1 100644
--- a/include/uapi/linux/fou.h
+++ b/include/uapi/linux/fou.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/fou.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_FOU_H
 #define _UAPI_LINUX_FOU_H
diff --git a/include/uapi/linux/handshake.h b/include/uapi/linux/handshake.h
index 662e7de46c54..d7e40f594888 100644
--- a/include/uapi/linux/handshake.h
+++ b/include/uapi/linux/handshake.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/handshake.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_HANDSHAKE_H
 #define _UAPI_LINUX_HANDSHAKE_H
diff --git a/include/uapi/linux/if_team.h b/include/uapi/linux/if_team.h
index a5c06243a435..f4cd839ae725 100644
--- a/include/uapi/linux/if_team.h
+++ b/include/uapi/linux/if_team.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/team.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_IF_TEAM_H
 #define _UAPI_LINUX_IF_TEAM_H
diff --git a/include/uapi/linux/lockd_netlink.h b/include/uapi/linux/lockd_netlink.h
index 21c65aec3bc6..2d766a0fa6ea 100644
--- a/include/uapi/linux/lockd_netlink.h
+++ b/include/uapi/linux/lockd_netlink.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/lockd.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_LOCKD_NETLINK_H
 #define _UAPI_LINUX_LOCKD_NETLINK_H
diff --git a/include/uapi/linux/mptcp_pm.h b/include/uapi/linux/mptcp_pm.h
index bf44a5cf5b5a..c97d060ee90b 100644
--- a/include/uapi/linux/mptcp_pm.h
+++ b/include/uapi/linux/mptcp_pm.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/mptcp_pm.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_MPTCP_PM_H
 #define _UAPI_LINUX_MPTCP_PM_H
diff --git a/include/uapi/linux/net_shaper.h b/include/uapi/linux/net_shaper.h
index d8834b59f7d7..3dd22c2930d9 100644
--- a/include/uapi/linux/net_shaper.h
+++ b/include/uapi/linux/net_shaper.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/net_shaper.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_NET_SHAPER_H
 #define _UAPI_LINUX_NET_SHAPER_H
diff --git a/include/uapi/linux/netdev.h b/include/uapi/linux/netdev.h
index 048c8de1a130..e0b579a1df4f 100644
--- a/include/uapi/linux/netdev.h
+++ b/include/uapi/linux/netdev.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_NETDEV_H
 #define _UAPI_LINUX_NETDEV_H
diff --git a/include/uapi/linux/nfsd_netlink.h b/include/uapi/linux/nfsd_netlink.h
index 887cbd12b695..e157e2009ea8 100644
--- a/include/uapi/linux/nfsd_netlink.h
+++ b/include/uapi/linux/nfsd_netlink.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/nfsd.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_NFSD_NETLINK_H
 #define _UAPI_LINUX_NFSD_NETLINK_H
diff --git a/include/uapi/linux/ovpn.h b/include/uapi/linux/ovpn.h
index 680d1522dc87..959b41def61f 100644
--- a/include/uapi/linux/ovpn.h
+++ b/include/uapi/linux/ovpn.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/ovpn.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_OVPN_H
 #define _UAPI_LINUX_OVPN_H
diff --git a/include/uapi/linux/psp.h b/include/uapi/linux/psp.h
index d8449c043ba1..a3a336488dc3 100644
--- a/include/uapi/linux/psp.h
+++ b/include/uapi/linux/psp.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/psp.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_PSP_H
 #define _UAPI_LINUX_PSP_H
diff --git a/net/core/netdev-genl-gen.c b/net/core/netdev-genl-gen.c
index ff20435c45d2..ba673e81716f 100644
--- a/net/core/netdev-genl-gen.c
+++ b/net/core/netdev-genl-gen.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/core/netdev-genl-gen.h b/net/core/netdev-genl-gen.h
index cf3fad74511f..cffc08517a41 100644
--- a/net/core/netdev-genl-gen.h
+++ b/net/core/netdev-genl-gen.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_NETDEV_GEN_H
 #define _LINUX_NETDEV_GEN_H
diff --git a/net/devlink/netlink_gen.c b/net/devlink/netlink_gen.c
index 580985025f49..f4c61c2b4f22 100644
--- a/net/devlink/netlink_gen.c
+++ b/net/devlink/netlink_gen.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/devlink.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/devlink/netlink_gen.h b/net/devlink/netlink_gen.h
index 09cc6f264ccf..2817d53a0eba 100644
--- a/net/devlink/netlink_gen.h
+++ b/net/devlink/netlink_gen.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/devlink.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_DEVLINK_GEN_H
 #define _LINUX_DEVLINK_GEN_H
diff --git a/net/handshake/genl.c b/net/handshake/genl.c
index f55d14d7b726..870612609491 100644
--- a/net/handshake/genl.c
+++ b/net/handshake/genl.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/handshake.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/handshake/genl.h b/net/handshake/genl.h
index ae72a596f6cc..8d3e18672daf 100644
--- a/net/handshake/genl.h
+++ b/net/handshake/genl.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/handshake.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_HANDSHAKE_GEN_H
 #define _LINUX_HANDSHAKE_GEN_H
diff --git a/net/ipv4/fou_nl.c b/net/ipv4/fou_nl.c
index 506260b4a4dc..7a99639204b1 100644
--- a/net/ipv4/fou_nl.c
+++ b/net/ipv4/fou_nl.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/fou.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/ipv4/fou_nl.h b/net/ipv4/fou_nl.h
index 63a6c4ed803d..438342dc8507 100644
--- a/net/ipv4/fou_nl.h
+++ b/net/ipv4/fou_nl.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/fou.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_FOU_GEN_H
 #define _LINUX_FOU_GEN_H
diff --git a/net/mptcp/mptcp_pm_gen.c b/net/mptcp/mptcp_pm_gen.c
index dcffd847af33..c180930a8e0e 100644
--- a/net/mptcp/mptcp_pm_gen.c
+++ b/net/mptcp/mptcp_pm_gen.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/mptcp_pm.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/mptcp/mptcp_pm_gen.h b/net/mptcp/mptcp_pm_gen.h
index e24258f6f819..b9280bcb43f5 100644
--- a/net/mptcp/mptcp_pm_gen.h
+++ b/net/mptcp/mptcp_pm_gen.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/mptcp_pm.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_MPTCP_PM_GEN_H
 #define _LINUX_MPTCP_PM_GEN_H
diff --git a/net/psp/psp-nl-gen.c b/net/psp/psp-nl-gen.c
index 73f8b06d66f0..22a48d0fa378 100644
--- a/net/psp/psp-nl-gen.c
+++ b/net/psp/psp-nl-gen.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/psp.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/psp/psp-nl-gen.h b/net/psp/psp-nl-gen.h
index 5bc3b5d5a53e..599c5f1c82f2 100644
--- a/net/psp/psp-nl-gen.h
+++ b/net/psp/psp-nl-gen.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/psp.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_PSP_GEN_H
 #define _LINUX_PSP_GEN_H
diff --git a/net/shaper/shaper_nl_gen.c b/net/shaper/shaper_nl_gen.c
index 204c8ae8c7b1..e8cccc4c1180 100644
--- a/net/shaper/shaper_nl_gen.c
+++ b/net/shaper/shaper_nl_gen.c
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/net_shaper.yaml */
 /* YNL-GEN kernel source */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #include <net/netlink.h>
 #include <net/genetlink.h>
diff --git a/net/shaper/shaper_nl_gen.h b/net/shaper/shaper_nl_gen.h
index cb7f9026fc23..ec41c90431a4 100644
--- a/net/shaper/shaper_nl_gen.h
+++ b/net/shaper/shaper_nl_gen.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/net_shaper.yaml */
 /* YNL-GEN kernel header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _LINUX_NET_SHAPER_GEN_H
 #define _LINUX_NET_SHAPER_GEN_H
diff --git a/tools/include/uapi/linux/netdev.h b/tools/include/uapi/linux/netdev.h
index 048c8de1a130..e0b579a1df4f 100644
--- a/tools/include/uapi/linux/netdev.h
+++ b/tools/include/uapi/linux/netdev.h
@@ -2,6 +2,7 @@
 /* Do not edit directly, auto-generated from: */
 /*	Documentation/netlink/specs/netdev.yaml */
 /* YNL-GEN uapi header */
+/* To regenerate run: tools/net/ynl/ynl-regen.sh */
 
 #ifndef _UAPI_LINUX_NETDEV_H
 #define _UAPI_LINUX_NETDEV_H
diff --git a/tools/net/ynl/pyynl/ynl_gen_c.py b/tools/net/ynl/pyynl/ynl_gen_c.py
index 0dd589e502cb..b517d0c605ad 100755
--- a/tools/net/ynl/pyynl/ynl_gen_c.py
+++ b/tools/net/ynl/pyynl/ynl_gen_c.py
@@ -3442,6 +3442,7 @@ def main():
         if args.fn_prefix:
             line += f' --function-prefix {args.fn_prefix}'
         cw.p(f'/* YNL-ARG{line} */')
+    cw.p('/* To regenerate run: tools/net/ynl/ynl-regen.sh */')
     cw.nl()
 
     if args.mode == 'uapi':